US Pat. No. 9,667,301

TRANSCEIVER FOR HETEROGENEOUS WLAN

Quantenna Communications ...

1. A wireless access point (WAP) apparatus supporting wireless communications with associated stations on a selected communication
channel of a wireless local area network (WLAN); and the WAP apparatus comprising:
a plurality of shared and discrete components coupled to one another to form a plurality of transmit and receive chains each
coupled to a corresponding one of the plurality of RF communication ports for orthogonal frequency division multiplexed (OFDM)
multiple-input multiple-output (MIMO) WLAN communications with the associated stations;

the plurality of radio frequency “RF” communication ports each configured to mechanically couple to any one of: a coaxial
cable direct connected to one of the associated stations, a coaxial cable direct connected to a remote antenna, and an antenna;
to allow on premises installation of the WAP apparatus with a customized mix of wired and wireless communication medium coupled
to the plurality of RF communication ports;

a port evaluator coupled to each of the plurality of RF communication ports to evaluate the selected communication channel
on each of the RF communication ports with respect to each of the associated stations; and

a port correlator coupled to the plurality of components and the port evaluator and configured to correlate each of the associated
stations with a corresponding subset of the RF communication ports supporting optimal communications therewith based on the
evaluation by the port evaluator.

US Pat. No. 9,071,299

HDTV COMPATIBLE PRECODING FOR MULTI-USER MIMO IN A WIRELESS HOME NETWORK

Quantenna Communications ...

1. A wireless access point (WAP) apparatus having a plurality of antennas and supporting multiple-input multiple-output (MIMO)
wireless communications with associated station nodes on a selected one of a plurality of orthogonal frequency division multiplexed
(OFDM) communication channels; and the wireless access point apparatus comprising:
a station grouping module for selecting at least two of the associated station nodes for concurrent multi-user (MU) MIMO communication
links with the WAP and for retrieving ‘sounding’ packets therefrom which characterize the associated communication channels
there between;

a precode selector for determining whether an aggregate number of receive antennas on the at least two station nodes selected
by the grouping module exceeds in number the plurality of antenna on the WAP;

a post-equalization precoder responsive to an affirmative determination by the precode selector to determine the inner products
of the associated communication channels using the sounding packets and to perform a similarity transform of the inner products
using ‘Q’ as a transform matrix where ‘Q’ block diagonalizes the associated communication channels; and

a spatial mapper for precoding all concurrent transmissions to the selected at least two station nodes using “Q” as a precode
matrix; thereby enhancing the communication capabilities of the WAP.

US Pat. No. 9,088,962

WAP SUPPORTING COMPLEMENTARY SUBNETS IN A WLAN

Quantenna Communications ...

1. A wireless communication apparatus for providing a wireless local area network (WLAN) to a plurality of wireless stations;
and the wireless communication apparatus comprising:
a wireless access point (WAP) having:
a plurality of antenna;
a plurality of shared and discrete components coupled to one another to form transmit and receive chains each coupled to a
corresponding one of the plurality of antenna for orthogonal frequency division multiplexed (OFDM) multiple-input multiple-output
(MIMO) WLAN communications with the plurality of wireless stations;

a subnet controller coupled to the plurality of shared and discrete components and configured to generate at least two subnets
each associated with corresponding ones of the plurality of wireless stations and for each subnet a discrete communication
bandwidth including a beacon channel for wireless station association and communication together with a discrete medium access
control (MAC) for collision sense multiple access (CSMA) uplinks from each of the plurality of stations to the WAP, and concurrent
downlinks of discrete communications from the WAP to a selected one of the plurality of stations associated with a first of
the at least two subnets and to a selected other of the plurality of stations associated with a second of the at least two
subnets, thereby improving downlink performance of the WAP; and

a station set identifier coupled to the subnet controller and configured to identify an association of each of the plurality
of stations with a corresponding one of the at least two subnets, by ranking estimated concurrent downlink airtime requirements
of various combinations of each of the plurality of stations and station bandwidths for each of the at least two subnets based
on an estimated communication demand and throughput capability at various bandwidths of each of the plurality of stations.

US Pat. No. 9,071,972

ASYNCHRONOUS TIERED ACCESS CONTROL TO A WIRELESS HOME NETWORK

Quantenna Communications ...

1. An asynchronous access controller apparatus for managing wireless local area networks (WLANs), the asynchronous access
controller apparatus comprising:
a subscriber profiler configured to aggregate both information about subscribers together with information about each associated
WLAN supporting wireless communications between a wireless access point (WAP) node and associated station nodes on a selected
one of a plurality of communication channels across an available spectrum;

a piracy detector configured to detect whether wireless communications usage of at least one of the WLANs exceeds at least
one parameter specified in a service level agreement (SLA) with the associated subscriber; and

a password injector controller configured to inject a new network access password into one or more of the nodes of the at
least one of the WLANs responsive to an affirmative determination by the piracy detector; whereby subsequent network access
is selectively revoked on the at least one of the WLANs in a manner which returns communications usage thereon into conformance
with the SLA for the associated subscriber.

US Pat. No. 9,078,142

METHOD AND APPARATUS TO DECOUPLE LINK ADAPTATION AND TRANSMIT BEAMFORMING IN WIFI SYSTEMS

Quantenna Communications ...

1. A link optimizer apparatus for optimizing a link on a wireless local area network (WLAN), supporting wireless communications
between a multiple-input multiple-output (MIMO) wireless access point (WAP) node and associated MIMO station nodes on a selected
one of a plurality of communication channels; and the link optimizer apparatus comprising:
a processor and a memory configured to provide computer program instructions to the processor;
a sounding distender module configured to send from a transmitting one of the nodes to a receiving one of the nodes at least
one sounding packet assembled to sound a communication channel link there between exclusively at a maximum number of streams
and at a maximum bandwidth supported by the nodes; and further configured to receive in response from the receiving one of
the nodes a MIMO feedback beamforming matrix or equivalent indicia characterizing the communication channel there between
and exhibiting a number of rows corresponding to a number of antennas on the transmitting one of the nodes and a number of
columns corresponding to a maximum number of streams mutually supported by the transmitting and receiving one of the nodes;

a beamform matrix derivation module configured to derive from the received MIMO feedback beamforming matrix a set of derived
MIMO beamforming matrices having at least a column dimension less than a column dimension in the feedback beamforming matrix;
and

a link dimension attenuator module configured to select at least one of the derived beamforming matrices from the beamform
matrix derivation module for transmission of subsequent communication packets from the MIMO transmitter one of the nodes to
the recipient one of the nodes, thereby avoiding a requirement for additional channel sounding at either a number of streams
or a bandwidth associated with the transmission of subsequent communication packets.

US Pat. No. 9,231,671

METHOD AND APPARATUS FOR LINK OPTIMIZATION IN A WI-FI HOME NETWORK

Quantenna Communications ...

1. A link optimizer apparatus for optimizing a link on a wireless local area network (WLAN), supporting wireless communications
between a wireless access point (WAP) node and associated station nodes on a selected one of a plurality of communication
channels; and the link optimizer apparatus comprising:
a beamform matrix generator configured to generate discrete candidate beamforming matrices for spatially modulating successive
communication packets from a multiple-input multiple-output (MIMO) capable transmitter one of the WAP and station nodes that
supports beamforming to a recipient one of the WAP and station nodes that does not support beamforming;

a beamform evaluator configured to evaluate discrete ones among the set of candidate beam forming matrices generated by the
beamform matrix generator based on a comparison of relative percentages of “ACK” receipt acknowledgements from the recipient
one of the WAP and station nodes for each successive communication packet transmitted with each candidate beam forming matrix
from the MIMO capable transmitter one of the WAP and station nodes; and to utilize a successfully evaluated one of the candidate
beam forming matrices for transmission of subsequent communication packets from the MIMO transmitter one of the nodes to the
recipient one of the nodes, thereby avoiding a requirement for either link calibration or a channel matrix or a beamforming
matrix from the recipient node.

US Pat. No. 9,252,990

MIMO SPHERE DECODER WITH LINEAR STARTUP IN A WIRELESS LOCAL AREA NETWORK

Quantenna Communications ...

1. A wireless device with multiple antennae and configured to support orthogonal frequency-division multiplexed (OFDM) multiple-input
multiple-output (MIMO) communications of a wireless local area network (WLAN) over a wireless communication medium on a communication
channel; and the wireless device comprising:
a MIMO demapper configured to receive a packet on the communication channel and to perform both linear together with non-linear
decoding processes based on an initial communication channel estimate ‘H’, and with initial linear decoding of at least a
first received symbol in a payload portion of the received packet followed by decoding of remaining symbols in the packet
using non-linear sphere decoding, and the MIMO demapper having:

a linear decoder configured to perform both a non-iterative initial weight determination and a linear equalization for at
least the first received symbol in the payload portion of the received packet using the initial weight determination; and

a non-linear sphere decoder configured to perform a non-iterative decomposition of the initial channel estimate ‘H’ into unitary
and upper right triangular matrices ‘Q’ ‘R’ respectively during at least a portion of a time interval associated with linear
decoding of at least the first received payload symbol, followed by an iterative maximum likelihood search decoding of each
remaining received symbol in the payload portion of the packet using the initial “QR” decomposition, thereby extending a time
interval available for an initial channel estimate decomposition portion of non-linear sphere decoding to span at least a
portion of an interval associated with linear decoding of at least the first received payload symbol.

US Pat. No. 9,107,090

METHOD AND APPARATUS FOR CORRELATING WIRELESS LOCAL AREA NETWORK COMMUNICATION PARAMETERS WITH SUBSCRIBER STRUCTURE

Quantenna Communications,...

1. A structural correlation manager apparatus for managing a wireless local area network (WLAN), supporting wireless communications
between a wireless access point (WAP) node and associated station nodes on a selected one of a plurality of communication
channels across an available spectrum; and the structural correlation manager apparatus comprising:
a structural identifier configured to identify an architectural structure surrounding the WLAN by extracting scattering profiles
from multiple-input multiple-output (MIMO) beamforming matrices between the WAP node and each associated station node, and
extrapolating the surrounding structure from the scattering profiles; and

a correlator configured to correlate the architectural structure surrounding the nodes and the communication parameters utilized
by the nodes to maximize wireless communications within the structure and minimize wireless communications outside the structure.

US Pat. No. 9,717,014

CROSS-NETWORK TRAFFIC MANAGEMENT OF NEIGHBORING WLANS

Quantenna Communications,...

1. A traffic management system for managing communication traffic on wireless local area networks (WLAN)s each including a
wireless access point (WAP) supporting wireless communications with associated stations on a selected one of a plurality of
communication channels, and the traffic management system comprising:
a traffic aggregator to aggregate traffic management parameters from neighboring ones of the WLANs which share the selected
communication channel with one another and to determine if available airtime for communication traffic on the neighboring
ones of the WLANs falls below a threshold level;

a traffic prioritizer coupled to the traffic aggregator and responsive to a determination by the traffic aggregator of available
airtime below the threshold level, to prioritize communication traffic on the neighboring ones of the WLANs using the aggregated
traffic management parameters; thereby avoiding impediments to high priority communication traffic on a one of the neighboring
networks resulting from a lack of prioritization coordination with an other of the neighboring networks.

US Pat. No. 9,332,554

WIRELESS HOME NETWORK SUPPORTING DISCRETE CONCURRENT COMMUNICATION LINKS

Quantenna Communications,...

1. A wireless apparatus node supporting wireless communications with associated wireless device nodes on a selected one of
a plurality of orthogonal frequency division multiplexed (OFDM) communication channels of a wireless local area network (WLAN);
and the wireless apparatus comprising:
a local link, prober configured to probe at least one target node of the associated wireless device nodes for channel information
characterizing a communication channel for a local link therewith;

a remote link prober configured to probe at least one pair of device nodes on the WLAN other than the at least one target
node for cross-channel information characterizing communication channels between the wireless apparatus and each node of the
at least one pair of device nodes capable of forming a remote link; and the remote link prober further configured to probe
the at least one pair of device nodes utilizing reverse channel estimates for selected ones of the at least one pair that
do not support explicit channel sounding;

a cross-link interference estimator configured to estimate interference signal levels at each node of the at least one pair
of device nodes resulting from a communication over the local link; and

a concurrent access controller responsive to a determination of an active communication on the remote link to allow a concurrent
communication on the local link when interference levels estimated by the cross-link interference estimator at each node of
the remote link fall below a threshold level; thereby increasing communication throughput on the WLAN.

US Pat. No. 9,078,153

WIRELESS LOCAL AREA NETWORK WITH SPATIAL DIAGNOSTICS

Quantenna Communications,...

1. A diagnostic system for spatial diagnosis of a wireless local area network (WLAN), and the diagnostic system comprising:
a sounding aggregator configured to aggregate multiple-input multiple-output (MIMO) channel state information (CSI) from channel
soundings of each communication link on the WLAN between a wireless access point (WAP) node thereof and associated station
nodes and to retain a history of the CSI on each link after normal use in WLAN communications, whereby the history includes
CSI from prior channel soundings of each communication link; and

a spatial correlator coupled to the sounding aggregator and configured to correlate the CSI history from each link's prior
channel soundings with spatial characteristics of the WLAN including an identification of a displacement and a change in throughput
before and after displacement of an identified one of the WLAN station nodes based on perturbations over time in the CSI history
of an associated communication link with the WAP node.

US Pat. No. 9,490,882

COMPOSITE SOUNDING FOR MIMO BEAMFORMING IN A WIRELESS HOME NETWORK

Quantenna Communications,...

1. A wireless access point (WAP) apparatus having a plurality of antennas and supporting multiple-input multiple-output (MIMO)
wireless communications with associated station nodes on a selected one of a plurality of orthogonal frequency division multiplexed
(OFDM) communication channels; and the wireless access point apparatus comprising:
a sounding mode module configured to determine whether a number of communication streams supported by the WAP matches the
number of communication streams contained in a sounding response from at least one targeted station node among the associated
station nodes, and initiating either a single sounding or a composite set of an integer “N” soundings of the communication
channel between the WAP and the at least one targeted station node based on an affirmative and a negative match determination
respectively;

a sounding matrix generator configured to generate “N” linearly independent (LI) spatial mapping matrices (SMM) each associated
with a corresponding one of the soundings in the composite set of soundings from the WAP, responsive to a negative match determination
by the sounding mode module;

a sounding aggregator configured to aggregate a plurality of partial beamforming matrices received from the at least one targeted
station node in response to the composite soundings generated by the sounding matrix generator; and

a beamforming expansion module configured to expand the plurality of partial beamforming matrices aggregated by the sounding
aggregator into a full beamforming matrix for spatially mapping downlink communications between the WAP and the at least one
targeted station node; thereby enhancing the communication capabilities of the WAP.

US Pat. No. 9,420,530

WAP WITH CONTEXT SENSITIVE ENERGY MANAGEMENT

Quantenna Communications,...

5. A method for operating a wireless access point (WAP) transceiver configured to support wireless local area network (WLAN)
communications with a plurality of station nodes on a selected communication channel including a plurality of orthogonal frequency-division
multiplexed (OFDM) sub-carriers; and the method comprising:
correlating airtime usage of the selected communication channel by the WAP with one of an idle WLAN state characterized by
an absence of upstream or downstream communications and an active WLAN state characterized by at least one of upstream and
downstream communications on the WLAN; wherein the correlating act further comprises:

correlating airtime usage history with current airtime usage to optimize a correlation between airtime usage and the active
and idle WLAN states;

allocating during at least one of the idle and the active WLAN states, a portion of available airtime to at least one dormancy
interval in which a base power level of the WAP is reduced at least below a level required to support downstream communications;
and

identifying for the plurality of station nodes on the WLAN, a contention free period overlapping in time with the at least
one dormancy interval; thereby avoiding demand for WAP communication resources during the at least one dormancy interval.

US Pat. No. 9,380,604

OPPORTUNISTIC CONCURRENCY BETWEEN WIRELESS LOCAL AREA NETWORKS

Quantenna Communications,...

1. A wireless transceiver apparatus configured to support wireless communications with associated transceiver nodes on a selected
wireless communication channel on a wireless local area network (WLAN); and the wireless transceiver apparatus comprising:
a plurality of components coupled to one another to form transmit and receive paths for processing wireless communications
on the selected wireless communication channel;

an opportunistic link controller coupled to the plurality of components and including:
a carrier sensor module configured to sense availability and unavailability of the selected wireless communication channel
based on a relationship between a sensed signal level on the selected communication channel and a clear channel assessment
(CCA) threshold level and responsive to availability of the selected communication channel, to initiate packet transmission
at a first power level from the wireless transceiver apparatus to a selected on of the associated transceiver nodes; and

a dominant link identifier module responsive to a determination of unavailability of the selected communication channel by
the carrier sensor module and configured to identify unavailability arising from transmissions on a neighboring WLAN sharing
the selected communication channel; and

a concurrent link selector module responsive to the identification of unavailability of the selected communication channel
arising from the transmissions on a neighboring WLAN identified by the dominant link identifier, and configured to select
an isolated one of the associated transceiver nodes based on a proximity of the transceiver node to the wireless transceiver
apparatus and to calculate a backoff transmit power level substantially less than the first power level for transmissions
from the wireless transceiver apparatus to the selected isolated transceiver node, which minimize interference with the transmissions
on the neighboring WLAN.

US Pat. No. 9,331,883

WIRELESS HOME NETWORK SUPPORTING CONCURRENT LINKS TO LEGACY DEVICES

Quantenna Communications,...

1. A wireless access point (WAP) apparatus having a plurality of antennas and supporting multiple-input multiple-output (MIMO)
wireless communications with associated station nodes on a selected one of a plurality of orthogonal frequency division multiplexed
(OFDM) communication channels; and the WAP apparatus comprising:
a station grouping module configured to select a group of at least two of the associated station nodes for concurrent MIMO
communication links with the WAP;

a transmit selector configured to determine whether all station nodes in the group support a multi-user (MU) protocol;
a spatial mapper including an input and an output, configured to precode concurrent transmissions to the selected group at
the input using a precode matrix “Q” which spatially separates the concurrent MIMO transmissions to each station node in the
group at the output;

an output injector coupled to the output of the spatial mapper and configured to inject preambles for synchronizing timing
of the MIMO transmissions at the output of the spatial mapper, responsive to an affirmative determination by the transmit
selector; and

an input injector coupled to the input of the spatial mapper and configured to inject preambles before precoding in the spatial
mapper, responsive to a negative determination by the transmit selector, whereby transmission preambles are precoded when
at least one station node in the group does not support the MU protocol.

US Pat. No. 9,866,308

COMPOSITE WIFI AND ACOUSTIC SPATIAL DIAGNOSTICS FOR SMART HOME MANAGEMENT

Quantenna Communications,...

1. A wireless transceiver for wireless communications on a wireless local area network (WLAN); and the wireless transceiver
comprising:
a multiple-input multiple-output (MIMO) array of antennas;
a plurality of components coupled to one another to form transmit and receive paths coupled to the array of antennas for processing
wireless communications;

an array of microphones
a composite spatial diagnostic circuit coupled to array of antennas via the plurality of components and to the array of microphones
to successively sample respectively a WiFi environment and an acoustic environment surrounding the wireless transceiver and
to determine from each set of WiFi and acoustic samples a composite spatial map of at least one of humans or wireless transceivers
within the surrounding environment; and

a rule execution circuit coupled to the composite spatial diagnostic circuit to execute an action proscribed by a selected
rule when a related portion of the composite spatial map sampled by the composite spatial diagnostic circuit exhibits a correlation
above a threshold amount with a spatial context condition associated with the selected rule.

US Pat. No. 9,647,736

COMPRESSED TRAINING FOR MASSIVE MU-MIMO IN A WIRELESS LOCAL AREA NETWORK

Quantenna Communications,...

1. A wireless access point (WAP) supporting wireless communications with associated stations on a selected communication channel;
and the WAP comprising:
a plurality of antennas;
a plurality of components coupled to one another to form a plurality of the transmit and receive paths each coupled to as
corresponding one of the plurality of antennas for multiple-input multiple-output (MIMO) communications on the selected communication
channel;

a multi-user (MU) grouping module coupled to the plurality of components to select a MU group of at least two of the associated
stations and to allocate an aggregate number of streams for transmission to the MU group;

a constrained station identifier coupled to the plurality of components to identify if any of the stations in the MU group
are constrained stations that do not support training on the aggregate number of streams allocated by the MU grouping module,
and in response to the identification of any constrained stations to further identify a limit on the number of training streams
supported by a most constrained one of the stations;

a channel sounder coupled to the plurality of components to sound the stations in the MU group for channel state information
(CSI);

a precode matrix calculator coupled to the channel sounder to calculate from the CSI obtained by the channel sounder a full
precode matrix “Q” having a column dimension equal to the aggregate number of streams allocated by the MU grouping module,
for precoding communications to the MU group;

a precode matrix compressor responsive to the identification of any constrained stations in the MU group by the constrained
station identifier, to compress the full precode matrix Q into a compressed precode matrix “C(Q)” having a column dimension
equal to the limit on the number of training streams supported by the most constrained one of the stations in the MU group
as identified by the constrained station identifier; and

a spatial mapper component of the plurality of components spatially mapping an OFDM wireless transmission of a downlink MU-MIMO
packet to the stations in the MU group, including spatially mapping the transmission of a payload portion of the MU-MIMO downlink
packet using the full precede matrix Q and spatially mapping the transmission of a training portion of the MU-MIMO downlink
packet using a selected one of the compressed precode matrix C(Q) responsive to the identification by the constrained station
identifier of a constrained station in the MU group and the full precode matrix Q absent said identification.

US Pat. No. 9,479,240

COMPOSITE BEAMFORMING TO COORDINATE CONCURRENT WLAN LINKS

Quantenna Communications,...

1. A system for coordinating a wireless local area network including a plurality of multiple-input multiple-output (MIMO)
wireless access point (WAP) nodes each supporting wireless local area network (WLAN) communications with an associated set
of station nodes on a shared orthogonal frequency-division multiplexed (OFDM) communication channel; and the system comprising:
a primary beam coordinator coupled to the plurality of WAP nodes and configured to aggregate channel state information (CSI)
for communication links and crosslinks between each WAP node and both associated and non-associated station nodes thereof
and to extrapolate therefrom spatially distinct primary beam pattern setup options to each of the plurality of WAP nodes to
enable substantially non-interfering concurrent downlink communications between each WAP node and a corresponding subset of
its associated station nodes within each associated spatially distinct primary beam; and

the plurality of WAP nodes each coupled to the primary beam coordinator and configured to select a corresponding one of the
primary beam options together with its associated station nodes as provided by the primary beam coordinator and to generate
the corresponding selected primary beam option for subsequent downlink communications to at least one of the associated subset
of station nodes; and further to generate a composite beam for each downlink including a superposition of a primary beam extrapolated
by the primary beam coordinator from relatively slow varying parameters of the aggregated CSI together with a secondary beam
generated locally by each WAP from relatively fast varying channel information derived from explicit or implicit channel soundings
between each WAP and at least one associated target station node selected by the WAP for downlink and falling within the associated
primary beam; thereby increasing a downlink throughput of the WLAN via non-interfering concurrent downlink communications
thereon.

US Pat. No. 9,635,649

METHOD AND APPARATUS FOR CHANNEL SELECTION IN A WIRELESS LOCAL AREA NETWORK

Quantenna Communications,...

1. A wireless access point (WAP) transceiver apparatus supporting wireless local area network (WLAN) communications with associated
station nodes on selected orthogonal frequency-division multiplexed (OFDM) communication channels; and the WAP transceiver
apparatus comprising:
at least one antenna;
a plurality of shared and discrete components coupled to one another to form a transmit path and a receive path coupled to
the at least one antenna and supporting wireless communications across a maximum transceiver bandwidth spanning more than
one of the communication channels including:

a tunable oscillator for adjusting a center frequency of the transceivers maximum bandwidth;
a channel evaluator coupled to the receive path components to evaluate communication channels including projecting a capacity
constraint on a selected communication channel supporting WLAN communications with the associated station nodes;

a channel segregator coupled to the transmit and receive path components and responsive to the projection of a capacity constraint
by channel evaluator to initiate a complementary operational phase by segregating the maximum bandwidth into an operational
portion supporting ongoing WLAN communications and a monitored portion limited to monitoring a backup channel as a prospective
operational communication channel, and to explore backup communications channels by incremental changes to the center frequency
of the tunable oscillator during the complementary operational phase, which expose at a leading edge of a resultant sliding
window spanning the maximum transceiver bandwidth previously un-monitored channels for monitoring as backup channels by the
channel evaluator concurrently with discarding an existing one of the operational communication channels at a trailing edge
of the sliding window and at a conclusion of the complementary phase to re-integrate in a dedicated operational phase all
segregated portions of the maximum bandwidth to exclusively support operational WLAN communications on a selected one of the
backup channel and the communication channel.

US Pat. No. 9,461,724

MATRIX PROCESSING ENGINE FOR MULTI-TONE MIMO SYSTEMS

Quantenna Communications,...

1. A wireless access point (WAP) supporting wireless communications with associated stations on a selected communication channel
of a wireless local area network (WLAN); and the WAP comprising:
a plurality of antennas;
a plurality of components coupled to one another to form a plurality of the transmit and receive paths each coupled to a corresponding
one of the plurality of antennas for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexed (OFDM)
communications on the selected communication channel;

a channel estimator coupled to the plurality of components and configured to explicitly sound each of at least two of the
associated stations targeted for a multi-user (MU)-MIMO communication link and to determine from feedback received therefrom
a channel matrix “H” to each of the targeted stations for corresponding ones of the OFDM tones;

a tone set controller coupled to the channel estimator and configured to identify sets of the selected communication channel's
OFDM tones and within each set a base and at least one neighboring tone proximate in frequency with the base tone;

a discrete at transform module configured to derive as precode matrix for each base tone from the corresponding channel matrices
for each base tone as determined by the channel estimator, for spatially mapping MU-MIMO transmissions to the at least two
stations;

a shared matrix transform module coupled to the discrete matrix transform module and configured to estimate a precode matrix
for the at least one a neighboring tone, from the corresponding channel matrices for the at least one neighboring tone and
the precede matrix for the base tone of the corresponding set of tones; thereby reducing an amount of time required for the
estimation of each neighboring tone's precode matrix by the shared matrix transform module, relative to the amount of time
required for the determination of the base tone's precode matrix by the discrete matrix transform module; and

a spatial mapper component of the plurality of components for spatially mapping the MU-MIMO OFDM wireless transmissions utilizing
the corresponding base tone precode matrix for the base tone in each set and the corresponding neighboring tone precode matrix
for the at least one neighbor tone in each set.

US Pat. No. 9,788,263

WIFI CLIENT WITH HYBRID COMMUNICATION CAPABILITIES FOR WIRELESS LOCAL AREA NETWORK

Quantenna Communications,...

3. A method for operating a hybrid wireless station on a wireless local area network (WLAN) including wireless stations associated
with a wireless access point (WAP); and the method comprising:
determining eligibility of the hybrid wireless station for one of a local mode dedicated to local communications between the
hybrid wireless station and the WAP, and a hybrid mode interlacing both the local communications together with relayed communications
between the WAP and an identified one of the associated wireless stations;

determining airtime availability on the hybrid wireless station;
sniffing uplink and downlink communication packets between the WAP and the identified one of the wireless stations, for information
as to data throughput requirements of the identified one of the wireless stations;

estimating airtime requirements of the identified one of the wireless stations based on in sniffed in the sniffing act;
identifying the associated wireless station as a relay candidate based on the airtime availability of the hybrid wireless
station and the airtime requirements of the identified one of the wireless stations; and

responsive to a determination of hybrid mode eligibility in the determining act;
interlacing both the local communications together with the relayed communications.

US Pat. No. 9,742,415

APPARATUS FOR LINEARIZING A DIFFERENTIAL CHARGE PUMP

Quantenna Communications,...

2. A charge pump comprising:
a differential charge pump having differential inputs and primary and mirror outputs, and the differential charge pump responsive
to a down signal at the differential inputs to provide a negative current at the primary output and a positive current at
the mirror output, and responsive to an up signal at the differential inputs to provide a positive current at the primary
output and a negative current at the mirror output;

an auxiliary charge pump having differential inputs and an auxiliary output coupled to the mirror output of the differential
charge pump, and responsive to the down signal at the differential inputs to provide a negative current at the auxiliary output,
and responsive to the up signal at the differential inputs to provide a positive current at the auxiliary output; and the
auxiliary charge pump including:

a positive voltage source;
a first resistor coupled to the positive voltage source;
a 1st switch switchably coupling and uncoupling the first resistor to the auxiliary output responsive to the up signal and the down
signal respectively;

a negative voltage source;
a second resistor coupled to the negative voltage source;
a 2nd switch switchably coupling and uncoupling the second resistor to the auxiliary output responsive to the down signal and the
up signal respectively.

US Pat. No. 9,756,520

WIRELESS LOCAL AREA NETWORK WITH SPATIAL DIAGNOSTICS

Quantenna Communications,...

1. A diagnostic system for spatial diagnosis of a wireless local area network (WLAN), and the diagnostic system comprising:
a sounding aggregator configured to aggregate multiple-input multiple-output (MIMO) channel state information (CSI) from channel
soundings of each communication link On the WLAN between a wireless access point (WAP) node thereof and associated station
nodes and to retain a history of the CSI on each link after normal use in WLAN communications, whereby the history includes
CSI from prior channel soundings of each communication link, and wherein the channel soundings include at least one of; an
explicit channel sounding, an implicit channel sounding and an unsolicited channel sounding; and

a spatial correlator coupled to the sounding aggregator and configured to correlate the CSI history from each link's prior
channel soundings with spatial characteristics of the WLAN including an identification of human activity relative to at least
an identified one of the station nodes based on perturbations over time in the CSI history of an associated communication
link with the WAP node.

US Pat. No. 9,686,002

MU-MIMO SNIFFER FOR A WIRELESS LOCAL AREA NETWORK

Quantenna Communications,...

1. A sniffer apparatus having a plurality of antennas and supporting multiple-input multiple-output (MIMO) reception of wireless
local area network (WLAN) communications between a wireless access point (WAP) node and associated station nodes; and the
sniffer apparatus comprising:
a packet identification module configured to identify a received WLAN communication packet as one of a single user (SU) and
a multi-user (MU) communication packet;

a channel modeler configured to model a communication channel for the received packet as one of a set of single-channel parameters
and a set of multi-channel parameters responsive to the SU and MU packet identification respectively, of the packet identification
module;

a single-channel equalization matrix calculator responsive to an SU identification of the received packet by the packet identification
module to calculate a single-channel equalization matrix for equalizing the received packet based on the set of single-channel
parameters from the channel modeler;

a multi-channel equalization matrix calculator responsive to an MU identification of the received packet by the packet identification
module to calculate a multi-channel equalization matrix based on the set of multi-channel parameters from the channel modeler;
and

an equalizer configured to equalize the received communication packet utilizing the single-channel equalization matrix responsive
to identification of an SU packet and the multi-channel equalization matrix responsive to identification of an MU packet by
the packet identification module.

US Pat. No. 9,807,635

WIRELESS LOCAL AREA NETWORK WITH SPATIAL DIAGNOSTICS

Quantenna Communications,...

1. A diagnostic system for spatial diagnosis of a wireless local area network (WLAN), and the diagnostic system comprising:
a sounding aggregator configured to aggregate multiple-input multiple-output (MIMO) channel state information (CSI) from channel
soundings of each communication link On the WLAN between a wireless access point (WAP) node thereof and associated station
nodes and to retain a history of the CSI on each link after normal use in WLAN communications, whereby the history includes
CSI from prior channel soundings of each communication link, and wherein the channel soundings include at least one of; an
explicit channel sounding, an implicit channel sounding and an unsolicited channel sounding; and

a spatial correlator coupled to the sounding aggregator and configured to correlate the CSI history from each link's prior
channel soundings with spatial characteristics of the WLAN including an identification of human activity relative to at least
an identified one of the station nodes based on perturbations over time in the CSI history of an associated communication
link with the WAP node.

US Pat. No. 9,793,965

FREQUENCY ORTHOGONALIZED MIMO CHANNEL SOUNDING AND FEEDBACK IN A WIRELESS HOME NETWORK

Quantenna Communications,...

1. A wireless access point (WAP) supporting wireless communications with associated stations on a selected orthogonal frequency
division multiplexed (OFDM) communication channel; and the WAP comprising:
a plurality of antennas;
a plurality of components coupled to one another to form a plurality of transmit and receive paths each coupled to a corresponding
one of the plurality of antennas for multiple-input multiple-output (MIMO) communications on OFDM tones of the selected communication
channel;

a sounding mode circuit designates one of a full sounding mode and a composite sounding mode for sounding at least one of
the associated stations;

a spatial mapper component spatially mapping a wireless transmission of a sounding field of a single MIMO sounding packet
with one of a full spatial mapping matrix and a set of an integer “N” partial spatial mapping matrices each spatially mapping
corresponding neighboring ones of the OFDM tones responsive respectively to the full and composite sounding mode designations
by the sounding mode circuit;

a partial sounding feedback expander circuit coupled to the plurality of components forming the receive path and in the composite
sounding mode, expanding partial sounding feedback received from the at least one station in response to the single MIMO sounding
packet, into a full sounding feedback; and

a beamforming matrix calculator coupled to the plurality of components forming the receive path and to the partial sounding
feedback expander circuit and calculating a full beamforming matrix for transmitting downlink communications to the at least
one station from the full sounding feedback provided by one of the partial sounding feedback expander circuit in the composite
sounding mode, and full sounding feedback received directly from the at least one station in the full sounding mode.

US Pat. No. 9,755,712

COMPOSITE SOUNDING FOR MIMO BEAMFORMING IN A WIRELESS HOME NETWORK

Quantenna Communications,...

1. A wireless access point (WAP) apparatus having a plurality of antennas and supporting multiple-input multiple-output (MIMO)
wireless communications with associated station nodes on a selected one of a plurality of orthogonal frequency division multiplexed
(OFDM) communication channels each including a plurality of tones; and the wireless access point apparatus comprising:
a sounding mode module configured to determine whether a number of communication streams supported by the WAP matches the
number of communication streams contained in a sounding response from at least one targeted station node among the associated
station nodes, and initiating either a single sounding or a composite set of an integer “N” soundings of the communication
channel between the WAP and the at least one targeted station node based on an affirmative and a negative match determination
respectively;

a sounding matrix generator configured to generate “N” linearly independent (LI) spatial mapping matrices (SMM) each associated
with a corresponding one of the soundings in the composite set of soundings from the WAP, together with at least one reference
SMM for spatially mapping at least one reference tone across all of the soundings in the composite set of soundings, responsive
to a negative match determination by the sounding mode module;

a sounding aggregator configured to aggregate a plurality of partial sounding feedback matrices received from the at least
one targeted station node in response to the composite soundings generated by the sounding matrix generator;

a gain normalizer to normalize the partial sounding feedback matrices aggregated by the sounding aggregator utilizing the
reference SMM; and

a beamforming expansion module configured to expand the plurality of normalized partial sounding feedback matrices normalized
by the gain normalizer into a full beamforming matrix for spatially mapping downlink communications between the WAP and the
at least one targeted station node; thereby enhancing the communication capabilities of the WAP.

US Pat. No. 9,698,878

UNSOLICITED CHANNEL SOUNDING IN A WIRELESS LOCAL AREA NETWORK

Quantenna Communications,...

1. A wireless transceiver apparatus for a wireless local area network (WLAN) supporting wireless communications of associated
wireless transceivers on a selected communication channel, and the wireless transceiver apparatus comprising:
a plurality of antenna;
a plurality of components coupled to one another to form transmit and receive chains each coupled to a corresponding one of
the plurality of antenna for multiple-input multiple-output (MIMO) wireless communications on orthogonal frequency division
multiplexed (OFDM) tones of the selected communication channel;

a sounding feedback module coupled to the plurality of components, and responsive to reception by the receive path components
of an explicit channel sounding packet from an other one of the transceivers on the WLAN to transmit a sounding feedback packet
of multiple-input multiple-output (MIMO) channel state information (CSI) derived from the explicit channel sounding packet
to the other one of the transceivers; and

a sounding feedforward module coupled to the plurality of components to monitor CSI derived from subsequent user data packets
received from the other one of the transceivers and responsive to a determination of a change above a threshold amount in
the monitored CSI relative to the CSI derived from the last explicit sounding packet to transmit to the other one of the transceivers
an indicia of the change in CSI; thereby reducing explicit sounding overhead by proactively notifying the other one of the
transceivers when a new explicit sounding is needed.

US Pat. No. 9,479,799

COMPRESSION USING AN ITERATIVE DATA DERIVED BASIS SET

Quantenna Communications,...

1. An apparatus for compressing an image; comprising:
a principal component analyzer configured to iteratively perform a Principal Component Analysis (PCA) on a selected portion
of the image, wherein each resulting orthogonal basis set has “N” basis vectors;

a matrix rank evaluator to evaluate the rank of each orthogonal basis set;
the principal component analyzer further configured to iteratively perform the PCA based on the rank of an initial orthogonal
basis set as evaluated by the matrix rank evaluator, whereby the initial orthogonal basis set exhibiting a low rank results
in a negative determination with respect to the performance of a subsequent PCA and vice versa;

a puncturer configured to puncture selected dimensional components of the orthogonal basis set resulting from each PCA of
the selected portion of the image, without removing any of the associated “N” basis vectors thereof;

a truncator configured to remove selected basis vectors of a final one of the resulting orthogonal basis sets of the principal
component analyzer, thereby forming a truncated basis set for compression of the selected portion of the image;

a projector configured to project the image onto the truncated basis set thereby obtaining coefficients of the selected portion
of the image, relative to the truncated basis set.

US Pat. No. 10,015,683

DEVICE OPTIMIZATION ACROSS WIRELESS LOCAL AREA NETWORKS

Quantenna Communications,...

1. A system for optimizing wireless communications on a plurality of wireless local area networks (WLAN)s each supporting wireless communications between a corresponding wireless access point (WAP) and associated stations; and the system comprising:a server communicatively coupled to each WAP and operable to:
aggregate information from each WAP about each communication link between the WAP and its associated stations wherein the information aggregated includes station type and communication parameters associated with transmitting and receiving each communication link;
categorize each communication link associated with the aggregated information by at least the station type associated therewith;
identify a station type as problematic for which at least one of the corresponding categorized communication links exhibits low throughput;
identify among the communication links with stations of the problematic type whether there is any relatively higher throughput communication link between one of the stations of the problematic type and its associated WAP, and if so the set of ‘optimal’ transmit and receive communication parameters therefore;
distribute the optimal set of communication parameters to WAPs associated with one or more of stations of the problematic type;
identify among the communication links with stations of the problematic type whether there is any relatively higher throughput communication link between one of the stations of the problematic type and its associated WAP, and if not then identifying mutually distinct combinations of transmit and receive communication parameters for each communication link with stations of the problematic station type; and
distribute the mutually distinct transmit and receive communication parameters to WAPs associated with one or more stations of the problematic type; to utilize the mutually distinct combinations of communication parameters in parallel on the WLANs
each WAP operable upon receipt from the server of the distributed optimal set of communication parameters to:
utilize said optimal set of communication parameters for transmitting and receiving each communication link with an associated station of the problematic type, to improve throughput of communications with stations of the problematic type on all WLANs.

US Pat. No. 9,743,333

ARBITRATION OF DISTRIBUTED SERVICES FOR WIRELESS HOME NETWORKS

Quantenna Communications,...

1. A server coupled to wireless transceivers wirelessly communicating user data on corresponding ones of a plurality of wireless
local area networks (WLAN); and the server comprising:
a memory to store executable instructions; and
a processor coupled with the memory, wherein the processor, responsive to executing the executable instructions, performs
operations comprising:

identifying wireless transceivers and access privileges requested by each of a plurality of WiFi service vendors to operational
parameters of the identified wireless transceivers which include information feeds from and control sockets to requested operational
parameters of the identified wireless transceivers;

opening a control portal between each WiFi service vendor and the identified wireless transceivers identified in the identifying
act; and

arbitrating access by each WiFi service vendor to the operational parameters of the corresponding identified wireless transceivers
including monitoring communications on the corresponding WLANs and throttling at least one of: information feeds from and
control sockets to the identified wireless transceivers when said feeds and sockets reduce WLAN user data throughput to avoid
interruption of the wireless user data communications on corresponding ones of the WLANs.

US Pat. No. 9,730,089

REMOTE CONTROLLED WIFI TRANSCEIVER FOR WIRELESS HOME NETWORKS

Quantenna Communications,...

1. A wireless transceiver apparatus configured to support wireless communications with associated transceiver nodes on at
least one selected wireless communication channel on a wireless local area network (WLAN); and the wireless transceiver apparatus
comprising:
a plurality of components coupled to one another to form transmit and receive paths for processing wireless communications
on the at least one selected wireless communication channel;

local control circuits each of which controls a distinct portion of the wireless transceiver's wireless operations via connections
to a related subset of the plurality of components;

a Remote and Local (R/L) switch fabric configured to switchably connect each of the subsets of the plurality of components
to at least one of, a related one of the local control circuits and a remote server providing remote control of a related
portion of the wireless transceiver's wireless operations, to enable a configurable mix of local and remote control sources
among the distinct portions of the wireless transceiver's wireless operations; and

a mode selection circuit coupled to the R/L switch fabric to select one of an autonomous mode and a slave mode for setup of
the R/L switch fabric, where the mix of local and remote sources are configured in the slave mode by the remote server and
in the autonomous mode by the wireless transceiver.

US Pat. No. 9,756,450

AUTOMATED SETUP OF A STATION ON A WIRELESS HOME NETWORK

Quantenna Communications,...

1. A system for automating setup of a station on one among a plurality of wireless home networks each associated with a distinct
subscriber and each including a wireless access point (WAP) node supporting wireless communications with an associated set
of station nodes on a selected one of a plurality of communication channels; and the system comprising:
a station provisioner circuit coupled to each of the WAP nodes servicing the plurality of WLANs and configured to acquire
credentials for a new station prior to delivery to an identified one of the subscribers; and to inject the acquired credentials
into a corresponding one of the WAP nodes which services the wireless home network of the identified one of the subscribers;
and

the corresponding one of the WAP nodes including:
a secure link manager circuit configured to utilize the acquired credentials from the station provisioner circuit for identification
of the new station shipped to the identified one of the subscribers; and for setup of a secure wireless communication link
between the new station and the corresponding one of the WAP nodes which services the subscriber's wireless home network,
thereby avoiding subscriber involvement in setting up the new station.

US Pat. No. 9,992,795

WAP SUPPORTING COMPLEMENTARY SUBNETS IN A WLAN

Quantenna Communications,...

4. A wireless communication apparatus for providing a wireless local area network (WLAN) to a plurality of wireless stations; and the wireless communication apparatus comprising:a wireless access point (WAP) having:
a plurality of antenna;
a plurality of shared and discrete components coupled to one another to form transmit and receive chains each coupled to a corresponding one of the plurality of antenna for orthogonal frequency division multiplexed (OFDM) multiple-input multiple-output (MIMO) WLAN communications with the plurality of wireless stations;
a station set identifier configured to identify among the plurality of stations, any legacy stations that do not support multi-user (MU) MIMO downlinks from the WAP, and to identify a number of WLAN subnets for enabling simultaneous downlinks from the WAP to the legacy stations; and the station set identifier further configured to identify the number of subnets by ranking various combinations of legacy stations and associated subnets in terms of their ability to meet an expected downlink demand of each of the legacy stations without compromising MU-MIMO downlinks to non-legacy ones of the plurality of stations; and
a subnet controller coupled to the plurality of shared and discrete components and to the station set identifier and configured to generate the number of WLAN subnets identified by the station set identifier and for each subnet a discrete beacon channel for wireless station association and communication together with a discrete medium access control (MAC) module for collision sense multiple access (CSMA) uplinks from associated ones of the plurality of stations to the WAP, and downlinks of discrete communications from the WAP including simultaneous downlinks to a selected one of the legacy stations associated with a first of the subnets and to a selected other of the legacy stations associated with a second of the subnets.

US Pat. No. 10,368,360

NETWORK EVENT BASED SECURITY AND HOME AUTOMATION

QUANTENNA COMMUNICATIONS,...

1. A wireless access point (WAP) configured to support wireless communications with wireless stations on at least one selected wireless communication channel on a wireless local area network (WLAN), and the WAP comprising:a plurality of components coupled to one another to form transmit and receive paths for processing wireless communications on the at least one selected wireless communication channel;
a non-volatile memory storing network event rules wherein one or more network event rules correspond to at least a network event to initiate an action for a targeted device;
an event detection circuit to monitor data link layer activity for each wireless station at a location of the WAP to track wireless stations that transmit at the location of the WAP, wherein a table of tags is generated to track the wireless stations, wherein the event detection circuit is to detect data link layer activity of at least one wireless station at the location of the WAP to determine whether the data link layer activity indicates a network event, and to identify the tag associated with each of the at least one wireless station of the detected data link layer activity indicating the network event; and
a rule initiation circuit to determine whether the identified wireless station and network event satisfy one of the network event rules, and in response to satisfying the network event rule, to initiate the action prescribed for the corresponding targeted device.

US Pat. No. 10,342,052

CLIENT STEERING FOR A WIRELESS LOCAL AREA NETWORK

QUANTENNA COMMUNICATIONS,...

1. A method for operating a wireless access point (WAP) selected communication channel on a wireless local area network (WLAN); and the method comprising the acts of:accumulating proximity records over multiple time periods for each station that associates with the WAP, wherein a proximity record includes proximity metrics including at least a dwell time of each station relative to the WAP;
in response to receiving an association request at a current time period from a given station:
analyzing current proximity metrics from the request with the accumulated proximity records for the given station to predict proximity states and associated connectivity options;
determining a probability for each of the predicted proximity states based on a predicted dwell time for the given station at its current proximity to the WAP in view of the analyzed proximity records associated with the given station; and
in response to a highest determined probability exceeding a threshold for the current time period, controlling the WAP to enable a communication link for the given station based on a connectivity option associated with the predicted proximity state with the highest determined probability.

US Pat. No. 10,310,082

ACOUSTIC SPATIAL DIAGNOSTICS FOR SMART HOME MANAGEMENT

QUANTENNA COMMUNICATIONS,...

1. A wireless transceiver for wireless communications on a wireless local area network (WLAN); and the wireless transceiver comprising:at least one antenna;
a plurality of components coupled to one another to form transmit and receive paths coupled to the at least one antenna for processing wireless communications;
an array of microphones;
an acoustic spatial diagnostic circuit coupled to the array of microphones to successively sample an acoustic environment surrounding the wireless transceiver and to determine from each set of acoustic samples an acoustic spatial map of at least humans within the surrounding environment; and
a rule execution circuit coupled to the acoustic spatial diagnostic circuit to execute an action proscribed by a selected rule when a related portion of the acoustic spatial map sampled by the acoustic spatial diagnostic circuit exhibits a correlation above a threshold amount with a spatial context condition associated with the selected rule.

US Pat. No. 10,340,891

DIFFERENTIAL ELLIPTIC FILTER WITH A SINGLE OP-AMP

QUANTENNA COMMUNICATIONS,...

1. A differential elliptic filter circuit comprising:a pair of differential signal inputs;
a differential amplifier including a pair of inputs and differential signal outputs;
an upper pair and a lower pair of inverting feedback paths between a corresponding one the differential signal outputs and an inverting one of the pair of inputs of the differential amplifier, configured to provide two complex conjugate poles of the elliptic filter circuit, and to establish upper and lower virtual grounds at the inputs of the differential amplifier, wherein the upper and lower pair of inverting feedback paths each comprise a capacitor coupled in parallel with series coupled resistors between the corresponding one of the differential amplifier's outputs and the corresponding one of the virtual grounds, to provide complex conjugate poles of a low pass elliptic filter circuit, and the inverting and non-inverting feedforward paths cross-coupled and configured to provide complex conjugate zeros of the low pass elliptic filter circuit;
an upper inverting feedforward path of the inverting feedforward path coupling a passive node of the upper pair of inverting feedback paths to the lower one of the virtual grounds, and a lower inverting feedforward path of the inverting feedforward path coupling a passive node of the lower pair of inverting feedback paths to the upper one of the virtual grounds, and the upper and lower inverting feedforward paths configured to provide two zeros of the elliptic filter circuit; and
an upper non-inverting feedforward path coupling an upper one of the pair of differential signal inputs to the upper one of the virtual grounds, and a lower non-inverting feedforward path coupling a lower one of the pair of differential signal inputs to the lower one of the virtual grounds, to enable positioning of the two zeros of the filter circuit on an imaginary axis of a pole-zero plot of the elliptic filter circuit.

US Pat. No. 10,321,341

CHANNEL TRACKING IN A WIRELESS HOME NETWORK

QUANTENNA COMMUNICATIONS,...

1. A wireless access point (WAP) apparatus comprising:a plurality of antenna;
a plurality of components coupled to one another to form a plurality of multiple-input multiple-output (MIMO) transmit and receive paths, wherein each of the MIMO transmit and receive paths are coupled to a corresponding one of the plurality of antenna;
wherein the WAP is configured to support wireless communications with a plurality of station nodes on a selected one of a plurality of communication channels of an associated wireless local area network (WLAN), including:
a first set of receive path components supporting at least two MIMO receive paths dedicated exclusively for MIMO reception of WLAN communications on the selected one of the plurality of communication channels;
a second set of receive path components supporting a single MIMO receive path and configured to switch the single MIMO receive path between MIMO reception of WLAN communications on the selected one of the plurality of communication channels concurrently with the at least two MIMO receive paths of the first set of receive path components, and monitoring of communications on remaining ones of the plurality of communication channels; and
a channel tracker coupled to the plurality of components;
wherein the WAP is further configured to:
determine, via the channel tracker, a target channel for a prospective channel changeover among the remaining monitored ones of the plurality of communication channels while simultaneously monitoring communications on the remaining ones of the plurality of communication channels; and
intermittently switch the single MIMO receive path without disruption of the WLAN communications between:
monitoring the remaining ones of the plurality of communication channels, and
receiving MIMO communications on the selected one of the plurality of communication channels.

US Pat. No. 10,298,299

TRANSMUTABLE MIMO WIRELESS TRANSCEIVER

QUANTENNA COMMUNICATIONS,...

1. A wireless transceiver comprising:a plurality of components coupled to one another to form N multiple-input multiple-output (MIMO) transmit and receive chains supporting wireless communications with associated stations on at least one wireless local area network (WLAN);
a bandwidth evaluation circuit to evaluate both the utilization of the at least one WLAN together with any remaining communications channels not utilized by the at least one WLAN and to determine based on the evaluation whether to operate the MIMO chains synchronously as a single radio or asynchronously as multiple radios;
a chain partitioning circuit to either partition subsets of the MIMO chains for asynchronous operation as distinct radios each supporting their own WLAN or combine all MIMO chains for synchronous operation as a single radio supporting communications on a single WLAN based on the determination by the bandwidth evaluation circuit;
a switchable radio frequency (RF) filter bank responsive to a partitioning of subsets of the chains into distinct radios by the chain partitioning circuit to switchably add RF filters to a RF portion of the transmit and receive chains to isolate the asynchronous transmit and receive communications on each radio from one another, and further responsive to a combining of all MIMO chains into a single radio by the chain partitioning circuit to remove all RF filters from the RF portion of the transmit and receive chains to allow synchronous operation thereof; and
a partitionable equalizer responsive to the partitioning of the MIMO chains by the chain partitioning circuit to equalize received communications on the chains of each radio independently from one another and further responsive to the combining of all MIMO chains to equalize received communications on all the MIMO chains of the single radio together with one another.