US Pat. No. 9,419,341

RF SYSTEM-IN-PACKAGE WITH QUASI-COAXIAL COPLANAR WAVEGUIDE TRANSITION

Peraso Technologies Inc.,...

1. An apparatus comprising:
an integrated circuit (IC) package comprising:
an IC die disposed at a first surface of a substrate, the IC die comprising radio frequency (RF) circuitry; and
the substrate, wherein the substrate comprises:
a signal via extending between first and second metal layers of the substrate;
the first metal layer proximate to the first surface and comprising a first coplanar waveguide, the first coplanar waveguide
having a first signal line coupling a bump of the IC die to the signal via and having a first ground plane co-planar with
the first signal line;

the second metal layer proximate to a second surface of the substrate and comprising a second coplanar waveguide, the second
coplanar waveguide having a second signal line coupling the signal via to a launcher element and having a second ground plane
co-planar with the second signal line;

a waveguide channel aperture comprising a first region surrounding the launcher element, the first region substantially devoid
of conductive material;

a via fence comprising metal vias disposed at a perimeter of the first region and extending between the first ground plane
and the second ground plane;

a third metal layer disposed between the first metal layer and the second metal layer, the third metal layer comprising a
second waveguide channel aperture comprising a second region aligned with the first region, the second region being substantially
devoid of conductive material; and

wherein the third metal layer implements signal line routing for circuit components of the IC package.

US Pat. No. 9,425,842

METHOD, SYSTEM AND APPARATUS FOR AUTOMATIC GAIN CONTROL IN DIRECT-CONVERSION RECEIVER

PERASO TECHNOLOGIES INC.,...

1. An automatic gain control system for a wireless receiver, comprising:
a coarse amplification subsystem configured to receive a carrier-modulated signal from an antenna and amplify the carrier-modulated
signal;

a demodulator connected to the coarse amplification subsystem and configured to generate a baseband signal from the amplified
carrier-modulated signal;

a fine amplification subsystem connected to the demodulator and configured to amplify the baseband signal;
a controller connected to the coarse amplification subsystem and the fine amplification subsystem, the controller configured
to:

obtain a unified gain value for controlling the coarse amplification subsystem and the fine amplification subsystem;
based on the unified gain value, select (i) one of a plurality of coarse gain values defining a set of coarse gain steps each
spanning a plurality of unified gain steps, and (ii) one of a plurality of fine gain values defining a set of fine gain steps
each spanning a single unified gain step; and

set (i) the gain of the coarse amplification subsystem to the selected coarse gain value, and (ii) the gain of the fine amplification
subsystem to the selected fine gain value.

US Pat. No. 9,178,260

DUAL-TAPERED MICROSTRIP-TO-WAVEGUIDE TRANSITION

Peraso Technologies Inc.,...

1. An antenna apparatus comprising:
a substrate comprising:
a first metal layer proximate to a first surface of the substrate;
a second metal layer proximate to a second surface of the substrate opposite the first surface, wherein the second metal layer
comprises a ground plane;

a dielectric layer disposed between the first and second metal layers; and
a microstrip-to-waveguide transition comprising:
a microstrip feedline disposed at the first metal layer and extending along a centerline between a first terminal point and
a second terminal point, the microstrip feedline comprising a microstrip element and a probe element;

the microstrip element comprising:
a connection segment to provide a circuit connection point, the connection segment extending from the first terminal point
to a second point relative to the centerline and having a first width;

a taper segment extending from the second point to a third point relative to the centerline, the taper segment tapering from
the first width at the first point to a second width at the second point, the second width greater than the first width; and

a first continuous-width segment extending from the third point to a fourth point relative to the centerline, the continuous-width
segment having the second width; and

the probe element extending from the fourth point to the second terminal point, the probe element having a third width at
the fourth point, the third width less than the second width;

a first waveguide opening comprising a first region extending from the fourth point and surrounding the probe element, the
first region being substantially devoid of conductive material; and

a plurality of metal vias disposed at the perimeter of the first waveguide opening and extending from the first metal layer
to the second metal layer.

US Pat. No. 9,520,635

RF SYSTEM-IN-PACKAGE WITH MICROSTRIP-TO-WAVEGUIDE TRANSITION

PERASO TECHNOLOGIES INC.,...

1. An apparatus comprising:
an integrated circuit (IC) package comprising:
a substrate comprising a first metal layer proximate to a first surface of the substrate, a second metal layer proximate to
a second surface of the substrate opposite the first surface, and a dielectric layer disposed between the first and second
metal layers;

an IC die disposed at the first surface of the substrate, the IC die comprising radio frequency (RF) circuitry;
the first metal layer comprising:
a first microstrip feedline proximate to the first surface of the substrate and extending from a first pin of the IC die,
the first microstrip feedline comprising a first conductive trace having a first probe element at a tip distal from the first
pin; and

a first waveguide opening comprising a first region surrounding the first probe element, the first region being substantially
devoid of conductive material;

the second metal layer comprising a ground plane proximate to the second surface of the substrate and disposed in a plane
parallel to the first metal layer and separated from the first metal layer in a first direction; and

the substrate further comprising a first plurality of metal vias disposed at the perimeter of the first region and extending
from the first metal layer to the ground plane; and

a waveguide interface assembly disposed adjacent to the first surface of the substrate, the waveguide interface assembly comprising:
an internal cavity in which the IC package is disposed; and
a waveguide channel extending from the internal cavity to an external surface of the waveguide interface assembly, the waveguide
channel having an opening to the internal cavity that is aligned with the first waveguide opening and proximate to the first
metal layer, wherein the waveguide channel has a proximal end proximate to the first microstrip feedline and has a distal
end that extends in a second direction opposite the first direction.

US Pat. No. 9,577,340

WAVEGUIDE ADAPTER PLATE TO FACILITATE ACCURATE ALIGNMENT OF SECTIONED WAVEGUIDE CHANNEL IN MICROWAVE ANTENNA ASSEMBLY

PERASO TECHNOLOGIES INC.,...

1. An antenna apparatus comprising:
a waveguide adapter plate comprising a metal plate comprising:
a first surface and an opposing second surface; and
a waveguide flange interface comprising:
a first waveguide channel section extending from the first surface to the second surface; and
a first set of flange mounting holes extending from the first surface to the second surface;
an integrated circuit (IC) package mounted at the second surface of the waveguide adapter plate, the IC package having a third
surface facing the second surface and an opposing fourth surface, the IC package further comprising:

a second set of flange mounting holes extending from the third surface to the fourth surface and compatible with the first
set of flange mounting holes;

a first metal layer proximate to the third surface, the first metal layer comprising a launcher element and a co-planar first
ground plane;

a second metal layer proximate to the fourth surface, the second metal layer comprising a second ground plane;
a waveguide channel aperture comprising a first region surrounding the launcher element, the first region being substantially
devoid of conductive material; and

a via fence comprising metal vias disposed at a perimeter of the first region and extending from the first ground plane to
the second ground plane;

an antenna flange mounted at the first surface of the waveguide adapter plate, the antenna flange comprising a fifth surface
facing the first surface and an opposing sixth surface, the antenna flange further comprising:

a second waveguide channel section extending from the fifth surface; and
a third set of flange mounting holes extending from the fifth surface to the sixth surface and compatible with the first and
second sets of flange mounting holes; and

a set of bolts, each bolt extending from the fourth surface to the sixth surface via corresponding flange mounting holes in
each of the first, second, and third sets of flange mounting holes; and

wherein the waveguide channel aperture, the first waveguide channel section, and second waveguide channel section are aligned
through the alignment of the first, second, a third sets of flange mounting holes by the set of bolts.

US Pat. No. 9,756,123

GROUP OWNER RENEGOTIATION IN A WIRELESS NETWORK

PERASO TECHNOLOGIES INC.,...

1. A method, in a first wireless device acting as an incumbent group owner in a wireless peer-to-peer network, comprising:
receiving a first group ownership suitability indicator from a second wireless device acting as a prospective group owner
for the wireless peer-to-peer network, the first group ownership suitability indicator indicative of a suitability of the
second wireless device to serve as a group owner and representative of a relative suitability of the second wireless device
for group ownership on the basis of at least one of: an ability to support beamforming among multiple wireless devices; a
type of power source; and a likelihood of the second wireless device remaining stationary; and

negotiating group ownership with the second wireless device based on the first group ownership suitability indicator.

US Pat. No. 9,660,679

METHOD, SYSTEM AND APPARATUS FOR AUTOMATIC GAIN CONTROL IN DIRECT-CONVERSION RECEIVER

PERASO TECHNOLOGIES INC.,...

1. A wireless receiver, comprising:
a coarse amplification subsystem configured to receive a carrier-modulated signal from an antenna and amplify the carrier-modulated
signal;

a demodulator connected to the coarse amplification subsystem and configured to generate a baseband signal from the amplified
carrier-modulated signal;

a fine amplification subsystem connected to the demodulator and configured to amplify the baseband signal;
an offset compensation subsystem including at least one digital-to-analog converter (DAC) connected to at least one of a demodulator
output and a fine amplification subsystem output;

a memory storing a set of feed-forward offset compensation control values; and
a controller connected to the coarse amplification subsystem, the fine amplification subsystem, the offset compensation subsystem
and the memory, the controller configured to:

obtain a coarse gain value for controlling the coarse amplification subsystem, and a fine gain value for controlling the fine
amplification subsystem;

based on the coarse gain value, retrieve an offset control value from the set of feed-forward offset compensation control
values in the memory;

control the at least one DAC based on the retrieved offset control value; and
control the coarse amplification subsystem and the fine amplification subsystem based on the coarse gain value and the fine
gain value.

US Pat. No. 9,515,385

COPLANAR WAVEGUIDE IMPLEMENTING LAUNCHER AND WAVEGUIDE CHANNEL SECTION IN IC PACKAGE SUBSTRATE

PERASO TECHNOLOGIES INC.,...

1. A coplanar waveguide (CPW) apparatus comprising:
a substrate having a first surface and an opposing second surface, the substrate comprising:
a first metal layer proximate to the first surface, the first metal layer comprising:
a first conductive trace comprising a first signal line coupled to a launcher element at a first end of the first signal line;
and

a first ground plane co-planar with the first conductive trace, the first ground plane defining a substantially rectangular
first region surrounding the launcher element and a second region surrounding the first signal line, the first and second
regions substantially devoid of conductive material;

wherein the launcher element has a substantially rectangular shape with a width greater than a width of the signal line at
the first end; and

wherein the first ground plane comprises corrugations at one or more edges that define the first region surrounding the launcher
element.

US Pat. No. 9,257,735

RECONFIGURABLE WAVEGUIDE INTERFACE ASSEMBLY FOR TRANSMIT AND RECEIVE ORIENTATIONS

Peraso Technologies Inc.,...

1. An antenna apparatus comprising:
a metal lower assembly and a metal upper assembly, the lower and upper assemblies together forming a cavity to contain a radio
frequency (RF) circuit device;

the upper assembly comprising a waveguide flange interface disposed at an external surface of the upper assembly, the waveguide
flange interface comprising a waveguide channel extending from the external surface to an internal surface that forms a surface
of the cavity, an internal opening of the waveguide channel at the internal surface being substantially centered with a first
centerline of the upper assembly parallel with the external surface and offset from a second centerline of the upper assembly
parallel with the external surface, the second centerline perpendicular to the first centerline, wherein the upper assembly
is removably attachable to the lower assembly in either of a first orientation or a second orientation relative to the lower
assembly, the second orientation representing a 180 degree rotation of the upper assembly relative to the first orientation;
and

the RF circuit device disposed in the cavity, the RF circuit device comprising:
a substrate comprising a first microstrip feedline and a second microstrip feedline disposed at a first metal layer, the first
microstrip feedline having a first probe element at a first region of the first metal layer, and the second microstrip feedline
having a second probe element at a second region of the first metal layer;

wherein the internal opening of the waveguide channel is aligned with the first region when the upper assembly is attached
to the lower assembly in the first orientation; and

wherein the internal opening of the waveguide channel is aliened with the second region when the upper assembly is attached
to the lower assembly in the second orientation.

US Pat. No. 9,961,774

WIRELESS COMMUNICATIONS ASSEMBLY

PERASO TECHNOLOGIES INC.,...

1. A wireless communication assembly, comprising:a first support member having an outer surface; the first support member defining a first mounting surface opposite the outer surface, the first mounting surface including a first pair of electrical contacts;
a baseband processor surface-mounted to the outer surface;
a radio processor connected to the baseband processor and surface-mounted to the outer surface;
the first support member having a first pair of electrical connections extending from the outer surface through the first support member to the mounting surface, to electrically connect the radio processor and the first pair of electrical contacts; and
a second support member carrying an antenna and defining a second mounting surface on an opposite side of the second support member from the antenna, the second mounting surface including a second pair of electrical contacts; the second support member having a second pair of electrical connections between the antenna and the second pair of electrical contacts;
the second mounting surface configured to engage with the first mounting surface to rigidly couple the first and second support members and to bring the first pair of electrical contacts into contact with the second pair of electrical contacts for electrically connecting the radio processor and the antenna via the first and second pairs of electrical connections.

US Pat. No. 10,135,550

WIRELESS TRANSMITTER CALIBRATION

PERASO TECHNOLOGIES INC.,...

1. A device comprising:a transmitter antenna;
a receiver antenna;
a circuit including a transmit path and a receive path, the transmit path to communicate transmit signals to the transmitter antenna for wireless transmission, the receiver antenna to receive wireless signals and provide the wireless signals to the receive path; and
a controller to provide a calibration signal to the transmit path and obtain from the receive path a loopback signal caused by wireless reception of the calibration signal by the receiver antenna, wherein the calibration signal includes a two-tone signal, the controller further to determine a third-order intermodulation distortion product in the loopback signal and reference a comparison of the third-order intermodulation distortion product to the two-tone signal to calibrate the transmit path.

US Pat. No. 10,110,273

INTERFERENCE MITIGATION IN WIRELESS COMMUNICATION SYSTEMS

PERASO TECHNOLOGIES INC.,...

1. A method in a wireless communication assembly, comprising:in a memory, storing respective configuration parameter sets for each of a plurality of predefined spectral masks; the plurality of spectral masks including:
a single channel spectral mask corresponding to a base channel bandwidth, the single channel spectral mask defining target power levels for each of (i) a base in-band bandwidth, (ii) a plurality of base transition bandwidths, and (iii) a base floor bandwidth; and
a bonded channel spectral mask corresponding to a multiple of the base channel bandwidth, the bonded channel spectral mask defining target power levels for each of (i) a bonded in-band bandwidth equivalent to a sum of the base in-band bandwidth and the base channel bandwidth, (ii) a plurality of bonded transition bandwidths each equivalent to the multiple of the base transition bandwidths; and (iii) a bonded floor bandwidth equivalent to the multiple of the base floor bandwidth;
at a radio controller, selecting a subset of a plurality of predefined channels each having the base channel bandwidth, for use in transmitting data to a recipient station;
at the radio controller, retrieving a selected one of the configuration parameter sets based on a number of adjacent channels in the subset;
applying the selected configuration parameter set to the data prior to transmitting the data to the recipient station over the subset of predefined channels;
at the radio controller, identifying a set of client devices and assessing the capabilities of each receiving device in the set to determine whether the set of client devices includes a combination of non-legacy client devices and legacy client devices; and
at the radio controller, when the set of client devices includes a combination of non-legacy client devices and legacy client devices, selecting a subset of at least two channels from the predefined channels;
wherein the transmitting comprises encoding the data across the at least two channels for the non-legacy client devices, and encoding (i) the data in a single one of the at least two channels and (ii) whitespace in the others of the at least two channels for the legacy client devices.

US Pat. No. 10,716,117

METHOD, SYSTEM AND APPARATUS FOR SIGNALING STATION CAPABILITIES TO ESTABLISH WIRELESS CONNECTIONS

PERASO TECHNOLOGIES INC.,...

1. A method in a first wireless station of establishing a connection with a second wireless station, comprising:generating a frame including a capabilities element having:
a capabilities element length field appended to a capabilities identifier field, the capabilities element length field containing an element length value indicating the length of the capabilities element;
a core capabilities field having a fixed length, the core capabilities field appended after the capabilities element length field and containing a predefined sequence of core subfields having respective predefined lengths; the core subfields containing respective first core values defining core capabilities of the first wireless station; and
at least one extended capability field having a variable length, the at least one extended capability field containing:
an extended capability identifier subfield containing an identifier of one of a plurality of predefined extended capabilities;
an extended capability length subfield containing an extended capability length value; and
an extended capability payload subfield having a length equal to the extended capability length value; the payload subfield containing a first extended value defining an extended capability of the first wireless station; and
responsive to generating the frame, transmitting the frame.

US Pat. No. 10,171,183

METHOD AND SYSTEM FOR INTERFERENCE MITIGATION IN WIRELESS COMMUNICATIONS ASSEMBLIES

PERASO TECHNOLOGIES INC.,...

1. A method in a wireless communications assembly having an antenna, a transceiver and a baseband processor, comprising:at the transceiver:
receiving, from the antenna, a modulated carrier signal having a carrier frequency and containing payload data;
demodulating the carrier signal to extract a baseband signal having a baseband frequency and containing the payload data;
generating from the baseband signal, at a converter, a digital baseband signal containing the payload data;
at an encoder:
receiving the digital baseband signal from the converter;
generating an encoded digital baseband signal encoding the payload data for transmission at an operating frequency; the encoded digital baseband signal having at least a threshold proportion of signal level transitions that, when transmitted at the operating frequency, have transition frequencies outside a predefined restricted frequency band; and
transmitting the encoded digital baseband signal to the baseband processor via an interface at the operating frequency.

US Pat. No. 10,483,621

ANTENNA AND WIRELESS COMMUNICATIONS ASSEMBLY

PERASO TECHNOLOGIES INC.,...

1. An antenna assembly, comprising:a support member having (i) a first surface, (ii) an opposing second surface configured to couple the antenna assembly to an antenna assembly support member, and (iii) a set of electrical contacts;
an antenna carried on the first surface of the support member and electrically connected to the set of electrical contacts, the antenna including (i) a powered element and (ii) a parasitic element;
a conductive inner ring element carried on the first surface and surrounding the antenna; and
a dielectric outer ring element mounted on the first surface and surrounding the conductive inner ring; wherein the dielectric outer ring has an inside perimeter that surrounds an outside perimeter of the conductive inner ring element.

US Pat. No. 10,236,964

METHOD AND APPARATUS FOR BEAMFORMING TRAINING IN BASIC SERVICE SET DISCOVERY

PERASO TECHNOLOGIES INC.,...

1. A method in a wireless communications assembly of a first wireless communication device for establishing communications with a second wireless communication device in a wireless network, comprising:transmitting, during a beacon transmission interval of a beacon interval, beacon data from the first wireless communication device, the beacon data comprising: beacon data parameters for operation of a basic service set: and beamforming data that includes receive beamforming training fields; and
beamforming with the second wireless communication device.

US Pat. No. 10,505,276

WIRELESS COMMUNICATIONS ASSEMBLY WITH INTEGRATED ACTIVE PHASED-ARRAY ANTENNA

PERASO TECHNOLOGIES INC.,...

1. A wireless communications assembly, comprising:a primary support member defining a primary mounting surface; the primary mounting surface having a first set of electrical contacts and a second set of electrical contacts;
an antenna supported on the primary support member adjacent to a perimeter of the primary mounting surface;
a set of primary feed lines defined by the primary support member between the second set of electrical contacts and the antenna;
a secondary support member carrying a radio controller and defining a secondary mounting surface; the secondary mounting surface having a third set of electrical contacts and a set of ports adjacent to a perimeter of the secondary mounting surface;
a set of signal paths defined by the secondary support member between the third set of electrical contacts and the radio controller;
a set of secondary feed lines defined by the secondary support member between the radio controller and the set of ports;
the secondary mounting surface configured to engage with the primary mounting surface to connect the first set of electrical contacts with the third set of electrical contacts, and the second set of electrical contacts with the set of ports.

US Pat. No. 10,243,635

METHOD AND APPARATUS FOR BEAMFORMING TRAINING USING FRAMES

PERASO TECHNOLOGIES INC.,...

1. A method in a wireless communication assembly of a first wireless communication device configured to perform a beamforming refinement procedure with a second wireless communication device, the method comprising:generating, at a controller of the first wireless communication device, a frame comprising: header data and beamforming data,
the beamforming data organized into one or more units of beamforming training (TRN) fields,
the header data comprising: a first number (“P”) of a first type of TRN fields in each of the one or more units of the beamforming data, the first type of TRN fields to be transmitted using same antenna settings used for the header data; a second number (“M”) of a second type of TRN fields in each of the one or more units of the beamforming data, the second type of TRN fields to be transmitted using different antenna settings than used for the header data; and a third number (“N”) of the second type of TRN fields organized into a respective group of the second type of TRN fields in each of the one or more units that are to be consecutively transmitted using same respective antenna settings, the respective antenna settings changing with each successive group of the third number (“N”) of the second type of TRN fields;
the beamforming data further comprising: the one or more units of the TRN fields as defined by the first number, the second number and the third number; and the first number of the first type of TRN fields further appended to a last unit; and
transmitting, using a radio of the first wireless communication device, the frame to the second wireless communication device.

US Pat. No. 10,637,157

ANTENNA ARRAYS WITH COMMON PHASE CENTERS

PERASO TECHNOLOGIES INC.,...

1. An antenna assembly, comprising:a support member having opposing first and second sides;
an input electrical contact and an output electrical contact;
a first array of transmission patch elements, each transmission patch element of the first array supported at a predefined distance from a central location on the first side and connected to the input electrical contact, the first array configured to receive an input signal via the input electrical contact and generate outbound radiation according to the input signal; and
a second array of reception patch elements distinct from the first array, each reception patch element of the second array being supported at the predefined distance from the central location on the first side and connected to the output electrical contact, the second array configured to receive inbound radiation and generate an output signal at the output electrical contact according to the inbound radiation;
the first array and the second array having a common phase center at the central location.

US Pat. No. 10,461,413

ENCLOSURE FOR MILLIMETER-WAVE ANTENNA SYSTEM

PERASO TECHNOLOGIES INC.,...

1. An antenna system, comprising:a support member having a mounting surface;
a plurality of electronic components supported on the mounting surface;
an antenna supported on the support member adjacent to a perimeter of the mounting surface, for transmitting and receiving ultra-high frequency radio waves of wavelength ?; and
an enclosure having a top portion and a bottom portion for enclosing the support member and a radome for enclosing the antenna, wherein a center of curvature of the radome is positioned less than 1?, from an end of the antenna elements for minimizing the area illuminated by the antenna and minimizing secondary out-of-phase radiation sources, and wherein the radome has a thickness of approximately ?/5 and the radome has a radius of less than 1?, for minimizing ripples in the antenna radiation pattern and power losses.

US Pat. No. 10,396,470

WIRELESS SYSTEM ARCHITECTURE WITH DEPENDENT SUPERSTRATE FOR MILLIMETER-WAVE PHASED-ARRAY ANTENNAS

Peraso Technologies Inc.,...

1. A wireless communications assembly, comprising:a primary board including:
(i) an upper surface bearing a radio controller, and defining a set of control contacts for connection to respective ports of the radio controller;
(ii) a lower surface opposite the upper surface, the lower surface defining a plurality of antenna contacts;
(iii) a plurality of conduits extending through the primary board from the antenna contacts to the control contacts; and
(iv) an antenna ground plane;
a superstrate board including:
(i) an inner surface facing the lower surface of the primary board;
(ii) an outer surface opposite the inner surface;
(iii) a phased array of antenna elements disposed on one of the inner surface and the outer surface; and
a surface-mount package between the lower surface and the inner surface for connecting a subset of the antenna contacts to the antenna elements and to provide a substrate between the antenna elements and the antenna ground layer.

US Pat. No. 10,153,548

WIRELESS COMMUNICATIONS ASSEMBLY WITH INTEGRATED ACTIVE PHASED-ARRAY ANTENNA

PERASO TECHNOLOGIES INC.,...

1. A wireless communications assembly, comprising:a primary support member defining a primary mounting surface; the primary mounting surface having a first set of electrical contacts and a second set of electrical contacts;
a baseband controller supported on the primary support member;
an antenna supported on the primary support member adjacent to a perimeter of the primary mounting surface;
a set of primary signal paths defined by the primary support member between the baseband controller and the first set of electrical contacts;
a set of primary feed lines defined by the primary support member between the second set of electrical contacts and the antenna;
a secondary support member carrying a radio controller and defining a secondary mounting surface; the secondary mounting surface having a third set of electrical contacts and a set of ports adjacent to a perimeter of the secondary mounting surface;
a set of secondary signal paths defined by the secondary support member between the third set of electrical contacts and the radio controller;
a set of secondary feed lines defined by the secondary support member between the radio controller and the set of ports;
the secondary mounting surface configured to engage with the primary mounting surface to connect the first set of electrical contacts with the third set of electrical contacts, and the second set of electrical contacts with the set of ports.

US Pat. No. 10,630,359

METHOD AND APPARATUS FOR BEAMFORMING TRAINING USING FRAMES

PERASO TECHNOLOGIES INC.,...

1. A method in a wireless communication assembly of a first wireless communication device configured to negotiate a beamforming refinement procedure with a second wireless communication device, the method comprising:transmitting, from the first wireless communication device to the second wireless communication device, values representing one or more of transmit capabilities and receive capabilities of the first wireless communication device when exchanging beamforming data with the second wireless communication device, wherein the values comprise two or more of:
a first number (“P”) of a first type of beamforming training (TRN) fields to be used in each of one or more units of the beamforming data, the first type of TRN fields to be transmitted using same antenna settings used for header data of the beamforming data;
a second number (“M”) of a second type of TRN fields to be used in each of the one or more units of the beamforming data, the second type of TRN fields to be transmitted using different antenna settings than used for the header data; and
a third number (“N”) of the second type of TRN fields organized into a respective group of the second type of TRN fields to be used in each of the one or more units that are to be consecutively transmitted using same respective antenna settings, the respective antenna settings changing with each successive group of the third number (“N”) of the second type of TRN fields; and
 performing, between the first wireless communication device and the second wireless communication device, beamforming training based on the values.

US Pat. No. 10,498,419

METHOD AND APPARATUS FOR DETERMINING DIRECTION FOR TRANSMISSION TO ESTABLISH WIRELESS CONNECTIONS

PERASO TECHNOLOGIES INC.,...

1. A method in a wireless communications assembly of a first station having a plurality of antennas and configured to perform a beamforming procedure with a second station, the method comprising:controlling the plurality of antennas to simultaneously transmit, using a first sector of each of the plurality of antennas, a respective first beam including first frame data containing a first beam set identifier element identifying each of the plurality of antennas and each of the first sectors;
subsequently controlling the plurality of antennas to simultaneously transmit, using a second sector of each of the plurality of antennas, a respective second beam including second frame data containing a second beam set identifier element identifying each of the plurality of antennas and each of the second sectors;
receiving, from the second station, first feedback data including one of the first beam set identifier element and the second beam set identifier element;
based on the first feedback data, controlling the plurality of antennas to simultaneously transmit, using a third sector of each of the plurality of antennas, a respective third beam including third frame data containing a third beam set identifier element identifying each of the plurality of antennas and each of the third sectors;
based on the first feedback data, subsequently controlling the plurality of antennas to simultaneously transmit, using a fourth sector of each of the plurality of antennas, a respective fourth beam including fourth frame data containing a fourth beam set identifier element identifying each of the plurality of antennas and each of the fourth sectors; and
receiving, from the second station, second feedback data including one of the third beam set identifier element and the fourth beam set identifier element.

US Pat. No. 10,735,133

METHOD AND APPARATUS FOR CONFIGURABLE MIMO PROCESSING IN WIRELESS COMMUNICATIONS

PERASO TECHNOLOGIES INC.,...

1. A method in a transmitter station, comprising:generating payload data for transmission to a receiver station via a plurality of antennae of the transmitter station;
selecting a number of transmit streams for transmission of the payload data;
selecting respective modulation schemes for each of the transmit streams;
according to the modulation schemes and to an active one of (i) a single-encoder mode and (ii) a per-stream encoding mode, generating the number of coded, modulated transmit streams by, when the active one of the single-encoder mode and the per-stream encoding mode is per-stream encoding mode:
providing the payload data to a stream parser for generation of the number of un-coded transmit streams;
providing the un-coded transmit streams to respective encoders for generation of the number of coded transmit streams; and
providing the coded transmit streams to respective modulators for generation of the coded, modulated transmit streams;
wherein each coded, modulated transmit stream contains a portion of the payload data; and
providing the coded, modulated transmit streams to respective ones of the antennae for transmission to the receiver station.