US Pat. No. 10,771,302

CHANNEL PROBING SIGNAL FOR A BROADBAND COMMUNICATION SYSTEM

Neo Wireless LLC, Wayne,...

1. A communication method for a mobile device in an Orthogonal Frequency Division Multiplexing (OFDM) communication system, the method comprising:receiving a request for a probing signal from a base station in the system; and
transmitting, in response to the received request, the probing signal with a code sequence modulated in the frequency domain, wherein:
the probing signal is configured to overlap, in the time domain, with uplink signals transmitted over an uplink frequency band by other mobile devices in the system; and
the probing signal is configured to occupy a portion of spectrum in the uplink frequency band not designated for transmission of uplink control signals in the system.

US Pat. No. 11,032,801

METHODS AND APPARATUS FOR MULTI-CARRIER COMMUNICATION SYSTEMS WITH ADAPTIVE TRANSMISSION AND FEEDBACK

NEO WIRELESS LLC, Wayne,...

1. A mobile station served by a base station using Orthogonal Frequency Division Multiplexing (OFDM) and utilizing time slots in a time domain and subchannels in a frequency domain, the mobile station comprising:a transmitter; and
a receiver configured to:
receive a control message from the base station over at least one control channel; and
receive and process a forward link transmission based on the control message in one of the time slots, wherein the forward link transmission includes pilots;
wherein the control message includes: information indicating subcarriers for the forward link transmission, spatial information for the forward link transmission, pilot information for the forward link transmission, and information indicating a modulation and coding scheme used for the forward link transmission, and further wherein the pilot information indicates a number of symbols used for the pilots and a location of the pilots in time and frequency.

US Pat. No. 10,958,398

METHOD AND SYSTEM FOR MULTI-CARRIER PACKET COMMUNICATION WITH REDUCED OVERHEAD

NEO WIRELESS LLC, Wayne,...

17. A base station comprising:a transmitter configured to transmit to a mobile station a resource assignment message, the resource assignment message indicating one resource zone of a plurality of resource zones and assigned resources within the one resource zone, and the resource assignment message further indicating an index of a modulation and coding scheme (MCS), wherein the one resource zone is defined by a bandwidth that is less than an entire bandwidth of a cell; and
the transmitter configured to transmit to the mobile station an orthogonal frequency division multiplex (OFDM) signal in the assigned resources within the one resource zone and process the OFDM signal using the MCS.

US Pat. No. 10,965,512

METHOD AND APPARATUS USING CELL-SPECIFIC AND COMMON PILOT SUBCARRIERS IN MULTI-CARRIER, MULTI CELL WIRELESS COMMUNICATION NETWORKS

NEO WIRELESS LLC, Wayne,...

1. An orthogonal frequency division multiple access (OFDMA)-compatible base station that uses subcarriers in a frequency domain and time slots in a time domain, the OFDMA-compatible base station comprising:a plurality of antennas; and
a transmitter operably coupled to the plurality of antennas;
the transmitter configured to:
insert first pilots of a first type onto a first plurality of subcarriers, wherein the first pilots are cell-specific pilots; and
insert data and second pilots of a second type onto a second plurality of subcarriers;
wherein at least some subcarriers of the first plurality of subcarriers or the second plurality of subcarriers are beam-formed; and
the plurality of antennas configured to transmit the first plurality of subcarriers and the second plurality of subcarriers in at least one of the time slots;
wherein the second type is different than the first type and wherein the first pilots do not interfere with the second pilots.

US Pat. No. 10,834,706

METHODS AND APPARATUS FOR MULTI-CARRIER COMMUNICATION SYSTEMS WITH ADAPTIVE TRANSMISSION AND FEEDBACK

NEO WIRELESS LLC, Wayne,...

1. A mobile station served by a serving base station using Orthogonal Frequency Division Multiplexing (OFDM) and utilizing time slots in a time domain and subchannels in a frequency domain, the mobile station comprising:a transmitter; and
a receiver configured to:
receive control messages from the serving base station over at least one control channel,
wherein:
each of the control messages comprises transmission parameters specific to the mobile station for a subsequent transmission by the serving base station over a subchannel to the mobile station in at least one time slot; and
the transmission parameters of the control messages indicate antenna transmission schemes and subchannel configurations, at least one of the control messages indicating an antenna transmission scheme selected from at least a transmission diversity scheme and a multiple-input multiple-output (MIMO) scheme and at least one of the control messages indicating a subchannel configuration; and
receive subsequent transmissions by the serving base station based on the transmission parameters in the control messages.

US Pat. No. 10,826,740

CHANNEL PROBING SIGNAL FOR A BROADBAND COMMUNICATION SYSTEM

NEO WIRELESS LLC, Wayne,...

1. A base station comprising:a receiver configured to:
receive, from a mobile station, a first uplink signal within a frequency band, wherein the first uplink signal is an orthogonal frequency division multiplexing (OFDM) signal and utilizes a frame format comprising a plurality of timeslots, each timeslot comprising a plurality of OFDM symbols;
receive, from the mobile station, a random access signal followed by a guard period in only a portion of the frequency band, wherein the random access signal includes a sequence associated with the base station, wherein a time duration of a combination of the random access signal and the guard period is greater than a time duration of at least one of the plurality of OFDM symbols; and
a transmitter configured to transmit, to the mobile station in response to the received random access signal, a response message.

US Pat. No. 10,931,469

METHODS AND APPARATUS FOR CELLULAR BROADCASTING AND COMMUNICATION SYSTEM

Neo Wireless LLC, Wayne,...

1. A method performed by a mobile device in an orthogonal frequency division multiple access (OFDMA) system, the method comprising: receiving, in a first radio-frequency (RF) band, first scheduling information from a serving base station, the first scheduling information indicating an allocation of airlink resources in the first RF band, wherein the first RF band spans a first plurality of subchannels; receiving, in a second radio-frequency (RF) band, second scheduling information from the serving base station, the second scheduling information indicating an allocation of airlink resources in the second RF band, wherein the second RF band spans a second plurality of subchannels, wherein the first RF band and second RF band are different RF bands; and receiving a first signal on the allocated airlink resources in the first RF band and a second signal on the allocated airlink resources in the second RF band during a common time period, each of the first signal and second signal carrying data, wherein a same type of frame structure is used for receiving the first signal and the second signal, wherein the same type of frame structure spans a plurality of subframes.

US Pat. No. 10,833,908

CHANNEL PROBING SIGNAL FOR A BROADBAND COMMUNICATION SYSTEM

NEO WIRELESS LLC, Wayne,...

1. A mobile station comprising:a transmitter configured to:
transmit, to a base station, a first uplink signal within a frequency band, wherein the first uplink signal is an orthogonal frequency division multiplexing (OFDM) signal and utilizes a frame format comprising a plurality of timeslots, each timeslot comprising a plurality of OFDM symbols;
transmit, to the base station, a random access signal followed by a guard period in only a portion of the frequency band, wherein the random access signal includes a sequence associated with the base station, wherein a time duration of a combination of the random access signal and the guard period is greater than a time duration of at least one of the plurality of OFDM symbols; and
a receiver configured to receive, from the base station, a response message.