1
Jay R Walton, Mark Wallace, John W Ketchum, Steven J Howard: Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information. Qualcomm Incorporated, Philip Wadsworth, Thien T Nguyen, Thomas R Rouse, August 31, 2004: US06785341 (276 worldwide citation)

Techniques to “successively” process received signals at a receiver unit in a MIMO system to recover transmitted data, and to “adaptively” process data at a transmitter unit based on channel state information available for the MIMO channel. A successive cancellation receiver processing technique is ...


2
Jay Rod Walton, John W Ketchum, Mark Wallace, Irina Medvedev: Resource allocation for MIMO-OFDM communication systems. Qualcomm Incorporated, Dmitry R Milikovsky, Sandip S, Philip Wadsworth, March 28, 2006: US07020110 (234 worldwide citation)

Techniques to schedule terminals for data transmission on the downlink and/or uplink in a MIMO-OFDM system based on the spatial and/or frequency “signatures” of the terminals. A scheduler forms one or more sets of terminals for possible (downlink or uplink) data transmission for each of a number of ...


3
Fuyun Ling, Jay R Walton, Steven J Howard, Mark Wallace, John W Ketchum: Method and apparatus for utilizing channel state information in a wireless communication system. Qualcomm Incorporated, Philip Wadsworth, Thien T Nguyen, Thomas R Rouse, August 3, 2004: US06771706 (222 worldwide citation)

Techniques for transmitting data from a transmitter unit to a receiver unit in a multiple-input multiple-output (MIMO) communication system. In one method, at the receiver unit, a number of signals are received via a number of receive antennas, with the received signal from each receive antenna comp ...


4
Jay R Walton, John W Ketchum: Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission. Qualcomm Incorporated, Philip Wadsworth, Thien T Nguyen, Thomas R Rouse, June 15, 2004: US06751187 (203 worldwide citation)

Techniques to select transmission channels for use for data transmission and to process and transmit data over the selected transmission channels. Transmission channels available for use are segregated into one or more groups, with each group including any number of channels. With selective channel ...


5
Jay R Walton, John W Ketchum: Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion. QUALCOMM Incorporated, Dmitry R Milikovsky, Sandip, Philip R Wadsworth, July 4, 2006: US07072413 (172 worldwide citation)

Techniques to process data for transmission over multiple transmission channels. The available transmission channels are segregated into one or more groups, and the channels in each group are selected for use for data transmission. Data for each group is coded and modulated based on a particular cod ...


6
Bjorn A Bjerke, John W Ketchum, Jay R Walton: Iterative detection and decoding for a MIMO-OFDM system. Qualcomm Incorporated, Philip R Wadsworth, Sandip, Dmitry R Milikovsky, December 26, 2006: US07154936 (163 worldwide citation)

Techniques to iteratively detect and decode data transmitted in a wireless (e.g., MIMO-OFDM) communication system. The iterative detection and decoding is performed by iteratively passing soft (multi-bit) “a priori” information between a detector and a decoder. The detector receives modulation symbo ...


7
John W Ketchum, Mark Wallace, Steven J Howard, Jay Rod Walton: Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems. Qualcomm Incorporated, Philip Wadsworth, Thien T Nguyen, Kent D Baker, July 6, 2004: US06760388 (158 worldwide citation)

Techniques for processing a data transmission at the transmitter and receiver. In an aspect, a time-domain implementation is provided which uses frequency-domain singular value decomposition and “water-pouring” results to derive time-domain pulse-shaping and beam-steering solutions at the transmitte ...


8
J Rodney Walton, John W Ketchum, Mark S Wallace, Steven J Howard: Transmit diversity processing for a multi-antenna communication system. QUALCOMM Incorporated, Dmitry Milikovsky, Sandip S, Philip Wadsworth, February 21, 2006: US07002900 (149 worldwide citation)

For transmit diversity in a multi-antenna OFDM system, a transmitter encodes, interleaves, and symbol maps traffic data to obtain data symbols. The transmitter processes each pair of data symbols to obtain two pairs of transmit symbols for transmission from a pair of antennas either (1) in two OFDM ...


9
Fuyun Ling, Jay R Walton, Steven J Howard, Mark Wallace, John W Ketchum: Method and apparatus for utilizing channel state information in a wireless communication system. Qualcomm Incorporated, Dmitry Milikovsky, Micky Minhas, February 28, 2006: US07006848 (140 worldwide citation)

Techniques for transmitting data from a transmitter unit to a receiver unit in a multiple-input multiple-output (MIMO) communication system. In one method, at the receiver unit, a number of signals are received via a number of receive antennas, with the received signal from each receive antenna comp ...


10
Jay R Walton Jr, John W Ketchum: Power control in a CDMA network. GTE Laboratories Incorporated, Leonard Charles Suchyta, April 15, 1997: US05621723 (140 worldwide citation)

A means of power control on the reverse link of a CDMA network is disclosed. Specifically, the forward link from the base station to the subscriber unit is used to direct the subscriber unit to modify the output power radiated. The forward link consists of the forward packet data channel and the for ...