1
Durga Malladi
Serge Willenegger, Alkinoos Hector Vayanos, Durga P Malladi, Edward G Tiedemann Jr, Francesco Grilli, Josef Blanz: Method and apparatus for reducing interference in a wireless communication system. QUALCOMM Incorporated, Kam Tam, Abdollah Katbab, Thomas R Rouse, November 6, 2007: US07292552 (29 worldwide citation)

Method and apparatus for reducing interference in a wireless communication system when the source of interference is a deterministic component of the system. In one embodiment, the receiver weights the transmitters according to when the source of interference is transmitted. Further, the transmitter ...


2
Durga Malladi
Durga P Malladi, Alkinoos Hector Vayanos: Mitigation of link imbalance in a wireless communication system. Qualcomm Incorporated, Kent D Baker, Rupit Patel, Thomas R Rouse, April 1, 2008: US07352722 (25 worldwide citation)

Techniques to mitigate the effects of link imbalance for the uplink between a terminal (or UE) and multiple base stations (or Node Bs). In one aspect, the serving base station (i.e., the one designated to transmit packet data to the terminal) monitors the uplink received SNR for each terminal design ...


3
Durga Malladi
Durga P Malladi: Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication. Qualcomm Incorporated, Thomas R Rouse, Thien T Nguyen, George J Oehling, May 8, 2007: US07215930 (22 worldwide citation)

A method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system. A first signal is received over a first channel and a second signal is received over a second channel, where the second signal is received at a higher signal power level than said f ...


4
Durga Malladi
Da shan Shiu, Durga P Malladi, Srikrishna Bhashyam: Noise and channel estimation using low spreading factors. Qualcomm Incorporated, Thomas R Rouse, Charles D Brown, Milan I Patel, August 7, 2007: US07254170 (2 worldwide citation)

Noise measurements are made within a fraction of a single symbol period of a longest orthogonal code symbol. A control processor identifies an unoccupied code having a spreading factor that is less than a longest spreading factor for the system. A despreader measures symbol energy based on the unocc ...


5
Durga Malladi
Yongbin Wei, Durga P Malladi, Tao Chen, Edward G Tiedemann Jr: Method and apparatus for transmitting and receiving a block of data in a communication system. QUALCOMM Incorporated, Won Tae Kim, James K O Hare, Thomas R Rouse, March 10, 2009: US07502984 (1 worldwide citation)

A method and apparatus for transmitting and receiving data provide for efficient use communication resources by encoding data in accordance with a first code to produce a block of data, determining transmission data rate of a time frame, selecting a portion of the block of data based on the determin ...


6
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 (281 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 ...


7
Jay R Walton, Mark Wallace, Jack Holtzman, Franklin P Antonio: Method and apparatus for controlling transmissions of a communications systems. Qualcomm Incorporated, Philip R Wadsworth, Kent D Baker, Thomas R Rouse, December 10, 2002: US06493331 (252 worldwide citation)

In some aspects, each cell in the communications system can be designed to operate in accordance with a set of back-off factors that identify the reductions in peak transmit power levels for the channels associated with the back-off factors. The back-off factors are defined to provide the required p ...


8
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 (225 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 ...


9
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 (204 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 ...


10
Haggai H Haller, Jeremy M Stein: Efficient iterative decoding. QUALCOMM Incorporated, Philip R Wadsworth, Thomas R Rouse, January 30, 2001: US06182261 (197 worldwide citation)

Apparatus for iterative decoding of a sequence of signal packets coded in accordance with a multi-component coding scheme. The apparatus includes a plurality of decoders, each of which performs a respective different decoding method on one of the signal packets, such that the plurality of decoders o ...