1
Durga Malladi
Serge Willenegger, Durga P Malladi, Josef J Blanz: Method and apparatus for reducing inter-channel interference in a wireless communication system. Larry J Moskowitz, Thomas Rouse, July 29, 2008: US07406065 (34 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
Yongbin Wei, Durga P Malladi, Stein Lundby, Tao Chen, Serge Willenegger: Systems and methods for hierarchically demodulating and decoding a data signal using a pilot signal and an additional signal. QUALCOMM Incorporated, Hossaine Beladi, Larry J Moskowitz, Thomas Rouse, August 26, 2008: US07418064 (11 worldwide citation)

Systems and methods for demodulating and decoding signals on a multi-path data channel using a pilot signal and at least one additional signal as a demodulation reference. One embodiment includes a method in which a pilot signal is used to demodulate and decode an additional signal, and then both th ...


3
Bjorn A Bjerke, John W Ketchum, Nagabhushana Sindhushayana, Jay Rod Walton: Rate-compatible LDPC codes. Qualcomm Incorporated, Larry J Moskowitz, April 20, 2010: US07702986 (76 worldwide citation)

Method and apparatus for generating codewords with variable length and redundancy from a single Low-Density Parity-Check (LDPC) code with variable length input words. A mother code for encoding data words is generated based on a parity-check matrix, wherein the mother code is adjusted to reflect the ...


4
John Edward Smee, Nagabhushana Sindhushayana: System and method for received signal prediction in wireless communications system. QUALCOMM Incorporated, George J Oehling, Larry J Moskowitz, Thomas R Rouse, October 7, 2008: US07433384 (25 worldwide citation)

Method and apparatus to compute the combiner coefficients for wireless communication systems for a space-time solution. One embodiment trains the weights on a signal known a priori that is time multiplexed with other signals, such as a pilot signal in a High Data Rate, HDR, system, wherein the signa ...


5
Jose Cabanillas, Prasad S Gudem, Namsoo Kim, Cristian Marcu, Anup Savla: Low noise and low input capacitance differential MDS LNA. QUALCOMM Incorporated, Larry J Moskowitz, William M Hooks, May 17, 2011: US07944298 (23 worldwide citation)

A differential low noise amplifier (LNA) involves two main amplifying transistors biased in saturation, and two cancel transistors biased in sub-threshold. In one example, the gates of the cancel transistors are coupled to the drains of main transistors, in a symmetrical and cross-coupled fashion. T ...


6
Octavian Florescu, Amr M Fahim, Chiewcharn Narathong: PLL lock management system. Qualcomm Incorporated, Kenyon Jenckes, Larry J Moskowitz, Thomas Rouse, January 29, 2008: US07323944 (22 worldwide citation)

A PLL includes a charge pump, a loop filter, a VCO, and a calibration unit. The calibration unit performs coarse tuning to select one or multiple frequency ranges, performs fine tuning to determine an initial control voltage that puts the VCO near a desired operating frequency, measures the VCO gain ...


7
Tamer Kadous: Incremental redundancy transmission for multiple parallel channels in a MIMO communication system. Qualcomm Incorporated, Sandip S Minhas, Larry J Moskowitz, February 23, 2010: US07668125 (19 worldwide citation)

For incremental redundancy transmission on multiple parallel channels in a MIMO system, a transmitter processes (e.g., encodes, partitions, interleaves, and modulates) each data packet for each parallel channel based on a rate selected for the parallel channel and obtains multiple symbol blocks for ...


8
Avneesh Agrawal, Durga Prasad Malladi, Anastasios Stamoulis, Ashok Mantravadi, Ramaswamy Murali: Frame structures for a wireless communication system with multiple radio technologies. Qualcomm Incorporated, Larry J Moskowitz, April 5, 2011: US07920884 (18 worldwide citation)

Frame structures and transmission techniques for a wireless communication system are described. In one frame structure, a super-frame includes multiple outer-frames, and each outer-frame includes multiple frames, and each frame includes multiple time slots. The time slots in each super-frame are all ...


9
Peter John Black, Matthew S Grob: Methods and systems for providing enhanced position location in wireless communications. QUALCOMM Incorporated, Larry J Moskowitz, Shyam K Parekh, January 25, 2011: US07876265 (18 worldwide citation)

Embodiments disclosed herein relate to methods and systems for providing improved position-location (e.g., time-of-arrival) measurement and enhanced position location in wireless communication systems. In an embodiment, an access point may replace information (e.g., data) transmission by a “known” t ...


10
Rajiv Laroia, Junyi Li, Tom Richardson: Multi-carrier communications methods and apparatus. Michael P Straub, Larry J Moskowitz, Thomas R Rouse, June 10, 2008: US07386306 (17 worldwide citation)

Methods and apparatus for implementing a multi-carrier communications system are described. Various approaches to a phased system deployment and system configurations resulting from different levels of deployment are described. In addition mobile node and methods of operating mobile nodes in communi ...