1
Arak Sutivong, Ayman Fawzy Naguib, Dhananjay Gore, Alexei Gorokhov, Tingfang Ji: Separating pilot signatures in a frequency hopping OFDM system by selecting pilot symbols at least hop away from an edge of a hop region. QUALCOMM Incorporated, Dmitry R Milikovsky, Darren M Simon, August 3, 2010: US07768979 (43 worldwide citation)

Transmission patterns for pilot symbols transmitted from a mobile station or base station are provided. The patterns may be selected according to a location of the mobile station with respect to one or more antennas are provided. In some aspects, the pattern may be selected based upon the distance b ...


2
Dhananjay Gore, Sumeet Sandhu, Shilpa Talwar, Arogyaswami J Paulraj: System and method for transmit diversity base upon transmission channel delay spread. Intel Corporation, James S Finn, Intel Corporation, February 26, 2008: US07336719 (25 worldwide citation)

The present invention provides a diversity transmission system. The diversity transmission system includes a method and system of diversity transmission through a wireless channel formed between multiple transmission antennae of a transceiver and a subscriber unit. The method includes forming a stre ...


3
Murat Mese, Ayman Fawzy Naguib, Arak Sutivong, Dhananjay Gore, Alexei Gorokhov, Tingfang Ji: Power control and overlapping control for a quasi-orthogonal communication system. QUALCOMM Incorporated, Mary Fales, Thomas R Rouse, March 31, 2009: US07512412 (14 worldwide citation)

Techniques for controlling transmit power and the amount of overlapping in a quasi-orthogonal system are described. A base station for a sector receives transmissions from terminals in that sector and neighbor sectors and determines performance metrics (e.g., overall throughput) and/or QoS metrics ( ...


4
Ayman Fawzy Naguib, Alexei Gorokhov, Dhananjay Gore, Tingfang Ji, Arak Sutivong: Reception of H-ARQ transmissions with interference cancellation in a quasi-orthogonal communication system. QUALCOMM Incorporated, Mary Fales, June 30, 2009: US07554948 (12 worldwide citation)

To receive packets with interference cancellation, block transmissions for the packets are received on time-frequency blocks used by these packets. Receiver spatial processing is performed on input symbols to obtain detected symbols. Each packet is demodulated and decoded based on all detected symbo ...


5
Ayman Fawzy Naguib, Alexei Gorokhov, Tingfang Ji, Dhananjay Gore, Arak Sutivong: Rate selection for a quasi-orthogonal communication system. Qualcomm Incorporated, Dmitry R Milikovsky, Charles E Eggers, October 5, 2010: US07809336 (8 worldwide citation)

To select a rate for a transmitter in a communication system, a receiver obtains a channel response estimate and a received SINR estimate for the transmitter, e.g., based on a pilot received from the transmitter. The receiver computes a hypothesized SINR for the transmitter based on the channel resp ...


6
Arak Sutivong, Ayman Fawzy Naguib, Dhananjay Gore, Alexei Gorokhov, Tingfang Ji: Softer and soft handoff in an orthogonal frequency division wireless communication system. QUALCOMM Incorporated, Darren M Simon, October 25, 2011: US08045988 (6 worldwide citation)

Transmission patterns for pilot symbols transmitted from a mobile station or base station are provided. The patterns may be selected according to a location of the mobile station with respect to one or more antennas are provided. In some aspects, the pattern may be selected based upon the distance b ...


7
Tingfang Ji, Ayman Fawzy Naguib, Arak Sutivong, Dhananjay Gore, Alexei Gorokhov, Hemanth Sampath, Min Dong: Low complexity beamforming for multiple antenna systems. QUALCOMM Incorporated, Dimitry Milikovsky, Howard H Seo, January 29, 2013: US08363577 (6 worldwide citation)

Methods and apparatuses are disclosed that utilize the discrete Fourier transform of time domain responses to generate beamforming weights for wireless communication. In addition, in some embodiments frequency subcarriers constituting less than all of the frequency subcarriers allocated for communic ...


8
David Julian, Dhananjay Gore: Inter-sector control channel transmission. QUALCOMM Incorporated, Donald C Kordich, November 15, 2011: US08060099 (2 worldwide citation)

Provided is a more efficient manner of transmitting a control message to reach into a neighboring sector (e.g., inter-sector) of a wireless network environment. The control message can be utilized for purposes such as handoff, indicating an amount of interference, inter-sector power control for mana ...


9
Alexei Gorokhov, Avneesh Agrawal, Dhananjay Gore, Tamer Kadous: Multiple modulation schemes in single rate layering wireless communication systems. QUALCOMM Incorporated, Howard Seo, June 4, 2013: US08457152

A MIMO communication system is adapted to encode multiple data streams at the same adaptable rate. Accordingly, the set of all possible modulation/rate combinations to all modulations with common rates is decreased thus resulting in the reduction of the number of possible packet formats carrying the ...


10
Tingfang Ji, Ayman Fawzy Naguib, Arak Sutivong, Dhananjay Gore, Alexei Gorokhov, Hemanth Sampath, Min Dong: Low complexity beamforming for multiple antenna systems. QUALCOMM Incorporated, Howard Seo, May 14, 2013: US08441969

Methods and apparatuses are disclosed that utilize the discrete Fourier transform of time domain responses to generate beamforming weights for wireless communication. In addition, in some embodiments frequency subcarriers constituting less than all of the frequency subcarriers allocated for communic ...