1
Durga Malladi
Durga Prasad Malladi, Josef Blanz, Yongbin Wei: Communication receiver with an adaptive equalizer length. Qualcomm, Philip Wadsworth, Sandra L Godsey, August 1, 2006: US07085317 (8 worldwide citation)

In a communication system, a method for estimating a transmitted signal is disclosed. A communication signal is received. A delay-power analyzer analyzes the communication signal. A delay spread is then estimated from information obtained from the delay-power analyzer. A new equalizer filter length ...


2
Durga Malladi
Durga Prasad Malladi, Francesco Grilli, Serge Willenegger: Method and apparatus for fast link setup in a wireless communication system. Qualcomm, Won Tae C Kim, Howard Seo, January 5, 2010: US07643828

A method and apparatus for a communication system provide for fast link setup for a mobile station by transmitting a request message, transmitting an assignment message from the base station to the mobile station, and transmitting a notification message from the base station to a base station contro ...


3
Durga Malladi
Byoung Hoon Kim, Durga Prasad Malladi: Uplink control channel format. QUALCOMM Incorported, Qualcomm Incorporated, February 19, 2009: US20090046805-A1

Systems and methodologies are described that facilitate encoding feedback or control information into a compact payload. In particular, a rank indicator, a precoding matrix indicator and channel quality indicators are packaged into a control channel payload that fits into a single sub-frame. The pay ...


4
John Smee, Jay Rod Walton, Durga Prasad Malladi: Pilot transmission schemes for wireless multi-carrier communication systems. QUALCOMM Incorporated, Thomas R Rouse, Byron Y Yafuso, Ross L Franks, October 9, 2007: US07280467 (141 worldwide citation)

Pilot transmission schemes suitable for use in wireless multi-carrier (e.g., OFDM) communication systems. These pilot transmission schemes may utilize frequency, time, or both frequency and time orthogonality to achieve orthogonality among the pilots transmitted by multiple base stations on the down ...


5
Durga Prasad Malladi, Hao Xu: Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with PAR considerations. QUALCOMM Incorporated, Nerrie M Zohn, February 18, 2014: US08655396 (139 worldwide citation)

A method for a wireless communication includes receiving or storing a peak to average (PAR) back off value; and applying the PAR back off value to determine the transmission power and rate for SIMO and MIMO transmissions. In one aspect, the PAR back off value is at least partially based on modulatio ...


6
Durga Prasad Malladi, Serge D Willenegger, Juan Montojo: Multi-carrier operation in data transmission systems. QUALCOMM Incorporated, Rupit M Patel, June 14, 2011: US07961700 (65 worldwide citation)

Multi-carrier point-to-multi-point CDMA system implementation reduces hardware changes in legacy single-carrier systems. The number of common downlink channels, such as timing/synchronization and paging channels, is reduced by designating an anchor carrier for transmitting these channels. Procedures ...


7
Durga Prasad Malladi, Juan Montojo: Preamble based uplink power control for LTE. QUALCOMM Incorporated, Darrell Scott Juneau, Jimmy Cheng, July 26, 2011: US07986959 (42 worldwide citation)

Systems and methodologies are described that facilitate utilizing power control preambles with closed loop power control techniques in a wireless communication environment. An uplink grant can be transferred over a downlink (e.g., a first uplink grant after uplink inactivity), and a power control pr ...


8
Juan Montojo, Durga Prasad Malladi, Nathan Edward Tenny, Francesco Grilli, Aziz Gholmieh: Method and apparatus for packet communications in wireless systems. Qualcomm Incorporated, Rupit Patel, Larry Moskowitz, January 10, 2012: US08094595 (36 worldwide citation)

Techniques for transmitting and receiving data in an efficient manner to potentially improve capacity for a wireless network and achieve power savings for a wireless device are described. The techniques utilize a Continuous Packet Connectivity (CPC) mode comprised of multiple (e.g., two) discontinuo ...


9
Juan Montojo, Durga Prasad Malladi, Nathan Edward Tenny, Francesco Grilli, Aziz Gholmieh: Method and apparatus for packet communications in wireless systems. Qualcomm Incorporated, Larry Moskowitz, January 17, 2012: US08098635 (29 worldwide citation)

Techniques for transmitting and receiving data in an efficient manner to potentially improve capacity for a wireless network and achieve power savings for a wireless device are described. The techniques utilize a Continuous Packet Connectivity (CPC) mode comprised of multiple (e.g., two) discontinuo ...


10
Durga Prasad Malladi, Juan Montojo, Sandip Sarkar: Methods and systems for PDCCH blind decoding in mobile communications. QUALCOMM Incorporated, Milan I Patel, Ashish L Patel, August 7, 2012: US08238475 (28 worldwide citation)

Various methods and systems for efficiently performing the blind decoding of downlink signals is described. Several forms of arranging possible CCE combinations are examined and investigated. Based on PDCCH size estimation/information, CCE concatenations that are most likely (of limited sets) can be ...