1
Krishna Balachandran, Sanjiv Nanda, Srinivas R Kadaba, Richard P Ejzak: System and method for measuring channel quality information. Lucent Technologies, Carmen B Patti, Wildman Harrold Allen & Dixon, August 22, 2000: US06108374 (158 worldwide citation)

A system and method to measure channel quality in terms of signal to noise ratio for the transmission of coded signals over fading channels. A Viterbi decoder metric for the Maximum Likelihood path is used as a channel quality measure. This Euclidean distance metric is filtered in order to smooth ou ...


2
Srinivas R Kadaba, Farooq Ullah Khan, Eshwar Pittampalli, Ashok N Rudrapatna, Ganapathy Subramanian Sundaram, Subramanian Vasudevan, Yunsong Yang: Multiple mode data communication system and method and forward and/or reverse link control channel structure. Lucent Technologies, January 2, 2007: US07158504 (137 worldwide citation)

A multiple mode data communication system and method provides the flexibility to schedule wireless unit transmissions and/or allow the wireless unit to transmit autonomously. In certain embodiments, the wireless units can transmit autonomously and/or use scheduling depending on the data rate, the le ...


3
Krishna Balachandran, Sanjiv Nanda, Srinivas R Kadaba, Richard P Ejzak: System and method for measuring channel quality information in a communication system. Lucent Technologies, Carmen B Patti, Wildman Harrold Allen & Dixon, April 10, 2001: US06215827 (84 worldwide citation)

A system and method to measure channel quality in terms of signal to interference plus noise ratio for the transmission of coded signals over fading channels in a communication system. A Viterbi decoder metric for the Maximum Likelihood path is used as a channel quality measure for coherent and non- ...


4
Nandu Gopalakrishnan, Srinivas R Kadaba, Ashok N Rudrapatna, Ganapathy Subramanian Sundaram: Method to control uplink transmissions in a wireless communication system. Lucent Technologies, Christopher N Malvone, Stephen M Gurey, December 28, 2004: US06836666 (76 worldwide citation)

Efficient data communication in wireless communication system is provided by using centralized control of data communications, such as packet switched services, over the uplink channel (mobile station (MS) to base station (BS)). A multiple access protocol is used where packet data mobile stations ma ...


5
Srinivas R Kadaba, Thierry Etienne Klein, Kin K Leung, Ganapathy Subramanian Sundaram, Haitao Zheng: Method and apparatus for quality-of-service based admission control using a virtual scheduler. Alcatel Lucent USA, Ryan Mason & Lewis, February 9, 2010: US07660244 (72 worldwide citation)

In a wireless network or other communication system, admission of users to the system involves use of a first scheduler, which makes actual scheduling decisions for admitted users, and a second scheduler, which emulates the operation of the first scheduler. The first scheduler is configured to manag ...


6
Nandu Gopalakrishnan, Niranjan Sudhir Joshi, Srinivas R Kadaba, Achilles George Kogiantis, Ashok N Rudrapatna, Mehmet Oguz Sunay, Ganapathy Subramanian Sundaram, Stanley Vitebsky: Integrating power-controlled and rate-controlled transmissions on a same frequency carrier. Lucent Technologies, Jimmy Goo, February 22, 2005: US06859446 (53 worldwide citation)

Disclosed is a method of integrating voice and data services onto a same frequency channel using available transmit power information to determine data rates, wherein the available transmit power information indicates an amount of transmit power available for future data transmissions over one or mo ...


7
Nandu Gopalakrishnan, Srinivas R Kadaba, Farooq Ullah Khan, Sanjiv Nanda, Mehmet Oguz Sunay, Ganapathy Subramanian Sundaram: Method for data rate selection in a wireless communication system. Lucent Technologies, August 16, 2005: US06930981 (39 worldwide citation)

Data rate determination is provided in a system where the available power fraction and available Walsh codes in each active leg are dynamically changing over time. This method adapts the rate (modulation and coding) based on the combined resource (power & code space) levels seen at each cell. The me ...


8
Nandu Gopalakrishnan, Srinivas R Kadaba, Ashok N Rudrapatna, Ganapathy Subramanian Sundaram: Method of uplink scheduling for data communication. Lucent Technologies, April 8, 2008: US07356346 (14 worldwide citation)

A method of scheduling data communication over an uplink. The method enables two or more users seeking to transmit data over the uplink to be scheduled in response to their path loss. The user having the most attractive determined path loss among the two or more users seeking to transmit data over t ...


9
Francis Dominique, Srinivas R Kadaba, Hongwei Kong: Method and apparatus for detecting a three-state signal in a base station in a wireless communications system. Lucent Technologies, April 8, 2008: US07356749 (10 worldwide citation)

A decision as to whether a mobile terminal has transmitted an ACK, a NACK or a NULL from a received signal at a base station is made by successively eliminating one of the three possible transmitted symbols by sequentially applying decision rules that maximize network throughput by minimizing the su ...


10
Nandu Gopalakrishnan, Niranjan S Joshi, Srinivas R Kadaba, Ashok N Rudrapatna, Ganapathy S Sundaram: Method and apparatus for managing packet data resources. Lucent Technologies, September 16, 2008: US07426196 (9 worldwide citation)

An apparatus and a method for managing resources for efficient packet data transmission. More specifically, there is provided a method for allocating transmission resources in a base station comprising determining a largest supportable packet size for a highest priority user, wherein the determinati ...