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
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- ...


3
Richard P Ejzak: System and method for adaptive modification of modulated and coded schemes in a communication system. Lucent Technologies, Grossman Patti & Brill, May 14, 2002: US06389066 (79 worldwide citation)

A system and method is provided having an adaptive channel coder and modulator, a channel decoder and demodulator connected to the adaptive channel coder and modulator, and a radio link protocol frame and channel decision unit connected to the adaptive channel coder and modulator.


4
Richard P Ejzak, James B Thom, William J Peterson, Timothy F Glennon: Control for an electrical generating and distribution system, and method of operation. Sundstrand Corporation, Wood Dalton Phillips Mason & Rowe, September 6, 1983: US04403292 (75 worldwide citation)

A control for an electrical generating and distribution system utilizing a plurality of interconnected microprocessors. An electrical system, for an aircraft for example, may have two engine driven generators and an auxiliary power unit generator with loads connected to each of the engine driven gen ...


5
Richard P Ejzak, Sanjiv Nanda: Retransmission protocol for wireless communications. AT&T, Frederick B Luludis, August 22, 1995: US05444718 (54 worldwide citation)

The throughput of a radio transmission link is enhanced by arranging a transmitter of data packets so that it responds to the transmission window closing by repeatedly retransmitting all unacknowledged data packets and doing so until the window reopens or a receiver status message acknowledges recei ...


6
Krishna Balachandran, Richard P Ejzak, Sanjiv Nanda: System and method for incremental redundancy transmission in a communication system. Lucent Technologies, August 17, 2004: US06778558 (43 worldwide citation)

A system and method for incremental redundancy transmission in a communication system. A time slot is provided having at least one sub-slot with a fixed size, and a data block sized to fit in the sub-slot, a header having a one data block sequence number in the header for the time slot. A parity blo ...


7
Krishna Balachandran, Richard P Ejzak, Sanjiv Nanda, Shiv M Seth, Stanley Vitebsky, William Waung: System and method for link and media access control layer transaction initiation procedures. Lucent Technologies, September 23, 2003: US06625133 (42 worldwide citation)

A system and method of implementing a radio link protocol and dynamic partial echo management for a transaction oriented packet data communication system. A data backlog is described with a media access control layer controller and transmitting a BEGIN protocol data unit transmitted to a receiver. A ...


8
Krishna Balachandran, Subrahmanyam Dravida, Richard P Ejzak, Sanjiv Nanda, Shiv M Seth, Stanley Vitebsky: Method and device for MAC layer feedback in a packet communication system. Lucent Technologies, December 13, 2005: US06975611 (36 worldwide citation)

A method and communication device for media access control feedback over a packet channel divided in channel time slots is provided. The channel time slots are divided into sub-channel time slots. A packet channel feedback field associated with each sub-channel time slot is defined. Acknowledgments ...


9
James B Thom, Richard P Ejzak: Differential fault current protection of a multiprocessor controlled electric power generating system. Sundstrand Corporation, Ted E Killingsworth, Michael B McMurry, Harold A Williamson, March 23, 1982: US04321645 (26 worldwide citation)

The invention relates to a fault current detection, isolation and clearing system for use in an integrated power generating and distribution arrangement having multiple generators electrically connected to loads and to a distribution bus through circuit breakers. The system includes a power control ...


10
Krishna Balachandran, Richard P Ejzak, Sanjiv Nanda: Cycling through entirety of error-indicating acknowledgment information. Lucent Technologies, Patti & Brill, April 29, 2003: US06557135 (25 worldwide citation)

A system includes a generator component that determines a plurality of portions that comprise an entirety of error-indicating acknowledgement information. The system includes a generator component that cycles through the plurality of portions that comprise the entirety of the error-indicating acknow ...