1
Vaidhyanathan Arunachalam, Kalyan Basu, Sanjoy K Sen: Method and system for wireless QOS agent for all-IP network. Nortel Networks, John D Crane, Bracewell & Patterson L, October 7, 2003: US06631122 (292 worldwide citation)

A wireless quality of service (QoS) agent for an all-Internet Protocol (IP) network. The QoS agent couples to an all-IP network. The coupling means includes communication means for transfer of information between the agent and a QoS manager of the all-IP network. The agent is also able to seamlessly ...


2
Anurudha Kulatunge, Kalyan Basu, Hee C Lee, Meenakshi Prakash: Network fault prediction and proactive maintenance system. Nortel Networks, John D Crane, Bracewell & Patterson L, March 5, 2002: US06353902 (101 worldwide citation)

A system for proactive maintenance of a telecommunications network. A database is created containing characteristics of a plurality of valid logs. These valid logs represent alarms within a network which report status and abnormalities in the network and which have been specifically selected by a ne ...


3
Stone Tseng, Kalyan Basu, Yixin Zhu, Khaled Elsayed: Wireless architecture having redistributed access functions. Northern Telecom, Finnegan Henderson Farabow Garrett & Dunner L, April 20, 1999: US05896568 (65 worldwide citation)

A wireless access architecture, having redistributed wireless access functions, comprises a plurality of cell sites connected to a main switching point. The cell sites communicate with cellular users within their respective cell site areas and comprise a communication segment for exchanging communic ...


4
Seshagiri Rao Madhavapeddy, Kalyan Basu, Allison V Roberts, Michael John McCarthy, Russell David Balcom, Lance Miquel LaBauve: Cellular mobile communications system. Northern Telecom, Lee Mann Smith McWilliams Sweeney & Ohlson, February 23, 1999: US05875400 (65 worldwide citation)

In a cellular mobile access communications system each mobile terminal registers its location at intervals. From the registration history of each mobile, a probable group of cells within which a mobile terminal may be located is predicted. When a mobile is to be paged, the paging message is transmit ...


5
Zhengping Gao, Steve Racz, Kalyan Basu: Overload control for a central processor in the switching network of a mobile communications system. Northern Telecom, Lee Mann Smith McWilliams Sweeney & Ohlson, August 20, 1996: US05548533 (59 worldwide citation)

An overload control for a central processor in the switching network of a mobile radio system. The central processor may be part of a Mobile services Switching Center (MSC). Congestion reports, based on the delay experienced by messages awaiting processing at the central processor, are broadcast to ...


6
Surnjani Djoko, Hua Jiang, Hee C Lee, Sairam Subramanian, Seshagiri Madhavapeddy, Kalyan Basu: Self engineering system for use with a communication system and method of operation therefore. Nortel Networks, Bruce Garlick, James Harrison, July 4, 2000: US06085335 (48 worldwide citation)

A self engineering system includes a data acquisition module, a self engineering engine, and a control module. The data acquisition module couples to the communication system and receives current operating data of the communication system. The self engineering engine receives the current operating d ...


7
Stone Tseng, Kalyan Basu: System and method for faulty mobile unit isolation. Northern Telecom, Finnegan Henderson Farabow Garrett & Dunner L, September 22, 1998: US05812636 (39 worldwide citation)

A wireless network, having a plurality of mobile units operating in a cell of the wireless network, isolates a faulty mobile unit that jams the control channel thereby preventing communication by the other mobile units in the cell. A system and method for isolating the faulty mobile unit monitors th ...


8
Sudheer A Grandhi, Seshagiri R Madhavapeddy, Kalyan Basu, Steven J Willhoff, Hong D Staley: Selecting radio frequency channels for reuse in micro-cellular radio communications systems. Northern Telecom, Foley & Lardner, October 27, 1998: US05828963 (36 worldwide citation)

A micro-cellular radio communications system (microsystem) is arranged to re-use radio frequency channels which are assigned for use in a cellular radio system (macrosystem) in the same vicinity. The microsystem maintains a list of each frequency channel which is in current use in any microcell of t ...


9
Sanjoy Sen, Tanuj Bagchi, Joseph Ho, Kalyan Basu, Indranil Bob Tapadar, Chiew Leong Saw: GPRS MAC procedures to support real-time services. Nortel Networks, Haynes & Boone, October 15, 2002: US06466544 (30 worldwide citation)

A system and method for GPRS MAC procedures to support delay-sensitive, real-time traffic is presented. The system comprises a mobile station able to transmit packets to and receive packets from a base station, where the base station is coupled to a General Packet Radio Service (GPRS) network, and w ...


10
Kalyan Basu, Girish Patel, Chenhong Huang: Systems and methods for implementing private wireless communications. Nortel Networks Corporation, Carr & Storm L, April 17, 2001: US06219539 (29 worldwide citation)

A communications system includes a dual mode mobile station and a home base station. Dual mode mobile station is operable selectively in CDMA and analog modes. Home base station includes circuitry for establishing wireless communications with mobile station in the analog mode, and circuitry for esta ...



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