11
Jung Tao Liu, Ashok N Rudrapatna: Method of determining the capacity of each transmitter antenna in a multiple input/multiple output (MIMO) wireless system. Lucent Technologies, Stephen M Gurey, December 26, 2006: US07154960 (45 worldwide citation)

The per antenna capacity of each of the transmitter antennas in a MIMO system are individually determined from measurable information at the receiver end. Specifically, the channel capacity for each individual transmitter antenna is calculated at the receiver end as a function of measurable channel ...


12
Nandu Gopalakrishnan, Teck H Hu, Ashok N Rudrapatna, Pengfei Zhu: Method and apparatus for admission management in wireless communication systems. Lucent Technologies, January 17, 2006: US06987729 (41 worldwide citation)

A method and apparatus are provided for dynamically controlling a high speed wireless communication system to optimize utilization of system resources and increase system throughput. The invention operates to determine an allocation of wireless transmission resources to each user application served ...


13
Robert Raymond Miller II, Ashok N Rudrapatna, Jesse Eugene Russell: Broadband data reception system for WorldNet.TM. access. AT&T, July 27, 1999: US05930247 (39 worldwide citation)

Termination equipment for a WorldNet.TM. wireless network receives packet data from a data terminal of a DirecTV.TM. Settop Box. This data is directed to a recipient through a router and transmitted by wireless or coax LAN to customer premises data equipment. Replies to the network by customer premi ...


14
Liang Hsu, Ashok N Rudrapatna, Matthew J Sherman, Gabriel Valdez: Packetized CDMA/TDM satellite communication system. AT & T, Alfred G Steinmetz, February 23, 1999: US05875181 (24 worldwide citation)

In a satellite communication system a CDMA uplink signal including user data is transmitted in a packetized manner, the packets are switched on board the satellite by a packet switch before its downlink delivery. The packet switch routes the packets to the appropriate one of several outgoing downlin ...


15
Stephen Emmord Hanson, Ashok N Rudrapatna: Method and apparatus for a pre-paid return call. AT&T, Alfred G Steinmetz, April 14, 1998: US05740229 (23 worldwide citation)

A method and apparatus for allowing a caller to leave a message for an unreachable called party. The method and apparatus provides the caller with an option for a pre-paid return call that is billed to the caller. When the intended recipient of the call is unreachable, the call is transferred to a m ...


16
Ashok N Rudrapatna: Multiple access spread spectrum switching methodology. AT&T, December 27, 2005: US06980531 (20 worldwide citation)

A low-cost, low-power, low-complexity, small, high-reliability, robust, seamless satellite communication network is described. The network performs encoding of a user signal at the customer premises to enable routing of the user signal to an appropriate destination beam at the satellite requiring lo ...


17
Nandu Gopalakrishnan, Jung Tao Liu, Ashok N Rudrapatna, Naresh Sharma, Achilles George Kogiantis: Signaling and control mechanisms in MIMO harq schemes for wireless communication systems. Lucent Technologies, June 24, 2008: US07391755 (18 worldwide citation)

A method for conveying signaling information of a communication system that uses MIMO antenna systems. To enable a relatively larger amount of information to be conveyed over the communication system and thus exploit the use of the MIMO antenna system, forward link signaling channels are provided wh ...


18
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 ...


19
Ashok N Rudrapatna: Location based adaptive antenna scheme for wireless data applications. Lucent Technologies, January 29, 2008: US07324782 (13 worldwide citation)

A system is provided for adapting and customizing a reverse link beam and a forward link beam that couple a particular mobile unit with a base station for transmitting/receiving data. The forward and reverse links may be dynamically customized for changing data rate requirements, changing position o ...


20
Ashok N Rudrapatna: Architecture to support network-wide multiple-in-multiple-out wireless communication. Alcatel Lucent, Williams Morgan & Amerson PC, October 4, 2011: US08032183 (13 worldwide citation)

The present invention provides a method of coordinating transmission by and reception by a plurality of antennas associated with a plurality of radio heads. The method includes determining, at a controller, at least one relative time delay associated with a plurality of backhaul links between the co ...