1
Petri Aukia, T V Lakshman, Debasis Mitra, Kajamalai G Ramakrishnan, Dimitrios Stiliadis: Adaptive routing system and method for QOS packet networks. Lucent Technologies, Mendelsohn and Associates PC, July 15, 2003: US06594268 (404 worldwide citation)

A packet network employs routers that determine network routing based on quality of service (QoS) provisioning parameters and network topology information. QoS provisioning parameters are provided to each router from a network management database, and the network topology information is determined f ...


2
John A Morrison, Kajamalai Goplaswamy Ramakrishnan, Debasis Mitra: Optimization method for routing and logical network design in multi-service networks. Lucent Technologies, December 29, 1998: US05854903 (102 worldwide citation)

A method is described for network optimization based on a multirate, circuit-switched analysis. Network loss probabilities are determined as a solution of a set of fixed point equations and the sensitivity of network performance, as a function of offered load and loss probabilities, is determined as ...


3
Debasis Mitra: Cellular mobile radio system power control. Lucent Technologies, August 27, 1996: US05551057 (82 worldwide citation)

The present invention discloses a method of and apparatus for regulating the power of signals transmitted by transmitting units, such as mobiles or base stations, that are using the same channel in a cellular radio system. An iterative process is disclosed in which the demands of synchrony and coord ...


4
Debasis Mitra, John A Morrison, Kajamalai Gopalaswamy Ramakrishnan: Method for resource allocation and routing in multi-service virtual private networks. Lucent Technologies, Martin I Finston, December 18, 2001: US06331986 (74 worldwide citation)

We describe a method for solving the joint problem of optimal routing and optimal bandwidth allocation in a network that supports plural subnetworks and plural communication services. Our method involves, for each source-destination pair communicating via a given subnetwork and a given class of serv ...


5
Debasis Mitra, John A Morrison: Method for power control in wireless networks for communicating multiple information classes. Lucent Technologies, Robert E Rudnick, March 24, 1998: US05732328 (69 worldwide citation)

Transmission power of a wireless terminal for transmitting a signal representing information of a particular information class to a base station capable of receiving signals for a plurality of information classes is determined based on a probability measure indicating received signal outage duration ...


6
Debasis Mitra, Judith B Seery: Method for adaptive control of windows and rates in networks. AT&T, Katharyn E Olson, June 20, 1995: US05426635 (68 worldwide citation)

Methods are disclosed for the adaptive control of windows and rates in networks. A periodic, one-bit feedback signal is combined with systematic damping and control of a gain signal to achieve a minimum bandwidth and a fair share of excess available bandwidth among virtual circuits in the network in ...


7
Anwar Elwalid, Debasis Mitra, Robert H Wentworth: Method for admission control and routing by allocating network resources in network nodes. Lucent Technologies, Katharyn E Olson, Robert E Rudnick, November 17, 1998: US05838663 (63 worldwide citation)

A method regulates the admission control of, and requests for routing of, virtual circuits in a network by determining network resource requirements for the virtual circuits. In particular, the network resource requirements are based on a set of parameters used to control the flow of information fro ...


8
Debasis Mitra, Ilze Ziedins: Method for sharing network resources by virtual partitioning. Lucent Technologies, Katharyn E Olson, Martin I Finston, July 14, 1998: US05781624 (56 worldwide citation)

A method of operating a network by sharing resources associated with various classes among calls in the various classes according to a state dependent reservation parameter. Nominal amounts of one or more resources are allocated to each call class. When a call of a class of service operating in the ...


9
Anwar Elwalid, Debasis Mitra: Traffic shaper for network nodes and method thereof. Lucent Technologies, Julio Garceran, November 2, 1999: US05978356 (47 worldwide citation)

The traffic shaping system according to the principles of the present invention increases the connection-carrying capacity of a network node by shaping the data cells to increase the admissible number of connections. In accordance with certain embodiments of the present invention, the traffic shapin ...


10
Anwar Elwalid, Debasis Mitra: Packet scheduling in a communication network with statistical multiplexing of service classes. Lucent Technologies, De La Rosa & De La Rosa, May 20, 2003: US06567415 (36 worldwide citation)

This Generalized Processor Sharing (GPS) is the basis for the packet scheduler of choice in IP routers and ATM switches of the future. The currently accepted approach for the design of GPS schedulers is based on deterministic QoS guarantees, which, it is generally accepted, is overly conservative an ...