Method and apparatus for reservation-based wireless-ATM local area network

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United States of America Patent

PATENT NO 5787080
SERIAL NO

08656803

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Abstract

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A reservation-based wireless asynchronous transfer mode (ATM) local area network includes a system architecture of mobile nodes (MNs), each MN for communicating with various ones of the other MNs. A plurality of services is supported wherein each service has respective quality-of-service (QoS) requirements. A medium access control (MAC) layer using a reservation-based communications protocol is provided, wherein the protocol divides all MAC-based communications between a control channel and a data channel, the control channel and the data channel together making up a control-data superframe (CDS). The protocol further utilizes the control channel for allocating a bandwidth of the data channel to each service. The control channel includes a control frame during which an allocation of data payload slots of the data channel is determined according to (a) a long-term strategy corresponding to a time of service required to complete a service over multiple CDS frames and (b) a short-term strategy within a CDS frame corresponding to instantaneous data payload slot requirements for a particular service. Respective QoS requirements of each service are thus achieved.

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Patent Owner(s)

  • PHILIPS ELECTRONICS NORTH AMERICA CORPORATION;SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE U.K. OF GT. BRITAIN AND N. IRELAND OF DEFENCE EVALUATION AND RESEARCH AGENCY, THE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hulyalkar, Samir N Columbia, MD 79 2876
Ngo, Chiu Y Ossining, NY 8 599

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