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Medium access control and air-interface subsystem for an indoor wireless ATM network
Bangalore, INDIA January 03-January 06
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICVD.1996.4894459th International Conference on VLSI ...
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M.B. Srivastava, AT&T Bell Labs., Murray Hill, NJ, USA
An indoor wireless network based on room-sized cells has been prototyped at AT&T Bell Laboratories to investigate ubiquitous tetherless access to multimedia information. A distinguishing feature of this network, named SWAN, is its use of end-to-end ATM connectivity as opposed to connection-less mobile-IP connectivity used by present day wireless LANs. This paper focuses on medium access control (MAC) and air-interface sub-system in SWAN. The design of this sub-system is made interesting by the interplay of wireless aspects with ATM and mobility. A MAC based on token passing and mobile-initiated hand-off is used in conjunction with novel algorithms to reroute ATM virtual circuits. The functionality is partitioned three-way amongst dedicated hardware and dedicated embedded processor software located on a flexible wireless ATM adapter card, and the host processor software.
Index Terms:
indoor radio; radio networks; asynchronous transfer mode; multimedia communication; land mobile radio; wireless LAN; access protocols; medium access control; air-interface subsystem; indoor wireless ATM network; mobility; tetherless access; multimedia information; SWAN; end-to-end connectivity; token passing; hand-off; virtual circuit rerouting algorithm; wireless LAN; dedicated hardware; dedicated embedded processor software; flexible adapter card
Citation:
M.B. Srivastava, "Medium access control and air-interface subsystem for an indoor wireless ATM network," vlsid, pp.14, 9th International Conference on VLSI Design: VLSI in Mobile Communication, 1996
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