Call control and traffic transport for connection-oriented high speed wireless personal communications over metropolitan area networks

TitleCall control and traffic transport for connection-oriented high speed wireless personal communications over metropolitan area networks
Publication TypeJournal Article
Year of Publication1994
AuthorsLeung, V. C. M., N. Qian, A. D. Malyan, and R. W. Donaldson
JournalSelected Areas in Communications, IEEE Journal on
Pagination1376 -1388
Date Publishedoct.
Keywordsbase stations, bistate prearbitrated transport mechanism, broadband networks, bus architectures, call control function, call setup delay performance, circuit switching, connection-oriented high speed wireless personal communications, delays, distributed circuit-switched approach, distributed switches, DQDB protocol, dynamic sharing, handoff management technique, link capacity, metropolitan area networks, mobile radio systems, network capacity, performance evaluation, personal communication networks, protocols, radio stations, signaling, statistical multiplexing, system buses, telecommunication network management, telecommunication signalling, telecommunication traffic, telecommunications control, traffic congestion, traffic transport, urban areas, variable rate isochronous traffic sources, video, visual communication, voice, voice communication

A distributed circuit-switched approach for supporting the deployment of high speed wireless personal communication services in urban areas through the interconnection of base stations via metropolitan area networks (MANs) is proposed. Broadband MANs minimize traffic congestion by dynamic sharing of link capacity and by serving as distributed switches for partitioning call control functions. While the DQDB protocol readily supports distributed packet-switching over the IEEE 802.6 MAN, isochronous traffic such as voice and video is best supported by circuit-switched connections. The authors present an enhanced bi-state pre-arbitrated (PA) transport mechanism, and associated call control and handoff management techniques, which enable distributed circuit-switching over the MAN. These capabilities are not currently addressed in the 802.6 standards. The bi-state PA transport mechanism facilitates statistical multiplexing of variable rate isochronous traffic sources. The network capacity is constrained by the call setup delay performance, and is analyzed by simulations. Alternative signaling architectures, involving different placements of call control network elements, are evaluated. The effects of erasure nodes, and close bus versus open bus architectures, are considered. The overlap inter-MAN call setup procedure is proposed to reduce delays. Different call handoff procedures are formulated according to the type of handoff and the resulting change in call connectivity. Most handoffs are intra-MAN, requiring simple procedures with short delays


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