Deterministic M2M multicast in radio networks
Theoretical Computer Science
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This paper presents a multicasting solution for shared-buffer ATM switch. The cell duplicating function is performed by a one-to-many modified demux circuit. A shared multicast server is used to translate input multicast cells to find destination ports and corresponding routing information. By using a link-list based ring structure, the multicast server can provide a high speed (5 ns to search entry in 256-entry block in 0.8-μm CMOS process) and cascadable multicast translating function. In addition, the channel complexity of multipoint-to multipoint multicast applications can be reduced to N channels per N users. The shared-buffer controller is modified by adding controlling and scheduling functions for multicasting queues to process the multicast feature. Finally with the aid of quality of service (QoS) management, this proposed solution provides multi-QoS for multicast cells to meet the needs of various video applications