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Providing variable-rate transmission for the integrated multimedia services in the CDMA network

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2 Author(s)
Kyung Su Park ; R&D Center, Mediacomm Inc., Seoul, South Korea ; DongHo Cho

In this paper, we propose a wireless medium access control protocol for a CDMA network based on contention and reservation, which provides mobile terminals with connection-oriented/connectionless services and supports various bit rates required to support integrated multimedia services. The proposed mechanism improves the utilization efficiency of spreading codes by allowing limited spreading codes to be shared among all mobile terminals. Mobile terminals can transmit user traffic using multiple spreading codes. Also, depending on the number of usable uplink slots within frame and the number of spreading codes usable within each slot, various bit rates can be provided for each mobile terminal. The proposed mechanism allows connection-oriented and connectionless services, and optimum bit rates are supported for each service. Also, we analyze the performance of the proposed wireless MAC protocol in view of the mean blocking rate of connection-oriented services and mean delay time of connectionless services

Published in:

Global Telecommunications Conference, 1998. GLOBECOM 1998. The Bridge to Global Integration. IEEE  (Volume:1 )

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