基于CDMA的无线ATM的MAC协议

Proceedings of the 1998 South African Symposium on Communications and Signal Processing-COMSIG '98 (Cat. No. 98EX214) Pub Date : 1998-09-07 DOI:10.1109/COMSIG.1998.736940

R. Majoor, F. Takawira

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引用次数: 6

摘要

文献中已经描述了无线ATM的几种MAC协议;TDMA和FDMA组合构成了其中的大部分。在CDMA信道上的ATM的MAC协议很少出现。本文介绍了一种通过移动设备和基站之间的无线CDMA信道传输ATM单元的协议。本文考虑了CBR、VBR和ABR业务。QoS在CAC方案中得到保证，并使用功率控制机制实现。该协议利用可移动边界机制按流量需求比例划分带宽。通过允许CBR和VBR流量从ABR流量中“窃取”带宽，利用了CDMA的软容量特性。仿真结果表明，与没有这种机制相比，这将导致更大的吞吐量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A MAC protocol for wireless ATM over CDMA

Several MAC protocols for wireless ATM have been described in the literature; TDMA and FDMA combinations making up the bulk of these. Very little has appeared on MAC protocols for ATM over CDMA channels. This paper introduces a protocol for carrying ATM cells over a wireless CDMA channel between a mobile and a base station. The paper considers CBR, VBR and ABR traffic. QoS is guaranteed in the CAC scheme, and implemented using a power control mechanism. The protocol makes use of a movable boundary mechanism to partition the bandwidth in proportion to traffic demand. The soft capacity nature of CDMA is exploited by allowing CBR and VBR traffic to 'steal' bandwidth from ABR traffic. Simulation results show that this leads to a greater throughput than would be achieved without this mechanism.

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Proceedings of the 1998 South African Symposium on Communications and Signal Processing-COMSIG '98 (Cat. No. 98EX214)

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