CDMA和TDMA系统的比较

[1992 Proceedings] Vehicular Technology Society 42nd VTS Conference - Frontiers of Technology Pub Date : 1992-05-10 DOI:10.1109/VETEC.1992.245471

Bjbrn Gudmundmn, Skbld, K. Ugland

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引用次数: 81

摘要

对两种高容量蜂窝系统进行了仿真和分析，分别是码分多址(CDMA)系统和时分多址(TDMA)系统。对CDMA实例的仿真表明，该系统对某些系统参数的变化具有很高的灵敏度。TDMA的例子是GSM系统使用随机跳频和无频率规划的工作。仿真结果表明，TDMA系统至少具有与CDMA候选系统相同的容量。软容量、语音活动的有效利用和多样性是这两个系统都具备的特性。

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A comparison of CDMA and TDMA systems

Two candidates for high-capacity cellular systems are simulated and analyzed, one code-division multiple access (CDMA) and one time-division multiple access (TDMA) system. Simulations of the CDMA example indicate a high sensitivity to variations in certain system parameters. The TDMA example is a GSM system using random frequency hopping and operating without frequency planning. The simulations show that the TDMA system has at least the same capacity as the CDMA candidate. Soft capacity, efficient use of voice activity, and diversity are features available in both systems.<>

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来源期刊

[1992 Proceedings] Vehicular Technology Society 42nd VTS Conference - Frontiers of Technology

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