陆地移动卫星信道中带路径分集的开槽NP-ISMA扩频性能分析

Proceedings of the Eighteenth National Radio Science Conference. NRSC'2001 (IEEE Cat. No.01EX462) Pub Date : 2001-03-27 DOI:10.1109/NRSC.2001.929238

A. Salama, R. E. Zanfally, A. Ammar

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引用次数: 0

摘要

分析了陆地移动卫星分组传输系统中采用BPSK调制和两种路径分集技术(即选择分集和最大比组合)的开槽非持久抑制感测多址(NP-ISMA)直接序列扩频的性能。卫星信道被模拟为具有带阴影的时域衰落特性。在轻阴影、平均阴影和重阴影下，对慢衰落和快速衰落的吞吐量进行了评估。

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Performance analysis of slotted NP-ISMA spread spectrum with path diversity in a land mobile satellite channel

The performance of a direct sequence spread spectrum with slotted non-persistent inhibit sense multiple access (NP-ISMA) in land mobile satellite packet transmission system, using BPSK modulation and two types of path diversity techniques, namely: selection diversity and maximal ratio combining, is analyzed. The satellite channel is modeled as having shadowed Rician fading characteristics. The throughput is evaluated for slow and fast fading under light, average and heavy shadowing.

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来源期刊

Proceedings of the Eighteenth National Radio Science Conference. NRSC'2001 (IEEE Cat. No.01EX462)

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