非同步用户存在时移动无线电跳频多电平FSK的性能

MILCOM 1982 - IEEE Military Communications Conference - Progress in Spread Spectrum Communications Pub Date : 1982-10-01 DOI:10.1109/MILCOM.1982.4805979

R. Agustí, G. Junyent

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引用次数: 0

摘要

研究了一种应用于移动无线电话的跳频多电平频移键控(FH-MFSK)扩频通信系统。我们提出了一个移动到基地的传输模型，该模型允许研究系统损伤，例如来自非同步用户和存在匹配调谐接收器滤波器的相邻频率信道的干扰。我们已经获得了在20 MHz(单向)带宽下每个用户32 Kb/s的移动到基地通信的结果。在最多110个用户同时使用的情况下，实际平均信噪比为25 dB，误码概率小于10-3。

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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Performance of a FH Multilevel FSK for Mobile Radio in the Presence of Nonsynchronous Users

This paper considers a Frequency Hopped Multilevel Frequency Shif Keying (FH-MFSK) spread spectrum communication system applied to mobile radio-telephony. We pre sent a mobile-to-base transmission model that allows to study system impairments, such as interference from nonsynchronous users and adjacent frequency channels in presence of matched tuned receiver filters. We have obtained results with mobile-to-base communication of 32 Kb/s per user in a 20 MHz (one-way) bandwidth. A bit error probability less than 10-3 can be maintained with up to 110 simultaneous users for practical average SNR ratio of 25 dB.

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MILCOM 1982 - IEEE Military Communications Conference - Progress in Spread Spectrum Communications

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