一种用于FH-MFSK卫星通信系统时采集的动态码分多址算法

MILCOM 1986 - IEEE Military Communications Conference: Communications-Computers: Teamed for the 90's Pub Date : 1986-10-01 DOI:10.1109/MILCOM.1986.4805700

T. Seay, M. Blanco

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引用次数: 0

摘要

提出了一种用于星载跳频FSK信令卫星通信系统上行粗时采集的码分多址(CDMA)算法。该算法基于自探测，允许大量用户在多址基础上独立获取。与传统算法相比，该算法在轻负载条件下速度极快。此外，与从轻负荷到重负荷的全负荷条件下的完美预分配相比，它非常有效。该算法只需单个用户进行最少的处理，无需其他用户进行协调操作，并且具有很强的抗下行信道错误或衰落的性能。通过分析对其性能进行了评价，并通过蒙特卡洛仿真进行了验证。

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 Dynamic Code Division Multiple Access Algorithm for Time Acquisition of FH-MFSK Satellite Communication Systems

A code division multiple-access (CDMA) algorithm is presented for uplink coarse time acquisition for satellite communication systems which use frequency-hopped M-ary FSK signalling with onboard processing. The algorithm is based on self-probing, and it allows independent acquisition by large numbers of users on a multiple access basis. This new algorithm is extremely fast under light loading conditions when compared to the typical approach. Also, it is very efficient compared to perfect preassignment over the full range of loading conditions from light to very heavy loading. The algorithm requires minimal processing by one user and no coordinated action by other users, and it is highly resistant to degradation by downlink channel errors or fading. The performance is evaluated by analysis and verified through Monte Carlo simulations.

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来源期刊

MILCOM 1986 - IEEE Military Communications Conference: Communications-Computers: Teamed for the 90's

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