兼容TD-SCDMA移动卫星通信系统的多波束联合探测组合

2012 International Conference on Control Engineering and Communication Technology Pub Date : 2012-12-07 DOI:10.1109/ICCECT.2012.121

S. Ren, Xi Luan, Ran Zhu, Jianjun Wu

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引用次数: 1

摘要

针对多波束卫星系统中不同波束单元接收到的信号向同一网关站发送的特点，介绍了一种兼容TD-SCDMA移动卫星通信系统的多波束联合探测组合技术。该技术采用相邻波束辅助单波束联合检测(ABA-SB-JD)技术，从相邻波束小区用户的干扰信号中提取每个目标波束小区和相邻波束小区用户的检测信号，并根据最大比值组合原理检测每个波束小区同一用户的信号。仿真结果表明，该技术获得了良好的系统误码率性能，显著降低了系统的信噪比阈值，大大提高了多波束卫星通信系统的多用户检测性能。

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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Multi-beam Joint Detection Combination for TD-SCDMA Compatible Mobile Satellite Communication System

Based on the characteristic that received signals of different beam cells are sent to the same gateway station in the multi-beam satellite system, this paper introduces a technique of multi-beam joint detection combination for TD-SCDMA compatible mobile satellite communication system. The proposed technique adopts Adjacent Beam Assisted Single-beam Joint Detection (ABA-SB-JD) technique to get the detection signals of users in each target-beam cell and adjacent beam cells from the interference signals of users in adjacent beam cells, and detects the signal of the same user in each beam cell according to the maximal ratio combining principle. The simulation results show that this technique gets a good system bit-error rate performance, significantly reduces the SNR threshold of the system, and greatly improves multi-user detection performance of the multi-beam satellite communication system.

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来源期刊

2012 International Conference on Control Engineering and Communication Technology

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