双极化LMS MIMO信道的空时格编码传输方案

2013 IEEE/CIC International Conference on Communications in China - Workshops (CIC/ICCC) Pub Date : 2013-11-21 DOI:10.1109/ICCCHINAW.2013.6670582

Liang Dong-yu, Yang Ming-chuan, Cai Run-nan, Tan Shao-na, Tian Ri-cai

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引用次数: 0

摘要

为了提高陆地移动卫星通信系统链路的可靠性，提出了一种基于2 ×2双极化陆地移动卫星MIMO信道的空时格码传输方案。这种STTC传输方案不仅可以提供极化分集增益，而且与空时分组编码(STBC)方案相比，还可以提供额外的编码增益。特别强调了用户终端(UT)天线交叉极化判别(XPDant)和卫星仰角θ是影响极化的重要参数。将XPDant从5dB增加到15dB或θ从40°增加到60°，可以使系统性能提高0.1dB~0.3dB。在这种情况下，本文提出的STTC传输方案将在未来的LMS MIMO通信系统中获得有效且稳定的性能。

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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Space-time trellis coded transmission scheme for dual-polarized LMS MIMO channels

To improve the reliability of the land mobile satellite (LMS) communication system link, a space-time trellis code (STTC) transmission scheme based on a 2 ×2 dual-polarized land mobile satellite (LMS) MIMO channel is proposed in this paper. This STTC transmission scheme can offer not only polarization diversity gain, but also the additional coding gain comparing with the space-time block code (STBC) scheme. Particularly, the User Terminal (UT) antenna cross polarization discrimination (XPDant) and the satellite elevation angle θ are emphasized as important influencing parameters in terms of polarization. Increasing XPDant from 5dB to 15dB or θ from 40° to 60° can achieve 0.1dB~0.3dB system performance improvement. In this case, the proposed STTC transmission scheme will achieve an effective and stable performance in the future LMS MIMO communication system.

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来源期刊

2013 IEEE/CIC International Conference on Communications in China - Workshops (CIC/ICCC)

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