移动卫星MIMO广播极化调制方案

2015 IEEE International Wireless Symposium (IWS 2015) Pub Date : 2015-07-27 DOI:10.1109/IEEE-IWS.2015.7164605

Bin Zuo, Kanglian Zhao, Wenfeng Li, Naitong Zhang

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引用次数: 5

摘要

提出了一种用于移动卫星广播的极化调制(PM)方案。与传统的双极化空间复用(SM)或空时分组编码(STBC)方案不同，PM采用极化域来表示信息。在任何传输时刻，只有一个极化天线被激活，避免了交叉极化干扰，降低了波束间干扰的可能性。利用实际的MIMO陆地移动卫星信道模型，对单星和双星情况下的PM和SM方案进行了系统性能评价。仿真结果表明，在相同的频谱效率下，所提出的PM方案在不同的MSB系统设置下优于SM方案。

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Polarized modulation scheme for mobile satellite MIMO broadcasting

A polarized modulation (PM) scheme is proposed for mobile satellite broadcasting (MSB) in this paper. PM employs polarization domain to represent information, which is different from the conventional dual polarization spatial multiplexing (SM) or space time block coding (STBC) schemes in MSB. At any transmission instant, only one polarized antenna is activated, which avoids cross polarization interference and mitigates the possibility of inter-beam interference. A fair system performance evaluation is taken between PM and SM schemes for both single-satellite and dual-satellite cases with practical MIMO land mobile satellite (LMS) channel models. The simulation results show that for same spectral efficiency the proposed PM scheme outperforms SM in different MSB system settings.

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2015 IEEE International Wireless Symposium (IWS 2015)

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