Performance Analysis of MIMO Schemes in Residential Home Environment via Wideband MIMO Propagation Measurement
Performance Analysis of MIMO Schemes in Residential Home Environment via Wideband MIMO Propagation Measurement
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通过宽带 MIMO 传播测量对住宅环境中 MIMO 方案进行性能分析
DOI：
10.1587/transfun.e93.a.814
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发表时间：
2010
期刊：
影响因子：
--
通讯作者：
K. Ogawa
中科院分区：
文献类型：
--
作者：
G. Tran;N. Dao;K. Sakaguchi;K. Araki;H. Iwai;T. Sakata;K. Ogawa
本文描述了一个实际环境中的大规模MIMO传播信道测量，并评估了各种MIMO方案在该环境下的吞吐量性能。为此，研制了4×4 MIMO收发机和一种新型的空间扫描器，用于5 GHz频段的宽带MIMO信道测量。在150平方米的面积内，包括卧室、日式房间、走廊和起居区和就餐区，总共采集了5万多个空间样本，这些样本是在真实的住宅家居环境中采集的。通过使用测量数据评估了各种MIMO方案的传播信道的统计特性和吞吐量性能。传输测量结果表明，在信道的统计特性(如频率相关性和空间相关性)不再是平稳的情况下，信道发生了较大的动态变化，并成为信噪比的函数。此外，吞吐量评估表明，尽管MIMO方案在大多数区域的性能优于SISO系统，但开环系统在低信噪比的远区性能很差。与其他方案相比，在发射时支付CSI或部分CSI的成本，闭环系统和混合系统具有更好的性能，特别是在合理的信噪比范围从10分贝到30分贝。空间相关性在日本木制住宅中很常见，也被发现是导致开环MIMO方案吞吐量下降的主要因素。
This paper illustrates a large-scale MIMO propagation channel measurement in a real life environment and evaluates throughput performance of various MIMO schemes in that environment. For that purpose, 4 x 4 MIMO transceivers and a novel spatial scanner are fabricated for wideband MIMO channel measurements in the 5 GHz band. A total of more than 50,000 spatial samples in an area of 150 m 2 , which includes a bedroom, a Japanese room, a hallway, and the living and dining areas, are taken in a real residential home environment. Statistical properties of the propagation channel and throughput performance of various MIMO schemes are evaluated by using measured data. Propagation measurement results show large dynamic channel variations occurring in a real environment in which statistical properties of the channel, such as frequency correlation and spatial correlation are not stationary any more, and become functions of the SNR. Furthermore, evaluation of throughput shows that although MIMO schemes outperform the SISO system in most areas, open loop systems perform badly in the far areas with low SNR. Paying for the cost of CSI or partial CSI at Tx, closed loop and hybrid systems have superior performance compared to other schemes, especially in reasonable SNR areas ranging from 10 dB to 30 dB. Spatial correlation, which is common in Japanese wooden residences, is also found to be a dominant factor causing throughput degradation of the open loop MIMO schemes.
DOI：
10.1093/ietcom/e88-b.7.3010
发表时间：
2005-07
期刊：
IEICE Trans. Commun.
影响因子：
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作者：
K. Sakaguchi;Hai-Yeow-Eugene Chua;K. Araki
通讯作者：
K. Sakaguchi;Hai-Yeow-Eugene Chua;K. Araki
MIMO-SDR平台的开发及其在实时信道测量中的应用
DOI：
--
发表时间：
2006
期刊：
IEICE Transactions on Communications E89-B・12
影响因子：
--
作者：
K.Mizutani;K.Sakaguchi;J.Takada;K.Araki
通讯作者：
K.Araki
室内环境中 2×2 MIMO 空间复用的性能
DOI：
--
发表时间：
2005
期刊：
Proceedings of 2005 IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics
影响因子：
--
作者：
堀川大樹;片桐千仭;桑原幹典;山畑 倫志;山畑 倫志;山畑 倫志;山畑 倫志;山畑 倫志;山畑 倫志;Keiichi Kambara;Hiroshi Nishimoto;西本 浩;加藤 翔平;Hiroshi Nishimoto;Hiroshi Nishimoto;Hiroshi Nishimoto;Hiroshi Nishimoto;西本 浩;西本 浩;西本 浩;西本 浩;西本 浩;西本 浩;Yasutaka Ogawa
通讯作者：
Yasutaka Ogawa