在28 GHz信道测量中，SAGE和BBF对多径角和延迟扩展特性的比较

2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI:10.1109/APWC.2016.7738147

Jinyi Liang, Myung-Don Kim, Juyul Lee, Jae‐Joon Park, Bonghyuk Park, Kyung‐Won Kim

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引用次数: 1

摘要

本文基于28ghz实测数据，比较了空间交替广义期望最大化(SAGE)算法和Bartlett波束形成(BBF)算法的性能。通过时延扩展(DS)和角扩展(as)等色散特性的相似度和计算时间的比较计算复杂度来评价算法的性能。结果表明，SAGE与BBF的性能基本一致。在计算复杂度方面，用BBF代替SAGE可以节省98%的计算时间。与之前的工作相比，本文在室内和室外环境中收集了额外的测量数据进行分析，提高了色散参数的统计稳定性。

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Comparison of SAGE and BBF for multipath angular and delay spread characteristics with 28 GHz channel measurements

In this paper, we compared the performance of the Space-Alternating Generalized Expectation-maximization (SAGE) algorithm and Bartlett Beamformer (BBF) based on 28 GHz field measurement data. The performance was evaluated by: (1) the similarity of dispersion characteristics such as delay spread (DS) and angular spread (AS), (2) computational complexity by comparing computation time. Our results showed that the performance of SAGE and that of BBF are similar. In terms of computational complexity, it could save 98% computation time by BBF instead of SAGE. Compared with our prior work, this paper analyzed with additional measurement data collected in indoor and outdoor environments, which improved the statistical stability of dispersion parameters.

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2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)

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