Millimeter Wave Beam Alignment with Symbol Based Beam Switching for Wideband Time-varying Channels

2021 15th International Conference on Signal Processing and Communication Systems (ICSPCS)(2021)

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摘要
We consider compressive sensing (CS)-based beam alignment for time-varying millimeter wave (mmWave) MIMO channels. We propose a symbol-based beam switching (SBBS) approach with channel-probing beams being switched every OFDM symbol. We use the SBBS to measure second order statistics of the channel, which are used for sparse recovery. We formulate the problem for a wideband channel model with pulse...
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关键词
MIMO,millimeter wave,beam alignment,beam training,multiuser,beam swithcing,time-varying channel,wideband
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