A Sparse Encoding And Phaseless Decoding Approach For Fast Mmwave Beam Alignment
2019 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP)(2019)
摘要
The problem of beam alignment for millimeter wave (mm-Wave) communications is studied in this paper. We show that, by exploiting the sparse scattering nature of mmWave channels, the beam alignment problem can be formulated as a s-parse encoding and phaseless decoding problem, which involves finding a sparse sensing matrix and an efficient recovery algorithm to recover the support and magnitude of the s-parse signal from compressive phaseless measurements. We develop a general function-Code (GF-Code) algorithm for sparse encoding and phaseless decoding. Simulation results are provided to corroborate the effectiveness of the proposed GF-Code method.
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关键词
mmWave communications, beam alignment, sparse encoding and phaseless decoding
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