A Differential Trellis-Coded Quantization for FDD Massive MIMO Systems in a Spatially Correlated Channel
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DOI: 10.1109/lsp.2016.2642223
Abstract: To obtain the beamforming gain of a frequency-division duplex massive multiple-input multiple-output system, extensive channel state information (CSI) should be accurately quantized and fed back to the base station. Trellis-coded quantization (TCQ) can reduce codebook… read more here.
Keywords: spatially correlated; quantization; trellis; trellis coded ... See more keywords