Efficient Uniform Channel Quantization of Sparse CIR for Downlink OFDM Systems
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DOI: 10.1007/s11277-017-4201-8
Abstract: Channel state information at the transmitter side is an important issue for wireless communications systems, namely when precoding techniques are employed. Recent works explored random vector quantization (RVQ) as a solution for limited feedback for… read more here.
Keywords: efficient uniform; sparse; quantization; channel quantization ... See more keywords
Two-Phase Channel Quantization and Mapping
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DOI: 10.1109/tcomm.2024.3439428
Abstract: Channel quantization is commonly used in non-volatile memories and front-end communication systems. The general setting of channel quantization and mapping involves two phases: a contiguous quantization subject to a specified number of thresholds, referred to… read more here.
Keywords: phase channel; quantization; quantization mapping; channel quantization ... See more keywords