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Low-Power Cross-Layer Error Management Using MIMO-LDPC Iterative Decoding for Video Processing
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DOI：10.1109/ACCESS.2021.3115671.png)
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摘要
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This paper presents a novel low-power joint decoding system composed of a multiple-input multiple-output (MIMO) detector, low-density parity-check (LDPC) channel decoder, and H.264 source decoder for energy-aware and cross-layer source-channel transmission systems. Our aim is to achieve a minimum power design that meets the expected quality of service (QoS) at the application layer. This design includes an iterative MIMO-LDPC decoder for minimizing communication errors and an unequal error protection scheme for reducing energy consumption in transmission. The experiment results reveal that our proposed iterative MIMO-LDPC-H.264 joint decoder achieved up to 66% energy reduction with only 0.09 dB peak signal-to-noise ratio degradation when compared to a non-UEP based joint source-channel decoding system.
Keyword:
Iterative decoding
MIMO communication
Streaming media
Wireless communication
Quality of service
Maximum likelihood decoding
Detectors
MIMO
LDPC
iterative decoding
unequal error protection
H264
H265 data partitioning
joint source-channel decoding
low-power design
error resilience
energy-aware communication system
QoS for video processing
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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