UEP-LDPC codes with high spectral efficiency in image transmission

Authors:
Piming Ma;Kyung Sup Kwak
Affiliations:
Shandong University, Jinan, China;UWB Communication Research Center, Incheon, Korea
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

In this paper, degree distributions of unequal error protection low-density parity-check (UEP-LDPC) codes are found by using Gaussian approximation algorithm. The UEP-LDPC codes have good overall performance and UEP property over AWGN channel. Simulation results show that the proposed UEP-LDPC code can improve the quality of the reconstructed image effectively in uncompressed image transmission with high spectral efficiency.