Modulation-assisted UEP-LDPC codes in image transmission

Authors:
Piming Ma;Kyung Sup Kwak
Affiliations:
Shandong University, Jinan, China;UWB Communication Research Center, Incheon, Korea
Venue:
ISCIT'09 Proceedings of the 9th international conference on Communications and information technologies
Year:
2009

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Abstract

Based on irregular UEP-LDPC codes, a modulation-assisted UEP scheme is proposed by using QPSK and 16QAM mapping, in order to achieve good tradeoff between reliability and spectrum efficiency. Simulation results show that the proposed coded-modulation scheme can improve the quality of the reconstruction image effectively in uncompressed images and Set Partitioning into Hierarchical Trees (SPIHT) coded image transmission.