Title :
Gray label design for high-order QAM
Author :
Nie Yuanfei ; Ge Jianhua ; Wang Yong
Author_Institution :
State Key Lab. of Integrated Service Networks, Xidian Univ., Xian
Abstract :
Gray label is not unique for high-order QAM. Based on the presented labeling equivalence propositions and Gray definition, the optimum labels are obtain by a tree-searching algorithm and comparison of different Harmonic means.
Keywords :
Gray codes; interleaved codes; modulation coding; quadrature amplitude modulation; tree searching; Gray label design; bit-interleaved coded modulation; quadrature amplitude modulation; tree searching; BICM (Bit-interleaved Coded Modulation); Gray label; Harmonic mean; Tree searching;
Conference_Titel :
Wireless, Mobile and Sensor Networks, 2007. (CCWMSN07). IET Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-0-86341-836-5