Title :
Generalized analysis on performance of SR-ARQ schemes with adaptive modulation systems in Nakagami fading channels
Author :
Junli, Wu ; Yong, Teng ; Changchuan, Yin ; Guangxin, Yue
Author_Institution :
Coll. of Telecommun. Eng., Beijing Univ. of Posts & Telecommun., China
Abstract :
ARQ can guarantee an almost error free reception. But in traditional ARQ schemes, all packets are transmitted with the same modulation mode, which makes its performance poor in fading channels. Adaptive modulation (AM) is an efficient way to improve spectral efficient of the system. Combining ARQ and AM will give a more promising performance. In this paper, the throughput of SR-ARQ schemes with adaptive modulation systems is analyzed. Simple analytical expressions are presented. Numerical results from the analysis and some discussion are given.
Keywords :
adaptive modulation; automatic repeat request; fading channels; mobile communication; ARQ; Nakagami fading channels; adaptive modulation systems; error free reception; Adaptive systems; Automatic repeat request; Downlink; Fading; Feedback; Intensity modulation; Mobile communication; Performance analysis; Radio transmitters; Throughput;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2003. PIMRC 2003. 14th IEEE Proceedings on
Print_ISBN :
0-7803-7822-9
DOI :
10.1109/PIMRC.2003.1264251
