Title :
Optimization of the Fast Retrial Algorithm in OFDMA Wireless Networks
Author :
Huang, Weixuan ; Choi, Jinho
Author_Institution :
Univ. of Wales, Swansea
Abstract :
Random access strategies have been applied to various wireless systems for a long time. Recently, the fast retrial algorithm has been proposed to improve the performance of random access in orthogonal frequency-division multiple access (OFDMA) system. This paper studies the performance of the OFDMA system with the fast retrial algorithm when the number of subchannels can be adjustable depending on traffics, and also the relationship between the number of subchannels and throughput of each subchannel.
Keywords :
frequency division multiple access; wireless channels; OFDMA wireless networks; orthogonal frequency-division multiple access system; random access strategies; retrial algorithm; subchannels number; Bandwidth; Channel allocation; Intersymbol interference; Local area networks; Multiaccess communication; Next generation networking; OFDM; Time division multiple access; Wireless LAN; Wireless networks;
Conference_Titel :
Wireless and Optical Communications Networks, 2007. WOCN '07. IFIP International Conference on
Conference_Location :
Singapore
Print_ISBN :
1-4244-1005-3
Electronic_ISBN :
1-4244-1005-3
DOI :
10.1109/WOCN.2007.4284160
