New approach for improving throughput in multi-channel packet radio systems  

作　　者：Su Pan Shengmei Liu 

机构地区：[1]College of Telecommunications and Information Engineering,Nanjing University of Posts and Telecommunications, Nanjing 210003, P. R. China

出　　处：《Journal of Systems Engineering and Electronics》2010年第2期180-185,共6页系统工程与电子技术（英文版）

基　　金：supported by the National Basic Research Program of China(973 Program)(2007CB310607);the National Natural Science Foundation of China(60772061);the Natural Science Foundation for the Universities in Jiangsu Province(06KJB510078;06KJA51001)

摘　　要：A new approach for improving the throughputs of multi- channel packet radio systems is proposed. Based on the charac- teristics of multi-code CDMA technology, the scheme factitiously improves the transmission bit rate of a terminal by compressing the packet transmission time and thereby increases the number of the orthogonal spreading codes used by the terminal. By this means, the average interference level of the system is reduced and the system capacity is improved. Simulation results show that the proposed scheme exhibits larger throughput compared with the traditional multi-code CDMA slotted Aloha systems.A new approach for improving the throughputs of multi- channel packet radio systems is proposed. Based on the charac- teristics of multi-code CDMA technology, the scheme factitiously improves the transmission bit rate of a terminal by compressing the packet transmission time and thereby increases the number of the orthogonal spreading codes used by the terminal. By this means, the average interference level of the system is reduced and the system capacity is improved. Simulation results show that the proposed scheme exhibits larger throughput compared with the traditional multi-code CDMA slotted Aloha systems.

关 键 词：packet radio MULTI-CHANNEL THROUGHPUT MAC 

分 类 号：TN927.2[电子电信—通信与信息系统] TP274.2[电子电信—信息与通信工程]