THE ALOHA SYSTEMS IN SHADOWED MOBILE RADIO CHANNELS WITH SLOW OR FAST FADING

被引：47
|
作者：
SHEIKH, AUH
YAO, YD
WU, XP
机构：
[1] SE UNIV,65R,NANJING,PEOPLES R CHINA
[2] CONCORDIA UNIV,ELECT ENGN,MONTREAL H3G 1M8,QUEBEC,CANADA
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 1990年 / 39卷 / 04期
关键词：
D O I：
10.1109/25.61350
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The throughput performance of ALOHA systems in mobile radio channels can be improved due to the capture phenomenon, meaning that the strongest packet may capture the receiver even in the presence of other overlapping packets. In this paper, the influence of receiver capture on the performance of ALOHA in the presence of shadowing is investigated. The combined effect of Rayleigh fading, log-normal shadowing, and spatial distribution of mobile users is also studied. The capture phenomenon results in substantial improvement in system throughput under slow fading. Under fast fading conditions, the throughput can also be increased especially when error-correction coding is used. © 1990, IEEE
引用
收藏
页码：289 / 298
页数：10
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