INTERFERENCE MODELING IN A DIRECT-SEQUENCE SPREAD-SPECTRUM PACKET RADIO NETWORK

被引：44

作者：

SOUSA, ES

机构：

[1] Department of Electrical Engineering, University of Toronto, Toronto, Ont.

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 1990年 / 38卷 / 09期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1109/26.61388

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：

A technique to characterize multiuser interference and background noise in a direct-sequence spread-spectrum network is introduced, and packet error probabilities are calculated. The multiuser interference over a packet in the network is modeled as a compound Gaussian multivariate random variable for moderate to large values of the processing gain. The conditional variance is dependent on the number of users and their interference powers. The best performance results, in terms of the expected total interference power, are obtained for the case of a large number of interferers with comparable interference powers. Modifications to the basic direct-sequence scheme that improve performance in the case of one strong interferer are suggested. © 1990 IEEE

引用

页码：1475 / 1482

页数：8

共 13 条

[1] ON A CLASS OF PROCESSES ARISING IN LINEAR ESTIMATION THEORY [J].