OPTIMUM TRANSMISSION RANGES IN A DIRECT-SEQUENCE SPREAD-SPECTRUM MULTIHOP PACKET RADIO NETWORK

被引：312

作者：

SOUSA, ES ^{[1
]}

SILVESTER, JA ^{[1
]}

机构：

[1] UNIV SO CALIF,INST COMMUN SCI,DEPT ELECT ENGN,DIV COMP ENGN,LOS ANGELES,CA 90089

来源：

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | 1990年 / 8卷 / 05期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1109/49.56383

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：

In this paper, we obtain the optimum transmission ranges to maximize throughput for a direct-sequence spread-spectrum multihop packet radio network. In the analysis, we model the network self-interference as a random variable which is equal to the sum of the interference power of all other terminals plus background noise. The model is applicable to other spread spectrum schemes where the interference of one user appears as a noise source with constant power spectral density to the other users. The network terminals are modeled as a random Poisson field of interference power emitters. The statistics of the interference power at a receiving terminal are obtained and show to be the stable distributions of a parameter that is dependent on the propagation power loss law. The optimum transmission range in such a network is of the form CKα where C is a constant, K is a function of the processing gain, the background noise power spectral density, and the degree of error-correction coding used, and α is related to the power loss law. The results obtained can be used in heuristics to determine optimum routing strategies in multihop networks. © 1990 IEEE

引用

页码：762 / 771

页数：10

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