载波侦听随机分组码分多址接入协议设计与簇内多址干扰性能分析

doi:10.3969/j.issn.1000-1093.2015.07.014

兵工学报 ›› 2015, Vol. 36 ›› Issue (7): 1256-1265.doi: 10.3969/j.issn.1000-1093.2015.07.014

载波侦听随机分组码分多址接入协议设计与簇内多址干扰性能分析

杜传报¹，全厚德¹，马万治²，崔佩璋¹，王晓明³

（1.军械工程学院信息工程系，河北石家庄 050003； 2.电子科技大学通信抗干扰技术国家重点实验室，四川成都 611731；

收稿日期:2014-07-07 修回日期:2014-07-07 上线日期:2015-09-21
作者简介:杜传报（1987—），男，博士研究生
基金资助:
国家自然科学基金项目（U1035002/L05）; 国家无线重大专项项目（2014ZX03003001-002）

Carrier Sense Random Packet Code Division Multiple Access Protocol and Its Intra-cluster Multiple Access InterferencePerformance Analysis

DU Chuan-bao¹, QUAN Hou-de¹, MA Wan-zhi², CUI Pei-zhang¹, WANG Xiao-ming³

(1.Department of Information Engineering, Ordnance Engineering College, Shijiazhuang 050003, Hebei, China;2.National Key Lab of Science and Technology on Communication, University of Electronic Science and Technology of China, Chengdu 611731, Sichuan, China;3.Unit 63981 of PLA, Wuhan 430000, Hubei, China)

Received:2014-07-07 Revised:2014-07-07 Online:2015-09-21

摘要/Abstract

摘要： 在战术应用场景下，面向某型电台的双通道网络组网方案能够有效地减小实际码分组网存在的码分资源浪费问题。为了提高双通道网络控制通道的抗干扰能力，引入随机分组码分多址技术，提出了载波侦听随机分组码分多址接入(CSRP-CDMA)协议。并建立了基于CSRP-CDMA的时隙扩频Ad Hoc网络理论分析模型，推导了分组传输成功概率和吞吐量表达式，分析了扩频增益、分组负荷和分组头长度比值以及接收信号信噪比等因子对吞吐量性能的影响。和适用于RP-CDMA的传统MAC协议做了网络性能仿真比较。理论数值和仿真结果显示，CSRP-CDMA协议性能明显优于传统协议，其归一化网络吞吐量理论值达到0.75，能够有效保证控制通道的资源利用率。

关键词: 通信技术, 扩频Ad Hoc网络, 码分多址接入, 多用户检测器, 多址干扰, 网络吞吐量

Abstract: In tactical scenarios, the dual-channel networking scheme designed for a certain type radio can solve the serious waste of code resource significantly, which is caused by the traditional code networking scheme. The random packet CDMA technology is used to enhance the anti-jamming capability of control channel of dual-channel networks, and a new MAC protocol, called carrier sense random packet CDMA, is proposed. A performance analytical model of slotted spread spectrum ad hoc networks based on CSRP-CDMA is established, which provides packet transmission success probability and expressions of network throughput. And the influences of the factors, such as spreading gain, packet header and payload ratio, received signal-noise ratio, on network performance are analyzed. Finally, CSRP-CDMA protocol is compared with the traditional MAC protocol for RP-CDMA by network simulator OPNET. Numerical and simulation results show that CSRP-CDMA protocol has higher network performance than the traditional MAC protocol, and the theoretical normalized network throughput value of CSRP-CDMA can reach 0.75 to guarantee the resource utilization of control channel effectively.

Key words: communication, spread spectrum Ad Hoc network, code division multiple access, multiple user detector, multi-access interference, network throughput

中图分类号:

TN929.5

杜传报，全厚德，马万治，崔佩璋，王晓明. 载波侦听随机分组码分多址接入协议设计与簇内多址干扰性能分析[J]. 兵工学报, 2015, 36(7): 1256-1265.

DU Chuan-bao, QUAN Hou-de, MA Wan-zhi, CUI Pei-zhang, WANG Xiao-ming. Carrier Sense Random Packet Code Division Multiple Access Protocol and Its Intra-cluster Multiple Access InterferencePerformance Analysis[J]. Acta Armamentarii, 2015, 36(7): 1256-1265.

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载波侦听随机分组码分多址接入协议设计与簇内多址干扰性能分析

Carrier Sense Random Packet Code Division Multiple Access Protocol and Its Intra-cluster Multiple Access InterferencePerformance Analysis

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