MIMO Ad Hoc 网络中一种新的流控多址接入协议

doi:10.3969/j.issn.1000-3428.2015.06.018

计算机工程

MIMO Ad Hoc 网络中一种新的流控多址接入协议

陈曙光¹,张延康 ²,张　珍³

(1. 阜阳师范学院物理与电子工程学院,安徽阜阳236041; 2. 中国石化胜利油田管理局胜利发电厂,山东东营257087; 3. 西安电子科技大学综合业务网理论及关键技术国家重点实验室,西安710071)

收稿日期:2015-01-23 出版日期:2015-06-15 发布日期:2015-06-15
作者简介:陈曙光(1966 - ),男,副教授,主研方向:物联网,短距离无线通信;张延康,高级工程师;张　珍,硕士研究生。
基金资助:
国家自然科学基金资助项目(61271195);安徽省科技计划基金资助项目(12010302080)。

A Novel Stream Control Multiple Access Protocol in MIMO Ad Hoc Network

CHEN Shuguang¹,ZHANG Yankang ²,ZHANG Zhen ³

(1. School of Physics and Electronic Engineering,Fuyang Teachers College,Fuyang 236041,China; 2. Shengli Power Plant,Chinese Sinopec Shengli Petroleum Administration,Dongying 257087,China; 3. State Key Laboratory of Integrated Service Networks,Xidian University,Xi’an 710071,China)

Received:2015-01-23 Online:2015-06-15 Published:2015-06-15

摘要/Abstract

摘要：

针对PRP-MAC 协议中分组冲突导致网络吞吐量减小的问题,提出一种带有冲突避免机制的流控多址接入协议SCMA-CA。该协议可用于MIMO Ad Hoc 网络,其在PRP-MAC 定义的控制分组基础上,新增CTS 分组类型,并利用MIMO 技术的流控能力实现冲突避免和最大化数据流数目。仿真结果表明,SCMA-CA 协议不仅可避免发送节点数增加时控制分组和数据分组的冲突,提高网络吞吐量,同时又适用于天线多样化的环境,能有效增强网络性能。

关键词: 多输入多输出, Ad Hoc 网络, 流控增益, 多址接入, 冲突避免

Abstract:

Considering the throughput reduction caused by the packet collision of the PRP-MAC,a novel Stream Control Multiple Access Protocol with Collision Avoidance (SCMA-CA) protocol for Multiple Input Multiple Output (MIMO) Ad Hoc network is proposed in this paper. Based on the control packets defined in PRP-MAC,SCMA-CA introduces a new type of Clear to Send(CTS) packet,implements collision avoidance and maximizes stream number by employing MIMO technology. The simulations are conducted to evaluate the performance of the proposed protocol. The results show that SCMA-CA can effectively eliminate collisions between control packets and data packets when transmitters increasing in the network. Other than the network throughput improvement,SCMA-CA can also be applied in antenna-heterogeneous environments,which enhances the proposal’s applicability.

Key words: Multiple Input Multiple Output ( MIMO ), Ad Hoc network, stream control gain, multiple access, collision avoidance

中图分类号:

TN915. 4

陈曙光,张延康,张珍. MIMO Ad Hoc 网络中一种新的流控多址接入协议[J]. 计算机工程, doi: 10.3969/j.issn.1000-3428.2015.06.018.

CHEN Shuguang,ZHANG Yankang,ZHANG Zhen. A Novel Stream Control Multiple Access Protocol in MIMO Ad Hoc Network[J]. Computer Engineering, doi: 10.3969/j.issn.1000-3428.2015.06.018.

http://www.ecice06.com/CN/Y2015/V41/I6/96

参考文献

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