Orthogonal Array Based Topology Transparent MAC Protocol for MIMO Ad Hoc Networks

CHEN Dan; LIU Bu-hua; YAN Mao-de; LI Jian-dong; LI Chang-le

doi:10.3969/j.issn.0372-2112.2016.02.010

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Orthogonal Array Based Topology Transparent MAC Protocol for MIMO Ad Hoc Networks

更新时间：2025-07-16

- Orthogonal Array Based Topology Transparent MAC Protocol for MIMO Ad Hoc Networks
- Acta Electronica Sinica Vol. 44, Issue 2, Pages: 308-318(2016)
- 作者机构：
  
  1. 长安大学电子与控制工程学院,陕西,西安,710064
  2. 西安电子科技大学综合业务网络理论及关键技术国家重点实验室,陕西,西安,710071
  3. 长安大学电子与控制工程学院,陕西,西安,710064
  4. 西安电子科技大学综合业务网络理论及关键技术国家重点实验室,陕西,西安,710071
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61231008);Industrial Science and Technology Research and Development Project of Shaanxi Province (No.2014K05-59, No.2015GY033);Fundamental Research Funds for the Central Universities (No.2014G2320006, No.2014G3322008, No.310832151089)
- DOI：10.3969/j.issn.0372-2112.2016.02.010
  CLC： TN915.4
- Published Online：25 February 2016，
  
  Published：2016
- 稿件说明：
移动端阅览
CHEN Dan, LIU Bu-hua, YAN Mao-de, et al. Orthogonal Array Based Topology Transparent MAC Protocol for MIMO Ad Hoc Networks[J]. Acta Electronica Sinica, 2016, 44(2): 308-318.
DOI：

CHEN Dan, LIU Bu-hua, YAN Mao-de, et al. Orthogonal Array Based Topology Transparent MAC Protocol for MIMO Ad Hoc Networks[J]. Acta Electronica Sinica, 2016, 44(2): 308-318. DOI： 10.3969/j.issn.0372-2112.2016.02.010.

摘要

针对支持MIMO(Multiple Input Multiple Output)的Ad Hoc网络

提出了基于正交阵列的拓扑未知多址接入协议MIMO_O_TTMA(MIMO Supported Orthogonal Array Based Topology Transparent Multiple Access).协议利用正交阵列为节点分配若干时隙

在每个分配时隙中

节点通过与目的节点交互RTS/CTS(Request To Send/Clear To Send)分组来确定发送的数据流数

以机会地利用MIMO的空间复接来提升网络性能.MIMO_O_TTMA在保证节点在一帧内至少有一个时隙能够无干扰地传输的基础上

允许协议的帧长能在一定的范围内进行灵活选择

从而为协议性能的优化提供了更为有利的条件.为评估MIMO_O_TTMA的性能

利用概率方法分析了协议的吞吐量性能

数值结果表明

与已有拓扑未知MAC(Media Access Control)相比

MIMO_O_TTMA有效提升了网络吞吐量.

Abstract

An orthogonal array based topology transparent MAC(Media Access Control) protocol named MIMO_O_TTMA(MIMO Supported Orthogonal Array Based Topology Transparent Multiple Access) is proposed for MIMO(Multiple Input Multiple Output) Ad Hoc networks.The protocol utilizes the orthogonal arrays to assign slots for network nodes

in each assigned slot

the transmitters determine the number of streams to be used by exchanging the RTS/CTS(Request To Send/Clear To Send) packets with their destination nodes

in this way

the nodes can opportunistically use the spatial multiplexing(SM) of MIMO to enhance the network performances.In addition to ensuring at least one collision-free slot in a frame for each node

the MIMO_O_TTMA allows the frame length to be flexibly chosen in certain range

which provides favorable conditions for optimizing the protocol performances.To evaluate the performance the MIMO_O_TTMA

a probability method is used to analysis the throughput of the protocol.Numerical results show that

compared with the existing topology transparent MAC

MIMO_O_TTMA can effectively improves the network throughputs.

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