High Efficient Dual-Channel MAC Protocol based on Relay for Terahertz Networks

YAO Yu-kun; ZHAO Zi-jun; LI Qi-chao; WANG Lei

doi:10.13756/j.gtxyj.2020.01.011

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High Efficient Dual-Channel MAC Protocol based on Relay for Terahertz Networks

- High Efficient Dual-Channel MAC Protocol based on Relay for Terahertz Networks
- Study on Optical communication Issue 1, Pages: 58-65(2020)
- 作者机构：
  
  重庆邮电大学通信与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.01.011
  CLC： TN929.5
- Published：2020，
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[1]姚玉坤,赵子军,李其超,王磊.太赫兹网络中基于中继的高效双信道MAC协议[J].光通信研究,2020(01):58-65.

YAO Yu-kun, ZHAO Zi-jun, LI Qi-chao, et al. High Efficient Dual-Channel MAC Protocol based on Relay for Terahertz Networks. [J]. (1):58-65(2020)
[1]姚玉坤,赵子军,李其超,王磊.太赫兹网络中基于中继的高效双信道MAC协议[J].光通信研究,2020(01):58-65. DOI： 10.13756/j.gtxyj.2020.01.011.

YAO Yu-kun, ZHAO Zi-jun, LI Qi-chao, et al. High Efficient Dual-Channel MAC Protocol based on Relay for Terahertz Networks. [J]. (1):58-65(2020) DOI： 10.13756/j.gtxyj.2020.01.011.

摘要

现有的太赫兹无线个域网双信道介质访问控制（MAC）协议工作在WiFi和太赫兹信道。由于这两种信道的频率相差极大

导致使用全向天线和定向天线的覆盖范围各不相同

这样便会使节点之间的消息传输成功率大大降低

同时也降低了网络整体的吞吐量。另外

在现有的太赫兹无线网络双信道MAC协议中还存在一定的冗余控制开销

这导致了信道利用率低。基于此

文章提出一种太赫兹无线网络中基于中继的高效双信道MAC协议（HE-BRMAC）

HE-BRMAC分为中继辅助和自适应减少控制开销机制。通过这两种机制可达到提高消息传输成功率、提升网络整体吞吐量、减少控制开销和提高信道利用率的效果

尤其当节点数较多时

HE-BRMAC的效果更为显著。

Abstract

The existing Terahertz wireless personal area network dual-channel Media Access Control（MAC） protocol works in WiFi channel and Terahertz channel. Due to the great difference in frequency between the two channels

the coverage of omnidirectional antenna and directional antenna is different

which will greatly reduce the success rate of message transmission among nodes and the throughput of the network as a whole. In addition

in the existing dual-channel MAC protocol of Terahertz wireless personal area network

there is some redundant control overhead

which leads to low channel utilization. This paper proposes a High Efficient Dual-Channel MAC Protocol Based on Relay（HE-BRMAC）in Terahertz wireless personal area network. The HE-BRMAC is divided into relay auxiliary mechanism and adaptive control cost reduction mechanism. Through adaptive control cost reduction mechanism

the control frame is more compact. In this way

the success rate of message transmission can be improved

and the overall throughput of the network can be improved. Moreover

the control overhead can be reduced

and the channel utilization can be improved. It is noted that when the number of nodes is large

HE-BRMAC has more significant effect.

关键词

太赫兹双信道介质访问控制协议中继

Keywords

Terahertzdual-channelMAC protocolrelay

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Chongqing Key Laboratory of Mobile Communication Technology, Chongqing University of Posts & Telecommunications

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