[1]雷 琼.基于能量效率的多跳认知无线电网络路由算法[J].机械与电子,2016,(12):42-46.
　LEI Qiong.Energy Efficiency Based Routing Algorithm for Multi-hop Cognitive Radio Networks[J].Machinery & Electronics,2016,(12):42-46.
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基于能量效率的多跳认知无线电网络路由算法
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2016年12期
页码:
42-46
栏目:
机电一体化技术
出版日期:
2016-12-20

文章信息/Info

Title:
Energy Efficiency Based Routing Algorithm for Multi-hop Cognitive Radio Networks
文章编号:
1001-2257(2016)12-0042-05
作者:
雷 琼
(陕西工业职业技术学院,陕西 咸阳 712000)
Author(s):
LEI Qiong
(Shaanxi Polytechnic Institute, Xianyang 712000, China)
关键词:
多跳认知无线电网络;  信道选择;  路由算法;  能量效率;  能量均衡
Keywords:
multi-hop cognitive radio networks;  channel selection;  routing algorithm;  energy efficiency
分类号:
TP393
文献标志码:
A
摘要:
由于未授权频段变得过于拥挤,采用该频段通信的自组织网络通信受到极大的干扰,导致丢包率增加,节点能量效率下降。在多跳认知无线电网络中次用户能够机会式接入授权频段实现数据通信,提出一种新的路由算法来提高多跳认知无线电网络的能量效率。该算法选择丢包率低且剩余能量高的节点作为中继节点,并且在非授权信道丢包率过高时接入到具有最大持续空闲时间的授权信道进行数据传输。实验表明,该算法有效提高了节点及网络的能量效率,并保证了节点间的能量均衡,避免个别节点过早“死亡”。
Abstract:
Due to licensed-free channels becoming increasingly crowded, ad hoc networks operating in these channels suffer from serious interference and increasing packet loss rate, resulting in low energy efficiency. In multi-hop cognitive radio networks, secondary users can access licensed channels opportunistically. Therefore, a new routing algorithm was proposed to improve the energy efficiency of the network. In the proposed algorithm, it selected the neighboring node with low packet loss rate and high residual energy as the relay node. Furthermore, if the packet loss rate of unlicensed channel was too high, it would choose an accessible licensed channel which had maximum available time to transmit data. The experiment results showed that the proposed algorithm did improve the energy efficiency of nodes and the network, and it also made an energy balance among nodes so as to avoid“premature death” of nodes.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-09-30
作者简介:雷 琼(1983-),女,陕西咸阳人,硕士,讲师,研究方向为通信工程。
更新日期/Last Update: 1900-01-01