[1]丁璐 刘峰 林琼洁.无线Mesh网络中的多约束QoS路由算法[J].计算机技术与发展,2011,(05):83-86.
 DING Lu,LIU Feng,LIN Qiong-jie.A Multi-Constrained QoS Routing Protocol in Wireless Mesh Networks[J].,2011,(05):83-86.
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无线Mesh网络中的多约束QoS路由算法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年05期
页码:
83-86
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
A Multi-Constrained QoS Routing Protocol in Wireless Mesh Networks
文章编号:
1673-629X(2011)05-0083-04
作者:
丁璐 刘峰 林琼洁
南京邮电大学图像处理与图像通信江苏省重点实验室
Author(s):
DING Lu LIU Feng LIN Qiong-jie
Image Processing and Image Communication Laboratory of Jiangsu Province, Nanjing Univ. of Posts and Telecommunications
关键词:
无线Mesh网络多约束路由协议QoS
Keywords:
wireless mesh network multi-constrained routing protocol QoS
分类号:
TP393
文献标志码:
A
摘要:
无线Mesh网络中多媒体数据的实时传输应用日益广泛,这些应用对网络的带宽、时延和抖动有着较高要求,需要无线Mesh网络提供一定的QoS保障机制。QoS路由是实现QoS保障的关键环节。在路由协议AODV的基础上,提出了一种具有多个QoS参数约束的路由算法(MQ-AODV),通过改进路由选择函数及扩展路由维护机制,为多媒体传输应用业务提供QoS保障。在路由发现的过程中,MQ-AODV引入了一个归一化的路由选择函数,简化了多约束路由算法中的NP—complete问题。在路由维护方面,提出了一种路由预先修复机制,在数据流传输过程中保障路径质量。仿真结果表明,MQ—AODV算法比AODV更好地减少了数据流传输的延迟和丢包,有效提高了网络的吞吐量
Abstract:
Wireless Mesh Networks(WMN) are increasingly used for real time transport of multimedia data. Real-time applications have high requirements on bandwidth, delay, jitter etc, which requires WMN to support QoS. QoS routing is crucial in providing QoS guarantee. A multi-constrained QoS Routing Protocol (MQ-AODV) is proposed in this paper, which providing QoS for different applications in WMN. The new protocol expands both the routing discovery and routing repair mechanism of the AODV protocol. In the process of route discovery, MQ-AODV introduces a unified routing select function, simplifying the NP-complete problem in multi-constrained routing algorithm. In the aspect of route maintenance, presents a prerepair scheme to protect the quality of the path in the process of data flow transmission. The simulation results show that,compared to the traditional AODV protocol, the MQ-AODV protocol can better fulfill the delay and PER requirements of data flow, at the same time increases network throughput

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备注/Memo

备注/Memo:
江苏省高校重大基础研究项目(07KJA51006)丁璐(1987-),女,河南南阳人,硕士研究生,研究方向为无线Mesh网络中的QoS保障技术;刘峰,教授,主要从事图像处理与多媒体通信方面的教学和科研工作
更新日期/Last Update: 1900-01-01