认知无线Mesh网络跨层设计研究

doi:10.3969/j.issn.1000-0801.2011.02.011

摘要/Abstract

摘要：

传统网络的分层设计不能满足具有特殊QoS需求的无线宽带业务，无法应对动态频谱接入的无线通信环境。采用联合开放、架构灵活的跨层设计研究无线Mesh网络接入技术日渐成为热点。本文首先介绍了跨层设计的起源、分类，然后分析了认知无线Mesh网络跨层研究的挑战、难点及最新进展，并提出利用跨层设计实现路由及频谱管理的一种构想，最后展望了认知无线Mesh网络跨层研究的新方向。

关键词: 跨层设计, 无线Mesh网, 认知无线电, 频谱分配, QoS路由

Abstract:

While the traditional layered architecture can't cope with the unique desire for QoS of the wireless broadband service,given the flexible openly jointly cross-layer design, the pace to the wireless mesh networks access technology is tracing on. The paper dates from the original and classes of the cross-layer design. Secondly, after introducing the latest research and analyzing some tactics and challenges, a brand new cross-layer methodology solution to spectrum access and route combination design in the context of cognitive radio wireless mesh networks is proposed, for which the road ahead is highlighted finally.

Key words: cross-layer design, wireless mesh network, cognitive radio, spectrum share, QoS routing

匡为君,张静,陈迎春,件国锋. 认知无线Mesh网络跨层设计研究[J]. 电信科学, 2011, 27(2): 62-67.

Weijun Kuang,Jing Zhang,Yingchun Chen,Guofeng Wu. Research on Cross-Layer Design for Cognitive Wireless Mesh Networks[J]. Telecommunications Science, 2011, 27(2): 62-67.

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参考文献	分类
参考文献	涉及相关分层	设计耦合关系	涉及路由算法	涉及频谱（信道）分配策略	QoS设计要求及其他性能改进
3	MAC、IP、APL	图1（c）	是	否	吞吐量、端到端时延
4	DLC、IP、TPL	图1（b）	是	否	提高网络吞吐量
5	DLC、IP、TPL	图1（b）	是	否	降低端到端时延、平衡负载
6	MAC、IP	图1（d）	是	否	提升网络吞吐量
7	PHY、MAC	图1（d）	否	否	降低时延、抖动、分组丢失率
8	DLC、IP	图1（d）	是	否	提升网络吞吐量
9	MAC、IP	图1（d）	是	是	降低端到端时延，区分QoS服务
10	MAC、IP、TPL	图1（f）	是	是	减轻干扰与公平分配
11	MAC、IP、TPL、APL	图1（f）	是	是	时延、吞吐量、误码率

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