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首页> 外文会议>Sensor, Mesh and Ad Hoc Communications and Networks Workshops, 2009. SECON Workshops '09 >A Cross-Layer Architecture for Efficient Multi-Hop Communication in Multi-Channel Multi-Radio Wireless Mesh Networks
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A Cross-Layer Architecture for Efficient Multi-Hop Communication in Multi-Channel Multi-Radio Wireless Mesh Networks

机译：一种多通道多无线电无线网状网络中高效多跳通信的跨层体系结构

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摘要

Multi-radio multi-channel technology is a viable solution to increase the capacity of wireless mesh networks (WMNs). On the one hand, the interference can be reduced by tuning neighbouring nodes on different channels. On the other hand, multi-hop coordination schemes that exploit the presence of multiple radios can be deployed at the MAC layer. In this paper, we propose a novel cross-layer architecture that provides efficient end-to-end communication in multi-radio multi-channel WMNs. The proposed solution includes both a distributed channel assignment scheme integrated in the routing protocol and a multi-channel MAC protocol which implements a "cut-through" mechanism to reduce the multi-hop contention delay. The simulation results confirm that the proposed architecture produces lower end-to-end delay and MAC overhead in a chain topology, when compared with other existing multi-channel MAC solutions for WMNs.
机译：多无线电多信道技术是增加无线网状网络（WMN）容量的可行解决方案。一方面，可以通过调整不同信道上的相邻节点来减少干扰。另一方面，可以在MAC层上部署利用多个无线电的存在的多跳协调方案。在本文中，我们提出了一种新颖的跨层体系结构，该体系结构可在多无线电多信道WMN中提供有效的端到端通信。所提出的解决方案包括集成在路由协议中的分布式信道分配方案和实现“直通”机制以减少多跳竞争延迟的多信道MAC协议。仿真结果证实，与用于WMN的其他现有多通道MAC解决方案相比，所提出的体系结构在链拓扑结构中产生了更低的端到端延迟和MAC开销。

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