Two-stage coordination multi-radio multi-channel mac protocol for wireless mesh networks
Bingxuan Zhao, Shigeru Shimamoto

TL;DR
This paper introduces a two-stage coordination MAC protocol for wireless mesh networks that improves throughput, reduces delay, balances load, and saves energy by dynamically allocating channels and managing network resources.
Contribution
It proposes a novel two-stage coordination MAC protocol with load balancing, dynamic channel allocation, and energy-saving mechanisms for enhanced wireless mesh network performance.
Findings
Higher throughput than conventional schemes
Lower end-to-end packet delay
Effective load balancing and energy savings
Abstract
Within the wireless mesh network, a bottleneck problem arises as the number of concurrent traffic flows (NCTF) increases over a single common control channel, as it is for most conventional networks. To alleviate this problem, this paper proposes a two-stage coordination multi-radio multi-channel MAC (TSC-M2MAC) protocol that designates all available channels as both control channels and data channels in a time division manner through a two-stage coordination. At the first stage, a load balancing breadth-first-search-based vertex coloring algorithm for multi-radio conflict graph is proposed to intelligently allocate multiple control channels. At the second stage, a REQ/ACK/RES mechanism is proposed to realize dynamical channel allocation for data transmission. At this stage, the Channel-and-Radio Utilization Structure (CRUS) maintained by each node is able to alleviate the hidden nodes…
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Taxonomy
TopicsMobile Ad Hoc Networks · Wireless Networks and Protocols · Opportunistic and Delay-Tolerant Networks
