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首页> 外文期刊>Journal of High Speed Networks >CA-BMAC: A collision avoidance multi-channel broadcast MAC protocol with a mechanism for reducing transmission overhead
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CA-BMAC: A collision avoidance multi-channel broadcast MAC protocol with a mechanism for reducing transmission overhead

机译：CA-BMAC：避免冲突的多信道广播MAC协议，具有减少传输开销的机制

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摘要

In multi-channel WLANs, the MAC protocol allocates a channel to each transmission pair while avoiding interference. In the channel allocation phase, if the MAC protocol allocates one channel iteratively to multiple narrowly spaced transmission pairs, both channel utilization and network throughput can be improved. However, such an approach leads to traffic overload; thus, if a transmission takes place over a transmission channel, the number of terminals that can receive the transmission decreases. B-MAC, a multi-channel MAC protocol designed for broadcast, starts a new broadcast transmission after waiting for a certain period of time; however, this waiting time increases the transmission overhead and degrades channel utilization. In this paper, we propose CA-BMAC, a new multi-channel MAC protocol that reduces the waiting time associated with B-MAC, and thus, the transmission overhead. Performance evaluations of the proposed protocol clarify its advantages over B-MAC.
机译：在多通道WLAN中，MAC协议在避免干扰的同时为每个传输对分配了一个通道。在信道分配阶段，如果MAC协议将一个信道迭代分配给多个窄间隔的传输对，则可以提高信道利用率和网络吞吐量。但是，这种方法导致流量过载。因此，如果在传输信道上进行传输，则可以接收传输的终端数量减少。 B-MAC是为广播而设计的多通道MAC协议，它在等待一段时间后开始新的广播传输。但是，该等待时间增加了传输开销并降低了信道利用率。在本文中，我们提出CA-BMAC，这是一种新的多通道MAC协议，可以减少与B-MAC相关的等待时间，从而减少传输开销。对所提出协议的性能评估明确了它相对于B-MAC的优势。

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