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Recent studies have found that using multiple channels can separate concurrent transmissions and significantly improve network throughput. However, these studies have only considered wireless nodes that are equipped with omni-directional antennas, which have high interference. On the other hand, other researchers have found that using directional antennas in wireless networks can reduce interference...
Dynamic channel assignment is attracting more and more attentions since it can greatly alleviate the problem of interference in wireless networks. Efficient broadcasting, however, is one of the main problems facing dynamic channel assignment. It is easy to send broadcast packets in a network that is always connected due to the broadcast property of wireless channel. The broadcast property, however,...
The capacity and flexibility of wireless mesh networks (WMNs) can be greatly improved by adopting dynamic channel assignment. However, dynamic channel assignment brings new challenges such as switching overheads and dependency problems. We propose a channel assignment protocol, called the hybrid channel assignment protocol (HCAP) for infrastructure WMNs (I-WMN). To find out a reasonable tradeoff between...
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