Channel logical partitioning can better avoid the conflict and improve the agreement's efficiency. It has proved that double-channel access agreement efficient than the single-channel one by theory and simulation's test. And it will solve the exposed terminal problem. Proposed a design for new private multi-channel UWB MAC protocol applied distributed network in the background of UWB applied in wireless local network in this paper. This protocol nor only solve the hidden terminal and exposed terminal, but also distribute channels effectively and improve network performance.
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