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A Distributed Multi-Channel Feedbackless MAC Protocol for D2D Broadcast Communications

机译:用于D2D广播通信的分布式多通道无反馈MAC协议

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摘要

In Device-to-Device (D2D) broadcast communications, the design of Medium Access Control (MAC) protocol is quite challenging since it is urged on alleviating data collision under the constraints of no feedback messages, no central coordination, and half-duplex transmission. We propose a multi-channel MAC protocol for data channel competition. Theoretical and simulation results show that this protocol resolves all channel collisions in only a few iterations. Moreover, the collision resolution time is dominated by the number of channels, rather than the number of D2D transmitters. Thus, even in scenarios with densely-distributed D2D devices, the proposed protocol can guarantee short collision resolution time.
机译:在设备到设备(D2D)广播通信中,介质访问控制(MAC)协议的设计颇具挑战性,因为它被迫在无反馈消息,无中央协调和半双工传输的约束下缓解数据冲突。 。我们提出了一种用于数据通道竞争的多通道MAC协议。理论和仿真结果表明,该协议仅需几次迭代即可解决所有通道冲突。而且,冲突解决时间由通道数量而不是D2D发射机数量决定。因此,即使在具有密集分布的D2D设备的情况下,所提出的协议也可以保证较短的冲突解决时间。

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