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A distributed IBFD MAC mechanism and non-saturation throughput analysis for wireless networks

机译：无线网络的分布式IBFD MAC机制和非饱和吞吐量分析

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In In-band Full-duplex (IBFD) wireless networks, the RTS/CTS mechanism is unable to establish an asymmetric dual link and to recognize the transmission mode of communication nodes to capture more opportunities of IBFD transmission, which limits total network throughput. In this paper, we propose a novel distributed IBFD MAC mechanism to establish symmetric/asymmetric dual link in wireless networks. Here we fully consider the two modes of asymmetric dual transmission. By medium access, the neighbors of communication nodes can clearly know network transmission status, which will provide extra opportunities of asymmetric IBFD dual communication. Finally, we develop a Markov model to characterize the non-saturation throughput of our proposed mechanism in IBFD wireless networks. The numerical results show that the throughput of IBFD network with our scheme nearly doubles that of HD network with RTS/CTS. Moreover, the non-saturation degree of the network has little influence on the throughput of our mechanism.
机译：在带内全双工（IBFD）无线网络中，RTS / CTS机制无法建立不对称的双链路，也无法识别通信节点的传输模式来捕获IBFD传输的更多机会，从而限制了总网络吞吐量。在本文中，我们提出了一种新颖的分布式IBFD MAC机制，用于在无线网络中建立对称/非对称双链路。在这里，我们充分考虑非对称双重传输的两种模式。通过介质访问，通信节点的邻居可以清楚地知道网络传输状态，这将提供非对称IBFD双重通信的额外机会。最后，我们开发了一个马尔可夫模型来表征我们提出的机制在IBFD无线网络中的非饱和吞吐量。数值结果表明，采用我们的方案的IBFD网络的吞吐量几乎是采用RTS / CTS的HD网络的吞吐量的两倍。此外，网络的非饱和度对我们机制的吞吐量几乎没有影响。

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