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On Medium Access Control for Multi-hop Wireless Networks with Directional Antennas

机译：定向天线的多跳无线网络的媒体访问控制研究

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摘要

In this paper, we focus on medium access control (MAC) for multi-hop wireless networks with directional antennas.Specifically, we explore the location-dependent carrier sensing problem and the interference problem caused by minor lobes of the antennas. Existing solutions to directional MAC problems rarely account for the impact of minor lobes and typically assume the neighboring nodes' locations are known a priori. As a result, they are not applicable to practical systems. In this paper, we propose a new directional MAC protocol for multi-hop wireless networks.This mechanism is designed to reduce the interference among neighboring nodes and to increase the network throughput. The performance of the proposed mechanism is evaluated via ns2 simulations. The results show that our mechanism outperforms existing solutions in terms of higher throughput and lower delay.
机译：本文着重研究带方向性天线的多跳无线网络的媒体访问控制（MAC），特别是探讨与位置有关的载波侦听问题以及由天线微小波瓣引起的干扰问题。现有的针对方向性MAC问题的解决方案很少考虑次要瓣的影响，并且通常假设先验已知相邻节点的位置。结果，它们不适用于实际系统。在本文中，我们为多跳无线网络提出了一种新的定向MAC协议，旨在减少相邻节点之间的干扰并提高网络吞吐量。通过ns2仿真评估了所提出机制的性能。结果表明，我们的机制在更高的吞吐量和更低的延迟方面优于现有解决方案。

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