Concurrent Transmission Aware Routing in Wireless Networks
Concurrent Transmission Aware Routing in Wireless Networks
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DOI：
10.1109/tcomm.2018.2859927
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发表时间：
2018-12
影响因子：
8.3
通讯作者：
Shuai Wang;S. Kim;L. Kong;T. He
中科院分区：
文献类型：
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作者：
Shuai Wang;S. Kim;L. Kong;T. He
最近能够解码多数据包冲突的物理层设计展示了提高网络性能的巨大潜力。然而，当前的网络协议定制了传统的物理层以避免冲突，因此无法充分利用并发传输技术的优势。在本文中，我们提出了一种创新的通用并发传输感知路由设计，称为 mShare。 mShare 设计通过调度并发发送器并行利用共同拥有的接收器来利用这些技术的优点。这种设计显着增加了可用的路由选择数量，从而提高了网络性能。为了说明我们设计的多功能性，我们在三种设置中测试 mShare：单播、机会路由和数据收集 (convergecast)。 mShare 的性能通过在 USRP 上运行的物理测试台实验和模拟进行评估。实验结果表明，与传统设计相比，mShare： 1）单播吞吐量提升277%； 2) 节省了78%的机会路由传输； 3) 减少70%的数据收集传输延迟。
Recent physical-layer designs capable of decoding multi-packet collisions demonstrate great potential for improving the network performance. Current network protocols, however, tailor the traditional physical layer to avoid collisions and thus cannot fully exploit the benefits of concurrent transmission techniques. In this paper, we propose an innovative generic concurrent transmission aware routing design called mShare. The mShare design exploits the benefits of these techniques by scheduling concurrent senders to utilize co-owned receiver(s) in parallel. This design significantly increases the available number of routing choices and thus improves the network performance. To illustrate the versatility of our design, we test mShare in three settings: unicast, opportunistic routing, and data collection (convergecast). The performance of mShare is evaluated with physical testbed experiments running on USRP and simulations. The experimental results show that compared to conventional designs, mShare: 1) improves 277% of the throughput in unicast; 2) saves 78% of transmissions in opportunistic routing; and 3) reduces 70% of the delivery delay in data collection.