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Spoofing Uplink Spatial Multiplexing With Diverse Spectrum

机译:频谱欺骗欺骗上行空间复用

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摘要

While 802.11 access points (APs) can have as many as eight antennas, form factor constraints often limit mobile clients to a single antenna, thereby precluding spatial multiplexing. In this paper, we design, implement, and experimentally evaluate diverse spectrum spatial multiplexing (DSSM), the first system to enable 802.11 standard-compliant uplink spatial multiplexing for clients with a single Wi-Fi antenna. We show how to spoof an un-modified AP for reception of data from a DSSM transmitter that employs diverse spectrum to realize a virtual array with nearby devices. We implement and experimentally evaluate DSSM on a software-defined-radio platform. We demonstrate that DSSM communicates with and spoofs an off-the-shelf MIMO receiver. We demonstrate multiplexing gains that increase PHY throughput from 6.5 Mb/s for BPSK 1/2 rate coding to 259 Mb/s for with 64-QAM 5/6.
机译:尽管802.11接入点(AP)最多可以具有八个天线,但外形尺寸限制通常将移动客户端限制为单个天线,从而排除了空间复用的可能性。在本文中,我们设计,实施和实验评估了多种频谱空间复用(DSSM),这是第一个为具有单个Wi-Fi天线的客户端启用802.11标准的上行链路空间复用的系统。我们展示了如何欺骗未经修改的AP来接收来自DSSM发射机的数据,该DSSM发射机使用多种频谱来实现与附近设备的虚拟阵列。我们在软件定义的无线电平台上实施和实验评估DSSM。我们证明了DSSM与现成的MIMO接收器进行通信并欺骗。我们展示了将PHY吞吐量从BPSK 1/2速率编码的6.5 Mb / s增加到64-QAM 5/6的259 Mb / s的复用增益。

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