Harnessing Hardware Defects For Improving Wireless Link Performance: Measurements And Applications
IEEE INFOCOM 2017 - IEEE CONFERENCE ON COMPUTER COMMUNICATIONS(2017)
摘要
The design trade-offs of transceiver hardware are crucial to the performance of wireless systems. In this paper, we present an in-depth study to characterize the surprisingly notable systemic impacts of low-pass filter (LPF) design, which is a small yet indispensable component used for shaping spectrum and rejecting interference. Using a bottom-up approach, we examine how signal-level distortions caused by the trade-off of LPF design propagate to the upper-layers of wireless communication, reshaping bit error patterns and degrading link performance of today's 802.11 systems. Moreover, we propose a novel algorithm that harnesses LPF defects for improving video streaming, which substantially enhances video quality in mobile environments.
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关键词
hardware defects,video streaming,802.11 systems,LPF defects,bit error patterns,wireless communication,LPF design propagate,signal-level distortions,rejecting interference,shaping spectrum,low-pass filter design,in-depth study,wireless systems,transceiver hardware,design trade-offs,wireless link performance
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