GRT-duplex: A Novel SDR Platform for Full-Duplex WiFi |
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| Authors: | Haoyang?Wu Email author" target="_blank">Tao?WangEmail author Jiahua?Chen Sanjun?Liu Shuyi?Tian Songwu?Lu Meng?Ma Lingyang?Song Bingli?Jiao |
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| Affiliation: | 1.Center for Energy-efficient Computing and Applications,Peking University,Beijing,China;2.Collaborative Innovation Center of High Performance Computing, NUDT,Changsha,China;3.Institute of Advanced Communications,Peking University,Beijing,China;4.Department of Computer Science,UCLA,Los Angeles,USA |
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| Abstract: | Full-duplex wireless communication enables concurrent transmission and reception over the same radio channel. It thus achieves higher efficiency in spectrum utilization compared with its half-duplex counterpart. In recent years, researchers have built several platforms for full-duplex wireless communications. However, none of these platforms provides full support for full-duplex WiFi, arguably the most popular wireless local-area networking technology. In this paper, we present GRT-duplex, a novel full-duplex wireless platform for the WiFi family, which possesses both flexibility and real-time features. We have also prototyped a full-duplex WiFi instance on this platform, which delivered throughput up to 92.45Mbps, and the frame interaction intervals can be as small as 9.85us. |
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