This paper introduces an end-to-end untethered VR system design
\nand open platform that can meet virtual reality latency and quality
\nrequirements at 4K resolution over a wireless link. High-quality
\nVR systems generate graphics data at a data rate much higher than
\nthose supported by existing wireless-communication products such
\nas Wi-Fi and 60GHz wireless communication. The necessary image
\nencoding, makes it challenging to maintain the stringent VR latency
\nrequirements. To achieve the required latency, our system employs a
\nParallel Rendering and Streaming mechanism to reduce the add-on
\nstreaming latency, by pipelining the rendering, encoding, transmission
\nand decoding procedures. Furthermore, we introduce a Remote
\nVSync Driven Rendering technique to minimize display latency. To
\nevaluate the system, we implement an end-to-end remote rendering
\nplatform on commodity hardware over a 60Ghz wireless network.
\nResults show that the system can support current 2160×1200 VR
\nresolution at 90Hz with less than 16ms end-to-end latency, and
\n4K resolution with 20ms latency, while keeping a visually lossless
\nimage quality to the user.<\/p>\n","protected":false},"excerpt":{"rendered":"
This paper introduces an end-to-end untethered VR system design and open platform that can meet virtual reality latency and quality requirements at 4K resolution over a wireless link. High-quality VR systems generate graphics data at a data rate much higher than those supported by existing wireless-communication products such as Wi-Fi and 60GHz wireless communication. 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