Abstract
In order to enhance the user experience of virtual reality (VR) devices, multi-user VR environments and wireless connections should be considered for next-generation VR devices. Wireless local area network (WLAN)-based wireless communication devices are popular consumer devices with high throughput and low cost using unlicensed bands. However, the use of WLANs may cause delays in packet transmission, owing to their distributed nature while accessing the channel. In this paper, we carefully examine the feasibility of wireless VR over WLANs, and we propose an efficient wireless multiuser VR communication architecture, as well as a communication scheme for VR. Because the proposed architecture in this paper utilizes multiple WLAN standards, based on the characteristics of each set of VR traffic, the proposed scheme enables the efficient delivery of massive uplink data generated by multiple VR devices, and provides an adequate video frame rate and control frame rate for high-quality VR services. We perform extensive simulations to corroborate the outstanding performance of the proposed scheme.
Highlights
Network operators and system administrators are interested in the mixture of traffic carried in their networks for several reasons
Virtual reality (VR) videos that are generated by a VR personal computers (PCs) are delivered to a VR access point (AP), and the convergence layer in the VR AP determines the transmission interval of video frames based on network conditions, and reports the rate to the VR
Because the VR convergence layer (VRCL) would discard VR frames that could cause large network delays on VR devices, the VR application does not need to waste its resources on unnecessary video frames
Summary
Network operators and system administrators are interested in the mixture of traffic carried in their networks for several reasons. In order to provide a comfortable VR service environment without the need for wires, a wireless communication scheme with low latency needs to be employed for VR devices. Is the most unlicensed-band wireless communication is popular the most popular unlicensed-band wireless interface, which has a low cost while achieving high data throughput. Because someBecause categories of communication interface, which has a low cost while achieving high data throughput. WLAN can provide veryprovide high data rates. IEEE 802.11ad utilizes the 2.16-GHz bandwidth to achieve a high data a high data rate. 802.11adIEEE has a802.11ad relatively short communication range, owing torange, high-frequency high-frequency band operation under indoor environments [3,4]. Order to provide immersive interaction experience, each component of the system shallshall provide proper feedback, basedbased on its sensing data.
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