MIT uses millimeter wave technology to solve wireless VR data transmission

The high-end VR device Rift/Vive makes players hooked, but the cable between the head and the computer is very unpleasant. Since the technical requirements for bandwidth transmission and location tracking data transmission have exceeded the limits of ordinary wireless signal transmission or Bluetooth, the wireless VR headset has not been listed with the first generation of consumer products.

We have reported that Quark VR and TPCAST ​​are developing Vive's wireless data transmission system. The TPCAST ​​VIVE Wireless Upgrade Kit (pre-release version) has been pre-sold for $1,499. At the same time, Intel and Oculus are also developing VR all-in-ones. The MIT Computational Science and Artificial Intelligence Laboratory is also developing a wireless data transmission solution for VR systems. Professor Dina Katabi of the lab said that we are taking a step toward a high-resolution wireless VR transmission solution.

MIT uses millimeter wave technology to solve wireless VR data transmission

They use mmWaves (millimeter wave) technology route, sufficient amount of available bandwidth, high antenna gain, millimeter wave technology can support ultra-high speed transmission rate, narrow beam, flexible and controllable, can connect a large number of devices, and even achieve Billions of bits per second of data transmission, fully suitable for low-latency VR data transmission. Millimeter waves are also one of the key technologies in 5G. MIT's solution is not to simply install the transmitter on the computer and install the receiver on the VR head display. Although the millimeter wave antenna is directional and not suitable for room-scale VR, the team developed a MoVR that can automatically follow the signal. The movement naturally solves the problem of wireless motion tracking. The MoVR itself does not accept the signal. It reflects the signal from the transmitting end to the receiving end, and automatically and calibrates the angle of reflection.

Calibration is a technical difficulty and the most time-consuming part. MIT's MoVR system is still in the experimental stage. Engineering machine samples lag behind Quark VR and TPCAST. It is expected that 2016 will be the first year of VR, and 2017 will be the first year of wireless VR.

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