After VR has solved delays and vertigo, the biggest pain point is the shackles of that cable. VR strives to create a fantasy space that is free and unrestrained. However, in order to ensure the transmission of signals, current VR helmets will be equipped with a long and heavy line. The experiencer can easily break his feet during the trial process, and the range of experience is also limited. Faced with this problem, many domestic and foreign technology companies have developed some mature wireless VR solutions.
TPCAST
TPCAST ​​is a wireless expansion module customized for HTC VIVE. It consists of a computer transmitter, a head-up receiver, and a battery. It can upgrade the multiple data lines between the helmet and the PC to a wireless connection without any product modification of the original HTC Vive. The 2K resolution screen can be transmitted. The wireless transmission delay is less than 2ms, and the VR experience is not Have any effect. . TPCAST ​​uses the Wireless HD transmission standard and wirelessly transmits at a high frequency of 60 GHz, so it can achieve extremely high transmission rates. After several months of bounce tickets, our T3 Education Lab has got this product.
TPCAST ​​is easy to install. Simply remove the Vive's original helmet cable, plug in TPCAST's receiver, and plug in mobile power. Here is the receiver part of the TPCAST ​​mounted on the helmet:
After TPCAST ​​is used, the wireless transmission of the entire image and audio signals is transmitted from the PC to the front end, and then from the front end to the PC side. In the VR game, when you see zombies running towards you, you have to feedback, if the feedback can not be returned to the PC in time, then the next action can not be transmitted. So, when you shoot a zombies, if the zombies are checked by you, then the video that is passed to you should be zombie fall. This involves sending the head-end commands back to the PC in real-time, and the overall loop propagation delay is 0ms to 2ms. In the experience, there will not be much difference between using the wired environment.
VR backpack
Existing hardware technologies have not been able to integrate high-performance hardware into a small helmet, but traditional PC hardware vendors have made another attempt - backpack-style PCs. After the user is back on the host, there will be no cable constraints.
MSI's "VR ONE" is a backpack computer specially designed for VR experience. MSI's VR One is the world's lightest and slimmest backpack host, and users will no longer suffer from cable lengths when performing VR experiences. Limiting the scope of activities to the PC host and the screen near the VR One game backpack will further expand the user's range of activities, MSI VR One backpack weighing about 3.6Kg, built-in two battery modules, can provide up to 1.5 hours VR gaming experience.
Compared to TPCAST ​​above, VR backpack has better compatibility, and other VR hardware such as HTC Vive, Oculus, etc. can be used. Therefore, this program has received a lot of hardware manufacturers and consumers of all ages, HP and Sotec have also launched their corresponding backpack host, both can make VR wireless.
With the advancement of hardware and software technologies, it is believed that purely head-mounted VR devices will appear in the near future, allowing VR experience to completely get rid of those unpleasant experiences.
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