71
15. What is GI?
GI stands for Guard Interval. It’s a measure to protect wireless devices
from cross- interference. If there are two wireless devices using the same
or near channel, and they are close enough, radio interference will occur
and reduce the radio resource usability.
16. What is STBC?
STBC stands for Space-Time Block Coding, which is a technique used to
transfer multiple copies of data by multiple antenna, to improve data
transfer performance. By using multiple antennas, not only data transfer
rate is improved, but also the wireless stability.
17. What is WPS?
WPS stands for Wi-Fi Protected Setup. It provides a simple way to
establish unencrypted or encrypted connections between wireless clients
and access point automatically. User can press a software or hardware
button to activate WPS function, and WPS-compatible wireless clients
and access point will establish connection by themselves. There are two
types of WPS: PBC (Push-Button Configuration) and PIN code.
