Patent ID: 8553600
Filing Date: 2013-10-08
Classification: H04W

Abstract:
1. An apparatus for establishing a contention window in a WiMedia wireless network, the apparatus comprising: a parsing unit configured to extract the number of devices that intend to transmit data from a beacon received during a beacon period and an access category (AC) of each of the devices; a calculation unit configured to calculate a transmission probability of each access category (AC) on the basis of the extracted number of devices; and a contention window establishing unit configured to establish a contention window for each access category (AC) on the basis of the calculated transmission probability, wherein the access category (AC) comprises at least one of Best-Effort (BE), BacKground (BK), VIdeo (VI) and VOice (VO), and the calculation unit is configured to provide a weight of each access category (AC) to the devices and calculate the transmission probability of each access category using the weight.