Patent ID: 9467265
Filing Date: 2016-10-11
CPC Classification: H04B,H04J,H04L

Claim Text:
1. A method for assigning a sounding resource by an Access Point (AP) in a Time Division Duplex (TDD) cellular network, the method comprising: obtaining channel information between a serving AP and a User Equipment (UE) served by the serving AP; determining whether to assign the sounding resource to the UE according to a predetermined assigning criteria and based on the channel information, wherein the channel information comprises at least one of path gain information and Uplink/Downlink (UL/DL) channel quality information, and wherein the predetermined assigning criteria prioritize UEs having smaller path-loss and/or suffering/generating less UL/DL inter-cell interference; making the sounding resource assignment if it is determined to assign the sounding resource to the UE.