Patent ID: 9531512
Filing Date: 2016-12-27
CPC Classification: H04B,H04J,H04L,H04W

Claim Text:
1. A method for wireless communications by a base station of a coordinated multi-point (CoMP) cooperating set of base stations in a wireless communications network, the method comprising: performing a clear channel assessment (CCA) procedure to contend for access to an unlicensed radio frequency spectrum band; determining a CCA status that indicates whether access to the unlicensed radio frequency spectrum band has been won for a time period; communicating the CCA status to one or more other base stations in the CoMP cooperating set; and initiating CoMP communications with a user equipment (UE) using one or more base stations in the CoMP cooperating set that have a CCA status of winning access to the unlicensed radio frequency spectrum band for the time period.