Patent ID: 9461789
Filing Date: 2016-10-04
CPC Classification: H04B,H04L,H04W

Claim Text:
1. A method, by a second pico evolved Node B (eNB), for controlling interference between a plurality of pico eNBs within coverage of a macro eNB in a wireless communication system, the method comprising: receiving, from the macro eNB, information of an Almost Blank Subframe (ABS) pattern used by the macro eNB performing ABS operation; receiving, from a first pico eNB, Et message requesting that the second pica cNB perform an ABS operation using a transmission pattern which is the same as the ABS pattern or a transmission pattern corresponding to a subset of the ABS pattern; and performing the ABS operation using the transmission pattern which is the same as the ABS pattern or the transmission pattern corresponding to the subset of the ABS pattern.