Patent ID: 9450719
Filing Date: 2016-09-20
CPC Classification: H04B,H04L,H04W

Claim Text:
1. A method for receiving a downlink signal by a user equipment (UE) in a wireless communication system supporting Coordinated Multi-point transmission and reception (CoMP), the method comprising: receiving a list of candidate seeds for generating a sequence of a downlink demodulation reference signal (DM-RS), the list of candidate seeds including at least one physical cell identity (PCID) and at least two virtual cell ID (VCID); receiving a subset of the list of candidate seeds, the subset including two cell IDs among the at least one PCID and the at least two VCID; selecting one cell ID among the two cell IDs included in the subset of the list of candidate seeds; and generating the sequence of the downlink DM-RS using the selected one cell ID.