Patent ID: 9490942
Filing Date: 2016-11-08
CPC Classification: H04B,H04L

Claim Text:
1. A method of transmitting channel mapping information by a transmission/reception point, the method comprising: generating physical uplink data channel mapping information of a transmission/reception point different from a serving transmission/reception point of a first user equipment (UE), wherein the first UE belongs to the serving transmission/reception point; and transmitting the physical uplink data channel mapping information to the first UE such that the first UE performs a physical uplink data channel transmission using the physical uplink data channel mapping information, wherein the physical uplink data channel transmission includes: when the physical uplink data channel transmission is not a grant-based uplink transmission, performing a resource mapping such that a physical uplink data channel resource is mapped to a last SC-FDMA symbol of a sub-frame indicated by a previous uplink grant applied to initial transmission, transmission before retransmission for the initial transmission, or transmission before the retransmission.