Patent ID: 9414405
Filing Date: 2016-08-09
CPC Classification: H04B,H04L,H04W

Claim Text:
1. A method of receiving a downlink signal from a plurality of cells at a user equipment in a cell cooperative wireless communication system, the method comprising: receiving, by the user equipment, downlink control information including downlink scheduling information for a serving cell and one or more coordinating cells at the user equipment from the serving cell; monitoring, by the user equipment, whether the downlink control information comprises one resource assignment field or at least two assignment fields; and receiving, by the user equipment depending upon the monitoring, a downlink data signal from the serving cell and the one or more coordinating cells using the downlink scheduling information, wherein the downlink control information for the downlink data signal is received through one Physical Downlink Control Channel, wherein, when the downlink control information comprises one resource assignment field, the downlink data signal received from each of the serving cell and the one or more coordinating cells is received on an identical frequency band, and wherein, when the downlink control information comprises at least two assignment fields, the downlink data signal received from each of the serving cell and the one or more coordinating cells is received on a partially overlapped frequency band.