Patent ID: 8989022
Filing Date: 2015-03-24
Classification: H04B,H04J,H04L,H04W

Abstract:
1. A method for receiving a physical downlink control channel (PDCCH) by a user equipment (UE) in a wireless communication system supporting multiple carriers, the method comprising: receiving a plurality of search spaces through a control region of a subframe, wherein each search space includes a plurality of PDCCH candidate sets and corresponds to each carrier; and monitoring PDCCH candidates for the PDCCH in the plurality of search spaces, wherein a search space S wherein for the single carrier on which a PDCCH candidate (m) of the PDCCH candidates is monitored, a CCE index corresponding to the PDCCH candidate (m) within the search space S where L is a carrier aggregation level, Y O where c is a value of carrier indication field (CIF) related to the single carrier.