Patent ID: 9306723
Filing Date: 2016-04-05
CPC Classification: H04L

Claim Text:
1. A method in a wireless communication User Equipment (UE), the method comprising: receiving a configuration message on a first Component Carrier (CC), the first CC transmitted from a base unit, the configuration message providing system information for at least one additional CC; after receiving the configuration message, receiving an activation message on the first CC, the activation message activating the at least one additional CC; receiving a cross scheduling configuration (CSC) message on the first component carrier (CC); wherein the CSC message indicates that the UE is expected to receive the PDCCH messages including a carrier indicator field (CIF) on the first CC, the CIF signaling whether each received PDCCH message corresponds to the first CC or the at least one additional CC; monitoring a search space with the first size, on the first CC, after receiving the configuration message and the CSC message, the search space with the first size specific to the UE, the search space with the first size corresponding to a set of PDCCH candidates monitored by the UE for control information; monitoring a search space with the second size, on the first CC, after receiving the configuration message, CSC message, and the activation message, the search space with the second size specific to the UE, the search space with the second size corresponding to a set of PDCCH candidates monitored by the UE for control information; and wherein the second size is greater than the first size.