Patent ID: 8855132
Filing Date: 2014-10-07
Classification: H04L,H04W

Abstract:
1. A method for (de)activating downlink component carriers in a mobile communication system using component carrier aggregation, the method comprising the following steps performed by a mobile terminal: receiving on a downlink component carrier, a resource assignment for assigning uplink or downlink resources to the mobile terminal, wherein the resource assignment indicates which of plural configured downlink component carriers are to be respectively activated or deactivated, and wherein the resource assignment comprises a CRC field that is masked with a radio network temporary identifier (RNTI) assigned to the mobile terminal for resource assignments to the mobile terminal, and at least one codepoint of a carrier indicator field (CIF) of the resource assignment indicates whether the resource assignment indicates a bit-mask for (de)activating the configured downlink component carriers, or whether the uplink resource assignment is not used for (de)activation of the configured downlink component carriers and only assigns uplink resources; and activating or deactivating the configured downlink component carriers according to the resource assignment.