Patent ID: 8958409
Filing Date: 2015-02-17
Classification: H04J,H04L,H04W

Abstract:
1. A method for transmitting, by a base station, signals in a communication system, the method comprising: transmitting, to a mobile station via a primary carrier band, control information for a subsidiary carrier band; and transmitting data to the mobile station via the subsidiary carrier band based on the control information and via the primary carrier band, wherein the primary carrier band is a carrier frequency band which the mobile station initially attempts to access or via which information indicating a carrier aggregation configuration is transmitted, wherein the control information includes a logical index assigned to the subsidiary carrier band for the mobile station and a physical index of a frequency allocation band used as the subsidiary carrier band, wherein the physical index corresponds to one of plural absolute frequency band indexes assigned to frequency allocation bands available in the communication system, and wherein the logical index assigned to the subsidiary carrier band identifies the subsidiary carrier band from among a plurality of frequency allocation bands managed by a medium access control (MAC) layer.