Patent ID: 9374208
Filing Date: 2016-06-21
CPC Classification: H04L,H04W

Claim Text:
1. A method for receiving downlink data in a wireless access system which supports multi-radio frequency bands, the method comprising: receiving, by a user equipment (UE) from a base station (BS), a physical downlink control channel (PDCCH) on a primary frequency band, the PDCCH including: control information associated with a scheduled frequency band on which the downlink data is to be transmitted; and an indication indicating the scheduled frequency band among the multi-radio frequency bands, the multi-radio frequency bands comprising a plurality of PDCCHs indicating which physical channel is indicated by each PDCCH; and receiving, by the UE from the BS, the downlink data through the scheduled frequency band that is indicated by the indication and is included in the multi-radio frequency band, wherein: if the downlink data is a voice over internet protocol (VoIP) data, the scheduled frequency band is only the primary frequency band, and if the downlink data is not a VoIP data, the downlink data is received through the scheduled frequency band indicated by the indication, wherein each of frequency bands included in the multi-radio frequency band has a center frequency, and wherein each of the frequency bands is configured with plurality of physical channels.