Patent ID: 9392597
Filing Date: 2016-07-12
CPC Classification: H04L,H04W

Claim Text:
1. A method for carrier aggregation, the method comprising: sending an activity signal from a base station to a user equipment, wherein the user equipment is served by the base station and is adapted to communicate with the base station via a first communication carrier being assigned to the base station, wherein signals between the base station and the user equipment are transmittable using the first communication carrier and, if a second communication carrier is activated, using in addition the second communication carrier, wherein the first communication carrier is divided into subframes, wherein the activity signal comprises information concerning an activity status of the second communication carrier, determining subframes, in which the user equipment is adapted to reconfigure a receiver, defining predefined subframes which are different than the determined subframes, and re-sending the activity signal from the base station to the user equipment during the predefined subframes.