Compromise resource allocation field size when aggregating component carriers of differing size

摘要

Methods and arrangements for resource allocation in a telecommunication system in which aggregation of component carriers is applied. The size of the resource allocation field is determined based on the transmission bandwidth of a selection of component carriers. The selection of component carriers comprises the component carrier on which the resource allocation message is monitored and the component carriers which are cross-scheduled from said component carrier. The resource allocation message comprising the resource allocation field with the determined size is transmitted to the user equipment over a particular component carrier of the selection of component carriers. Furthermore, with only one size of the resource allocation field a smaller number of code word sizes needs to be monitored by the UE. This leads to a smaller number of blind decodings performed in the UE. The present invention enables a more tailored approach when determining the size of the resource allocation field to avoid too high overhead but also a too coarse resource allocation.

主权项

1. A method for a radio base station in a telecommunication system, the radio base station being configured to transmit and receive data to and from a user equipment over a plurality of component carriers, each component carrier having a transmission bandwidth, respectively, the method comprising:
determining a size of a resource allocation field based on a weighted average of the transmission bandwidths of the component carriers, wherein the weighting is based on an intended use of the component carriers by a core network; and transmitting to the user equipment, over a particular component carrier of the component carriers, a resource allocation message comprising the resource allocation field with the determined size.