Patent ID: 9295038
Filing Date: 2016-03-22
CPC Classification: H04L,H04W

Claim Text:
1. A method in a control node of a wireless communication network for allocating resource elements of a transmission resource to a control channel, wherein the transmission resource comprises a first number of resource blocks, each resource block comprising one or a plurality of subsets of resource elements, the method comprising: obtaining a bitmap for configuration of the transmission resource, wherein the bitmap is configured to identify at least one subset of resource elements within the transmission resource; allocating the at least one identified subset of resource elements to the control channel; transmitting the bitmap to a receiving node; and transmitting control data on the at least one subset of resource elements allocated to the control channel to the receiving node; wherein obtaining the bitmap for configuration of the transmission resource comprises: obtaining separate bitmaps for configuration of the transmission resource for multiple aggregation levels; and selecting one bitmap for configuration of the transmission resource according to a configured aggregation level.