Patent ID: 9332570
Filing Date: 2016-05-03
CPC Classification: H04L,H04W

Claim Text:
1. A method of operating a network node that serves a cell in a cellular communication system, wherein an air interface of the cellular communication system is divided up into sequentially occurring frames, each of the frames comprising a plurality of sequentially occurring sub-frames, each of the sub-frames comprising a plurality of sequentially occurring symbols, the method comprising: receiving and detecting a request signal transmitted by a device within the cell; based at least in part on a characteristic of the request signal that is indicative of one or more device capabilities of the device, ascertaining an associated time/frequency position for transmitting a response signal; and transmitting the response signal at the associated time/frequency position, wherein the one or more device capabilities comprise one or more of: wherein the associated time/frequency position for transmitting the response signal is configured to optimize one or more of usage of radio frequency spectrum and network node scheduler resources while satisfying requirements related to the one or more device capabilities.