Patent ID: 8873486
Filing Date: 2014-10-28
Classification: H04L

Abstract:
1. A method for communicating between a primary station and a plurality of secondary stations, comprising (a) the primary station configuring a secondary station to search on a first channel at least one of a plurality of search spaces having a first structure and a first location, said first structure consisting of at least a first plurality of resource sets on different component carriers, where at least one resource set is used to transmit a message to the secondary station, said first location defined as a function of the secondary station ID, a sub-frame number, a size of the message, and an amount of resource available for control channel signaling, (b) the primary station setting a characteristic of the first channel to a first value, wherein the characteristic is the number of OFDM symbols dedicated to the first channel, and (c) the primary station changing the characteristic of the first channel to a second value upon detection of a capacity event in the search spaces, and configuring at least one secondary station to search a search space fixed over the frames, wherein the search space structure of the secondary stations is varied from frame to frame in accordance with a predetermined sequence.