Patent ID: 9179334
Filing Date: 2015-11-03
Classification: H04J,H04W

Abstract:
1. A method for resolving a cell identifier conflict, the method comprising: detecting a need for changing a cell identifier associated with an operational cell in the cellular radio communications network that is supporting one or more UEs; obtaining neighbor cell relation (NCR) information from a neighbor cell neighboring the operational cell, wherein obtaining the NCR information comprises transmitting to the neighbor cell a request for the NCR information and receiving from the neighbor cell in response to the request a message comprising the requested NCR information, said requested NCR information comprising a set of cell identifiers associated with cells that neighbor the neighbor cell; based on the received NCR information, selecting a cell identifier for the operational cell that is different from each cell identifier indicated in the NCR information; and providing the different cell identifier to another cell different from the operational cell.