Patent ID: 9706451
Date: 2017-07-11
CPC Classifications: H04W

Claim:
1. A method of pre-configuring a user equipment (UE) for a serving cell change, comprising: camping on a first cell; receiving, by the UE, at least one communication including target cell pre-configuration information for one or more neighbor cells eligible for pre-configuration that are not part of an active set associated with the user equipment, wherein a first system information block (SIB) includes a list of neighbor cells and flags corresponding to the neighbor cells eligible for pre-configuration, and a second SIB includes the target cell pre-configuration information; determining that the first cell is no longer providing adequate service; identifying a target cell that can provide adequate service, wherein the target cell is one of the one or more neighbor cells eligible for pre-configuration; transmitting a message requesting a serving cell change from the first cell to the target cell, wherein the message is an Event 1d message; configuring, in response to the transmitting the Event 1d message, to receive service from the target cell based on the pre-configuration information associated with the target cell that is not part of the active set associated with the user equipment; receiving, from the target cell that is not part of the active set associated with the user equipment, an indication to perform a serving cell change to the target cell; and performing the serving cell change to the target cell.