Patent ID: 8364144

Claim:
A method of system information cache management, said method comprising: for each of a plurality of system information received from respective cells, storing in a system information cache of a user equipment a cache entry including at least some of the received system information, a first timestamp of when the respective system information was first stored in the system information cache, and for at least some of the cache entries relevance data relating the respective cache entry to one or more other cache entries; while the user equipment is in a state with a serving cell in which no dedicated physical channel is allocated to the user equipment, selecting a cache entry for at least one neighbor cell that is related by its relevance data to the cache entry of the serving cell and determined from its timestamp to be in close proximity to the serving cell; and identifying the at least one neighbor cell corresponding to the selected cache entry in an uplink message as a suitable candidate for multipoint communications with the user equipment.