Abstract: A method for reading system information blocks (SIBs) by a mobile communication device includes: reading information from a first master information block (MIB); reading information from one or more SIBs including SIB3; storing the information read from the first MIB and the one or more SIBs including SIB3; starting a validity timer; reading information from a second MIB; comparing the information read from the second MIB with the stored information from the first MIB; in response to determining that the information read from the second MIB matches the stored information from the first MIB, determining whether the validity timer has expired; and in response to determining that the validity timer has not expired, determining that the stored information read from the first MIB and the one or more SIBs including SIB3 is valid.

Abstract: Apparatus and methods of maintaining a cell database for wireless communications include discovering a second cell to which a user equipment may reselect. In an aspect, the user equipment may be currently served by a first cell and the second cell is a closed subscriber group cell. Further, aspects include querying a fingerprinting database to determine whether the second cell was previously recorded in the fingerprinting database. Upon determining that the second cell was not previously recorded, further aspects include adding the second cell to the fingerprinting database. Adding the second cell may comprise indicating an association between the first cell and the second cell in the fingerprinting database.