MONITORING OF RADIO LINK SYNCHRONIZATION IN A USER EQUIPMENT'S ACTIVE SET

摘要

A method and arrangement in a Radio Network Controller (RNC) for monitoring radio link (RL) synchronization for each RL as soon as it is added to a User Equipment's (UE's) Active Set. When a new RL is added, each RL in the Active Set sends an Active Set Update Complete message to the RNC. When the RNC determines that a Radio Link Restore Indication message is not received from the Target NodeB serving the new RL, the RNC starts an initRlSyncT timer set for a defined time period and monitors incoming messages to determine whether the Radio Link Restore Indication message is received for the new RL before the initRlSyncT timer expires. If so, the method ends; but if not, the RNC instructs associated NodeBs and the UE to remove the new RL from the UE's Active Set.

主权项

1. A method in a Radio Network Controller (RNC) for monitoring radio link (RL) synchronization in a user equipment's active set having a plurality of RLs, the method comprising:
adding a new RL to the user equipment's active set; detecting that the new RL did not synchronize within a defined time period; and removing the new RL from the user equipment's active set in response to detecting that the new RL did not synchronize within the defined time period.