Patent ID: 9603038
Date: 2017-03-21
CPC Classifications: H04W

Claim:
1. A method for small cell enhancement in a wireless communication system, the method comprising: having a user equipment (UE) connected to a Macro evolved Node B (eNB) and a Small Cell eNB that is different from the Macro eNB; configuring the UE to establish a first Small Cell through a Radio Resource Control (RRC) message, wherein the first Small Cell belongs to the Small Cell eNB; determining whether more than one Small Cell is configured by the RRC message within the Small Cell eNB; indicating which Small Cell is a Primary Cell of the Small Cell eNB in response to determining that more than one Small Cell is configured by the RRC message within the Small Cell eNB; and performing a Random Access (RA) procedure on the Small Cell, which is indicated as the Primary Cell of the Small Cell eNB, in response to the RRC message attempting to establish that the first Small Cell belongs to the Small Cell eNB.