US Patent No. 10,342,040

METHOD AND APPARATUS FOR PERFORMING ACCESS INITIATION AND RESPONSE FOR CELL ON UNLICENSED CARRIER IN WIRELESS COMMUNICATION SYSTEM


Patent No. 10,342,040
Issue Date July 02, 2019
Title Method And Apparatus For Performing Access Initiation And Response For Cell On Unlicensed Carrier In Wireless Communication System
Inventorship Youngdae Lee, Seoul (KR)
Jaewook Lee, Seoul (KR)
Sangwon Kim, Seoul (KR)
Assignee LG ELECTRONICS INC., Seoul (KR)

Claim of US Patent No. 10,342,040

1. A method for a user equipment (UE) in a wireless communication system, the method comprising:receiving information, which includes a random access preamble identifier (RAPID) as a dedicated preamble and an index of a second cell, at a first cell from a network;
transmitting a random access preamble at the first cell to the network, when it is determined that the random access preamble does not use the RAPID as the dedicated preamble; and
receiving a random access response at the second cell from the network,
wherein the first cell is a first serving cell on a licensed carrier, and
wherein the second cell is a second serving cell on an unlicensed carrier.