Patent ID: 9717096
Date: 2017-07-25
CPC Classifications: H04W

Claim:
1. A method for performing initial access by a mobile device in a multi-carrier system, the method comprising: receiving, from a base station on a first carrier trying initial access, first system information including a multi-carrier indication information and second system information including initial access resource information including first initial access resource information on the first carrier and second initial access resource information on a second carrier; selecting an initial access resource by using the multi-carrier indication information and the received initial access resource information; and transmitting, to the base station, an initial access signal by using the selected initial access resource, wherein the multi-carrier indication information indicates that the first carrier is a part of the multi-carrier, wherein the initial access resource information includes permission information indicating whether the mobile device is allowed to access to the first carrier and the second carrier, and wherein the permission information is generated based on initial access rate for each of the first carrier and the second carrier by the base station.