Patent ID: 9363831
Filing Date: 2016-06-07
CPC Classification: H04J,H04W

Claim Text:
1. A method for performing a random access procedure by a Node-B with a specific user equipment (UE) within a cell in which a plurality of UEs are located together, the method comprising: transmitting system information for at least one of a basic sequence index and a length of a zero correlation zone (ZCZ) to the specific UE; and receiving a preamble sequence from the specific UE over a random access channel, wherein the preamble sequence is generated from Constant Amplitude Zero Auto-Correlation (CAZAC) sequences distinguishable by at least one of the basic sequence index and a length of a Cyclic Shift (CS) applied to the preamble sequence, wherein the length of the CS applied to the preamble sequence is given by one among a plurality of application lengths determined based on the length of the ZCZ, wherein a number of the plurality of lengths are differently given based on a type of the specific UE, and wherein the system information is the same for all of the UEs within the cell regardless of the types of the UEs.