IP Library › Patent Application 16039526
Patent Application
App. No. 16/039,526

METHOD FOR TRANSMITTING AND RECEIVING RANDOM ACCESS REQUEST AND TRANSMITTING AND RECEIVING RANDOM ACCESS RESPONSE

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Quick Facts
Patent No.
US None
App. No.
16/039,526
Abstract

A base station transmits a random access response in response to a random access request (random access preamble) of a user equipment. The random access response indudes information about a time when the random access request is transmitted and sequence number information of the random access request (random access preamble). The user equipment checks whether the received random access response is the response of the random access request transmitted by the user equipment, using the information about the time when the random access request is transmitted and the sequence number information included in the received random access response.

Claims (7)

1 . A method for performing a random access by a user equipment, the method comprising:

determining a time period for receiving a random access response;

receiving the random access response from a base station within the time period;

extracting information associated with a subframe number of a subframe in which a random access preamble was transmitted by the user equipment; and

identifying the random access response responsive to the random access preamble based on the information,

wherein the time period starts at a time point after an end time of transmitting the random access preamble, the time period being calculated based on a subframe number corresponding to the end time.

2 - 16 . (canceled)