Preventing misuse of random access procedure in wireless communication system

摘要

A mobile station, base station and methods therein for preventing misuse of a random access procedure in a wireless communication network are disclosed. A mobile station transmits a random access preamble, receives a random access response message addressed to an identifier that has a one-to-one association with the random access preamble transmitted by the mobile station, and decodes the random access response message.

主权项

1. A method in a mobile station to prevent misuse of a random access procedure, the method comprising:
transmitting, by the mobile station, a random access preamble including a first preamble identifier corresponding to a Random Access Channel occasion used by the mobile station to transmit the random access preamble; receiving, by the mobile station, a random access response message that is addressed to a second preamble identifier that includes the first preamble identifier offset a number of bits from a third preamble identifier; and decoding the random access response message.