Patent ID: 9621326
Date: 2017-04-11
CPC Classifications: H04L,H04W

Claim:
1. A method for operating a communication device, comprising: sending to a network node device a first message including a random access preamble according to a Time Division Duplex, TDD, configuration in a system information block; receiving from said network node device a second message including a random access response using said random access preamble according to said TDD configuration in said system information block; in a contention-based random access procedure, sending to said network node device a third message including an identifier specific to said communication device according to said TDD configuration in said system information block; switching said communication device into a dynamic TDD capable mode to support multiple dynamic TDD configurations; and receiving from said network node device a fourth message including a contention resolution by monitoring downlink channels according to said multiple dynamic TDD configurations.