Methods and devices for random access
First Claim
Patent Images
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 ,aa 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;
wherein said communication device is assigned more than one TDD configurations before initiating a random access procedure and said more than one TDD configurations include said TDD configuration in said system information block and further include at least another TDD configuration informed via dedicated Radio Resource Control signaling.
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Abstract
One embodiment of the present disclosure relates to a method for random access in a UE in an out-of sync status. The method comprises: sending to a base station a first message including a random access preamble according to a TDD configuration in a SIB; receiving from the base station a second message including a random access response using the random access preamble according to the TDD configuration in the SIB. Another embodiment of the present invention also relates to corresponding method for random access in a base station. According to an aspect of the present disclosure, there are provided corresponding devices.
20 Citations
17 Claims
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1. A method for operating a communication device, comprising;
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sending to a network node device a first message including a random access preamble according to ,aa 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; wherein said communication device is assigned more than one TDD configurations before initiating a random access procedure and said more than one TDD configurations include said TDD configuration in said system information block and further include at least another TDD configuration informed via dedicated Radio Resource Control signaling. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for operating a network node device, comprising:
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receiving from a communication device a first message including a random access preamble according to a TDD configuration in a system information block; sending to said communication device a second message including a random access response using said random access preamble according to said TDD configuration in said system information block, wherein said communication device is assigned more than one TDD configurations before a random access procedure and wherein said more than one TDD configurations include said TDD configuration in said system information Hock and further include at least another TDD configuration informed via dedicated Radio Resource Control signaling. - View Dependent Claims (10)
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11. A communication device, comprising:
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a sending unit configured to send 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; a receiving unit configured to receive 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, wherein said communication device has more than one TDD configurations before initiating a random access procedure and said more than one TDD configurations include said TDD configuration in said system information block and further include at least another TDD configuration informed via dedicated Radio Resource Control signaling. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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Specification