METHOD FOR SIGNALING BACK-OFF INFORMATION IN RANDOM ACCESS
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Abstract
A method for performing random access in a wireless communication system is provided. The method includes transmitting a preamble for random access in uplink, receiving a random access response message including back-off information as a response to the preamble, and performing back-off using the back-off information when the random access has failed.
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Citations
33 Claims
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1-15. -15. (canceled)
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16. A method for performing a random access procedure in a wireless communication system, the method comprising:
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transmitting a preamble for random access from a mobile station to a network; and receiving by the mobile station a random access response message from the network as a response to the preamble, the random access response message having a MAC (Medium Access Control) header, wherein the MAC header has a MAC sub-header, the MAC sub-header including a field indicating whether or not the MAC sub-header has a random access preamble identifier or backoff information. - View Dependent Claims (17, 18, 19, 20, 21)
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22. A method for performing a random access procedure in a wireless communication system, the method comprising:
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receiving at a network a preamble for random access from a mobile terminal; and transmitting by the network a random access response message to the mobile terminal as a response to the preamble, the random access response message having a MAC (Medium Access Control) header, wherein the MAC header has a MAC sub-header, the MAC sub-header including a field indicating whether or not the MAC sub-header has a random access preamble identifier or backoff information. - View Dependent Claims (23, 24, 25, 26, 27)
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28. A mobile terminal configured to perform a random access procedure in a wireless communication system, comprising:
a processor configured to cause the mobile terminal to transmit a preamble for random access to a network; and process a random access response message received from the network as a response to the preamble, the random access response message having a MAC (Medium Access Control) header, wherein the MAC header has a MAC sub-header, the MAC sub-header including a field indicating whether or not the MAC sub-header has a random access preamble identifier or backoff information. - View Dependent Claims (29, 30)
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31. A network configured to perform a random access procedure in a wireless communication system, comprising:
a processor configured to cause the network to process a preamble for random access received from a mobile terminal; and transmit a random access response message to the mobile terminal as a response to the preamble, the random access response message having a MAC (Medium Access Control) header, wherein the MAC header has a MAC sub-header, the MAC sub-header including a field indicating whether or not the MAC sub-header has a random access preamble identifier or backoff information. - View Dependent Claims (32, 33)
Specification