Technique for performing a random access procedure over a radio interface
First Claim
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1. A method of performing a random access procedure over a radio interface, the method in a mobile terminal comprising:
- transmitting, by the mobile terminal, a synchronization request for synchronization information;
receiving, at the mobile terminal, synchronization information in response to the synchronization request;
transmitting, by the mobile terminal based on at least one transmission parameter adjusted in accordance with the synchronization information, a resource request for data transmission resources; and
using a timer mechanism providing an indication related to the validity of the at least one transmission parameter utilized by the mobile terminal to keep the mobile terminal in synchronization.
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Abstract
The invention relates to a technique for performing a random access procedure over a radio interface, for example between a mobile terminal and a radio base station of a mobile network. A method aspect of the invention comprises the steps of transmitting a synchronization request for synchronization information; receiving synchronization information in response to the synchronization request; and transmitting, based on at least one transmission parameter adjusted in accordance with the synchronization information, a resource request for data transmission resources.
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Citations
20 Claims
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1. A method of performing a random access procedure over a radio interface, the method in a mobile terminal comprising:
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transmitting, by the mobile terminal, a synchronization request for synchronization information; receiving, at the mobile terminal, synchronization information in response to the synchronization request; transmitting, by the mobile terminal based on at least one transmission parameter adjusted in accordance with the synchronization information, a resource request for data transmission resources; and using a timer mechanism providing an indication related to the validity of the at least one transmission parameter utilized by the mobile terminal to keep the mobile terminal in synchronization. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 17, 18)
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12. A method of performing a random access procedure over a radio interface, the method in a radio base station comprising:
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receiving, at the radio base station, a synchronization request for synchronization information; transmitting, by the radio base station based on the synchronization request, the synchronization information; receiving, at the radio base station, a resource request for data transmission resources, the resource request for data transmission resources based on at least one transmission parameter adjusted according to the synchronization information; and using a timer mechanism providing an indication related to the validity of the at least one transmission parameter utilized by a mobile terminal to keep the mobile terminal in synchronization. - View Dependent Claims (13, 14, 15, 16)
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19. A mobile terminal adapted for performing a random access procedure over a radio interface, the mobile terminal comprising one or more processors, the one or more processors configured to:
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transmit, from the mobile terminal, a synchronization request for synchronization information; receive, at the mobile terminal, synchronization information in response to the synchronization request; transmit, from the mobile terminal based on at least one transmission parameter adjusted according to the synchronization information, a resource request for data transmission resources; and provide an indication related to the validity of the at least one transmission parameter used by the mobile terminal to keep the mobile terminal in synchronization.
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20. A radio base station adapted for performing a random access procedure over a radio interface, the radio base station comprising one or more processors, the one or more processors configured to:
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receive, at the radio base station, a synchronization request for synchronization information; transmit, from the radio base station based on the synchronization request, the synchronization information; receive, at the radio base station, a resource request for data transmission resources, the resource request for data transmission resources based on at least one transmission parameter adjusted according to the synchronization information; and provide an indication related to the validity of the at least one transmission parameter used by the mobile terminal to keep the mobile terminal in synchronization.
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Specification