Random access channel response handling with aggregated component carriers
First Claim
Patent Images
1. A method, comprising:
- receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and
transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier.
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Abstract
Disclosed herein are methods, computer program instructions and apparatus for performing random access procedures in a wireless communication system. A method includes receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier.
95 Citations
31 Claims
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1. A method, comprising:
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receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus, comprising:
a controller configured to operate with a wireless receiver and a wireless transmitter, said controller further configured to respond to a reception in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments and to transmit a corresponding plurality of random access responses in a time and frequency resource of a single component carrier. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A method, comprising:
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receiving at a network access node, in a time and frequency resource associated with a first frequency band, a random access request from a user equipment; and transmitting a corresponding random access response in a time and frequency resource associated with a second frequency band. - View Dependent Claims (21)
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22. A method, comprising:
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transmitting to a network access node, in a time and frequency resource allocated for preamble transmission, of one of a plurality of component carriers, a random access request; and receiving a random access response that is aggregated with other random access responses in a time and frequency resource of the same or a different component carrier. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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31. An apparatus, comprising:
a controller configured to operate with a wireless receiver and a wireless transmitter, where the controller is further configured to transmit to a network access node in a time and frequency resource allocated for preamble transmission, of one of a plurality of component carriers, a random access request, and to receive a random access response that is aggregated with other random access responses in a time and frequency resource of the same or a different component carrier.
Specification