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US 2020/0404703 A1Published application
User apparatus and base station apparatus
AssigneeNtt Docomo, Inc.
InventorsTooru Uchino, Tomoya Ohara, Hideaki Takahashi, Hiroki Harada
Life of this patent
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Abstract
A user apparatus receives an instruction to execute a random access procedure from a base station apparatus and includes a reception unit that receives first information specifying an available random access channel from the base station apparatus; a control unit that identifies, on the basis of the first information, a resource of the available random access channel in a time domain or a frequency domain; and a transmission unit that transmits a random access preamble using the identified resource.
Claims5
-6. (canceled)
A terminal comprising:
- a receiver that receives information specifying an available transmission occasion for a random access channel;
- a processor that identifies, based on the information, an available random access channel resource in a time domain and a frequency domain;
- and
- a transmitter that transmits a random access preamble using the available random access channel resource,
- wherein the processor identifies the available random access channel resource based on a factor that triggers a random access procedure.
2 more elements
A base station apparatus comprising:
- a transmitter that transmits information specifying an available transmission occasion for a random access channel;
- a processor that identifies an available random access channel resource in a time domain and a frequency domain based on the information;
- and
- a receiver that receives a random access preamble using the available random access channel resource,
- wherein the processor identifies the available random access channel resource based on a factor that triggers a random access procedure.
2 more elements
Dependencies are inferred from the claim text.