User terminal, radio communication system and radio communication method
AssigneeNtt Docomo, Inc.
InventorsHiroki Harada, Qun Zhao, Yongbo Zeng, Yongsheng Zhang
Life of this patent
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Abstract
To enable a user terminal that receives a discovery signal of another user terminal for performing Type 1 discovery to synthesize and receive the discovery signal, a user terminal capable of executing inter-terminal direct signal transmission/reception has a selecting section that selects a discovery signal transmission resource at the next period for each period, and a transmission section that transmits information on the discovery signal transmission resource at the next period, together with the discovery signal.
Claims10
A user terminal capable of executing inter-terminal direct signal transmission/reception, comprising:
- a selecting section that selects a discovery signal transmission resource at a next period for each period;
- and
- a transmission section that transmits information on the discovery signal transmission resource at the next period, together with a discovery signal.
A radio communication system including a user terminal capable of executing inter-terminal direct signal transmission/reception and a radio base station capable of communicating with the user terminal,
- wherein the radio base station is provided with a transmission section that notifies the user terminal of a discovery signal transmission resource group, and
- the user terminal has a selecting section that autonomously selects a discovery signal transmission resource at a next period from the discovery signal transmission resource group for each period, and
- a transmission section that transmits information on the discovery signal transmission resource at the next period, together with a discovery signal.
A radio communication method of a user terminal capable of executing inter-terminal direct signal transmission/reception, comprising:
- selecting a discovery signal transmission resource at a next period for each period;
- and
- transmitting information on the discovery signal transmission resource at the next period, together with a discovery signal.
Dependencies are inferred from the claim text.