Title:
A user's unit, a communications system, and a radio resource selection method
Document Type and Number:
Japanese Patent JP6247022
Kind Code:
B2
Abstract:
A user apparatus configured to select a discovery resource from a predetermined radio resource, and to transmit a discovery signal using the discovery resource, including: means that receives, from a plurality of base stations, radio resource information indicating a radio resource by which a discovery signal can be transmitted; means that detects a common region of radio resources by which a discovery signal can be transmitted between the plurality of base stations based on a plurality of pieces of radio resource information received from the plurality of base stations; and means that selects a discovery resource from a radio resource of the common region, and transmits a discovery signal by using the discovery resource.
Inventors:
Satoshi Nagata
Hiroki Harada
Kazuki Takeda
Hiroki Harada
Kazuki Takeda
Application Number:
JP2013106539A
Publication Date:
December 13, 2017
Filing Date:
May 20, 2013
Export Citation:
Assignee:
Ntt docomo, Inc.
International Classes:
H04W72/04; H04J1/00; H04W8/00; H04W92/18
Domestic Patent References:
| JP2013529416A |
Foreign References:
| US20130059583 | ||||
| WO2011130630A1 |
Other References:
InterDigital,On the use of UL or DL radio resources for D2D,3GPP TSG-RAN WG1 Meeting #73 R1-132186,3GPP,2013年 5月20日
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito