Title:
USER TERMINAL
Document Type and Number:
WIPO Patent Application WO/2016/129573
Kind Code:
A1
Abstract:
This user terminal is used in a mobile communication system supporting D2D proximity services. If a user terminal stops receiving a first D2D synchronization signal from a synchronization source user terminal, the user terminal generates a second D2D synchronization signal using previously stored first D2D synchronization signal identification information, for a prescribed period. The user terminal transmits the second D2D synchronization signal to another user terminal. After transmitting the second D2D synchronization signal, the user terminal transmits inter-terminal communication data to the other user terminal.
Inventors:
ADACHI HIROYUKI (JP)
Application Number:
PCT/JP2016/053731
Publication Date:
August 18, 2016
Filing Date:
February 09, 2016
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H04W56/00; H04W92/18
Domestic Patent References:
| WO2014088338A1 | 2014-06-12 |
Other References:
HTC: "D2D Synchronization Procedure in Varied Coverage", 3GPP TSG-RAN WG1#78 RL-143034, Retrieved from the Internet
ERICSSON: "Transmitter Behaviour for D2D Synchronization", 3GPP TSG-RAN WG1#79 RL-145157, Retrieved from the Internet
SAMSUNG: "Analysis of flat synchronization schemes for out-of-coverage", 3GPP TSG-RAN WG1#79 RL-144718, Retrieved from the Internet
ERICSSON: "Transmitter Behaviour for D2D Synchronization", 3GPP TSG-RAN WG1#79 RL-145157, Retrieved from the Internet
SAMSUNG: "Analysis of flat synchronization schemes for out-of-coverage", 3GPP TSG-RAN WG1#79 RL-144718, Retrieved from the Internet
Attorney, Agent or Firm:
CURIUSE PATENT PROFESSIONAL CORPORATION (JP)
キュリーズ patent business corporation (JP)
キュリーズ patent business corporation (JP)
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