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1. (WO2015115505) MOBILE COMMUNICATION SYSTEM AND USER TERMINAL

Pub. No.:    WO/2015/115505    International Application No.:    PCT/JP2015/052413
Publication Date: Fri Aug 07 01:59:59 CEST 2015 International Filing Date: Thu Jan 29 00:59:59 CET 2015
IPC: H04W 72/04
H04W 92/18
Applicants: KYOCERA CORPORATION
京セラ株式会社
Inventors: MATSUMOTO, Naohisa
松本 直久
MORITA, Kugo
守田 空悟
FUJISHIRO, Masato
藤代 真人
SAIWAI, Takahiro
榮祝 剛洋
Title: MOBILE COMMUNICATION SYSTEM AND USER TERMINAL
Abstract:
A mobile communication system of the present invention, which supports D2D proximity services that enable direct communications without any network interventions, comprises: a first user terminal that determines, from a control resource area the range of which is limited among time/frequency resources available for the D2D proximity services, control resources that are time/frequency resources to be used for transmitting control information indicating the positions of data resources that are time/frequency resources to be used for transmitting D2D communication data; and a second user terminal that scans the control information in the control resource area.