公开(公告)号：US20170188320A1

公开(公告)日：2017-06-29

申请号：US15407604

申请日：2015-06-23

Applicant: Intel IP Corporation

Inventor： GANG XIONG ,  CHATTERJEE DEBDEEP

IPC: H04W56/00 ,  H04W72/04 ,  H04L12/24 ,  H04W8/00 ,  H04W72/12

CPC classification number: H04W56/001 ,  H04L41/08 ,  H04W8/005 ,  H04W72/044 ,  H04W72/0453 ,  H04W72/12 ,  H04W88/02

Abstract: Technology to improve resource allocation for inter-cell device-to-device (D2D) discovery and timing synchronization between user equipments (UEs) connected to asynchronous network deployments is disclosed. Also, transmission rules are provided for networks wherein discovery-resource pools are allocated in a frequency-division-multiplexing (FDM) manner. In the first sub-frame of a transmission-resource pool, there may be overlap between resources that are allocated for a discovery-resource pool and resources that are allocated for D2D synchronization signals (D2DSSs). Non-overlapping PRBs in the discovery-resource pool can be allocated for WAN transmission or D2D—discovery transmission. In scenarios where discovery-resource pools are allocated using FDM, a measurement such as reference signal received power (RSRP) or path loss can be made for a UE. The measurement can be compared to a threshold value to determine whether the UE will transmit a D2DSS.