Invention Grant
- Patent Title: Transmitting positioning reference signals
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Application No.: US15564914Application Date: 2016-03-31
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Publication No.: US10530542B2Publication Date: 2020-01-07
- Inventor: Yufei Blankenship , Meng Wang
- Applicant: Telefonaktiebolaget LM Ericsson (publ)
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget L M Ericsson (publ)
- Current Assignee: Telefonaktiebolaget L M Ericsson (publ)
- Current Assignee Address: SE Stockholm
- Agency: Withrow & Terranova, PLLC
- International Application: PCT/IB2016/051855 WO 20160331
- International Announcement: WO2016/162779 WO 20161013
- Main IPC: G01S5/02
- IPC: G01S5/02 ; H04W4/02 ; H04W64/00 ; H04L5/00 ; H04L27/26

Abstract:
Systems and methods are disclosed herein that relate wireless device positioning based on cell portion specific Positioning Reference Signals (PRSs) by multiple Transmit Points (TPs) in a shared cell. In some embodiments, a method of operation of a TP in a cellular communications network is provided. The TP is one of multiple of non-co-located TPs of a shared cell that has a shared cell identifier. The method of operation of the TP comprises transmitting a PRS having at least one parameter that is a function of a cell portion identifier of the TP, where the at least one parameter comprises a frequency-shift of the PRS, a portion of a system bandwidth in which the PRS is transmitted, and/or a PRS sequence used for the PRS. By transmitting cell-portion-specific PRSs, the TPs in the shared cell enable wireless device positioning based on PRSs transmitted by the non-co-located TPs.
Public/Granted literature
- US20180098187A1 TRANSMITTING POSITIONING REFERENCE SIGNALS Public/Granted day:2018-04-05
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