3GPP TDocs (written contributions) at meeting Meeting: R1-82 - 2015-08-24 to 2015-08-28, Beijing meeting id: R1-82 (click id for more info on this meeting)

After initial delivery in late 2017 of ‘Non-Stand-Alone’ (NSA) NR new radio specifications for 5G, much effort focused in 2018 on timely completion of 3GPP Release 15 – the first full set of 5G standards – and on work to pass the first milestones for the 3GPP submission towards IMT-2020.

Specifically, for in-band deployment, PRS symbols are reused also in the NPRS, which typ-ically is extended with a large number of repetitions to allow accumulation at the device for detectability. OTDOA positioning in legacy LTE systems is widely studied in the literature. S. Fischer, Observed Time Difference of Arrival (OTDOA) Positioning in 3GPP LTE, Qualcomm Technologies, Inc., June 2014. Google Scholar; 3GPP TS 36.305 v12.2.0, Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Stage 2 functional specification of User Equipment (UE) positioning in E-UTRAN (Release 12), www.3gpp.org, Dec. 2014. A Novel Weighting Method for Multiple OTDOA based Positioning in 3GPP LTE System Han Jun Kim Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do, Korea +82-31-290-7207 Kyunghoon Lee Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do, Korea +82-31-290-7207 Hyung-Jin Choi Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do 3GPP TS 36.355 version 9.2.1 Release 9 ETSI 8 ETSI TS 136 355 V9.2.1 (2010-07) Foreword This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP).

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Hence, the 3GPP standard defines PRS to  (TDOA) measurements have been specified in 3GPP LTE Rel. OTDOA. As the reference signal PRS is used here for UE to measure the time difference, the  This Specification is provided for future development work within 3GPP only. The downlink (OTDOA) positioning method makes use of the measured timing of   Long Term Evolution (3GPP LTE) standard features position- ing support since PRS (NPRS) supporting downlink OTDOA based positioning. Specifically, for  Jan 4, 2016 In recent 3rd generation partnership project (3GPP) long term evolution (LTE) cellular environment, multiple observed time difference of arrival  LTE Positioning Methods- overview. 3GPP Release 9. OTDOA (Observed Time Difference of Arrival). • UE location can be tri-laterated with the knowledge of  Jun 6, 2014 The UE measurement for OTDOA positioning is the Reference Signal Time Difference.

383053GPPNRRelease 15 In this version of the specification, only OTDOA based on LTE signals is supported. In the OTDOA positioning method, the UE position is estimated based on measurements taken at the UE of downlink radio 

Performance of OTDOA Positioning in Narrowband IoT Systems Kamiar Radnosrati, Gustaf Hendeby, ing support since 3GPP Release 9. The subsequent releases, as OTDOA and its advantages 3GPP Release 14 further improves NB-IoT to enhance the user experience. Observed time difference of arrival (OTDOA) is a downlink based positioning method described by 3GPP as one of the NB-IoT positioning methods to increase positioning accuracy.

OTDOAとその利点 3GPPリリース14では、NB-IoTがさらに改善され、ユーザー体感が向上しています。OTDOA（Observed Time Difference Of Arrival）は、ダウンリンクベースの位置決定方法であり、位置決定精度を高めるためのNB-IoT位置決定方法の1つとして3GPPで記述されています。

Table of Contents 5 OTDOA – Observed Time After initial delivery in late 2017 of ‘Non-Stand-Alone’ (NSA) NR new radio specifications for 5G, much effort focused in 2018 on timely completion of 3GPP Release 15 – the first full set of 5G standards – and on work to pass the first milestones for the 3GPP submission towards IMT-2020. your NB-IoT OTDOA positioning design OTDOA and its advantages 3GPP Release 14 further improves NB-IoT to enhance the user experience. Observed time difference of arrival (OTDOA) is a downlink based positioning method de-scribed by 3GPP as one of the NB-IoT positioning methods to increase positioning accuracy. It utilizes neighbor cells Regulatory requirements on emergency call positioning have historically been based on horizontal accuracy for outdoor terminals. However, most emergency calls are made from wireless phones and from indoor locations.

serving cell in the UE OTDOA is an abbreviation for Observed Time Difference of Arrival, and it is a downlink based multilateration positioning method introduced in the LTE 3GPP Release 9. How does OTDOA NB-IoT positioning work? With the above extensive OTDOA enhancements considered for feMTC and NB-IoT, based on the limited time-dispersion/ time-spread/ multipath EPA (Extended Pedestrian A model) 3GPP channel scenario with outdoor deployment of 1.732km ISD (Inter-Site Distance), the 50m positioning accuracy for 67% of the UEs is achievable for both device types.
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A Novel Weighting Method for Multiple OTDOA based Positioning in 3GPP LTE System Han Jun Kim Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do, Korea +82-31-290-7207 Kyunghoon Lee Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do, Korea +82-31-290-7207 Hyung-Jin Choi Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do 3GPP TS 36.355 version 9.2.1 Release 9 ETSI 8 ETSI TS 136 355 V9.2.1 (2010-07) Foreword This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Enhanced Cell ID, E-CellID, or E-CID is a positioning feature introduced in rel9 E-UTRA (LTE radio).

3GPP, the 3GPP TDocs (written contributions) at meeting Meeting: R1-82 - 2015-08-24 to 2015-08-28, Beijing meeting id: R1-82 (click id for more info on this meeting)
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A Novel Weighting Method for Multiple OTDOA based Positioning in 3GPP LTE System Han Jun Kim Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do, Korea +82-31-290-7207 Kyunghoon Lee Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do, Korea +82-31-290-7207 Hyung-Jin Choi Sungkyunkwan University 300 Cheoncheon-dong, Jangan-gu Suwon-si, Gyunggy-do

Another method for NB-IoT positioning in 3GPP R14 is Enhanced Cell ID (E-CID), based on Cell of Origin (COO). With the above extensive OTDOA enhancements considered for feMTC and NB-IoT, based on the limited time-dispersion/ time-spread/ multipath EPA (Extended Pedestrian A model) 3GPP channel scenario with outdoor deployment of 1.732km ISD (Inter-Site Distance), the 50m positioning accuracy for 67% of the UEs is achievable for both device types. 3GPP Specification Change Request records for: 24.080. CR no. rev cat Release OTDOA location method to be added: NP-12: NP‑010292: revised: N4: N4-08: N4 within 3GPP Release 9 and are described in this white paper. 1 05, er 2013: 0 0.