As the reference signal PRS is used here for UE to measure the time difference, the OTDOA is referred to as the reference signal time difference (RSTD) in terms of 3GPP LTE. Similarly, for E-CID, the so-called UE Rx–Tx time dif- ference is measured.

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It provides an all embracing introduction to 3GPP positioning methods, such as Cell-Id, E-OTD, U-TdoA, OTDoA-IPDL and Assisted GPS.It explains the operation 

B Localization in 3GPP LTE based on one RTT and one TDOA observa-. tion 101. Localization in 3GPP LTE based on one RTT and one TDOA observation. Fredrik Gustafsson Performance of OTDOA Positioning in Narrowband IoT Systems. "Localization in 3GPP LTE Based on One RTT and One TDOA Observation", Fredrik Gunnarsson, Fredrik Gustafsson, "Performance of OTDOA Positioning  of Arrival (OTDOA) positioning technique for Internet of Thing (IoT) devices introduced in Third Generation Partnership Project (3GPP) standard release 14. of Arrival (OTDOA) positioning technique for Internet of Thing (IoT) devices introduced in Third Generation Partnership Project (3GPP) standard release 14.

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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). 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). The UE reports to the network the serving cell ID, the timing advance (difference between its transmit and receive time) and the IDs, estimated timing and power of the detected neighbor cells.

of Arrival (OTDOA) positioning technique for Internet of Thing (IoT) devices introduced in Third Generation Partnership Project (3GPP) standard release 14. It provides an all embracing introduction to 3GPP positioning methods, such as Cell-Id, E-OTD, U-TdoA, OTDoA-IPDL and Assisted GPS.It explains the operation  Fusion of TOF and TDOA for 3GPP Positioning2016Ingår i: Fusion 2016, 19th Performance of OTDOA Positioning in Narrowband IoT Systems2017Ingår i:  Triangulation • OTDOA (Observed Time Difference Of Arrival), WCDMA • AFLT (Advanced Forward Link Trilateration), CDMA • E-OTD (Enhanced Observed Time  of satellite, cellular and local positioning; All embracing introduction to 3GPP positioning methods, such as Cell-Id, E-OTD, U-TdoA, OTDoA-IPDL and Assisted  2017-05-31.

–Ongoing discussion in 3GPP on Carrier Aggregation, CoMP, etc. •Fronthaul moving towards Ethernet (e.g., legacy requirement of 260 ns, i.e. +/-130 ns) •Strict requirements to support OTDOA (Observed Time Difference of Arrival)-based positioning (100 ns)

The contents of the present document are subject to continuing work within the TSG and may change following formal 3GPP . 9 3GPP TS 36.355 V13.1.0 (2016-03) Foreword .

ETSI 3GPP TS 37.355 version 16.1.0 Release 16 2 ETSI TS 137 355 V16.1.0 (2020-07) Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI.

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).

Otdoa 3gpp

Presenation by 3GPP RAN3 Chairman - Philippe Reininger - at the IoT Business & Technologies Congress (November 30, in Singapore). Main topics are eMTC, NB-IOT and EC-GSM-IoT as completed in 3GPP Release 13 and enhanced in Release 14 –Ongoing discussion in 3GPP on Carrier Aggregation, CoMP, etc. •Fronthaul moving towards Ethernet (e.g., legacy requirement of 260 ns, i.e. +/-130 ns) •Strict requirements to support OTDOA (Observed Time Difference of Arrival)-based positioning (100 ns) 3GPP Portal home page 3GPP public web site Directory. Browse FTP. Help. Search form Introduction of IMU support for OTDOA: R2-1808896: agreed: RP-181219: approved: Enhanced RSTD for Scalable Bandwidth of OTDOA Positioning in 3GPP LTE Jinnan Liu, Shulan Feng HiSilicon Research Department Beijing Institute, Huawei Technologies Co., Ltd 5g(第5世代移動通信)を活用した測位が注目されている。3gppリリース16では、高精度の位置情報サービスを安価に、どこにでも、高い信頼性で PRS Muting Pattern Assignment to Optimize RSTD Measurement Acquisition for OTDOA Positioning in 3GPP LTE. Ramya Srinivasan, Grant A. Marshall, Guttorm R. Opshaug, Borislav Ristic, Kirk A. Burroughs, Sven Fischer, Shuping Zhang, Daniel Henriksson A, François Cardinal Initial deployment of 3GPP-LTE is expected in 2009 and recent news has been announced that a contract of commercial LTE network in Stockholm is signed between TeliaSonera and Ericsson.
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1 Introduction . B Localization in 3GPP LTE based on one RTT and one TDOA observa-. tion 101. Localization in 3GPP LTE based on one RTT and one TDOA observation.

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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Otdoa 3gpp




The operation of the OTDOA method is described in clause 8.2. 4.3.4 Enhanced Cell ID methods. In the Cell ID (CID) positioning method, the position of an UE is estimated with the knowledge of its serving ng-eNB, gNB and cell. The information about the serving ng-eNB, gNB and cell may be obtained by paging, registration, or other methods.

Multicast in NB2. The NB2 devices contain Multicast transmission mode, which the NB1 device does not have. Enhanced NB2 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。 Difference Of Arrival (OTDOA) Positioning Technique in 3GPP LTE 1Sowmya GM , Nagaraj K2, Sampath Kini3 1PG Student, Dept Of CSE,NMAM Institute Of Technology, Nitte,India 2 Manager-Embedded Product Design, Communications BU ,TATA ELXSI Bangalore, India 3Assistant Professor, Dept Of CSE,NMAM Institute Of Technology,Nitte,India This paper gives an overview of algorithms for positioning a mobile phone using 3GPP-FDD mode signals.

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As the reference signal PRS is used here for UE to measure the time difference, the OTDOA is referred to as the reference signal time difference (RSTD) in terms of 3GPP LTE. Similarly, for E-CID, the so-called UE Rx–Tx time dif- ference is measured. LTE Positioning Methods- overview 3GPP Release 9 OTDOA (Observed Time Difference of Arrival) † UE location can be tri-laterated with the knowledge of three or more eNB’s –Transmit timings of the cells in the system and their geographical locations –Received time difference of at least two other cells vs. 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. OTDOA | Downlink Observed Time Difference of Arrival • It is defined in 3GPP Rel-9.

IEEE Trans. Veh. Performance of OTDOA positioning in narrowband IoT systems. Localization in 3GPP LTE Based on One RTT and One TDOA Observation. IEEE Trans. Veh. Performance of OTDOA positioning in narrowband IoT systems. A Performance of OTDOA positioning in NB-IoT Systems 81.