GB/T 44863-2024 Technical requirements and test methods for in-band and co-band positioning based on mobile communication network
1 Scope
This document specifies the system architecture and functional requirements of each part, positioning signal structure, positioning process and other technical requirements of the in-band and co-band positioning system, and describes the test methods.
This document is applicable to co-band positioning and in-band positioning in downlink positioning in the terrestral beacon system (TBS) of LTE and 5G mobile communication network.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 39414.2-2020 Interface specification for signal in space of BeiDou navigation satellite system - Part 2: Open service signal B2a
YD/T 3936-2021 Overall technical requirements for high precision positioning based on mobile communication network
3GPP TS 36.211 vl6.6.0 Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation
3GPP TS 36.305 v16.3.0 Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Stage 2 functional specification of User Equipment (UE) positioning in E-UTRAN
3GPP TS 37.571-2 v16.8.0 Universal Terrestrial Radio Access (UTRA) and Evolved UTRA (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification for UE positioning; Part 2: Protocol conformance
3GPP TS 38.211 vl6.6.0 NR; Physical channels and modulation
3GPP TS 38.305 v16.5.0 NG Radio Access Network (NG-RAN); Stage 2 functional specification of User Equipment (UE) positioning in NG-RAN
3GPP TS 38.455 v16.6.0 NG-RAN;NR Positioning Protocol A (NRPPa)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
co-band positioning technology
positioning technology of broadcasting the positioning signal on the frequency band where the communication signal is working at a low power that does not affect the normal operation of the communication signal
3.2
in-band positioning technology
positioning technology uses the communication subcarrier to broadcast the positioning reference signal under the frame structure of communication network
4 Abbreviations
For the purposes of this document, the following abbreviations apply.
A/D: Angalog to Digital
BDT: Beidou time
C/A: Coarse Acquisition
CRC: Cyclic Redundancy Check
D/A: Digital to Angalog
GPS: Global Positioning System
ID: Identity document
LDPC: Low Density Parity Check Code
LSB: Least Significant Bit
LTE: Long Term Evolution
MSB: Most Significant Bit
NR: New Radio
SMA: SubMiniature Version A
TBMF: Territorial Beacon Management Function
TBS: Territorial Beacon System
TDL: Tapped Delay Line
TDOA: Time Difference Of Arrival
UTC: Coordinated Universal Time
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 In-band and co-band positioning technology system architecture
5.1 Overall logical structure
5.2 Overall network architecture
5.3 Structure of signal sending entity
5.4 Structure of positioning terminal
6 Functions of equipment
6.1 Functions of signal sending entity
6.2 Functions of terminal
7 Equipment performance
7.1 Performance of signal sending entity
7.2 Performance of positioning terminal
8 Positioning signaling process
8.1 In-band positioning signaling process
8.2 Co-band positioning signaling process
9 Test Method
9.1 Test environment
9.2 Test methods of signal sending entity
9.3 Test methods of positioning terminal
9.4 Signaling consistency test
Annex A (Informative) Introduction of co-band positioning technology
A.1 Introduction of co-band positioning technology
A.2 Comparison between co-band positioning signals and GPS signals
Annex B (Normative) In-band and co-band positioning signals
B.1 Requirements for in-band positioning signals
B.2 Requirements for co-band positioning signals
Bibliography
基于移动通信网的带内与共频带定位技术要求及测试方法
1 范围
本文件规定了带内与共频带定位系统的系统架构和各部分功能要求、定位信号结构、定位流程等技术要求，描述了测试方法。
本文件适用于LTE与5G移动通信网地面信标系统(TBS)中下行定位方式的共频带定位和带内定位。
2 规范性引用文件
下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。
GB/T 39414.2-2020 北斗卫星导航系统空间信号接口规范第2部分： 公开服务信号B2a
YD/T 3936-2021 基于移动通信网的高精度定位总体技术要求
3GPP TS 36.211 vl6.6.0 演进通用陆地无线接入(E-UTRA); 物理信道和调制[Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation]
3GPP TS 36.305 v16.3.0 演进通用陆地无线接入网络(E-UTRAN);E-UTRAN 中用户设备(UE) 定位阶段2功能规范[Evolved Universal Terrestrial Radio Access Network(E-UTRAN); Stage 2 functional specification of User Equipment (UE) positioning in E-UTRAN]
3GPP TS 37.571-2 v16.8.0 通用陆地无线接入(UTRA) 和演进(UTRACE-UTRA) 和演进分组核心(EPC):UE 定位用户设备(UE) 一致性规范；第2部分：协议一致性[Universal Terrestrial Radio Access (UTRA) and Evolved UTRA (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification for UE positioning; Part 2: Protocol conformance]
3GPP TS 38.211 vl6.6.0 NR,物理信道和调制(NR; Physical channels and modulation)
3GPP TS 38.305 v16.5.0 NG无线接入网络(NG-RAN);NG-RAN 中用户设备(UE) 定位的第2阶段功能规范[NG Radio Access Network (NG-RAN); Stage 2 functional specification of User Equipment (UE) positioning in NG-RAN]
3GPP TS 38.455 v16.6.0 NG-RAN;NR 定位协议 A(NRPPa) [NG-RAN;NR Positioning Protocol A(NRPPa)]
3 术语和定义
下列术语和定义适用于本文件。
3.1
共频带定位技术 co-band positioning technology
以不影响通信信号正常工作的低功率在通信信号工作的频段上播发定位信号的定位技术。
3. 2
带内定位技术 in-band positioning technology
在通信网帧结构的框架下，使用通信子载波播发定位参考信号的定位技术。
4 缩略语
下列缩略语适用于本文件。
A/D：模数转换(Angalog to Digital)
BDT：北斗时(Beidou time)
C/A：粗捕获(Coarse Acquisition)
CRC：循环冗余校验(Cyclic Redundancy Check)
D/A：数模转换(Digital to Angalog)
GPS：全球定位系统(Global Positioning System)
ID：身份识别号(Identity document)
LDPC：低密度校验纠错码(Low Density Parity Check Code)
LSB：最低有效位(Least Significant Bit)
LTE：长期演进(Long Term Evolution)
MSB:最高有效位(Most Significant Bit)
NR：新一代无线(New Radio)
SMA：超小型A 版(SubMiniature Version A)
TBMF：地面信标管理功能(Territorial Beacon Management Function)
TBS：地面信标系统(Territorial Beacon System)
TDL：抽头延时线(Tapped Delay Line)
TDOA：信号到达时间差(Time Difference Of Arrival)
UTC：协调世界时(Coordinated Universal Time)
