T/COS 002-2019 Active Group standards

T/COS 002-2019 Interface Requirements for High Accuracy Portable Satellite Navigation Positioning Device

Publish Date: 2019-03-01 Implement Date: 2019-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/COS 002-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Labor safety technology

ICS Name: Integration, terminology, standardization, and literature (vocabulary)

Publish Date: 2019-03-01

Implement Date: 2019-03-01

Scope

Scope: This standard specifies the hardware interface, network data transmission protocol, and communication protocol between the device and the APP of high-precision portable satellite navigation and positioning devices. This standard applies to the development and service access of high-precision portable satellite navigation and positioning devices (hereinafter referred to as "devices"). Main technical content: The following abbreviations are applicable to this document. ACK – Acknowledgement APP – Application Program DC – Direct Current DFU – Device Firmware Update GNSS – Global Navigation Satellite System HTTP – Hyper Text Transfer Protocol ID – Identification JSON – JavaScript Object Notation MAC – Media Access Control MMCX – Miniature Microax RF Coaxial Connector RTCM – Radio Technical Commission for Maritime Services SMA – Sub-Miniature-A SBAS – Satellite-Based Augmentation Systems TNC – Thread Neill Concelman TTL – Transistor-Transistor Logic USB – Universal Serial Bus UTC – Universal Time of Coordinated Time 4. Interface Classification The device interface includes hardware interface and software interface. The hardware interface consists of antenna interface, data interface, power interface, etc.; the software interface consists of network data transmission protocol, communication protocol, etc. 5. Hardware Interface The technical relationship of the device hardware interface is shown in Table 1. Table 1 Technical Relationship of the Device Hardware Interface Interface Category Technical Relationship Antenna Interface SMA, MMCX, TNC, etc. Data Interface USB, RS232, RS422, TTL, etc. Power Interface DC 6. Network Data Transmission Protocol 6.1 Communication Protocol The communication protocol uses the HTTP protocol. The platform acts as the server, and the device acts as the client. The request sending method is POST, and the data content is in JSON format. 6.2 Protocol Content