GB/T 41239-2022 English PDF (GBT41239-2022)

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GB/T 41239-2022: Public telecom network - Requirements for vehicle information service
GB/T 41239-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 33.030
CCS L 67
Public telecom network - Requirements for vehicle
information service
ISSUED ON: MARCH 09, 2022
IMPLEMENTED ON: OCTOBER 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions... 5 
5 General overview ... 6 
5.1 System structure ... 6 
5.2 Main interface requirements ... 8 
6 Perception extension layer requirements ... 10 
6.1 General requirements ... 10 
6.2 Technical requirements ... 11 
7 Network transport layer requirements ... 13 
7.1 General requirements ... 13 
7.2 Technical requirements ... 13 
8 Business layer requirements ... 14 
8.1 General requirements ... 14 
8.2 Technical requirements ... 16 
9 Application layer requirements ... 18 
9.1 Business scope ... 18 
9.2 Business categories ... 19 
10 Security requirements ... 27 
10.1 Perception extension layer ... 27 
10.2 Network transport layer ... 28 
10.3 Business layer ... 28 
10.4 Application layer ... 29 
11 Service QoS requirements ... 29 
12 Data storage requirements ... 30 
13 Exception handling requirements ... 30 
Annex A (informative) Business process ... 31 
Annex B (informative) Typical use case ... 35 
Public telecom network - Requirements for vehicle
information service
1 Scope
This Standard specifies proposes an overall framework for vehicle information services
based on the public telecom network. It specifies the requirements of perception
extension layer, network transport layer, business layer, application layer, security
requirements, service QoS requirements, data storage requirements and exception
handling requirements.
This Standard applies to the system, equipment and business of vehicle information
service based on the public telecom network.
2 Normative references
The following referenced documents are indispensable for the application 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 6107-2000, Interface between data terminal equipment and data circuit
terminating equipment employing serial binary data interchange
GB/T 15629.15-2010, Information technology - Telecommunications and
information exchange between systems local and metropolitan area networks -
Specific requirements - Part 15: Wireless medium access control and physical layer
(PHY) specification for low-rate wireless personal area networks
ISO 11898-1:2015, Road vehicles - Controller area network (CAN) - Part 1: Data
link layer and physical signaling
ISO 11898-2:2016, Road vehicles - Controller area network (CAN) - Part 2: High-
speed medium access unit
ISO 11898-3:2006, Road vehicles - Controller area network (CAN) – Part 3: Low-
speed, fault-tolerant, medium-dependent interface
TIA/EIA-485-A, Electrical Characteristics of Generators and Receivers for Use in
Balanced Digital Multipoint Systems
3GPPTS102250-7, Speech and multimedia Transmission Quality (STQ); QoS
aspects for popular services in mobile networks; Part 7: Network based Quality of
access technologies such as 2G, 3G, 4G, 5G, and WLAN. The core network sublayer
implements data transmission between the vehicle terminal and the service layer.
The business layer consists of a business management platform and a business support
platform. The business management platform and the business support platform jointly
complete the support and management of various applications of vehicle information
services. The business management platform realizes functions such as application
management, user management, order management, terminal management, business
management, and system management. It is connected with peripheral systems such as
intelligent customer service centers, rescue management agencies, etc. The business
support platform mainly realizes the functions of partner management, user relationship
management, billing, comprehensive collection, comprehensive settlement, and
business analysis.
The application layer consists of various application systems that provide vehicle
information services. There are mainly communication services, road navigation, driver
assistance, remote monitoring and infotainment applications.
5.2 Main interface requirements
5.2.1 Interface between TCU and automotive CAN bus
The interface between TCU and automobile CAN bus includes the following:
a) Electrical interface between TCU and CAN bus: TCU shall have the ability to
adapt and convert the existing communication interface (such as GB/T 6107-2000,
USB) to the CAN bus interface, and realize the physical interface with the CAN
bus;
b) Physical layer interface between TCU and CAN bus: shall comply with ISO
11898-2:2016 and ISO 11898-3:2006;
c) Data link layer interface between TCU and CAN bus: shall comply with ISO
11898-1:2015;
d) Application layer interface between TCU and CAN bus: shall comply with one or
more standards such as CAN Open (application standard of CAN-based
distributed industrial automation system and CAN application layer
communication standard), DeviceNet (applicable to the lowest field bus).
5.2.2 Vehicle terminal and TCU interface
The interface between the vehicle terminal and the TCU includes wired and wireless:
a) Wired transmission interface: shall comply with GB/T 6107-2000 and TIA/EIA-
485-A and other standards;
b) Wireless transmission interface: shall comply with standards such as Bluetooth.
5.2.3 Network transport layer and vehicle terminal interface
Network transport layer and vehicle terminal interface: shall support GPRS, SMS,
MMS, USSD, and so on.
5.2.4 Business management platform and network transport layer interface
Interface between the business management platform and the network transport layer:
it shall support both wired and wireless and conform to standards such as Ethernet and
WLAN.
5.2.5 Interface between business management platform and business support
platform
The business support platform accepts user account opening, business opening, data
entry and maintenance, complaints and suggestions to realize business marketing,
accounting and billing. The business support platform can open user and business data
to the business management platform through API.
5.2.6 Business management platform and peripheral system interface
5.2.6.1 Business management platform and intelligent customer service center
system interface
The business management platform can open business data to the intelligent customer
service center system through API, so that the agents of the intelligent customer service
center can obtain business data related to the vehicle terminal and provide human
services.
5.2.6.2 Interface between the business management platform and the information
system of the rescue management agency
The business management platform can open data such as vehicle speed, acceleration,
steering wheel position, steering, steering speed and vehicle damage degree at the time
of the accident to the rescue management agency information system through API.
5.2.6.3 Interface between business management platform and traffic management
information system
The business management platform can open to the...