Geospatial Identifier Network Modal Design and Scenario Applications for Vehicle-infrastructure Cooperative Networks

PAN Zhongxia; SHEN Congqi; LUO Hanguang; ZHU Jun; ZOU Tao; LONG Keping

doi:10.11999/JEIT250807

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PAN Zhongxia, SHEN Congqi, LUO Hanguang, ZHU Jun, ZOU Tao, LONG Keping. Geospatial Identifier Network Modal Design and Scenario Applications for Vehicle-infrastructure Cooperative Networks[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT250807

Citation:

PAN Zhongxia, SHEN Congqi, LUO Hanguang, ZHU Jun, ZOU Tao, LONG Keping. Geospatial Identifier Network Modal Design and Scenario Applications for Vehicle-infrastructure Cooperative Networks[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT250807

Citation:

PAN Zhongxia, SHEN Congqi, LUO Hanguang, ZHU Jun, ZOU Tao, LONG Keping. Geospatial Identifier Network Modal Design and Scenario Applications for Vehicle-infrastructure Cooperative Networks[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT250807

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Geospatial Identifier Network Modal Design and Scenario Applications for Vehicle-infrastructure Cooperative Networks

doi: 10.11999/JEIT250807 cstr: 32379.14.JEIT250807

Research Center for High Efficiency Computing Facilities, Zhejiang Lab, Hangzhou 311121, China

Funds: The National Key Research and Development Project of China ( 2023YFB2903900), The National Natural Science Foundation of China (U22A2005), Key R&D Program of Zhejiang (2024SSYS0001)

Received Date: 2025-08-27
Accepted Date: 2025-11-12
Rev Recd Date: 2025-11-06

Available Online: 2025-11-18

Abstract

Abstract

Objective Vehicle-infrastructure cooperative Networks (V2X)are open and contain large numbers of nodes with high mobility, frequent topology changes, unstable wireless channels, and varied service requirements. These characteristics create challenges to efficient data transmission. A flexible network that supports rapid reconfiguration to meet different service requirements is considered essential in Intelligent Transportation Systems (ITS). With the development of programmable network technologies, programmable data-plane techniques are shifting the architecture from rigid designs to adaptive and flexible systems. In this work, a protocol standard based on geospatial information is proposed and combined with a polymorphic network architecture to design a geospatial identifier network modal. In this modal, the traditional three-layer protocol structure is replaced by packet forwarding based on geospatial identifiers. Packets carry geographic location information, and forwarding is executed directly according to this information. Addressing and routing based on geospatial information are more efficient and convenient than traditional IP-based approaches. A vehicle-infrastructure cooperative traffic system based on geospatial identifiers is further designed for intelligent transportation scenarios. This system supports direct geographic forwarding for road safety message dissemination and traffic information exchange. It enhances safety and improves route-planning efficiency within V2X. Methods The geospatial identifier network modal is built on a protocol standard that uses geographic location information and a flexible polymorphic network architecture. In this design, the traditional IP addressing mechanism in the three-layer network is replaced by a geospatial identifier protocol, and addressing and routing are executed on programmable polymorphic network elements. To support end-to-end transmission, a protocol stack for the geospatial identifier network modal is constructed, enabling unified transmission across different network modals. A dynamic geographic routing mechanism is further developed to meet the transmission requirements of the GEO modal. This mechanism functions in a multimodal network controller and uses the relatively stable coverage of roadside base stations to form a two-level mapping: “geographic region–base station/geographic coordinates–terminal.” This mapping supports precise path matching for GEO modal packets and enables flexible, centrally controlled geographic forwarding. To verify the feasibility of the geospatial identifier network modal, a vehicle-infrastructure cooperative intelligent transportation system supporting geospatial identifier addressing is developed. The system is designed to facilitate efficient dissemination of road safety and traffic information. The functional requirements of the system are analyzed, and the business processing flow and overall architecture are designed. Key hardware and software modules are also developed, including the geospatial representation data-plane code, traffic control center services, roadside base stations, and in-vehicle terminals, and their implementation logic is presented. Results and Discussions System evaluation is carried out from four aspects: evaluation environment, operational effectiveness, theoretical analysis, and performance testing. A prototype intelligent transportation system is deployed, as shown in Figure 7 and Figure 8. The prototype demonstrates correct message transmission based on the geospatial identifier modal. A typical vehicle-to-vehicle communication case is used to assess forwarding efficiency, where an onboard terminal (T₃) sends a road-condition alert (M) to another terminal (T₂). Sequence-based analysis is applied to compare forwarding performance between the GEO modal and a traditional IP protocol. Theoretical analysis indicates that the GEO modal provides higher forwarding efficiency, as shown in Fig. 9. Additional performance tests are conducted by adjusting the number of terminals (Fig. 10), background traffic (Fig. 11), and transmission bandwidth (Fig. 12) to observe the transmission behavior of geospatial identifier packets. The results show that the intelligent transportation system maintains stable and efficient transmission performance under varying network conditions. System evaluation confirms its suitability for typical vehicle-infrastructure cooperative communication scenarios, supporting massive connectivity and elastic traffic loads. Conclusions By integrating a flexible polymorphic network architecture with a protocol standard based on geographic information, a geospatial identifier network modal is developed and implemented. The modal enables direct packet forwarding based on geospatial location. A prototype vehicle-infrastructure cooperative intelligent transportation system using geospatial identifier addressing is also designed for intelligent transportation scenarios. The system supports applications such as road-safety alerts and traffic information broadcasting, improves vehicle safety, and enhances route-planning efficiency. Experimental evaluation shows that the system maintains stable and efficient performance under typical traffic conditions, including massive connectivity, fluctuating background traffic, and elastic service loads. With the continued development of vehicular networking technologies, the proposed system is expected to support broader intelligent transportation applications and contribute to safer and more efficient mobility systems.
- Polymorphic network,
- Protocol packet processing,
- Network programmability,
- Geospatial identifier network modal,
- Network modal application

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References(17)

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