V2X Communication Range Assessment With Adaptive Transmission Power
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Solution Overview
Problem
Existing communication technologies, such as Dedicated Short Range Communication (DSRC) and cellular-based V2X, face limitations in message transmission distance between vehicles, necessitating improved methods for direct communication in vehicular environments.
Innovation Solution
A method for direct communication between terminals in a telecommunication system, utilizing a communication protocol stack that includes application, service enabling, access stratum, and physical layers to determine and adjust transmission power based on predefined communication ranges and radio access technologies, enabling efficient message transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If DSRC technology is used for V2X communication, then direct vehicle-to-vehicle communication is enabled, but the message transmission distance is limited
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting transmission power levels and selecting different radio access technologies (LTE, NR, Wi-Fi) based on the required communication distance and environmental conditions. This allows the system to extend transmission distance beyond DSRC limitations while maintaining reliable communication through adaptive parameter optimization.
2Length of moving object
If transmission power is increased to extend communication range, then message transmission distance is improved, but energy consumption increases
Solution Approach 1:
The patent implements dynamics by making transmission power adaptive rather than static. The system continuously monitors communication conditions and dynamically adjusts power levels to the minimum required for reliable transmission at the desired distance. This prevents unnecessary energy consumption while maintaining extended communication range when needed.
Solution Approach 2:
The patent applies universality by implementing a multi-layer protocol stack that supports multiple radio access technologies (LTE, NR, Wi-Fi, DSRC). This allows the system to select the most energy-efficient technology for each communication scenario, achieving extended range without always relying on high-power transmission.
3Adaptability or versatility
If multiple radio access technologies are integrated for V2X communication, then communication adaptability is improved, but system complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the communication system into distinct layered protocols (physical layer, MAC layer, network layer, transport layer, application layer). Each layer handles specific functions independently, allowing multiple radio access technologies to be integrated without creating unmanageable complexity. The layered architecture enables modular management of different technologies.
Solution Approach 2:
The patent uses an intermediary approach by introducing a protocol stack that mediates between different radio access technologies and the V2X application layer. This intermediary layer abstracts the complexities of multiple technologies, providing a unified interface for message transmission while managing the underlying diversity of communication standards.
Data Source
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AI summary
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The method includes receiving, by a vehicle to everything (V2X) layer, first information on a V2X service from a V2X application layer and determining, by the V2X layer, range information corresponding to the first information on the V2X service based on a configuration.