Base Station Carrier Allocation for Prioritized V2X Services
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Solution Overview
Problem
In existing LTE communications systems, the allocation of carriers for V2X services is not adequately prioritized, leading to potential interference and reduced efficiency in vehicle-to-everything (V2X) services due to the base station configuring carriers based solely on UE and network capabilities without considering the specific service type requested by the user equipment.
Innovation Solution
The proposed method involves the base station allocating carriers based on the service type requested by the user equipment, specifically for V2X services, by considering carrier aggregation capabilities and priorities, and configuring carriers that may not be used by the base station, ensuring efficient communication by prioritizing V2X services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the base station configures carriers for UE based solely on carrier aggregation capability and base station capabilities, then the carrier configuration process is simple, but the communication efficiency of V2X services deteriorates
Solution Approach 1:
The base station performs preliminary actions by notifying the UE of available carriers for V2X services through system broadcast before the UE requests carriers. This allows the UE to proactively report its V2X service carrier requests, enabling the base station to prioritize V2X service carrier allocation and improve communication efficiency without significantly increasing configuration complexity
Solution Approach 2:
The UE provides feedback to the base station by reporting the carrier requested for use, which includes indicating V2X service carriers. The base station uses this feedback information to determine and configure appropriate carriers for the UE, prioritizing V2X service carriers to improve communication efficiency while maintaining manageable configuration complexity
2Device complexity
If the base station allocates carriers without considering service types, then the carrier allocation process is simple, but the service quality of V2X services deteriorates
Solution Approach 1:
The base station applies local quality by differentiating carrier allocation based on service types. When the UE reports a carrier requested for use with indication of V2X service type, the base station prioritizes allocating that specific carrier for V2X services, ensuring high service quality for critical V2X communications while maintaining simple allocation processes for other services
3Device complexity
If the UE can only use carriers used by the base station, then the carrier resource management is simple, but the adaptability of the system deteriorates
Solution Approach 1:
The system achieves universality by enabling the UE to use carriers not only from the base station's own carrier set but also from carriers used by other base stations. The base station manages this expanded carrier resource pool by receiving UE requests for carriers outside its own set and coordinating allocation, thereby improving system adaptability while maintaining manageable resource management through standardized procedures
Data Source
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AI summary
A communication method and an apparatus are provided to improve communications efficiency. The communication method includes: receiving, by a base station, carrier aggregation capability information from UE; receiving, by the base station, carrier information from the UE, where the carrier information indicates a carrier requested by the UE for use, the carrier information includes first information, the first information is used to indicate a type of a service corresponding to at least some of the carrier requested by the UE for use, the carrier requested by the UE for use includes a carrier other than all carriers used by the base station; and sending, by the base station, indication information to the UE based on the carrier aggregation capability information and the carrier information, where the indication information is used to indicate allowing the UE to use one or more of the carrier requested by the UE for use.