Sidelink Resource Indication for Coordinated Time-Frequency Selection
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Solution Overview
Problem
Existing sidelink communication technologies lack effective resource coordination solutions for user devices performing direct communication, particularly in scenarios like Vehicle to Everything (V2X), where devices struggle to utilize resource sets indicated by other devices for efficient resource selection.
Innovation Solution
A method where a first device sends indication information including a time-frequency resource set and measurement information values, such as S-RSRP, to a second device, enabling the second device to perform resource selection based on these indications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If devices perform direct sidelink communication without resource coordination, then communication autonomy is improved, but resource interference increases
Solution Approach 1:
The patent introduces a network device as an intermediary to coordinate resource allocation between user devices. The network device sends indication information containing time-frequency resource sets and measurement thresholds to user devices, enabling coordinated resource selection while maintaining direct communication benefits. This mediator approach resolves the contradiction by providing centralized resource management without eliminating device autonomy.
2Speed
If devices select resources independently without indication information, then resource selection speed is improved, but resource selection accuracy deteriorates
Solution Approach 1:
The network device performs preliminary resource evaluation and sends indication information containing pre-assessed time-frequency resource sets and measurement thresholds to user devices before actual communication. This allows user devices to quickly select resources based on pre-processed information, maintaining speed while improving accuracy through the network device's comprehensive resource assessment capabilities.
3Measurement precision
If resource coordination information is exchanged between devices, then resource selection accuracy is improved, but communication overhead increases
Solution Approach 1:
The network device acts as a mediator that consolidates resource coordination information and transmits it efficiently to user devices through indication information. This approach improves resource selection accuracy by providing comprehensive resource set and threshold information while minimizing overhead through centralized information management and compact signaling formats.
Solution Approach 2:
The patent uses parameter changes by transmitting condensed indication information containing essential resource set identifiers and measurement thresholds rather than full resource descriptions. This transforms detailed resource coordination data into compact parameters that maintain accuracy while reducing communication overhead significantly.
Data Source
AI summary
A method for determining resource, an apparatus for determining resource, and a storage medium are provided. The method for determining resource may be applied to a first device, and may include: sending first indication information, wherein the first indication information includes an indication of a time-frequency resource set; sending second indication information, wherein the second indication information includes an indication of a measurement information value corresponding to the time-frequency resource set. The method may be applied to a second device, and may include: receiving first indication information and second indication information sent by a first device, wherein the first indication information includes an indication of a time-frequency resource set, and the second indication information includes an indication of a measurement information value corresponding to the time-frequency resource set; performing resource selection based on the first indication information and the second indication information.