Terminal Resource Request for D2D Allocation
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Solution Overview
Problem
Current methods for device-to-device communication in Advanced EUTRA systems lack efficient resource management, particularly in determining suitable transmission resources for terminal apparatuses, leading to inefficiencies in resource allocation.
Innovation Solution
A terminal apparatus generates a transmission resource request including identifier information for services or applications and frequency information, which is then notified to the base station, allowing the base station to select and allocate appropriate resources for device-to-device communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the base station apparatus allocates transmission resources for device-to-device communication without specific service identification, then resource allocation can be performed, but the base station cannot suitably determine which transmission resource to allocate when multiple resources are present
Solution Approach 1:
The patent segments the resource request information by introducing service-specific identification (service ID or frequency information) that divides the resource allocation process into service-identified segments. This allows the base station to selectively allocate resources based on the specific service requirements rather than treating all requests uniformly, thereby improving allocation accuracy without overwhelming complexity.
Solution Approach 2:
The terminal apparatus performs preliminary action by including service identification information in the resource request before the base station makes the allocation decision. This pre-provides the base station with the necessary service context, enabling it to determine the appropriate transmission resource from multiple available resources without requiring complex real-time analysis.
2Productivity
If generic resource allocation methods are used for device-to-device communication, then allocation can be performed, but resource management efficiency is insufficient
Solution Approach 1:
The patent implements feedback by having the terminal apparatus provide service-specific identification information (service ID or frequency information) in the resource request. This feedback loop enables the base station to understand the specific service requirements and allocate resources accordingly, transforming generic allocation into service-optimized allocation and thereby improving resource management efficiency.
Solution Approach 2:
The patent changes the parameters of the resource request by adding service identification elements (service ID or frequency information). This parameter enhancement allows the base station to differentiate between various services and allocate resources based on specific service characteristics, thereby improving productivity while preserving service requirements information.
Data Source
AI summary
A terminal apparatus generates a transmission resource request message that includes identifier information for identifying a service or an application to which transmission data belongs, or frequency information indicating a frequency that is used for the service or the application to which the transmission data belongs, and notifies the base station apparatus of the generated transmission resource request message, in a case where the transmission data for the service or the application for any device-to-device data communication is prepared in a transmission buffer of the terminal apparatus itself.