D2D Identifier Generation Using Network Status Information
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Solution Overview
Problem
Conventional methods for generating identifiers in device-to-device (D2D) communication fail to ensure uniqueness, leading to conflicts and lack of synchronization between self-assigned identifiers and the network, and do not involve the network device in the identifier generation process.
Innovation Solution
A method where a network device determines the status information and length of identifier parts for a terminal device, generating an indication that allows the terminal device to create a unique identifier associated with both the network device and itself, ensuring the identifier is meaningful and unique.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If terminal devices self-assign identifiers in D2D communication, then the identifier generation process is simple and fast, but the identifiers lack uniqueness and cause conflicts
Solution Approach 1:
The network device acts as an intermediary that provides guidance information to terminal devices for identifier generation. The network device determines status information and generates indication information containing length parameters, which terminal devices use to create unique identifiers by combining their self-assigned values with network-provided parameters, ensuring both speed and uniqueness
Solution Approach 2:
The patent changes the parameters available to terminal devices for identifier generation. By dynamically providing length parameters and status information from the network device, the system transforms the identifier generation process from purely local self-assignment to a hybrid approach where network-controlled parameters ensure uniqueness while terminal device participation maintains speed
2Ease of operation
If terminal devices self-assign identifiers independently, then the generation process is autonomous and fast, but synchronization with the network is lost
Solution Approach 1:
The network device provides feedback to terminal devices through indication information containing status information and length parameters. This feedback mechanism ensures that terminal devices remain synchronized with the network while maintaining autonomous generation capabilities, as they use the network-provided parameters to create identifiers that are consistent with network state
Solution Approach 2:
The network device performs preliminary actions by determining status information and generating indication information before terminal devices generate identifiers. This preliminary provision of parameters ensures that terminal devices can autonomously generate identifiers that are already synchronized with network state, eliminating the need for subsequent synchronization
3Reliability
If the network device is involved in identifier generation, then identifier uniqueness is ensured, but the generation process becomes more complex
Solution Approach 1:
The identifier generation process is segmented into two parts: the network device determines status information and generates indication information with length parameters, while terminal devices use these parameters to create the final identifiers. This segmentation allows the network to ensure uniqueness without managing all identifier generation directly, reducing overall system complexity
Solution Approach 2:
Terminal devices continue to self-generate identifiers using locally available resources (their own identifiers and the provided length parameters), maintaining self-service capability. The network device only provides guidance information, allowing terminal devices to autonomously create unique identifiers without complex centralized management
Data Source
AI summary
Embodiments of the disclosure provide a method and device for facilitating D2D communication. According to the embodiments of the present disclosure, the identifier of the terminal device for D2D communication may be generated based on the status information of the network and the terminal device. According to the embodiments of the present disclosure, the generated identifier may be meaningful to the network device and also may be unique for the terminal device. According to the embodiments of the present disclosure, the method may also be implemented in a M2M system.