ProSe ID Expression for D2D Connection Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for a method to detect and control device-to-device (D2D) communication in cellular networks by identifying and utilizing the ProSe ID of user equipment (UE) to facilitate efficient D2D communication, including paging and connection management within the cellular network.
Innovation Solution
A method involving user equipment (UE) acquiring and broadcasting its ProSe ID, generating expressions for D2D communication, receiving and responding to connection requests, and establishing direct D2D connections through the cellular network, utilizing the ProSe ID for authorization and resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If D2D communication is enabled without cellular network involvement, then communication efficiency and speed are improved, but network control and security management deteriorate
Solution Approach 1:
The cellular network acts as an intermediary that facilitates D2D communication by enabling device discovery, managing resource allocation, and maintaining security control. The network infrastructure mediates between direct device communication and centralized control requirements, allowing efficient D2D links while preserving network authority through signaling protocols and resource management mechanisms.
2Ease of operation
If ProSe ID is broadcasted for device discovery, then device discoverability is improved, but information security and privacy deteriorate
Solution Approach 1:
The ProSe ID is designed with local quality characteristics where different portions of the identifier serve different functions. The ProSe ID includes a group ID portion that can be publicly broadcast for device discovery and pairing purposes, while the application ID portion remains protected and is only revealed after secure authentication. This allows devices to be discoverable in their operational context while maintaining security for sensitive identification information.
3Reliability
If cellular network resources are used for D2D communication setup, then connection reliability is improved, but network resource consumption increases
Solution Approach 1:
The cellular network provides partial support for D2D communication by being involved only in the initial setup and discovery phases. Once devices are paired and connected, the D2D communication proceeds independently without continuous network involvement. This partial action approach maintains connection reliability during critical setup phases while minimizing overall network resource consumption during actual data transmission.
Data Source
AI summary
A method and apparatus for performing a device-to-device (D2D) communication by a user equipment and supporting D2D communication by a communication entity. The D2D communication method may include: acquiring ProSe ID of the UE or the UE's user, which is used in the D2D communication; generating an expression by using the ProSe ID; broadcasting the generated expression; receiving a direct D2D connection request message from another UE over a core network; sending a direct connection accept message in response to the direct D2D connection request message; and performing the D2D communication with another UE. Accordingly, D2D communication can be efficiently performed.