D2D UE Access Node Switching via Auxiliary Information
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Solution Overview
Problem
Existing Device-to-Device (D2D) communication technologies face challenges in seamlessly switching access nodes, leading to communication interruptions and poor quality when D2D UE moves across cell coverage areas, as they lack methods for timely node replacement and handover.
Innovation Solution
An information processing method and communication node system that acquires auxiliary information from the current access node to facilitate switching to a new access node, enabling D2D UE to maintain communication continuity and quality by providing necessary cell and random access resource information for node replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If D2D UE uses a fixed access node for communication, then connection stability is maintained, but communication continuity deteriorates when moving across cell coverage areas
Solution Approach 1:
The patent implements dynamic access node switching by enabling D2D UE to transition between different access nodes (base stations or relay nodes) based on movement across cell coverage areas. The system dynamically determines whether to switch from a base station to a relay node or between base stations, ensuring continuous communication while adapting to changing network conditions and UE location.
2Adaptability or versatility
If D2D UE switches access nodes frequently to maintain coverage, then communication continuity is improved, but communication quality deteriorates due to handover interruptions
Solution Approach 1:
The patent applies preliminary action by having the network side device pre-determine and provide auxiliary information about alternative access nodes before the D2D UE actually needs to switch. This includes providing cell information and random access resource information in advance, allowing the UE to perform handover more smoothly and reduce interruption time during access node switching.
3Ease of operation
If D2D UE relies on network infrastructure for access node management, then handover control is improved, but device complexity increases due to additional switching mechanisms
Solution Approach 1:
The patent uses the network side device as an intermediary to manage access node switching. The network side device determines whether auxiliary information for switching should be provided, selects appropriate access nodes, and coordinates the handover process. This mediator approach simplifies the overall system by centralizing switching logic in the network rather than requiring complex autonomous decision-making in the UE.
Data Source
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AI summary
An information processing method and a communication node are disclosed. The method is applied to a first Device-to-Device (D2D) User Equipment (UE), and includes that: auxiliary information is received from a first access node of the first D2D UE; and according to the auxiliary information, a second access node is accessed; the first access node and the second access node are of different types. A computer storage medium is also disclosed.