Relay Device Paging for Out-of-Coverage Terminals
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Solution Overview
Problem
In IMT-Advanced cellular communication systems, terminals outside network coverage often fail to receive paging information, leading to reduced paging success rates due to the reliance on base station-centered service provision.
Innovation Solution
A method where a core network device determines a relay device corresponding to a terminal and sends a paging request message to an access network device, which then relays paging information to the terminal through the relay device, ensuring coverage even when the terminal is outside the primary network coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If base station-centered service provision is used in cellular communication systems, then network structure is simplified and service delivery is standardized, but terminals outside network coverage cannot receive paging information, reducing paging success rate
Solution Approach 1:
The patent introduces relay terminals as intermediary nodes between base stations and remote terminals. These relay terminals receive paging information from base stations via air interface and forward it to remote terminals, enabling indirect communication paths that extend coverage beyond traditional base station range while maintaining standardized service delivery mechanisms
Solution Approach 2:
The patent adds a new communication dimension by enabling direct air interface communication between base stations and relay terminals, in addition to the traditional base station-to-terminal path. This creates multiple communication dimensions (direct and indirect paths) that improve paging reliability for terminals in coverage extension scenarios
Data Source
AI summary
The present disclosure discloses a method, device, and system for paging a terminal. The method includes: a core network device determines a relay device corresponding to a terminal to be paged, and sends a paging request message to an access network device corresponding to the relay device, so that the access network device sends paging information to the relay device and the relay device relays the paging information to a terminal.