Capability-Aware Paging for Lower-Energy Communication Networks
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Solution Overview
Problem
The increasing energy consumption of communications networks, particularly in radio access networks, is a significant operational cost for operators, exacerbated by the inefficiencies in paging mechanisms that lead to unnecessary power consumption and false alarms for RedCap and non-network energy-saving terminals.
Innovation Solution
Introduce terminal capability indications, such as RedCap and network energy-saving features, into interface messages (NG and Xn) to enable network devices to selectively transmit paging messages based on terminal capabilities, reducing unnecessary transmissions and false alarms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If paging messages are transmitted to all terminal devices regardless of capability, then all terminals can receive paging messages, but energy consumption increases and false alarms occur for RedCap and energy-saving terminals
Solution Approach 1:
The patent applies local quality by differentiating paging message transmission based on terminal device capabilities. Network devices transmit paging messages selectively to terminals that support traditional paging, while excluding RedCap and energy-saving terminals from certain paging transmissions. This capability-based differentiation resolves the contradiction by ensuring reliable delivery to capable terminals while avoiding unnecessary energy consumption for terminals with energy-saving features.
Solution Approach 2:
The patent segments the terminal device population into different capability groups (traditional terminals vs. RedCap/energy-saving terminals). By segmenting the paging message transmission process based on terminal capabilities, the system can apply different transmission strategies to different segments, thereby maintaining reliability for traditional terminals while reducing energy consumption overall.
2Adaptability or versatility
If capability indication messages are transmitted between network devices, then selective paging can be implemented, but signaling overhead and message transmission complexity increase
Solution Approach 1:
The patent changes the parameter of terminal capability information by introducing specific capability indication parameters (RedCap capability, network energy-saving capability) into existing interface messages. Rather than creating entirely new complex message structures, the patent modifies existing messages by adding capability indication fields, thereby achieving paging strategy adaptability while minimizing the increase in message complexity.
Data Source
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AI summary
Disclosed are a communication method and a communications apparatus. The method includes: receiving, by a first network device, first information, where the first information indicates whether a first terminal device supports a first capability. The method in embodiments of this application facilitates reduction of power consumption of a communications system.