Paging Controller Identifies Legacy and Advanced Terminals
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Solution Overview
Problem
Conventional wireless communication systems lack the ability to support multiple paging formats for legacy and advanced access terminals, which operate under different standards and protocols, leading to inefficient identification and paging processes.
Innovation Solution
A method is introduced where a paging controller determines whether an access terminal is legacy or advanced, using fixed or mode-dependent identifiers, and allocates specific paging cycles and offsets, allowing for dynamic storage and transmission of appropriate paging advertisement messages to each type, enabling efficient identification and paging of both legacy and advanced devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single paging format is used for all access terminals, then the system structure remains simple, but the system cannot efficiently support both legacy and advanced devices operating under different standards and protocols
Solution Approach 1:
The paging system is segmented into distinct formats: legacy paging format for traditional devices and advanced paging format for modern devices. The network device determines which format to use based on device type, allowing simultaneous support of multiple device categories without forcing a single unified structure that would compromise either simplicity or compatibility
Solution Approach 2:
The paging system achieves multi-functionality by incorporating both legacy and advanced paging formats within a single system framework. The network device can selectively apply different paging procedures and identifier types (permanent identifiers for legacy, temporary identifiers for advanced) to serve diverse device requirements while maintaining overall system universality
2Productivity
If different paging cycles are allocated for legacy and advanced devices, then paging efficiency for each device type improves, but the system complexity increases due to managing multiple paging formats and identifier types
Solution Approach 1:
Different paging cycles and procedures are assigned to different device types based on their specific requirements. Legacy devices receive traditional paging cycles using permanent identifiers, while advanced devices receive optimized paging cycles using temporary identifiers. This localized optimization improves overall paging efficiency without requiring complete system redesign
Solution Approach 2:
The paging system dynamically adapts its behavior based on device type detection. The network device determines whether an access terminal is legacy or advanced and automatically selects the appropriate paging format, identifier type, and cycle configuration. This dynamic adaptation allows efficient handling of multiple device types while keeping the control logic centralized in the network device
3Measurement precision
If mode-dependent identifiers are used for advanced devices in idle mode, then identification accuracy improves, but the system complexity increases due to managing multiple identifier types and lengths
Solution Approach 1:
The system changes identifier parameters (type and length) based on device mode and type. Advanced devices in idle mode use temporary identifiers with specific bit lengths (e.g., 18-bit de-registration identifier), while connected mode devices use different identifier types. This parameter adaptation enables precise identification tailored to operational context without requiring a single complex identifier scheme
Solution Approach 2:
The network device acts as an intermediary that manages the complexity of multiple identifier types. It maintains mappings between permanent and temporary identifiers, determines appropriate identifier usage based on device state, and handles the translation between different identifier formats. This intermediary role shields the overall system from direct complexity while enabling precise identification
Data Source
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Figure 3A~3B
AI summary
The present invention provides a method for paging legacy and advanced access terminals. One embodiment of the method comprises receiving a notification that an access terminal is entering an idle mode and determining whether the access terminal is a legacy device identified by a fixed length identifier or an advanced device identified by one of a plurality of mode-dependent identifiers. The mode-dependent identifier is used to identify the advanced device in the idle mode. This embodiment may also include allocating one or more first paging cycles to the access terminal when it is a legacy device or one or more second paging cycles to the access terminal when it is an advanced device. The first and second paging cycles are different.