Base Station Cross-Domain Tracking for Wireless Handoffs
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Solution Overview
Problem
Conventional wireless networks face challenges in accurately tracking mobile communication devices across different subscriber domains, leading to inefficiencies in handoff processes and location updates, especially when devices move between coverage areas.
Innovation Solution
A system where base stations receive and decode messages from mobile devices using multiple wireless communication protocols, enabling tracking of device locations and facilitating seamless handoffs between customer premises equipment without terminating wireless communication sessions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional wireless networks use fixed wireless access links for each subscriber domain, then network connectivity is provided to customers, but tracking mobile devices across different subscriber domains becomes inaccurate and inefficient
Solution Approach 1:
The base station is designed to perform multiple functions: it serves as both a fixed wireless access point for subscriber domains and a mobile device tracking node. The base station receives and processes messages from mobile devices using multiple wireless communication protocols (LTE and WiFi), enabling it to track devices regardless of which subscriber domain they are in. This multi-functional design allows accurate cross-domain tracking without requiring separate specialized tracking infrastructure.
Solution Approach 2:
The base station acts as an intermediary between mobile devices and the network management system. It receives messages from mobile devices via fixed wireless access links, determines their locations, and communicates this information to the network. This intermediary role simplifies the handoff process by providing a centralized point that coordinates tracking and handoff operations across multiple subscriber domains.
2Measurement precision
If base stations track mobile devices using multiple communication protocols, then location accuracy improves, but system complexity increases
Solution Approach 1:
The base station's message processing function is segmented into protocol-specific handlers. It receives messages encoded in either LTE or WiFi protocols and routes them to appropriate processing paths. This segmentation allows the base station to support multiple communication protocols without requiring a single complex processing pipeline, thereby improving location detection accuracy while managing system complexity through modular architecture.
3Reliability
If handoff processes are simplified for mobile devices, then connectivity continuity improves, but location tracking precision may be reduced
Solution Approach 1:
The base station performs preliminary location tracking and maintains device location information continuously, even before handoff events occur. By pre-establishing tracking data and maintaining connectivity information, the system ensures seamless handoff while preserving location accuracy. The base station is already aware of device locations and connectivity status before handoff is needed, eliminating gaps in tracking during transitions.
Data Source
AI summary
A communication system includes a base station disposed in a wireless network environment. During operation, the base station receives a first message communicated over a first fixed wireless access communication link from a mobile communication device. The base station receives a second message communicated over a second fixed wireless access communication link from the mobile communication device. Via the first message and the second message, the base station tracks a current location of the mobile communication device in the wireless network environment.