Access Point Configuration via Forward Link Signals
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Solution Overview
Problem
There is a need for improved techniques to efficiently deploy and configure small-coverage base stations, such as femto cells, which provide robust indoor wireless coverage, especially in ad-hoc deployment scenarios, to enhance communication systems' performance and reliability.
Innovation Solution
The solution involves configuring an access point based on forward link signals received from neighboring macro access points, determining its location through triangulation, and synchronizing its timing with these signals while accounting for phase offsets due to distance, using a forward link receiver and network node cooperation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If access points are deployed in an ad-hoc manner, then deployment flexibility and ease of installation are improved, but network configuration reliability and performance optimization deteriorate
Solution Approach 1:
The access point automatically configures itself by receiving forward link signals from macro access points, determining its own location through triangulation, and synchronizing its timing without requiring manual configuration. This self-service approach maintains deployment flexibility while improving configuration reliability.
Solution Approach 2:
The system performs preliminary configuration actions automatically during deployment by pre-determining location and timing based on received signals from macro access points, eliminating the need for subsequent manual configuration and ensuring reliable network parameters from the start.
2Device complexity
If manual configuration methods are used, then configuration control is improved, but deployment time and complexity increase
Solution Approach 1:
The access point autonomously determines its location and timing by processing forward link signals from macro access points, eliminating the need for manual configuration procedures. This self-service mechanism reduces deployment time while maintaining configuration accuracy through automated signal-based determination.
3Ease of operation
If access points operate without location and timing synchronization, then deployment simplicity is improved, but communication system performance and interference management deteriorate
Solution Approach 1:
The access point automatically achieves location determination and timing synchronization by receiving and processing forward link signals from macro access points. This self-service approach maintains deployment simplicity while improving communication system performance through automated synchronization and interference management.
Solution Approach 2:
The system uses feedback from received forward link signals to automatically adjust and synchronize timing, ensuring optimal performance. The access point continuously monitors signals from macro access points and adjusts its timing accordingly, maintaining simple deployment while achieving high performance through feedback-driven synchronization.
Data Source
AI summary
An access point is configured based on signals received from one or more access points on a forward link. Such an access point may comprise, for example, a relatively small coverage area access point and/or an access point that is deployed in an ad-hoc manner. In some aspects, an access point may determine its location based on signals received from several neighboring macro access points. In some aspects, the timing of an access point may be synchronized to timing indicated by signals that are received from one or more neighboring access points.