Inductive Loop Logic for Contactless Management Data Transfer

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Solution Overview

Problem

Existing wireless telecommunications systems face challenges in accurately aligning antennas due to low signal resolution and corrosion issues with external connectors, requiring complex and impractical connections for management data transfer.

Innovation Solution

Incorporating inductive loop logic within the telecommunications unit to enable contactless communication of management data via a separate wireless link with a portable management unit, allowing for bidirectional data exchange without the need for external connectors, thus avoiding corrosion and moisture ingress.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If external connectors are used for management data transfer, then data exchange is enabled, but corrosion and moisture ingress occur

Engineering Contradiction:

Improvemanagement data transferVSAvoidcorrosion and moisture ingress

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent replaces mechanical connectors with inductive coupling for management data transfer. The inductive interface uses magnetic field coupling between a fixed inductive element on the outdoor unit and a movable inductive element on the service vehicle, eliminating physical contact and thereby preventing corrosion and moisture ingress while enabling bidirectional data exchange.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If a separate wireless link is introduced for management data, then connector integrity is maintained, but device complexity increases

Engineering Contradiction:

Improveenclosure integrityVSAvoidcommunication interface

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The inductive interface serves multiple functions: it enables bidirectional management data transfer, provides electrical isolation to maintain enclosure integrity, and allows flexible connection during installation and maintenance. By combining these functions into a single inductive coupling mechanism, the patent avoids the complexity of multiple separate systems while maintaining reliability.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Object-affected harmful factors

If inductive loop logic is used for contactless communication, then corrosion is avoided, but manufacturing complexity increases

Engineering Contradiction:

Improvecorrosion preventionVSAvoidproduction process

Core Design Contradiction:

Object-affected harmful factorsVSEase of manufacture

Solution Approach 1:

The patent extracts the data transfer function from the mechanical connector and implements it separately through inductive coupling. The inductive elements are integrated into existing housings - the fixed inductive element is incorporated into the outdoor unit housing while the movable inductive element is part of the service vehicle - simplifying manufacturing by reusing existing structural components rather than adding complex new systems.

Inventive Principle:

Principle #2Taking out (Extraction)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution provides a cost-effective, accurate, and flexible method for managing and aligning antennas, enabling single-engineer installations while maintaining the integrity of the telecommunications unit's enclosure and reducing environmental exposure risks.

Implementation Method 1

inductive loop logic coupled to the management processor and operable to allow management data to be passed between the management processor and a portable management unit via a separate wireless link between the inductive loop logic and external inductive loop logic associated with the portable management unit

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS7440727B2Handling transfer of management data to and from a telecommunications unit of a telecommunications system

Publication Date: 2008.10.21 AIRSPAN COMM

AI summary

A telecommunications unit (for example a subscriber terminal or a base station) is arranged to communicate over a wireless link with a further telecommunications unit of a telecommunications system in order to allow traffic data to be passed between the telecommunications unit and the further telecommunications unit. The telecommunications unit comprises a management processor operable to handle management data, and inductive loop logic coupled to the management processor and operable to allow management data to be passed between the management processor and a portable management unit via a separate wireless link between the inductive loop logic and external inductive loop logic associated with the portable management unit. This provides a particularly efficient technique for the transmission of management data between the telecommunications unit and the portable management unit, without the need for a physical contact to be provided on the exterior surface of the telecommunications unit.