SMS Check-In System for Mobile Worker Location Tracking
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Solution Overview
Problem
There is a need for a method to enable workers, particularly utility staff, to efficiently check in and check out of locations without the need to return to a central facility, as their mobile nature reduces productivity and efficiency due to the changing workforce dynamics in an electronically connected world.
Innovation Solution
A system that allows workers to check in and check out via SMS text messages by receiving and authenticating SMS mobile originated communications, determining the user's location, and authorizing entry through a keyword-based short code system, utilizing GPS and cell tower triangulation for location determination, and updating a central status display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If workers use mobile devices to check in and check out remotely, then productivity and efficiency are improved, but security and access control become more challenging
Solution Approach 1:
The patent replaces traditional mechanical access control systems (physical badges, keycards, manual check-in at central facilities) with an electronic SMS-based system. Workers send text messages to a short code, and the system automatically determines their location via GPS or cell tower triangulation, authenticates them, and grants digital access permissions. This substitution maintains security through automated validation while enabling remote check-in, thereby improving productivity.
Solution Approach 2:
The patent introduces an intermediary system consisting of an SMS gateway, location services, and authentication server that mediates between the worker's mobile device and the facility access control system. This intermediary handles the complex tasks of receiving SMS messages, determining geographic location, validating worker credentials, and managing access permissions, thus resolving the contradiction between remote access convenience and security reliability.
2Ease of operation
If automated SMS-based location determination is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent implements self-service by allowing workers to autonomously complete the check-in process through simple SMS messages without requiring assistance from facility staff. The system automatically determines the worker's location using GPS or cell tower data, validates their identity against stored credentials, and manages access control. This self-service approach simplifies the user interface to the point of minimal complexity while handling the underlying system complexity automatically.
Solution Approach 2:
The patent creates a universal system where a single SMS-based platform handles multiple functions: location determination via GPS or cell tower triangulation, worker authentication, access control, and check-in/check-out tracking. This multi-functional approach consolidates what would otherwise require multiple separate systems into one unified solution, improving ease of operation while managing complexity through integration rather than multiplication of components.
Data Source
AI summary
Providing SMS check in and check out, comprising receiving an SMS mobile originated entrance communication from at least one user, authenticating the SMS mobile originated entrance communication, determining at least one location of the authenticated SMS mobile originated entrance communication and authorizing the at least one user to enter the at least one location.