Communication Apparatus Position Data Transmission Control
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Solution Overview
Problem
Conventional GPS-based information-providing services transmit unnecessary information to communication apparatuses, leading to inefficient power consumption and data storage, as they transmit position measurement results regardless of the user's mode of transportation.
Innovation Solution
A communication system that determines whether to transmit position measurement results based on the user's mode of transportation, using a position measuring unit, a movement determining unit, and a position measurement result transmission determining unit to selectively send data to relevant information-providing apparatuses, thereby preventing the reception of irrelevant information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the communication apparatus transmits position measurement results to all information-providing apparatuses, then all types of information can be received, but unnecessary information is received leading to increased power consumption and storage requirements
Solution Approach 1:
The communication apparatus performs preliminary determination of the means of movement before transmitting position measurement results. By pre-judging whether the user is moving by road or railway based on position changes between measurement points, the system avoids transmitting position data to irrelevant information-providing apparatuses, thereby reducing power consumption while maintaining the capability to receive necessary information.
2Adaptability or versatility
If the communication apparatus transmits position measurement results to all information-providing apparatuses, then all types of information can be received, but unnecessary information is received increasing storage requirements
Solution Approach 1:
The system performs preliminary classification of the means of movement before information transmission. By determining whether the user is traveling by road or railway in advance, the communication apparatus selectively transmits position measurement results only to relevant information-providing apparatuses, preventing accumulation of unnecessary information data in storage.
3Use of energy by moving object
If the position measurement interval is extended when stationary, then power consumption is reduced, but position update timeliness deteriorates
Solution Approach 1:
The position measurement interval is dynamically adjusted based on the determined means of movement. When railway travel is detected, the system extends the measurement interval to reduce power consumption, whereas for road travel or other scenarios requiring timely position updates, the interval is kept shorter. This dynamic adjustment resolves the contradiction between power saving and position update timeliness.
Data Source
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AI summary
A position measuring unit measures a position. An area determining unit determines a means of movement. A position measurement result transmission determining unit determines, based on the means of movement determined by the area determining unit, whether or not to transmit the position measurement result of the position measuring unit to the information-providing apparatus. A transmitting unit transmits, in the case in which the position measurement result transmission determining unit determines to transmit the position measurement result to the information-providing apparatus, the position measurement result to the information-providing apparatus.