Adaptive Environmental Information Communication for Localization
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Solution Overview
Problem
Current wireless communication technologies face inefficiencies in communicating environmental information for localization, particularly in indoor settings where GPS signals are unreliable, leading to excessive data transfer and repetitive information transmission.
Innovation Solution
Adaptive communication of environmental information based on an estimated current location and context, using an information server to determine and transmit a subset of delta environmental information, optimizing data transfer by defining geographical areas relevant to the device's location and movement, and caching previous information to reduce bandwidth usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If environmental information is continuously transmitted to support device localization, then localization accuracy is maintained, but data transfer bandwidth increases and power consumption rises
Solution Approach 1:
The system transmits environmental information periodically rather than continuously, scheduling updates at specific intervals or triggered by location changes. This periodic transmission maintains localization accuracy by providing fresh data at regular intervals while significantly reducing power consumption compared to continuous transmission.
Solution Approach 2:
The system dynamically adjusts transmission parameters such as update frequency, data granularity, and geographical area coverage based on device location, movement patterns, and current localization requirements. By changing these parameters adaptively, the system maintains accurate localization while optimizing bandwidth usage and reducing energy expenditure.
2Reliability
If complete environmental information sets are transmitted to ensure comprehensive localization data, then localization reliability is improved, but data transfer bandwidth and data redundancy increase
Solution Approach 1:
The system extracts and transmits only the essential subset of environmental information required for accurate localization, filtering out redundant data. By identifying and transmitting only the critical features needed for location determination, the system maintains localization reliability while significantly reducing data transfer bandwidth requirements.
Solution Approach 2:
The system transmits a partial set of environmental information that is sufficient for localization purposes without providing the complete information set. This partial action approach delivers exactly what is needed for reliable localization while avoiding the overhead of transmitting unnecessary complete datasets, thus reducing data redundancy.
3Adaptability or versatility
If geographical area-based environmental information is transmitted to cover potential device locations, then localization coverage is improved, but data transfer bandwidth increases
Solution Approach 1:
The system transmits environmental information tailored to the specific local geographical area where the device currently is or is expected to move. By customizing the information content to match the local context and requirements, the system achieves comprehensive localization coverage while minimizing bandwidth usage by avoiding transmission of irrelevant data from other areas.
Solution Approach 2:
The system divides the geographical area into segments and transmits environmental information for only the relevant segments based on device location and movement patterns. This segmentation approach ensures coverage of necessary areas while reducing overall data transfer by excluding irrelevant geographical segments from transmission.
Data Source
Figure 1
Figure 1A~1B
Figure 2A~2B
AI summary
Embodiments may comprise logic to adaptively prepare and transmit environmental information based upon an estimated current location and, in some embodiments, context of a device and to adaptively cache the environmental information to reduce or optimize environmental information communicated from an information server to the device. Some embodiments comprise an information server to receive a request for environmental information comprising an estimated current location for the device. In many embodiments, the information server may determine a prior set of environmental information conveyed to the device and determine, in response to receiving the estimated current location, the current set of environmental information based upon the estimated current location. In many embodiments, the current set of environmental information may encompass environmental information near the estimated current location of the device but not to encompass environmental information that was included in a prior set of environmental information transmitted to the device.