Portable Group Communication Device Position Indication
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Solution Overview
Problem
Current communication devices are inadequate for group communication, as they often lack full-duplex capability, are cumbersome, provide poor voice quality, and have limited range, making them unsuitable for applications requiring simultaneous multi-person communication and awareness of relative positions.
Innovation Solution
A portable communication device that implements a position indication method using GPS and radio-based techniques to convey relative locations of other devices through audio or visual means, enabling users to discern the direction and distance of other speakers in a group communication setting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional communication devices (cellular phones, walkie-talkies) are used for group communication, then basic communication function is provided, but full-duplex capability, portability, voice quality, and range are insufficient
Solution Approach 1:
The system segments the communication function into dedicated portable group communication devices that specialize in multi-person full-duplex communication, separating this from traditional cellular phones which are designed for one-to-one communication. This segmentation allows each device type to be optimized for its specific purpose, with the portable group communication devices providing reliable voice quality and extended range through specialized hardware and mesh network architecture.
2Ease of operation
If portable group communication devices are deployed, then full-duplex communication and portability are achieved, but position awareness and spatial context are lost
Solution Approach 1:
The patent merges communication functionality with position indication functionality into a single integrated device. The portable group communication device simultaneously performs voice communication and tracks relative positions of group members using sensors and signal processing, then conveys this position information through audio and visual indicators. This combination ensures that users maintain awareness of spatial context while enjoying the portability and ease of group communication.
3Loss of information
If position indication is added to communication devices, then spatial awareness is improved, but device complexity increases
Solution Approach 1:
The system uses intermediary components such as signal strength indicators, audio spatialization effects, and simplified visual displays to convey position information without requiring complex user interaction or processing. These intermediaries translate raw sensor data and relative position calculations into intuitive auditory and visual cues that users can interpret naturally, reducing the perceived complexity while maintaining accurate position awareness.
Data Source
AI summary
A portable communication device implements a position indication method to determine and convey the relative locations of other portable communication devices in a group. In one embodiment, the portable communication devices are equipped with a GPS sensor and the position indication method determines relative locations of devices using GPS location data. In another embodiment, the portable communication devices determine relative locations of devices using the strength of the received signal as a proxy for distance. In some embodiments, the relative location information is conveyed to each portable communication device by modifying the audio signal playback. For example, a 3D audio playback may be used to convey the relative location information. In other embodiments, other non-audible location indication may be provided on each portable communication device.