Wireless Identification via Relative Location Sensing

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Solution Overview

Problem

In wireless communication networks, moving devices face challenges in identifying adjacent vehicles accurately without using IP or MAC addresses, leading to positioning errors due to GPS tolerance, which is insufficient for precise collision avoidance and communication.

Innovation Solution

A device and method that senses relative location information of nearby wireless apparatuses, compares it with identification data from broadcast messages, and determines if the error value is within permissible limits to identify the intended recipient, using sensing units, processing units, and wireless communication units without relying on IP, MAC, or GPS for identification.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If GPS coordinates are used for identification, then wireless devices can be identified in mobile environments, but positioning accuracy deteriorates due to GPS tolerance of 8 to 15 meters

Engineering Contradiction:

Improveidentification capability in mobile environmentVSAvoidpositioning accuracy

Core Design Contradiction:

Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent introduces a base station as an intermediary device between mobile devices and the identification system. The base station receives signals from multiple mobile devices, calculates their relative location information, and provides accurate identification. This intermediary approach eliminates GPS tolerance issues by using local geometric relationships rather than satellite-based positioning.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the GPS satellite-based positioning system with a local geometric calculation system using base stations and mobile device signal exchanges. This substitution uses relative location information derived from signal propagation and geometric relationships among nearby devices, achieving higher precision without relying on satellite geometry.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Ease of operation

If IP or MAC address is used as identification ID, then communication between devices can be established, but identification of adjacent moving devices fails due to constant movement and inability to obtain addresses in advance

Engineering Contradiction:

Improvecommunication establishmentVSAvoididentification reliability of moving devices

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent performs preliminary identification by calculating relative location information between devices before communication is established. The base station pre-processes signal data to determine spatial relationships, enabling reliable identification of moving devices before actual communication occurs, thus solving the problem of identifying adjacent moving devices.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent implements a feedback mechanism where mobile devices continuously exchange signals with base stations and each other. The base station uses this feedback to continuously update relative location information, ensuring accurate identification of moving devices throughout their movement, rather than relying on static pre-obtained addresses.

Inventive Principle:

Principle #23Feedback

3Duration of action of stationary object

If centralized communication through a single base station is used, then communication can be maintained, but the system cannot determine relative location relationships between moving devices

Engineering Contradiction:

Improvecommunication continuityVSAvoidrelative location information

Core Design Contradiction:

Duration of action of stationary objectVSLoss of information

Solution Approach 1:

The patent segments the identification function by having multiple base stations distributed across different locations. Each base station independently calculates relative location information for devices in its coverage area. This segmentation allows the system to maintain communication continuity while simultaneously determining relative location relationships through coordinated data from multiple base stations.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS9229088B2Device, system and method for identifying wireless apparatus

Publication Date: 2016.01.05 IND TECH RES INST

AI summary

The present disclosure provides an identifying device, an identifying system and a method for identification between a transmitting wireless apparatus and a receiving wireless apparatus, wherein the transmitting wireless apparatus senses a plurality of wireless apparatuses to provide sense information, calculate relative location information between the transmitting wireless apparatus and the wireless apparatuses based on the sense information and convert the relative location information into an identification datum. The transmitting wireless apparatus transmits a broadcast message having the identification datum. When the receiving wireless apparatus receives the broadcast message from the transmitting wireless apparatus, the identification information of the broadcast message is compared with sense information sensed by the receiving wireless apparatus. When the error value between the identification information and the sense information sensed by the receiving wireless apparatus is less than a permissible value, the receiving wireless apparatus is determined as an object receiving the broadcast message.