13310875576

WiFi indoor real-time positioning system

This system integrates five core devices: positioning WiFi AP, WiFi positioning terminal tag, positioning server/gateway, POE core switch and power supply supporting equipment. Based on the 802.11k/v/r protocol and RSSI ranging principle, it can realize real-time positioning and trajectory tracing of indoor personnel and assets without relying on additional technologies such as Bluetooth and UWB. The system is easy to deploy, has low operation and maintenance costs, is suitable for multiple scenarios such as industrial and commercial, and provides reliable indoor location management solutions.

Product Introduction

◆Pure WiFi independent networking without additional auxiliary equipment, simplifying deployment and reducing project investment

◆Triangulation positioning combined with optimization algorithm ensures accurate and stable positioning, low latency, and adapts to the accuracy requirements of multiple scenarios.

◆Modular design, equipment can be flexibly expanded without large-scale modification of the original system

◆POE integrated power supply, convenient wiring, simple operation and maintenance, no need for professional team to be on-site

◆Compatible with mainstream terminals and operating systems, supports docking with existing management systems, and has strong adaptability 

◆Industrial-grade equipment standards, wide temperature adaptation, anti-interference, can cope with complex indoor environments

Technical Parameters

Parameter category

Specific parameters

Detailed specifications

Positioning performance parameters

Positioning accuracy

Normal scene 1-3m, optimized scene (increasing AP density) can reach within 1m

Positioning delay

≤300ms, real-time dynamic update, no lag in trajectory tracing

positioning protocol

Supports 802.11k/v/r protocol, passive probe collection, RSSI ranging, and is compatible with mainstream positioning AP protocol standards on the market

Positioning method

Triangulation positioning, supports 2D/3D positioning (3D positioning needs to be configured with air pressure sensor or floor information)

Terminal capacity

A single positioning server supports ≤500 positioning terminal tags online at the same time

Track storage

Supports positioning track storage for ≥90 days, can be exported and queried, and meets the compliance and traceability needs of most industries.

Positioning blind spot

There are no obvious blind spots. When the AP deployment density is reasonable, the indoor coverage rate is ≥99%, adapting to regular indoor scenarios.

Core equipment parameters - Positioning WiFi AP

Working frequency band

2.4GHz/5GHz dual frequency band, supports WiFi 5 and above standards, and is compatible with mainstream WiFi devices on the market

Transmit power

10-20dBm, manually adjustable

Receive sensitivity

≤-95dBm

interface

1 Gigabit Ethernet port (supports POE power supply)

working temperature

-40℃~75℃ (industrial grade), humidity 10%~90% (no condensation)

antenna

Built-in omnidirectional antenna, gain ≥5dBi

Function

Supports passive probe collection, signal strength detection, anti-interference frequency hopping, and can simultaneously achieve basic WiFi coverage, taking into account positioning and network requirements.

Core device parameters - WiFi positioning terminal label

people tag

WiFi badge label, size ≤80mm×50mm×15mm, weight ≤50g

Asset tag

WiFi active tag supports active broadcast of WiFi frames, and the broadcast interval is adjustable (1-10s)

Battery life

Personnel tag ≥ 7 days (standby), asset tag ≥ 6 months (standby, rechargeable/replaceable battery)

Working frequency band

2.4GHz, supports 802.11b/g/n protocol

Protection level

≥IP65 (asset tag), IP54 (personnel tag)

Adaptability

It is compatible with all positioning WiFi APs and can be quickly identified and collected by APs without compatibility barriers.

Core device parameters - positioning server/gateway

CPU

≥Intel Core i5 (or equivalent industrial-grade processor)

Memory

≥8GB DDR4, support expansion to 16GB

storage

≥500GB SSD (location data storage)

operating system

Supports Windows Server and Linux industrial version, compatible with mainstream server operating systems on the market

Positioning algorithm

Supports RSSI fingerprint algorithm and triangulation positioning algorithm, can be upgraded and optimized

interface

≥2 Gigabit Ethernet ports

Function

Supports data collection, coordinate calculation, trajectory presentation, equipment management, and abnormal warning, covering the entire positioning process requirements.

Core equipment parameters - POE core switch

Number of ports

8 ports/16 ports/24 ports optional (configured according to the number of APs)

POE power supply standard

IEEE 802.3af/at, single port power supply ≤30W

Transmission rate

Gigabit port, supports line speed forwarding

working temperature

-20℃~60℃, humidity 10%~90% (no condensation)

Protection level

IP30 (rack mount), dust and moisture proof

Function

Supports POE power supply, data aggregation and forwarding, port speed limit, fault detection, and has over-current and over-voltage protection to ensure safe operation of the equipment.

Core equipment parameters - power supply package

POE power supply module

Input voltage AC 220V, output voltage DC 48V, power ≥120W (configured according to the number of APs)

Backup power

Optional UPS backup power supply, continuous power supply for ≥2 hours after power outage

Power supply distance

≤100m

Network parameters

Networking method

Star networking

Transmission distance

≤100m between AP and switch, ≤100m between switch and positioning server

Anti-interference ability

Supports intelligent frequency hopping to avoid co-channel interference and packet loss rate <0.01%

Roaming switch

Supports seamless roaming, switching takes less than 20ms

System compatibility

Supports docking with industrial management systems such as MES and SCADA, opens API interfaces, realizes data sharing, and adapts to existing industrial systems


Application Scope

Covers industrial, commercial, civil, public services and special scenarios. Industrial scenarios are used to locate workshop personnel and equipment assets.; Commercial scenarios are used for passenger flow statistics and exhibit positioning. ; Civilian scenarios for safe tracking of the elderly and children ; Public service scenarios are used to locate medical staff and medical equipment. ; At the same time, it adapts to the positioning needs of areas without GPS signals such as underground parking lots and tunnels.