UWB Prison Personnel Management Solution

I. Industry Status and Demand

        With the rise of theories and practices such as Smart Cities, Smart Courts, and Smart Prosecution Services, in the field of correctional management, from the Ministry of Justice to prisons at provincial and municipal levels, there is a recognized understanding of the importance and necessity of building Smart Prisons. The construction of Smart Prisons has thus commenced.

        The development goals of prison informatization can be summarized into five items: precision, intelligence, transparency, capability enhancement, and public service. Guided by the principles of intelligent perception, interconnectivity, collaborative sharing, and scientific decision-making, the aim is to build and improve various prison management systems, acquire comprehensive key information for effective integration and intelligent processing, achieve collaborative sharing of various resources, meet the requirements of intelligent prevention and control, smart correction, precise management, and scientific decision-making, ultimately establishing new-type prisons that are safe, law-based, high-quality, transparent, dynamic, and efficient.

        Currently, the management of incarcerated inmates in most prisons and detention centers in China still relies heavily on patrols by correctional officers supplemented by camera surveillance and alarms. Manual operations still constitute the vast majority, and information collection depends on manual work. The technical issues in prison management present the following pain points:

        Pain Point 1: Prisons currently face situations such as large inmate populations, limited police force, complex detainee profiles, and significant management difficulties. Management largely remains at the stage of relying on officer patrols and video surveillance, making it difficult to implement effective supervision methods like real-time monitoring and timely warnings, which also leads to a great waste of human and material resources.

        Pain Point 2: Due to the varying backgrounds of prison inmates, incidents such as fights and escape attempts occur frequently. Traditional security systems have long served as "tools for post-incident evidence collection" and cannot prevent incidents proactively or enable timely emergency response, fundamentally failing to avoid the occurrence of events. Faced with security issues requiring real-time monitoring, traditional video surveillance methods often fail to detect and handle situations promptly.

        Pain Point 3: After an alarm is triggered, security personnel are often required to retrieve video footage related to the incident. Due to the lack of intelligent elements in traditional video surveillance systems, recorded data cannot be effectively traced back, at most tagged with timestamps. Consequently, data analysis becomes extremely time-consuming, and it is difficult to obtain all relevant information due to factors like occlusions, posing significant challenges to data analysis work.

        Addressing the pain points and challenges in prison inmate management, Hainan West Electric Technology has launched a UWB-based Smart Prison Personnel Management Solution. This solution utilizes UWB positioning technology to monitor the real-time and accurate locations of detainees and provides real-time statistics on the number of people in specific areas. By integrating with video surveillance systems, it combines personnel information, location data, spatiotemporal information, and actual situations. Coupled with functions like electronic fencing and personnel alarms, it implements an effective intelligent supervision system.

II. Overall Solution Architecture

        The system includes UWB tags, UWB indoor ceiling-mounted base stations, positioning engine software (C/S architecture), and positioning application systems. UWB tags and base stations communicate via UWB pulse signals. The base stations transmit the received tag data via 5G networks or wired Ethernet to the LS1000 positioning engine for data analysis and processing. The processed precise location data is then transmitted to upper-layer applications through open API interfaces.

The system composition is as follows:

• UWB Tags: Available in card-type and wristband-style, attached to the person or object being tracked. They periodically transmit UWB signals containing the tag ID information.
• UWB Indoor Ceiling-mounted Base Stations: Communicate with positioning tags and relay information back to the positioning engine algorithm software.
• Positioning Engine Algorithm Software: Deployed on-premises, it collects underlying data and processes it through the positioning engine's algorithms to obtain the precise coordinates of the tags.
• Positioning Application Software: Can be deployed on-premises or in the cloud. The application-layer software implements basic functions like location display and trajectory playback, as well as business functions extended from location data, such as electronic fencing, intelligent patrols, attendance statistics, and video linkage.

 

III. System Hardware

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UWB Tag

UWB Card-type Electronic Tag WE-T241-C

¥309

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UWB Base Station

UWB Indoor Wired Base Station WE-RA210

¥3,910

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UWB Tag

UWB Wristband/Helmet-type Electronic Tag WE-T206-H

¥345

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IV. Solution Functions

V. On-site Installation Photos