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Configuration Guide - WLAN-AC

S5700 and S6720 V200R012C00

This document describes the configurations of WLAN, including WLAN Service Configuration, Radio Resource Management, Roaming, WLAN QoS, WLAN Security, WDS, Mesh, Location, Hotspot 2.0, Dual-Link Cold Backup, N+1 Backup.
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Infant Abduction Prevention

Infant Abduction Prevention

To implement infant abduction prevention, infants wear security tags, and information about the tags, infants, and mothers is bound on the background infant protection system. The infant protection system identifies infant security tags through exit monitors in wards and records infant locations in real time. Mothers can use a mobile app to confirm infant identities and prevent infant abductions. When infant security tags approach exit monitors at entrances/exits of geo-fences, audible and visual alarm devices are triggered to report alarms, preventing infant abductions.

As shown in Figure 24-2, in infant abduction prevention scenarios, the APs in wards have RFID receivers deployed. The RFID receivers are embedded in the APs as built-in cards, or connected to the APs through USB ports as external USB modules. Exit monitors 1 and 2 are deployed at entrances/exits of the wards. Exit monitor 3 and an audible and visual alarm device are deployed at access control entrances/exits of the geo-fence. These exit monitors are connected to an access switch through wired Ethernet links. Locations of exit monitors are configured in the infant protection system.

Infant abduction prevention provides three sub-functions: mother-baby matching, infant location, and geo-fencing.

Mother-Baby Matching

Figure 24-2 shows how mother-baby matching is implemented.
Figure 24-2  Networking diagram for mother-baby matching
  1. Security tags are put on for infants after they are born, and information about the infants, security tags, and mothers is recorded in the infant protection system.
  2. Exit monitors in wards where mothers are located use a 125 kHz radio module to broadcast their own information such as IDs. Infant security tags receive the information through 125 kHz radio modules.
  3. Through 433 MHz radio modules, infant security tags send tag information and received exit monitor information to RFID receivers. The RFID receivers receive the information through 433 MHz radio modules.
  4. The RFID receivers forward the information to the infant protection system through APs and Ethernet links.
  5. The infant protection system matches mother and infant information.
  6. Mothers use the mobile app provided by the hospital to obtain mother-baby matching results from the infant protection system, and view current infant information on the app. Mothers can also use the barcode scanning function of the app to scan QR codes on infant security tags to obtain more precise matching information.

    If multiple mothers are in a ward, the exit monitor can only locate infants in the ward. Mothers need to scan QR codes to confirm infant identities.

Infant Location

Figure 24-3 shows how infant location is implemented.
Figure 24-3  Networking diagram for infant location
  1. When infants approach exit monitors at entrances/exits of the wards, 125 kHz radio modules of infant security tags receive Beacon frames sent by the exit monitors.
  2. Through 433 MHz radio modules, the infant security tags send information about exit monitors such as IDs to RFID receivers.
  3. The RFID receivers forward the information to the infant protection system through APs and Ethernet links.
  4. The infant protection system matches the received information about exit monitors such as IDs with preset location information to locate infants and monitor infant locations in real time.

Geo-Fencing

Figure 24-4 shows how geo-fencing is implemented for infant abduction prevention.
Figure 24-4  Networking diagram for geo-fencing
  1. When infants approach exit monitor 3 at the entrance/exit of the geo-fence, 125 kHz radio modules of infant security tags receive Beacon frames sent by the exit monitor.
  2. Through 433 MHz radio modules, the infant security tag then send information about the exit monitor such as the ID to the 433 MHz radio module of the exit monitor.
  3. After receiving the information, the exit monitor immediately triggers the audible and visual alarm device to report an alarm, and sends alarm information to the infant protection system through a wired Ethernet link.
  4. The infant protection system records the alarm information.
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Updated: 2018-12-24

Document ID: EDOC1100038361

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