IEEE Technology and Society Magazine - March 2015 - 77

Hajj Authoritie's NFC
Mobile

Pilgrim's NFC Mobile

Pilgrim Database Server

Retrieve Pilgrim Information
Authorization Success; Pilgrim Information Returned.

Update Pilgrim's Data in the Pilgrim's Mobile.

Data Updated.

Update Pilgrim Data in the Pilgrim's Database.

Authorization Success: Database Updated

Figure 2. Sequence diagram for the Pilgrim Identification and Utilities System.

To access the above services, an NFC enabled phone
connects through a web service to the Application
Server and the central Database Server over Wi-Fi and/
or 3G/4G connections.

How It Works
During the pilgrimage period, officials and staff members are provided with administrative privileges based
on the different services they provide. Using these
privileged NFC phones, staff members can retrieve relevant data from the pilgrim's mobile phone by bringing
their privileged NFC phone close to the pilgrim's mobile
phone, providing the necessary service via NFC data
transfer. Data is transferred in this way using the reader/
writer mode. Some service providers, such as doctors
and security officers, may be given the authority to add
or update information in the pilgrim's mobile phone. An
updated record of the pilgrim may then be uploaded to
the central database server. Fig. 2 shows the sequence
of events in a typical transaction for the system.
■ The system starts by bringing the Officer/Staff member's mobile phone close to the pilgrim's mobile
phone to retrieve the pilgrim's details (e.g., name, ID,
blood type, etc). The pilgrim's mobile phone makes
his data available based on the privileges given to
the officer's device to read specific information.
■ The officer's mobile phone may modify the data and
send it back to the pilgrim's mobile to update its
MARCH 2015

∕

local database, also updating the pilgrim's data on
the central database containing all pilgrims' data.
■ The connection between the officers' devices and
the central pilgrim database is a wireless connection, connected through a web service.
The application shown in Fig. 3 has a specific display
for each service provider that retrieves and shows only
the relevant information taken from the pilgrim's device.
For example, in the event of a medical emergency, a doctor's mobile application allows access only to information

Figure 3. NFC-based mobile application for Hajj pilgrim
identification.

IEEE TEchnology and SocIETy MagazInE

77



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