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Implementing 5G Wireless Picture Archiving and Communication

System (PACS) in Dental Clinics

Assist. Prof. Kiti Siriwatana

September 2020

Introduction: Faculty of Dentistry Hospital plans to expand the dental units, requiring additional
expansion of the radiographic viewing services. In which there must be unlimited data
transmission and high-speed network technologies to support it.

Objective: To compare the download speed (the speed with which you receive data from the
internet) between five network technologies: local area networks (LAN), Chulalongkorn University
Wireless Fidelity (ChulaWiFi), the fourth generation Air card (4G), the fifth generation Customer-
Premises Equipment (CPE) with cable networks (5 G wire) and the fifth-generation Customer-
Premises Equipment (CPE) (5G wireless).

Methodology: This one-group pretest-posttest quasi-experimental study compared the
download speed between LAN, ChulaWiFi, 4 G, 5 G wire, 5 G wireless. A total of 28 dental
radiographs were downloaded from the Cloud Server of PACS files data to ground computers in
dental clinics. The testing tools are (1) notebook computers, (2) LAN system connected to the
computer network of the Faculty, (3) ChulaWiFi network equipment, (4) Air Card 4G device (5)
Customer-Premises Equipment (CPE). The three testing sites in the Faculty of Dentistry,
Chulalongkorn were implemented in the following three buildings (1 ) Somdet Ya Building 3 ,
9
floors 1 , 9 , and 11 (2) 8 0 Years Chalerm Navamaraj Building, floors 3 , 6 , and 1 and (3 )
1
Borommanat Srinakarin Building, floors 1, 3 and 12. Download speed data were calculated into
Megabit per second (Mbps). The multiple comparisons were analyzed using the Friedman test.

Results: The median data of the tested network technologies from high to low download speed
were 5G wire, 5G wireless, LAN, ChulaWiFi, and 4G, respectively. Friedman’s variance test results
reveal statistically significant differences in five network technologies across the three-buildings of
evaluation (p-value < 0.001). Multiple comparisons indicated some controversial results.

Conclusions: Picture Archiving and Communication System (PACS) through the fifth generation
Customer-Premises Equipment (CPE) with cable networks (5 G wire) probably is a huge step
forward in the current dental clinics to accelerate the mission of dentists to treat their patients.
However, a new network architecture needs to be prepared to provide various 5 G innovative
wireless technologies. The proposed requirements for both wireless technology and mainstream
cable networks can be used to guide the standardization of the deployment and deployment of
5G networks.

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แบบ กทปส. ME-003