Friday, July 20 , 2018, 2:08 pm | Fair 75º


UCSB Researchers Travel to Za’atari Refugee Camp in Jordan to Assess Telecommunications Needs

UCSB doctoral student Danny Iland checks the signal strength on a tour around the Za’atari refugee camp.
UCSB doctoral student Danny Iland checks the signal strength on a tour around the Za’atari refugee camp. (Carleen Maitland photo)

When the world around you is falling apart and you’re forced to flee your home and even leave your country, how do you stay in touch with family and friends who are doing the same?

That’s what Danny Iland and Paul Schmitt, doctoral students in UC Santa Barbara’s Department of Computer Science, were asking themselves when they visited the Za’atari refugee camp in Jordan in January. Situated just south of Jordan’s northwestern border with Syria, the camp opened in 2012 to host civilians fleeing the violence of the Syrian civil war.

The students’ mission? To assess the cellular and Internet coverage in and around the borderland encampment and investigate where and how cellular infrastructure can be improved for the hundreds of thousands of people who live there.

“People have left loved ones behind and they want to stay in contact,” UCSB computer science professor Elizabeth Belding said of the people for whom a sporadic wireless signal is the only connection to loved ones far away. “They’re still very attached to their home countries and they have a strong need to stay connected with family and friends.”

The refugees, many of whom were middle- and upper-class residents in Syria and are accustomed to the benefits of modern technology, view cellular and Internet connectivity as a lifeline to their home country, Belding added.

In an effort to help maintain communications with others fleeing the civil war, United Nations workers handed out SIM cards to incoming refugees. However, mostly due to the rapid rise of the camp’s population and also to the lack of adequate infrastructure for the desert site, the existing coverage — provided by an amalgamation of several Jordanian telecommunications companies in addition to some signal from Syria leaking over the border — quickly became insufficient for the massive influx of people.

In a National Science Foundation-sponsored collaboration with Pennsylvania State University information sciences and technology professor Carleen Maitland, UCSB’s Iland and Schmitt — under Belding’s advisement — are investigating how best to maintain the all-too-important lines of communication for the displaced families of the Za’atari camp. The project was an extension of previous joint work between Maitland and Belding on the technology needs of displaced people.

UCSB research
UCSB computer science professor Elizabeth Belding with doctoral students Paul Schmitt, center, and Danny Iland. (Sonia Fernandez / UCSB photo)

The research performed by Schmitt and Iland involved an on-the-ground assessment of existing Internet usage and a technical evaluation of wireless coverage.

“We had about eight cellphones and we were connected to every carrier in Jordan on both 2G and 3G networks,” said Iland. The researchers walked around the camp, noting where signal existed and where it fell away.

Schmitt and Iland also performed spectral scans to identify nearby cell towers that provided service in the camp. This more detailed study was part of an evaluation of how people used the cellular infrastructure: Was cellular coverage prevalent enough for people to stay in their homes, or did they have to go somewhere to find it? When were peak usage times? What were the differences in signal strength by carrier?

What they found was not unusual for a population that established itself virtually overnight in a remote, mostly uninhabited area: cellular infrastructure that struggled to offer service to users who want to make calls, send text messages, and use the Internet.

“The people there primarily had smartphones, and the networks were failing in a way we had never seen before,” said Schmitt. According to their study, attempts to use the cellular services of the country's largest provider were rejected at a rate of 33.7 percent.

Added to that issue is the rapid pace of growth and urbanization of the camp, which peaked at roughly 200,000 inhabitants in 2014, complete with impromptu stores and shops, as residents, still longing for home, make the best of a bad situation.

The population of the Za’atari camp, which is disproportionately young, has ebbed in recent months. However, the decline is due to the opening of another camp, or to people moving just outside the camp, so inadequate signal and overloaded lines of communication continue to be a problem. “One characteristic of refugee camps is that they tend to pop up in places where there’s minimal or no pre-existing infrastructure,” said Belding.

Another factor in the Za’atari signal puzzle is the confusion and discomfort among some residents who are required to use wireless services from another country’s providers when home is just across the border. To call home using the Jordanian providers would incur international calling charges at a time when people do not have access to their money.

Among the solutions the researchers found would be to extend the signal from Syria to the camp, as well as increase the quality of high-speed cellular signal in particular, given the predominant use of smartphones in the camp.

The researchers are planning to submit a paper about their findings and recommendations, and there are efforts to make further assessments or implement projects to improve connectivity within the camp.

Results from the research will also provide insight into how to maintain connectivity in other calamitous situations, such as in times of disaster, when people are displaced or stranded without means of communication.

— Sonia Fernandez represents the UCSB Office of Public Affairs and Communications.

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