Bluetooth 「哥哥」跟蹤節日行人

研究員使用Bluetooth 技術 要觀察成千上萬位節日行人meanderings在頂面歐洲岩石節日，希望他們的研究結果將發射跟蹤設備的新一代。

隊從跟特大學在比利時相信研究可能產生對零售和安全區段的新的衛星航海申請。

「我們安裝了36臺Bluetooth掃描器橫跨站點，并且沿幾條周圍的路，在項目的星期五並且公共汽車站」，大學的Nico範・ de Weghe在Werchter節日，布魯塞爾東北部說這個週末。

Within a radius of 30 meters, the scanners track mobile phones equipped with Bluetooth, a type of short-range wireless technology which allows different devices to connect with one another, often to transfer files.

But the masses flocking to see Coldplay, Kings of Leon or Metallica need not worry about their privacy, Van de Weghe said.

The researchers will only track the devices’ MAC address — a number that identifies each device on a network — which cannot be traced to phone numbers or personal details.

“Werchter is a very interesting case,” Van de Weghe told Reuters, adding that this is the first time his team, working on a wider research project using new technology to track moving objects, will collect full data on a live situation.

The team is carrying out research on geographical information systems, such as satellite navigation systems, and is hoping to be able to track moving objects in real time.

“Tracking movements via Bluetooth could become very interesting. It could help retailers keep track of the number of customers numbers at different times, ” Van de Weghe said.

The technique could also be used by security services to track suspicious movements, or monitor evacuations at mass events.

Some 80,000 people from across Europe attended a sweltering first day of the festival in the small town of Werchter, 40 km (25 miles) northeast of Brussels, on Thursday, with thousands more expected on Friday and over the weekend.

(Reporting by Antonia van de Velde; editing by Mark John)

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