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Bluetooth adds direction finder

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The Bluetooth Special Interest Group (SIG) announced a new direction-finding feature, which is set to enhance the performance of Bluetooth location services solutions. The new feature allows devices to determine the direction of a Bluetooth signal, thereby enabling the development of Bluetooth proximity solutions that can understand device direction as well as Bluetooth positioning systems that can achieve down to centimeter-level location accuracy.

Bluetooth location services solutions fall into two categories; proximity solutions and positioning systems. Today, proximity solutions use Bluetooth to understand when two devices are near each other, and approximately how far apart. They include item finding solutions such as personal property tags, as well as point-of-interest (PoI) information solutions like proximity marketing beacons. By including the new direction finding feature, Bluetooth proximity solutions can add device direction capability. For example, an item finding solution could not only let a user know when a personal property tag is nearby, but also in what direction, greatly enhancing the user experience.

Positioning systems use Bluetooth to determine the physical location of devices and include real-time locating systems (RTLS), such as those used for asset tracking, as well as indoor positioning systems (IPS), like those for indoor wayfinding. Today, Bluetooth positioning systems can achieve meter-level accuracy when determining the physical location of a device. By adding the new direction finding feature, these positioning systems could improve their location accuracy down to the centimeter-level.

Fabio Belloni, chief customer officer and co-founder at Quuppa said: “Bluetooth has emerged as the technology of choice for location services, allowing companies to build robust, reliable solutions for the wide variety of organizations that require accurate location to power their businesses. Today’s introduction of a standard approach to Bluetooth direction finding promises to open up even more opportunities for us, our partners, and our customers.”

“Location services is one of the fastest growing solution areas for Bluetooth technology, and is forecasted to reach over 400 million products per year by 2022,” said Mark Powell, executive director at Bluetooth SIG. “This is great traction and the Bluetooth community continues to seek ways to further grow this market with technology enhancements that better address market needs, demonstrating the community’s commitment to driving innovation and enriching the technology experience of users worldwide.”

Andrew Zignani, senior analyst at ABI Research said: “Since the introduction of Bluetooth Low Energy in 2010, developers have been able to leverage Bluetooth to create powerful, low cost location services solutions for a variety of applications spanning across consumer, retail, healthcare, public venues, and manufacturing environments. The new direction finding feature can help Bluetooth better address the varied and evolving needs of the location industry, enabling more flexible, scalable and futureproof deployments that will further accelerate the adoption of Bluetooth for location services in existing markets, while unlocking additional business opportunities for new applications and use cases.”

The direction finding feature is included in version 5.1 of the Bluetooth Core Specification, which is available to developers as of today, and can be found here. In addition, Launch Studio, the Bluetooth SIG tool used to qualify new Bluetooth products, is being updated to support this feature and will also be available to developers as of today.

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Samsung clears the table with new monitor

For those who like minimalism and tidy desks, Samsung’s new Space Monitor may just do the trick, writes BRYAN TURNER.

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The latest trends of narrow-bezels and minimalist designs have transcended smartphones, spilling into other designs, like laptops and monitors. 

The new Space Monitor line by Samsung follows in this new design “tradition”. The company has moved the monitor off the desk – by clipping it onto the edge of the desk.

It can be put into three configurations: completely upright, where it sits a bit high but completely off the desk; half-way to the desk, where it is a bit lower to put some papers or files underneath the display; and flat on the desk, where it is at its lowest.

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The monitor sits on a weighted hinge at the edge of the desk, providing sturdy adjustment to its various height configurations. It also swivels on a hinge at the point where the arm connects to the display. This provides precise viewing angle adjustment, which is great for showing something on screen to someone who is standing.

Apart from form factor, there are some neat goodies packed into the box. It comes with a two-pin power adapter, with no adapter box on the midpoint between the plug and the monitor, and a single cable that carries HDMI-Y and power to prevent tangling. 

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However, it’s slightly disappointing that there isn’t a Mini Display Port and power cable “in one cable” option for Mac and newer graphics card users, who will have to run two cables down the back of the screen. Even worse, the display doesn’t have a USB Type-C display input; a missed opportunity to connect a Samsung device to the panel.

A redeeming point is the stunning, Samsung-quality panel, which features a 4K UHD resolution. The colours are sharp and the viewing angles are good. However, this display is missing something: Pantone or Adobe RGB colour certification, as well as IPS technology. 

The display’s response rate comes in at 4ms, slightly below average for displays in this price range. 

These negatives aside, this display has a very specific purpose. It’s for those who want to create desk space in a few seconds, while not having to rearrange the room. 

Final verdict: This display is not for gamers nor for graphic designers. It is for those who need big displays but frequently need to clear their desks.

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Can mobile fix education?

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By Ernst Wittmann, global account director for MEA and country manager for Southern Africa, at TCL Communications

Mobile technology has transformed the way we live and work, and it can be expected to rapidly change the ways in which children learn as smartphones and tablets become more widely accepted at primary and high schools. By putting a powerful computer in every learner’s schoolbag or pocket, smartphones could play an important role in improving educational outcomes in a country where so many schools are under-resourced.

Here are some ways that mobile technology will reshape education in the years to come:

Organisation and productivity

For many adults, the real benefit of a smartphone comes from simple applications like messaging, calendaring and email. The same goes for schoolchildren, many of whom will get the most value from basic apps like sending a WhatApp message to friends to check on the homework for the day, keeping track of their extramural calendar, or photographing the teacher’s notes from the blackboard or whiteboard. One study of young people’s mobile phone use in Ghana, Malawi and South Africa confirmed that many of them got the most value from using their phones to complete mundane tasks.

Interactivity

One of the major benefits smartphones can bring to the classroom is boosting learners’ engagement with educational materials through rich media and interactivity. For example, apps like Mathletics use gamification to get children excited about doing mathematics—they turn learning into a game, with rewards for practicing and hitting milestones. Or teachers can set up a simple poll using an app like Poll Everywhere to ask the children in a class what they think about a character’s motivation in their English set-work book.

Personalisation

Mobile technology opens the doors to more personalised and flexible ways to teach and learn, making more space for children to work in their own style and at their own pace. Not very child learns in the same way or excels at the same tasks and subjects – the benefit of mobile phones is that they can plug the gaps for children seeking extra enrichment or those that need some additional help with classroom work.

For example, teachers can provide recommended educational materials for children who are racing in ahead of their peers in some of their subjects. Or they can suggest relevant games for children who learn better through practical application of ideas than by listening to a teacher and taking notes. 

In future, we can expect to see teachers, perhaps aided by algorithms and artificial intelligence, make use of analytics to track how students engage with educational content on their mobile devices and use these insights to create more powerful learning experiences. 

Access

South Africa has a shortage of teachers in key subjects such as mathematics and science, which disproportionately affects learners in poor and rural areas. According to a statement in 2017 from the Department of Basic Education, it has more than 5,000 underqualified or unqualified teachers working around the country. Though technology cannot substitute for a qualified teacher, it can supplement human teaching in remote or poor areas where teachers are not available or not qualified to teach certain subjects. Video learning and videoconferencing sessions offer the next best thing where a math or physical science teacher is not physically present in the classroom.

Information

Knowledge is power and the Internet is the world’s biggest repository of knowledge. Schoolchildren can access information and expertise about every subject under the sun from their smartphones – whether they are reading the news on a portal, watching documentaries on YouTube, downloading electronic books, using apps to improve their language skills, or simply Googling facts and figures for a school project.

Take a mobile-first approach

Technology has a powerful role to play in the South African school of the future, but there are some key success factors schools must bear in mind as they bring mobile devices into the classroom:

  • Use appropriate technology—in South Africa, that means taking a mobile-first approach and using the smartphones many children already know and use.
  • Thinking about challenges such as security – put in place the cyber and physical security needed to keep phones and data safe and secure.
  • Ensuring teachers and children alike are trained to make the most of the tech – teachers need to take an active role in curating content and guiding schoolchildren’s use of their devices. To get that right, they will need training and access to reliable tech support.

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