Tags: WIFI

802.Eleventy What? A Deep Dive into Why Wi-Fi Kind of Sucks

Just as everybody got used to the idea that 802.11b sucked, 802.11g came along. Promising 54 screaming Mbps, 802.11g was still only half the speed of Fast Ethernet, but five times faster than original Ethernet! Right? Well, no. Just like 802.11b, the advertised speed was really the maximum physical...
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Practical Approaches to IoT Test Challenges

For engineers working on wireless-enabled IoT system designs, a variety of design challenges and tradeoffs transpire from start to finish. Moving efficiently through the process requires a good test-and-measurement strategy and proper instrumentation to ensure that you make timely and correct...
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IoT Cybersecurity Alliance Will Collaborate on Standards, Education

A new IoT Cybersecurity Alliance formed by AT&T, IBM, Palo Alto Networks, Symantec, and Trustonic promises to help solve one of the most critical elements of the Internet of Things (IoT) — security. The group says its goal is to work on IoT security standards as well as raise awareness about...
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Mesh Networking: Why It's Coming to a Home or Office Near You

There's nothing new about mesh-networking technology. What is new is that mesh networking is finally cheap enough to be deployed in both homes and small businesses. Mesh networking deals with that most common of Wi-Fi problems: Dead zones. You know how it goes. You move your laptop from your office...
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Marcel Holtmann
“We decided to create a wireless daemon that actually works on IoT devices,” said Intel's Marcel Holtmann in a presentation at Embedded Linux Conference Europe.

New Linux WiFi Daemon Streamlines Networking Stack

If you’ve ever used an embedded Linux development device with wireless networking, you’ve likely benefited from the work of Marcel Holtmann, the maintainer of the BlueZ Bluetooth daemon since 2004, who spoke at an Embedded Linux Conference Europe panel in October. In 2007 Holtmann joined Intel’s...
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Hitchhiker's Guide to IoT Standards and Protocols

When it comes to IoT protocols, there's no one clear winner. This article outlines communications protocols from MQTT and Wi-Fi to less well-known offerings. In this article, we focus on a framework of how you can think about this problem of standards, protocols, and radios.  The framework of...
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The Wi-Fi Network Edge Leads in an SDN World

New thinking around software-defined networking makes the Wi-Fi network edge especially powerful. Two decades ago, the core was the place to be in campus networking. The networking battles of the 1990s concluded with the edge specialists humbled and assimilated by core product lines. Control the...
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Hello HaLow: Your Guide to the Wi-Fi Alliance’s New IoT spec

The Wi-Fi Alliance recently announced a new IEEE specification, 802.11ah, developed explicitly for the Internet of Things (IoT). Dubbed HaLow (pronounced HAY-Low), it’s aimed at connecting everything in the IoT environment, from smart homes to smart cities to smart cars and any other device that...
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