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Constraint-Based Electronic Design
"The Constraints". While electronic schematics provide a practical way to represent the components and connections within a circuit, they are ultimately a simplification that overlooks important aspects of how the circuit actually behaves. Connection lines are assumed to have no resistance, inductance, parasitic capacitance, or propagation delay, and Kirchhoff’s...
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The Internet lands in bank offices
Banking was one of the first sectors in need of telematically connecting its offices and cash machines with Central Services. The arrival of the first point-to-point lines made it possible. Thus, movements made in customer accounts were updated in real time in central...
Operating System-level Virtualization
For more than a decade now, hardware virtualization technology, more commonly known as virtual machines, has been the technology on which the production systems we know and use today in our information society have been based, and has made – in the midst of an...
Smart Grid: The advantages of having always-on communications
The need for real-time communications in Smart Grid scenarios is becoming increasingly important. One of the most common solutions is to have industrial routers send information securely to the different utility control centers. Main Advantages 1. Flexibility, because...
A review of the physical principles behind the Wi-Fi /5G wireless revolution
Following on from a previous article on DSL and its scientific bases, I now want to review the fundamentals of another technology: radio. As with a DSL, the ability to transmit data in any radio communications system – from the very first Marconi experiments to 5G...
Network monitoring in SD-WAN
SD-WAN technology provides customers the capability to manage their own network without requiring managed services from the traditional service providers. However, so that the client can manage its own platform, a powerful tool has to be used, which manages and solves...
Traditional routers (CPE) and their limitations
For years, the data provision services offered by carriers had a common element: WAN routers or CPEs (Customer Premises Equipment). This hardware device allows the local network of an office to be connected to the corporate service network (thus granting access to...
Technologies that transport you to the other side of the world
In a mature market like telecommunications solutions, where you have many different types and sizes of businesses competing against each other and well-known brands, differentiation and added value are key to helping a company stand out. Therefore, a design strategy...
Will 5G solve the railway dilemmas?
Every day we hear more news on 5G, its progress and evolution, as the demand for connectivity between vehicles, towns and cities, devices and sensors continues to grow. As you might expect, the railway sector and it's train communications are no less affected, being...
What an old copper pair (and a bargeman) can do for you
DSL technology today gives connection speeds greater than 100Mbps over a support that initially appeared far humbler and limited to the long forgotten 33Kbps: a pair of copper wires. How is this possible? When conventional telephone lines - POTS – Plain Old Telephone...
The Internet of Things (IoT) and business success
Even though we are still far from Intel’s prediction about the Internet of Things (IoT), which stated that by 2020 there would be 26 devices per person, there can be no doubt that the Internet of things is here to stay and that it is a technology that is set to...
Are you being or practicing as an engineer in Spain?
First of all, my apologies to our international readers for the local nature of this post. That said, you may still be interested in reading about how, in a nation associated with parties, holidays and the siesta, there are companies offering highly-skilled technical...
WPA3: Improved Wi-Fi security
The nature of electromagnetic waves is such that anyone in a wireless network can receive the data sent over the air. With high-gain antennas, it is possible to listen in on the data that passes through an office from outside the building. That is why, right from the...
