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Francisco Navarro

Francisco Navarro

Francisco Navarro, graduated in Physical Science, is a Business Line Manager working within the Marketing Department and responsible for the Teldat Corporate Routers
Francisco Navarro

Francisco Navarro

Francisco Navarro, graduated in Physical Science, is a Business Line Manager working within the Marketing Department and responsible for the Teldat Corporate Routers
Reasons for measuring communication link quality

Reasons for measuring communication link quality

How can we establish reliable measures for assessing service quality? An innovative QoS solution.  One of the biggest headaches for a company’s network managers is verifying that contracted service levels are being met for their infrastructure. Carrier services usually include a series of contractual points which are summarized in service level agreements (SLAs). To determine whether a service...

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20 MHz, 40 MHz, 80 MHz and more…

20 MHz, 40 MHz, 80 MHz and more…

We are surrounded by waves: radar, radio, mobile telephone, Wi-Fi etc., all occupying an established man-made order and based on invisible highways known as frequency bands. Wi-Fi technology, on the whole, uses 2.4 and 5 GHz bands, a small part of the electromagnetic spectrum divided into a series of channels, over which information flows (like traffic on a freeway). Channel distribution is...

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WAN Optimization: Webcache and other options

WAN Optimization: Webcache and other options

Customer branch offices frequently find themselves with limited resources for WAN connectivity, this being a common problem associated to communications.  WAN optimization under these circumstances makes sense, as the rise in productivity results in improved end customer perception. Through different techniques, optimization reduces both infrastructure and bandwidth costs, allows for centralized...

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Network deployment

Network deployment

Schemes to change network infrastructure should always be linked to improving user perception on the quality of the service received.  Prior to starting such a project, there are both technical and commercial proposal phases and evaluations that require approval.  Once this has been achieved, the main stages are: Deployment. Operation and management. The break down or transition of the network...

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Positioning systems and mobility management II

Positioning systems and mobility management II

In my previous article on "Positioning systems and mobility management I" looked at the Wi-Fi infrastructure solution within a given area. The location of a client carrying a Wi-Fi-enabled device could be estimated based on the information received from several APs about a client's proximity. The client didn't even have to connect to the network, just having the interface turned on was enough....

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Positioning systems and mobility management

Positioning systems and mobility management

Years ago there was a revolution in overseas travel; we no longer needed to learn the routes of a nation because satellites were able to tell us our position in real time (using GPS). This technology was taken to another level by the professional market with the appearance of RTLS (Real Time Location Systems). These systems could use GPS signals, RFID (Radio Frequency Identification) or other...

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