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IP and Mobile Trends and Education

 

Wireless Technologies

06.2019

Why Wi-Fi 6 (IEEE802.11ax) will be different than previous Wi-Fis?

The AP schedules the transmission according to the actual needs, and nobody wastes time on waiting and on collision. So, we end-up having the system that: is more robust towards low latency services; is more spectrally efficient; allows for actually use some QoS profiles; and coordinates the use of spectrum.

05.2019

5G health issues explained: What’s wrong with the “studies”?

The photon energy of electromagnetic radiation in the microwave spectrum, is by at least 5 orders of magnitude too low to cause any harm in living cells. The only possible impact is a heating effect, but the energy applied by a mobile phone is at least 4 orders of magnitude lower than that used by microwave ovens and can heat human tissues by less than half a degree. The situation around studies of health risks connected to mobile phone usage is discussed. Serious studies show that mobile network and mobile phone usage have no adverse effects on health.

Author: Kurt Behnke
05.2019

Monitoring and Management in IoT system

IoT System consists of multiple devices and we expect each of them to work flawlessly. There are many reasons why the service might not work in such complex environment. Starting from physical damage of the device, power outage, up to network failure or software bug. Whatever the issue is, we want to be aware of it as soon as possible.

03.2019

Is this anything to worry about? 5G health issues explained

Each time a tower for a cellular network is built or planned to be built in a city or near a rural settlement, there is a new discussion about health issues of mobile phone or network radiation. It is about time to put things back into perspective. I’d like to deal with the reality of mobile network radiation in this post.

Author: Kurt Behnke
01.2019

Wi-Fi Generations – new naming convention for WiFi

Wi-Fi Generations affect not only new releases, but also refer to the past amendments. Currently Wi-Fi Alliance has defined 6 generations. Each step is significant improvement in network performance and security. No more minor version changes that can cause only confusion.

01.2019

5 Most Popular Posts From 2018

2018 was a very interesting year for us and technology. We introduced our IoT product “Souly”. 5G entered the normative work in standardization and released the first “version” of 5G. Wi-Fi introduced new security schemes and changed nomenclature. The networking world shifted towards SDN/SD-WAN solutions.

09.2018

Step in another direction in Wi-Fi? IEEE 802.11ax (High Efficiency WLAN)

The 802.11ax brings important features, focusing on network capacity, latency and range. High data rates are still in the picture, but rather in the background. Introducing OFDMA and using MU-MIMO allows AP to schedule data for multiple users simultaneously. This way, latency can be greatly decreased. With the new colors of the channels, frequencies can be spatially reused.

08.2018

Wi-Fi Radio Configuration & Measurements

This post discusses selected practical aspects of Wi-Fi systems including: explanation of some parameters and factors that the network performance is impacted by; showing how to configure some of the parameters them using CISCO Wireless LAN Controller; presenting simulated scenarios to show some examples of radio measurements.

07.2018

LTE and 5G Differences: System Complexity

In this post we discuss the complexity that 5G brings and show some examples of this as compared to LTE including: naming in the 5GS architecture, dual connectivity options in 5G, parameters for L1, base station naming, spectrum aspects.

07.2018

How we ended up in WPA3? – Wi-Fi Security Evolution

Introduction to Wi-Fi Security Distributing data using wireless medium means that anyone can capture the signal. There is no boundary, like in case of cable communication, which prevents unwanted access. This means we must take other security measures. In this blogpost we will review current algorithms providing Wi-Fi security and we will take a sneak […]

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