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  • Category: Wi-Fi

    Wi-Fi 6 vs Wi-Fi 6E – what’s new in enterprise wireless? 

    The IEEE 802.11ax standard, widely known as Wi-Fi 6, has been with us since 2019. Not long after, first wireless devices have been launched by vendors on the global market. But as with every technology, time has to pass before businesses gain the option to choose from a rich portfolio of competitive devices that use […]

    Date: 15.05.2023

    Wi-Fi 6: High-Efficiency WLAN with IEEE 802.11ax [UPDATED]

    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.

    1
    Date: 07.04.2023

    Wi-Fi 6: Q&A

    What is Wi-Fi 6 (IEEE802.11ax)? How does it compare to Wi-Fi 5 (IEEE802.11ac)? Will older phones connect to Wi-Fi 6? The post combines the most frequently asked questions about Wi-Fi 6.

    Date: 02.06.2020

    Adoption of Smart Cities with a Practical Smart Building Implementation (magazine paper)

    This is a short overview on Smart Cities and company’s IoT product deployment case study, which is based on the article “Adoption of Smart Cities with a Practical Smart Building Implementation“ [1] by Marcin Dryjański, Mateusz Buczkowski, Youssouf Ould-Cheikh-Mouhamedou, and Adrian Kliks which is a magazine article in IEEE Internet of Things Magazine.   Abstract [1] […]

    Date: 31.03.2020

    Wi-Fi issues: site-surveys and troubleshooting

    Recently, we’ve been doing numerous site surveys and verification of Wi-Fi deployments in offices with more than 50APs per office in a managed setup (meaning that the APs are under the supervision of a wireless controller). In this post, I’d like to sketch an overview of the encountered issues and improvement suggestions.

    Date: 24.01.2020

    5 Most Popular Grandmetric Technology Articles From 2019

    We’ve been bringing the tech trends to the readers of our blog, by continuing to write on certain topics (like 5G, SD-WAN, Wi-Fi networking). As a summary from 2019, we have compiled here a list of the 5 most popular posts from our website.

    Date: 02.01.2020

    Using Kibana for custom monitoring in dense Wi-Fi

    We’ve built a high density and high capacity network. In order to properly operate such network, we designed a custom monitoring and analytics solution based on Elastic Stack and MQTTbeat receiving the measurements from all 494 IoT gateways (i.e. 494 Wi-Fi APs) through an MQTT broker. In this post I’m sheding some light on the different aspects of the solution and custom dashboards.

    Date: 30.08.2019

    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.

    Date: 02.06.2019

    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.

    1
    Date: 15.01.2019

    Radio Parameters 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.

    Date: 21.08.2018

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