News & Blog

We are proud to announce that Marcin Dryjanski, has co-authored the recent book from Artech House entitled: "From LTE to LTE-Advanced Pro and 5G" (M. Rahnema, M. Dryjanski, Artech House, 2017). You can reach it in our knowledge base library: "From LTE to LTE-Advanced Pro and 5G". It is avaialble for purchase from Artech House web.
We are excited to announce first Networking Bootcamp Tour around the Poland. We're going to visit cities of Poland and give you the opportunity to attend the super efficient network training with experienced instructors! For detailed course descriptions, dates and places visit our special dedicated site at
Meet us 5G World Conference in London on 13 & 14 June 2017 where we will be present along with 5G Courses at booth #5G106. To arrange a meeting contact us:
03.2017 is launching “Towards 5G: Research and Standardization Course” where Grandmetric contributed to the preparation of the content and outline.


This Guidepaper discusses the various Next Generation Firewall products available in the market that can be utilized for Medium scale enterprise.
This book examines the features of LTE-Advanced and LTE-Advanced Pro and how they integrate into existing LTE networks. Professionals find in- depth coverage of how the air interface is structured at the physical layer and how the related link level protocols are designed and work.
The "Towards 5G - Research and Standardization" course allows you to get in-depth knowledge on the latest 5G Air Interface and software defined architecture, with latest updates on 5G R&D projects and 3GPP standardization process. 
This unique course combines the theoretical foundations for the wireless transmission, and Wireless LAN standards together with the practical aspects ranging from measurement, planning and troubleshooting activities, to network design and configuration of the CISCO network devices.


Grandmetric is an IT&Telco Next Generation Consulting company providing technical as well as business insights along with technical trainings and advanced services specializing in wireless communications, IP networking and network security.

Mobile Networks

Mobile networks have been in spotlight since the introduction of LTE, back in 2009. Since then, there has been significant growth in mobile network technology at a very fast pace which includes introduction of Small Cells & Heterogeneous Networks (HetNets), Internet-of-Things (IoT), Self-Organizing Networks (SON), virtualization and 5G. Check how Grandmetric can help you to understand latest radio trends and to decide in future investments in technology.

Enterprise networks

There are huge range of technology aspects covering modern enterprises requirements. Starting with fundamental LAN and WAN connectivity, Internet Edges, Data Centers, mobility and collaboration and the data security and ending with the latest Software Defined Networks, Cloud directions managers, architects and engineers might be confused which way to go. Grandmetric with their expertise, enterprise experience and research help enterprises to transform.

Network security

Confidentiality of data, importance of service continuity and consistently growing online business makes Security number one topic in IT business. There are many approaches, products, visions and vendors that address some security challenges. Due to the research, analysis and comparative studies done by our team with strong security background and experience we know how to choose the best path to secure your network and services.


Marcin Bialy
Advisory Architect | Board Member
Marcin Bialy

Marcin is a Head of IP & Security areas in Grandmetric. He conducts Grandmetric authorized training and is heading research in IP and Network Security areas. Acting as a Board Member defines company’s strategy .
Marcin Dryjanski
Principal Consultant | Board Member
Marcin Dryjanski

Marcin is heading the mobile communications field in Grandmetric. He is heading technical consulting and research in 5G area and is responsible for defining company’s strategy and service portfolio in the area of mobile communications.