Expertise

Expertise areas

Grandmetric team covers the following areas of expertise and technologies:

Mobile: LTE, LTE-Advanced, LTE-Advanced Pro, SON, RRM, IoT, 5G, SDN, Small Cells, HetNets
Networks: Network Security, DC, Routing & Switching, WAN and VPN, Collaboration
DC & Hosting: Hyperconvergence, Storage, Computing, Disaster Recovery, Backup

In the following phases of IT&Telco chain: Research, Development, Integration, Configuration, and Design.

Certificates

CCIE

Cisco Certified Internetwork Expert

CCDP

Cisco Certified Design Professional

CCNP

Cisco Certified Network Professional

CCSI

Certified Cisco Systems Instructor

CCIE

Routing & Switching

CCIE

CCIE Service Provider

CCNP

CCNP Collaboration

CCNP

CCNP Data Center

CCNA Voice

Cisco Certified Network Associate Voice

CCNA R&S

CCNA Routing & Switching

FORTINET

FCNSP

AWS

Certified Solutions Architect

Microsoft Azure

Solutions Architect Expert

Microsoft Azure

Security Engineer

Microsoft Azure

Administrator Associate

Kubernetes

Certified Administrator

Vmware

VMware Certified Professional – Network Virtualization

Vmware

VMware Certified Professional – Data Center Virtualization

Red Hat

RHCSA

NetApp

ONTAP

Latest Publications

P. Kryszkiewicz, A. Kliks, Ł. Kułacz, H. Bogucka, G. Koudouridis, M. Dryjański, “Context-Based Resource Management and Orchestration in 5G Wireless Access Networks”, Hindawi Wireless Communications and Mobile Computing, 2018

M. Rahnema, M. Dryjanski, ”From LTE to LTE-Advanced Pro and 5G”, Artech House 2017, Book

P. Tengkvist, G. Koudouridis, C. Qvarfordt, M. Dryjanski, M. Cellier, “Multi-Dimensional Radio Service Maps for Position-based Self-Organized Networks”, IEEE CAMAD 2017, 06.2017

M. Szydelko, M. Dryjanski, “3GPP Spectrum Access Evolution Towards 5G”, EAI Endorsed Transactions on Cognitive Communications, 02.2017

M. Dryjanski, M. Szydelko, “Spectrum Aggregation and Management Framework for pre-5G Applications”, IEEE ISWCS, Poznan, Poland, 09.2016

M. Dryjanski, M. Szydelko, “A Unified Traffic Steering Framework For LTE Radio Access Network Coordination”, IEEE Communications Magazine, 07.2016

M. Szydelko, M. Dryjanski, “Spectrum Toolbox Survey: Evolution Towards 5G”, CROWNCOM 2016, Grenoble, France, 05.2016