LTE (4G) Circuit-Switched Fallback (CSFB)
CSFB makes circuit switched (CS) services (e.g. voice calls) in a LTE enabled networks. To receive or initiate a CS service, the subscriber or user… Read More »LTE (4G) Circuit-Switched Fallback (CSFB)
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suboktech - rranches
Although more than 20years working on Mobile Telecommunications - Core Network. Always wanting to learn and try new things.
LTE (Long-Term Evolution)
Introduction Mobile Communications since the early 1980’s keeps on evolving from 2G, 3G, 3.5G, 4G and then recently talks about 5G is in every corner.… Read More »LTE (Long-Term Evolution)
Python with Pandas Case 1: Merge CSV files, grouping by columns and sum values
Sample Data 1 (node1) Sample Data 2 (node2) We want a result file to sum the counters of each instance (i.e. link) Output Let’s go… Read More »Python with Pandas Case 1: Merge CSV files, grouping by columns and sum values
Pythoning with Pandas
Introduction I usually work on my data (i.e. stats files coming from network elements we maintain) using spreadsheets. It’s a routine task that I do… Read More »Pythoning with Pandas
Machine Learning
What is Machine Learning? With a bit of search I’ve noted two Machine Learning definitions: From an older definition (Arthur Samuel c.a. 1950s): He defined… Read More »Machine Learning
SS7 Firewall
Introduction It may now be considered as legacy but SS7 is still the main interconnect interface to communicate between operators. Over the years, SS7 been… Read More »SS7 Firewall
Introduction : GPRS Tunneling Protocol (GTP)
The GPRS Tunneling Protocol includes both the GTP control plane (GTP-C) and the GTP user plane (GTP-U) providing procedures for data transfer. GTP also lists… Read More »Introduction : GPRS Tunneling Protocol (GTP)
Camel Protocol
What is CAMEL? CAMEL is oftenly the termed as ‘Intelligent Network’ (IN), an enhancement of an existing network services that can be offered to mobile… Read More »Camel Protocol
Network Transformation
Introduction Demand for network services have been growing over the last years and continuing till today. For example, Internet of Things devices requires connection 24/7,… Read More »Network Transformation
Introduction : SS7 Structure
Message Transfer Part (MTP) The message transfer part represent the transport of messages between users. The term “user” is referring to the functional units which… Read More »Introduction : SS7 Structure
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