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Learn online, anytime, with our self-study courses. Our self-paced on-demand distance learning courses include an extensive blend of core reading materials and video resources, scenario-based assignments, a dedicated Instructor, live virtual workshops and tools to communicate effectively with fellow students, all in a modern, intuitive and secure cross-device Virtual Learning Environment.Each course is accessible on any computer, tablet or smartphone and allow you to study at a time and location that is convenient to you. Subjects covered include key network technologies including 5G, LTE, eSIM, RAN, GSM-R and Network Security. Enrol and you'll get instant access so you can start learning straight...

Voice over LTE VoLTE stands for Voice over LTE and it is the umbrella term covering all methods of transporting voice and other Circuit Switched (CS) services over an LTE / 4G network. It is also the specific term applied to the provision of those services via an IP Multimedia Subsystem (IMS) rather than a legacy CS core network. The supporters of VoLTE claim, with some justification, that it’s the voice solution LTE was designed to support. Other methods of providing voice and CS services, such as CS Fallback, are simply transitional steps that operators can take on the way...

Railway networks depend on telecoms.  Without adequate systems in place, trains would not be able to run. GSM-R, adopted in most European countries following International Union of Railways (UIC) guidelines, provides a vital radio communication link between train drivers and signallers, as well as supporting the European Train Control System (ETCS), which details train movements without the need for lineside signalling. Internet Protocol (IP) technologies are used widely in support of signalling activities, critical communication links, surveillance and CCTV monitoring amongst many others, supported by an extensive fibre and copper network. Wi-Fi provides connectivity to the internet for passengers but...

Mission critical communications are currently supported by the Airwave network; however by the end of 2019 it is the intention of the government to replace this network with a more cost-effective and up-to-date broadband communications system. The main issue is that time is running out. The government has chosen a system - LTE (Long Term Evolution); however LTE was never designed for mission critical communications. It was designed to provide mobile communications to smart devices, offering quicker access to data. What this means is that the LTE systems needs to be adapted to make it suitable for mission critical communications,...

The demand for mobile broadband services is putting increased pressure on LTE mobile operators. Simply deploying LTE base stations to provide LTE coverage is only part of the solution. Radio network optimization is widely accepted as a means of improving capacity and performance in a cost-effective manner. The Wray Castle LTE Optimization course enables optimization engineers to identify key parameters which can be tuned to provide peak performance demanded by subscribers. Many optimization engineers will have cut their teeth on GSM and UMTS networks. But LTE is a relatively new technology with its own unique radio characteristics. This training course...