Tele-Communication Principles

Who is the course for?

This module covers the principles of communicating at a distance. It considers the three elements required for the transfer of information, i.e. the source (transmitter), channel (link) and sink (receiver).

The use of practical/imperfect channels and the presence of interference in the form of electrical noise are considered. The bandwidth of typical signals is also covered with respect to the available portions of the complete electromagnetic spectrum. The unit also covers the requirement for the modulation of information and multiplexing techniques in both analogue and digital format. The characteristics of telecommunications traffic and queuing theory are considered, along with the mathematical tools and computer modelling systems required for analysis and methods of controlling congestion.

What will I study?

Investigate the requirements of basic communication systems

• Describe the characteristics of communication transmitters, receivers and links
• Determine the relationship between frequency, wavelength & velocity
• Determine the frequency components of complex waveforms (e.g. pulse train)
• Convert from linear to logarithmic relationships (and vice Versa) and determine the overall gain/loss of typical systems (e.g. link budgets).

Investigate Communication channels and their characteristics

• Determine the various sources of noise found in electronic communication systems
• Determine the overall noise figure for typical communication systems (e.g. radio receiver)
• Determine the expected information capacity of typical
• communication systems given the available bandwidth and the signal-to-noise ratio
• Describe the various channel impairments and comment on their resultant effect on the maximum system bit rate.

Investigate various modulation & multiplexing techniques used for analogue/digital signals

• Explain the need for modulation and the range of modulation schemes used for analogue signals
• Describe the modulation schemes used to represent digital data over analogue networks
• Describe the range of digital modulation methods and explain typical applications for each method
• Explain the reasons for multiplexing signals giving examples of the various methods used.

Investigate the characteristics of telecommunications traffic

• Apply mathematical formulae to telephone traffic
• Calculate the ‘grade of service’ and the probability of lines being engaged
• Determine the traffic carried by a server or group of servers & state any assumptions made
• Determine the mean delay on all calls and on queued calls explain a variety of methods for controlling network congestion

Assessment Outcomes: At the end of these modules the student should be able to demonstrate a practical capacity to carry out the tasks listed to a commercially acceptable standard, applying principles correctly in context but may not yet have developed a deep understanding of the theoretical underpinning of the subject. Optional assessments are included.

How will the course be delivered?

The course runs for a maximum of 1 week – 9am until 7pm.

It is essential that all attendees:

1. Are competent with maths (No lower than GCSE Grade C)
2. Have a good level of written and spoken English
3. Have some understanding/experience of underlying concepts of engineering

The college operates a no refunds policy as detailed below. Cancellations and transfer requests are subject to the following conditions:

• More than 4 weeks notice – no charge
• 4 weeks notice – 30% of the cost
• 2-3 weeks notice – 50% of the cost
• 1-2 weeks notice – 75% of the cost
• Less than 1 weeks notice – 100% of the cost

All cancellations must be made in writing and are subject to a £10 administration charge. The full fee’s policy is available on request.

Blackburn College Certificate of Attendance

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£500 per person
(Prices Subject to Change)