Network Training:

Data Communications & HFC

(Euro)DOCSIS Technology and Protocol Level 1

āœ“ All trainings are offered as virtual sessions or in-person, on-demand or public, at Excentis or on-site. Highly interactive and with ample Q&A time! Predefined or tailored to your needs. Default language in English, but we also offer trainings in Dutch, French and German.

Next trainings Duration Location Location for the training
To be annouced

Be early,Ā sign up now for an extra discount or level up by bringing your whole crew!

Early Bird:
  • 10% discountĀ for registrations 60 days before the start
  • 15%Ā discountĀ for registrations 90 days before the start
  • 20%Ā discountĀ for registrations 120Ā days before the start
Volume:
  • 10% discountĀ starting from 3 enrollments.
  • 15%Ā discountĀ starting from 5 enrollments.
  • 20%Ā discountĀ starting from 10Ā enrollments.

Who can take this course?Ā  Everyone in the All Access Networks industryā€‹

Prerequisites: Some experience with RF, basic electronics knowledgeā€‹

Contact usĀ to align your optimal training path or for private training!

Discounts cannot be applied simultaneously.

Pricing
1 or 2 : ā‚¬ 500 * 3 to 6 : ā‚¬ 450 * 7 and up : ā‚¬ 400 * * prices per person, excl. VAT

Training Overview

The Hybrid-Fibre-Coax (HFC) architecture has been adapted by many cable operators for internet, telephony and multimedia services. Understanding the performance of the individual components in an HFC network is important to estimate their impact on the communication signals in the return path (from customer to headend).

The course introduces the architecture and the basic components of the return path of an HFC network. Beside this, the attendee will get insight in modulations, multiple access techniques, analogue to digital, the different sources of interference, their influence on the communication signals, and some appropriate mitigation techniques. The audience is typical people starting in cable (engineering, network operations, management, ā€¦)

  • Understand the architecture of an HFC networkā€‹ā€‹ā€‹
  • Knowledge of the performance of basic components in the return path of an HFC networkā€‹
  • Understanding of sources of interference and of techniques ā€‹to reduce interferenceā€‹

Course Overview

PART 1: INTRODUCTIONā€‹

  • What is an HFC network?ā€‹

PART 2: SIGNALSā€‹

  • Down- and upstream Ā· Voltage, power and frequencies Ā· Analogue andĀ digital modulation techniques (focus on QAM), power and spectralĀ efficiencyā€‹

PART 3: HFC NETWORK ARCHITECTUREā€‹

  • HFC and backbone Ā· Optical nodes Ā· Coaxial distribution plant Ā· multiple access techniquesā€‹

PART 4: COMPONENTSā€‹ā€‹

  • Passive: coaxial cable Ā· splitter Ā· tapĀ· diplex filter Ā· optical fibreā€‹
    Active: amplifier Ā· NTU Ā· laser Ā· photo detector Ā· optical nodeā€‹

PART 5: NOISE

  • Internal interference: intermodulation Ā· thermal noise Ā· group delay Ā· amplitude flatness Ā· micro-reflections Ā· HUM modulation Ā· fibre-optic noise.ā€‹ External interference: ingress Ā· impulse noise ā€‹and the entry points Ā· Impact Ā· BER and SNRā€‹

PART 6: RETURN PATH NOISE MITIGATIONā€‹

  • Hardware techniques: optimal network installation Ā· filtering of upstream components Ā· equalization of attenuation Ā· ā€‹
    improved home networkā€‹. Software techniques: frequency hopping Ā· robust modulation techniques Ā· FEC Ā· interleavingā€‹

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Get customer training tailored to your needs, topics, levels and profiles, remote or on-premise, for and by actual field engineers with years of experience teaching and implementing.

Bart, Chief of Training

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