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Elements and Performance Criteria

Analyse suitability of radio systems
Calculate a radio link budget
Complete evaluation and planning documentations
- Complete an evaluation report on performance of radio systems with recommendations on improvements to the system
- Document the processes carried out to determine the optimal power link budget for a radio system

Required Skills

Required skills

analytical skills to review complex information to make judgements

communication skills to work effectively within a group and present information

information technology skills for word processing and desktop research

literacy skills to prepare reports given a specific format

numeracy skills to

calculate link budgets

gather and record data from measurements

research skills to gather data and information

technical skills to operate test equipment

Required knowledge

HF VHF UHF and microwave receiving techniques

modulation methods

digital formats

multiplexing systems

operation of transmitters and receivers

organisational policy and procedures

personal safety issues

propagation methods

radio communications systems

radio frequency RF losses

RF technologies

workplace and industry environment

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Overview of assessment

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Evidence of the ability to

analyse the signal degradation characteristics of radio paths and calculate power budgets for various distances and antenna heights versus transmitted power

research the constraints imposed by mobile phone frequency allocations and simulate carrier to interference radiation patterns around a cell site

complete evaluation report on radio system performance and document processes used to determine power link budget

Context of and specific resources for assessment

Assessment must ensure

telecommunications operations site

mobile telephony devices and equipment

networked computers and relevant software

Method of assessment

A range of assessment methods should be used to assess practical skills and knowledge The following examples are appropriate for this unit

oral or written questioning to assess required knowledge

review of link budget reports completed by the candidate for different communication scenarios

direct observation of the candidate analysing radio systems and calculating link budgets

Guidance information for assessment

Holistic assessment with other units relevant to the industry sector workplaces and job role is recommended for example

ICTPMGB Underatke a telecommunications project

ICTPMG7145B Underatke a telecommunications project

ICTTENB Plan a transmission network

ICTTEN7193B Plan a transmission network.

Aboriginal people and other people from a nonEnglish speaking background may have second language issues

Access must be provided to appropriate learning and assessment support when required

Assessment processes and techniques must be culturally appropriate and appropriate to the oral communication skill level and language and literacy capacity of the candidate and the work being performed

In all cases where practical assessment is used it will be combined with targeted questioning to assess required knowledge Questioning techniques should not require language literacy and numeracy skills beyond those required in this unit of competency

Where applicable physical resources should include equipment modified for people with special needs

Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Functional elements may include:	code division multiple access (CDMA) frequency division multiple access (FDMA) time division multiple access (TDMA) wideband code division multiple access (WCDMA).
Radio systems may include:	3G 4G CDMA GPRS Global system for mobiles (GSM) trunked WCDMA worldwide interoperability for microwave access (WiMAX).
Path loss refers to:	received power to transmitted power ratio and may depend on: antenna height atmospheric absorption distance rain reflection coefficient.
Variables may include:	clutter factor Doppler effect on mobile transmission frequency Fresnel distance and absorption K factor point-to-multipoint point-to-point Raleigh fading and counter measures reflection coefficient.
Modulation types may include:	FM AM orthogonal frequency division multiplex (OFDM) COFDM quaternary phase shift keying (QPSK) 16 quadrature amplitude modulation (QAM) 256 QAM.
Specified reliability may include:	drop outs outage time power margin signal fading.