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Antenna Theory [SP6910]

In this course, we cover in some detail antenna theory. Lessons will cover the antennas, their characteristics, their specifications and what the specifications mean. The course continues on to include system issues that surround the antennas, such as system return loss and isolation between two antennas, and inter-modulation.

Estimated study time: 4 hours

Webcast duration: 2h:10m

Languages

The webcasts for this course are available in the following languages:

 Chinese Danish Dutch Finnish French German Hungarian Italian Japanese Korean Portuguese Russian Spanish Swedish Turkish

plus additional languages available for asssessments.

Audience

This course is aimed at anyone who is involved in the designing and installation of wireless cellular infrastructures. While we cannot possibly expect anyone to become an expert on RF communications simply by completing this material, if some of the mystery is unveiled and the picture seems a little clearer, its objective will have been met.

Pre-requisite experience

There is no pre-requisite experience required for this course. SP6000 RF Fundamentals will provide you with a sound understanding of RF theory if you do not have any exposure to these wide area communications networks and antenna.

Objectives

  • Learn the difference a good base station antenna can make
  • Understand the basic terminology and jargon
  • Learn about antenna radiation patterns
  • Introduce basic concepts of gain & antenna polarization
  • Discuss antenna types and the feed networks within the antenna
  • Learn the terminology and needs related to pattern shaping, sectorization & polarization
  • Introduce antenna tilt techniques
  • Understand the effects of PIM and VSWR and isolation
  • Look at pattern distortion and the effects of different types of obstructions

Key Topics

  • Introduction and Terminology - In this short lesson we will begin to understand why its important to understand antenna theory and the impact it can have in practice, we will also learn some of the basic terminology, evolution, dB, VSWR, wavelength, frequency and velocity, dipole, polarity and antenna pattern.
  • Antenna Radiation Patterns - In this lesson, we look at the basics of how you can achieve gain through antenna pattern shaping, reflectors, linear array antenna examples, directional antenna and the yagi.
  • Gain and Polarization - In this lesson, we will introduce the basic concepts of gain and antenna polarization, what gain is, gain references - dBd and dBi, theoretical and directive gain, polarization and OMNI antenna
  • Antenna Types and Feed Networks - In this lesson, we will review different types of antenna and what they look like. Plus we will discuss the main type of feed networks within the antenna, low band DualPol, radiator designs, feeds, microstrip networks, air stripline.
  • Pattern Shaping - In this lesson, we will expand on the terminology and needs related to pattern shaping. Pattern objectives, lobes, sidelobes, beamwidth, ratios, suppression, filling, CPR, tracking, Squint, SPR, comparisons and objectives.
  • Sectorization and Polarization - In this lesson, we are going to talk about system issues. So in this portion of the course we’ll talk about selecting sector antennas. We will talk about some special narrow beam antenna applications. We will discuss the polarization - why use vertical versus slant 45. Overlay patterns, narrow beam applications, diversity tests, future technology focus, overlay and handoffs.
  • Mechanical and Electrical Downtilt - In this lesson, we will talk about mechanical and electrical downtilt. We will have a brief slide on the RET optimization products plus introduce some more advanced antenna technologies. Effects of blooming, combined tilt designs, remote control and advance technology designs.
  • PIM and VSWR Effects - In this lesson, we will discuss passive intermodulation. Plus we will consider the effects of return loss as measured through the coax and the total RF path. The Lesson finishes with a couple of slides on antenna isolation.
  • Pattern Distortion - In this lesson, we look at pattern distortion and the effects of different types of obstructions. Distortions, patterns, performance with various non-conductive camouflage.

How will I learn?

You will study this course online in a self-paced format. The course is made up of a number of webcast lessons and online multiple choice assessments giving immediate feedback. Downloads include the PIM and VSWR calculators and numerous additional support documentation.

Successful completion will require:

Any level of pass in the overall assessment score.

Is this the right course for me?

If you are involved in design and installation of wireless cellular infrastructures and wish to back your existing knowledge of antennas with a solid theoretical understanding of this technology then this course is for you.

Upon successful completion you will:

Receive a certificate that may be self-printed and inclusion on the Wireless ID badge.

Course information:

Certificate valid for 3 years

Estimated study time: 4 hours

Webcast duration: 2h:10m

Course Benefits

  • Learn at your own pace
  • Effective learning
  • Learn on the go and on-site
  • Cost effective
  • Consistent training globally
  • Available in many languages
  • Access latest material

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