: Wireless Radio Technology

Interactive Activity: Longitudinal Pulse

This activity demonstrates how sending longitudinal pulses can be close or far apart.

Interactive Activity: Transverse Pulse

This activity demonstrates an interactive transverse pulse.

Interactive Activity: Amplitude and Frequency

This activity demonstrates a moving sine wave that allows for amplitude and frequency changes.

Interactive Activity: Amplitude, Frequency, and Phase

This activity draws a dynamic wave calculated from user input.

Interactive Activity: Analog to Digital Conversion

In this activity, the student will take samples of an analog signal and turn it into digital form.

Interactive Activity: Calculating Decibels

This activity allows the student to enter values for Power final and Power reference, then calculates for decibels.

Interactive Activity: Using Decibels

This activity allows the student to enter a value for the decibels and a value for the reference power resulting in the final power.

Interactive Activity: Electromagnetic Fields and Polarization

This activity includes a series of animated, graphical explanations of EM fields and polarization.

Interactive Activity: Propagation of Light in Matter

This activity demonstrates how light slows down through different materials.

Interactive Activity: Electromagnetic Calculator

This activity allows students to enter values for frequency and wavelength to calculate the speed of light.

Interactive Activity: Electromagnetic Spectrum

This activity allows the student to scroll through the EM spectrum by moving the mouse to the left or right over the graphic.

Interactive Activity: Fourier Synthesis

In this activity, the student will draw sine waves by selecting the amplitude, frequency, and phase of each.

Interactive Activity: Tone Generator Modulation

This activity plays frequency sounds and modulated sounds.

Interactive Activity: Digital Modulation

This activity shows examples of digital modulation.

Interactive Activity: Frequency Hopping Spread Spectrum

This activity demonstrates two different types of frequency hopping spread spectrum (FHSS).

Interactive Activity: Allocating Communications Resources

This activity shows time vs. frequency using bands/channels of FDMA, TDMA, CDMA.

Interactive Activity: Optical Refraction

This activity shows how refraction works in different materials (starting from a vacuum).

Interactive Activity: Law of Reflection

This activity animates how angles affect reflection.

Interactive Activity: Multipath

This activity demonstrates how a laptop transmits signals and how those signals can be received by the Access Point.

Interactive Activity: The Free-Space Loss (FSL) Equation

This activity calculates free space loss (FSL) in dB, frequency in MHz, and transmitter-receiver separation distance in km.

Interactive Activity: Free Space Loss Simulation

This applet demonstrates the concept of FSL (free space loss) between wireless devices.




Close Window
All contents copyright ©2001-2005 Cisco Systems, Inc. All rights reserved.