WorksheetsCS_04: WMC- April 15 2023
Total questions: 6
Worksheet time: 6mins
What is the purpose of modeling the radio channel in wireless communication systems?
A) To determine the number of users in a network
B) To optimize the transmission rate of the transmitter
C) To predict how radio signals will behave under different conditions
D) To reduce the cost of wireless devices
At which frequency bands do ground waves tend to be absorbed by the earth, leading to the use of sky wave propagation in long-distance communication?
A. VLF, LF, and MF bands
B. HF and VHF bands
C. UHF and microwave bands
D. All frequency bands
Match the following electromagnetic wave behaviors with their definitions:
Reflection
wave hits large object
Diffraction
path obstructed by edges
Scattering
medium with small obstacles
What is the Fresnel Reflection Coefficient (Γ)?
A. A measure of how much of a radio wave is absorbed when it encounters a boundary between two materials ls
B. A measure of how much of a radio wave is transmitted when it encounters a boundary between two materials
C. A measure of how much of a radio wave is reflected when it encounters a boundary between two materials
The ability of a material to store electric charges is determined by its (a) The ability of a material to support the formation of a magnetic field is determined by its (b) The ability of a material to conduct electricity is determined by its (c)
What is the effective isotropic radiated power (EIRP) defined as (a) ?
