'RF / Antenna Fundamentals in 802.11 WiFi' course promotional video

preview_player
Показать описание
The link to the course:

Topics:

PROPERTIES OF SIGNAL:
Sending
Receiving
Polarization
Wavelength vs. Frequency
Measurement
EIRP (Equivalent Isotropically Radiated Power)
Field Strength vs. Orientation
How Waves Shape Signal
Reflection
Penetration
Diffraction

TYPES OF ANTENNAS:
Omnidirectional
Sector
Directional

ASPECTS OF ANTENNAS:
Signal Spread
Gain
Reciprocity
Range/Antenna Type
Range/Frequency
Mounting
Signal-Spread Morphing

FACTORS OF SIGNAL QUALITY:
Multipath
Obstructions
Fresnel Zone
Weather
Interference
Noise Floor/Signal-to-Noise Ratio
VSWR (Voltage Standing Wave Ratio)

RADIO TRANSCEIVER PROPERTIES:
Data Rate vs. Throughput
Range (Tx Power, Rx Sensitivity)
Receive Sensitivity and Data Rate
Range/Data Rate Relationship
Link Formation

LINK BUDGETS:
Radio Transceivers
Cable and Connectors
Antennas
Attenuation
Fade Margin

MECHANISMS FOR INCREASED THROUGHPUT:
Receive Diversity/Transmit Diversity
Maximal-Ratio Combining
MIMO (Multiple-in, Multiple Out)
MU-MIMO (Multi-User MIMO)
QAM (Quadrature Amplitude Modulation
OFDMA (Orthogonal Frequency Division Multiple Access)
Transmit Beamforming
Smart-Antenna Beamforming
Рекомендации по теме