RF Fundamentals - LogeshVel/learning_resources GitHub Wiki
Wired - 802.3
Wireless - 802.11
Frequency





channels






No wave travels faster than others. All waves travel at the same speed but the differnce is that the information carried by the wave can be differ



Decible laws

dBm

EIRP


RSSI



SNR

Carrier Signal

Modulation





Spread Spectrum


FHSS

DSSS

OFDM

Regulatory Bodies
Regulates the frequency, band, power, channel






Standard bodies
Determines the technology we use within those bands



2.4


Based on the Modulation technique the CW and Channels would change.
5GHz



802.11

802.11b

802.11a

802.11g

802.11n


Channel Aggregation

Spatial Multiplexing

MAC Layer Efficiency

Transmit Beamforming


802.11ac



802.11ac waves

Co-Channel Interference


Neighboring channel interference


Other Interference

Free space path loss


Dynamic Rate Shifting







