Signals and data links: Shannon capacity, path loss, throughput, latency, subnets and Erlang traffic
Maximum error-free data rate of a channel given bandwidth and signal-to-noise ratio.
Maximum data rate for a noiseless channel with M signal levels.
Ratio of two power levels expressed logarithmically.
Signal attenuation over distance in free space (d in km, f in MHz).
Actual data delivered per unit time.
Time for a signal to travel a distance at propagation speed.
Amount of data 'in flight' on a link, setting the ideal window size.
Physical length of one wave cycle for a given frequency.
Offered call traffic from call rate and average holding time.
Bit rate from symbol rate and bits carried per symbol.
Time to push a packet of L bits onto a link of rate R.
Number of usable IPv4 addresses in a subnet with an n-bit prefix.
Fraction of a server's capacity being used by arriving traffic.
Ratio of signal power to noise power in decibels.
Fraction of transmitted bits received in error.
Time to transfer a file of size S at rate R.
Directional gain of an antenna relative to an isotropic radiator, in decibels.