Table 1 Summary of the key signal-level parameters involved in the quadruple proposed in ( 4)

$D\doteq N_{\text{ss}}/N$

Ratio between the symbol period and the number of

subcarriers (samples/subcarrier)

$F_0\doteq 1/T_0$

Subcarrier frequency separation (Hz)

F _s

Sampling rate (samples/second)

L _g

Prototype filter length (samples)

$L_g^{\prime }\doteq L_g/P$

Ratio between the prototype filter length and the

subcarrier period (unitless)

N

Number of FBMC subcarriers.

$N_{\text{ss}}\doteq F_{\mathrm{s}}T$

FBMC symbol duration (samples)

$P\doteq F_{\mathrm{s}}/F_0$

Fundamental subcarrier period (samples)

$Q\doteq N_{\text{ss}}/P$

Subcarrier spacing normalized to the symbol rate (unitless)

$R\doteq 1/T$

Symbol rate (symbols/second)

T

Symbol period (seconds)

T _g

Duration (seconds) of the prototype filter impulse response

T ₀

Subcarrier period (seconds)