Rohde & Schwarz R&S FSL3 - Page 179

WiMAX, WiBro Measurements (Options K92/K93) R&S FSL
1300.2519.12 2.154 E-11
Symbol Description
n
kkkk
chdp
,,, subcarrier index (general, pilot, data, subchannel
n
)
l OFDM symbol index
FFT
N length of FFT
g
N number of samples in cyclic prefix (guard interval)
s
N number of Nyquist samples
sc
N number of subcarriers
n
subchannel index, subframe index
kl
n
,
noise sample
l
1 common phase error
QQ
ˆ
,  I/Q imbalance (actual, estimate)
)(ir received sample in the time domain
klklklkl
rrrr
,,,,
,,,
2
2
2
2
2
2
received sample (uncompensated, fully compensated, partially compensated,
equalized) in the frequency domain
T
useful symbol time
g
T guard time
s
T symbol time
Abbreviation Description
AWGN additive white Gaussian noise
BER bit error rate
CFO carrier frequency offset
CINR carrier to interference and noise ratio
CIR channel impulse response
CP cyclic prefix (guard interval)
CPE common phase error
CTF channel transfer function
DL downlink
EVM error vector magnitude
FFT fast Fourier transformation
IF intermediate frequency
ISI intersymbol interference
OFDM orthogonal frequency division multiplexing
OFDMA orthogonal frequency division multiple access
PAPR peak to average power ratio
RSSI received signal strength indicator
SFO sampling frequency offset
UL uplink