From: Performance of pilot-assisted channel estimation without feedback for broadband ANC systems using OFDM access
Transmitter
Data modulation
QPSK
Block size
N c = 256
GI
N g = 32
Channel
L = 16-path block Rayleigh fading (uniform power delay profile)
Relay
Protocol
Amplify-and-forward
Receiver
FDE
ZF
CE
Pilot-assisted (Chu seq.)