CHANNEL ESTIMATION FOR ZT DFT-s-OFDM

Gilberto Berardinelli (Opfinder), Frank Frederiksen (Opfinder), Klaus I. Pedersen (Opfinder), Kari Pajukoski (Opfinder)

Publikation: Patent

Abstrakt

A signal modulated according to zero-tail discrete Fourier transform spread orthogonal frequency division multiplexing (ZT DFT-s-OFDM) is received over a channel. The signal is down-sampled into a first sequence comprising N samples, N corresponding to the number of used subcarriers. The first Nh samples and the last Nt samples are removed from the first sequence, thereby obtaining a second sequence having a length of N-Nh-Nt. The second sequence is correlated with a reference sequence which has a length N-Nh-Nt, and a frequency response of the channel is estimated over the N used subcarriers based on a result of the correlation.
OriginalsprogEngelsk
IPCH04L27/2647
PatentnummerWO2018014949A1
LandDanmark
StatusUdgivet - 2018

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