CHANNEL ESTIMATION FOR ZT DFT-s-OFDM

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

Research output: PatentResearch

Abstract

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.
Original languageEnglish
IPCH04L27/2647
Patent numberWO2018014949A1
CountryDenmark
Publication statusPublished - 2018

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Channel estimation
Discrete Fourier transforms
Orthogonal frequency division multiplexing
Frequency response

Cite this

Berardinelli, G., Frederiksen, F., Pedersen, K. I., & Pajukoski, K. (2018). IPC No. H04L27/2647. CHANNEL ESTIMATION FOR ZT DFT-s-OFDM. (Patent No. WO2018014949A1).
Berardinelli, Gilberto (Inventor) ; Frederiksen, Frank (Inventor) ; Pedersen, Klaus I. (Inventor) ; Pajukoski, Kari (Inventor). / CHANNEL ESTIMATION FOR ZT DFT-s-OFDM. IPC No.: H04L27/2647. Patent No.: WO2018014949A1.
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abstract = "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.",
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Berardinelli, G, Frederiksen, F, Pedersen, KI & Pajukoski, K 2018, CHANNEL ESTIMATION FOR ZT DFT-s-OFDM, Patent No. WO2018014949A1, IPC No. H04L27/2647.

CHANNEL ESTIMATION FOR ZT DFT-s-OFDM. / Berardinelli, Gilberto (Inventor); Frederiksen, Frank (Inventor); Pedersen, Klaus I. (Inventor); Pajukoski, Kari (Inventor).

IPC No.: H04L27/2647. Patent No.: WO2018014949A1.

Research output: PatentResearch

TY - PAT

T1 - CHANNEL ESTIMATION FOR ZT DFT-s-OFDM

AU - Berardinelli, Gilberto

AU - Frederiksen, Frank

AU - Pedersen, Klaus I.

AU - Pajukoski, Kari

PY - 2018

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N2 - 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.

AB - 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.

M3 - Patent

M1 - WO2018014949A1

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Berardinelli G, Frederiksen F, Pedersen KI, Pajukoski K, inventors. CHANNEL ESTIMATION FOR ZT DFT-s-OFDM. H04L27/2647. 2018.