基于不连续快速卷积的滤波处理

Translated title of the contribution: Discontinuous fast-convolution based filter processing

Juha Yli-Kaakinen (Inventor), Toni Levanen (Inventor), Markku Renfors (Inventor), Kari Pajukoski (Inventor), Alaa Loulou (Inventor)

Research output: Patent

Abstract

According to an aspect, there is provided a waveform processing device. The waveform processing device includes circuitry for receiving an input signal including one or more subsequent orthogonal frequency division multiplexing, OFDM, symbol blocks each of which includes a cyclic prefix and an OFDM data block and corresponds to one or more subbands. Further, the waveform processing device includes circuitry for segmenting each OFDM symbol block of the input signal into a set of a pre-defined number of partially overlapping signal blocks of equal length so that non-overlapping samples of the pre-defined number of partially overlapping signal blocks in each set include, in combination, an OFDM data block. Moreover, the waveform processing device includes circuitry for filtering each signal block in each set and for combining the filtered signal blocks in each set using overlap-and-save processing to produce one or more filtered OFDM data blocks for each subband.
Translated title of the contributionDiscontinuous fast-convolution based filter processing
Original languageChinese (Simplified)
Patent numberCN110661742B
IPCH04L27/26
Priority date29/06/18
Publication statusPublished - 15 Feb 2022
Publication typeH1 Granted patent

Fingerprint

Dive into the research topics of 'Discontinuous fast-convolution based filter processing'. Together they form a unique fingerprint.

Cite this