TRANSMISSION DEVICE, RECEIVING DEVICE, AND TRANSMISSION/RECEIVING SYSTEM

An object is to provide a transmitting device, a receiving device, and a transmitting and receiving system, which enable accurate decompression even if sparsity of an original input digital signal is low. Accordingly, a compressing unit 11 is included, which generates and outputs a compressed digita...

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Bibliographic Details
Main Authors KUDO, TAKAHIRO, KAWAKAMI, HARUKI, KAWAHARA, YOSHIHIRO, KISHIRO, MASAMI, ASAMI, TOHRU
Format Patent
LanguageEnglish
French
German
Published 16.11.2016
Subjects
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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Summary:An object is to provide a transmitting device, a receiving device, and a transmitting and receiving system, which enable accurate decompression even if sparsity of an original input digital signal is low. Accordingly, a compressing unit 11 is included, which generates and outputs a compressed digital signal d that has been compressed, by converting an input digital signal x by use of a Walsh function and extracting a specific frequency component. The compressing unit 11 has an extracted observation matrix multiplying unit 12 that multiplies the input digital signal x by an observation matrix corresponding to a Walsh function of the specific frequency component, and generates and outputs, as the compressed digital signal d, the digital signal converted by the extracted observation matrix multiplying unit 12.
Bibliography:Application Number: EP20140877894