# US 2013/0156128 A1 · Transmission Device, Communication System, Transmission Method and Program

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- Number: US 2013/0156128 A1
- Document ID: US20130156128A1
- Status: Published application
- Kind: A1
- Application number: 13/770,388
- Filed: 2013-02-19
- Published: 2013-06-20
- Earliest claimed: 2008-04-14
- Assignees: Sony Corporation
- Inventors: Katsumi WATANABE
- Web page: https://patentgrep.com/patent/US20130156128A1

## CPC

- H04L 25/08: Modifications for reducing interference; Modifications for reducing effects due to line faults {; Receiver end arrangements for detecting or overcoming line faults}
- H04L 25/03: Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

A transmission device of the present invention includes a baseband waveform generator to generate a transmission signal by using a transfer function H0(f) that is in a relation of a matched filter with a transfer function H1(f) in an analog domain of a transmission side and a reception side connected through a wireless channel, and transmits the transmission signal generated by the baseband waveform generator.

## Claims

### Claim at position 1

1-4. (canceled)

### Claim 5

A transmission device comprising:
a Reed-Solomon encoder to Reed-Solomon encode transmission data;
a convolutional encoder to convolutionally encode the transmission data;
a spreader to spread the transmission data in a time domain; and
a rate controller to control transmission rate of the transmission data by controlling ON-OFF of encoding by the Reed-Solomon encoder, ON-OFF of encoding by the convolutional encoder, or spreading factor of the spreader.

### Claim 6

A transmission device comprising:
a first convolutional encoder to convolutionally encode transmission data;
a second convolutional encoder that is connected in parallel with the first convolutional encoder;
a selector to alternately input the transmission data to the first convolutional encoder and the second convolutional encoder; and
a controller to turn off one of the first convolutional encoder and the second convolutional encoder according to a transmission rate of the transmission data.

### Claim at position 4

7-9. (canceled)