TW200737803A - Differential orthogonal modulation method and apparatus using repetition time interval difference of chirp signal - Google Patents

Differential orthogonal modulation method and apparatus using repetition time interval difference of chirp signal

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Publication number
TW200737803A
TW200737803A TW095108986A TW95108986A TW200737803A TW 200737803 A TW200737803 A TW 200737803A TW 095108986 A TW095108986 A TW 095108986A TW 95108986 A TW95108986 A TW 95108986A TW 200737803 A TW200737803 A TW 200737803A
Authority
TW
Taiwan
Prior art keywords
orthogonal modulation
time interval
create
differential
modulation method
Prior art date
Application number
TW095108986A
Other languages
Chinese (zh)
Other versions
TWI364941B (en
Inventor
Kyung-Kuk Lee
Original Assignee
Orthotron Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Orthotron Co Ltd filed Critical Orthotron Co Ltd
Priority to TW95108986A priority Critical patent/TWI364941B/en
Publication of TW200737803A publication Critical patent/TW200737803A/en
Application granted granted Critical
Publication of TWI364941B publication Critical patent/TWI364941B/en

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  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

A differential orthogonal modulation method and a differential orthogonal modulation apparatus using a repetition time interval difference of a chirp signal are disclosed. Such a differential orthogonal modulation method performed in a transmitter unit of a digital communication system comprises the steps of converting data having a serial bit format to be transmitted in the transmitter unit into a parallel format to create parallel input data, inputting the parallel input data into a symbol mapper, orthogonally modulating the parallel input data inputted into the symbol mapper to create modulated data comprised of differential bi-orthogonal functions, differentially encoding the modulated data to output encoded data, converting the encoded data into a serial bit format to create a baseband signal, and processing the baseband signal to create a transmission signal in a form of a chirp signal having a specific repetition time interval difference.
TW95108986A 2006-03-16 2006-03-16 Differential orthogoanl modulation method and apparatus using repetition time interval difference of chirp signal TWI364941B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW95108986A TWI364941B (en) 2006-03-16 2006-03-16 Differential orthogoanl modulation method and apparatus using repetition time interval difference of chirp signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW95108986A TWI364941B (en) 2006-03-16 2006-03-16 Differential orthogoanl modulation method and apparatus using repetition time interval difference of chirp signal

Publications (2)

Publication Number Publication Date
TW200737803A true TW200737803A (en) 2007-10-01
TWI364941B TWI364941B (en) 2012-05-21

Family

ID=46750672

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95108986A TWI364941B (en) 2006-03-16 2006-03-16 Differential orthogoanl modulation method and apparatus using repetition time interval difference of chirp signal

Country Status (1)

Country Link
TW (1) TWI364941B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI756840B (en) * 2020-09-24 2022-03-01 瑞昱半導體股份有限公司 Transmission circuit and transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI756840B (en) * 2020-09-24 2022-03-01 瑞昱半導體股份有限公司 Transmission circuit and transmission system

Also Published As

Publication number Publication date
TWI364941B (en) 2012-05-21

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