DK69598A - Fremgangsmåde og apparat til konstant indhylling kvadratur amplitude modulation - Google Patents

Fremgangsmåde og apparat til konstant indhylling kvadratur amplitude modulation

Info

Publication number
DK69598A
DK69598A DK199800695A DK69598A DK69598A DK 69598 A DK69598 A DK 69598A DK 199800695 A DK199800695 A DK 199800695A DK 69598 A DK69598 A DK 69598A DK 69598 A DK69598 A DK 69598A
Authority
DK
Denmark
Prior art keywords
amplitude modulation
quadrature amplitude
constant envelope
envelope quadrature
constant
Prior art date
Application number
DK199800695A
Other languages
English (en)
Inventor
In Jai Park
Woo Hyung Lee
Original Assignee
Daewoo Telecom 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 Daewoo Telecom Ltd filed Critical Daewoo Telecom Ltd
Publication of DK69598A publication Critical patent/DK69598A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DK199800695A 1996-09-21 1998-05-20 Fremgangsmåde og apparat til konstant indhylling kvadratur amplitude modulation DK69598A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019960041512A KR100231876B1 (ko) 1996-09-21 1996-09-21 정진폭특성을 갖는 직교진폭변조방법 및 그 장치
PCT/KR1997/000176 WO1998012850A1 (en) 1996-09-21 1997-09-19 Method and apparatus for constant envelope quadrature amplitude modulation

Publications (1)

Publication Number Publication Date
DK69598A true DK69598A (da) 1998-07-15

Family

ID=19474780

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199800695A DK69598A (da) 1996-09-21 1998-05-20 Fremgangsmåde og apparat til konstant indhylling kvadratur amplitude modulation

Country Status (8)

Country Link
US (1) US6091784A (da)
JP (1) JP2000501587A (da)
KR (1) KR100231876B1 (da)
CA (1) CA2215859A1 (da)
DK (1) DK69598A (da)
FI (1) FI981107L (da)
SE (1) SE9801796L (da)
WO (1) WO1998012850A1 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7324635B2 (en) 2000-05-04 2008-01-29 Telemaze Llc Branch calling and caller ID based call routing telephone features
JP3563357B2 (ja) * 2000-06-23 2004-09-08 松下電器産業株式会社 適応変調通信システム
US6816008B2 (en) * 2002-12-31 2004-11-09 Alion Science And Technology Corporation Quasi-linear multi-state digital modulation through non-linear amplifier arrays
KR100488431B1 (ko) * 2003-01-24 2005-05-11 전자부품연구원 정 진폭 이진직교 변조 및 복조장치
KR100587788B1 (ko) * 2004-09-22 2006-06-09 전자부품연구원 정진폭 다중부호 이진직교 변조 신호의 최적 복조와준최적 복조방법, 및 그 장치
CN101228761B (zh) * 2005-07-26 2011-04-20 松下电器产业株式会社 相对倒转的星座映射的比特操作的重排分集
KR100776974B1 (ko) * 2006-07-26 2007-11-21 전자부품연구원 정진폭 이진 직교 변조 및 쌍직교 위상 편이 변조를 이용한변조기
US8068571B2 (en) * 2008-06-12 2011-11-29 Harris Corporation Featureless coherent chaotic amplitude modulation
US8699630B2 (en) * 2010-10-27 2014-04-15 Silicon Laboratories Inc. Systems and methods for handling data rate changes within a packet or frame
KR102923635B1 (ko) 2023-05-22 2026-02-04 국립강릉원주대학교산학협력단 직교진폭변조 심볼 생성방법 및 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2088676B (en) * 1980-11-14 1985-09-04 Plessey Co Ltd Transmission systems
US4495619A (en) * 1981-10-23 1985-01-22 At&T Bell Laboratories Transmitter and receivers using resource sharing and coding for increased capacity
US4730344A (en) * 1984-08-13 1988-03-08 The University Of Michigan Quadrature-quadrature phase shift keying with constant envelope
US5115438A (en) * 1988-08-04 1992-05-19 Siemens Aktiengesellschaft Method for redundancy-saving, error-correcting coding in digital radio link systems having multi-level modulation
JPH0879325A (ja) * 1994-09-05 1996-03-22 Hitachi Ltd Ｑａｍ信号の送受信方法及び送信・受信装置
US5659578A (en) * 1994-11-23 1997-08-19 At&T Wireless Services, Inc. High rate Reed-Solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio
JPH08163077A (ja) * 1994-12-09 1996-06-21 Ricoh Co Ltd 通信システム

Also Published As

Publication number Publication date
KR19980022384A (ko) 1998-07-06
FI981107A7 (fi) 1998-07-13
KR100231876B1 (ko) 1999-12-01
CA2215859A1 (en) 1998-03-21
FI981107L (fi) 1998-07-13
JP2000501587A (ja) 2000-02-08
SE9801796D0 (sv) 1998-05-20
SE9801796L (sv) 1998-05-20
FI981107A0 (fi) 1997-09-19
WO1998012850A1 (en) 1998-03-26
US6091784A (en) 2000-07-18

Similar Documents

Publication Publication Date Title
DK1133081T3 (da) Fremgangsmåde og apparat til båndbreddeallokering
NO994729L (no) Fremgangsmåte og apparat til friksjonssveising
DK79789D0 (da) Apparat og fremgangsmaade til paafoering af omsvoebte etiketter paa beholdere
NO990902D0 (no) Hurtigskrivende apparat og metode
NO984373L (no) FremgangsmÕte og anordning hvor kveil-i-kveil-r°r benyttes
DK465589A (da) Fremgangsmaade og apparat til afgivelse af etiketter
EE9900107A (et) Meetod ja aparatuur ajajaotussignaalide genereerimiseks raadiosideseadmes
NO970559L (no) Fremgangsmåte og apparat for brönnlogging
SG49311A1 (en) Method and apparatus for amplifying modulating and demodulating
FI981309A0 (fi) Laitteisto ja menetelmä moduloidun signaalin demoduloimiseksi
NO985994D0 (no) Anordning og fremgangsmÕte for Õ kompensere fasevrengning
EP0754379A4 (en) METHOD AND DEVICE FOR SECURE ANGLE MODULATION-BASED COMMUNICATION
DK0806356T3 (da) Fremgangsmåde og apparat til de-oxygering af fødevareemballager
GB2336976B (en) Modulation apparatus and method using zero crossing detection
DK465489D0 (da) Fremgangsmaade og apparat til afgivelse af etiketter
DK69598A (da) Fremgangsmåde og apparat til konstant indhylling kvadratur amplitude modulation
NO971594D0 (no) Fremgangsmåte og apparat for feilkorreksjon
FI973167A7 (fi) Menetelmä ja laite useiden kvadratuurimoduloitujen kantajien tuottamis eksi
NO941068D0 (no) Fremgangsmåte og apparat til amplitudekompensert skrivekorreksjon
NO995710D0 (no) Fremgangsmåte og apparat for deteksjon av modulasjon
DK0701966T3 (da) Fremgangsmåde og apparat til drikkevareemballering
DK199800942A (da) Fremgangsmåde og apparat til konstant indhyllingskurve kvadratur-kvadratur amplitude modulation
FI961686A7 (fi) Menetelmä keskinäismodulaatioiden mittaamiseksi ja tukiasema
DK119090A (da) Apparat og fremgangsmaade til kontrol af beholdere
NO995567L (no) Fremgangsmåte og apparat for samvirkning

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment