SE9801796D0 - Förfarande och apparat för kvdraturamplitudmodulering med konstant envelop - Google Patents
Förfarande och apparat för kvdraturamplitudmodulering med konstant envelopInfo
- Publication number
- SE9801796D0 SE9801796D0 SE9801796A SE9801796A SE9801796D0 SE 9801796 D0 SE9801796 D0 SE 9801796D0 SE 9801796 A SE9801796 A SE 9801796A SE 9801796 A SE9801796 A SE 9801796A SE 9801796 D0 SE9801796 D0 SE 9801796D0
- Authority
- SE
- Sweden
- Prior art keywords
- constant envelope
- data
- amplitude modulation
- envelope
- qam
- Prior art date
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)
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 (2)
| Publication Number | Publication Date |
|---|---|
| SE9801796L SE9801796L (sv) | 1998-05-20 |
| SE9801796D0 true SE9801796D0 (sv) | 1998-05-20 |
Family
ID=19474780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9801796A SE9801796D0 (sv) | 1996-09-21 | 1998-05-20 | Förfarande och apparat för kvdraturamplitudmodulering med konstant envelop |
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) | FI981107A7 (da) |
| SE (1) | SE9801796D0 (da) |
| WO (1) | WO1998012850A1 (da) |
Families Citing this family (10)
| 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 |
| WO2007012339A1 (en) * | 2005-07-26 | 2007-02-01 | Matsushita Electric Industrial Co., Ltd. | Bit-operated rearrangement diversity for aico mapping |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ198844A (en) * | 1980-11-14 | 1984-05-31 | Plessey Overseas | Digital information transmission: two dimensional code |
| 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 |
-
1996
- 1996-09-21 KR KR1019960041512A patent/KR100231876B1/ko not_active Expired - Fee Related
-
1997
- 1997-09-16 US US08/931,435 patent/US6091784A/en not_active Expired - Fee Related
- 1997-09-18 CA CA002215859A patent/CA2215859A1/en not_active Abandoned
- 1997-09-19 FI FI981107A patent/FI981107A7/fi unknown
- 1997-09-19 JP JP10514532A patent/JP2000501587A/ja active Pending
- 1997-09-19 WO PCT/KR1997/000176 patent/WO1998012850A1/en not_active Ceased
-
1998
- 1998-05-20 SE SE9801796A patent/SE9801796D0/xx not_active Application Discontinuation
- 1998-05-20 DK DK199800695A patent/DK69598A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980022384A (ko) | 1998-07-06 |
| DK69598A (da) | 1998-07-15 |
| WO1998012850A1 (en) | 1998-03-26 |
| SE9801796L (sv) | 1998-05-20 |
| FI981107L (fi) | 1998-07-13 |
| JP2000501587A (ja) | 2000-02-08 |
| KR100231876B1 (ko) | 1999-12-01 |
| FI981107A7 (fi) | 1998-07-13 |
| CA2215859A1 (en) | 1998-03-21 |
| FI981107A0 (fi) | 1997-09-19 |
| US6091784A (en) | 2000-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
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