ATE358364T1 - Verfahren und einrichtung zum erzeugen von komplexen vierphasenfolgen für ein cdma- übertragungssystem - Google Patents
Verfahren und einrichtung zum erzeugen von komplexen vierphasenfolgen für ein cdma- übertragungssystemInfo
- Publication number
- ATE358364T1 ATE358364T1 AT04018352T AT04018352T ATE358364T1 AT E358364 T1 ATE358364 T1 AT E358364T1 AT 04018352 T AT04018352 T AT 04018352T AT 04018352 T AT04018352 T AT 04018352T AT E358364 T1 ATE358364 T1 AT E358364T1
- Authority
- AT
- Austria
- Prior art keywords
- bit
- spread spectrum
- flip flops
- generating complex
- transmission system
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/102—Combining codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J2013/0037—Multilevel codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/956,808 US6026117A (en) | 1997-10-23 | 1997-10-23 | Method and apparatus for generating complex four-phase sequences for a CDMA communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE358364T1 true ATE358364T1 (de) | 2007-04-15 |
Family
ID=25498721
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04018352T ATE358364T1 (de) | 1997-10-23 | 1998-05-20 | Verfahren und einrichtung zum erzeugen von komplexen vierphasenfolgen für ein cdma- übertragungssystem |
AT98922420T ATE272917T1 (de) | 1997-10-23 | 1998-05-20 | Verfahren und gerät zur erzeugung vierphasen komplex sequenzen in einem cdma kommunikationssystem |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98922420T ATE272917T1 (de) | 1997-10-23 | 1998-05-20 | Verfahren und gerät zur erzeugung vierphasen komplex sequenzen in einem cdma kommunikationssystem |
Country Status (13)
Country | Link |
---|---|
US (8) | US6026117A (de) |
EP (2) | EP0965188B9 (de) |
JP (1) | JP3884776B2 (de) |
KR (1) | KR100545502B1 (de) |
CN (2) | CN1131609C (de) |
AT (2) | ATE358364T1 (de) |
AU (1) | AU7497398A (de) |
CA (1) | CA2272864C (de) |
DE (3) | DE69837452T2 (de) |
DK (1) | DK0965188T3 (de) |
ES (2) | ES2138949T3 (de) |
HK (1) | HK1025690A1 (de) |
WO (1) | WO1999021299A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6385264B1 (en) * | 1999-06-08 | 2002-05-07 | Qualcomm Incorporated | Method and apparatus for mitigating interference between base stations in a wideband CDMA system |
KR100404180B1 (ko) * | 1999-07-06 | 2003-11-03 | 엘지전자 주식회사 | 통신시스템에서의 기지국 신호 복조 장치 |
AU2001233150A1 (en) * | 2000-01-28 | 2001-08-07 | Morphics Technolgoy Inc. | A wireless spread spectrum communication platform using dynamically reconfigurable logic |
JP3917864B2 (ja) * | 2000-03-09 | 2007-05-23 | 富士通株式会社 | 疑似ランダム信号生成方法及びその装置 |
DE10036372A1 (de) * | 2000-07-18 | 2002-01-31 | Univ Berlin Tech | Sender, Empfänger sowie Sender- und Empfängeranordnung |
GB2376157B (en) * | 2001-01-29 | 2003-12-10 | Morphics Tech Inc | A method of generating a configuration for a configurable spread spectrum communication device |
US7203474B2 (en) * | 2001-10-24 | 2007-04-10 | Rohm Co., Ltd. | Receiver system |
WO2003081797A1 (en) * | 2002-03-22 | 2003-10-02 | Linkair Communications, Inc. | A coding method to create general spread spectrum sequence with zero correlation window |
JP4571178B2 (ja) * | 2002-11-12 | 2010-10-27 | 株式会社リコー | 超広帯域通信用受信機および超広帯域通信用の再生データ生成方法および、超広帯域通信システム |
JP4057467B2 (ja) * | 2002-11-12 | 2008-03-05 | 株式会社リコー | 超広帯域通信用受信機および超広帯域通信用の再生データ生成方法 |
KR100511299B1 (ko) | 2002-12-13 | 2005-08-31 | 엘지전자 주식회사 | 이동 통신 시스템의 데이터 심볼 맵핑 및 확산 장치 |
EP1496371A1 (de) * | 2003-07-07 | 2005-01-12 | Mitsubishi Electric Information Technology Centre Europe B.V. | Erzeugung von Wellenformpaketen |
US20060013332A1 (en) * | 2004-07-16 | 2006-01-19 | Rayburn David C | Method of sending information using superresolution to didtinguish overlapping symbols |
US8363704B1 (en) | 2003-07-24 | 2013-01-29 | Rayburn David C | Method of transmitting information using a bandwidth limited communications channel |
US20070081484A1 (en) * | 2004-07-29 | 2007-04-12 | Wang Michael M | Methods and apparatus for transmitting a frame structure in a wireless communication system |
US20080317142A1 (en) * | 2005-07-29 | 2008-12-25 | Qualcomm Incorporated | System and method for frequency diversity |
US9003243B2 (en) * | 2004-07-29 | 2015-04-07 | Qualcomm Incorporated | System and method for modulation diversity |
US8391410B2 (en) * | 2004-07-29 | 2013-03-05 | Qualcomm Incorporated | Methods and apparatus for configuring a pilot symbol in a wireless communication system |
US9246728B2 (en) | 2004-07-29 | 2016-01-26 | Qualcomm Incorporated | System and method for frequency diversity |
US9391751B2 (en) * | 2005-07-29 | 2016-07-12 | Qualcomm Incorporated | System and method for frequency diversity |
US9042212B2 (en) | 2005-07-29 | 2015-05-26 | Qualcomm Incorporated | Method and apparatus for communicating network identifiers in a communication system |
US7983945B2 (en) * | 2006-10-18 | 2011-07-19 | Vienna Human Capital Advisors, Llc | Method and system for analysis of financial investment in human capital resources |
KR102026652B1 (ko) | 2011-02-18 | 2019-09-30 | 선 페이턴트 트러스트 | 신호생성방법 및 신호생성장치 |
EP2608474B1 (de) * | 2011-12-23 | 2018-09-05 | Vodafone Holding GmbH | Verfahren und Sender/Empfänger zur Datenübertragung mit flexibler Nutzung von Zeit- und Frequenzdiversität |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
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FR1580108A (de) * | 1966-03-02 | 1969-09-05 | ||
US3648238A (en) * | 1970-05-15 | 1972-03-07 | Precision Instr Co | Error-correcting encoder and decoder for asymmetric binary data channels |
US4158193A (en) * | 1977-06-06 | 1979-06-12 | International Data Sciences, Inc. | Data transmission test set with synchronization detector |
FR2394921A1 (fr) * | 1977-06-13 | 1979-01-12 | Poitevin Jean Pierre | Modulateur a quatre phases a sauts decales |
US4755969A (en) * | 1986-11-07 | 1988-07-05 | Digital Electronic Communications Equipment (Dece Corp.) | Pseudo random sequence generation |
US5361047A (en) * | 1990-02-13 | 1994-11-01 | Hitachi, Ltd. | PI/4 shift QPSK modulator and communication apparatus used therewith |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
FR2671647A1 (fr) * | 1991-01-16 | 1992-07-17 | France Etat | Generateur pseudo-aleatoire. |
US5187676A (en) * | 1991-06-28 | 1993-02-16 | Digital Equipment Corporation | High-speed pseudo-random number generator and method for generating same |
US5233629A (en) * | 1991-07-26 | 1993-08-03 | General Instrument Corporation | Method and apparatus for communicating digital data using trellis coded qam |
FI925870A (fi) * | 1991-12-27 | 1993-06-28 | Mitsubishi Electric Corp | Demodulator med foerdroejd detektering |
US5408628A (en) * | 1992-07-07 | 1995-04-18 | Odetics, Inc. | Solid state recorder with flexible width data bus utilizing lock mapping and error correction and detection circuits |
US5373532A (en) * | 1992-09-11 | 1994-12-13 | Fujitsu Limited | π/4 quadrature phase shift keying modulator |
US5488629A (en) * | 1993-02-17 | 1996-01-30 | Matsushita Electric Industrial Co., Ltd. | Signal processing circuit for spread spectrum communications |
US5471497A (en) * | 1993-11-01 | 1995-11-28 | Zehavi; Ephraim | Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding |
US5467294A (en) * | 1994-03-09 | 1995-11-14 | Hu; Vince | High speed, low power direct digital synthesizer |
US5497395A (en) * | 1994-04-04 | 1996-03-05 | Qualcomm Incorporated | Method and apparatus for modulating signal waveforms in a CDMA communication system |
KR970002951B1 (ko) * | 1994-04-13 | 1997-03-13 | 양승택 | 2^n길이 의사 난수 계열 발생 장치 |
US5604770A (en) * | 1994-10-13 | 1997-02-18 | Hewlett-Packard Company | PI/4 DQPSK modulation with coarse mapper precession and fine filter precession |
US5640416A (en) * | 1995-06-07 | 1997-06-17 | Comsat Corporation | Digital downconverter/despreader for direct sequence spread spectrum communications system |
JP2737730B2 (ja) * | 1995-11-30 | 1998-04-08 | 日本電気株式会社 | スペクトル拡散送受信機 |
US6823488B1 (en) * | 1998-08-27 | 2004-11-23 | Texas Instruments Incorporated | Packet binary convolutional codes |
US6201835B1 (en) * | 1999-03-05 | 2001-03-13 | Burr-Brown Corporation | Frequency-shaped pseudo-random chopper stabilization circuit and method for delta-sigma modulator |
US6374278B1 (en) * | 1999-03-25 | 2002-04-16 | Intel Corporation | Method and apparatus for the generation of statistically random numbers |
US6628727B1 (en) * | 2000-01-10 | 2003-09-30 | Syncomm Technology Corporation | Apparatus and method for performing π/4-DQPSK baseband modulation based on a signal mapping to be simplified |
-
1997
- 1997-10-23 US US08/956,808 patent/US6026117A/en not_active Expired - Lifetime
-
1998
- 1998-05-20 AT AT04018352T patent/ATE358364T1/de not_active IP Right Cessation
- 1998-05-20 DE DE69837452T patent/DE69837452T2/de not_active Expired - Lifetime
- 1998-05-20 CN CN98801378A patent/CN1131609C/zh not_active Expired - Fee Related
- 1998-05-20 AU AU74973/98A patent/AU7497398A/en not_active Abandoned
- 1998-05-20 JP JP52396999A patent/JP3884776B2/ja not_active Expired - Fee Related
- 1998-05-20 EP EP98922420A patent/EP0965188B9/de not_active Expired - Lifetime
- 1998-05-20 WO PCT/US1998/010199 patent/WO1999021299A1/en active IP Right Grant
- 1998-05-20 CA CA002272864A patent/CA2272864C/en not_active Expired - Fee Related
- 1998-05-20 EP EP04018352A patent/EP1489761B1/de not_active Expired - Lifetime
- 1998-05-20 DE DE69825427T patent/DE69825427T2/de not_active Expired - Lifetime
- 1998-05-20 DE DE0965188T patent/DE965188T1/de active Pending
- 1998-05-20 CN CNA2003101044210A patent/CN1496045A/zh active Pending
- 1998-05-20 AT AT98922420T patent/ATE272917T1/de not_active IP Right Cessation
- 1998-05-20 KR KR1019997004487A patent/KR100545502B1/ko not_active IP Right Cessation
- 1998-05-20 ES ES98922420T patent/ES2138949T3/es not_active Expired - Lifetime
- 1998-05-20 DK DK98922420T patent/DK0965188T3/da active
- 1998-05-20 ES ES04018352T patent/ES2282768T3/es not_active Expired - Lifetime
-
1999
- 1999-12-27 US US09/472,348 patent/US6337875B1/en not_active Expired - Lifetime
-
2000
- 2000-06-19 HK HK00103672A patent/HK1025690A1/xx not_active IP Right Cessation
-
2001
- 2001-11-13 US US10/011,113 patent/US6606344B2/en not_active Expired - Fee Related
-
2002
- 2002-02-04 US US10/067,082 patent/US6597726B2/en not_active Expired - Fee Related
- 2002-02-04 US US10/066,860 patent/US6614833B2/en not_active Expired - Fee Related
- 2002-02-04 US US10/066,968 patent/US6731671B2/en not_active Expired - Fee Related
-
2003
- 2003-08-08 US US10/637,463 patent/US7164705B2/en not_active Expired - Fee Related
-
2004
- 2004-02-12 US US10/777,369 patent/US20050002443A1/en not_active Abandoned
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |