NO974002D0 - Digitalsambandssystem med komplementære koder og amplitudemodulasjon - Google Patents
Digitalsambandssystem med komplementære koder og amplitudemodulasjonInfo
- Publication number
- NO974002D0 NO974002D0 NO974002A NO974002A NO974002D0 NO 974002 D0 NO974002 D0 NO 974002D0 NO 974002 A NO974002 A NO 974002A NO 974002 A NO974002 A NO 974002A NO 974002 D0 NO974002 D0 NO 974002D0
- Authority
- NO
- Norway
- Prior art keywords
- amplitude modulation
- connection system
- digital connection
- complementary codes
- codes
- 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
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
- H04L27/2615—Reduction thereof using coding
- H04L27/2617—Reduction thereof using coding using block codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
- H04L27/2621—Reduction thereof using phase offsets between subcarriers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2697—Multicarrier modulation systems in combination with other modulation techniques
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/707,692 US5841813A (en) | 1996-09-04 | 1996-09-04 | Digital communications system using complementary codes and amplitude modulation |
Publications (2)
Publication Number | Publication Date |
---|---|
NO974002D0 true NO974002D0 (no) | 1997-09-01 |
NO974002L NO974002L (no) | 1998-03-05 |
Family
ID=24842759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO974002A NO974002L (no) | 1996-09-04 | 1997-09-01 | Digitalsambandssystem med komplementære koder og amplitudemodulasjon |
Country Status (7)
Country | Link |
---|---|
US (1) | US5841813A (no) |
EP (1) | EP0828365B1 (no) |
JP (1) | JP3333433B2 (no) |
KR (1) | KR100278428B1 (no) |
CA (1) | CA2211999A1 (no) |
IL (1) | IL121677A (no) |
NO (1) | NO974002L (no) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010055320A1 (en) * | 1994-12-15 | 2001-12-27 | Pierzga Wayne Francis | Multiplex communication |
US6452958B1 (en) | 1996-07-30 | 2002-09-17 | Agere Systems Guardian Corp | Digital modulation system using extended code set |
US6404732B1 (en) | 1996-07-30 | 2002-06-11 | Agere Systems Guardian Corp. | Digital modulation system using modified orthogonal codes to reduce autocorrelation |
US5862182A (en) | 1996-07-30 | 1999-01-19 | Lucent Technologies Inc. | OFDM digital communications system using complementary codes |
US5995483A (en) | 1996-08-22 | 1999-11-30 | Tellabs Operations, Inc. | Apparatus and method for upstream clock synchronization in a multi-point OFDM/DMT digital communication system |
US6771590B1 (en) | 1996-08-22 | 2004-08-03 | Tellabs Operations, Inc. | Communication system clock synchronization techniques |
US6950388B2 (en) * | 1996-08-22 | 2005-09-27 | Tellabs Operations, Inc. | Apparatus and method for symbol alignment in a multi-point OFDM/DMT digital communications system |
US6118758A (en) | 1996-08-22 | 2000-09-12 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture |
US6198776B1 (en) * | 1996-11-13 | 2001-03-06 | Motorola Inc. | Device and method for precoding data signals for PCM transmission |
US6005840A (en) * | 1997-04-01 | 1999-12-21 | Lucent Technologies Inc. | Complementary encoding and modulation system for use in an orthogonal frequency division multiplexing transmitter system and method thereof |
US6175551B1 (en) * | 1997-07-31 | 2001-01-16 | Lucent Technologies, Inc. | Transmission system and method employing peak cancellation to reduce the peak-to-average power ratio |
EP0899923A1 (en) * | 1997-08-29 | 1999-03-03 | Sony International (Europe) GmbH | Transmission of power control signals in a multicarrier modulation system |
EP1605654A1 (en) * | 1997-09-04 | 2005-12-14 | Sony Deutschland GmbH | Transmission system for OFDM-signals |
USRE43829E1 (en) * | 1997-09-04 | 2012-11-27 | Sony Deutchland GmbH | Transmission system for OFDM-signals with optimized synchronization |
US6137421A (en) * | 1997-11-12 | 2000-10-24 | Prince Corporation | Method and apparatus for storing a data encoded signal |
US6631175B2 (en) | 1998-04-03 | 2003-10-07 | Tellabs Operations, Inc. | Spectrally constrained impulse shortening filter for a discrete multi-tone receiver |
ES2389626T3 (es) | 1998-04-03 | 2012-10-29 | Tellabs Operations, Inc. | Filtro para acortamiento de respuesta al impulso, con restricciones espectrales adicionales, para transmisión de múltiples portadoras |
US7440498B2 (en) | 2002-12-17 | 2008-10-21 | Tellabs Operations, Inc. | Time domain equalization for discrete multi-tone systems |
US6795424B1 (en) | 1998-06-30 | 2004-09-21 | Tellabs Operations, Inc. | Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems |
ES2185244T3 (es) | 1998-12-03 | 2003-04-16 | Fraunhofer Ges Forschung | Aparato y procedimiento para transmitir informacion y aparato y procedimiento para recibir informacion. |
EP1152560B1 (en) * | 1998-12-18 | 2007-09-19 | Fujitsu Limited | Coding having peak power suppressing capability and error correcting capability in multi-carrier transmission and its decoding |
US6515978B1 (en) * | 1999-04-19 | 2003-02-04 | Lucent Technologies Inc. | Methods and apparatus for downlink diversity in CDMA using Walsh codes |
AU746989B2 (en) * | 1999-04-21 | 2002-05-09 | Canon Kabushiki Kaisha | Creation and decoding of two-dimensional code patterns |
AUPP992099A0 (en) | 1999-04-21 | 1999-05-20 | Canon Kabushiki Kaisha | Creation and decoding of two-dimensional code patterns |
ATE340465T1 (de) * | 1999-06-16 | 2006-10-15 | Sony Deutschland Gmbh | Optimierte synchronisierungspräambelstruktur für ofdm-system |
US6763072B1 (en) * | 1999-08-25 | 2004-07-13 | Victor Company Of Japan, Ltd. | Method and apparatus for modulation and demodulation related to orthogonal frequency division multiplexing |
FR2803468B1 (fr) * | 1999-12-30 | 2002-04-12 | Mitsubishi Electric Inf Tech | Methode d'estimation d'un canal de transmission ou de telecommunications |
WO2001065748A1 (fr) * | 2000-02-29 | 2001-09-07 | Fujitsu Limited | Procede de codage pour transmission a porteuses multiples et codeur utilisant ce procede |
US6529868B1 (en) | 2000-03-28 | 2003-03-04 | Tellabs Operations, Inc. | Communication system noise cancellation power signal calculation techniques |
ES2164613B1 (es) * | 2000-08-16 | 2003-05-16 | Fuente Vicente Diaz | Metodo, transmisor y receptor para comunicacion digital de espectro ensanchado mediante modulacion de secuencias complementarias golay. |
DE10049162A1 (de) * | 2000-09-27 | 2002-05-02 | Siemens Ag | Verfahren zur Kodierung von Datenpaketen insbesondere zur Übertragung über eine Luftschnittstelle |
US6990153B1 (en) * | 2001-02-06 | 2006-01-24 | Agency For Science, Technology And Research | Method and apparatus for semi-blind communication channel estimation |
US7187730B1 (en) | 2001-03-21 | 2007-03-06 | Marvell International Ltd. | Method and apparatus for predicting CCK subsymbols |
US7145969B1 (en) | 2001-03-21 | 2006-12-05 | Marvell International Ltd. | Method and apparatus for complementary code keying |
US7017104B1 (en) | 2001-08-24 | 2006-03-21 | Mediatek Inc. | Method and system for decoding block codes by calculating a path metric according to a decision feedback sequence estimation algorithm |
US7298798B1 (en) | 2001-08-24 | 2007-11-20 | Mediatek, Inc. | Method and system for decoding block codes |
KR20030050022A (ko) * | 2001-12-18 | 2003-06-25 | 엘지이노텍 주식회사 | 디지털 진폭 변조시스템 |
KR100866181B1 (ko) * | 2002-07-30 | 2008-10-30 | 삼성전자주식회사 | 통신 시스템에서 신호 송수신 방법 및 장치 |
DE10250891B4 (de) * | 2002-10-31 | 2005-08-11 | Advanced Micro Devices, Inc., Sunnyvale | Komplementärcodedecodierung durch Schaltkreise reduzierter Grösse |
US7551676B1 (en) | 2003-05-22 | 2009-06-23 | Nortel Networks Limited | Technique for reducing peak-to-average power ratio in digital signal communications |
US7183941B2 (en) | 2003-07-30 | 2007-02-27 | Lear Corporation | Bus-based appliance remote control |
US7161466B2 (en) | 2003-07-30 | 2007-01-09 | Lear Corporation | Remote control automatic appliance activation |
US7068181B2 (en) | 2003-07-30 | 2006-06-27 | Lear Corporation | Programmable appliance remote control |
KR100800795B1 (ko) | 2004-05-31 | 2008-02-04 | 삼성전자주식회사 | 통신 시스템에서 상향 링크 응답 정보 송/수신 방법 및 장치 |
US8305999B2 (en) * | 2007-01-05 | 2012-11-06 | Ravi Palanki | Resource allocation and mapping in a wireless communication system |
US20080186937A1 (en) * | 2007-02-07 | 2008-08-07 | Fam Adly T | Interlaced complementary code sets based on codes with unity peak sidelobes |
US7817708B2 (en) * | 2007-12-14 | 2010-10-19 | Sivaswamy Associates, Llc. | Orthogonal code division multiplex CCK (OCDM-CCK) method and apparatus for high data rate wireless LAN |
US8855222B2 (en) * | 2008-10-07 | 2014-10-07 | Qualcomm Incorporated | Codes and preambles for single carrier and OFDM transmissions |
JP5861059B2 (ja) * | 2010-09-01 | 2016-02-16 | パナソニックIpマネジメント株式会社 | レーダ装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4353067A (en) * | 1980-08-29 | 1982-10-05 | Westinghouse Electric Corp. | Method of reducing side lobes of complementary coded pulses in a coherent pulse compression doppler radar receiving system |
FR2494529B1 (fr) * | 1980-11-17 | 1986-02-07 | France Etat | Systeme de transmission numerique a codage adaptatif d'informations analogiques echantillonnees et transformees par transformation orthogonale |
US5151702A (en) * | 1991-07-22 | 1992-09-29 | General Electric Company | Complementary-sequence pulse radar with matched filtering following doppler filtering |
US5602833A (en) * | 1994-12-19 | 1997-02-11 | Qualcomm Incorporated | Method and apparatus for using Walsh shift keying in a spread spectrum communication system |
-
1996
- 1996-09-04 US US08/707,692 patent/US5841813A/en not_active Expired - Lifetime
-
1997
- 1997-07-30 CA CA002211999A patent/CA2211999A1/en not_active Abandoned
- 1997-08-26 EP EP97306510A patent/EP0828365B1/en not_active Expired - Lifetime
- 1997-09-01 IL IL12167797A patent/IL121677A/xx not_active IP Right Cessation
- 1997-09-01 NO NO974002A patent/NO974002L/no not_active Application Discontinuation
- 1997-09-03 KR KR1019970045686A patent/KR100278428B1/ko not_active IP Right Cessation
- 1997-09-04 JP JP23954497A patent/JP3333433B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IL121677A0 (en) | 1998-02-22 |
NO974002L (no) | 1998-03-05 |
EP0828365A2 (en) | 1998-03-11 |
CA2211999A1 (en) | 1998-03-04 |
US5841813A (en) | 1998-11-24 |
KR100278428B1 (ko) | 2001-02-01 |
EP0828365A3 (en) | 2000-12-06 |
EP0828365B1 (en) | 2011-06-29 |
KR19980024316A (ko) | 1998-07-06 |
JPH10107762A (ja) | 1998-04-24 |
JP3333433B2 (ja) | 2002-10-15 |
IL121677A (en) | 2000-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |