WO2004014034A3 - Verfahren zur aufteilung der bitrate von qpsk-signalen in zwei oder mehrere teilkanäle - Google Patents
Verfahren zur aufteilung der bitrate von qpsk-signalen in zwei oder mehrere teilkanäle Download PDFInfo
- Publication number
- WO2004014034A3 WO2004014034A3 PCT/EP2003/008335 EP0308335W WO2004014034A3 WO 2004014034 A3 WO2004014034 A3 WO 2004014034A3 EP 0308335 W EP0308335 W EP 0308335W WO 2004014034 A3 WO2004014034 A3 WO 2004014034A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dividing
- bit rate
- qpsk signals
- several subchannels
- qpsk
- 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
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
-
- 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
- H04L27/2602—Signal structure
- H04L27/26035—Maintenance of orthogonality, e.g. for signals exchanged between cells or users, or by using covering codes or sequences
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03766333A EP1525730A2 (de) | 2002-07-31 | 2003-07-29 | Verfahren zur aufteilung der bitrate von qpsk-signalen in zwei oder mehrere teilkanäle |
US10/522,861 US7515645B2 (en) | 2002-07-31 | 2003-07-29 | Method for dividing the bit rate of QPSK signals into two or several subchannels |
JP2004525352A JP4069206B2 (ja) | 2002-07-31 | 2003-07-29 | 2つ又はそれ以上の部分チャネルにqpsk信号のビットレートを分割する方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10234823.5 | 2002-07-31 | ||
DE10234823A DE10234823B4 (de) | 2002-07-31 | 2002-07-31 | Verfahren zur Aufteilung der Bitrate von QPSK-Signalen in zwei oder mehrere Teilkanäle |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004014034A2 WO2004014034A2 (de) | 2004-02-12 |
WO2004014034A3 true WO2004014034A3 (de) | 2004-04-08 |
Family
ID=30469239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/008335 WO2004014034A2 (de) | 2002-07-31 | 2003-07-29 | Verfahren zur aufteilung der bitrate von qpsk-signalen in zwei oder mehrere teilkanäle |
Country Status (6)
Country | Link |
---|---|
US (1) | US7515645B2 (de) |
EP (1) | EP1525730A2 (de) |
JP (1) | JP4069206B2 (de) |
CN (1) | CN1672378A (de) |
DE (1) | DE10234823B4 (de) |
WO (1) | WO2004014034A2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7421204B2 (en) * | 2004-09-02 | 2008-09-02 | Lucent Technologies Inc. | Method and system for increasing the spectral efficiency of binary coded digital signals |
DE102007036828B4 (de) * | 2007-08-03 | 2009-09-03 | Oliver Bartels | Funkgerät mit neuartigem CIFDM Modulationsverfahren |
CN102148679B (zh) * | 2010-02-05 | 2013-09-18 | 西瑞克斯通信技术股份有限公司 | 低复杂度的宽带信号数字选频方法 |
CN105450574B (zh) * | 2015-07-03 | 2019-04-05 | 王红星 | 无时间、频率保护间隔多载波通信频分多址接入方法与装置 |
CN107347042B (zh) * | 2017-07-31 | 2020-04-14 | 电子科技大学 | 一种多级数字信道化子信道输出判决方法 |
CA3138371A1 (en) * | 2019-06-07 | 2020-12-10 | Michel Fattouche | A novel communication system of high capacity |
DE102019209801A1 (de) * | 2019-07-03 | 2021-01-07 | Innovationszentrum für Telekommunikationstechnik GmbH IZT | Empfänger zum Empfangen eines Kombinationssignals mit Berücksichtigung einer Inter-Symbol-Interferenz und niedriger Komplexität, Verfahren zum Empfangen eines Kombinationssignals und Computerprogramm |
US11888660B2 (en) * | 2021-10-28 | 2024-01-30 | University Corporation For Atmospheric Research | Band filter for filtering a discrete time series signal |
CN116132234B (zh) * | 2023-01-09 | 2024-03-12 | 天津大学 | 利用鲸目动物哨声相位编码的水下隐蔽通信方法及装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6278732B1 (en) * | 1998-01-12 | 2001-08-21 | Hughes Electronics Corp. | Efficient MLSE equalization for quadrature multi-pulse (QMP) signaling |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4680777A (en) * | 1984-08-13 | 1987-07-14 | The University Of Michigan | Quadrature-quadrature phase shift keying |
US5784402A (en) * | 1995-01-09 | 1998-07-21 | Kamilo Feher | FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA |
-
2002
- 2002-07-31 DE DE10234823A patent/DE10234823B4/de not_active Expired - Fee Related
-
2003
- 2003-07-29 EP EP03766333A patent/EP1525730A2/de not_active Withdrawn
- 2003-07-29 CN CNA038177838A patent/CN1672378A/zh active Pending
- 2003-07-29 US US10/522,861 patent/US7515645B2/en not_active Expired - Fee Related
- 2003-07-29 JP JP2004525352A patent/JP4069206B2/ja not_active Expired - Fee Related
- 2003-07-29 WO PCT/EP2003/008335 patent/WO2004014034A2/de active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6278732B1 (en) * | 1998-01-12 | 2001-08-21 | Hughes Electronics Corp. | Efficient MLSE equalization for quadrature multi-pulse (QMP) signaling |
Non-Patent Citations (3)
Title |
---|
GRUENBACHER D M ET AL: "A simple algorithm for generating discrete prolate spheroidal sequences", IEEE TRANSACTIONS ON SIGNAL PROCESSING, vol. 42, no. 11, November 1994 (1994-11-01), NEW YORK, USA, pages 3276 - 3278, XP002269014, ISSN: 1053-587X * |
GRUENBACHER D M ET AL: "N dimensional orthogonal QPSK signaling with discrete prolate spheroidal sequences", RADIO AND WIRELESS CONFERENCE, 1998, COLORADO SPRINGS, CO, USA, 9 August 1998 (1998-08-09) - 12 August 1998 (1998-08-12), NEW YORK, USA, pages 63 - 66, XP010296329, ISBN: 0-7803-4988-1 * |
WALDECK B H ET AL: "PERFORMANCE EVALUATION OF TFO-Q2PSK IN GAUSSIAN, MULTIPATH AND FADING CHANNELS", 1999 IEEE AFRICON 5TH. AFRICON CONFERENCE IN AFRICA, CAPE TOWN, SOUTH AFRICA, 28 September 1999 (1999-09-28) - 1 October 1999 (1999-10-01), NEW YORK, USA, pages 233 - 238, XP000895832, ISBN: 0-7803-5547-4 * |
Also Published As
Publication number | Publication date |
---|---|
US20060056535A1 (en) | 2006-03-16 |
DE10234823B4 (de) | 2004-11-18 |
CN1672378A (zh) | 2005-09-21 |
DE10234823A1 (de) | 2004-02-19 |
EP1525730A2 (de) | 2005-04-27 |
JP2006501701A (ja) | 2006-01-12 |
JP4069206B2 (ja) | 2008-04-02 |
WO2004014034A2 (de) | 2004-02-12 |
US7515645B2 (en) | 2009-04-07 |
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