DE602005011152D1 - Bei mehrfachzeitschlitz- und mehrfachmodusbetrieb für eine drahtlose kommunikationsvorrichtung - Google Patents
Bei mehrfachzeitschlitz- und mehrfachmodusbetrieb für eine drahtlose kommunikationsvorrichtungInfo
- Publication number
- DE602005011152D1 DE602005011152D1 DE602005011152T DE602005011152T DE602005011152D1 DE 602005011152 D1 DE602005011152 D1 DE 602005011152D1 DE 602005011152 T DE602005011152 T DE 602005011152T DE 602005011152 T DE602005011152 T DE 602005011152T DE 602005011152 D1 DE602005011152 D1 DE 602005011152D1
- Authority
- DE
- Germany
- Prior art keywords
- digital
- signals
- guard
- bits
- filter means
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- 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
- H04L27/20—Modulator circuits; Transmitter circuits
-
- 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
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
- H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
-
- 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
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04300494 | 2004-07-29 | ||
PCT/IB2005/052309 WO2006013483A1 (en) | 2004-07-29 | 2005-07-12 | Modulator with instantaneous modulation scheme switching in multi-time slot and multi-mode operation, for a wireless communication equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602005011152D1 true DE602005011152D1 (de) | 2009-01-02 |
Family
ID=35033640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005011152T Active DE602005011152D1 (de) | 2004-07-29 | 2005-07-12 | Bei mehrfachzeitschlitz- und mehrfachmodusbetrieb für eine drahtlose kommunikationsvorrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080310543A1 (de) |
EP (1) | EP1776816B1 (de) |
JP (1) | JP2008508764A (de) |
KR (1) | KR20070038550A (de) |
CN (1) | CN1993952B (de) |
AT (1) | ATE415039T1 (de) |
DE (1) | DE602005011152D1 (de) |
WO (1) | WO2006013483A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7809082B2 (en) * | 2005-12-23 | 2010-10-05 | Texas Instruments Incorporated | GMSK/EDGE modulator with switching transition smoothing |
WO2017173131A1 (en) * | 2016-03-31 | 2017-10-05 | Idac Holdings, Inc. | Methods, apparatuses and systems directed to unique word discrete fourier transform spread and shaped orthogonal frequency division multiplexing based transmissions |
CN107395541B (zh) * | 2017-07-19 | 2019-08-16 | 上海航天测控通信研究所 | 连续相位调制信号的符号定时方法及系统 |
JP7093166B2 (ja) * | 2017-08-30 | 2022-06-29 | ホーチキ株式会社 | 受信機 |
CN112104582B (zh) * | 2020-11-09 | 2021-02-05 | 电子科技大学 | I/q域调制方法、双域调制方法和多址通信方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06197136A (ja) * | 1992-12-24 | 1994-07-15 | Fujitsu Ltd | ディジタル変調方法およびディジタル変調装置 |
CN1132447C (zh) * | 2000-08-24 | 2003-12-24 | 华为技术有限公司 | 一种集成多种调制功能的数字上变频器 |
FR2820564B1 (fr) * | 2001-02-02 | 2003-04-18 | Nortel Networks Ltd | Dispositifs d'emission et de reception de signal module |
CN1162026C (zh) * | 2001-03-07 | 2004-08-11 | 华为技术有限公司 | 集成多种调制功能的基站基带处理器及其实现多种调制的方法 |
CN1148907C (zh) * | 2001-06-01 | 2004-05-05 | 上海大唐移动通信设备有限公司 | 一种适用于edge系统的8psk数字调制方法 |
US7379504B2 (en) * | 2001-10-09 | 2008-05-27 | Broadcom Corporation | Optimal trellis code design for QPSK and higher order quadrature amplitude modulations |
US7158494B2 (en) * | 2001-10-22 | 2007-01-02 | Matsushita Electric Industrial Co., Ltd. | Multi-mode communications transmitter |
JP2005537743A (ja) * | 2002-08-28 | 2005-12-08 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | デジタルi/q変調器 |
JP4863213B2 (ja) * | 2003-12-04 | 2012-01-25 | エスティー‐エリクソン、ソシエテ、アノニム | 変調方式間で切り替えるときの不連続性の回避 |
JP4448168B2 (ja) * | 2004-03-04 | 2010-04-07 | クゥアルコム・インコーポレイテッド | 異なる変調フォーマットにおいて送信された隣接するシンボルバースト間でスムーズな遷移を達成するための方法および装置 |
US8009761B2 (en) * | 2004-06-24 | 2011-08-30 | Qualcomm Incorporation | Unified modulator for continuous phase modulation and phase-shift keying |
-
2005
- 2005-07-12 KR KR1020077003216A patent/KR20070038550A/ko not_active Application Discontinuation
- 2005-07-12 JP JP2007523185A patent/JP2008508764A/ja active Pending
- 2005-07-12 AT AT05760029T patent/ATE415039T1/de not_active IP Right Cessation
- 2005-07-12 WO PCT/IB2005/052309 patent/WO2006013483A1/en active Application Filing
- 2005-07-12 US US11/572,912 patent/US20080310543A1/en not_active Abandoned
- 2005-07-12 EP EP05760029A patent/EP1776816B1/de not_active Not-in-force
- 2005-07-12 CN CN2005800255828A patent/CN1993952B/zh not_active Expired - Fee Related
- 2005-07-12 DE DE602005011152T patent/DE602005011152D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
ATE415039T1 (de) | 2008-12-15 |
KR20070038550A (ko) | 2007-04-10 |
EP1776816A1 (de) | 2007-04-25 |
JP2008508764A (ja) | 2008-03-21 |
WO2006013483A1 (en) | 2006-02-09 |
CN1993952B (zh) | 2010-06-23 |
EP1776816B1 (de) | 2008-11-19 |
US20080310543A1 (en) | 2008-12-18 |
CN1993952A (zh) | 2007-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |