ATE329439T1 - Vorverzerrung zur korrektur von nichtlinearitäten sowie von gruppenlaufzeit bei satellitenkommunikation - Google Patents
Vorverzerrung zur korrektur von nichtlinearitäten sowie von gruppenlaufzeit bei satellitenkommunikationInfo
- Publication number
- ATE329439T1 ATE329439T1 AT02704966T AT02704966T ATE329439T1 AT E329439 T1 ATE329439 T1 AT E329439T1 AT 02704966 T AT02704966 T AT 02704966T AT 02704966 T AT02704966 T AT 02704966T AT E329439 T1 ATE329439 T1 AT E329439T1
- Authority
- AT
- Austria
- Prior art keywords
- corrector
- group delay
- satellite
- predistortion
- linearities
- 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
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
- H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
- H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radio Relay Systems (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0106159A GB2373417B (en) | 2001-03-13 | 2001-03-13 | Satellite communication apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE329439T1 true ATE329439T1 (de) | 2006-06-15 |
Family
ID=9910566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02704966T ATE329439T1 (de) | 2001-03-13 | 2002-03-13 | Vorverzerrung zur korrektur von nichtlinearitäten sowie von gruppenlaufzeit bei satellitenkommunikation |
Country Status (7)
Country | Link |
---|---|
US (1) | US6957044B2 (de) |
EP (1) | EP1371202B1 (de) |
AT (1) | ATE329439T1 (de) |
AU (1) | AU2002238765A1 (de) |
DE (1) | DE60212093T2 (de) |
GB (1) | GB2373417B (de) |
WO (1) | WO2002073813A2 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6812792B2 (en) * | 2003-01-02 | 2004-11-02 | Harris Corporation | Precorrection of a nonlinear amplifier |
US7333558B2 (en) * | 2003-03-31 | 2008-02-19 | Intel Corporation | Digitally pre-equalizing signals |
GB0320352D0 (en) * | 2003-09-01 | 2003-10-01 | Secr Defence | Digital modulation waveforms for use in ranging systems |
US7522658B2 (en) * | 2003-09-30 | 2009-04-21 | Broadcom Corporation | Design method and implementation of optimal linear IIR equalizers for RF transceivers |
GB2415308A (en) * | 2004-06-18 | 2005-12-21 | Filtronic Plc | Memory effect predistortion for a transmit power amplifier in a telecommunications system |
US8233562B2 (en) | 2007-09-05 | 2012-07-31 | Comtech Ef Data Corp. | System and method for closed-loop signal distortion |
US20100130154A1 (en) * | 2008-11-24 | 2010-05-27 | Sei-Joo Jang | Amplification system for interference suppression in wireless communications |
US20100130145A1 (en) * | 2008-11-24 | 2010-05-27 | Sei-Joo Jang | Amplification system for interference suppression in wireless communications |
US20110076974A1 (en) * | 2009-01-31 | 2011-03-31 | Sei-Joo Jang | Flexible wireless network system and method of use |
ITMI20111212A1 (it) * | 2011-06-30 | 2012-12-31 | Sky Italia S R L | Apparato per inviare segnali ad un satellite configurato per trasmissioni broadcast |
GB201302359D0 (en) | 2013-02-11 | 2013-03-27 | Newtec Cy | Predistortion circuit and method for predistorting a signal |
US9716602B2 (en) * | 2013-07-08 | 2017-07-25 | Hughes Network Systems, Llc | System and method for iterative compensation for linear and nonlinear interference in system employing FTN symbol transmission rates |
CN103812587B (zh) * | 2014-02-12 | 2015-09-23 | 南京信息工程大学 | 一种基于群时延效应和非线性约束的卫星信道建模方法 |
EP3155776B1 (de) * | 2014-06-12 | 2022-11-02 | Hughes Network Systems, LLC | Sukzessive mehrträgervorverzerrung für digitale übertragung |
US9300333B2 (en) * | 2014-08-01 | 2016-03-29 | Apple Inc. | Methods for computing predistortion values for wireless systems |
BE1023259B1 (nl) | 2015-12-24 | 2017-01-13 | Newtec Cy N.V. | Transmitter |
US10027404B2 (en) * | 2016-01-08 | 2018-07-17 | Global Eagle Entertainment Inc. | Loopback satellite transponder pre-distorter |
FR3078600B1 (fr) * | 2018-03-01 | 2020-03-13 | Teamcast | Procedes d'emission et de reception d'un signal radiofrequence dans un systeme de transmission par satellite, emetteur, recepteur de caracterisation et programme d'ordinateur correspondants. |
CN112787600B (zh) * | 2020-12-28 | 2022-11-08 | 电子科技大学 | 一种失真抑制频段可调的数字预失真校正方法与装置 |
CN113726405B (zh) * | 2021-07-30 | 2023-03-14 | 中国电子科技集团公司第三十八研究所 | 一种Ka频段多址链路建模仿真系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2644638B1 (de) | 1989-03-14 | 1991-05-31 | Labo Electronique Physique | |
JPH10500824A (ja) * | 1994-05-19 | 1998-01-20 | オーテル コーポレイション | 電子及び光信号線形化のための列をなした前置歪み発生装置 |
US6549242B1 (en) * | 1997-04-04 | 2003-04-15 | Harris Corporation | Combining adjacent TV channels for transmission by a common antenna |
GB9823190D0 (en) * | 1998-10-23 | 1998-12-16 | Nds Ltd | Method and apparatus for reducing distorsion of digital data |
US6327709B1 (en) * | 1998-12-22 | 2001-12-04 | General Instruments Corporation | Method and apparatus for filtering interference and nonlinear distortions |
US6449466B1 (en) * | 1998-12-30 | 2002-09-10 | Samsung Electronics Co., Ltd. | Adaptive digital pre-distortion correction circuit for use in a transmitter in a digital communication system and method of operation |
US6587514B1 (en) * | 1999-07-13 | 2003-07-01 | Pmc-Sierra, Inc. | Digital predistortion methods for wideband amplifiers |
US6684064B2 (en) * | 2000-03-29 | 2004-01-27 | Interdigital Technology Corp. | Dynamic bias for RF power amplifiers |
US6600516B1 (en) * | 2000-04-21 | 2003-07-29 | Harris Corporation | Digital RF transmitter system employing both digital pre-correction and analog pre-correction |
US20020085117A1 (en) * | 2001-01-04 | 2002-07-04 | Harris Frederic Joel | System and method for nondisruptively embedding a QAM modulated data signal into in a composite video signal |
-
2001
- 2001-03-13 GB GB0106159A patent/GB2373417B/en not_active Revoked
-
2002
- 2002-03-13 US US10/097,495 patent/US6957044B2/en not_active Expired - Lifetime
- 2002-03-13 DE DE60212093T patent/DE60212093T2/de not_active Expired - Lifetime
- 2002-03-13 EP EP02704966A patent/EP1371202B1/de not_active Expired - Lifetime
- 2002-03-13 WO PCT/GB2002/001136 patent/WO2002073813A2/en active IP Right Grant
- 2002-03-13 AT AT02704966T patent/ATE329439T1/de not_active IP Right Cessation
- 2002-03-13 AU AU2002238765A patent/AU2002238765A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2002073813A2 (en) | 2002-09-19 |
WO2002073813A3 (en) | 2003-03-06 |
GB2373417A (en) | 2002-09-18 |
EP1371202A2 (de) | 2003-12-17 |
DE60212093D1 (de) | 2006-07-20 |
US6957044B2 (en) | 2005-10-18 |
EP1371202B1 (de) | 2006-06-07 |
DE60212093T2 (de) | 2006-12-07 |
GB0106159D0 (en) | 2001-05-02 |
US20020164949A1 (en) | 2002-11-07 |
AU2002238765A1 (en) | 2002-09-24 |
GB2373417B (en) | 2004-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |