AU560098B2 - Packetized ensemble modem - Google Patents
Packetized ensemble modemInfo
- Publication number
- AU560098B2 AU560098B2 AU24910/84A AU2491084A AU560098B2 AU 560098 B2 AU560098 B2 AU 560098B2 AU 24910/84 A AU24910/84 A AU 24910/84A AU 2491084 A AU2491084 A AU 2491084A AU 560098 B2 AU560098 B2 AU 560098B2
- Authority
- AU
- Australia
- Prior art keywords
- carriers
- data
- modem
- communication medium
- signals
- 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.)
- Ceased
Links
- 239000000969 carrier Substances 0.000 claims description 44
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 34
- 230000006735 deficit Effects 0.000 claims description 21
- 230000002441 reversible effect Effects 0.000 claims description 13
- KKEBXNMGHUCPEZ-UHFFFAOYSA-N 4-phenyl-1-(2-sulfanylethyl)imidazolidin-2-one Chemical compound N1C(=O)N(CCS)CC1C1=CC=CC=C1 KKEBXNMGHUCPEZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000012935 Averaging Methods 0.000 claims 1
- 241000272168 Laridae Species 0.000 claims 1
- 108091006146 Channels Proteins 0.000 description 78
- 239000013598 vector Substances 0.000 description 43
- 238000012937 correction Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 16
- 230000006870 function Effects 0.000 description 13
- 230000008901 benefit Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000000872 buffer Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 206010009944 Colon cancer Diseases 0.000 description 5
- 230000003750 conditioning effect Effects 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- DFUSDJMZWQVQSF-XLGIIRLISA-N (2r)-2-methyl-2-[(4r,8r)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol Chemical compound OC1=CC=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 DFUSDJMZWQVQSF-XLGIIRLISA-N 0.000 description 1
- 244000007835 Cyamopsis tetragonoloba Species 0.000 description 1
- 241001269524 Dura Species 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- KXGCNMMJRFDFNR-WDRJZQOASA-N linaclotide Chemical compound C([C@H](NC(=O)[C@@H]1CSSC[C@H]2C(=O)N[C@H]3CSSC[C@H](N)C(=O)N[C@H](C(N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=4C=CC(O)=CC=4)C(=O)N2)=O)CSSC[C@H](NC(=O)[C@H](C)NC(=O)[C@@H]2CCCN2C(=O)[C@H](CC(N)=O)NC3=O)C(=O)N[C@H](C(NCC(=O)N1)=O)[C@H](O)C)C(O)=O)C1=CC=C(O)C=C1 KXGCNMMJRFDFNR-WDRJZQOASA-N 0.000 description 1
- 229960000812 linaclotide Drugs 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- H04L1/24—Testing correct operation
-
- 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
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Telephonic Communication Services (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1984/000045 WO1985003180A1 (en) | 1984-01-11 | 1984-01-11 | Packetized ensemble modem |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2491084A AU2491084A (en) | 1985-07-30 |
AU560098B2 true AU560098B2 (en) | 1987-03-26 |
Family
ID=22182004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU24910/84A Ceased AU560098B2 (en) | 1984-01-11 | 1984-01-11 | Packetized ensemble modem |
Country Status (9)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU578970B2 (en) * | 1984-09-14 | 1988-11-10 | Geostar Corporation | Satellite-based position determination and message transfer system with monitoring of link quality |
AU587037B2 (en) * | 1985-05-20 | 1989-08-03 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05316063A (ja) * | 1992-05-12 | 1993-11-26 | Fujitsu Ltd | 周波数多重モデムの多重制御方式 |
WO1995007581A1 (de) * | 1993-09-10 | 1995-03-16 | Deutsche Thomson-Brandt Gmbh | Verfahren zur übertragung von referenzsignalen in einem ofdm-system |
GB9323337D0 (en) * | 1993-11-11 | 1994-01-05 | Marconi Gec Ltd | High-speed digital subscriber lines |
GB2283879B (en) * | 1993-11-11 | 1998-02-11 | Plessey Telecomm | High-speed digital subscriber lines |
US5625651A (en) * | 1994-06-02 | 1997-04-29 | Amati Communications, Inc. | Discrete multi-tone data transmission system using an overhead bus for synchronizing multiple remote units |
CA2440657A1 (en) * | 1994-06-02 | 1995-12-14 | John M. Cioffi | Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system |
WO1997036384A1 (de) * | 1996-03-27 | 1997-10-02 | Robert Bosch Gmbh | Punkt-zu-mehrpunkt funkübertragungssystem |
US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
US6456649B1 (en) * | 1996-09-02 | 2002-09-24 | Stmicroelectronics N.V. | Multi-carrier transmission systems |
DE69717128T2 (de) * | 1996-09-02 | 2003-07-10 | Stmicroelectronics N.V., Amsterdam | Verbesserungen an oder in bezug auf mehrträger-übertragungsysteme |
US6937623B2 (en) | 1997-10-22 | 2005-08-30 | Texas Instruments Incorporated | Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system |
US6278685B1 (en) * | 1999-08-19 | 2001-08-21 | Intellon Corporation | Robust transmission mode |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4055808A (en) * | 1976-05-20 | 1977-10-25 | Intertel, Inc. | Data communications network testing system |
US4317204A (en) * | 1976-06-04 | 1982-02-23 | Ncr Corporation | Spread spectrum conferencing communication system |
US4225935A (en) * | 1977-08-30 | 1980-09-30 | Sperry Corporation | Coding method and system with enhanced security |
US4206320A (en) * | 1978-08-21 | 1980-06-03 | University Of Illinois Foundation | High speed modem suitable for operating with a switched network |
US4306308A (en) * | 1979-09-14 | 1981-12-15 | Rca Corporation | Symbols communication system |
JPS5660133A (en) * | 1979-10-23 | 1981-05-23 | Fujitsu Ltd | Error rate supervisory system |
US4320514A (en) * | 1980-06-09 | 1982-03-16 | Bell Telephone Laboratories, Incorporated | Spread spectrum FH-MFSK radio receiver |
US4383323A (en) * | 1980-06-09 | 1983-05-10 | Bell Telephone Laboratories, Incorporated | Spread spectrum FH-MFSK transmitter and receiver |
US4355399A (en) * | 1981-02-23 | 1982-10-19 | Bell Telephone Laboratories, Incorporated | Adaptive spread spectrum FH-MFSK transmitter and receiver |
-
1984
- 1984-01-11 AU AU24910/84A patent/AU560098B2/en not_active Ceased
- 1984-01-11 WO PCT/US1984/000045 patent/WO1985003180A1/en active IP Right Grant
- 1984-01-11 BR BR8407263A patent/BR8407263A/pt not_active IP Right Cessation
- 1984-01-11 DE DE8484900684T patent/DE3478177D1/de not_active Expired
- 1984-01-11 JP JP59500777A patent/JPS61501063A/ja active Granted
- 1984-01-11 EP EP84900684A patent/EP0167531B1/en not_active Expired
-
1985
- 1985-09-04 NO NO853476A patent/NO853476L/no unknown
- 1985-09-11 DK DK413885A patent/DK413885D0/da not_active Application Discontinuation
-
1990
- 1990-07-19 HK HK546/90A patent/HK54690A/en not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU578970B2 (en) * | 1984-09-14 | 1988-11-10 | Geostar Corporation | Satellite-based position determination and message transfer system with monitoring of link quality |
AU587037B2 (en) * | 1985-05-20 | 1989-08-03 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
AU602815B2 (en) * | 1985-05-20 | 1990-10-25 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
AU609355B2 (en) * | 1985-05-20 | 1991-04-26 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
Also Published As
Publication number | Publication date |
---|---|
JPH0455014B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-09-02 |
DE3478177D1 (de) | 1989-06-15 |
EP0167531A1 (en) | 1986-01-15 |
HK54690A (en) | 1990-07-27 |
DK413885A (da) | 1985-09-11 |
AU2491084A (en) | 1985-07-30 |
EP0167531A4 (en) | 1987-12-08 |
BR8407263A (pt) | 1985-12-24 |
WO1985003180A1 (en) | 1985-07-18 |
EP0167531B1 (en) | 1989-05-10 |
NO853476L (no) | 1985-11-04 |
JPS61501063A (ja) | 1986-05-22 |
DK413885D0 (da) | 1985-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4438511A (en) | Packetized ensemble modem | |
AU560098B2 (en) | Packetized ensemble modem | |
US7907640B2 (en) | Synchronizing clocks across a communication link | |
US7155171B2 (en) | Vector network analyzer applique for adaptive communications in wireless networks | |
US5937004A (en) | Apparatus and method for verifying performance of digital processing board of an RF receiver | |
EP0631422A2 (en) | A modem with received signals and transmitted signals comprising signal sets | |
US5058134A (en) | Process of synchronizing a receiving modem after a training on data | |
EA005957B1 (ru) | Система и способ многоточечной цифровой передачи данных по электрической сети | |
EP0542894A1 (en) | Novel spread spectrum codec apparatus and method | |
US4398062A (en) | Apparatus for privacy transmission in system having bandwidth constraint | |
US6097776A (en) | Maximum likelihood estimation of symbol offset | |
EP0021544A1 (en) | System for the remote testing of a modem for a speed of transmission different from the speed of reception | |
CA1207389A (en) | Packetized ensemble modem | |
US5025453A (en) | Method of measuring the signature of digital transmission equipment, and apparatus for implementing such a method | |
EP0529144B1 (en) | Far-end echo canceller | |
Gast | T1: A survival guide | |
KR100580088B1 (ko) | 시각 및 주파수 정확도 측정 장치 및 그 방법 | |
Andersson et al. | An LSI implementation of an ISDN echo canceller: design and network aspects | |
CN114051117A (zh) | 基于多载波数字多媒体的h04l数字信息的传输方法 | |
JPH0530126A (ja) | データ送信タイミング自動設定方式 | |
HEMMATI | Optimum Decoding Algorithm," IEEE Transactions on Information Theory, Vol. IT-13, No. 2, April 1967, pp. 260-269.[10] JA Heller and IM Jacobs," Viterhi Decoding for Satellite and Space Communications," IEEE Transactions on Communications, Vol. COM-14, No. 5, Part 2, October 1971, pp. 835-848. | |
WO2025082664A1 (en) | Device and system for return link time and frequency tracking | |
EP0388493A1 (en) | Digital echo canceller for full-duplex modem with frequency offset tracking | |
Peterson et al. | Secure Information Transmission Over Microwave and Telephone Channels | |
Stanley | Conversion of the Defense Communications System from Analog to Digital Form. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |