DE69219048T2 - Empfang eines digitalen TDMA-Datensignals mit Kompensation von Kanaländerungen - Google Patents
Empfang eines digitalen TDMA-Datensignals mit Kompensation von KanaländerungenInfo
- Publication number
- DE69219048T2 DE69219048T2 DE69219048T DE69219048T DE69219048T2 DE 69219048 T2 DE69219048 T2 DE 69219048T2 DE 69219048 T DE69219048 T DE 69219048T DE 69219048 T DE69219048 T DE 69219048T DE 69219048 T2 DE69219048 T2 DE 69219048T2
- Authority
- DE
- Germany
- Prior art keywords
- compensation
- receiving
- data signal
- channel changes
- tdma data
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3253261A JP2748743B2 (ja) | 1991-10-01 | 1991-10-01 | データ受信方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69219048D1 DE69219048D1 (de) | 1997-05-22 |
DE69219048T2 true DE69219048T2 (de) | 1997-07-24 |
Family
ID=17248819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69219048T Expired - Fee Related DE69219048T2 (de) | 1991-10-01 | 1992-09-07 | Empfang eines digitalen TDMA-Datensignals mit Kompensation von Kanaländerungen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5303226A (de) |
EP (1) | EP0535403B1 (de) |
JP (1) | JP2748743B2 (de) |
CA (1) | CA2077104C (de) |
DE (1) | DE69219048T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5583886A (en) * | 1992-12-03 | 1996-12-10 | Motorola, Inc. | Method for determining a plurality of channel responses and modifying a received signal therewith |
FR2700086B1 (fr) * | 1992-12-30 | 1995-04-28 | Alcatel Radiotelephone | Procédé de transmission d'informations à débit élevé par allocation multiple de blocs, procédé de réception associé et dispositif de réception pour sa mise en Óoeuvre. |
US5414734A (en) * | 1993-01-06 | 1995-05-09 | Glenayre Electronics, Inc. | Compensation for multi-path interference using pilot symbols |
FI108975B (fi) * | 1993-03-09 | 2002-04-30 | Nokia Corp | Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä |
DE4311604C1 (de) * | 1993-04-08 | 1994-07-28 | Ant Nachrichtentech | Zuverlässigkeitsgesteuerte Datendetektion in Empfängern für TDMA-Mobilfunksysteme |
US5502713A (en) * | 1993-12-07 | 1996-03-26 | Telefonaktiebolaget Lm Ericsson | Soft error concealment in a TDMA radio system |
US5553074A (en) * | 1994-03-04 | 1996-09-03 | Trustees Of Columbia University In The City Of New York | Transmission format in packet based communications |
US5917853A (en) * | 1994-06-30 | 1999-06-29 | Academy Of Applied Science | Method of and apparatus for training high speed digital telephonic modems to obviate imperfections in the telephone channel, while simultaneously allowing conversation |
FI102797B (fi) * | 1994-10-07 | 1999-02-15 | Nokia Mobile Phones Ltd | Signaalin ilmaisumenetelmä TDMA-matkaviestinjärjestelmän vastaanottime ssa sekä menetelmän toteuttava vastaanotin |
SE503522C2 (sv) * | 1994-10-31 | 1996-07-01 | Ericsson Telefon Ab L M | Förfarande och anordning för kanalestimering |
US5742640A (en) * | 1995-03-07 | 1998-04-21 | Diva Communications, Inc. | Method and apparatus to improve PSTN access to wireless subscribers using a low bit rate system |
FI101256B (fi) * | 1995-10-03 | 1998-05-15 | Nokia Mobile Phones Ltd | Menetelmä vastaanotetun signaalin ajoituksen mittaamiseksi tiedonsiirt ojärjestelmässä ja menetelmän toteuttava matkaviestin |
FI962140A (fi) | 1996-05-21 | 1997-11-22 | Nokia Telecommunications Oy | Menetelmä impulssivasteen estimoimiseksi sekä vastaanotin |
FR2751815B1 (fr) * | 1996-07-24 | 1998-10-02 | Matra Communication | Procede de demodulation numerique d'un segment de signal |
FR2751811B1 (fr) * | 1996-07-24 | 1998-10-09 | Matra Communication | Procede de demodulation numerique |
GB2321832B (en) * | 1997-01-30 | 1999-01-06 | Motorola Israel Ltd | Method to train a radio |
US6243428B1 (en) * | 1997-06-11 | 2001-06-05 | Ericsson Inc. | Method and apparatus for band-adaptive demodulation |
IT1293447B1 (it) * | 1997-07-14 | 1999-03-01 | Cselt Centro Studi Lab Telecom | Procedimento e sistema per la ricezione di segnali digitali |
DE19747369A1 (de) * | 1997-10-27 | 1999-05-06 | Siemens Ag | Übertragungskanalschätzung in Telekommunikationssystemen mit drahtloser Telekommunikation |
DE19747457C2 (de) * | 1997-10-27 | 2000-04-06 | Siemens Ag | Verfahren und Anordnung zur Übertragung von Daten über eine Funkschnittstelle in einem Funk-Kommunikationssystem |
GB9810686D0 (en) * | 1998-05-19 | 1998-07-15 | King S College London | Dual direction estimator |
US6263030B1 (en) | 1998-07-01 | 2001-07-17 | Ericsson Inc. | Equalizer with channel tracker switching |
JP3029031B2 (ja) * | 1998-09-03 | 2000-04-04 | 日本電気株式会社 | 内挿同期検波方法と無線通信システム |
JP3680592B2 (ja) * | 1998-10-30 | 2005-08-10 | 株式会社日立製作所 | 通信装置 |
ATE307469T1 (de) * | 1999-07-13 | 2005-11-15 | Texas Instruments Inc | Drahtloses kommunikationssystem |
US7372825B1 (en) | 1999-07-13 | 2008-05-13 | Texas Instruments Incorporated | Wireless communications system with cycling of unique cell bit sequences in station communications |
EP1100211A1 (de) * | 1999-11-09 | 2001-05-16 | Lucent Technologies Inc. | Filter für ein Telekommunikationssystem |
US6717985B1 (en) | 2000-03-08 | 2004-04-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Technique for efficiently equalizing a transmission channel in a data transmission system |
US6870858B1 (en) * | 2000-05-12 | 2005-03-22 | Nokia Corporation | Training sequence based signalling for enhanced general packet radio service (EGPRS) |
US20020172166A1 (en) * | 2001-03-22 | 2002-11-21 | Huseyin Arslan | Communications system and method for measuring short-term and long-term channel characteristics |
US7862571B2 (en) * | 2003-07-25 | 2011-01-04 | Microline Surgical, Inc. | Occlusion clip and method of applying same |
TWI252647B (en) * | 2004-09-03 | 2006-04-01 | Benq Corp | Method for channel estimation |
JP4689722B2 (ja) * | 2006-07-20 | 2011-05-25 | 富士通株式会社 | Mimo復調器および方法 |
IL203785A (en) | 2007-09-12 | 2014-07-31 | Qualcomm Inc | Devices to increase capacitance and methods for wireless communication |
US8781037B2 (en) * | 2012-06-27 | 2014-07-15 | Intel Mobile Communications GmbH | Method and a processing unit for processing a data signal |
RU2565014C2 (ru) * | 2013-11-19 | 2015-10-10 | Открытое акционерное общество "Камчатский гидрофизический институт" (ОАО "КГФИ") | Способ декодирования сигналов связи |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4852090A (en) * | 1987-02-02 | 1989-07-25 | Motorola, Inc. | TDMA communications system with adaptive equalization |
US5127051A (en) * | 1988-06-13 | 1992-06-30 | Itt Corporation | Adaptive modem for varying communication channel |
US5047859A (en) * | 1990-10-09 | 1991-09-10 | North American Philips Corporation | Method and apparatus for communication channel identification and signal restoration |
-
1991
- 1991-10-01 JP JP3253261A patent/JP2748743B2/ja not_active Expired - Lifetime
-
1992
- 1992-08-28 CA CA002077104A patent/CA2077104C/en not_active Expired - Fee Related
- 1992-09-07 DE DE69219048T patent/DE69219048T2/de not_active Expired - Fee Related
- 1992-09-07 EP EP92115284A patent/EP0535403B1/de not_active Expired - Lifetime
- 1992-10-01 US US07/955,320 patent/US5303226A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69219048D1 (de) | 1997-05-22 |
CA2077104A1 (en) | 1993-04-02 |
EP0535403A1 (de) | 1993-04-07 |
JP2748743B2 (ja) | 1998-05-13 |
EP0535403B1 (de) | 1997-04-16 |
CA2077104C (en) | 1998-08-18 |
JPH0595378A (ja) | 1993-04-16 |
US5303226A (en) | 1994-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |