SE9102612D0 - Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanal - Google Patents
Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanalInfo
- Publication number
- SE9102612D0 SE9102612D0 SE9102612A SE9102612A SE9102612D0 SE 9102612 D0 SE9102612 D0 SE 9102612D0 SE 9102612 A SE9102612 A SE 9102612A SE 9102612 A SE9102612 A SE 9102612A SE 9102612 D0 SE9102612 D0 SE 9102612D0
- Authority
- SE
- Sweden
- Prior art keywords
- channel
- estimate
- channel estimate
- derivative
- aid
- Prior art date
Links
- 238000005562 fading Methods 0.000 abstract 3
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9102612A SE469052B (sv) | 1991-09-10 | 1991-09-10 | Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanal |
CA002076061A CA2076061A1 (en) | 1991-09-10 | 1992-08-13 | Method of forming a channel estimate for a time-varying radio channel |
JP4240278A JPH05218987A (ja) | 1991-09-10 | 1992-09-09 | 時間変動無線チャネル用のチャネル予測形成方法 |
US07/942,270 US5465276A (en) | 1991-09-10 | 1992-09-09 | Method of forming a channel estimate for a time-varying radio channel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9102612A SE469052B (sv) | 1991-09-10 | 1991-09-10 | Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanal |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9102612D0 true SE9102612D0 (sv) | 1991-09-10 |
SE9102612L SE9102612L (sv) | 1993-03-11 |
SE469052B SE469052B (sv) | 1993-05-03 |
Family
ID=20383679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9102612A SE469052B (sv) | 1991-09-10 | 1991-09-10 | Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanal |
Country Status (4)
Country | Link |
---|---|
US (1) | US5465276A (sv) |
JP (1) | JPH05218987A (sv) |
CA (1) | CA2076061A1 (sv) |
SE (1) | SE469052B (sv) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4311604C1 (de) * | 1993-04-08 | 1994-07-28 | Ant Nachrichtentech | Zuverlässigkeitsgesteuerte Datendetektion in Empfängern für TDMA-Mobilfunksysteme |
US5719899A (en) * | 1994-02-25 | 1998-02-17 | U.S. Philips Corporation | Multiple access digital transmission system and a radio base station and a receiver for use in such a system |
FI105514B (sv) * | 1994-09-12 | 2000-08-31 | Nokia Mobile Phones Ltd | Mottagningsförfarande och mottagare |
FR2724513A1 (fr) * | 1994-09-13 | 1996-03-15 | Philips Electronique Lab | Systeme de transmission numerique synchronisable sur ses sequences d'initialisation |
SE503522C2 (sv) * | 1994-10-31 | 1996-07-01 | Ericsson Telefon Ab L M | Förfarande och anordning för kanalestimering |
US5592514A (en) * | 1995-03-08 | 1997-01-07 | Lucent Technologies Inc. | Method of performing signal reconstruction at the receiving end of a communications system, such as for GSM |
FR2742619B1 (fr) * | 1995-12-15 | 1998-02-06 | Thomson Csf | Procede d'egalisation multicapteur permettant une reception multicapteur en presence d'interferences et de multitrajets de propagation, et recepteur pour sa mise en oeuvre |
US5790598A (en) * | 1996-03-01 | 1998-08-04 | Her Majesty The Queen In Right Of Canada | Block decision feedback equalizer |
US5881073A (en) * | 1996-09-20 | 1999-03-09 | Ericsson Inc. | Convolutional decoding with the ending state decided by CRC bits placed inside multiple coding bursts |
US6026130A (en) * | 1997-03-04 | 2000-02-15 | Advanced Micro Devices, Inc. | System and method for estimating a set of parameters for a transmission channel in a communication system |
JPH1141115A (ja) * | 1997-07-23 | 1999-02-12 | Mitsubishi Electric Corp | ディジタルデータ復調装置 |
IT1295863B1 (it) * | 1997-10-22 | 1999-05-28 | Telital Spa | Metodo e apparato di trasmissione e ricezione di segnali digitali e stima dei canali di comunicazione |
US6226336B1 (en) | 1998-02-20 | 2001-05-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for detecting a frequency synchronization signal |
FR2782212B1 (fr) * | 1998-08-04 | 2004-07-23 | Nortel Matra Cellular | Sondage dynamique d'un canal de transmission |
US6658050B1 (en) * | 1998-09-11 | 2003-12-02 | Ericsson Inc. | Channel estimates in a CDMA system using power control bits |
US6535554B1 (en) | 1998-11-17 | 2003-03-18 | Harris Corporation | PCS signal separation in a one dimensional channel |
US6542560B1 (en) | 1999-04-23 | 2003-04-01 | Lucent Technologies Inc. | Method of channel estimation and compensation based thereon |
DE19935480A1 (de) | 1999-07-28 | 2001-02-22 | Infineon Technologies Ag | Verfahren zur Schätzung der Kanalimpulsantworten eines Mobilfunkkanals |
US6775521B1 (en) * | 1999-08-09 | 2004-08-10 | Broadcom Corporation | Bad frame indicator for radio telephone receivers |
US6430528B1 (en) * | 1999-08-20 | 2002-08-06 | Siemens Corporate Research, Inc. | Method and apparatus for demixing of degenerate mixtures |
US7206349B2 (en) * | 2000-02-22 | 2007-04-17 | Koninklijke Philips Electronics N.V. | Multicarrier receiver with channel estimator |
EP1168739B1 (fr) * | 2000-06-23 | 2005-10-19 | STMicroelectronics N.V. | Procédé et dispositif d'estimation de la réponse impulsionelle d'un canal de transmission d'informations, en particulier pour un téléphone mobile cellulaire |
US6970520B1 (en) | 2000-11-13 | 2005-11-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and systems for accumulating metrics generated by a sequence estimation algorithm |
US6947475B2 (en) * | 2001-01-26 | 2005-09-20 | Qualcomm Inc. | Method and apparatus for estimating channel characteristics using pilot and non-pilot data |
CN1228951C (zh) * | 2001-02-22 | 2005-11-23 | 皇家菲利浦电子有限公司 | 具有简化信道响应估计的多载波传输系统 |
US6940914B1 (en) | 2001-06-11 | 2005-09-06 | Cingular Wireless Ii, Llc | Turbo channel estimation for OFDM systems |
KR100393192B1 (ko) * | 2001-07-11 | 2003-07-31 | 삼성전자주식회사 | 시변 채널에 적합한 신호 수신 장치 및 방법 |
US20040005010A1 (en) * | 2002-07-05 | 2004-01-08 | National University Of Singapore | Channel estimator and equalizer for OFDM systems |
US6999539B2 (en) * | 2003-05-06 | 2006-02-14 | Nokia Corporation | Linear derivative equalizer, and associated method, for a radio communication system |
KR100620914B1 (ko) * | 2004-04-07 | 2006-09-13 | 삼성전자주식회사 | 광대역 무선통신시스템에서 에이엠씨 모드와 다이버시티 모드를 스위칭하기 위한 장치 및 방법 |
JP2009520429A (ja) * | 2005-12-20 | 2009-05-21 | 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 | Ofdmシステムで信号を受信する方法及び装置 |
US8750089B2 (en) * | 2010-01-05 | 2014-06-10 | Broadcom Corporation | Method and system for iterative discrete fourier transform (DFT) based channel estimation using minimum mean square error (MMSE) techniques |
TWI583229B (zh) * | 2015-03-26 | 2017-05-11 | 晨星半導體股份有限公司 | 動態通道辨別裝置與方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4516241A (en) * | 1983-07-11 | 1985-05-07 | At&T Bell Laboratories | Bit compression coding with embedded signaling |
CA1238368A (en) * | 1983-10-14 | 1988-06-21 | Takayuki Ozaki | Digital radio receiving apparatus |
US4564952A (en) * | 1983-12-08 | 1986-01-14 | At&T Bell Laboratories | Compensation of filter symbol interference by adaptive estimation of received symbol sequences |
US4631734A (en) * | 1985-03-21 | 1986-12-23 | At&T Bell Laboratories | Cross-polarization canceler/equalizer |
SE464902B (sv) * | 1989-10-24 | 1991-06-24 | Ericsson Telefon Ab L M | Foerfarande att adaptera en viterbialgoritm till en kanal med skiftande oeverfoeringsegenskaper samt en anordning foer genomfoerande av foerfarandet |
SE465245B (sv) * | 1989-12-22 | 1991-08-12 | Ericsson Telefon Ab L M | Foerfarande att utfoera kanalestimering foer en faedande kanal vid oeverfoering av symbolsekvenser |
US5297169A (en) * | 1991-06-28 | 1994-03-22 | Telefonaktiebolaget L M Ericsson | Equalizer training in a radiotelephone system |
-
1991
- 1991-09-10 SE SE9102612A patent/SE469052B/sv unknown
-
1992
- 1992-08-13 CA CA002076061A patent/CA2076061A1/en not_active Abandoned
- 1992-09-09 JP JP4240278A patent/JPH05218987A/ja active Pending
- 1992-09-09 US US07/942,270 patent/US5465276A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05218987A (ja) | 1993-08-27 |
US5465276A (en) | 1995-11-07 |
SE469052B (sv) | 1993-05-03 |
CA2076061A1 (en) | 1993-03-11 |
SE9102612L (sv) | 1993-03-11 |
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