WO2001030011A1 - An adaptive digital beamforming receiver to improve signal reception - Google Patents
An adaptive digital beamforming receiver to improve signal reception Download PDFInfo
- Publication number
- WO2001030011A1 WO2001030011A1 PCT/EP2000/009766 EP0009766W WO0130011A1 WO 2001030011 A1 WO2001030011 A1 WO 2001030011A1 EP 0009766 W EP0009766 W EP 0009766W WO 0130011 A1 WO0130011 A1 WO 0130011A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- equalizer circuit
- feedforward equalizer
- antenna
- feedforward
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03382—Single of vestigal sideband
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03484—Tapped delay lines time-recursive
- H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03611—Iterative algorithms
- H04L2025/03617—Time recursive algorithms
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03611—Iterative algorithms
- H04L2025/03617—Time recursive algorithms
- H04L2025/0363—Feature restoration, e.g. constant modulus
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Picture Signal Circuits (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001531245A JP2003512764A (en) | 1999-10-21 | 2000-10-05 | Adaptive digital beamforming receiver for improving signal reception quality |
KR1020017007881A KR20010093207A (en) | 1999-10-21 | 2000-10-05 | An adaptive digital beamforming receiver to improve signal reception |
EP00972686A EP1145475A1 (en) | 1999-10-21 | 2000-10-05 | An adaptive digital beamforming receiver to improve signal reception |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42273399A | 1999-10-21 | 1999-10-21 | |
US09/422,733 | 1999-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001030011A1 true WO2001030011A1 (en) | 2001-04-26 |
Family
ID=23676129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/009766 WO2001030011A1 (en) | 1999-10-21 | 2000-10-05 | An adaptive digital beamforming receiver to improve signal reception |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1145475A1 (en) |
JP (1) | JP2003512764A (en) |
KR (1) | KR20010093207A (en) |
WO (1) | WO2001030011A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1883169A1 (en) * | 2005-06-21 | 2008-01-30 | Matsushita Electric Industrial Co., Ltd. | Diversity combining method and diversity receiver apparatus |
US10021353B2 (en) | 2013-01-13 | 2018-07-10 | Opgal Optronic Industries Ltd. | Optimizing detection of known light sources |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030097192A (en) * | 2002-06-20 | 2003-12-31 | 대한민국(전남대학교총장) | Restarting fast Kalman decision-feedback equalizer combined with LMS decision-feedback equalizer |
KR100474911B1 (en) * | 2002-07-11 | 2005-03-10 | 엘지전자 주식회사 | receive system |
KR100500661B1 (en) | 2003-06-14 | 2005-07-12 | 한국전자통신연구원 | Apparatus and method for selecting optimal beam for digital tv receiver |
JP6690708B2 (en) * | 2016-06-24 | 2020-04-28 | 株式会社ソシオネクスト | Equalization circuit, reception circuit and integrated circuit device |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5441052A (en) * | 1977-09-08 | 1979-03-31 | Matsushita Electric Ind Co Ltd | Ghost automatic erasing device |
US4890298A (en) * | 1986-12-11 | 1989-12-26 | Plessey Overseas Limited | Troposcatter modem receiver |
JPH03135118A (en) * | 1989-10-19 | 1991-06-10 | Sanyo Electric Co Ltd | Diversity receiver |
US5119401A (en) * | 1989-11-17 | 1992-06-02 | Nec Corporation | Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response |
EP0524006A2 (en) * | 1991-07-19 | 1993-01-20 | Matsushita Electric Industrial Co., Ltd. | Television signal receiving apparatus |
JPH06233158A (en) * | 1993-02-03 | 1994-08-19 | Clarion Co Ltd | Selector for received signal from antenna with less ghost of tv diversity |
US5532748A (en) * | 1995-03-31 | 1996-07-02 | Matsushita Electric Corporation Of America | Hybrid analog/digital television transmission system |
EP0741469A2 (en) * | 1995-04-24 | 1996-11-06 | AT&T IPM Corp. | Apparatus and methods for decoding a communication signal |
JPH08331468A (en) * | 1995-03-28 | 1996-12-13 | Pioneer Electron Corp | Television signal receiver |
JPH1075237A (en) * | 1996-08-29 | 1998-03-17 | Fujitsu Ltd | Reception circuit for radio communication system |
US5777692A (en) * | 1994-12-29 | 1998-07-07 | Philips Electronics North America Corporation | Receiver based methods and devices for combating co-channel NTSC interference in digital transmission |
US5870430A (en) * | 1996-12-26 | 1999-02-09 | Thomson-Csf | Process for multi-sensor equalisation in a radio receiver in the presence of interference and multiple propagation paths |
-
2000
- 2000-10-05 JP JP2001531245A patent/JP2003512764A/en active Pending
- 2000-10-05 EP EP00972686A patent/EP1145475A1/en not_active Withdrawn
- 2000-10-05 WO PCT/EP2000/009766 patent/WO2001030011A1/en not_active Application Discontinuation
- 2000-10-05 KR KR1020017007881A patent/KR20010093207A/en not_active Application Discontinuation
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5441052A (en) * | 1977-09-08 | 1979-03-31 | Matsushita Electric Ind Co Ltd | Ghost automatic erasing device |
US4890298A (en) * | 1986-12-11 | 1989-12-26 | Plessey Overseas Limited | Troposcatter modem receiver |
JPH03135118A (en) * | 1989-10-19 | 1991-06-10 | Sanyo Electric Co Ltd | Diversity receiver |
US5119401A (en) * | 1989-11-17 | 1992-06-02 | Nec Corporation | Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response |
EP0524006A2 (en) * | 1991-07-19 | 1993-01-20 | Matsushita Electric Industrial Co., Ltd. | Television signal receiving apparatus |
JPH06233158A (en) * | 1993-02-03 | 1994-08-19 | Clarion Co Ltd | Selector for received signal from antenna with less ghost of tv diversity |
US5777692A (en) * | 1994-12-29 | 1998-07-07 | Philips Electronics North America Corporation | Receiver based methods and devices for combating co-channel NTSC interference in digital transmission |
JPH08331468A (en) * | 1995-03-28 | 1996-12-13 | Pioneer Electron Corp | Television signal receiver |
US5532748A (en) * | 1995-03-31 | 1996-07-02 | Matsushita Electric Corporation Of America | Hybrid analog/digital television transmission system |
EP0741469A2 (en) * | 1995-04-24 | 1996-11-06 | AT&T IPM Corp. | Apparatus and methods for decoding a communication signal |
JPH1075237A (en) * | 1996-08-29 | 1998-03-17 | Fujitsu Ltd | Reception circuit for radio communication system |
US5870430A (en) * | 1996-12-26 | 1999-02-09 | Thomson-Csf | Process for multi-sensor equalisation in a radio receiver in the presence of interference and multiple propagation paths |
Non-Patent Citations (5)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 003, no. 061 (E - 113) 26 May 1979 (1979-05-26) * |
PATENT ABSTRACTS OF JAPAN vol. 015, no. 348 (E - 1107) 4 September 1991 (1991-09-04) * |
PATENT ABSTRACTS OF JAPAN vol. 018, no. 608 (E - 1633) 18 November 1994 (1994-11-18) * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 04 30 April 1997 (1997-04-30) * |
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 08 30 June 1998 (1998-06-30) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1883169A1 (en) * | 2005-06-21 | 2008-01-30 | Matsushita Electric Industrial Co., Ltd. | Diversity combining method and diversity receiver apparatus |
EP1883169A4 (en) * | 2005-06-21 | 2013-03-06 | Panasonic Corp | Diversity combining method and diversity receiver apparatus |
US10021353B2 (en) | 2013-01-13 | 2018-07-10 | Opgal Optronic Industries Ltd. | Optimizing detection of known light sources |
Also Published As
Publication number | Publication date |
---|---|
KR20010093207A (en) | 2001-10-27 |
JP2003512764A (en) | 2003-04-02 |
EP1145475A1 (en) | 2001-10-17 |
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