JPH0569330B2 - - Google Patents

Info

Publication number
JPH0569330B2
JPH0569330B2 JP61061034A JP6103486A JPH0569330B2 JP H0569330 B2 JPH0569330 B2 JP H0569330B2 JP 61061034 A JP61061034 A JP 61061034A JP 6103486 A JP6103486 A JP 6103486A JP H0569330 B2 JPH0569330 B2 JP H0569330B2
Authority
JP
Japan
Prior art keywords
tdl
polarization
signals
tap
signal
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
Application number
JP61061034A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61219230A (ja
Inventor
Josefu Fuosuchini Jerarudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
AT&T Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by American Telephone and Telegraph Co Inc, AT&T Corp filed Critical American Telephone and Telegraph Co Inc
Publication of JPS61219230A publication Critical patent/JPS61219230A/ja
Publication of JPH0569330B2 publication Critical patent/JPH0569330B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/002—Reducing depolarization effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
JP61061034A 1985-03-21 1986-03-20 偏波交叉相殺／等化器 Granted JPS61219230A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US714441 1985-03-21
US06/714,441 US4631734A (en) 1985-03-21 1985-03-21 Cross-polarization canceler/equalizer

Publications (2)

Publication Number Publication Date
JPS61219230A JPS61219230A (ja) 1986-09-29
JPH0569330B2 true JPH0569330B2 (index.php) 1993-09-30

Family

ID=24870057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61061034A Granted JPS61219230A (ja) 1985-03-21 1986-03-20 偏波交叉相殺／等化器

Country Status (3)

Country Link
US (1) US4631734A (index.php)
JP (1) JPS61219230A (index.php)
CA (1) CA1259385A (index.php)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE64802T1 (de) * 1986-05-06 1991-07-15 Siemens Ag Adaptiver depolarisations-interferenzkompensator.
US4723321A (en) * 1986-11-07 1988-02-02 American Telephone And Telegraph Company, At&T Bell Laboratories Techniques for cross-polarization cancellation in a space diversity radio system
DE3786644T2 (de) * 1986-11-19 1994-02-24 Nippon Electric Co Interferenzunempfindlicher Digital-Modulationsempfänger.
JPS6477235A (en) * 1987-09-18 1989-03-23 Fujitsu Ltd Compensating device for interference between cross-polarized waves
IT1226084B (it) * 1988-07-07 1990-12-10 Honeywell Bull Spa Dispositivo di tensionamento cinghia per stampante seriale.
SE469052B (sv) * 1991-09-10 1993-05-03 Ericsson Telefon Ab L M Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanal
DE69228649T2 (de) * 1991-11-18 1999-08-12 Nec Corp., Tokio/Tokyo Automatischer Entzerrer zur wirkungsvollen Kompensation der Nachbarsymbolinterferenz und der Kreuzpolarisationsinterferenz bei einer doppelten Gleichkanalpolarisation
JP2845250B2 (ja) * 1992-01-31 1999-01-13 日本電気株式会社 交差偏波干渉補償装置
US5442663A (en) * 1994-04-22 1995-08-15 Loral Aerospace Corp. Residual carrier adaptive cross-polarization equalizer
AU6437998A (en) * 1997-02-25 1998-09-09 John A. Fee A method and system for simulating pmd using incremental delay switching
US6307882B1 (en) 1998-07-10 2001-10-23 Lucent Technologies Inc. Determining channel characteristics in a space-time architecture wireless communication system having multi-element antennas
US6859508B1 (en) * 2000-09-28 2005-02-22 Nec Electronics America, Inc. Four dimensional equalizer and far-end cross talk canceler in Gigabit Ethernet signals
US6703974B2 (en) 2002-03-20 2004-03-09 The Boeing Company Antenna system having active polarization correlation and associated method
US7046753B2 (en) * 2004-06-29 2006-05-16 Provigent Ltd. Interference canceller with fast phase adaptation
US20060202890A1 (en) * 2005-02-10 2006-09-14 Interdigital Technology Corporation Adaptive antenna/combiner for reception of satellite signals and associated methods
US7613260B2 (en) * 2005-11-21 2009-11-03 Provigent Ltd Modem control using cross-polarization interference estimation
US7796708B2 (en) * 2006-03-29 2010-09-14 Provigent Ltd. Adaptive receiver loops with weighted decision-directed error
US7643512B2 (en) 2006-06-29 2010-01-05 Provigent Ltd. Cascaded links with adaptive coding and modulation
US7839952B2 (en) 2006-12-05 2010-11-23 Provigent Ltd Data rate coordination in protected variable-rate links
US7720136B2 (en) 2006-12-26 2010-05-18 Provigent Ltd Adaptive coding and modulation based on link performance prediction
US8315574B2 (en) 2007-04-13 2012-11-20 Broadcom Corporation Management of variable-rate communication links
US7821938B2 (en) * 2007-04-20 2010-10-26 Provigent Ltd. Adaptive coding and modulation for synchronous connections
US8001445B2 (en) 2007-08-13 2011-08-16 Provigent Ltd. Protected communication link with improved protection indication
US8040985B2 (en) 2007-10-09 2011-10-18 Provigent Ltd Decoding of forward error correction codes in the presence of phase noise
US8005368B2 (en) * 2007-12-05 2011-08-23 Ciena Corporation Signal equalizer in a coherent optical receiver
CN101800678B (zh) * 2010-03-12 2012-05-23 华为技术有限公司 应用ccdp和xpic的微波传输方法、装置和系统
US9596035B2 (en) 2011-10-05 2017-03-14 Ciena Corporation Minimum variance carrier recovery with increased phase noise tolerance
US10038573B2 (en) 2016-05-23 2018-07-31 Comtech Systems Inc. Apparatus and methods for adaptive data rate communication in a forward-scatter radio system
US10334515B2 (en) 2017-01-13 2019-06-25 ENK Wireless, Inc. Conveying information via auxiliary device selection
US10681716B2 (en) 2018-05-07 2020-06-09 ENK Wireless, Inc. Systems/methods of providing increased wireless capacity, vehicular safety, electrical power wirelessly, and device control responsive to geographic position
US11075740B2 (en) 2018-05-07 2021-07-27 ENK Wireless, Inc. Systems/methods of communications using a plurality of cooperative devices
US10804998B2 (en) 2018-05-07 2020-10-13 ENK Wireless, Inc. Systems/methods of providing increased wireless capacity, vehicular safety, electrical power wirelessly, and device control responsive to geographic position
US11100796B2 (en) 2018-05-07 2021-08-24 ENK Wireless, Inc. Systems/methods of improving vehicular safety

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391339A (en) * 1964-11-06 1968-07-02 Bell Telephone Labor Inc Phase-locked quadrature modulation transmission system
US4053837A (en) * 1975-06-11 1977-10-11 Motorola Inc. Quadriphase shift keyed adaptive equalizer
US4112370A (en) * 1976-08-06 1978-09-05 Signatron, Inc. Digital communications receiver for dual input signal
US4074086A (en) * 1976-09-07 1978-02-14 Bell Telephone Laboratories, Incorporated Joint adaptive echo canceller and equalizer for two-wire full-duplex data transmission
JPS5945309B2 (ja) * 1978-02-08 1984-11-05 ケイディディ株式会社 交さ偏波補償方式
US4321705A (en) * 1979-03-02 1982-03-23 Nippon Electronics Co., Ltd. Digital equalizer for a cross-polarization receiver
FR2455408B1 (fr) * 1979-04-27 1987-05-29 Cit Alcatel Procede de reduction des bruits de phase a la reception d'une transmission de donnees
NL7905577A (nl) * 1979-07-18 1981-01-20 Philips Nv Inrichting met een niet-recursieffilter.
US4283795A (en) * 1979-10-03 1981-08-11 Bell Telephone Laboratories, Incorporated Adaptive cross-polarization interference cancellation arrangements
US4479258A (en) * 1981-09-30 1984-10-23 Nippon Electric Co., Ltd. Cross-polarization crosstalk canceller
US4412341A (en) * 1981-11-18 1983-10-25 Bell Telephone Laboratories, Incorporated Interference cancellation method and apparatus
EP0085614B1 (en) * 1982-01-28 1989-08-09 Fujitsu Limited Data transmitting-receiving system
US4577330A (en) * 1984-04-19 1986-03-18 At&T Bell Laboratories Cross-polarization interference cancellation arrangement for digital radio channels

Also Published As

Publication number Publication date
US4631734A (en) 1986-12-23
JPS61219230A (ja) 1986-09-29
CA1259385A (en) 1989-09-12

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees