JPS61219230A - 偏波交叉相殺／等化器 - Google Patents
偏波交叉相殺／等化器Info
- Publication number
- JPS61219230A JPS61219230A JP61061034A JP6103486A JPS61219230A JP S61219230 A JPS61219230 A JP S61219230A JP 61061034 A JP61061034 A JP 61061034A JP 6103486 A JP6103486 A JP 6103486A JP S61219230 A JPS61219230 A JP S61219230A
- Authority
- JP
- Japan
- Prior art keywords
- signals
- tdl
- polarization
- 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.)
- Granted
Links
- 230000010287 polarization Effects 0.000 title claims description 64
- 239000011159 matrix material Substances 0.000 claims description 19
- 238000012360 testing method Methods 0.000 claims description 9
- 239000013598 vector Substances 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 238000005388 cross polarization Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006880 cross-coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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)
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 true JPS61219230A (ja) | 1986-09-29 |
| JPH0569330B2 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)
| 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)
| 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 |
-
1985
- 1985-03-21 US US06/714,441 patent/US4631734A/en not_active Expired - Lifetime
-
1986
- 1986-02-28 CA CA000502952A patent/CA1259385A/en not_active Expired
- 1986-03-20 JP JP61061034A patent/JPS61219230A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4631734A (en) | 1986-12-23 |
| JPH0569330B2 (index.php) | 1993-09-30 |
| CA1259385A (en) | 1989-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |