DE3377855D1 - Link quality analyser and method of link quality measurement - Google Patents
Link quality analyser and method of link quality measurementInfo
- Publication number
- DE3377855D1 DE3377855D1 DE8383306956T DE3377855T DE3377855D1 DE 3377855 D1 DE3377855 D1 DE 3377855D1 DE 8383306956 T DE8383306956 T DE 8383306956T DE 3377855 T DE3377855 T DE 3377855T DE 3377855 D1 DE3377855 D1 DE 3377855D1
- Authority
- DE
- Germany
- Prior art keywords
- link quality
- analyser
- measurement
- quality measurement
- link
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/453,656 US4633411A (en) | 1982-12-27 | 1982-12-27 | Link quality analyzer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3377855D1 true DE3377855D1 (en) | 1988-09-29 |
Family
ID=23801511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383306956T Expired DE3377855D1 (en) | 1982-12-27 | 1983-11-14 | Link quality analyser and method of link quality measurement |
Country Status (5)
Country | Link |
---|---|
US (1) | US4633411A (de) |
EP (1) | EP0114463B1 (de) |
CA (1) | CA1197622A (de) |
DE (1) | DE3377855D1 (de) |
IL (1) | IL70206A (de) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1236580A (en) * | 1984-05-15 | 1988-05-10 | Andrew L. Martin | Characterisation of digital radio signals |
WO1985005518A1 (en) * | 1984-05-15 | 1985-12-05 | Australian Telecommunications Commission | Characterisation of digital radio signals |
US4964055A (en) * | 1987-11-25 | 1990-10-16 | Cooper Industries, Inc. | Hand-held power system harmonic distortion meter with selective activation of display |
JPH07107792B2 (ja) * | 1988-01-19 | 1995-11-15 | 株式会社東芝 | マルチポートメモリ |
JP2591128B2 (ja) * | 1988-12-20 | 1997-03-19 | 日本電気株式会社 | 通信回線切替方式 |
US5095444A (en) * | 1989-12-21 | 1992-03-10 | Legent Corporation | System and method for measuring inter-nodal transmission delays in a communications network |
GB9022347D0 (en) * | 1990-10-15 | 1990-11-28 | Smith Myer Communications Limi | System monitoring |
US5166954A (en) * | 1991-03-05 | 1992-11-24 | At&T Bell Laboratories | Adaptive system for measuring the broadband signal-to-noise ratio of a transmission channel |
CA2102200A1 (en) * | 1991-05-02 | 1992-11-03 | George Frederick Earl | Hf background noise measurement in hf environments |
US5221967A (en) * | 1991-05-08 | 1993-06-22 | The University Of British Columbia | Signal quality monitoring system |
DE4130865C2 (de) * | 1991-09-17 | 1999-07-08 | Daimler Benz Aerospace Ag | Digitales Nachrichtenübertragungssystem |
US5377307A (en) * | 1992-10-07 | 1994-12-27 | Schlumberger Technology Corporation | System and method of global optimization using artificial neural networks |
GB2273622A (en) * | 1992-12-15 | 1994-06-22 | British Tech Group | Spread spectrum pilot tone for distortion or instability correction |
CH686752A8 (de) * | 1993-09-22 | 1996-08-15 | Ascom Tech Ag Berner Technopark | Verfahren zum Beurteilen der Übertragungsqualität einer Sprach-Übertragungsstrecke |
GB2298338B (en) * | 1995-02-15 | 1999-09-29 | Motorola Ltd | A method for reverse channel sounding in a communications system |
FR2731571A1 (fr) * | 1995-03-08 | 1996-09-13 | Philips Electronique Lab | Systeme de communication muni de moyens pour tester un canal de transmission et procede de test |
FR2731574A1 (fr) * | 1995-03-08 | 1996-09-13 | Trt Telecom Radio Electr | Systeme de transmission a multidebit |
US5867813A (en) * | 1995-05-01 | 1999-02-02 | Ascom Infrasys Ag. | Method and apparatus for automatically and reproducibly rating the transmission quality of a speech transmission system |
US6347217B1 (en) * | 1997-05-22 | 2002-02-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Link quality reporting using frame erasure rates |
US5970052A (en) * | 1997-09-19 | 1999-10-19 | International Business Machines Corporation | Method for dynamic bandwidth testing |
JP3419342B2 (ja) * | 1998-06-05 | 2003-06-23 | 株式会社村田製作所 | 測定器 |
US6308043B1 (en) * | 1998-07-23 | 2001-10-23 | Radiometrics Corporation | Wireless communication link quality forecasting |
US6680969B1 (en) | 1999-03-22 | 2004-01-20 | Ericsson, Inc. | Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers |
US6563861B1 (en) * | 1999-03-22 | 2003-05-13 | Ericsson, Inc. | Doppler spread estimation system |
US6744813B1 (en) * | 1999-04-16 | 2004-06-01 | Paradyne Corporation | System and method for estimating noise characteristics in the presence of non-stationary noise |
JP2003505754A (ja) * | 1999-06-10 | 2003-02-12 | 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 | 測定信号中の有効信号の識別方法 |
EP1089481B1 (de) * | 1999-09-17 | 2012-02-22 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Verfahren und Vorrichtung zur Schätzung des Restlärmes in einem Signal und Mobiltelephon, welches dieses Verfahren verwendet |
US6859761B2 (en) | 2001-01-16 | 2005-02-22 | Bluesoft Ltd. | Accurate distance measurement using RF techniques |
US6731908B2 (en) | 2001-01-16 | 2004-05-04 | Bluesoft, Inc. | Distance measurement using half-duplex RF techniques |
US6898415B2 (en) | 2001-01-16 | 2005-05-24 | Aeroscout, Inc. | System and method for reducing multipath distortion in wireless distance measurement systems |
JP2003244761A (ja) * | 2002-02-14 | 2003-08-29 | Fujitsu Ltd | 通信装置、通信システム及び通信周波数設定方法 |
US7986672B2 (en) * | 2002-02-25 | 2011-07-26 | Qualcomm Incorporated | Method and apparatus for channel quality feedback in a wireless communication |
GB0206766D0 (en) * | 2002-03-22 | 2002-05-01 | Koninkl Philips Electronics Nv | Method of, and apparatus for, determining position |
CN100383537C (zh) * | 2004-05-20 | 2008-04-23 | 上海交通大学 | 基于自适应神经元在线整定的谐波检测方法 |
US7499452B2 (en) * | 2004-12-28 | 2009-03-03 | International Business Machines Corporation | Self-healing link sequence counts within a circular buffer |
US7596099B2 (en) * | 2005-08-22 | 2009-09-29 | Motorola, Inc. | Method and apparatus for managing a communication link |
US7801620B2 (en) * | 2005-08-29 | 2010-09-21 | Cardiac Pacemakers, Inc. | RF telemetry link quality assessment system and method |
US8185204B2 (en) | 2006-07-12 | 2012-05-22 | Cardiac Pacemakers, Inc. | Implantable medical device telemetry with adaptive frequency hopping |
US7623922B2 (en) * | 2006-07-12 | 2009-11-24 | Cardiac Pacemakers, Inc. | Implantable medical device telemetry with periodic frequency hopping |
US8046079B2 (en) | 2007-03-13 | 2011-10-25 | Cardiac Pacemakers, Inc. | Implantable medical device telemetry with hop-on-error frequency hopping |
US8064536B2 (en) * | 2007-12-26 | 2011-11-22 | Intel Corporation | Link calibration |
JP5689544B2 (ja) * | 2011-03-01 | 2015-03-25 | エイ・エス−インターナショナル・アソシエーション・アインゲトラーゲナー・フェラインAs−International Association E.V. | デジタルデータを送信するためのエラー訂正およびエラー検出の新規な組合せ |
US8817917B2 (en) * | 2011-06-21 | 2014-08-26 | Ibiquity Digital Corporation | Method and apparatus for implementing signal quality metrics and antenna diversity switching control |
RU2483322C1 (ru) * | 2012-02-03 | 2013-05-27 | Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "ВОЕННАЯ АКАДЕМИЯ СВЯЗИ имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации | Способ поляризационной адаптации коротковолновых радиолиний, работающих ионосферными волнами (варианты) |
US9503368B2 (en) | 2012-02-27 | 2016-11-22 | Metaswitch Networks Ltd. | Routing a call |
US10230584B1 (en) * | 2016-07-01 | 2019-03-12 | Inphi Corporation | Dynamic multitone simulation scenario planning |
RU2685245C1 (ru) * | 2018-03-19 | 2019-04-17 | Акционерное общество "Научно-производственное предприятие "Полет" | Устройство для анализа и выбора оптимальных авиационных декаметровых радиоканалов с использованием лчм сигналов |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3626168A (en) * | 1969-07-07 | 1971-12-07 | Boeing Co | Measuring correlation, amplitude probability and probability density distributions, and signal response averaging |
US3842247A (en) * | 1972-10-18 | 1974-10-15 | Bell Telephone Labor Inc | Apparatus and method for measuring envelope delay utilizing {90 -point technique |
US3876946A (en) * | 1973-10-31 | 1975-04-08 | Singer Co | Radio frequency digital fourier analyzer |
US4001559A (en) * | 1974-12-16 | 1977-01-04 | Northern Telecom, Inc. | Programmable measuring |
US4199809A (en) * | 1976-04-05 | 1980-04-22 | The United States Of America As Represented By The Secretary Of The Navy | Programmable data terminal set |
US4074201A (en) * | 1976-07-26 | 1978-02-14 | Gte Sylvania Incorporated | Signal analyzer with noise estimation and signal to noise readout |
US4197500A (en) * | 1976-11-01 | 1980-04-08 | The United States Of America As Represented By The Secretary Of The Army | Automatic channel selection |
US4124818A (en) * | 1977-10-04 | 1978-11-07 | Bell Telephone Laboratories, Incorporated | Arrangement for monitoring signal-to-interference ratio in a radio transmission system |
DE2852802A1 (de) * | 1978-12-06 | 1980-06-12 | Siemens Ag | Verfahren und schaltungsanordnung zur messung der uebertragungseigenschaften eines messobjekts |
US4381546A (en) * | 1979-03-02 | 1983-04-26 | Paradyne Corporation | System for the quantitative measurement of impairments in the communication channel of a quadrature amplitude modulation data communication system |
US4301536A (en) * | 1979-12-28 | 1981-11-17 | Bell Telephone Laboratories, Incorporated | Multitone frequency response and envelope delay distortion tests |
US4309773A (en) * | 1980-04-18 | 1982-01-05 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for radio channel selection |
US4328581A (en) * | 1980-06-20 | 1982-05-04 | Rockwell International Corporation | Adaptive HF communication system |
GB2096331B (en) * | 1981-04-02 | 1985-01-03 | Solartron Electronic Group The | Signal processors |
US4417337A (en) * | 1981-06-29 | 1983-11-22 | Bell Telephone Laboratories, Incorporated, | Adaptive multitone transmission parameter test arrangement |
-
1982
- 1982-12-27 US US06/453,656 patent/US4633411A/en not_active Expired - Lifetime
-
1983
- 1983-10-27 CA CA000439887A patent/CA1197622A/en not_active Expired
- 1983-11-11 IL IL70206A patent/IL70206A/xx not_active IP Right Cessation
- 1983-11-14 DE DE8383306956T patent/DE3377855D1/de not_active Expired
- 1983-11-14 EP EP83306956A patent/EP0114463B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IL70206A (en) | 1987-01-30 |
IL70206A0 (en) | 1984-02-29 |
US4633411A (en) | 1986-12-30 |
EP0114463A3 (en) | 1985-07-24 |
CA1197622A (en) | 1985-12-03 |
EP0114463B1 (de) | 1988-08-24 |
EP0114463A2 (de) | 1984-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |