NO942879D0 - - Google Patents
Info
- Publication number
- NO942879D0 NO942879D0 NO942879A NO942879A NO942879D0 NO 942879 D0 NO942879 D0 NO 942879D0 NO 942879 A NO942879 A NO 942879A NO 942879 A NO942879 A NO 942879A NO 942879 D0 NO942879 D0 NO 942879D0
- Authority
- NO
- Norway
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0028—Correction of carrier offset at passband only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0067—Phase error detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0089—In-band signals
- H04L2027/0093—Intermittant signals
- H04L2027/0095—Intermittant signals in a preamble or similar structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5215288A JP2797916B2 (ja) | 1993-08-05 | 1993-08-05 | 搬送波再生回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO942879D0 true NO942879D0 (OSRAM) | 1994-08-03 |
| NO942879L NO942879L (no) | 1995-02-06 |
Family
ID=16669843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO942879A NO942879L (no) | 1993-08-05 | 1994-08-03 | Krets for gjenvinning av bærebölge ved forskjövet QPSK modulering |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5485489A (OSRAM) |
| EP (1) | EP0637883B1 (OSRAM) |
| JP (1) | JP2797916B2 (OSRAM) |
| DE (1) | DE69434262T2 (OSRAM) |
| NO (1) | NO942879L (OSRAM) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3349830B2 (ja) * | 1994-07-29 | 2002-11-25 | 沖電気工業株式会社 | クロック発生回路 |
| JP2806296B2 (ja) * | 1995-03-11 | 1998-09-30 | 日本電気株式会社 | 搬送波再生回路 |
| KR960038686A (ko) * | 1995-04-13 | 1996-11-21 | 김광호 | 단일 주파수에 의한 신호 송수신회로 |
| JPH0918532A (ja) * | 1995-06-30 | 1997-01-17 | Nec Corp | バーストモード通信システムにおける無線通信装置及び受信方法 |
| JP3552183B2 (ja) * | 1996-08-01 | 2004-08-11 | 松下電器産業株式会社 | 搬送波再生方法および装置 |
| US5960044A (en) * | 1996-11-14 | 1999-09-28 | Scientific-Atlanta, Inc. | Apparatus and method for block phase estimation |
| JP3080601B2 (ja) * | 1997-06-06 | 2000-08-28 | 株式会社ケンウッド | 搬送波再生回路 |
| JPH11177644A (ja) | 1997-12-15 | 1999-07-02 | Nec Corp | ビットタイミング再生回路 |
| US7197090B1 (en) | 1999-01-29 | 2007-03-27 | Northrop Grumman Corporation | Adaptive decision regions and metrics |
| GR1003430B (el) * | 1999-03-17 | 2000-09-07 | �.�. �������� ���������� ��������������� & ����������... | Δομη δεκτη για διαφορικη μεταθετικη διαμορφωση μετατοπισης φασης σε ορθογωνισμο |
| US6707863B1 (en) | 1999-05-04 | 2004-03-16 | Northrop Grumman Corporation | Baseband signal carrier recovery of a suppressed carrier modulation signal |
| KR100542039B1 (ko) * | 2002-07-02 | 2006-01-10 | 삼성탈레스 주식회사 | 이동통신장치의 프레임동기신호 발생장치 |
| US7138882B2 (en) * | 2002-11-08 | 2006-11-21 | Northrop Grumman Corp | Architecture for universal modulator |
| DE602004020490D1 (de) | 2003-08-14 | 2009-05-20 | Lg Electronics Inc | Aufzeichnungsmedium, verfahren zur konfiguration von steuerinformationen dafür, aufzeichnungs-/wiedergabeverfahren damit und vorrichtung dafür |
| US9621274B2 (en) | 2010-04-08 | 2017-04-11 | Infinera Corporation | Optical communication system |
| US8750444B2 (en) | 2011-05-06 | 2014-06-10 | Northrop Grumman Systems Corporation | Snapshot processing of timing data |
| CN107132541B (zh) * | 2017-06-14 | 2019-10-18 | 哈尔滨工程大学 | 多基地声纳低截获多址分辨信号生成方法 |
| GB2575120B (en) * | 2018-06-29 | 2020-09-30 | Imagination Tech Ltd | O-QPSK symbol timing estimation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2724145B2 (ja) * | 1987-03-24 | 1998-03-09 | 株式会社日立製作所 | 搬送波再生装置 |
| JPH0824260B2 (ja) * | 1987-05-26 | 1996-03-06 | 日本電気株式会社 | 位相比較器 |
| CA1279906C (en) * | 1987-12-24 | 1991-02-05 | Hizuru Nawata | Carrier recovery circuit for offset qpsk demodulators |
| US5150384A (en) * | 1990-09-28 | 1992-09-22 | Motorola, Inc. | Carrier recovery method and apparatus having an adjustable response time determined by carrier signal parameters |
| JPH04297168A (ja) * | 1991-03-26 | 1992-10-21 | Japan Radio Co Ltd | キャリア再生装置 |
| JP2808500B2 (ja) * | 1991-08-23 | 1998-10-08 | 三菱重工業株式会社 | ガスタービンの中空ファン動翼 |
-
1993
- 1993-08-05 JP JP5215288A patent/JP2797916B2/ja not_active Expired - Lifetime
-
1994
- 1994-08-03 NO NO942879A patent/NO942879L/no not_active Application Discontinuation
- 1994-08-04 DE DE69434262T patent/DE69434262T2/de not_active Expired - Lifetime
- 1994-08-04 EP EP94112213A patent/EP0637883B1/en not_active Expired - Lifetime
- 1994-08-05 US US08/286,464 patent/US5485489A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NO942879L (no) | 1995-02-06 |
| JP2797916B2 (ja) | 1998-09-17 |
| JPH0750700A (ja) | 1995-02-21 |
| EP0637883A2 (en) | 1995-02-08 |
| EP0637883B1 (en) | 2005-02-09 |
| DE69434262D1 (de) | 2005-03-17 |
| US5485489A (en) | 1996-01-16 |
| EP0637883A3 (en) | 1995-07-05 |
| DE69434262T2 (de) | 2006-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FC2A | Withdrawal, rejection or dismissal of laid open patent application |