NL179327B - Telecommunicatiestelsel met diversity-ontvangst. - Google Patents
Telecommunicatiestelsel met diversity-ontvangst.Info
- Publication number
- NL179327B NL179327B NLAANVRAGE7507400,A NL7507400A NL179327B NL 179327 B NL179327 B NL 179327B NL 7507400 A NL7507400 A NL 7507400A NL 179327 B NL179327 B NL 179327B
- Authority
- NL
- Netherlands
- Prior art keywords
- telecommunications system
- diversity reception
- diversity
- reception
- telecommunications
- Prior art date
Links
Classifications
-
- 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
- H04B7/10—Polarisation diversity; Directional diversity
-
- 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
-
- 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
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
- H04L27/2071—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the carrier phase, e.g. systems with differential coding
-
- 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
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Radio Relay Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48375674A | 1974-06-27 | 1974-06-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7507400A NL7507400A (nl) | 1975-12-30 |
NL179327B true NL179327B (nl) | 1986-03-17 |
NL179327C NL179327C (nl) | 1986-08-18 |
Family
ID=23921403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7507400,A NL179327C (nl) | 1974-06-27 | 1975-06-20 | Telecommunicatiestelsel met diversity-ontvangst. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4083009A (nl) |
JP (1) | JPS5945268B2 (nl) |
BE (1) | BE830588A (nl) |
CA (1) | CA1065020A (nl) |
DE (1) | DE2528835C2 (nl) |
FR (3) | FR2279277A1 (nl) |
GB (1) | GB1478086A (nl) |
IT (1) | IT1035858B (nl) |
NL (1) | NL179327C (nl) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2367387A1 (fr) * | 1976-10-07 | 1978-05-05 | Brossard Pierre | Circuits de recuperation des frequences porteuses et rythmes dans des systemes de transmission numerique |
GB1578469A (en) * | 1977-11-05 | 1980-11-05 | Marconi Co Ltd | Tropospheric scatter radio communications systems |
FR2462066B1 (fr) * | 1979-07-17 | 1988-01-15 | Telecommunications Sa | Dispositif de commutation de deux trains numeriques |
FR2462065A1 (fr) * | 1979-07-24 | 1981-02-06 | Thomson Csf | Dispositif de commutation automatique d'equipements de transmission de signaux numeriques et faisceaux hertziens comportant un tel dispositif |
US4477895A (en) * | 1980-05-02 | 1984-10-16 | Harris Corporation | Synchronized protection switching arrangement |
US4313205A (en) * | 1980-07-07 | 1982-01-26 | Communications Satellite Corporation | Carrier synchronization and symbol synchronization for offset-QPSK burst communications |
JPS58135457A (ja) * | 1982-02-05 | 1983-08-12 | Sumitomo Chem Co Ltd | 不揮発分測定装置 |
US4506385A (en) * | 1982-12-27 | 1985-03-19 | Rockwell International Corporation | Radio reception path monitor for a diversity system |
US4513412A (en) * | 1983-04-25 | 1985-04-23 | At&T Bell Laboratories | Time division adaptive retransmission technique for portable radio telephones |
US4578819A (en) * | 1983-07-25 | 1986-03-25 | Sony Corporation | Space diversity receiver |
US4537572A (en) * | 1984-02-02 | 1985-08-27 | The Perkin-Elmer Corporation | Assembly for positioning a thermogravimetric furnace |
US4773083A (en) * | 1985-11-08 | 1988-09-20 | Raytheon Company | QPSK demodulator |
JPS62116373A (ja) * | 1985-11-15 | 1987-05-27 | 本田技研工業株式会社 | 自動二輪車等のエンジン冷却装置 |
JPH0733149Y2 (ja) * | 1987-11-11 | 1995-07-31 | 理学電機株式会社 | 熱天秤分析装置 |
US4953197A (en) * | 1988-12-08 | 1990-08-28 | International Mobile Machines Corporation | Combination spatial diversity system |
US5128966A (en) * | 1989-02-15 | 1992-07-07 | Samsung Electronics Co., Ltd. | System for demodulating frequency- or phase-modulated signals by quadrature-phase |
US5398002A (en) * | 1989-02-15 | 1995-03-14 | Samsung Electronics Co., Ltd. | Automatic frequency control system by quadrature-phase in frequency or phase demodulating system |
US5109392A (en) * | 1989-05-11 | 1992-04-28 | Bell Telephone Laboratories, Inc. | Diversity receiver arrangement for digital signals |
US5265122A (en) * | 1992-03-19 | 1993-11-23 | Motorola, Inc. | Method and apparatus for estimating signal weighting parameters in a diversity receiver |
EP0748480A1 (en) * | 1992-06-30 | 1996-12-18 | Electronic Innovators, Inc. | Distributed intelligence engineering casualty and damage control management system using an ac power line carrier-current lan |
US5608393A (en) * | 1995-03-07 | 1997-03-04 | Honeywell Inc. | Differential ground station repeater |
US5852412A (en) * | 1995-10-30 | 1998-12-22 | Honeywell Inc. | Differential ground station repeater |
US5758273A (en) * | 1996-01-25 | 1998-05-26 | Harris Corporation | Receiver dynamic range extension method |
GB2310109B (en) * | 1996-02-08 | 2000-07-05 | Orange Personal Comm Serv Ltd | Antenna arrangement |
IT1295010B1 (it) * | 1997-09-10 | 1999-04-27 | Siae Microelettronica Spa | Sistema e metodo di telecomunicazione utilizzante ponti radio |
JPH11136298A (ja) * | 1997-10-30 | 1999-05-21 | Nec Corp | デジタル通信方式 |
US6172652B1 (en) * | 1999-03-10 | 2001-01-09 | Harris Corporation | RF receiving antenna system |
FI107202B (fi) * | 1999-04-01 | 2001-06-15 | Nokia Networks Oy | Menetelmä ja järjestely digitaalisen tiedonsiirron etenemisvarmennuksen rinnakkaisten signaalien vaihtamiseksi |
US6678259B1 (en) * | 1999-05-26 | 2004-01-13 | Qwest Communications International, Inc. | System and method for line of sight path communication |
JP3678119B2 (ja) * | 2000-06-01 | 2005-08-03 | 株式会社デンソー | Ofdm用通信システムおよびその通信システムに用いられる基地局並びに端末 |
US20040208646A1 (en) * | 2002-01-18 | 2004-10-21 | Seemant Choudhary | System and method for multi-level phase modulated communication |
KR100974456B1 (ko) | 2003-09-03 | 2010-08-06 | 넥스티비티 인코포레이티드 | 단거리 셀룰러 부스터 |
JP4847344B2 (ja) * | 2004-01-12 | 2011-12-28 | ネクスティビティ・インコーポレイテッド | 短距離セルラ・ブースタ |
JP4643462B2 (ja) * | 2006-02-08 | 2011-03-02 | 株式会社東芝 | 無線機及び偏波切替方法 |
JP4079197B1 (ja) * | 2007-02-06 | 2008-04-23 | 松下電器産業株式会社 | 受信装置とこれを用いた受信システム |
US8086174B2 (en) * | 2009-04-10 | 2011-12-27 | Nextivity, Inc. | Short-range cellular booster |
US9331771B2 (en) | 2010-09-28 | 2016-05-03 | Aviat U.S., Inc. | Systems and methods for wireless communication using polarization diversity |
US8867679B2 (en) * | 2010-09-28 | 2014-10-21 | Aviat U.S., Inc. | Systems and methods for cancelling cross polarization interference in wireless communication using polarization diversity |
EP2742560A1 (en) * | 2011-08-11 | 2014-06-18 | Aviat Networks, Inc. | Systems and methods for cancelling cross polarization interference in wireless communication using polarization diversity |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428582A (en) * | 1942-05-21 | 1947-10-07 | Rca Corp | Radio diversity transmitter |
US3213370A (en) * | 1961-03-13 | 1965-10-19 | Ibm | Signal selecting system with switching at the interstice between data increments |
US3760274A (en) * | 1971-10-13 | 1973-09-18 | Us Army | Modulation of polarization orientation and concurrent conventional modulation of the same radiated carrier |
JPS5325208B2 (nl) * | 1972-04-04 | 1978-07-25 |
-
1975
- 1975-05-05 CA CA226,207A patent/CA1065020A/en not_active Expired
- 1975-05-12 GB GB1989975A patent/GB1478086A/en not_active Expired
- 1975-05-27 IT IT49808/75A patent/IT1035858B/it active
- 1975-06-11 JP JP50070702A patent/JPS5945268B2/ja not_active Expired
- 1975-06-20 NL NLAANVRAGE7507400,A patent/NL179327C/nl not_active IP Right Cessation
- 1975-06-23 FR FR7519515A patent/FR2279277A1/fr active Granted
- 1975-06-24 BE BE157637A patent/BE830588A/xx not_active IP Right Cessation
- 1975-06-27 DE DE2528835A patent/DE2528835C2/de not_active Expired
-
1976
- 1976-02-05 FR FR7603169A patent/FR2293836A1/fr active Granted
- 1976-02-05 FR FR7603168A patent/FR2293835A1/fr active Granted
- 1976-06-04 US US05/693,251 patent/US4083009A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS5111513A (nl) | 1976-01-29 |
FR2279277B1 (nl) | 1980-12-05 |
DE2528835C2 (de) | 1983-11-10 |
FR2293835B1 (nl) | 1981-08-07 |
FR2293836B1 (nl) | 1981-02-27 |
JPS5945268B2 (ja) | 1984-11-05 |
DE2528835A1 (de) | 1976-01-15 |
FR2293835A1 (fr) | 1976-07-02 |
IT1035858B (it) | 1979-10-20 |
CA1065020A (en) | 1979-10-23 |
US4083009A (en) | 1978-04-04 |
AU8090875A (en) | 1976-11-11 |
GB1478086A (en) | 1977-06-29 |
FR2293836A1 (fr) | 1976-07-02 |
NL179327C (nl) | 1986-08-18 |
NL7507400A (nl) | 1975-12-30 |
BE830588A (fr) | 1975-10-16 |
FR2279277A1 (fr) | 1976-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |