SE8801897L - Mobil-stationsutrustning foer ett mobilradiotelefonsystem - Google Patents
Mobil-stationsutrustning foer ett mobilradiotelefonsystemInfo
- Publication number
- SE8801897L SE8801897L SE8801897A SE8801897A SE8801897L SE 8801897 L SE8801897 L SE 8801897L SE 8801897 A SE8801897 A SE 8801897A SE 8801897 A SE8801897 A SE 8801897A SE 8801897 L SE8801897 L SE 8801897L
- Authority
- SE
- Sweden
- Prior art keywords
- station equipment
- mobile
- mobile station
- frequency
- phone system
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Superheterodyne Receivers (AREA)
- Mobile Radio Communication Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62125283A JPH0744485B2 (ja) | 1987-05-22 | 1987-05-22 | 自動車電話装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8801897D0 SE8801897D0 (sv) | 1988-05-20 |
SE8801897L true SE8801897L (sv) | 1988-11-23 |
Family
ID=14906244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8801897A SE8801897L (sv) | 1987-05-22 | 1988-05-20 | Mobil-stationsutrustning foer ett mobilradiotelefonsystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US4932072A (sv) |
JP (1) | JPH0744485B2 (sv) |
CH (1) | CH675512A5 (sv) |
NO (1) | NO176940C (sv) |
SE (1) | SE8801897L (sv) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07105756B2 (ja) * | 1988-06-29 | 1995-11-13 | 松下電器産業株式会社 | 移動通信方法 |
JPH02195737A (ja) * | 1989-01-24 | 1990-08-02 | Fujitsu Ltd | 加入者無線システムの加入者局 |
US5291474A (en) * | 1989-05-18 | 1994-03-01 | Nokia Mobile Phones Ltd. | Procedure for forming frequencies of a digital radio telephone |
JPH07105822B2 (ja) * | 1989-08-10 | 1995-11-13 | 三菱電機株式会社 | 自動周波数制御装置 |
US5249305A (en) * | 1989-09-27 | 1993-09-28 | Motorola, Inc. | Radio frequency error detection and correction system |
WO1991005410A1 (en) * | 1989-09-27 | 1991-04-18 | Motorola, Inc. | Method and apparatus for adjusting the frequency of a two-way radio |
USRE36973E (en) * | 1989-10-12 | 2000-11-28 | Seiko Epson Corporation | Digitally-corrected temperature-compensated crystal oscillator having a correction-suspend control for communications service |
JPH03293824A (ja) * | 1990-04-12 | 1991-12-25 | Pioneer Electron Corp | ラジオ受信機 |
US5119504A (en) * | 1990-07-19 | 1992-06-02 | Motorola, Inc. | Position aided subscriber unit for a satellite cellular system |
FI91821C (sv) * | 1991-02-22 | 1994-08-10 | Nokia Mobile Phones Ltd | Koppling för automatisk frekvensreglering i en radiotelefon |
GB2254971B (en) * | 1991-03-07 | 1994-12-21 | Ericsson Telefon Ab L M | Mobile radio communications stations |
US5493710A (en) * | 1991-08-02 | 1996-02-20 | Hitachi, Ltd. | Communication system having oscillation frequency calibrating function |
JPH0548483A (ja) * | 1991-08-12 | 1993-02-26 | Fujitsu Ltd | 周波数変換回路 |
US5299264A (en) * | 1991-08-21 | 1994-03-29 | L. S. Research, Inc. | System for short-range transmission of signals over the air using a high frequency carrier |
US5491839A (en) * | 1991-08-21 | 1996-02-13 | L. S. Research, Inc. | System for short range transmission of a plurality of signals simultaneously over the air using high frequency carriers |
US5230088A (en) * | 1991-10-24 | 1993-07-20 | Symbol Technologies, Inc. | Radio transceiver and related method of frequency control |
US5392330A (en) * | 1992-01-08 | 1995-02-21 | Thomson Consumer Electronics, Inc. | Offset down conversion for a two-handset cordless telephone system |
CA2085722C (en) * | 1992-01-08 | 1997-02-25 | Samuel Rocco Paniccia Jr. | Use of a vcxo in the base unit of a two-handset cordless telephone system |
US5222250A (en) * | 1992-04-03 | 1993-06-22 | Cleveland John F | Single sideband radio signal processing system |
CA2098660C (en) * | 1992-06-23 | 1999-08-03 | Gen Suganuma | Automatic frequency control circuit |
JP3210131B2 (ja) * | 1993-05-20 | 2001-09-17 | リーダー電子株式会社 | コードレステレフォンの測定チャンネルの高速捕捉装置 |
JP2880376B2 (ja) * | 1993-06-10 | 1999-04-05 | 三菱電機株式会社 | 周波数安定化装置 |
US5542095A (en) * | 1993-08-24 | 1996-07-30 | Pacific Communication Sciences | Frequency Reference Compensation |
US5423076A (en) * | 1993-09-24 | 1995-06-06 | Rockwell International Corporation | Superheterodyne tranceiver with bilateral first mixer and dual phase locked loop frequency control |
US5708971A (en) * | 1994-01-11 | 1998-01-13 | Ericsson Inc. | Two-way paging system and apparatus |
US5669067A (en) * | 1994-06-29 | 1997-09-16 | Harris Corporation | Remotely controllable variable intermediate frequency transceiver |
US5535441A (en) * | 1994-09-30 | 1996-07-09 | Hughes Electronics Corp. | Method and device for canceling frequency offsets |
JP3186500B2 (ja) * | 1995-03-29 | 2001-07-11 | 三菱電機株式会社 | 無線装置及び無線装置の調整方法 |
US5673323A (en) * | 1995-04-12 | 1997-09-30 | L. S. Research, Inc. | Analog spread spectrum wireless speaker system |
FR2734972B1 (fr) * | 1995-05-31 | 1997-08-01 | Matra Communication | Dispositif d'emission radio a modulation de frequence |
US5841396A (en) * | 1996-03-08 | 1998-11-24 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
US5898903A (en) * | 1996-03-14 | 1999-04-27 | Alligator Communications, Inc. | Multiple address radio system having automatic radio calibration for reducing frequency offset between radio frequency carriers |
US5794131A (en) * | 1996-03-19 | 1998-08-11 | Ericsson Inc. | Reducing or eliminating radio transmitter mixer spurious outputs |
JP3042418B2 (ja) * | 1996-09-27 | 2000-05-15 | 日本電気株式会社 | ディジタル受信機の周波数調整方法及び周波数調整回路 |
US6009312A (en) * | 1997-02-05 | 1999-12-28 | Ericsson Inc. | Transmit signal generation with the aid of a receiver |
US6163687A (en) * | 1997-07-22 | 2000-12-19 | Intel Corporation | Tuning module for a dual frequency PLL synthesized tuner |
DE69930161T2 (de) * | 1998-12-08 | 2006-11-23 | Koninklijke Philips Electronics N.V. | Abstimmbarer empfänger |
WO2001026260A1 (en) * | 1999-09-27 | 2001-04-12 | Parthus Technologies Plc | Method and apparatus for comparator tree structure for fast acquisition of offsets induced in a wireless receiver |
EP1182792A1 (en) * | 2000-08-25 | 2002-02-27 | Telefonaktiebolaget L M Ericsson (Publ) | An electronic circuit for and a method of controlling the output frequency of a frequency synthesizer |
JP3599183B2 (ja) * | 2001-03-28 | 2004-12-08 | 日本電気株式会社 | 衛星通信送信制御方式及び小型地球局 |
GB0110497D0 (en) * | 2001-04-28 | 2001-06-20 | Mitel Semiconductor Ltd | Tuner and method of aligning a tuner |
JP2003078426A (ja) * | 2001-08-31 | 2003-03-14 | Nec Corp | 携帯端末装置の周波数補正方法 |
US20040121747A1 (en) * | 2002-12-24 | 2004-06-24 | Sy-Kang Shen | Kit of a local oscillator of an airborne VHF multimode communication transceiver |
EP2472736A1 (en) * | 2003-05-23 | 2012-07-04 | Gilat Satellite Networks Ltd. | Frequency and timing synchronization and error correction in a satellite network |
JP4325490B2 (ja) * | 2004-06-10 | 2009-09-02 | 株式会社デンソー | ヘテロダイン受信機 |
JP2006319393A (ja) * | 2005-05-10 | 2006-11-24 | Renesas Technology Corp | 通信用半導体集積回路および無線通信装置 |
US7542445B2 (en) * | 2006-06-14 | 2009-06-02 | Sony Ericsson Mobile Communications Ab | Method and system for maintaining autonomous system clock accuracy for a mobile radio terminal |
DE102007046341A1 (de) * | 2007-09-27 | 2009-04-23 | Infineon Technologies Ag | Schaltungsanordnung zum Verarbeiten eines hochfrequenten Signals |
CN102307048A (zh) * | 2011-07-15 | 2012-01-04 | 大唐移动通信设备有限公司 | 一种基于Pico RRU的时钟及其实现方法 |
CN103176494B (zh) * | 2011-12-23 | 2014-08-27 | 联芯科技有限公司 | 压控零点补偿电路 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55132135A (en) * | 1979-03-30 | 1980-10-14 | Nec Corp | Simultaneous transmitting-receiving radio equipment |
JPS57129519A (en) * | 1981-02-04 | 1982-08-11 | Nec Corp | Automatic frequency controlling circuit |
US4476575A (en) * | 1982-12-13 | 1984-10-09 | General Electric Company | Radio transceiver |
JPS6037939U (ja) * | 1983-08-23 | 1985-03-15 | 日本マランツ株式会社 | 無線通信機器の周波数安定化装置 |
US4521916A (en) * | 1983-11-29 | 1985-06-04 | Rca Corporation | Frequency synthesis tuning control system for a double-conversion tuner |
US4520474A (en) * | 1983-12-05 | 1985-05-28 | Motorola, Inc. | Duplex communication transceiver with modulation cancellation |
US4619002A (en) * | 1984-07-02 | 1986-10-21 | Motorola, Inc. | Self-calibrating signal strength detector |
JP2517964B2 (ja) * | 1987-05-14 | 1996-07-24 | 日本電信電話株式会社 | 周波数安定化機能を有する移動無線機 |
JPH0748670B2 (ja) * | 1987-05-14 | 1995-05-24 | 日本電信電話株式会社 | 周波数安定化機能を有する移動無線機 |
US4727591A (en) * | 1986-09-04 | 1988-02-23 | Arvin Industries, Inc. | Microprocessor controlled tuning system |
-
1987
- 1987-05-22 JP JP62125283A patent/JPH0744485B2/ja not_active Expired - Lifetime
-
1988
- 1988-05-20 US US07/196,259 patent/US4932072A/en not_active Expired - Lifetime
- 1988-05-20 CH CH1936/88A patent/CH675512A5/fr not_active IP Right Cessation
- 1988-05-20 NO NO882243A patent/NO176940C/no not_active IP Right Cessation
- 1988-05-20 SE SE8801897A patent/SE8801897L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO176940C (no) | 1995-06-21 |
NO176940B (no) | 1995-03-13 |
NO882243D0 (no) | 1988-05-20 |
CH675512A5 (sv) | 1990-09-28 |
JPH0744485B2 (ja) | 1995-05-15 |
US4932072A (en) | 1990-06-05 |
JPS63290414A (ja) | 1988-11-28 |
NO882243L (no) | 1988-11-23 |
SE8801897D0 (sv) | 1988-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8801897-3 |