JPH10256938A - トランシーバ - Google Patents
トランシーバInfo
- Publication number
- JPH10256938A JPH10256938A JP10030208A JP3020898A JPH10256938A JP H10256938 A JPH10256938 A JP H10256938A JP 10030208 A JP10030208 A JP 10030208A JP 3020898 A JP3020898 A JP 3020898A JP H10256938 A JPH10256938 A JP H10256938A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- oscillator
- transceiver
- frequency
- phase
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000009977 dual effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
- H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Transceivers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US800,311 | 1991-11-29 | ||
| US08/800,311 US5844939A (en) | 1997-02-14 | 1997-02-14 | Low-cost phaselocked local oscillator for millimeter wave transceivers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10256938A true JPH10256938A (ja) | 1998-09-25 |
| JPH10256938A5 JPH10256938A5 (enExample) | 2005-08-25 |
Family
ID=25178060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10030208A Pending JPH10256938A (ja) | 1997-02-14 | 1998-02-12 | トランシーバ |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5844939A (enExample) |
| JP (1) | JPH10256938A (enExample) |
| GB (1) | GB2322983A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003174360A (ja) * | 2001-12-05 | 2003-06-20 | Rohm Co Ltd | 局部発振器及びこれを用いた送信装置並びに受信装置 |
| JP2006513605A (ja) * | 2003-01-06 | 2006-04-20 | トムソン ライセンシング | 高度選択フィルタリング装置及び対応するフィルタリング方法 |
| JP2007511933A (ja) * | 2003-10-17 | 2007-05-10 | フラリオン テクノロジーズ,インコーポレーテッド | キャリアサーチ方法および装置 |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396612B1 (en) | 1998-02-11 | 2002-05-28 | Telefonaktiebolaget L M Ericsson | System, method and apparatus for secure transmission of confidential information |
| US6324379B1 (en) * | 1998-05-28 | 2001-11-27 | California Amplifier, Inc. | Transceiver systems and methods that preserve frequency order when downconverting communication signals and upconverting data signals |
| KR100313748B1 (ko) * | 1998-07-13 | 2001-11-17 | 구마모토 마사히로 | 주파수 변환기 및 주파수 변환기를 사용한 무선 통신 시스템 |
| JP2000092142A (ja) * | 1998-09-11 | 2000-03-31 | Hitachi Denshi Ltd | データ伝送方式 |
| US6501768B2 (en) * | 1998-11-02 | 2002-12-31 | Cisco Technology, Inc. | Local multipoint distribution service base station apparatus |
| US6522868B1 (en) * | 1998-11-04 | 2003-02-18 | Lockheed Martin Corporation | Method and apparatus for generating a communication band signal with reduced phase noise |
| US6567132B1 (en) * | 1999-03-10 | 2003-05-20 | General Instruments Corp. | Upconverter for a television signal headend distribution center handling analog and digital signals and method of making and using the same |
| US6456823B1 (en) * | 1999-06-25 | 2002-09-24 | Raytheon Company | System and method for recovering a pilot tone in a local multipoint distribution system signal |
| KR100370055B1 (ko) * | 1999-08-12 | 2003-01-29 | 엘지전자 주식회사 | 엘엠디에스 시스템의 허브 아웃도어 장치 |
| US6640084B2 (en) | 2000-02-01 | 2003-10-28 | Krishna Pande | Complete outdoor radio unit for LMDS |
| US6473598B1 (en) * | 2000-02-15 | 2002-10-29 | Fareed Sepehry-Fard | Most cost-effective asmmic-based universal microwave and millimeter wave transceiver |
| US7013121B1 (en) * | 2000-02-18 | 2006-03-14 | Telaxis Communications Corporation | Frequency conversion circuit using common local synthesizer |
| US8363744B2 (en) | 2001-06-10 | 2013-01-29 | Aloft Media, Llc | Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks |
| US6879192B2 (en) | 2001-10-18 | 2005-04-12 | L-3 Communications Corporation | Even harmonic mixer with high-input, third-order intercept point |
| FR2841067A1 (fr) * | 2002-06-18 | 2003-12-19 | Thomson Licensing Sa | Systeme de transmission a haute stabilite en frequence |
| FR2842370B1 (fr) * | 2002-07-10 | 2004-09-17 | Thomson Licensing Sa | Adaptateur hyperfrequence pour reseau cable |
| US20040121747A1 (en) * | 2002-12-24 | 2004-06-24 | Sy-Kang Shen | Kit of a local oscillator of an airborne VHF multimode communication transceiver |
| CN1784825B (zh) * | 2003-05-07 | 2010-05-12 | Nxp股份有限公司 | 低功耗的接收机前端 |
| US7336938B1 (en) * | 2003-06-18 | 2008-02-26 | National Semiconductor Corporation | Phase-alternating mixer with alias and harmonic rejection |
| UA89172C2 (ru) * | 2003-10-17 | 2010-01-11 | Квелком Инкорпорейтед | Способы и устройство для поиска несущей частоты |
| US7340233B2 (en) * | 2004-03-29 | 2008-03-04 | Intel Corporation | Integrated circuit and methods for third sub harmonic up conversion and down conversion of signals |
| DE102004061803A1 (de) * | 2004-04-08 | 2005-10-27 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Fehlerbehandlung bei der Übertragung von Daten über ein Kommunikationssystem |
| AU2004319507C1 (en) * | 2004-04-15 | 2009-07-23 | Qualcomm Incorporated | Methods and apparatus for phased deployment of communications systems |
| EP1736011A4 (en) * | 2004-04-15 | 2011-02-09 | Qualcomm Inc | MULTI-CARRIER COMMUNICATION PROCESS AND DEVICES |
| US20070080852A1 (en) * | 2005-10-07 | 2007-04-12 | Blumke Joel C | Phase locked loop as linear chirp extender |
| GB2441375B (en) * | 2006-08-29 | 2011-03-02 | Ubiquisys Ltd | Basestation for cellular communication system |
| US7570965B2 (en) * | 2006-09-29 | 2009-08-04 | Broadcom Corporation | Method and system for compensating for using a transmitter to calibrate a receiver for channel equalization |
| DE102014201119A1 (de) * | 2014-01-22 | 2015-07-23 | Siemens Aktiengesellschaft | Sendevorrichtung zum Übertragen eines frequenzmodulierten Signals |
| US10374788B2 (en) * | 2016-08-17 | 2019-08-06 | Qorvo Us, Inc. | Phase locked loop (PLL)-less millimeter wave power head |
| CN111788782B (zh) | 2018-03-01 | 2022-08-23 | 康普技术有限责任公司 | 用于测量距无源互调源的距离的方法和设备 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531722A (en) * | 1967-08-11 | 1970-09-29 | Frederick W Seibold | Frequency monitoring system employing a local oscillator and fixed-tuned monitor |
| US4489413A (en) * | 1982-07-19 | 1984-12-18 | M/A-Com Dcc, Inc. | Apparatus for controlling the receive and transmit frequency of a transceiver |
| US4932070A (en) * | 1988-08-22 | 1990-06-05 | Scientific Atlanta | Mechanism for deriving accurate frequency reference for satellite communications burst demodulator |
| JPH0795699B2 (ja) * | 1989-10-26 | 1995-10-11 | 松下電器産業株式会社 | 受信機 |
| US5280644A (en) * | 1992-12-22 | 1994-01-18 | Motorola, Inc. | Frequency control circuit, and associated method, for a receiver operative to receive signals-transmitted thereto in intermittent bursts |
| US5794119A (en) * | 1995-11-21 | 1998-08-11 | Stanford Telecommunications, Inc. | Subscriber frequency control system and method in point-to-multipoint RF communication system |
| US5790959A (en) * | 1996-11-13 | 1998-08-04 | Hewlett-Packard Company | Programmable band select and transfer module for local multipoint distribution service basestation |
-
1997
- 1997-02-14 US US08/800,311 patent/US5844939A/en not_active Expired - Lifetime
-
1998
- 1998-02-12 GB GB9803024A patent/GB2322983A/en not_active Withdrawn
- 1998-02-12 JP JP10030208A patent/JPH10256938A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003174360A (ja) * | 2001-12-05 | 2003-06-20 | Rohm Co Ltd | 局部発振器及びこれを用いた送信装置並びに受信装置 |
| JP2006513605A (ja) * | 2003-01-06 | 2006-04-20 | トムソン ライセンシング | 高度選択フィルタリング装置及び対応するフィルタリング方法 |
| JP2007511933A (ja) * | 2003-10-17 | 2007-05-10 | フラリオン テクノロジーズ,インコーポレーテッド | キャリアサーチ方法および装置 |
| US7859986B2 (en) | 2003-10-17 | 2010-12-28 | Qualcomm Incorporated | Carrier search methods and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9803024D0 (en) | 1998-04-08 |
| US5844939A (en) | 1998-12-01 |
| GB2322983A (en) | 1998-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20041026 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20041029 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050214 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050214 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20071225 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080205 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20080701 |