CA2181792A1 - Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system - Google Patents
Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication systemInfo
- Publication number
- CA2181792A1 CA2181792A1 CA002181792A CA2181792A CA2181792A1 CA 2181792 A1 CA2181792 A1 CA 2181792A1 CA 002181792 A CA002181792 A CA 002181792A CA 2181792 A CA2181792 A CA 2181792A CA 2181792 A1 CA2181792 A1 CA 2181792A1
- Authority
- CA
- Canada
- Prior art keywords
- receiver
- tuning
- transmitter
- test sequences
- selecting
- 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.)
- Abandoned
Links
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 9
- 238000004891 communication Methods 0.000 title abstract description 3
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract 3
- 230000005540 biological transmission Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 9
- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
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- 238000010791 quenching Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- ZOCUOMKMBMEYQV-GSLJADNHSA-N 9alpha-Fluoro-11beta,17alpha,21-trihydroxypregna-1,4-diene-3,20-dione 21-acetate Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1CC[C@@](C(=O)COC(=O)C)(O)[C@@]1(C)C[C@@H]2O ZOCUOMKMBMEYQV-GSLJADNHSA-N 0.000 description 1
- 101100289200 Caenorhabditis elegans lite-1 gene Proteins 0.000 description 1
- 241001235128 Doto Species 0.000 description 1
- 101100046831 Drosophila melanogaster Tpst gene Proteins 0.000 description 1
- 101100270435 Mus musculus Arhgef12 gene Proteins 0.000 description 1
- 101100465000 Mus musculus Prag1 gene Proteins 0.000 description 1
- 240000008881 Oenanthe javanica Species 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 241000120694 Thestor Species 0.000 description 1
- 241000534944 Thia Species 0.000 description 1
- MKUXAQIIEYXACX-UHFFFAOYSA-N aciclovir Chemical compound N1C(N)=NC(=O)C2=C1N(COCCO)C=N2 MKUXAQIIEYXACX-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229940048207 predef Drugs 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- HKSZLNNOFSGOKW-HMWZOHBLSA-N staurosporine Chemical compound C12=C3N4C5=CC=CC=C5C3=C3CNC(=O)C3=C2C2=CC=CC=C2N1[C@@H]1C[C@H](NC)[C@H](OC)[C@@]4(C)O1 HKSZLNNOFSGOKW-HMWZOHBLSA-N 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- -1 test E Chemical compound 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D11/00—Super-regenerative demodulator circuits
- H03D11/02—Super-regenerative demodulator circuits for amplitude-modulated oscillations
- H03D11/04—Super-regenerative demodulator circuits for amplitude-modulated oscillations by means of semiconductor devices having more than two electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/15—Tuning of resonator by means of digitally controlled inductor bank
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/28—Automatic self-alignment of a receiver
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuits Of Receivers In General (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transceivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/195,026 | 1994-02-14 | ||
| US08/195,026 US5438699A (en) | 1992-06-09 | 1994-02-14 | Adaptive system for self-tuning a receiver in an RF communication system |
| US08/310,702 US5548821A (en) | 1992-06-09 | 1994-09-22 | Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system |
| US08/310,702 | 1994-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2181792A1 true CA2181792A1 (en) | 1995-08-17 |
Family
ID=26890634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002181792A Abandoned CA2181792A1 (en) | 1994-02-14 | 1995-02-13 | Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5548821A (en, 2012) |
| EP (1) | EP0745284A1 (en, 2012) |
| JP (1) | JPH09511877A (en, 2012) |
| AU (1) | AU1702295A (en, 2012) |
| CA (1) | CA2181792A1 (en, 2012) |
| SG (1) | SG52751A1 (en, 2012) |
| TW (1) | TW280975B (en, 2012) |
| WO (1) | WO1995022197A1 (en, 2012) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4327642C2 (de) * | 1993-05-17 | 1998-09-24 | Anatoli Stobbe | Lesegerät für ein Detektierplättchen |
| GB9509145D0 (en) * | 1995-04-28 | 1995-06-28 | Thomson Consumer Electronics | Two band 25 channel cordless telephone system |
| 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 |
| US5987062A (en) * | 1995-12-15 | 1999-11-16 | Netwave Technologies, Inc. | Seamless roaming for wireless local area networks |
| DE69935632T2 (de) * | 1998-04-16 | 2007-10-04 | Koninklijke Philips Electronics N.V. | Empfänger und ein Verfahren zur Abstimmung von einer der Hochfrequenzstufen in einem Empfänger |
| US6480497B1 (en) | 1998-11-23 | 2002-11-12 | Ricochet Networks, Inc. | Method and apparatus for maximizing data throughput in a packet radio mesh network |
| JP2003526990A (ja) * | 2000-03-01 | 2003-09-09 | ヴァヴィク、ゲイル・モンセン | トランスポンダおよびトランスポンダシステム |
| US7339892B1 (en) | 2000-08-18 | 2008-03-04 | Nortel Networks Limited | System and method for dynamic control of data packet fragmentation threshold in a wireless network |
| US7280495B1 (en) | 2000-08-18 | 2007-10-09 | Nortel Networks Limited | Reliable broadcast protocol in a wireless local area network |
| US6947483B2 (en) * | 2000-08-18 | 2005-09-20 | Nortel Networks Limited | Method, apparatus, and system for managing data compression in a wireless network |
| US7366103B2 (en) * | 2000-08-18 | 2008-04-29 | Nortel Networks Limited | Seamless roaming options in an IEEE 802.11 compliant network |
| US7308279B1 (en) | 2000-08-18 | 2007-12-11 | Nortel Networks Limited | Dynamic power level control on transmitted messages in a wireless LAN |
| DE10254933B4 (de) | 2002-11-25 | 2006-07-27 | Adidas International Marketing B.V. | Schuh |
| TW595131B (en) * | 2003-03-26 | 2004-06-21 | Winbond Electronics Corp | Wireless transmission system and its wireless receiving device |
| KR100732681B1 (ko) * | 2006-01-20 | 2007-06-27 | 삼성전자주식회사 | Ｒｆｉｄ 태그 및 이를 갖는 ｒｆｉｄ 시스템 |
| US8081940B2 (en) * | 2006-09-29 | 2011-12-20 | Broadcom Corporation | Method and system for dynamically tuning and calibrating an antenna using an on-chip digitally controlled array of capacitors |
| US8326246B2 (en) * | 2007-07-10 | 2012-12-04 | Qualcomm Incorporated | Super regenerative (SR) apparatus having plurality of parallel SR amplifiers tuned to distinct frequencies |
| US20090066496A1 (en) * | 2007-09-11 | 2009-03-12 | Lear Corporation | Low frequency receiver for a tire pressure monitor system |
| US8112043B2 (en) * | 2008-04-11 | 2012-02-07 | Infineon Technologies Ag | Radio frequency communication devices and methods |
| JP5326819B2 (ja) * | 2009-05-28 | 2013-10-30 | カシオ計算機株式会社 | 電波受信装置 |
| US8233336B2 (en) * | 2009-09-25 | 2012-07-31 | Infineon Technologies Ag | Memory controller comprising adjustable transmitter impedance |
| US9375247B2 (en) * | 2011-03-16 | 2016-06-28 | Covidien Lp | System and method for electrosurgical generator power measurement |
| US8712355B2 (en) | 2011-08-30 | 2014-04-29 | Motorola Mobility Llc | Antenna tuning on an impedance trajectory |
| TWI568173B (zh) | 2013-09-12 | 2017-01-21 | 多康股份有限公司 | 作為無頻率轉換之高敏感選擇接收器之對數檢測放大系統 |
| US11183974B2 (en) | 2013-09-12 | 2021-11-23 | Dockon Ag | Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion |
| US11082014B2 (en) | 2013-09-12 | 2021-08-03 | Dockon Ag | Advanced amplifier system for ultra-wide band RF communication |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3671868A (en) * | 1970-01-21 | 1972-06-20 | Bendix Corp | Superregenerative microwave receiver |
| US3754152A (en) * | 1971-11-03 | 1973-08-21 | Bulova Watch Co Inc | Incrementally adjustable capacitor unit for tuning a crystal-controlled oscillator |
| US4210898A (en) * | 1979-04-30 | 1980-07-01 | Gould Inc. | Low tire warning system |
| JPS619022A (ja) * | 1984-06-23 | 1986-01-16 | Trio Kenwood Corp | アマチユア無線用通信機 |
| JPH03270507A (ja) * | 1990-03-20 | 1991-12-02 | Nec Home Electron Ltd | Ａｆｃ回路 |
| US5146613A (en) * | 1990-11-16 | 1992-09-08 | Delco Electronics Corporation | Low power uhf data transceiver |
| US5105162A (en) * | 1991-06-20 | 1992-04-14 | United Technologies Automotive | Electrically tuned RF receiver, apparatus and method therefor |
| JP2590644B2 (ja) * | 1991-09-13 | 1997-03-12 | 日本電気株式会社 | 無線通信装置及び試験送信機 |
| US5438699A (en) * | 1992-06-09 | 1995-08-01 | Coveley; Michael | Adaptive system for self-tuning a receiver in an RF communication system |
-
1994
- 1994-09-22 US US08/310,702 patent/US5548821A/en not_active Expired - Fee Related
-
1995
- 1995-02-13 JP JP7520875A patent/JPH09511877A/ja active Pending
- 1995-02-13 EP EP95908841A patent/EP0745284A1/en not_active Withdrawn
- 1995-02-13 SG SG1996008911A patent/SG52751A1/en unknown
- 1995-02-13 WO PCT/CA1995/000071 patent/WO1995022197A1/en not_active Application Discontinuation
- 1995-02-13 CA CA002181792A patent/CA2181792A1/en not_active Abandoned
- 1995-02-13 AU AU17022/95A patent/AU1702295A/en not_active Abandoned
- 1995-07-03 TW TW084106836A patent/TW280975B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| AU1702295A (en) | 1995-08-29 |
| JPH09511877A (ja) | 1997-11-25 |
| WO1995022197A1 (en) | 1995-08-17 |
| US5548821A (en) | 1996-08-20 |
| EP0745284A1 (en) | 1996-12-04 |
| TW280975B (en, 2012) | 1996-07-11 |
| SG52751A1 (en) | 1998-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |