TW201101713A - Adjustable receive filter - Google Patents
Adjustable receive filter Download PDFInfo
- Publication number
- TW201101713A TW201101713A TW099103440A TW99103440A TW201101713A TW 201101713 A TW201101713 A TW 201101713A TW 099103440 A TW099103440 A TW 099103440A TW 99103440 A TW99103440 A TW 99103440A TW 201101713 A TW201101713 A TW 201101713A
- Authority
- TW
- Taiwan
- Prior art keywords
- frequency
- frequency response
- band
- control signal
- wireless receiver
- Prior art date
Links
- 230000004044 response Effects 0.000 claims abstract description 233
- 238000004891 communication Methods 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 40
- 238000004590 computer program Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 6
- 230000002238 attenuated effect Effects 0.000 claims description 2
- 239000000872 buffer Substances 0.000 claims 2
- 238000001228 spectrum Methods 0.000 abstract description 49
- 230000008859 change Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 65
- 238000010586 diagram Methods 0.000 description 36
- 230000006870 function Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010183 spectrum analysis Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 206010011469 Crying Diseases 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 210000004508 polar body Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Transmitters (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/365,450 US8204443B2 (en) | 2009-02-04 | 2009-02-04 | Adjustable receive filter responsive to internal radio status |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201101713A true TW201101713A (en) | 2011-01-01 |
Family
ID=42062625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW099103440A TW201101713A (en) | 2009-02-04 | 2010-02-04 | Adjustable receive filter |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8204443B2 (enExample) |
| EP (1) | EP2394367A1 (enExample) |
| JP (3) | JP2012517199A (enExample) |
| KR (1) | KR101492521B1 (enExample) |
| CN (1) | CN102308482B (enExample) |
| TW (1) | TW201101713A (enExample) |
| WO (1) | WO2010091194A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8818299B2 (en) | 2011-06-01 | 2014-08-26 | Andrew Llc | Broadband distributed antenna system with non-duplexer isolator sub-system |
| WO2014109051A1 (ja) * | 2013-01-11 | 2014-07-17 | 三菱電機株式会社 | 移動体用放送受信装置 |
| FR3043289B1 (fr) * | 2015-11-02 | 2017-12-08 | Commissariat Energie Atomique | Dispositif recepteur de signaux radiofrequence, procede de reglage pour un tel dispositif et programme d'ordinateur correspondant |
| KR20190067710A (ko) * | 2017-12-07 | 2019-06-17 | 인피니언 테크놀로지스 아게 | 가변 공진기 요소, 필터 회로 및 방법 |
| US10965021B2 (en) * | 2018-03-05 | 2021-03-30 | Skyworks Solutions, Inc. | Radio frequency systems with tunable filter |
| CN112911505A (zh) * | 2021-01-29 | 2021-06-04 | 西安交通大学 | 一种频率自适应的轮椅室内定位方法 |
| US20220381921A1 (en) * | 2021-05-26 | 2022-12-01 | Qualcomm Incorporated | Satellite signal measurement in the presence of interference |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5831545A (en) | 1995-08-25 | 1998-11-03 | Motorola, Inc. | Method and apparatus for adjusting a communication strategy in a radio communication system using location |
| CA2270321A1 (en) | 1998-06-11 | 1999-12-11 | Lucent Technologies, Inc. | Radio receiver with location control programming |
| EP1142139B1 (en) | 1998-12-24 | 2006-04-12 | Nokia Corporation | A device and method for reducing the amplitude of signals |
| JP2000197118A (ja) | 1998-12-24 | 2000-07-14 | Toshiba Corp | 無線通信装置及び無線通信装置の仕様設定方法 |
| JP3841615B2 (ja) | 2000-03-29 | 2006-11-01 | パイオニア株式会社 | 移動体用受信機 |
| US6937877B2 (en) | 2000-12-21 | 2005-08-30 | General Electric Company | Wireless communication with a mobile asset employing dynamic configuration of a software defined radio |
| US20020184653A1 (en) | 2001-02-02 | 2002-12-05 | Pierce Matthew D. | Services based on position location using broadcast digital television signals |
| GB2372174B (en) | 2001-02-12 | 2003-07-16 | Matsushita Electric Industrial Co Ltd | Intermediate frequency planning in radio transmitters and receivers |
| WO2003017706A1 (de) | 2001-08-09 | 2003-02-27 | Siemens Aktiengesellschaft | Vorausschauende rekonfiguration von mobilfunkendgeräten mit konfigurierbaren transceivern unter verwendung von ortsinformationen, routendaten und information über den räumlichen einzugsbereich von mobilfunknetzwerken |
| US20030078037A1 (en) | 2001-08-17 | 2003-04-24 | Auckland David T. | Methodology for portable wireless devices allowing autonomous roaming across multiple cellular air interface standards and frequencies |
| JP2003069516A (ja) * | 2001-08-27 | 2003-03-07 | Kenwood Corp | 受信方法及び受信機 |
| US6901243B2 (en) | 2001-11-08 | 2005-05-31 | Qualcomm, Incorporated | Method and apparatus for mitigating adjacent channel interference in a wireless communication system |
| US7460831B2 (en) * | 2002-06-20 | 2008-12-02 | Dekolink Wireless Ltd. | System and method for excluding narrow band noise from a communication channel |
| US20040014438A1 (en) * | 2002-06-20 | 2004-01-22 | Abraham Hasarchi | System and method for excluding narrow band noise from a communication channel |
| JP2004040367A (ja) | 2002-07-02 | 2004-02-05 | Pioneer Electronic Corp | 隣接妨害波除去機能付き受信機 |
| JP2004179826A (ja) | 2002-11-26 | 2004-06-24 | Nec Infrontia Corp | コンピュータ装置 |
| US7236756B2 (en) | 2002-12-13 | 2007-06-26 | Freescale Semiconductors, Inc. | Tuning signal generator and method thereof |
| JP2004222171A (ja) * | 2003-01-17 | 2004-08-05 | Matsushita Electric Ind Co Ltd | マルチモード通信装置及び帯域制限フィルタ制御方法 |
| US7263072B2 (en) * | 2003-04-16 | 2007-08-28 | Kyocera Wireless Corp. | System and method for selecting a communication band |
| CN1781257B (zh) * | 2003-06-10 | 2010-10-13 | 诺基亚公司 | 改善干扰环境中接收机的性能 |
| US7200166B1 (en) * | 2003-07-10 | 2007-04-03 | Miao George J | Dual-mode transceiver for indoor and outdoor ultra wideband communications |
| EP1687929B1 (en) * | 2003-11-17 | 2010-11-10 | Quellan, Inc. | Method and system for antenna interference cancellation |
| JP2006060446A (ja) * | 2004-08-19 | 2006-03-02 | Matsushita Electric Ind Co Ltd | マルチモード移動端末装置および帯域制限フィルタ制御方法 |
| US8145141B2 (en) | 2004-11-05 | 2012-03-27 | Qualcomm, Incorporated | Frequency agile transceiver for use in a multi-band handheld communications device |
| JP2006197368A (ja) * | 2005-01-14 | 2006-07-27 | Matsushita Electric Ind Co Ltd | マルチモード通信装置 |
| JP4267579B2 (ja) * | 2005-01-31 | 2009-05-27 | パナソニック株式会社 | マルチモード通信装置 |
| US7587171B2 (en) | 2005-03-09 | 2009-09-08 | Atc Technologies, Llc | Reducing interference in a wireless communications signal in the frequency domain |
| US7738610B2 (en) | 2005-08-31 | 2010-06-15 | Honeywell International Inc. | Method and apparatus for automatic alignment of notch filters |
| JP2007215009A (ja) * | 2006-02-10 | 2007-08-23 | Matsushita Electric Ind Co Ltd | マルチモード通信回路、及びこのマルチモード通信回路を備えた無線通信装置、並びにこれらを用いた無線通信システム |
| US8073398B2 (en) * | 2006-03-24 | 2011-12-06 | Nortel Networks Limited | Method and apparatus for adaptive channel utilisation |
| JP2008054012A (ja) * | 2006-08-24 | 2008-03-06 | Matsushita Electric Works Ltd | 無線受信装置 |
| JP2008060816A (ja) * | 2006-08-30 | 2008-03-13 | Ricoh Co Ltd | 無線通信装置、該無線通信装置を含むプリンタ・ネットワーク・システムおよび周波数設定方法 |
| US20080119148A1 (en) | 2006-11-16 | 2008-05-22 | William Martin Ray | Radio receiver and method of dynamically setting tuning parameters based on location |
| US7643791B2 (en) | 2007-01-12 | 2010-01-05 | Airorlite Communications, Inc. | Method and apparatus for optimizing signal processing |
| KR100857243B1 (ko) * | 2007-03-02 | 2008-09-05 | 인하대학교 산학협력단 | 인지적 ｕｗｂ 시스템 및 데이터 통신 방법 |
| US7804922B2 (en) | 2007-03-02 | 2010-09-28 | Skyworks Solutions, Inc. | System and method for adjacent channel power detection and dynamic bandwidth filter control |
| US8009779B2 (en) | 2007-03-16 | 2011-08-30 | Xg Technology, Inc. | System and method for broadband pulse detection among multiple interferers using a picket fence receiver |
| US7991364B2 (en) * | 2008-05-19 | 2011-08-02 | Nokia Corporation | Apparatus method and computer program for configurable radio-frequency front end filtering |
| US8385483B2 (en) | 2008-11-11 | 2013-02-26 | Isco International, Llc | Self-adaptive digital RF bandpass and bandstop filter architecture |
-
2009
- 2009-02-04 US US12/365,450 patent/US8204443B2/en not_active Expired - Fee Related
-
2010
- 2010-02-04 WO PCT/US2010/023221 patent/WO2010091194A1/en not_active Ceased
- 2010-02-04 EP EP10704274A patent/EP2394367A1/en not_active Withdrawn
- 2010-02-04 CN CN201080006718.1A patent/CN102308482B/zh not_active Expired - Fee Related
- 2010-02-04 KR KR1020117020711A patent/KR101492521B1/ko not_active Expired - Fee Related
- 2010-02-04 TW TW099103440A patent/TW201101713A/zh unknown
- 2010-02-04 JP JP2011549264A patent/JP2012517199A/ja not_active Withdrawn
-
2014
- 2014-02-17 JP JP2014027820A patent/JP2014140183A/ja active Pending
-
2015
- 2015-11-16 JP JP2015224108A patent/JP2016106447A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN102308482B (zh) | 2014-10-08 |
| KR20110129385A (ko) | 2011-12-01 |
| US8204443B2 (en) | 2012-06-19 |
| KR101492521B1 (ko) | 2015-02-11 |
| JP2016106447A (ja) | 2016-06-16 |
| CN102308482A (zh) | 2012-01-04 |
| JP2014140183A (ja) | 2014-07-31 |
| US20100197256A1 (en) | 2010-08-05 |
| JP2012517199A (ja) | 2012-07-26 |
| EP2394367A1 (en) | 2011-12-14 |
| WO2010091194A1 (en) | 2010-08-12 |
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