CN1334664A - 无线通信设备 - Google Patents
无线通信设备 Download PDFInfo
- Publication number
- CN1334664A CN1334664A CN01124905A CN01124905A CN1334664A CN 1334664 A CN1334664 A CN 1334664A CN 01124905 A CN01124905 A CN 01124905A CN 01124905 A CN01124905 A CN 01124905A CN 1334664 A CN1334664 A CN 1334664A
- Authority
- CN
- China
- Prior art keywords
- frequency
- signal
- frequency band
- end part
- freuqncy signal
- 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.)
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Classifications
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- 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
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
-
- 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
- H04B1/0067—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 one or more circuit blocks in common for different bands
- H04B1/0071—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 one or more circuit blocks in common for different bands using a common intermediate frequency 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
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- 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
- H04B7/12—Frequency 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
Abstract
Description
Claims (19)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP215788/2000 | 2000-07-17 | ||
JP2000215788A JP4348498B2 (ja) | 2000-07-17 | 2000-07-17 | 無線通信機器 |
JP215790/00 | 2000-07-17 | ||
JP215789/00 | 2000-07-17 | ||
JP215790/2000 | 2000-07-17 | ||
JP2000215789A JP4407017B2 (ja) | 2000-07-17 | 2000-07-17 | 無線通信機器 |
JP215789/2000 | 2000-07-17 | ||
JP2000215790A JP4344904B2 (ja) | 2000-07-17 | 2000-07-17 | 無線通信機器 |
JP215788/00 | 2000-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1334664A true CN1334664A (zh) | 2002-02-06 |
CN100428706C CN100428706C (zh) | 2008-10-22 |
Family
ID=27344079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011249056A Expired - Lifetime CN100428706C (zh) | 2000-07-17 | 2001-07-17 | 无线通信设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6992990B2 (zh) |
EP (1) | EP1176709B1 (zh) |
KR (3) | KR100796083B1 (zh) |
CN (1) | CN100428706C (zh) |
CA (1) | CA2353143C (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100403663C (zh) * | 2002-04-23 | 2008-07-16 | 索尼株式会社 | 无线通信方法和无线通信装置 |
CN101971512A (zh) * | 2008-02-29 | 2011-02-09 | 感应动力股份公司 | 将亚微米技术用于时分多址通讯中隐性方向控制的射频发送接收器前端 |
CN101222465B (zh) * | 2006-10-06 | 2011-08-03 | 索尼株式会社 | 接收设备、接收方法以及程序 |
US8060148B2 (en) | 2005-09-27 | 2011-11-15 | Lenovo (Beijing) Limited | Method and appratus for wirelessly transmitting display signals, and display device |
US8213867B2 (en) | 2005-07-27 | 2012-07-03 | T-Mobile Usa, Inc. | Frequency band adaptive wireless communication |
CN107508605A (zh) * | 2016-06-14 | 2017-12-22 | 仁宝电脑工业股份有限公司 | 移动装置 |
US10469205B2 (en) | 2005-07-27 | 2019-11-05 | T-Mobile Usa, Inc. | Application-based multi-band transmission |
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JP2002353740A (ja) * | 2001-05-28 | 2002-12-06 | Hitachi Ltd | 変調用半導体集積回路および発振回路の検査方法 |
US6728517B2 (en) * | 2002-04-22 | 2004-04-27 | Cognio, Inc. | Multiple-input multiple-output radio transceiver |
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2001
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- 2001-07-16 KR KR1020010042798A patent/KR100796083B1/ko active IP Right Grant
- 2001-07-16 CA CA2353143A patent/CA2353143C/en not_active Expired - Lifetime
- 2001-07-17 EP EP01306139.5A patent/EP1176709B1/en not_active Expired - Lifetime
- 2001-07-17 CN CNB011249056A patent/CN100428706C/zh not_active Expired - Lifetime
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2007
- 2007-09-19 KR KR1020070095542A patent/KR100890098B1/ko active IP Right Grant
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2008
- 2008-04-16 KR KR1020080035314A patent/KR100890099B1/ko active IP Right Grant
Cited By (16)
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CN100403663C (zh) * | 2002-04-23 | 2008-07-16 | 索尼株式会社 | 无线通信方法和无线通信装置 |
CN101401480B (zh) * | 2005-07-27 | 2015-07-15 | T-移动网美国有限公司 | 频段自适应的无线通信 |
CN105119687B (zh) * | 2005-07-27 | 2019-06-28 | T-移动网美国有限公司 | 频段自适应无线通信系统及选择频段、传输方法的方法 |
US8213867B2 (en) | 2005-07-27 | 2012-07-03 | T-Mobile Usa, Inc. | Frequency band adaptive wireless communication |
US10595317B2 (en) | 2005-07-27 | 2020-03-17 | T-Mobile Usa, Inc. | Frequency band adaptive wireless communication |
US8583047B2 (en) | 2005-07-27 | 2013-11-12 | T-Mobile Usa, Inc. | Frequency band adaptive wireless communication |
CN105119687A (zh) * | 2005-07-27 | 2015-12-02 | T-移动网美国有限公司 | 频段自适应的无线通信 |
US8958751B2 (en) | 2005-07-27 | 2015-02-17 | T-Mobile Usa, Inc. | Frequency band adaptive wireless communication |
US9609652B2 (en) | 2005-07-27 | 2017-03-28 | T-Mobile Usa, Inc. | Frequency band adaptive wireless communication |
US10469205B2 (en) | 2005-07-27 | 2019-11-05 | T-Mobile Usa, Inc. | Application-based multi-band transmission |
US10028280B2 (en) | 2005-07-27 | 2018-07-17 | T-Mobile Usa, Inc. | Frequency band adaptive wireless communication |
US8060148B2 (en) | 2005-09-27 | 2011-11-15 | Lenovo (Beijing) Limited | Method and appratus for wirelessly transmitting display signals, and display device |
CN101222465B (zh) * | 2006-10-06 | 2011-08-03 | 索尼株式会社 | 接收设备、接收方法以及程序 |
CN101971512B (zh) * | 2008-02-29 | 2013-06-26 | 玛克西姆综合公司 | 隐性方向控制的射频发送接收器前端 |
CN101971512A (zh) * | 2008-02-29 | 2011-02-09 | 感应动力股份公司 | 将亚微米技术用于时分多址通讯中隐性方向控制的射频发送接收器前端 |
CN107508605A (zh) * | 2016-06-14 | 2017-12-22 | 仁宝电脑工业股份有限公司 | 移动装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1176709A2 (en) | 2002-01-30 |
CN100428706C (zh) | 2008-10-22 |
KR100796083B1 (ko) | 2008-01-21 |
KR100890099B1 (ko) | 2009-03-24 |
KR20080042052A (ko) | 2008-05-14 |
CA2353143C (en) | 2010-05-04 |
KR20020008036A (ko) | 2002-01-29 |
EP1176709B1 (en) | 2015-09-02 |
CA2353143A1 (en) | 2002-01-17 |
US20020021685A1 (en) | 2002-02-21 |
US6992990B2 (en) | 2006-01-31 |
KR20070097018A (ko) | 2007-10-02 |
KR100890098B1 (ko) | 2009-03-24 |
EP1176709A3 (en) | 2006-08-02 |
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