CN100428706C - 无线通信设备 - Google Patents
无线通信设备 Download PDFInfo
- Publication number
- CN100428706C CN100428706C CNB011249056A CN01124905A CN100428706C CN 100428706 C CN100428706 C CN 100428706C CN B011249056 A CNB011249056 A CN B011249056A CN 01124905 A CN01124905 A CN 01124905A CN 100428706 C CN100428706 C CN 100428706C
- Authority
- CN
- China
- Prior art keywords
- frequency
- signal
- frequency band
- mac controller
- receives
- 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.)
- Expired - Lifetime
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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
- H04B1/06—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000215790A JP4344904B2 (ja) | 2000-07-17 | 2000-07-17 | 無線通信機器 |
JP215788/2000 | 2000-07-17 | ||
JP215789/2000 | 2000-07-17 | ||
JP215788/00 | 2000-07-17 | ||
JP2000215788A JP4348498B2 (ja) | 2000-07-17 | 2000-07-17 | 無線通信機器 |
JP2000215789A JP4407017B2 (ja) | 2000-07-17 | 2000-07-17 | 無線通信機器 |
JP215790/00 | 2000-07-17 | ||
JP215790/2000 | 2000-07-17 | ||
JP215789/00 | 2000-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1334664A CN1334664A (zh) | 2002-02-06 |
CN100428706C true 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) |
Families Citing this family (67)
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2001
- 2001-07-12 US US09/904,281 patent/US6992990B2/en not_active Expired - Lifetime
- 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 CN CNB011249056A patent/CN100428706C/zh not_active Expired - Lifetime
- 2001-07-17 EP EP01306139.5A patent/EP1176709B1/en not_active Expired - Lifetime
-
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
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1201304A (zh) * | 1997-05-16 | 1998-12-09 | 松下电器产业株式会社 | 双频带数据通信设备 |
Also Published As
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KR100796083B1 (ko) | 2008-01-21 |
US20020021685A1 (en) | 2002-02-21 |
KR20070097018A (ko) | 2007-10-02 |
KR20080042052A (ko) | 2008-05-14 |
EP1176709B1 (en) | 2015-09-02 |
KR100890099B1 (ko) | 2009-03-24 |
CA2353143A1 (en) | 2002-01-17 |
KR20020008036A (ko) | 2002-01-29 |
US6992990B2 (en) | 2006-01-31 |
CA2353143C (en) | 2010-05-04 |
CN1334664A (zh) | 2002-02-06 |
KR100890098B1 (ko) | 2009-03-24 |
EP1176709A2 (en) | 2002-01-30 |
EP1176709A3 (en) | 2006-08-02 |
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