JP5528335B2 - セルラ・キャリアの変換方法 - Google Patents
セルラ・キャリアの変換方法 Download PDFInfo
- Publication number
- JP5528335B2 JP5528335B2 JP2010514809A JP2010514809A JP5528335B2 JP 5528335 B2 JP5528335 B2 JP 5528335B2 JP 2010514809 A JP2010514809 A JP 2010514809A JP 2010514809 A JP2010514809 A JP 2010514809A JP 5528335 B2 JP5528335 B2 JP 5528335B2
- Authority
- JP
- Japan
- Prior art keywords
- digital
- carrier
- signal
- carrier signal
- analog
- 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 - Fee Related
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Classifications
-
- 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
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/005—Analog to digital conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0052—Digital to analog conversion
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Amplitude Modulation (AREA)
Description
本米国特許出願は、米国特許法(35 U.S.C.)第119条に基づき、2007年6月28日を最初の出願日とする米国仮特許出願第61/007,907号に対する優先権を主張する。米国仮特許出願第61/007,907号は、2007年10月18日に、2007年6月28日出願の米国特許出願第11/819,619号から変更されたものであり、両出願の内容全体が本明細書に組み込まれる。
Claims (9)
- キャリアの変換方法であって、
広帯域信号内の第1の複数のアナログ・キャリア信号を第1の複数のデジタル・キャリア信号に変換するステップ(100)を備え、前記第1の複数のアナログ・キャリア信号の各々は前記広帯域信号におけるそれぞれの周波数にあり、さらに、
前記第1の複数のデジタル・キャリア信号を複数のデジタル・パケット・ストリームにパケット化するステップ(250)と、
前記複数のデジタル・パケット・ストリームを別々の一意な送信機場所に送るステップ(270)と、
前記異なる送信機場所において、少なくとも1つの第1のデジタル・キャリア信号を少なくとも1つの第2のデジタル・キャリア信号に変換するステップ(300)であって、前記少なくとも1つの第2のデジタル・キャリア信号が前記広帯域信号内にある前記少なくとも1つの第1のデジタル・キャリア信号とは異なる周波数を有する、前記変換するステップ(300)とを備える、方法。 - 前記第1のデジタル・キャリア信号をフィルタリングするステップ(200)をさらに備え、
前記変換ステップ(300)は、少なくとも1つのフィルタリングされた第1のデジタル・キャリア信号を変換する、請求項1に記載の方法。 - 広帯域信号を生成するために、前記少なくとも1つの第2のデジタル・キャリア信号をデジタル処理するステップ(50)をさらに備える、請求項1に記載の方法。
- 前記少なくとも1つの第2のデジタル・キャリア信号を少なくとも1つの第2のアナログ・キャリア信号に変換するステップ(400)をさらに備える、請求項1に記載の方法。
- 別個のD/A段において、前記少なくとも1つの第2のデジタル・キャリア信号が前記少なくとも1つの第2のアナログ・キャリア信号に変換される(400)、請求項4に記載の方法。
- 前記少なくとも1つの第2のアナログ・キャリア信号を増幅しフィルタリングするステップ(50)と、
増幅されフィルタリングされた前記少なくとも1つの第2のアナログ・キャリア信号をエンド・ポイントに伝送するステップ(500)とをさらに備える、請求項4に記載の方法。 - 前記第1の複数のアナログ・キャリア信号の少なくとも1つは、符号分割多重アクセス(CDMA)ネットワークにおけるキャリアである、請求項1に記載の方法。
- 前記第1の複数のアナログ・キャリア信号の少なくとも1つは、広帯域符号分割多重アクセス(WCDMA)方式、グローバル・システム・フォー・モバイル・コミュニケーションズ(GSM)方式、およびトーンインWiMax(Worldwide Interoperability for Microwave Access)方式のうちの1方式のキャリアである、請求項1に記載の方法。
- 前記デジタル・パケット・ストリームの少なくとも2つを連結させるステップ(260)をさらに備える、請求項1に記載の方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US790707P | 2007-06-28 | 2007-06-28 | |
US81961907A | 2007-06-28 | 2007-06-28 | |
US61/007,907 | 2007-06-28 | ||
US11/819,619 | 2007-06-28 | ||
US12/155,370 US8428591B2 (en) | 2007-06-28 | 2008-06-03 | Method of translating cellular carriers |
US12/155,370 | 2008-06-03 | ||
PCT/US2008/007942 WO2009005681A2 (en) | 2007-06-28 | 2008-06-26 | Method of translating cellular carriers |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011517371A JP2011517371A (ja) | 2011-06-02 |
JP5528335B2 true JP5528335B2 (ja) | 2014-06-25 |
Family
ID=40226717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010514809A Expired - Fee Related JP5528335B2 (ja) | 2007-06-28 | 2008-06-26 | セルラ・キャリアの変換方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2174414A2 (ja) |
JP (1) | JP5528335B2 (ja) |
KR (1) | KR101149779B1 (ja) |
CN (1) | CN101803178B (ja) |
WO (1) | WO2009005681A2 (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5222144A (en) * | 1991-10-28 | 1993-06-22 | Ford Motor Company | Digital quadrature radio receiver with two-step processing |
US6256303B1 (en) * | 1999-10-15 | 2001-07-03 | Akoo, Inc. | Wireless broadcast link to remote receiver |
JP3590763B2 (ja) * | 2000-09-06 | 2004-11-17 | 日本電信電話株式会社 | ディジタル変調回路およびディジタル復調回路およびディジタル変復調回路 |
JP3800945B2 (ja) * | 2000-11-02 | 2006-07-26 | 株式会社日立製作所 | ソフトウエア無線機 |
WO2004073229A2 (en) * | 2003-01-28 | 2004-08-26 | The Boeing Company | Systems and methods for digital processing of satellite communications data |
GB2403214A (en) * | 2003-06-27 | 2004-12-29 | Univ Sheffield Hallam | Molybdenum-doped aluminium garnets and methods of synthesis |
CN101147368B (zh) * | 2005-03-23 | 2012-04-25 | 高通股份有限公司 | 使用与无线终端的多条无线链路的方法和装置 |
DE602006012823D1 (de) * | 2005-05-04 | 2010-04-22 | Thomson Licensing | Vorrichtung und verfahren zum neusynthetisieren von signalen |
-
2008
- 2008-06-26 JP JP2010514809A patent/JP5528335B2/ja not_active Expired - Fee Related
- 2008-06-26 EP EP08779781A patent/EP2174414A2/en not_active Withdrawn
- 2008-06-26 WO PCT/US2008/007942 patent/WO2009005681A2/en active Application Filing
- 2008-06-26 CN CN2008800225281A patent/CN101803178B/zh not_active Expired - Fee Related
- 2008-06-26 KR KR1020097026972A patent/KR101149779B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2009005681A3 (en) | 2010-04-08 |
WO2009005681A2 (en) | 2009-01-08 |
EP2174414A2 (en) | 2010-04-14 |
CN101803178B (zh) | 2013-03-13 |
KR20100036265A (ko) | 2010-04-07 |
KR101149779B1 (ko) | 2012-06-08 |
JP2011517371A (ja) | 2011-06-02 |
CN101803178A (zh) | 2010-08-11 |
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