CN100385839C - 基带信号复用电路和在其中控制传输电平的方法 - Google Patents
基带信号复用电路和在其中控制传输电平的方法 Download PDFInfo
- Publication number
- CN100385839C CN100385839C CNB991263480A CN99126348A CN100385839C CN 100385839 C CN100385839 C CN 100385839C CN B991263480 A CNB991263480 A CN B991263480A CN 99126348 A CN99126348 A CN 99126348A CN 100385839 C CN100385839 C CN 100385839C
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- baseband signal
- baseband
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 69
- 238000001228 spectrum Methods 0.000 claims description 51
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 230000000295 complement effect Effects 0.000 claims description 22
- 230000007480 spreading Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 238000007792 addition Methods 0.000 claims description 16
- 230000013011 mating Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 33
- 238000010586 diagram Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP359586/1998 | 1998-12-17 | ||
JP35958698A JP3317259B2 (ja) | 1998-12-17 | 1998-12-17 | ベースバンド信号多重回路とその送信レベル制御方法 |
JP359586/98 | 1998-12-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1258144A CN1258144A (zh) | 2000-06-28 |
CN100385839C true CN100385839C (zh) | 2008-04-30 |
Family
ID=18465259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB991263480A Expired - Fee Related CN100385839C (zh) | 1998-12-17 | 1999-12-16 | 基带信号复用电路和在其中控制传输电平的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7031289B1 (zh) |
EP (1) | EP1011207B1 (zh) |
JP (1) | JP3317259B2 (zh) |
KR (1) | KR100370993B1 (zh) |
CN (1) | CN100385839C (zh) |
AU (1) | AU757578B2 (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3585808B2 (ja) * | 2000-04-06 | 2004-11-04 | 三菱電機株式会社 | 多重通信システム |
DE60025895T2 (de) * | 2000-10-23 | 2006-10-19 | Lucent Technologies Inc. | Verfahren und Vorrichtung zum Anpassen von Sendepegeln in Übertragungssystemen |
JP4558225B2 (ja) * | 2001-02-15 | 2010-10-06 | 株式会社日立国際電気 | 符号分割多重アクセス受信機 |
JP3997890B2 (ja) | 2001-11-13 | 2007-10-24 | 松下電器産業株式会社 | 送信方法及び送信装置 |
JP2004159221A (ja) * | 2002-11-08 | 2004-06-03 | Renesas Technology Corp | 通信用半導体集積回路および無線通信システム |
JP2005347922A (ja) | 2004-06-01 | 2005-12-15 | Nec Corp | 送信信号生成回路および無線基地局通信装置 |
JP2006042050A (ja) | 2004-07-28 | 2006-02-09 | Nec Corp | 送信装置およびピーク低減方法 |
CN100372343C (zh) * | 2004-08-02 | 2008-02-27 | 北京天碁科技有限公司 | 数字脉冲成型滤波器输出增益的控制装置 |
JP2007019594A (ja) | 2005-07-05 | 2007-01-25 | Nec Corp | 無線基地局及び送信電力調整方法 |
US8416879B2 (en) | 2005-12-01 | 2013-04-09 | Broadcom Corporation | System and method providing signal combining to support multimode communication |
KR100730086B1 (ko) * | 2006-07-10 | 2007-06-19 | 삼성전기주식회사 | 듀얼 시스템 송수신장치 |
JP2008277908A (ja) * | 2007-04-25 | 2008-11-13 | Mitsubishi Electric Corp | デジタルプレディストータ |
US20090153250A1 (en) * | 2007-12-12 | 2009-06-18 | Ahmadreza Rofougaran | Method and system for scaling supply, device size, and load of a power amplifier |
JP2010016622A (ja) * | 2008-07-03 | 2010-01-21 | Oki Electric Ind Co Ltd | 符号分割多重信号送信装置及び符号分割多重方法 |
JP5137793B2 (ja) * | 2008-11-26 | 2013-02-06 | 日本無線株式会社 | レベル調整回路 |
KR101283807B1 (ko) | 2009-12-15 | 2013-07-08 | 한국전자통신연구원 | 다중 반송파 시스템 및 다중 반송파 수신 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0879132A (ja) * | 1994-09-05 | 1996-03-22 | Matsushita Commun Ind Co Ltd | スペクトル拡散方式通信装置 |
JPH10229377A (ja) * | 1997-02-13 | 1998-08-25 | Anritsu Corp | 試験信号発生装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54157407A (en) * | 1978-06-02 | 1979-12-12 | Hitachi Ltd | Level control unit for time-division exchange |
CA1266707A (en) | 1985-12-16 | 1990-03-13 | Steve S. Yang | Method of calibrating and equalizing a multi-channel automatic gain control amplifier |
JPH06327035A (ja) | 1993-05-12 | 1994-11-25 | Hitachi Ltd | Muse/ntscコンバータ |
JP3243109B2 (ja) | 1994-02-08 | 2002-01-07 | 日本電信電話株式会社 | スペクトラム拡散無線通信方式 |
KR100252339B1 (ko) | 1994-07-30 | 2000-04-15 | 전주범 | 최소평균자승등화기에잇ㅅ어서수렴상수변환회로 |
KR970011690B1 (ko) * | 1994-11-22 | 1997-07-14 | 삼성전자 주식회사 | 파일럿트 채널을 이용한 대역확산 통신시스템의 데이타 송신기 및 수신기 |
US6122295A (en) | 1995-06-08 | 2000-09-19 | Canon Kabushiki Kaisha | Multi-channel communication |
JP2718398B2 (ja) | 1995-06-30 | 1998-02-25 | 日本電気株式会社 | Cdma基地局送信装置 |
JPH0923207A (ja) | 1995-07-07 | 1997-01-21 | Toshiba Corp | 情報多重化方式 |
US6307868B1 (en) * | 1995-08-25 | 2001-10-23 | Terayon Communication Systems, Inc. | Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops |
US5974041A (en) * | 1995-12-27 | 1999-10-26 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
JPH09238094A (ja) * | 1996-02-29 | 1997-09-09 | Matsushita Electric Ind Co Ltd | Cdma方式無線データ受信装置 |
US6018552A (en) * | 1996-03-06 | 2000-01-25 | Matsushita Electric Industrial Co., Ltd. | Differential detection receiver |
JP3548657B2 (ja) | 1996-10-17 | 2004-07-28 | 株式会社日立製作所 | 多重信号の送信装置 |
JP3537988B2 (ja) * | 1997-03-25 | 2004-06-14 | 松下電器産業株式会社 | 無線送信装置 |
JP3093679B2 (ja) | 1997-06-03 | 2000-10-03 | 三菱電機株式会社 | Cdma通信方法およびcdma通信装置 |
JP2856250B2 (ja) * | 1997-06-27 | 1999-02-10 | 日本電気株式会社 | コード多重通信方式における増幅部利得補償装置 |
JP3843562B2 (ja) | 1997-11-20 | 2006-11-08 | 三菱電機株式会社 | スペクトル拡散通信装置 |
JP2944606B2 (ja) | 1998-02-10 | 1999-09-06 | 埼玉日本電気株式会社 | ピーククリッピング装置 |
JP3109589B2 (ja) | 1998-03-18 | 2000-11-20 | 日本電気株式会社 | Cdma端末の送信パワー調整方法及び装置 |
US6054894A (en) * | 1998-06-19 | 2000-04-25 | Datum Telegraphic Inc. | Digital control of a linc linear power amplifier |
-
1998
- 1998-12-17 JP JP35958698A patent/JP3317259B2/ja not_active Expired - Fee Related
-
1999
- 1999-12-15 EP EP19990125048 patent/EP1011207B1/en not_active Expired - Lifetime
- 1999-12-15 US US09/464,520 patent/US7031289B1/en not_active Expired - Fee Related
- 1999-12-15 AU AU65252/99A patent/AU757578B2/en not_active Ceased
- 1999-12-16 KR KR10-1999-0058365A patent/KR100370993B1/ko not_active IP Right Cessation
- 1999-12-16 CN CNB991263480A patent/CN100385839C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0879132A (ja) * | 1994-09-05 | 1996-03-22 | Matsushita Commun Ind Co Ltd | スペクトル拡散方式通信装置 |
JPH10229377A (ja) * | 1997-02-13 | 1998-08-25 | Anritsu Corp | 試験信号発生装置 |
Also Published As
Publication number | Publication date |
---|---|
AU6525299A (en) | 2000-06-22 |
EP1011207B1 (en) | 2012-05-30 |
AU757578B2 (en) | 2003-02-27 |
JP2000183851A (ja) | 2000-06-30 |
JP3317259B2 (ja) | 2002-08-26 |
CN1258144A (zh) | 2000-06-28 |
KR100370993B1 (ko) | 2003-02-05 |
KR20000057065A (ko) | 2000-09-15 |
EP1011207A3 (en) | 2003-11-05 |
EP1011207A2 (en) | 2000-06-21 |
US7031289B1 (en) | 2006-04-18 |
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Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG) Free format text: FORMER OWNER: NEC CORP. Effective date: 20141201 |
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Effective date of registration: 20141201 Address after: Hongkong, China Patentee after: LENOVO INNOVATIONS Co.,Ltd.(HONG KONG) Address before: Tokyo, Japan Patentee before: NEC Corp. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20171216 |