CN1205771C - 传输电路 - Google Patents
传输电路 Download PDFInfo
- Publication number
- CN1205771C CN1205771C CNB011437537A CN01143753A CN1205771C CN 1205771 C CN1205771 C CN 1205771C CN B011437537 A CNB011437537 A CN B011437537A CN 01143753 A CN01143753 A CN 01143753A CN 1205771 C CN1205771 C CN 1205771C
- Authority
- CN
- China
- Prior art keywords
- gain
- transmission
- circuit
- gain factor
- multiplier
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 228
- 238000001228 spectrum Methods 0.000 claims description 46
- 238000012937 correction Methods 0.000 claims description 44
- 241001269238 Data Species 0.000 claims description 36
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 101100202502 Caenorhabditis elegans scd-2 gene Proteins 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 101100400452 Caenorhabditis elegans map-2 gene Proteins 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0077—Multicode, e.g. multiple codes assigned to one user
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000387598A JP3956085B2 (ja) | 2000-12-20 | 2000-12-20 | 送信回路 |
JP387598/00 | 2000-12-20 | ||
JP387598/2000 | 2000-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1360411A CN1360411A (zh) | 2002-07-24 |
CN1205771C true CN1205771C (zh) | 2005-06-08 |
Family
ID=18854496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011437537A Expired - Fee Related CN1205771C (zh) | 2000-12-20 | 2001-12-19 | 传输电路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7023897B2 (zh) |
EP (1) | EP1217759B1 (zh) |
JP (1) | JP3956085B2 (zh) |
CN (1) | CN1205771C (zh) |
DE (1) | DE60117672T2 (zh) |
HK (1) | HK1048404B (zh) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60211753T2 (de) * | 2002-01-29 | 2006-12-28 | Mitsubishi Denki K.K. | Übertragung eines Additional Dedicated Physical Control CHannel (ADPCCH) in einem W-CDMA System |
US8428181B2 (en) * | 2002-12-02 | 2013-04-23 | Research In Motion Limited | Method and apparatus for optimizing transmitter power efficiency |
CN100413210C (zh) * | 2003-07-08 | 2008-08-20 | 松下电器产业株式会社 | 调制电路设备、调制方法和无线电通信设备 |
JP4371830B2 (ja) * | 2004-01-27 | 2009-11-25 | 富士通株式会社 | 歪補償増幅装置および基地局 |
KR100595652B1 (ko) * | 2004-02-12 | 2006-07-03 | 엘지전자 주식회사 | 이동 통신 단말기의 송신 전력 제어 장치 및 방법 |
US7333563B2 (en) | 2004-02-20 | 2008-02-19 | Research In Motion Limited | Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios |
JP4222957B2 (ja) * | 2004-03-01 | 2009-02-12 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 送信電力制御方法および装置 |
KR100769312B1 (ko) * | 2004-06-16 | 2007-10-24 | 미쓰비시덴키 가부시키가이샤 | 통신 장치 |
JP4506310B2 (ja) * | 2004-07-05 | 2010-07-21 | 富士通株式会社 | W−cdma通信端末用上り伝送情報識別コード選択制御回路 |
US7359680B2 (en) * | 2004-09-14 | 2008-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Delay calibration in polar modulation transmitters |
US7376173B2 (en) * | 2004-09-27 | 2008-05-20 | Mitsubishi Electric Research Laboratories, Inc. | Unambiguously encoding and decoding signals for wireless channels |
US7907671B2 (en) * | 2004-12-03 | 2011-03-15 | Motorola Mobility, Inc. | Method and system for scaling a multi-channel signal |
KR100678192B1 (ko) | 2005-02-04 | 2007-02-02 | 삼성전자주식회사 | 이동통신 시스템에서 전용 물리 채널들의 이득인자 설정방법 및 장치 |
US8169890B2 (en) * | 2005-07-20 | 2012-05-01 | Qualcomm Incorporated | Systems and method for high data rate ultra wideband communication |
EP1931056A4 (en) * | 2005-09-28 | 2014-04-23 | Nec Corp | MODULATOR, FILTER, FILTER GAIN CONTROL METHOD AND CODEMODULATION METHOD |
US8761305B2 (en) | 2006-06-14 | 2014-06-24 | Blackberry Limited | Input drive control for switcher regulated power amplifier modules |
US8195217B2 (en) | 2006-08-22 | 2012-06-05 | Huawei Technologies Co., Ltd. | Method and apparatus for controlling power of uplink physical channel |
CN100471085C (zh) * | 2006-08-22 | 2009-03-18 | 华为技术有限公司 | 上行物理信道的功率控制方法及装置 |
JP5396874B2 (ja) * | 2009-01-21 | 2014-01-22 | 日本電気株式会社 | 端末装置および送信電力制御方法ならびにディジタル信号処理装置 |
FR2946206B1 (fr) * | 2009-05-29 | 2015-02-27 | Alcatel Lucent | Transmetteur de donnees multi-format |
US8861627B2 (en) * | 2009-07-15 | 2014-10-14 | Fujitsu Limited | Direct mm-wave m-ary quadrature amplitude modulation (QAM) modulator operating in saturated power mode |
CN102026350B (zh) * | 2009-09-23 | 2014-08-13 | 中兴通讯股份有限公司 | 功率调整的方法及终端 |
US8903092B2 (en) * | 2010-06-04 | 2014-12-02 | Maxim Integrated Products, Inc. | High speed digital to analog converter with reduced spurious outputs |
US8620238B2 (en) | 2010-07-23 | 2013-12-31 | Blackberry Limited | Method of power amplifier switching power control using post power amplifier power detection |
WO2012064100A2 (ko) * | 2010-11-09 | 2012-05-18 | 엘지전자 주식회사 | 무선통신 시스템에서 전력상태보고를 전송하기 위한 방법 및 이를 위한 단말 장치 |
CN102438302B (zh) * | 2011-12-13 | 2016-03-09 | 华为技术有限公司 | 下行信号处理装置及其处理方法 |
EP2690094A1 (en) | 2012-07-24 | 2014-01-29 | Centro Atlantico del Medicamento S.A (Ceamed, S.A) | Fused quinonic compounds |
US9525444B2 (en) * | 2013-07-19 | 2016-12-20 | Analog Devices Global | Adaptive element shuffler |
US11212141B2 (en) * | 2016-01-07 | 2021-12-28 | Qualcomm Incorporated | Methods and apparatus for a data transmission scheme for Narrow-Band Internet of Things (NB-IoT) |
KR20200001147U (ko) | 2018-11-26 | 2020-06-03 | 더인터맥스(주) | 휴대성을 가지는 의류 |
CN110708268B (zh) * | 2019-09-25 | 2021-08-27 | 维沃移动通信有限公司 | 一种信号调制装置及终端 |
KR20200001459U (ko) | 2020-06-25 | 2020-07-01 | 더인터맥스(주) | 휴대성을 가지는 의류 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP4185601B2 (ja) | 1998-10-30 | 2008-11-26 | 株式会社日立国際電気 | 送信電力制御方法及び送信電力制御装置及びそれを備えた基地局 |
US6904290B1 (en) | 1999-09-30 | 2005-06-07 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for transmit power control |
GB9923207D0 (en) | 1999-10-01 | 1999-12-08 | Lucent Technologies Inc | Power offset assignment for the physical control channel in universal mobile telecommunications systems (UMTS) |
JP2002033629A (ja) * | 2000-07-14 | 2002-01-31 | Nec Corp | 利得可変増幅回路、およびそれを備えた端末装置 |
JP2002033716A (ja) * | 2000-07-18 | 2002-01-31 | Sony Corp | Cdma拡散方法およびcdma端末装置 |
ATE287142T1 (de) * | 2000-08-01 | 2005-01-15 | Ericsson Telefon Ab L M | Amplitudenbegrenzung |
-
2000
- 2000-12-20 JP JP2000387598A patent/JP3956085B2/ja not_active Expired - Fee Related
-
2001
- 2001-12-18 US US10/020,186 patent/US7023897B2/en not_active Expired - Fee Related
- 2001-12-19 DE DE2001617672 patent/DE60117672T2/de not_active Expired - Lifetime
- 2001-12-19 CN CNB011437537A patent/CN1205771C/zh not_active Expired - Fee Related
- 2001-12-19 EP EP20010130226 patent/EP1217759B1/en not_active Expired - Lifetime
-
2003
- 2003-01-15 HK HK03100381.4A patent/HK1048404B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1217759B1 (en) | 2006-03-08 |
JP3956085B2 (ja) | 2007-08-08 |
US20020075943A1 (en) | 2002-06-20 |
DE60117672T2 (de) | 2006-08-17 |
HK1048404A1 (en) | 2003-03-28 |
EP1217759A2 (en) | 2002-06-26 |
DE60117672D1 (de) | 2006-05-04 |
US7023897B2 (en) | 2006-04-04 |
EP1217759A3 (en) | 2004-04-07 |
HK1048404B (zh) | 2005-11-25 |
JP2002190840A (ja) | 2002-07-05 |
CN1360411A (zh) | 2002-07-24 |
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Legal Events
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C06 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG) Free format text: FORMER OWNER: NEC CORP. Effective date: 20141127 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: HONG KONG, CHINA |
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TR01 | Transfer of patent right |
Effective date of registration: 20141127 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 |
Granted publication date: 20050608 Termination date: 20171219 |
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CF01 | Termination of patent right due to non-payment of annual fee |