CN100358251C - 具有量化功率的qam - Google Patents

具有量化功率的qam Download PDF

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Publication number
CN100358251C
CN100358251C CNB028093429A CN02809342A CN100358251C CN 100358251 C CN100358251 C CN 100358251C CN B028093429 A CNB028093429 A CN B028093429A CN 02809342 A CN02809342 A CN 02809342A CN 100358251 C CN100358251 C CN 100358251C
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CN
China
Prior art keywords
power level
amplitude modulation
quadrature amplitude
ratio
distance
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
Application number
CNB028093429A
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English (en)
Chinese (zh)
Other versions
CN1518805A (zh
Inventor
S·A·伦比
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Qualcomm Inc
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Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN1518805A publication Critical patent/CN1518805A/zh
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Publication of CN100358251C publication Critical patent/CN100358251C/zh
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    • 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]
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • 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
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/322—Power control of broadcast channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Graft Or Block Polymers (AREA)
  • Pyrane Compounds (AREA)
  • Transmitters (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
CNB028093429A 2001-03-30 2002-03-29 具有量化功率的qam Expired - Fee Related CN100358251C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/823,532 US6735247B2 (en) 2001-03-30 2001-03-30 Method and apparatus in a communication system
US09/823,532 2001-03-30

Publications (2)

Publication Number Publication Date
CN1518805A CN1518805A (zh) 2004-08-04
CN100358251C true CN100358251C (zh) 2007-12-26

Family

ID=25239034

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB028093429A Expired - Fee Related CN100358251C (zh) 2001-03-30 2002-03-29 具有量化功率的qam

Country Status (10)

Country Link
US (1) US6735247B2 (enExample)
EP (1) EP1374441B1 (enExample)
JP (1) JP4109119B2 (enExample)
KR (1) KR100948750B1 (enExample)
CN (1) CN100358251C (enExample)
AT (1) ATE340441T1 (enExample)
BR (1) BR0208490A (enExample)
DE (1) DE60214834T2 (enExample)
TW (1) TWI255117B (enExample)
WO (1) WO2002080402A1 (enExample)

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US20030012226A1 (en) * 2001-07-12 2003-01-16 Allen He Method and apparatus for a blind gain ratio detector
JP3898694B2 (ja) * 2001-10-02 2007-03-28 株式会社日立製作所 シリアルデータ伝送装置
US7587659B2 (en) * 2002-05-31 2009-09-08 Broadcom Corporation Efficient front end memory arrangement to support parallel bit node and check node processing in LDPC (Low Density Parity Check) decoders
DE10306170A1 (de) * 2003-02-13 2004-09-02 Siemens Ag Verfahren zum Einstellen der Sendeleistungen zweier Kanäle einer Verbindung, Station und Kommunikationssystem
US7793233B1 (en) * 2003-03-12 2010-09-07 Microsoft Corporation System and method for customizing note flags
US7746816B2 (en) 2003-03-13 2010-06-29 Qualcomm Incorporated Method and system for a power control in a communication system
JP2006520573A (ja) * 2003-03-13 2006-09-07 クゥアルコム・インコーポレイテッド 通信システムにおけるデータ送信の方法とシステム
US7454763B2 (en) * 2003-03-26 2008-11-18 Microsoft Corporation System and method for linking page content with a video media file and displaying the links
MXPA06001174A (es) * 2003-07-30 2006-04-11 Interdigital Tech Corp Control de potencia de enlace descendente con limite para el rango dinamico utilizando deteccion de pontencia de transmision de enlace descendente.
US7712049B2 (en) * 2004-09-30 2010-05-04 Microsoft Corporation Two-dimensional radial user interface for computer software applications
US7788589B2 (en) * 2004-09-30 2010-08-31 Microsoft Corporation Method and system for improved electronic task flagging and management
TWI394382B (zh) * 2004-11-10 2013-04-21 皇家飛利浦電子股份有限公司 用以操作一通信系統之方法、一無線電台及一無線通信系統
US7349504B2 (en) * 2005-03-18 2008-03-25 Navini Networks, Inc. Method and system for mitigating interference in communication system
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
US7590167B2 (en) * 2005-08-30 2009-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for QAM demodulation in a generalized rake receiver
US7609754B2 (en) * 2005-08-30 2009-10-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for received communication signal processing
CA2625111C (en) * 2005-10-18 2011-10-04 Zte Corporation A soft demodulating method for 16qam in communication system
US7797638B2 (en) * 2006-01-05 2010-09-14 Microsoft Corporation Application of metadata to documents and document objects via a software application user interface
US7747557B2 (en) * 2006-01-05 2010-06-29 Microsoft Corporation Application of metadata to documents and document objects via an operating system user interface
US20070245229A1 (en) * 2006-04-17 2007-10-18 Microsoft Corporation User experience for multimedia mobile note taking
US20070245223A1 (en) * 2006-04-17 2007-10-18 Microsoft Corporation Synchronizing multimedia mobile notes
US7761785B2 (en) 2006-11-13 2010-07-20 Microsoft Corporation Providing resilient links
TW200904015A (en) * 2007-03-15 2009-01-16 Powercast Corp Multiple frequency transmitter, receiver, and systems thereof
US8155241B2 (en) * 2007-12-21 2012-04-10 Mediatek Inc. System for processing common gain values
US7991421B2 (en) * 2008-01-07 2011-08-02 Alcatel-Lucent Usa Inc. Method of dynamic overhead channel power allocation
CN101515919B (zh) * 2008-02-22 2011-06-15 北京大学 一种数字通信方法
US8428188B2 (en) * 2009-06-17 2013-04-23 Techwell, Inc. Carrier phase offset correction for a QAM system
ES2439790T3 (es) * 2009-03-17 2014-01-24 Unwired Planet, Llc Reducción de potencia para transmisiones de enlace ascendente de multiportadora
EP2341445B1 (en) * 2009-12-30 2017-09-06 Intel Deutschland GmbH Method for high speed data transfer
US8682377B1 (en) 2010-08-26 2014-03-25 Sprint Spectrum L.P. Systems and methods for adjusting the power control settings in a wireless communication network
CN103002558B (zh) * 2011-09-16 2016-08-24 华为技术有限公司 数据发送方法和设备
US8860594B2 (en) 2012-05-17 2014-10-14 Brilliant Points, Inc. System and method for digital signaling
WO2014100235A1 (en) * 2012-12-18 2014-06-26 Brilliant Points, Inc. System and method for digital signaling and digital storage
US10318158B2 (en) 2012-05-17 2019-06-11 Brilliant Points, Inc. System and method for digital signaling and digital storage
US9106470B2 (en) * 2012-12-03 2015-08-11 Qualcomm Incorporated Enhanced decoding and demapping method and apparatus for QAM data signals
KR102614447B1 (ko) * 2019-05-31 2023-12-18 삼성전자 주식회사 데이터의 프레임 길이에 기반하여 uwb 전송 신호의 피크 전압을 조절하는 전자 장치 및 전자 장치의 동작 방법

Citations (3)

* Cited by examiner, † Cited by third party
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CN1016556B (zh) * 1985-05-20 1992-05-06 泰利比特公司 用于不良传输媒介的调制解调器结构
CN1078838A (zh) * 1992-05-15 1993-11-24 Rca.汤姆森许可公司 正交调幅电视信号的载波恢复处理器
US6137841A (en) * 1998-05-01 2000-10-24 Nortel Networks Corporation Signal power adjustment for QAM communication systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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US5799005A (en) * 1996-04-30 1998-08-25 Qualcomm Incorporated System and method for determining received pilot power and path loss in a CDMA communication system
US6101179A (en) * 1997-09-19 2000-08-08 Qualcomm Incorporated Accurate open loop power control in a code division multiple access communication system
US6286994B1 (en) * 1998-04-29 2001-09-11 Qualcomm Incorporated System, method and computer program product for controlling a transmit signal using an expected power level
US6587696B1 (en) * 1998-07-31 2003-07-01 Nokia Mobile Phones Limited Power control technique utilizing forward pilot channel
US6498785B1 (en) * 1998-10-02 2002-12-24 Nokia Mobile Phones Ltd Method and apparatus for power control on a common channel in a telecommunication system
US6512925B1 (en) * 1998-12-03 2003-01-28 Qualcomm, Incorporated Method and apparatus for controlling transmission power while in soft handoff
US6377813B1 (en) * 1998-12-03 2002-04-23 Nokia Corporation Forward link closed loop power control for a third generation wideband CDMA system
KR20010105756A (ko) * 2000-05-18 2001-11-29 김형순 통합 응용 프로그램 인터페이스를 사용한 컴퓨터 전화인터페이스 서비스 프로그램 개발 시스템 및 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1016556B (zh) * 1985-05-20 1992-05-06 泰利比特公司 用于不良传输媒介的调制解调器结构
CN1078838A (zh) * 1992-05-15 1993-11-24 Rca.汤姆森许可公司 正交调幅电视信号的载波恢复处理器
US6137841A (en) * 1998-05-01 2000-10-24 Nortel Networks Corporation Signal power adjustment for QAM communication systems

Also Published As

Publication number Publication date
ATE340441T1 (de) 2006-10-15
KR20030087044A (ko) 2003-11-12
CN1518805A (zh) 2004-08-04
EP1374441A1 (en) 2004-01-02
BR0208490A (pt) 2004-08-24
US6735247B2 (en) 2004-05-11
EP1374441B1 (en) 2006-09-20
US20020141505A1 (en) 2002-10-03
TWI255117B (en) 2006-05-11
WO2002080402A1 (en) 2002-10-10
DE60214834T2 (de) 2007-06-14
KR100948750B1 (ko) 2010-03-22
JP2004533156A (ja) 2004-10-28
DE60214834D1 (de) 2006-11-02
HK1064817A1 (zh) 2005-02-04
JP4109119B2 (ja) 2008-07-02

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