KR100738823B1 - 전송기용 변조 방법 - Google Patents

전송기용 변조 방법 Download PDF

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Publication number
KR100738823B1
KR100738823B1 KR1020000043300A KR20000043300A KR100738823B1 KR 100738823 B1 KR100738823 B1 KR 100738823B1 KR 1020000043300 A KR1020000043300 A KR 1020000043300A KR 20000043300 A KR20000043300 A KR 20000043300A KR 100738823 B1 KR100738823 B1 KR 100738823B1
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KR
South Korea
Prior art keywords
mapping scheme
constellation mapping
time slot
time slots
channel quality
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Expired - Fee Related
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KR1020000043300A
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English (en)
Korean (ko)
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KR20010039761A (ko
Inventor
크리스나무씨라제브
리짜오동
나라야나스와미샨칼
러프마르커스
비스와나탄하리쉬
Original Assignee
루센트 테크놀러지스 인크
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Publication of KR20010039761A publication Critical patent/KR20010039761A/ko
Application granted granted Critical
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    • 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
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
KR1020000043300A 1999-07-27 2000-07-27 전송기용 변조 방법 Expired - Fee Related KR100738823B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9/361,430 1999-07-27
US09/361,430 US6490270B1 (en) 1999-07-27 1999-07-27 Modulation method for transmitter
US09/361,430 1999-07-27

Publications (2)

Publication Number Publication Date
KR20010039761A KR20010039761A (ko) 2001-05-15
KR100738823B1 true KR100738823B1 (ko) 2007-07-13

Family

ID=23422030

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020000043300A Expired - Fee Related KR100738823B1 (ko) 1999-07-27 2000-07-27 전송기용 변조 방법

Country Status (9)

Country Link
US (1) US6490270B1 (enExample)
EP (1) EP1073302B1 (enExample)
JP (1) JP2001069189A (enExample)
KR (1) KR100738823B1 (enExample)
CN (1) CN100452660C (enExample)
AU (1) AU4876600A (enExample)
BR (1) BR0002917A (enExample)
CA (1) CA2313817C (enExample)
DE (1) DE60014798T2 (enExample)

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US7215650B1 (en) 1999-08-16 2007-05-08 Viasat, Inc. Adaptive data rate control for narrowcast networks
US7143013B2 (en) * 1999-11-04 2006-11-28 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US7085691B2 (en) * 1999-11-04 2006-08-01 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US7110923B2 (en) * 1999-11-04 2006-09-19 Verticalband, Limited Fast, blind equalization techniques using reliable symbols
US6700926B1 (en) 1999-12-10 2004-03-02 Nokia Corporation Method and apparatus providing bit-to-symbol mapping for space-time codes
WO2001065703A2 (en) * 2000-02-29 2001-09-07 Inari, Inc. High data-rate powerline network system and method
US7016296B2 (en) 2000-10-16 2006-03-21 Broadcom Corporation Adaptive modulation for fixed wireless link in cable transmission system
US6853681B1 (en) 2000-11-28 2005-02-08 Telefonaktiebolaget L M Ericsson (Publ) Using different channel models for different training sequences
JP3811002B2 (ja) * 2000-12-13 2006-08-16 三菱電機株式会社 受信装置
US20020136331A1 (en) * 2001-01-24 2002-09-26 Leif Wilhelmsson Method and apparatus for performing channel estimation with a limiting receiver
US6912249B2 (en) 2001-03-15 2005-06-28 Telefonaktiebolaget L M Ericsson (Publ) Method and system for training a radio receiver
FI20010963A0 (fi) 2001-05-08 2001-05-08 Nokia Corp Adaptiivinen symbolikuvaus matkaviestinjärjestelmässä
US20030123415A1 (en) * 2001-12-31 2003-07-03 Bysted Tommy Kristensen Transport format combination indicator signalling
US6999439B2 (en) * 2002-01-31 2006-02-14 Mitsubishi Denki Kabushiki Kaisha Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced
US7499709B2 (en) * 2002-02-07 2009-03-03 Alcatel-Lucent Usa Inc. Method and apparatus for closed loop transmit diversity in a wireless communications system
US7116944B2 (en) * 2002-02-07 2006-10-03 Lucent Technologies Inc. Method and apparatus for feedback error detection in a wireless communications systems
AU2002329137A1 (en) * 2002-07-03 2004-01-23 Telefonaktiebolaget LM Ericsson )publ) Embedded keying
JP4353774B2 (ja) * 2002-12-04 2009-10-28 パナソニック株式会社 データ送信方法とデータ受信方法およびそれらを用いた送信装置と受信装置
CN100380831C (zh) * 2003-09-23 2008-04-09 四川大学 用于信息安全传输的数字调制解调方法
TWI271071B (en) * 2003-11-06 2007-01-11 Ind Tech Res Inst Communication method of scalable QAM and scalable QAM system
US7301958B2 (en) * 2003-11-26 2007-11-27 Intel Corporation Cycle-efficient TDM timeslot remapping for network processing engines
WO2005109705A1 (en) 2004-05-01 2005-11-17 Neocific, Inc. Methods and apparatus for communication with time-division duplexing
CN1998247B (zh) * 2004-06-30 2012-05-30 桥扬科技有限公司 用于多载波无线系统中功率控制的方法和装置
KR101015708B1 (ko) * 2004-09-14 2011-02-24 삼성전자주식회사 다중반송파 시스템을 위한 적응적 비트/전력 로딩 기법
JP4554451B2 (ja) * 2005-06-29 2010-09-29 京セラ株式会社 通信装置、通信システム、変調方法、及びプログラム
US8693430B2 (en) 2005-09-28 2014-04-08 Neocific, Inc. Method and system for multi-carrier packet communication with reduced overhead
US7948944B2 (en) * 2005-09-28 2011-05-24 Neocific, Inc. Method and system for multi-carrier packet communication with reduced overhead
US7839948B2 (en) * 2005-12-02 2010-11-23 Qualcomm Incorporated Time slicing techniques for variable data rate encoding
CN101594628B (zh) * 2008-05-27 2011-03-16 普天信息技术研究院有限公司 一种上行发送功率可变系统中的信道质量估计方法
US8588086B2 (en) * 2009-11-30 2013-11-19 Qualcomm Incorporated Reverse link data rate indication for satellite-enabled communications systems
WO2014179794A1 (en) * 2013-05-03 2014-11-06 Marvell World Trade Ltd. Beam change and smoothing recommendation in mixed mode wlan systems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0507384A2 (en) * 1991-04-03 1992-10-07 Philips Electronics Uk Limited TDMA transmission system with time slots of different durations
EP0532485A2 (en) * 1991-09-05 1993-03-17 Telefonaktiebolaget L M Ericsson Adaptive resource allocation in a mobile telephone system
US5533004A (en) * 1994-11-07 1996-07-02 Motorola, Inc. Method for providing and selecting amongst multiple data rates in a time division multiplexed system
US5701294A (en) * 1995-10-02 1997-12-23 Telefonaktiebolaget Lm Ericsson System and method for flexible coding, modulation, and time slot allocation in a radio telecommunications network
US5909469A (en) * 1997-08-29 1999-06-01 Telefonaktoebolaget Lm Ericsson Link adaptation method for links using modulation schemes that have different symbol rates

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ES2112318T3 (es) * 1991-06-03 1998-04-01 British Telecomm Sistema de radio.
US6334219B1 (en) * 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
US6320856B1 (en) * 1996-05-23 2001-11-20 Alcatel Usa, Inc. System and method for a multi-host subscriber loop
EP0956718B1 (en) * 1996-10-09 2004-09-29 Alcatel USA Sourcing, L.P. Call management in a wireless telecommunications system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0507384A2 (en) * 1991-04-03 1992-10-07 Philips Electronics Uk Limited TDMA transmission system with time slots of different durations
EP0532485A2 (en) * 1991-09-05 1993-03-17 Telefonaktiebolaget L M Ericsson Adaptive resource allocation in a mobile telephone system
US5533004A (en) * 1994-11-07 1996-07-02 Motorola, Inc. Method for providing and selecting amongst multiple data rates in a time division multiplexed system
US5701294A (en) * 1995-10-02 1997-12-23 Telefonaktiebolaget Lm Ericsson System and method for flexible coding, modulation, and time slot allocation in a radio telecommunications network
US5909469A (en) * 1997-08-29 1999-06-01 Telefonaktoebolaget Lm Ericsson Link adaptation method for links using modulation schemes that have different symbol rates

Also Published As

Publication number Publication date
JP2001069189A (ja) 2001-03-16
EP1073302A1 (en) 2001-01-31
KR20010039761A (ko) 2001-05-15
DE60014798D1 (de) 2004-11-18
BR0002917A (pt) 2001-04-03
EP1073302B1 (en) 2004-10-13
DE60014798T2 (de) 2005-06-09
CN1283004A (zh) 2001-02-07
CA2313817A1 (en) 2001-01-27
CA2313817C (en) 2005-02-15
AU4876600A (en) 2001-02-01
US6490270B1 (en) 2002-12-03
CN100452660C (zh) 2009-01-14

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