JP4434034B2 - 適応変調方式に適したベースバンド復調アーキテクチャ - Google Patents

適応変調方式に適したベースバンド復調アーキテクチャ Download PDF

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Publication number
JP4434034B2
JP4434034B2 JP2005041530A JP2005041530A JP4434034B2 JP 4434034 B2 JP4434034 B2 JP 4434034B2 JP 2005041530 A JP2005041530 A JP 2005041530A JP 2005041530 A JP2005041530 A JP 2005041530A JP 4434034 B2 JP4434034 B2 JP 4434034B2
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Japan
Prior art keywords
data
demodulation
signal
wireless communication
memory
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Expired - Fee Related
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JP2005041530A
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English (en)
Japanese (ja)
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JP2006229635A5 (enExample
JP2006229635A (ja
Inventor
芽衣 鈴木
潔 川本
讓一 斎藤
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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2005041530A priority Critical patent/JP4434034B2/ja
Priority to US11/288,322 priority patent/US8085735B2/en
Priority to KR20050130594A priority patent/KR101145448B1/ko
Priority to CN2005101377951A priority patent/CN1822529B/zh
Publication of JP2006229635A publication Critical patent/JP2006229635A/ja
Publication of JP2006229635A5 publication Critical patent/JP2006229635A5/ja
Application granted granted Critical
Publication of JP4434034B2 publication Critical patent/JP4434034B2/ja
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    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • 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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • 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
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
JP2005041530A 2005-02-18 2005-02-18 適応変調方式に適したベースバンド復調アーキテクチャ Expired - Fee Related JP4434034B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005041530A JP4434034B2 (ja) 2005-02-18 2005-02-18 適応変調方式に適したベースバンド復調アーキテクチャ
US11/288,322 US8085735B2 (en) 2005-02-18 2005-11-29 Baseband demodulation architecture for adaptive modulation method
KR20050130594A KR101145448B1 (ko) 2005-02-18 2005-12-27 적응 변조 방식에 적합한 베이스밴드 복조 아키텍처
CN2005101377951A CN1822529B (zh) 2005-02-18 2005-12-28 适用于自适应调制方式的基带解调架构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005041530A JP4434034B2 (ja) 2005-02-18 2005-02-18 適応変調方式に適したベースバンド復調アーキテクチャ

Publications (3)

Publication Number Publication Date
JP2006229635A JP2006229635A (ja) 2006-08-31
JP2006229635A5 JP2006229635A5 (enExample) 2008-04-24
JP4434034B2 true JP4434034B2 (ja) 2010-03-17

Family

ID=36923622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005041530A Expired - Fee Related JP4434034B2 (ja) 2005-02-18 2005-02-18 適応変調方式に適したベースバンド復調アーキテクチャ

Country Status (4)

Country Link
US (1) US8085735B2 (enExample)
JP (1) JP4434034B2 (enExample)
KR (1) KR101145448B1 (enExample)
CN (1) CN1822529B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107153526A (zh) * 2017-04-20 2017-09-12 浙江工业大学 一种流式计算环境下的并行数据回流方法

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* Cited by examiner, † Cited by third party
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US8213548B2 (en) * 2006-04-04 2012-07-03 Qualcomm Incorporated Methods and apparatus for dynamic packet reordering
US8139612B2 (en) * 2006-04-04 2012-03-20 Qualcomm Incorporated Methods and apparatus for dynamic packet mapping
US8583132B2 (en) * 2006-05-18 2013-11-12 Qualcomm Incorporated Efficient channel structure for a wireless communication system
KR101352980B1 (ko) * 2006-11-01 2014-01-22 삼성전자주식회사 하향링크 제어 및 패킷 데이터 송수신 방법 및 장치
CN101198053B (zh) * 2006-12-08 2010-05-19 中兴通讯股份有限公司 一种编码器中的视频数据自适应分割装置
US8300721B2 (en) * 2007-03-14 2012-10-30 Agilent Technologies, Inc. Pseudorandom noise code acquisition in direct sequence spread spectrum systems
JP5042156B2 (ja) 2008-07-30 2012-10-03 株式会社日立製作所 無線通信システム、無線通信装置及び無線通信方法
KR102048758B1 (ko) * 2014-11-21 2019-11-26 후아웨이 테크놀러지 컴퍼니 리미티드 정보 송신 방법, 장치 및 기기
US10700820B2 (en) 2017-12-21 2020-06-30 Samsung Electronics Co., Ltd. Modem chips and receivers for performing hybrid automatic repeat request processing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3326292B2 (ja) * 1994-05-24 2002-09-17 株式会社東芝 通信機器及びその通信方法
US7289567B2 (en) * 2001-04-30 2007-10-30 Motorola, Inc. Apparatus and method for transmitting and receiving data using partial chase combining
EP1286491B1 (en) * 2001-08-22 2004-06-30 Matsushita Electric Industrial Co., Ltd. Multichannel ARQ method and apparatus
KR100474682B1 (ko) * 2001-10-31 2005-03-08 삼성전자주식회사 무선통신시스템에서 패킷 재전송을 위한 송수신 장치 및 방법
US6996763B2 (en) * 2003-01-10 2006-02-07 Qualcomm Incorporated Operation of a forward link acknowledgement channel for the reverse link data
US7418064B2 (en) * 2003-02-18 2008-08-26 Qualcomm, Incorporated Systems and methods for hierarchically demodulating and decoding a data signal using a pilot signal and an additional signal
US7376195B2 (en) * 2004-01-23 2008-05-20 Telefonaktiebolaget L M Ericsson (Publ) Digital communication systems having decreased memory
US7331009B2 (en) * 2004-02-13 2008-02-12 Lucent Technologies Inc. Method and apparatus for link error prediction in a communication system
US20060039282A1 (en) * 2004-08-23 2006-02-23 Lucent Technologies, Inc. Outer loop power control for high speed data transmissions
CN101371464A (zh) * 2005-12-14 2009-02-18 艾利森电话股份有限公司 用于扩频接收器的按要求解扩

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107153526A (zh) * 2017-04-20 2017-09-12 浙江工业大学 一种流式计算环境下的并行数据回流方法
CN107153526B (zh) * 2017-04-20 2020-08-18 浙江工业大学 一种流式计算环境下的并行数据回流方法

Also Published As

Publication number Publication date
CN1822529B (zh) 2012-02-22
US20060193290A1 (en) 2006-08-31
US8085735B2 (en) 2011-12-27
JP2006229635A (ja) 2006-08-31
CN1822529A (zh) 2006-08-23
KR20060093007A (ko) 2006-08-23
KR101145448B1 (ko) 2012-05-16

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