[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

BRPI0414902A - aparelho de transmissão de rádio, aparelho de recepção de rádio e método de transmissão de rádio - Google Patents

aparelho de transmissão de rádio, aparelho de recepção de rádio e método de transmissão de rádio

Info

Publication number
BRPI0414902A
BRPI0414902A BRPI0414902-5A BRPI0414902A BRPI0414902A BR PI0414902 A BRPI0414902 A BR PI0414902A BR PI0414902 A BRPI0414902 A BR PI0414902A BR PI0414902 A BRPI0414902 A BR PI0414902A
Authority
BR
Brazil
Prior art keywords
radio transmission
radio
section
transmission method
phase rotation
Prior art date
Application number
BRPI0414902-5A
Other languages
English (en)
Inventor
Isamu Yoshii
Masaru Fukuoka
Original Assignee
Matsushita Electric Ind Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of BRPI0414902A publication Critical patent/BRPI0414902A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0682—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using phase diversity (e.g. phase sweeping)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/084—Equal gain combining, only phase adjustments
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

"APARELHO DE TRANSMISSãO DE RáDIO, APARELHO DE RECEPçãO DE RáDIO E MéTODO DE TRANSMISSãO DE RáDIO". A presente invenção refere-se a um aparelho de transmissão de rádio capaz de melhorar o efeito de diversidade. Neste aparelho, uma seção de rotação de fase (102) executa um processamento de rotação de fase de 40,6<0> = 26,6<0> + 14,0<0>, os intercaladores (106, 111) executam um processamento de intercalação de duas vezes antes do processamento de combinação de IQ executado em uma seção de combinação (107) e após o processamento de separação de IQ executado em uma seção de separação de IQ (108), e o símbolo de modulação original obtido em uma seção de mapeamento (101) é por meio disto disperso e mapeado para/em pontos de sinal de um nível de modulação M-ário mais alto em duas posições ou mais (por exemplo, de um símbolo de QPSK para símbolos de 256QAM).
BRPI0414902-5A 2003-09-30 2004-09-29 aparelho de transmissão de rádio, aparelho de recepção de rádio e método de transmissão de rádio BRPI0414902A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003341653 2003-09-30
PCT/JP2004/014216 WO2005032021A1 (ja) 2003-09-30 2004-09-29 無線送信装置、無線受信装置及び無線送信方法

Publications (1)

Publication Number Publication Date
BRPI0414902A true BRPI0414902A (pt) 2006-11-07

Family

ID=34386229

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0414902-5A BRPI0414902A (pt) 2003-09-30 2004-09-29 aparelho de transmissão de rádio, aparelho de recepção de rádio e método de transmissão de rádio

Country Status (7)

Country Link
US (1) US7545873B2 (pt)
EP (1) EP1667349A4 (pt)
JP (1) JPWO2005032021A1 (pt)
KR (1) KR20060097721A (pt)
CN (1) CN1846382A (pt)
BR (1) BRPI0414902A (pt)
WO (1) WO2005032021A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080192857A1 (en) * 2004-12-28 2008-08-14 Matsushita Electric Industrial Co., Ltd. Wireless Receiving Apparatus, Wireless Transmitting Apparatus, and Interference Signal Removing Method
WO2006077933A1 (ja) * 2005-01-21 2006-07-27 Matsushita Electric Industrial Co., Ltd. 無線通信装置及び無線通信方法
US7965697B2 (en) * 2005-08-22 2011-06-21 Electronics & Telecommunications Research Institute Apparatus and method for generating signal according to IFDMA, and apparatus for receiving signal
JP4641233B2 (ja) * 2005-09-14 2011-03-02 ルネサスエレクトロニクス株式会社 復調装置及び復調方法
JP5214124B2 (ja) 2006-08-17 2013-06-19 三星電子株式会社 通信システム、通信装置、尤度計算方法、及びプログラム
KR100957341B1 (ko) * 2006-10-31 2010-05-12 삼성전자주식회사 무선 통신 시스템에서 신호 송신 방법
KR100809604B1 (ko) * 2006-12-06 2008-03-04 한국전자통신연구원 상호 협력 전송에서 신호점 회전을 이용한 신호 송/수신장치 및 방법
KR20080105355A (ko) * 2007-05-30 2008-12-04 엘지전자 주식회사 신호 송수신 방법 및 신호 송수신 장치
CN101933274B (zh) * 2008-01-29 2014-12-10 皇家飞利浦电子股份有限公司 分组重传和接收的方法以及采用该方法的无线设备
EP2288048A1 (en) * 2009-08-21 2011-02-23 Panasonic Corporation Rotated multi-dimensional constellations for improved diversity in fading channels
EP2536054A1 (en) * 2011-06-16 2012-12-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Transmitter and receiver using non-adjacent component interleaving
US8982927B2 (en) 2011-11-10 2015-03-17 Panasonic Corporation Transmitting method, receiving method, transmitter and receiver
EP2597837A1 (en) * 2011-11-25 2013-05-29 Panasonic Corporation Improved cell interleaving and component separation for rotated constellations
EP2690813A1 (en) * 2012-07-27 2014-01-29 Panasonic Corporation Transparent component interleaving for rotated constellations
WO2014017101A1 (ja) 2012-07-27 2014-01-30 パナソニック株式会社 送信方法、送信機、受信方法、及び受信機
EP3419193A1 (en) * 2016-02-15 2018-12-26 Fujitsu Limited Information transmission method, device and communication system suitable for non-orthogonal multiple access
WO2020250398A1 (ja) * 2019-06-13 2020-12-17 株式会社Ｎｔｔドコモ 通信装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923711A (en) * 1996-04-02 1999-07-13 Zenith Electronics Corporation Slice predictor for a signal receiver
US6185594B1 (en) * 1998-02-05 2001-02-06 Agilent Technologies Inc. Versatile signal generator
JP3549788B2 (ja) * 1999-11-05 2004-08-04 三菱電機株式会社 多段符号化方法、多段復号方法、多段符号化装置、多段復号装置およびこれらを用いた情報伝送システム
US6687307B1 (en) * 2000-02-24 2004-02-03 Cisco Technology, Inc Low memory and low latency cyclic prefix addition
JP4765227B2 (ja) * 2001-08-21 2011-09-07 富士通株式会社 Ｏｆｄｍ受信装置
JP2003101972A (ja) * 2001-09-21 2003-04-04 Sanyo Electric Co Ltd Ｔｍｃｃ復号回路
US7450662B2 (en) * 2004-07-08 2008-11-11 Beceem Communications Inc. Method and system for maximum transmit diversity

Also Published As

Publication number Publication date
WO2005032021A1 (ja) 2005-04-07
EP1667349A1 (en) 2006-06-07
CN1846382A (zh) 2006-10-11
JPWO2005032021A1 (ja) 2007-11-15
US7545873B2 (en) 2009-06-09
US20070135049A1 (en) 2007-06-14
EP1667349A4 (en) 2011-03-02
KR20060097721A (ko) 2006-09-14

Similar Documents

Publication Publication Date Title
BRPI0414902A (pt) aparelho de transmissão de rádio, aparelho de recepção de rádio e método de transmissão de rádio
BRPI0512579A (pt) dispositivo de transmissão sem fio, dispositivo de recepção sem fio e método de arranjo de sìmbolo
WO2007094519A3 (en) Radio-communication device and radio-communication method
WO2009038392A3 (en) Apparatus and method for resource remapping and regrouping in a wireless communication system
ATE504983T1 (de) Digitaler empfänger zur implementierung von sdr (software-defined radio)
EP1879342A3 (en) Calculation of quadrature error compensation values
MX2012001873A (es) Metodo de determinacion de recursos de señal.
TW200742281A (en) Flexible time-frequency multiplexing structure for wireless communication
BR112017019486A2 (pt) dl baseado em dmrs para latência baixa
WO2009154384A3 (ko) 디지털 송수신 시스템에서 적응/가변형 변복조 장치
WO2014006515A3 (en) Highly-spectrally-efficient reception using orthogonal frequency division multiplexing
WO2008084444A3 (en) Method, apparatus and computer program to signal additional modulation scheme without additional signalling overhead
MX2012007390A (es) Metodo de mapeo de puerto de antena y dispositivo para desmodular señales de referencia.
WO2008042134A3 (en) Performing a coordinate rotation digital computer (cordic) operation for amplitude modulation (am) demodulation
BRPI0517364A (pt) método e aparelho para criptografia de comunicação pelo ar em sistema de comunicação sem fio
WO2009036216A3 (en) Multiplexed beacon symbols for a wireless communication system
MX2018012812A (es) Nodo de red de radio, dispositivo inalambrico y metodos para la configuracion de la señal de referencia.
EP3864791A4 (en) UPLINK LOW PEAK-TO-AVERAGE (PAPR) POWER RATIO DEMODULATION REFERENCE SIGNAL (DMRS) SEQUENCE DESIGN
EP2190140A3 (en) A code multiplexing method and system for high speed downlink shared channel
EP2744142A3 (en) Orthogonal frequency division multiplexing (OFDM) with variable bit loading and time and/or frequency interleaving
BR112016006089A2 (pt) método e aparelho para sinalização de transmissão
WO2007008299A3 (en) Method and apparatus to facilitate transmission of multiple data streams
BR9907026A (pt) Aparelho de comunicação por rádio e método de mudança de antena de transmissão
US20120093262A1 (en) Method and apparatus of modulating signal in broadcasting and communication system
BR0316767A (pt) Método de modulação usando decisão hard para modulação de amplitude em quadratura e equipamento correspondente

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.