AR059205A1 - Un metodo de seleccion dependiente del formato de paquete del modulador mimo-ofdm - Google Patents

Un metodo de seleccion dependiente del formato de paquete del modulador mimo-ofdm

Info

Publication number
AR059205A1
AR059205A1 ARP070100315A ARP070100315A AR059205A1 AR 059205 A1 AR059205 A1 AR 059205A1 AR P070100315 A ARP070100315 A AR P070100315A AR P070100315 A ARP070100315 A AR P070100315A AR 059205 A1 AR059205 A1 AR 059205A1
Authority
AR
Argentina
Prior art keywords
mimo
ofdm modulator
package format
selection dependent
selection
Prior art date
Application number
ARP070100315A
Other languages
English (en)
Inventor
Kim Byoung-Hoon
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AR059205A1 publication Critical patent/AR059205A1/es

Links

Classifications

    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0631—Receiver arrangements
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1835—Buffer management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • H04L25/03242—Methods involving sphere decoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03726—Switching between algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

Sistemas y metodologías que facilitan la velocidad de codigo y el orden de modulacion dependiente de la seleccion de un demodulador adecuado para el paquete de datos recibidos. De acuerdo con diversos aspectos, se describen los sistemas y/o los métodos que hacen posible la seleccion de un esquema de demodulacion optima, de modo tal que la complejidad del receptor de senal no se incremente y se logre el comportamiento optimo del rendimiento de decodificacion.
ARP070100315A 2006-01-23 2007-01-24 Un metodo de seleccion dependiente del formato de paquete del modulador mimo-ofdm AR059205A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76156606P 2006-01-23 2006-01-23

Publications (1)

Publication Number Publication Date
AR059205A1 true AR059205A1 (es) 2008-03-19

Family

ID=38024118

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP070100315A AR059205A1 (es) 2006-01-23 2007-01-24 Un metodo de seleccion dependiente del formato de paquete del modulador mimo-ofdm

Country Status (11)

Country Link
US (1) US8660210B2 (es)
EP (1) EP1977547A2 (es)
JP (2) JP2009524378A (es)
KR (1) KR101004596B1 (es)
CN (1) CN101371486A (es)
AR (1) AR059205A1 (es)
BR (1) BRPI0707201A2 (es)
CA (1) CA2635212A1 (es)
RU (1) RU2419993C2 (es)
TW (1) TWI385988B (es)
WO (1) WO2007087540A2 (es)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8194760B2 (en) 2006-06-01 2012-06-05 Ntt Docomo, Inc. Method and apparatus for distributed space-time coding in wireless radio networks
US7839835B2 (en) 2006-08-22 2010-11-23 Nec Laboratories America, Inc. Quantized precoding over a set of parallel channels
US8027407B2 (en) 2006-11-06 2011-09-27 Ntt Docomo, Inc. Method and apparatus for asynchronous space-time coded transmission from multiple base stations over wireless radio networks
US8059732B2 (en) 2006-11-28 2011-11-15 Ntt Docomo, Inc. Method and apparatus for wideband transmission from multiple non-collocated base stations over wireless radio networks
KR101328281B1 (ko) 2007-01-12 2013-11-14 삼성전자주식회사 다중 안테나 이용하는 이동 통신 시스템에서의 제어채널운용 방법 및 장치
US7944866B2 (en) * 2007-02-05 2011-05-17 Motorola Mobility, Inc. Method and apparatus for offsetting a packet format table
KR20080073196A (ko) * 2007-02-05 2008-08-08 엘지전자 주식회사 Ｍｉｍｏ 시스템에서 효율적인 채널 품질 정보 전송 방법
US8306000B2 (en) * 2007-02-22 2012-11-06 Freescale Semiconductor, Inc. Method of optimising the rank of a MMSE channel equaliser
US20080219370A1 (en) * 2007-03-06 2008-09-11 Texas Instruments Incorporated User equipment feedback structures for mimo ofdma
US8861356B2 (en) 2007-03-13 2014-10-14 Ntt Docomo, Inc. Method and apparatus for prioritized information delivery with network coding over time-varying network topologies
US8064548B2 (en) 2007-05-18 2011-11-22 Ntt Docomo, Inc. Adaptive MaxLogMAP-type receiver structures
JP5337815B2 (ja) * 2007-12-17 2013-11-06 アンワイヤード プラネット エルエルシー 多アンテナ受信機干渉除去方法及び装置
FR2927206B1 (fr) * 2008-02-04 2014-02-14 Groupe Des Ecoles De Telecommunications Get Ecole Nationale Superieure Des Telecommunications Enst Procede de decodage d'un signal transmis dans un systeme multi-antennes, produit programme d'ordinateur et dispositif de decodage correspondants.
US8325840B2 (en) 2008-02-25 2012-12-04 Ntt Docomo, Inc. Tree position adaptive soft output M-algorithm receiver structures
US8279954B2 (en) 2008-03-06 2012-10-02 Ntt Docomo, Inc. Adaptive forward-backward soft output M-algorithm receiver structures
US8873671B2 (en) * 2008-03-26 2014-10-28 Qualcomm Incorporated Method and system for LLR buffer reduction in a wireless communication modem
US8437433B2 (en) 2008-03-28 2013-05-07 Qualcomm Incorporated Zeroing-out LLRs using demod-bitmap to improve performance of modem decoder
US8565329B2 (en) 2008-06-03 2013-10-22 Ntt Docomo, Inc. Soft output M-algorithm receiver structures with generalized survivor selection criteria for MIMO systems
KR101013704B1 (ko) 2008-08-08 2011-02-11 주식회사 세아네트웍스 광대역 무선 통신 시스템에서 데이터 수신 장치 및 방법
US8229443B2 (en) 2008-08-13 2012-07-24 Ntt Docomo, Inc. Method of combined user and coordination pattern scheduling over varying antenna and base-station coordination patterns in a multi-cell environment
US8451951B2 (en) 2008-08-15 2013-05-28 Ntt Docomo, Inc. Channel classification and rate adaptation for SU-MIMO systems
US8705484B2 (en) 2008-08-15 2014-04-22 Ntt Docomo, Inc. Method for varying transmit power patterns in a multi-cell environment
US8542640B2 (en) 2008-08-28 2013-09-24 Ntt Docomo, Inc. Inter-cell approach to operating wireless beam-forming and user selection/scheduling in multi-cell environments based on limited signaling between patterns of subsets of cells
US8855221B2 (en) 2008-09-15 2014-10-07 Ntt Docomo, Inc. Method and apparatus for iterative receiver structures for OFDM/MIMO systems with bit interleaved coded modulation
US8143749B2 (en) * 2008-11-06 2012-03-27 Qualcomm Incorporated Dual current switch detection circuit with selective activation
US9236985B2 (en) * 2009-04-23 2016-01-12 Qualcomm Incorporated Method and apparatus for control and data multiplexing in a MIMO communication system
US9048977B2 (en) * 2009-05-05 2015-06-02 Ntt Docomo, Inc. Receiver terminal driven joint encoder and decoder mode adaptation for SU-MIMO systems
US8345784B2 (en) * 2009-06-05 2013-01-01 Telefonaktiebolaget L M Ericsson (Publ) Reduced-complexity equalization with sphere decoding
US8514961B2 (en) 2010-02-04 2013-08-20 Ntt Docomo, Inc. Method and apparatus for distributed space-time coding in wireless radio networks
KR20120052683A (ko) * 2010-11-16 2012-05-24 한국전자통신연구원 지능형 서비스를 위한 다자간 상황정보 공유 장치 및 방법
JP5487090B2 (ja) * 2010-12-03 2014-05-07 株式会社日立製作所 無線信号処理方法および無線通信装置
WO2013075320A1 (zh) * 2011-11-24 2013-05-30 中兴通讯股份有限公司 一种空分复用接收机及空口信号处理方法
US9112737B2 (en) * 2013-03-06 2015-08-18 Qualcomm Incorporated Systems and methods for determining a channel variation metric
US9467269B2 (en) * 2014-01-06 2016-10-11 Intel IP Corporation Systems and methods for modulation and coding scheme selection and configuration
US10523480B1 (en) * 2018-11-08 2019-12-31 Nxp B.V. K-bit enumerative sphere shaping of multidimensional constellations
US12293292B2 (en) * 2019-03-12 2025-05-06 Samsung Electronics Co., Ltd Multiple-input multiple-output (MIMO) detector selection using neural network
US10826581B1 (en) * 2019-07-19 2020-11-03 Qualcomm Incorporated Machine-learning based method for MIMO detection complexity reduction
US11979822B2 (en) * 2021-07-29 2024-05-07 Qualcomm Incorporated Machine learning based dynamic demodulator selection
US12279208B2 (en) * 2022-06-23 2025-04-15 Qualcomm Incorporated Machine learning (ML)-based dynamic demodulator parameter selection
WO2023249746A1 (en) * 2022-06-23 2023-12-28 Qualcomm Incorporated Machine learning (ml)-based dynamic demodulator selection
US12375964B2 (en) 2022-08-01 2025-07-29 Qualcomm Incorporated Reporting channel state information per user equipment-supported demodulator

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343496A (en) * 1993-09-24 1994-08-30 Bell Communications Research, Inc. Interference suppression in CDMA systems
US6208663B1 (en) 1997-08-29 2001-03-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for block ARQ with reselection of FEC coding and/or modulation
US6785341B2 (en) 2001-05-11 2004-08-31 Qualcomm Incorporated Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
US6975650B2 (en) 2002-02-13 2005-12-13 Interdigital Technology Corporation Transport block set segmentation
ATE452470T1 (de) 2002-05-17 2010-01-15 Mitsubishi Electric Inf Tech Mehrbenutzerdetektionsverfahren mit beschleunigter kugeldekodierung
EP1453262A1 (en) 2003-02-28 2004-09-01 Mitsubishi Electric Information Technology Centre Europe B.V. Iterative MMSE detection
EP2451109A1 (en) 2003-06-30 2012-05-09 Fujitsu Limited Multiple-input multiple-output transmission system
US6918324B2 (en) * 2003-08-08 2005-07-19 Chih-Ching Hsien Hand tool having a bendable holding portion
US7394858B2 (en) 2003-08-08 2008-07-01 Intel Corporation Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system
FR2860666A1 (fr) 2003-10-03 2005-04-08 France Telecom Procede d'emission multi-antennes d'un signal par codes espaces-temps en bloc, procede de recuperation et signal correspondant
KR20060039015A (ko) 2004-02-09 2006-05-04 노키아 코포레이션 스피어 디코딩 기술을 사용하는 신호 검출
GB2411328B (en) 2004-02-23 2007-05-16 Toshiba Res Europ Ltd Adaptive MIMO systems
JP4640793B2 (ja) 2004-05-13 2011-03-02 株式会社エヌ・ティ・ティ・ドコモ 信号分離装置及び信号分離方法
JP4381901B2 (ja) 2004-06-18 2009-12-09 学校法人東京理科大学 通信路推定及びデータ検出方法
EP1762079A1 (en) 2004-06-23 2007-03-14 Qualcomm Incorporated Efficient classification of network packets
US7864880B2 (en) * 2004-10-04 2011-01-04 Regents Of The University Of Minnesota Blind synchronization and demodulation
US7593492B1 (en) * 2006-09-15 2009-09-22 Bae Systems Information And Electronic Systems Integration Inc. Combinational hybrid turbo-MUD

Also Published As

Publication number Publication date
JP2012170085A (ja) 2012-09-06
TW200737862A (en) 2007-10-01
TWI385988B (zh) 2013-02-11
US8660210B2 (en) 2014-02-25
KR20080088652A (ko) 2008-10-02
EP1977547A2 (en) 2008-10-08
CN101371486A (zh) 2009-02-18
CA2635212A1 (en) 2007-08-02
BRPI0707201A2 (pt) 2011-04-26
JP2009524378A (ja) 2009-06-25
WO2007087540A3 (en) 2007-10-18
KR101004596B1 (ko) 2010-12-28
RU2008134518A (ru) 2010-02-27
WO2007087540A2 (en) 2007-08-02
RU2419993C2 (ru) 2011-05-27
US20070195738A1 (en) 2007-08-23

Similar Documents

Publication Publication Date Title
AR059205A1 (es) Un metodo de seleccion dependiente del formato de paquete del modulador mimo-ofdm
JP2020526978A5 (es)
WO2008104801A3 (en) Signal decoding systems
WO2007098482A3 (en) Method and apparatus for selecting cdm or ofdm in a communication system
TW200742281A (en) Flexible time-frequency multiplexing structure for wireless communication
AR040366A1 (es) Mejora del rendimiento de la modulacion jerarquica por desplazamiento de ocho fases (8psk)
WO2009031862A3 (en) Method of generating reference signal in wireless communication system
BRPI0507457A (pt) estimativa de canal para um sistema de comunicação sem fio com múltiplos fluxos paralelos de dados
WO2008038979A3 (en) A method for transmitting information using sequence.
WO2009035297A3 (en) Method of transmitting control information in wireless communication system
DE602004026547D1 (de) Integriertes gps-trägheitssystem
WO2008102877A1 (ja) デジタルデータ送信装置およびデジタルデータ受信装置
RU2011132824A (ru) Конфигурирование каналов управления в системе мобильной связи
ATE554532T1 (de) Verfahren und vorrichtung zur dekodierung von ldpc-codes und kommunikationsvorrichtung mit einer solchen vorrichtung
WO2011046951A3 (en) Methods and apparatus for communicating information using non-coherent and coherent modulation
WO2009036216A3 (en) Multiplexed beacon symbols for a wireless communication system
WO2009157660A3 (ko) 무선통신 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법
WO2008075884A3 (en) Methods of allocating data in a wireless communication system
NZ595435A (en) Improved blind modulation detection
CA2797249A1 (en) Method and apparatus for aperiodically transmitting sounding reference signal
BR0314342A (pt) Estimativa de canal para sistemas de comunicação
WO2008149510A1 (ja) 送信装置、マルチキャリア伝送方法及び受信装置
WO2009004812A1 (ja) 無線通信装置及び無線通信方法
RU2014121497A (ru) Способ передачи фреймов, соответствующие станции и компьютерная программа
WO2011055342A3 (en) Multi-domain network coding

Legal Events

Date Code Title Description
FB Suspension of granting procedure