AR057231A1 - Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenas - Google Patents

Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenas

Info

Publication number
AR057231A1
AR057231A1 ARP060105427A ARP060105427A AR057231A1 AR 057231 A1 AR057231 A1 AR 057231A1 AR P060105427 A ARP060105427 A AR P060105427A AR P060105427 A ARP060105427 A AR P060105427A AR 057231 A1 AR057231 A1 AR 057231A1
Authority
AR
Argentina
Prior art keywords
average
estimation
channels
multiple antennas
energy based
Prior art date
Application number
ARP060105427A
Other languages
English (en)
Inventor
Ayman Fawzy Naguib
Dhananjay Ashok Gore
Alexei Gorokhov
Tamer Kadous
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 AR057231A1 publication Critical patent/AR057231A1/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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/022—Channel estimation of frequency response
    • 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

Abstract

Técnicas para facilitar la estimacion de la respuesta de la frecuencia de un canal inalámbrico en un sistema de OFDM. El método y los sistemas permiten la combinacion de la informacion de la senal a través de multiples canales de comunicacion en uno o más retardos de tap de canal, a efectos de determinar taps adecuados para la informacion del canal.
ARP060105427A 2005-12-09 2006-12-07 Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenas AR057231A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74924105P 2005-12-09 2005-12-09
US11/560,735 US8107517B2 (en) 2005-12-09 2006-11-16 Average-tap energy based thresholding for channel estimation in multi antenna systems

Publications (1)

Publication Number Publication Date
AR057231A1 true AR057231A1 (es) 2007-11-21

Family

ID=38139314

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP060105427A AR057231A1 (es) 2005-12-09 2006-12-07 Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenas

Country Status (7)

Country Link
US (1) US8107517B2 (es)
EP (1) EP1966962A2 (es)
JP (1) JP2009518979A (es)
KR (1) KR20080083309A (es)
AR (1) AR057231A1 (es)
TW (1) TW200735552A (es)
WO (1) WO2007117318A2 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8509325B2 (en) * 2008-07-01 2013-08-13 Qualcomm Incorporated Adaptive thresholding for OFDM channel estimation
US9571305B2 (en) * 2012-10-09 2017-02-14 Xiao-an Wang Channel estimation by time-domain parameter extraction
CN112335290A (zh) * 2018-06-18 2021-02-05 Abb瑞士股份有限公司 无线通信系统中的路径选择
US10432272B1 (en) 2018-11-05 2019-10-01 XCOM Labs, Inc. Variable multiple-input multiple-output downlink user equipment
US10659112B1 (en) 2018-11-05 2020-05-19 XCOM Labs, Inc. User equipment assisted multiple-input multiple-output downlink configuration
US10756860B2 (en) 2018-11-05 2020-08-25 XCOM Labs, Inc. Distributed multiple-input multiple-output downlink configuration
US10812216B2 (en) 2018-11-05 2020-10-20 XCOM Labs, Inc. Cooperative multiple-input multiple-output downlink scheduling
CA3119325C (en) 2018-11-27 2023-07-04 XCOM Labs, Inc. Non-coherent cooperative multiple-input multiple-output communications
US10616005B1 (en) * 2018-11-28 2020-04-07 Samsung Electronics Co., Ltd. Robust noise power estimation
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment
US10756782B1 (en) 2019-04-26 2020-08-25 XCOM Labs, Inc. Uplink active set management for multiple-input multiple-output communications
US11032841B2 (en) 2019-04-26 2021-06-08 XCOM Labs, Inc. Downlink active set management for multiple-input multiple-output communications
US10735057B1 (en) 2019-04-29 2020-08-04 XCOM Labs, Inc. Uplink user equipment selection
US10686502B1 (en) 2019-04-29 2020-06-16 XCOM Labs, Inc. Downlink user equipment selection
US11411778B2 (en) 2019-07-12 2022-08-09 XCOM Labs, Inc. Time-division duplex multiple input multiple output calibration
US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation
CN115699605A (zh) 2020-05-26 2023-02-03 艾斯康实验室公司 干扰感知波束成形
KR20230091910A (ko) 2020-10-19 2023-06-23 엑스콤 랩스 인코퍼레이티드 무선 통신 시스템에서의 참조 신호
WO2022093988A1 (en) 2020-10-30 2022-05-05 XCOM Labs, Inc. Clustering and/or rate selection in multiple-input multiple-output communication systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446922A (en) * 1992-12-21 1995-08-29 Motorola, Inc. Method and apparatus for switched diversity reception of a radio signal
SE503522C2 (sv) * 1994-10-31 1996-07-01 Ericsson Telefon Ab L M Förfarande och anordning för kanalestimering
EP0966113B1 (en) * 1998-06-19 2003-12-10 Motorola Semiconducteurs S.A. Method and apparatus for performing equalisation in a radio receiver
US6907092B1 (en) * 2000-07-14 2005-06-14 Comsys Communication & Signal Processing Ltd. Method of channel order selection and channel estimation in a wireless communication system
JP2005328312A (ja) * 2004-05-13 2005-11-24 Ntt Docomo Inc チャネル推定装置、チャネル推定方法及び無線受信機
US7382842B2 (en) * 2004-08-02 2008-06-03 Beceem Communications Inc. Method and system for performing channel estimation in a multiple antenna block transmission system
US7609773B2 (en) * 2005-04-18 2009-10-27 Qualcomm Incorporated Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator

Also Published As

Publication number Publication date
US20070133668A1 (en) 2007-06-14
WO2007117318A2 (en) 2007-10-18
US8107517B2 (en) 2012-01-31
JP2009518979A (ja) 2009-05-07
TW200735552A (en) 2007-09-16
EP1966962A2 (en) 2008-09-10
KR20080083309A (ko) 2008-09-17
WO2007117318A3 (en) 2008-02-14

Similar Documents

Publication Publication Date Title
AR057231A1 (es) Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenas
MA31257B1 (fr) Identification d'espacement de sous-porteuse
EA200970526A1 (ru) Устройство радиопередачи, управляющее устройство, система радиосвязи и способ связи
AR052436A1 (es) Metodos y aparatos para la mitigacion del efecto de correlacion en un sistema de comunicacion de multiples antenas
EP4297483A3 (en) Methods and arrangements for measurement gap configuration
EP3662693A4 (en) GROUP-BASED CONFIGURATION OF BEAM MESSAGE AND CHANNEL STATUS INFORMATION REFERENCE SIGNAL IN NEW RADIO SYSTEMS
MY153306A (en) Multicarrier radio receiver and method for receiving multiple carriers
AR055131A1 (es) Control de potencia de enlace inverso para un sistema ofdma
GB2460609A (en) Sparsed U-TDOA wireless location networks
GB2460610A (en) Sparsed U-TDOA wireless location networks
TW200943778A (en) Antenna array calibration for wireless communication systems
EP3876465A4 (en) METHODS AND APPARATUS FOR CONTROL CHANNEL DETECTION AND TRANSMISSION OF INFORMATION ITEM, DEVICE, AND STORAGE MEDIA
BR112014010979A2 (pt) método e aparelho para adaptação de classificação em um sistema de comunicação de multiplexação por divisão de frequência ortogonal
BRPI0813096A2 (pt) Terminal de equipamento de usuário, aparelho de estação base e método de comunicação de informações de estado de canal.
WO2015047772A3 (en) Power efficient and flexible update rate positioning system
WO2007133625A3 (en) Multi-lingual information retrieval
DE60318851D1 (de) Doppelmodus-shared-ofdm-verfahren/sender, empfänger und -systeme
BRPI0820140A2 (pt) Método para transmitir dados em um canal de rádio, estação base, método em um equipamento de usuário, e, equipamento de usuário
NO20073236L (no) Trafikkinterferenskansellering
TW200644673A (en) Methods and apparatus for selecting communication channels based on channel load information
AR072414A1 (es) Metodo y aparato para senalizacion de vectores de precodificacion
WO2008057584A3 (en) Preamble detection and synchronization in ofdma wireless communication systems
AR080091A2 (es) Metodo de comunicaciones inalambricas para una estacion movil y una estacion movil capaz de comunicar simultaneamente una red de area amplia con una red inalambrica de area local
CL2008001602A1 (es) Metodo y receptor para detectar una senal de radio digital que comprende recibir dicha senal, desarrollar una forma de onda de correlacion con un maximo que corresponde a un limite de simbolo, normalizar dicha forma, calcular el valor maximo e insistir en la senal recibida cuando el maximo excede un umbral predeterminado.
GB2432866A (en) Expandable tubular

Legal Events

Date Code Title Description
FB Suspension of granting procedure