AR053922A1 - Metodo y aparato para la seleccion optima de mimo y de cancelacion de la interferencia - Google Patents

Metodo y aparato para la seleccion optima de mimo y de cancelacion de la interferencia

Info

Publication number
AR053922A1
AR053922A1 ARP060102589A ARP060102589A AR053922A1 AR 053922 A1 AR053922 A1 AR 053922A1 AR P060102589 A ARP060102589 A AR P060102589A AR P060102589 A ARP060102589 A AR P060102589A AR 053922 A1 AR053922 A1 AR 053922A1
Authority
AR
Argentina
Prior art keywords
interference
demodulators
types
nullification
receiver
Prior art date
Application number
ARP060102589A
Other languages
English (en)
Spanish (es)
Inventor
Hemanth Sampath
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 AR053922A1 publication Critical patent/AR053922A1/es

Links

Classifications

    • 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
    • H04B7/0413—MIMO systems
    • 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
    • H04B7/0615—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 of weighted versions of same signal
    • H04B7/0619—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 of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0615—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 of weighted versions of same signal
    • H04B7/0619—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 of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0802—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 antenna selection
    • H04B7/0817—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 antenna selection with multiple receivers and antenna path selection
    • 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
    • H04L1/0026—Transmission of channel quality 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
    • H04L1/02—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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0256—Channel estimation using minimum mean square error criteria

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
ARP060102589A 2005-06-16 2006-06-16 Metodo y aparato para la seleccion optima de mimo y de cancelacion de la interferencia AR053922A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69146805P 2005-06-16 2005-06-16

Publications (1)

Publication Number Publication Date
AR053922A1 true AR053922A1 (es) 2007-05-23

Family

ID=37571244

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP060102589A AR053922A1 (es) 2005-06-16 2006-06-16 Metodo y aparato para la seleccion optima de mimo y de cancelacion de la interferencia

Country Status (8)

Country Link
US (1) US8064837B2 (https=)
EP (1) EP1904859B1 (https=)
JP (2) JP4908506B2 (https=)
KR (1) KR100943383B1 (https=)
CN (1) CN101199124B (https=)
AR (1) AR053922A1 (https=)
TW (1) TWI327838B (https=)
WO (1) WO2006138621A2 (https=)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2393250A1 (en) * 2002-12-04 2011-12-07 Interdigital Technology Corporation Reliability detection of channel quality indicator (CQI) and application to outer loop power control
JP3799030B2 (ja) * 2003-05-09 2006-07-19 松下電器産業株式会社 Ｃｄｍａ送信装置およびｃｄｍａ送信方法
US8599945B2 (en) * 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US8223904B2 (en) * 2005-08-22 2012-07-17 Qualcomm Incorporated Multiple hypothesis decoding
US7477914B2 (en) * 2005-12-22 2009-01-13 Rehan Jalil Real-time spectrum management to increase frequency reuse
US8700082B2 (en) * 2006-01-05 2014-04-15 Qualcomm Incorporated Power control utilizing multiple rate interference indications
US8116267B2 (en) * 2006-02-09 2012-02-14 Samsung Electronics Co., Ltd. Method and system for scheduling users based on user-determined ranks in a MIMO system
US7715864B2 (en) * 2006-09-13 2010-05-11 Telefonaktiebolaget L M Ericsson (Publ) Arrangement and method for contention-based multi-access in a wireless communication system
TWI337462B (en) * 2006-09-26 2011-02-11 Realtek Semiconductor Corp Receiver of mimo multi-carrier system and associated apparatus and method for receive antenna selection
US20080181095A1 (en) * 2007-01-29 2008-07-31 Zangi Kambiz C Method and Apparatus for Impairment Correlation Estimation in Multi-Antenna Receivers
JP4858199B2 (ja) * 2007-02-02 2012-01-18 住友電気工業株式会社 無線通信の受信装置及び受信方法
US7817748B2 (en) * 2007-06-12 2010-10-19 Intel Corporation Pragmatic adaptive maximum ratio combining (MRC) and minimum mean square error (MMSE) multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) receiver algorithm
US7747285B2 (en) * 2007-07-11 2010-06-29 Alcatel-Lucent Usa Inc. Method of transmit beamforming for multicasting in a wireless communication system
KR100888510B1 (ko) * 2007-12-06 2009-03-12 한국전자통신연구원 간섭 제거 방법 및 장치
US8094761B2 (en) * 2007-12-07 2012-01-10 Samsung Electronics Co., Ltd. Uplink feedback for supporting MIMO operation in the LTE downlink
US8897269B2 (en) * 2008-01-30 2014-11-25 Qualcomm Incorporated Method and apparatus for mitigating pilot pollution in a wireless network
JP5353890B2 (ja) * 2008-02-01 2013-11-27 日本電気株式会社 Ｍｉｍｏ−ｏｆｄｍ通信システムにおけるチャネル状態の推定
US8995590B2 (en) * 2008-03-28 2015-03-31 Qualcomm Incorporated Hardware engine to demod SIMO, MIMO, and SDMA signals
EP2264921B1 (en) * 2008-04-10 2020-08-12 Panasonic Intellectual Property Management Co., Ltd. Receiving apparatus, receiving method, integrated circuit, digital television receiver, and program
US9119212B2 (en) 2008-07-11 2015-08-25 Qualcomm Incorporated Inter-cell interference cancellation framework
US8639996B2 (en) * 2008-07-11 2014-01-28 Qualcomm Incorporated Systems and methods for uplink inter-cell interference cancellation using hybrid automatic repeat request (HARQ) retransmissions
US8958467B2 (en) * 2008-09-04 2015-02-17 Telefonaktiebolaget L M Ericsson (Publ) Reporting channel quality information for multiple channels
RU2008136226A (ru) * 2008-09-09 2010-03-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." (KR) Способ декодирования в многоантенной системе приемопередачи (варианты)
CN101677261B (zh) * 2008-09-18 2013-01-16 华为技术有限公司 信道质量指示反馈的周期参数的管理方法和装置
EP2347535B1 (en) * 2008-11-12 2015-07-29 Telefonaktiebolaget L M Ericsson (publ) Link adaptation systems and methods
US8867999B2 (en) 2009-01-26 2014-10-21 Qualcomm Incorporated Downlink interference cancellation methods
JP5500165B2 (ja) * 2009-03-09 2014-05-21 日本電気株式会社 ランク推定装置、受信機、通信システム、ランク推定方法及びプログラム記録媒体
US8867495B2 (en) * 2009-03-20 2014-10-21 Qualcomm Incorporated Feedback mechanisms for beamforming operation
KR101664127B1 (ko) * 2010-02-10 2016-10-10 삼성전자주식회사 이웃 셀을 위한 협력 랭크 정보를 교환하는 다중 입출력 통신 방법 및 시스템
US9806790B2 (en) 2010-03-29 2017-10-31 Odyssey Wireless, Inc. Systems/methods of spectrally efficient communications
US8593933B2 (en) * 2010-04-27 2013-11-26 Qualcomm Incorporated Modified spatial diversity schemes for coverage enhancement
KR20120002875A (ko) * 2010-07-01 2012-01-09 주식회사 팬택 채널정보 송수신방법 및 그 단말, 그 기지국
EP2612440A4 (en) 2010-08-30 2014-02-19 Physical Devices Llc ADJUSTABLE FILTER DEVICES AND METHOD THEREFOR
US8666347B2 (en) * 2010-10-14 2014-03-04 Physical Devices, Llc Methods and devices for reducing radio frequency interference
US9042857B2 (en) 2010-08-30 2015-05-26 Physical Devices, Llc Methods, systems, and non-transitory computer readable media for wideband frequency and bandwidth tunable filtering
CA2813636C (en) * 2010-10-08 2017-03-28 Research In Motion Limited Method and apparatus for lte channel state information estimation
US8675558B2 (en) * 2011-01-07 2014-03-18 Intel Corporation CQI definition for transmission mode 9 in LTE-advanced
EP2820447A4 (en) 2012-02-28 2015-11-11 Physical Devices Llc METHODS, SYSTEMS, AND COMPUTER-READABLE MEDIA FOR MITIGATING INTERFERENCE IN THE SIGNAL BAND OF THE GLOBAL POSITIONING SYSTEM (GPS)
WO2013181823A1 (en) * 2012-06-07 2013-12-12 Nec(China) Co., Ltd. Method and apparatus for interference control
US9400783B2 (en) * 2013-11-26 2016-07-26 Xerox Corporation Procedure for building a max-ARPA table in order to compute optimistic back-offs in a language model
US20150244431A1 (en) 2014-02-21 2015-08-27 Physical Devices, Llc Devices and methods for diversity signal enhancement and cosite cancellation
US9967028B2 (en) 2014-10-22 2018-05-08 Indian Institute Of Technology Delhi System and a method for free space optical communications
CN106452540B (zh) * 2015-08-10 2019-10-11 中国移动通信集团公司 一种发送、接收数据的方法和设备
CN105306175B (zh) * 2015-11-09 2018-10-02 哈尔滨工业大学 基于v-blast编码方式的mimo-scma系统上行链路构架方法
US10085159B2 (en) * 2016-05-23 2018-09-25 Fat Mongoose Technologies, Inc. Wireless environment optimization system
CN111770039B (zh) * 2020-07-29 2023-05-09 Oppo广东移动通信有限公司 接收设备、终端、解调处理方法、装置及存储介质
WO2022235178A1 (en) * 2021-05-03 2022-11-10 Telefonaktiebolaget Lm Ericsson (Publ) Determination of reciprocity-based precoder for a user equipment
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
US7110434B2 (en) * 1999-08-31 2006-09-19 Broadcom Corporation Cancellation of interference in a communication system with application to S-CDMA
US6920192B1 (en) * 2000-08-03 2005-07-19 Lucent Technologies Inc. Adaptive antenna array methods and apparatus for use in a multi-access wireless communication system
US6907270B1 (en) 2000-10-23 2005-06-14 Qualcomm Inc. Method and apparatus for reduced rank channel estimation in a communications system
US6771706B2 (en) 2001-03-23 2004-08-03 Qualcomm Incorporated Method and apparatus for utilizing channel state information in a wireless communication system
US20030125040A1 (en) 2001-11-06 2003-07-03 Walton Jay R. Multiple-access multiple-input multiple-output (MIMO) communication system
US6862271B2 (en) * 2002-02-26 2005-03-01 Qualcomm Incorporated Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
US7103325B1 (en) 2002-04-05 2006-09-05 Nortel Networks Limited Adaptive modulation and coding
US6801580B2 (en) 2002-04-09 2004-10-05 Qualcomm, Incorporated Ordered successive interference cancellation receiver processing for multipath channels
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
DE10254384B4 (de) 2002-11-17 2005-11-17 Siemens Ag Bidirektionales Signalverarbeitungsverfahren für ein MIMO-System mit einer rangadaptiven Anpassung der Datenübertragungsrate
US6873614B2 (en) * 2002-12-19 2005-03-29 Motorola, Inc. Digital communication system having improved color code capability
JP4127805B2 (ja) * 2003-04-11 2008-07-30 株式会社エヌ・ティ・ティ・ドコモ 基地局、移動局、通信システム、送信制御方法及び移動局制御プログラム
US6917821B2 (en) 2003-09-23 2005-07-12 Qualcomm, Incorporated Successive interference cancellation receiver processing with selection diversity
JP3665322B2 (ja) * 2003-10-24 2005-06-29 松下電器産業株式会社 無線受信装置およびフィンガ割り当て方法
CN1271806C (zh) * 2003-10-31 2006-08-23 大唐移动通信设备有限公司 时分双工模式下的多天线数据通信系统发射装置和接收装置及方法
US8705659B2 (en) * 2003-11-06 2014-04-22 Apple Inc. Communication channel optimization systems and methods in multi-user communication systems
US7606319B2 (en) * 2004-07-15 2009-10-20 Nokia Corporation Method and detector for a novel channel quality indicator for space-time encoded MIMO spread spectrum systems in frequency selective channels

Also Published As

Publication number Publication date
EP1904859A2 (en) 2008-04-02
CN101199124A (zh) 2008-06-11
JP2008547285A (ja) 2008-12-25
WO2006138621A3 (en) 2007-06-07
KR20080016965A (ko) 2008-02-22
KR100943383B1 (ko) 2010-02-18
JP2012114913A (ja) 2012-06-14
US20060285585A1 (en) 2006-12-21
WO2006138621A2 (en) 2006-12-28
CN101199124B (zh) 2011-07-06
JP4908506B2 (ja) 2012-04-04
JP5221740B2 (ja) 2013-06-26
TW200709602A (en) 2007-03-01
US8064837B2 (en) 2011-11-22
EP1904859B1 (en) 2020-06-24
EP1904859A4 (en) 2012-08-01
TWI327838B (en) 2010-07-21

Similar Documents

Publication Publication Date Title
AR053922A1 (es) Metodo y aparato para la seleccion optima de mimo y de cancelacion de la interferencia
Behbahani et al. Optimizations of a MIMO relay network
Peters et al. Nonregenerative MIMO relaying with optimal transmit antenna selection
CA2446877C (en) Method and apparatus for allocating resources in a multiple-input multiple output (mimo) communication system
Zhao et al. Detection schemes for space-time block code and spatial multiplexing combined system
WO2006130866A3 (en) Cqi and rank prediction for list sphere decoding and ml mimo receivers
MY145297A (en) Systems and methods for beamforming in multi-input multi-output communication systems
DE602005010625D1 (de) Empfänger zur Interferenzunterdrückung mit einer einzigen Antenne, mit verbesserter entscheidungsrückgekoppelter Entzerrung für GSM Systeme
US20130142128A1 (en) Non-codebook based precoding for multi-user mimo downlink
WO2007109679A3 (en) Uplink channel estimation using a signaling channel
WO2008030035A3 (en) Method of transmitting feedback information for precoding and precoding method
RU2012102060A (ru) Конфигурация антенны для совместного формирования диаграммы направленности
WO2010025585A8 (en) Methods and arrangements in a radio access network
WO2011017988A1 (zh) 多输入多输出系统中信道质量获取方法和接收端
US20140294125A1 (en) Receiver
CN108418619B (zh) 一种信号检测方法及装置
Willink Improving power allocation to MIMO eigenbeams under imperfect channel estimation
Torabi et al. Semi-orthogonal relay selection and beamforming for amplify-and-forward MIMO relay channels
WO2010028688A1 (en) Selection of tramsmission mode
Qian et al. STAR-RIS-assisted cell-free massive MIMO with multi-antenna users and hardware impairments over correlated Rayleigh fading channels
Wang et al. Minimum BER transmit optimization for two-input multiple-output spatial multiplexing
Li et al. Performance analysis of MIMO DF relay network with the Nth-best user selection scheme in the presence of co-channel interference
Cao et al. Non-regenerative multi-way relaying: Ordered MMSE-SIC receivers exploiting temporal diversity
US9059757B2 (en) Communication method and apparatus for use in multiple antenna system
Dong et al. Performance of Non-orthogonal Multiple Access-based Satellite Communication Systems under the Effect of Polarization Conversion

Legal Events

Date Code Title Description
FG Grant, registration