DK1745576T3 - Selektiv antennevis hastighedsregulering i et trådløst kommunikationsnetværk - Google Patents

Selektiv antennevis hastighedsregulering i et trådløst kommunikationsnetværk

Info

Publication number
DK1745576T3
DK1745576T3 DK05737839.0T DK05737839T DK1745576T3 DK 1745576 T3 DK1745576 T3 DK 1745576T3 DK 05737839 T DK05737839 T DK 05737839T DK 1745576 T3 DK1745576 T3 DK 1745576T3
Authority
DK
Denmark
Prior art keywords
mobile terminal
terminal device
feedback signal
communications network
transmit
Prior art date
Application number
DK05737839.0T
Other languages
English (en)
Inventor
Stephen Grant
Yi-Pin Eric Wang
Rajaram Ramesh
Karl James Molnar
Jung-Fu Thomas Cheng
Leonid Krasny
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK1745576T3 publication Critical patent/DK1745576T3/da

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
    • H04L1/0001—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
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam 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
    • H04B7/0697—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 spatial multiplexing
    • 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
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • 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
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DK05737839.0T 2004-05-07 2005-05-06 Selektiv antennevis hastighedsregulering i et trådløst kommunikationsnetværk DK1745576T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/841,911 US20050250544A1 (en) 2004-05-07 2004-05-07 Base station, mobile terminal device and method for implementing a selective-per-antenna-rate-control (S-PARC) technique in a wireless communications network
PCT/IB2005/001236 WO2005109717A1 (en) 2004-05-07 2005-05-06 Selective per antenna rate control in a wireless communications network

Publications (1)

Publication Number Publication Date
DK1745576T3 true DK1745576T3 (da) 2012-01-23

Family

ID=34967733

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05737839.0T DK1745576T3 (da) 2004-05-07 2005-05-06 Selektiv antennevis hastighedsregulering i et trådløst kommunikationsnetværk

Country Status (7)

Country Link
US (1) US20050250544A1 (da)
EP (2) EP1745576B1 (da)
JP (1) JP4733114B2 (da)
AT (1) ATE536672T1 (da)
DK (1) DK1745576T3 (da)
ES (1) ES2377973T3 (da)
WO (1) WO2005109717A1 (da)

Families Citing this family (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0102316D0 (en) * 2001-01-30 2001-03-14 Koninkl Philips Electronics Nv Radio communication system
KR100995031B1 (ko) * 2003-10-01 2010-11-19 엘지전자 주식회사 다중입력 다중출력 시스템에 적용되는 신호 전송 제어 방법
US8249518B2 (en) * 2003-12-29 2012-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Network controlled feedback for MIMO systems
US7991056B2 (en) * 2004-02-13 2011-08-02 Broadcom Corporation Method and system for encoding a signal for wireless communications
SE0400370D0 (sv) * 2004-02-13 2004-02-13 Ericsson Telefon Ab L M Adaptive MIMO architecture
US8045638B2 (en) * 2004-03-05 2011-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for impairment correlation estimation in a wireless communication receiver
US7899497B2 (en) * 2004-08-18 2011-03-01 Ruckus Wireless, Inc. System and method for transmission parameter control for an antenna apparatus with selectable elements
US7933628B2 (en) 2004-08-18 2011-04-26 Ruckus Wireless, Inc. Transmission and reception parameter control
US7728871B2 (en) 2004-09-30 2010-06-01 Smartvue Corporation Wireless video surveillance system & method with input capture and data transmission prioritization and adjustment
US20060095539A1 (en) 2004-10-29 2006-05-04 Martin Renkis Wireless video surveillance system and method for mesh networking
US9240868B2 (en) 2004-11-05 2016-01-19 Ruckus Wireless, Inc. Increasing reliable data throughput in a wireless network
US8619662B2 (en) 2004-11-05 2013-12-31 Ruckus Wireless, Inc. Unicast to multicast conversion
US8638708B2 (en) 2004-11-05 2014-01-28 Ruckus Wireless, Inc. MAC based mapping in IP based communications
US7505447B2 (en) 2004-11-05 2009-03-17 Ruckus Wireless, Inc. Systems and methods for improved data throughput in communications networks
US20060111054A1 (en) * 2004-11-22 2006-05-25 Interdigital Technology Corporation Method and system for selecting transmit antennas to reduce antenna correlation
US7830980B2 (en) * 2004-12-07 2010-11-09 Intel Corporation System and method capable of implicit feedback for the devices with an unequal number of transmitter and receiver chains in a wireless local area network
US8792414B2 (en) 2005-07-26 2014-07-29 Ruckus Wireless, Inc. Coverage enhancement using dynamic antennas
CN1805305A (zh) * 2005-01-13 2006-07-19 松下电器产业株式会社 采用天线选择执行自适应空时发送分集的方法和设备
EP3098978B1 (en) * 2005-01-28 2020-03-04 Godo Kaisha IP Bridge 1 Communication device and communication method
US8724740B2 (en) 2005-03-11 2014-05-13 Qualcomm Incorporated Systems and methods for reducing uplink resources to provide channel performance feedback for adjustment of downlink MIMO channel data rates
US8995547B2 (en) 2005-03-11 2015-03-31 Qualcomm Incorporated Systems and methods for reducing uplink resources to provide channel performance feedback for adjustment of downlink MIMO channel data rates
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US8073068B2 (en) 2005-08-22 2011-12-06 Qualcomm Incorporated Selective virtual antenna transmission
JP2009513060A (ja) * 2005-10-21 2009-03-26 テレフオンアクチーボラゲット エル エム エリクソン（パブル） セルラー通信システムにおける測定報告のための装置および方法
RU2383995C1 (ru) * 2005-12-23 2010-03-10 Самсунг Электроникс Ко., Лтд. Способ и устройство для представления данных индикатора качества канала
US20070165576A1 (en) * 2005-12-29 2007-07-19 Telefonaktiebolaget Lm Ericsson (Publ) Mimo control channel with shared channelization codes
US20080051037A1 (en) * 2005-12-29 2008-02-28 Molnar Karl J BASE STATION AND METHOD FOR SELECTING BEST TRANSMIT ANTENNA(s) FOR SIGNALING CONTROL CHANNEL INFORMATION
US8914015B2 (en) * 2006-03-20 2014-12-16 Qualcomm Incorporated Grouping of users for MIMO transmission in a wireless communication system
EP1838024A1 (en) * 2006-03-20 2007-09-26 Siemens Aktiengesellschaft Method and apparatus for selection of MIMO configuration and coding in a mobile telecommunications system
CN101127550B (zh) * 2006-08-16 2012-02-29 华为技术有限公司 一种确定发射天线的方法和系统
US8670725B2 (en) 2006-08-18 2014-03-11 Ruckus Wireless, Inc. Closed-loop automatic channel selection
KR100790365B1 (ko) * 2006-08-22 2008-01-02 한국전자통신연구원 Ｍｉｍｏ 시스템에서의 패킷 재전송 방법
KR101216107B1 (ko) * 2006-09-06 2012-12-27 콸콤 인코포레이티드 그룹화된 안테나들에 대한 코드워드 치환 및 감소된 피드백
US20080075051A1 (en) * 2006-09-27 2008-03-27 Baris Dundar Methods, apparatus and articles for radio frequency planning
EP2078365A4 (en) * 2006-11-01 2012-07-25 Ericsson Telefon Ab L M METHOD AND ARRANGEMENT FOR SINR FEEDBACK IN MIMO-BASED WIRELESS COMMUNICATION SYSTEMS
US8102944B2 (en) * 2007-05-18 2012-01-24 Qualcomm Incorporated Mode and rate control for MIMO transmission
US9049670B2 (en) * 2007-06-01 2015-06-02 Telefonaktiebolaget L M Ericsson (Publ) Interference-improved uplink data rates for a group of mobile stations transmitting to a base station
JP5044017B2 (ja) * 2007-07-06 2012-10-10 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 通信システムにおけるチャネル品質情報の通信のための方法および装置
US8547899B2 (en) 2007-07-28 2013-10-01 Ruckus Wireless, Inc. Wireless network throughput enhancement through channel aware scheduling
KR101531053B1 (ko) * 2007-08-10 2015-06-25 한국전자통신연구원 다중 안테나 선택 기법을 이용한 적응 변조 장치 및 방법
US7929625B2 (en) * 2007-09-20 2011-04-19 Telefonaktiebolaget Lm Ericsson (Publ) Quality of service based antenna mapping for multiple-input multiple-output communication systems
JP4865692B2 (ja) * 2007-12-19 2012-02-01 日本電信電話株式会社 無線信号受信装置及び無線信号受信方法
WO2009083680A1 (fr) * 2008-01-03 2009-07-09 France Telecom Communication par voie de retour d'un terminal vers un emetteur pour reduire notamment une interference entre faisceaux issus de l'emetteur
US8355343B2 (en) 2008-01-11 2013-01-15 Ruckus Wireless, Inc. Determining associations in a mesh network
JP5007294B2 (ja) 2008-12-22 2012-08-22 株式会社エヌ・ティ・ティ・ドコモ 無線基地局
KR101673497B1 (ko) * 2009-01-05 2016-11-07 마벨 월드 트레이드 리미티드 Ｍｉｍｏ 통신 시스템을 위한 프리코딩 코드북들
US8385441B2 (en) 2009-01-06 2013-02-26 Marvell World Trade Ltd. Efficient MIMO transmission schemes
US8699528B2 (en) * 2009-02-27 2014-04-15 Marvell World Trade Ltd. Systems and methods for communication using dedicated reference signal (DRS)
US8238483B2 (en) 2009-02-27 2012-08-07 Marvell World Trade Ltd. Signaling of dedicated reference signal (DRS) precoding granularity
EP2417780B1 (en) * 2009-04-06 2019-05-08 Marvell World Trade Ltd. Improved feedback strategies for multi-user mimo communication systems
JP5607143B2 (ja) * 2009-04-21 2014-10-15 マーベル ワールド トレード リミテッド 通信方法、通信装置、携帯通信端末、チップセット、および、通信システム
US8576804B2 (en) * 2009-08-13 2013-11-05 Broadcom Corporation Beamforming feedback frame formats within multiple user, multiple access, and/or MIMO wireless communications
KR101584993B1 (ko) * 2009-09-09 2016-01-14 삼성전자주식회사 복수의 송/수신 페어들의 송/수신 모드를 선택하는 방법 및 장치
US8675794B1 (en) 2009-10-13 2014-03-18 Marvell International Ltd. Efficient estimation of feedback for modulation and coding scheme (MCS) selection
US8917796B1 (en) 2009-10-19 2014-12-23 Marvell International Ltd. Transmission-mode-aware rate matching in MIMO signal generation
WO2011055238A1 (en) 2009-11-09 2011-05-12 Marvell World Trade Ltd Asymmetrical feedback for coordinated transmission systems
WO2011060454A2 (en) 2009-11-16 2011-05-19 Ruckus Wireless, Inc. Establishing a mesh network with wired and wireless links
US9979626B2 (en) 2009-11-16 2018-05-22 Ruckus Wireless, Inc. Establishing a mesh network with wired and wireless links
CN102783120B (zh) * 2009-12-17 2015-07-01 马维尔国际贸易有限公司 用于交叉极化天线的mimo反馈方案
JP5258002B2 (ja) * 2010-02-10 2013-08-07 マーベル ワールド トレード リミテッド Ｍｉｍｏ通信システムにおける装置、移動通信端末、チップセット、およびその方法
US8687741B1 (en) 2010-03-29 2014-04-01 Marvell International Ltd. Scoring hypotheses in LTE cell search
JP2012100254A (ja) 2010-10-06 2012-05-24 Marvell World Trade Ltd Ｐｕｃｃｈフィードバックのためのコードブックサブサンプリング
US8615052B2 (en) 2010-10-06 2013-12-24 Marvell World Trade Ltd. Enhanced channel feedback for multi-user MIMO
US9048970B1 (en) 2011-01-14 2015-06-02 Marvell International Ltd. Feedback for cooperative multipoint transmission systems
US8861391B1 (en) 2011-03-02 2014-10-14 Marvell International Ltd. Channel feedback for TDM scheduling in heterogeneous networks having multiple cell classes
EP2692068B1 (en) 2011-03-31 2019-06-19 Marvell World Trade Ltd. Channel feedback for cooperative multipoint transmission
US8605817B2 (en) * 2011-10-20 2013-12-10 Lsi Corporation Modulation and layer mapping in physical channels
WO2013068915A2 (en) 2011-11-07 2013-05-16 Marvell World Trade Ltd. Precoding feedback for cross-polarized antennas with magnitude information
US8923427B2 (en) 2011-11-07 2014-12-30 Marvell World Trade Ltd. Codebook sub-sampling for frequency-selective precoding feedback
US9031597B2 (en) 2011-11-10 2015-05-12 Marvell World Trade Ltd. Differential CQI encoding for cooperative multipoint feedback
US9220087B1 (en) 2011-12-08 2015-12-22 Marvell International Ltd. Dynamic point selection with combined PUCCH/PUSCH feedback
US8902842B1 (en) 2012-01-11 2014-12-02 Marvell International Ltd Control signaling and resource mapping for coordinated transmission
CN104521269B (zh) 2012-04-27 2018-05-11 马维尔国际贸易有限公司 用于基站和移动通信终端之间的多点协作(CoMP)通信方法和装置
US8649458B2 (en) 2012-05-29 2014-02-11 Magnolia Broadband Inc. Using antenna pooling to enhance a MIMO receiver augmented by RF beamforming
US8861635B2 (en) 2012-05-29 2014-10-14 Magnolia Broadband Inc. Setting radio frequency (RF) beamformer antenna weights per data-stream in a multiple-input-multiple-output (MIMO) system
US8644413B2 (en) 2012-05-29 2014-02-04 Magnolia Broadband Inc. Implementing blind tuning in hybrid MIMO RF beamforming systems
US8811522B2 (en) 2012-05-29 2014-08-19 Magnolia Broadband Inc. Mitigating interferences for a multi-layer MIMO system augmented by radio distribution network
US8971452B2 (en) 2012-05-29 2015-03-03 Magnolia Broadband Inc. Using 3G/4G baseband signals for tuning beamformers in hybrid MIMO RDN systems
US8619927B2 (en) 2012-05-29 2013-12-31 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO/RF beamforming
US8767862B2 (en) 2012-05-29 2014-07-01 Magnolia Broadband Inc. Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network
US8837650B2 (en) 2012-05-29 2014-09-16 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO RF beamforming for multi layer MIMO base station
US8842765B2 (en) 2012-05-29 2014-09-23 Magnolia Broadband Inc. Beamformer configurable for connecting a variable number of antennas and radio circuits
US9154204B2 (en) * 2012-06-11 2015-10-06 Magnolia Broadband Inc. Implementing transmit RDN architectures in uplink MIMO systems
US8797969B1 (en) 2013-02-08 2014-08-05 Magnolia Broadband Inc. Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations
US9343808B2 (en) 2013-02-08 2016-05-17 Magnotod Llc Multi-beam MIMO time division duplex base station using subset of radios
US20140226740A1 (en) 2013-02-13 2014-08-14 Magnolia Broadband Inc. Multi-beam co-channel wi-fi access point
US8989103B2 (en) 2013-02-13 2015-03-24 Magnolia Broadband Inc. Method and system for selective attenuation of preamble reception in co-located WI FI access points
US9155110B2 (en) 2013-03-27 2015-10-06 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
US9100968B2 (en) 2013-05-09 2015-08-04 Magnolia Broadband Inc. Method and system for digital cancellation scheme with multi-beam
US9425882B2 (en) 2013-06-28 2016-08-23 Magnolia Broadband Inc. Wi-Fi radio distribution network stations and method of operating Wi-Fi RDN stations
US8995416B2 (en) 2013-07-10 2015-03-31 Magnolia Broadband Inc. System and method for simultaneous co-channel access of neighboring access points
US8824596B1 (en) 2013-07-31 2014-09-02 Magnolia Broadband Inc. System and method for uplink transmissions in time division MIMO RDN architecture
US9497781B2 (en) 2013-08-13 2016-11-15 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
US9060362B2 (en) 2013-09-12 2015-06-16 Magnolia Broadband Inc. Method and system for accessing an occupied Wi-Fi channel by a client using a nulling scheme
US9088898B2 (en) 2013-09-12 2015-07-21 Magnolia Broadband Inc. System and method for cooperative scheduling for co-located access points
US9172454B2 (en) 2013-11-01 2015-10-27 Magnolia Broadband Inc. Method and system for calibrating a transceiver array
US8891598B1 (en) 2013-11-19 2014-11-18 Magnolia Broadband Inc. Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems
US8929322B1 (en) 2013-11-20 2015-01-06 Magnolia Broadband Inc. System and method for side lobe suppression using controlled signal cancellation
US8942134B1 (en) 2013-11-20 2015-01-27 Magnolia Broadband Inc. System and method for selective registration in a multi-beam system
US9294177B2 (en) 2013-11-26 2016-03-22 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9014066B1 (en) 2013-11-26 2015-04-21 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9042276B1 (en) 2013-12-05 2015-05-26 Magnolia Broadband Inc. Multiple co-located multi-user-MIMO access points
US9172446B2 (en) 2014-03-19 2015-10-27 Magnolia Broadband Inc. Method and system for supporting sparse explicit sounding by implicit data
US9100154B1 (en) 2014-03-19 2015-08-04 Magnolia Broadband Inc. Method and system for explicit AP-to-AP sounding in an 802.11 network
US9271176B2 (en) 2014-03-28 2016-02-23 Magnolia Broadband Inc. System and method for backhaul based sounding feedback
US10715233B2 (en) * 2017-08-31 2020-07-14 Qualcomm Incorporated Sounding reference signal (SRS) transmit antenna selection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001255253A1 (en) * 2000-06-30 2002-01-14 Iospan Wireless, Inc. Method and system for mode adaptation in wireless communication
EP1187385A1 (en) * 2000-09-12 2002-03-13 Lucent Technologies Inc. Signalling of data rate and diversity configuration
US7035814B2 (en) * 2001-07-12 2006-04-25 International Buisness Machines Corporation Method for delivering a product to a register according to a tracked location of a mobile device
JP2005510173A (ja) * 2001-11-19 2005-04-14 サムスン　エレクトロニクス　カンパニー　リミテッド 符号分割多重接続移動通信システムにおける逆方向送信電力制御装置及び方法
JP4178501B2 (ja) * 2002-05-21 2008-11-12 日本電気株式会社 アンテナ送受信システム
US8179864B2 (en) * 2002-08-06 2012-05-15 Rockstar Bidco Lp Method of controlling a communications link
US7379506B2 (en) * 2003-09-23 2008-05-27 Nokia Corporation Apparatus, and associated method, for assigning data to transmit antennas of a multiple transmit antenna transmitter
US7746800B2 (en) * 2003-11-21 2010-06-29 Nokia Corporation Flexible rate split method for MIMO transmission
US7873022B2 (en) * 2004-02-19 2011-01-18 Broadcom Corporation Multiple input multiple output wireless local area network communications

Also Published As

Publication number Publication date
JP4733114B2 (ja) 2011-07-27
JP2007536858A (ja) 2007-12-13
EP2293479A3 (en) 2012-10-24
ATE536672T1 (de) 2011-12-15
EP1745576A1 (en) 2007-01-24
EP2293479A2 (en) 2011-03-09
ES2377973T3 (es) 2012-04-03
US20050250544A1 (en) 2005-11-10
EP1745576B1 (en) 2011-12-07
WO2005109717A1 (en) 2005-11-17

Similar Documents

Publication Publication Date Title
DK1745576T3 (da) Selektiv antennevis hastighedsregulering i et trådløst kommunikationsnetværk
DK1770924T3 (da) Fremgangsmåde og apparat til trådløs kommunikation
ATE415753T1 (de) Verfahren und einrichtung für drahtlose kommunikationen mit variablen datenraten
SE0302596D0 (sv) Improvments in or relating to base stations
HK1058590A1 (en) Method for relocating srns in a mobile communication systems.
WO2004086776A3 (en) Co-channel wireless communication methods and systems using nonsymmetrical alphabets
TW200706039A (en) Transmission rate control method, mobile station, radio base station, and radio network controller
AU2003257390A1 (en) Method, subscriber terminal and radio communication system for transmitting user data messages
WO2003065161A3 (en) Method and apparatus to configure, provision and control a set-top terminal
WO2004032536A3 (en) Wireless communication method and system with controlled wtru peer-to-peer communications
WO2004084503A3 (en) Communicating in a reverse wireless link information relating to buffer status and data rate of a mobile station
WO2004004365A3 (en) Method and apparatus for forward link gain control in a power controlled repeater
FI20021869A0 (fi) Menetelmä ja laite pakettidatan siirtämiseksi langattomassa pakettidataverkossa
HK1102453A1 (en) Data exchange method
DK1256188T3 (da) Tilgangskanalstruktur for trådlöst kommunikationssystem
TW200718086A (en) Wireless base station and method for transmitting data common to users
DK1798996T3 (da) Fremgangsmåde og apparat til forbedring af radiospektrum-anvendelse og reducering af brugerdataforsinkelse
ATE366496T1 (de) Verbesserung der signalisierung der transportblockgrösse (tbs)
ATE341867T1 (de) Einstellung der sendeleistung in einem drahtlosen kommunikationssystem
DE60132432D1 (de) Sendeleistungs-verstärkungstabellen basierend auf geschwindigkeitsschätzung
WO2003021817A8 (en) System and method for enabling a radio node to function as a router
GB0516589D0 (en) Wireless control system and method
ATE418845T1 (de) Gerät zur drahtlosen kommunikation
CY1107522T1 (el) Eνα συστημα ραδιοεπικοινωνιας, μεθοδος λειτουργιας ενος συστηματος επικοινωνιας και ενας κινητος σταθμος
EP1748591A4 (en) RADIO COMMUNICATION SYSTEM