BRPI0818521A2 - adaptação de classificação para um modo multi-antena de malha aberta de comunicação sem fio - Google Patents

adaptação de classificação para um modo multi-antena de malha aberta de comunicação sem fio

Info

Publication number
BRPI0818521A2
BRPI0818521A2 BRPI0818521A BRPI0818521A BRPI0818521A2 BR PI0818521 A2 BRPI0818521 A2 BR PI0818521A2 BR PI0818521 A BRPI0818521 A BR PI0818521A BR PI0818521 A BRPI0818521 A BR PI0818521A BR PI0818521 A2 BRPI0818521 A2 BR PI0818521A2
Authority
BR
Brazil
Prior art keywords
wireless communication
open loop
antenna mode
classification adaptation
loop multi
Prior art date
Application number
BRPI0818521A
Other languages
English (en)
Inventor
Hua-Xu
Jianming Wu
Jianglei Ma
Mohammadhadi Baligh
Ming Jia
Peiying Zhu
Wen Tong
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of BRPI0818521A2 publication Critical patent/BRPI0818521A2/pt
Publication of BRPI0818521B1 publication Critical patent/BRPI0818521B1/pt

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
    • H04B7/06—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
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • 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
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0818521-2A 2007-10-02 2008-10-02 Método de adaptação de classificação para uma estação móvel para um modo de malha aberta de múltiplas antenas de comunicação sem fio e estação base BRPI0818521B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US97693307P 2007-10-02 2007-10-02
US60/976,933 2007-10-02
US12/195,114 2008-08-20
US12/195,114 US8948093B2 (en) 2007-10-02 2008-08-20 Rank adaptation for an open loop multi-antenna mode of wireless communication
PCT/IB2008/003841 WO2009074880A2 (en) 2007-10-02 2008-10-02 Rank adaptation for an open loop multi-antenna mode of wireless communication

Publications (2)

Publication Number Publication Date
BRPI0818521A2 true BRPI0818521A2 (pt) 2016-07-19
BRPI0818521B1 BRPI0818521B1 (pt) 2020-09-15

Family

ID=40508169

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0818521-2A BRPI0818521B1 (pt) 2007-10-02 2008-10-02 Método de adaptação de classificação para uma estação móvel para um modo de malha aberta de múltiplas antenas de comunicação sem fio e estação base

Country Status (7)

Country Link
US (1) US8948093B2 (pt)
EP (1) EP2206381A4 (pt)
JP (1) JP2011504308A (pt)
KR (1) KR101511401B1 (pt)
CN (1) CN101816203B (pt)
BR (1) BRPI0818521B1 (pt)
WO (1) WO2009074880A2 (pt)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
US10886979B2 (en) 2004-04-02 2021-01-05 Rearden, Llc System and method for link adaptation in DIDO multicarrier systems
US11394436B2 (en) 2004-04-02 2022-07-19 Rearden, Llc System and method for distributed antenna wireless communications
US10749582B2 (en) 2004-04-02 2020-08-18 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10200094B2 (en) 2004-04-02 2019-02-05 Rearden, Llc Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems
US9312929B2 (en) 2004-04-02 2016-04-12 Rearden, Llc System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS)
US9819403B2 (en) 2004-04-02 2017-11-14 Rearden, Llc System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client
US8542763B2 (en) 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US11309943B2 (en) 2004-04-02 2022-04-19 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US10277290B2 (en) 2004-04-02 2019-04-30 Rearden, Llc Systems and methods to exploit areas of coherence in wireless systems
US10985811B2 (en) 2004-04-02 2021-04-20 Rearden, Llc System and method for distributed antenna wireless communications
US10425134B2 (en) 2004-04-02 2019-09-24 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US9826537B2 (en) 2004-04-02 2017-11-21 Rearden, Llc System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters
US8654815B1 (en) 2004-04-02 2014-02-18 Rearden, Llc System and method for distributed antenna wireless communications
US9685997B2 (en) 2007-08-20 2017-06-20 Rearden, Llc Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
EP2854302A1 (en) 2006-03-17 2015-04-01 Apple Inc. Closed-loop mimo systems and methods
US20090110114A1 (en) * 2007-10-26 2009-04-30 Eko Nugroho Onggosanusi Open-Loop MIMO Scheme and Signaling Support for Wireless Networks
US8335274B2 (en) * 2007-12-03 2012-12-18 Telefonaktiebolaget Lm Ericsson (Publ) Precoder for spatial multiplexing, multiple antenna transmitter
JP5433589B2 (ja) 2008-02-28 2014-03-05 アップル インコーポレイテッド 無線通信された信号に適用される符号化を特定する情報を含むフィードバックデータ構造の通信
WO2009107985A1 (en) 2008-02-28 2009-09-03 Lg Electronics Inc. Method for multiplexing data and control information
US8204014B2 (en) * 2008-03-18 2012-06-19 Motorola Mobility, Inc. Method and system for codebook-based closed-loop MIMO using common pilots and analog feedback
US7978623B1 (en) * 2008-03-22 2011-07-12 Freescale Semiconductor, Inc. Channel rank updates in multiple-input multiple-output communication systems
KR101349831B1 (ko) * 2008-03-23 2014-01-09 엘지전자 주식회사 피드백 오버헤드 감소를 위한 신호 전송 방법 및 이를 위한피드백 정보 전송 방법
BRPI0823065A2 (pt) * 2008-09-11 2015-06-16 Ericsson Telefon Ab L M Método para uso em um sistema de telecomunicações celular, e, estação de controle
KR101001015B1 (ko) * 2008-09-25 2010-12-14 한국전자통신연구원 다운링크 송신 모드를 적응적으로 결정하는 다중 안테나 무선 통신 시스템
EP2353249A1 (en) * 2008-10-20 2011-08-10 Nokia Siemens Networks Oy Sounding channel apparatus and method
EP2347535B1 (en) * 2008-11-12 2015-07-29 Telefonaktiebolaget L M Ericsson (publ) Link adaptation systems and methods
US8913563B2 (en) * 2009-02-06 2014-12-16 Empire Technology Development Llc Velocity based random access scheme
CN101873601A (zh) 2009-04-27 2010-10-27 松下电器产业株式会社 在无线通信系统中设置参考信号的方法以及系统
US20100329370A1 (en) * 2009-04-28 2010-12-30 Beceem Communications Inc. Selection of a Subset of Antennas for Transmission
US8923143B2 (en) * 2009-06-29 2014-12-30 Qualcomm Incorporated Open loop channel reporting in a wireless communication system
ES2358406B1 (es) * 2009-07-07 2012-03-22 Vodafone España, S.A.U. Controlador de red radio y método para seleccionar una tecnolog�?a de transmisión para una conexión hsdpa.
US20110019559A1 (en) * 2009-07-27 2011-01-27 Qualcomm Incorporated Methods and apparatus for stabilizing forward link mimo rate prediction
CN101998498B (zh) * 2009-08-19 2013-11-06 中兴通讯股份有限公司 一种秩自适应方法及装置
WO2011037426A2 (ko) * 2009-09-27 2011-03-31 엘지전자 주식회사 다중 안테나 무선 통신 시스템에서 단말이 채널 품질 지시자를 피드백하는 방법 및 이를 위한 장치
CN102035580B (zh) * 2009-09-29 2013-10-09 上海华为技术有限公司 一种空间复用模式中退秩的方法、基站及通信系统
CN102045095B (zh) * 2009-10-21 2014-10-29 中兴通讯股份有限公司 一种预编码处理方法及装置
US20110176519A1 (en) * 2009-11-17 2011-07-21 Pavan Kumar Vitthaladevuni Signalling of Multiple-User Multiple-Input and Multiple-Output Transmissions in High-Speed Packet Access Systems
US8824384B2 (en) * 2009-12-14 2014-09-02 Samsung Electronics Co., Ltd. Systems and methods for transmitting channel quality information in wireless communication systems
CN105530035A (zh) * 2010-01-08 2016-04-27 上海贝尔股份有限公司 一种基站选择天线的方法和装置
US8644422B2 (en) * 2010-02-12 2014-02-04 Blackberry Limited Low overhead PMI and CQI feedback and pairing schemes for MU-MIMO
JP2011176486A (ja) * 2010-02-23 2011-09-08 Fujitsu Toshiba Mobile Communications Ltd 移動無線端末装置
US8750270B2 (en) * 2010-02-25 2014-06-10 Lg Electronics Inc. Method and apparatus for transmitting feedback request and method and apparatus for receiving feedback request in wireless communication system
JP5548815B2 (ja) * 2010-03-16 2014-07-16 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） オープンループマルチストリーム送信とクローズドループマルチストリーム送信との切換え
WO2011122596A1 (ja) * 2010-03-30 2011-10-06 シャープ株式会社 基地局装置、移動局装置、及び、通信制御方法
CN102244566B (zh) * 2010-05-11 2014-03-12 中兴通讯股份有限公司 用于多输入多输出系统的下行传输方法和基站
US8804671B2 (en) * 2010-07-15 2014-08-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for determining UE mobility status
EP2612451B1 (en) 2010-09-03 2016-09-28 Fujitsu Limited Channel state feedback for multi-cell mimo
EP2905908A1 (en) * 2010-10-01 2015-08-12 Telefonaktiebolaget L M Ericsson (PUBL) Method and arrangement in a wireless communication system
US9031591B2 (en) 2010-11-17 2015-05-12 Futurewei Technologies, Inc. System and method for self-optimized inter-cell interference coordination
CN102148663B (zh) * 2011-03-22 2013-05-01 东南大学 综合利用长时和短时信道状态信息的自适应传输方法
JP5546681B2 (ja) 2011-04-19 2014-07-09 パナソニック株式会社 プリコーディング方法、プリコーディング装置
US9014699B2 (en) * 2011-06-14 2015-04-21 Ethertronics, Inc. Power management and control synchronization within in a wireless network using modal antennas and related methods
CN102882657B (zh) * 2011-07-15 2018-01-23 瑞典爱立信有限公司 用于上行链路秩自适应的方法、设备和系统
US9750030B2 (en) * 2011-08-03 2017-08-29 Qualcomm Incorporated Enhanced downlink rate adaptation for LTE heterogeneous network base stations
US10116402B2 (en) 2011-10-27 2018-10-30 Huawei Technologies Co., Ltd. System and method for operating mode self-adaptation
WO2013112079A1 (en) 2012-01-23 2013-08-01 Telefonaktiebolaget L M Ericsson (Publ) Method and device for selecting precoding matrices based on representations of speed of related devices
KR20130097916A (ko) * 2012-02-27 2013-09-04 한국전자통신연구원 공간 다중화 통신 시스템
JP6212121B2 (ja) * 2012-08-31 2017-10-11 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおけるアンテナ仮想化方法及び装置
PT2896141T (pt) * 2012-09-12 2020-04-30 Guangdong Oppo Mobile Telecommunications Corp Ltd Método num nó de rede, método num equipamento de utilizador, um nó de rede e um equipamento de utilizador para selecionar um candidato de feixe
US11190947B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for concurrent spectrum usage within actively used spectrum
US11189917B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for distributing radioheads
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US10194346B2 (en) 2012-11-26 2019-01-29 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US8831127B2 (en) 2012-12-14 2014-09-09 Telefonaktiebolaget L M Ericsson (Publ) Antenna reconfiguration for MIMO communications when multiplicative noise limited
US8891657B2 (en) 2012-12-14 2014-11-18 Telefonaktiebolaget L M Ericsson(Publ) Transmission power distribution for MIMO communications when multiplicative noise limited
US8842764B2 (en) 2012-12-14 2014-09-23 Telefonaktiebolaget L M Ericsson (Publ) Precoder weight selection for MIMO communications when multiplicative noise limited
US9312933B2 (en) * 2013-02-22 2016-04-12 Qualcomm Incorporated Apparatus and method for dynamically altering a downlink MIMO configuration
US9923657B2 (en) 2013-03-12 2018-03-20 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10488535B2 (en) 2013-03-12 2019-11-26 Rearden, Llc Apparatus and method for capturing still images and video using diffraction coded imaging techniques
US9973246B2 (en) 2013-03-12 2018-05-15 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10164698B2 (en) 2013-03-12 2018-12-25 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10547358B2 (en) 2013-03-15 2020-01-28 Rearden, Llc Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications
EP2793517B1 (en) * 2013-04-16 2016-09-07 Alcatel Lucent Method and system for user speed estimation in wireless networks
US9420576B2 (en) * 2013-04-23 2016-08-16 Qualcomm Incorporated PDSCH transmission schemes with compact downlink control information (DCI) format in new carrier type (NCT) in LTE
US11290162B2 (en) 2014-04-16 2022-03-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
JP6278131B2 (ja) * 2014-06-16 2018-02-14 日本電気株式会社 Ｐｍｉを計算する方法及び無線通信システム
DE102014223328A1 (de) 2014-11-14 2016-05-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Antennenvorrichtung, Funkerkennungssystem und Verfahren zum Aussenden eines Funksignals
CN107210800A (zh) * 2015-02-13 2017-09-26 Lg电子株式会社 在多天线系统中基于公共反馈信息通信的方法和设备
US9985700B2 (en) * 2015-05-12 2018-05-29 Mediatek Inc. Channel state feedback enhancement in downlink multiuser superposition transmission
CN107370522B (zh) * 2016-05-13 2020-04-07 上海诺基亚贝尔股份有限公司 用于执行预编码的方法和装置
KR102515541B1 (ko) * 2016-07-19 2023-03-30 한국전자통신연구원 이동무선백홀 네트워크에서의 고속 이동체 단말 및 그의 제어정보 전송 방법과, 기지국의 제어정보 수신 방법
US10462801B2 (en) * 2017-05-05 2019-10-29 At&T Intellectual Property I, L.P. Multi-antenna transmission protocols for high doppler conditions
US10470072B2 (en) * 2017-06-15 2019-11-05 At&T Intellectual Property I, L.P. Facilitation of multiple input multiple output communication for 5G or other next generation network
WO2018232734A1 (en) 2017-06-23 2018-12-27 Qualcomm Incorporated Transmission strategy signaling
CN109121072A (zh) * 2017-06-26 2019-01-01 鸿富锦精密工业（深圳）有限公司 通讯网络控制系统
WO2019032030A1 (en) * 2017-08-11 2019-02-14 Telefonaktiebolaget Lm Ericsson (Publ) METHODS AND APPARATUS FOR REALIZING A NEW RADIO CELL SELECTION / RESELECTION
US10743318B2 (en) 2017-09-01 2020-08-11 Telefonaktiebolaget Lm Ericsson (Publ) Beam management in a cell
US10601472B2 (en) * 2017-11-14 2020-03-24 T-Mobile Usa, Inc. Systems and methods for improving cell-edge receiver performance
US10904725B2 (en) * 2018-01-12 2021-01-26 Qualcomm Incorporated Enhanced physical layer performance by inter-service information
WO2019151910A1 (en) * 2018-02-01 2019-08-08 Telefonaktiebolaget Lm Ericsson (Publ) Selecting a transmission rank in a multiple beam antenna system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0400370D0 (sv) 2004-02-13 2004-02-13 Ericsson Telefon Ab L M Adaptive MIMO architecture
EP1730864B1 (en) 2004-04-02 2018-10-31 Apple Inc. Wireless comunication methods, systems, and signal structures
JP4433867B2 (ja) 2004-04-28 2010-03-17 ソニー株式会社 無線通信システム
KR20070108304A (ko) * 2005-10-31 2007-11-09 삼성전자주식회사 다중 송수신 안테나 시스템에서의 채널 품질 정보 송수신방법 및 장치
WO2007106366A2 (en) * 2006-03-10 2007-09-20 Interdigital Technology Corporation Method and apparatus for scaling soft bits for decoding
WO2008013173A1 (en) * 2006-07-24 2008-01-31 Panasonic Corporation Reception device, transmission device, and communication method
JP5006001B2 (ja) * 2006-08-22 2012-08-22 株式会社エヌ・ティ・ティ・ドコモ 下りリンクｍｉｍｏ伝送制御方法および基地局装置
US7702029B2 (en) * 2006-10-02 2010-04-20 Freescale Semiconductor, Inc. MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding
US8144793B2 (en) * 2006-12-12 2012-03-27 Microsoft Corporation Cognitive multi-user OFDMA
US8780771B2 (en) * 2007-02-06 2014-07-15 Qualcomm Incorporated Cyclic delay diversity and precoding for wireless communication
US8379749B2 (en) * 2007-06-19 2013-02-19 Ntt Docomo, Inc. Transmitter and transmission method
CN101388699A (zh) * 2007-09-12 2009-03-18 夏普株式会社 基于空时频域的信息反馈方法和系统、用户设备及基站

Also Published As

Publication number Publication date
US20090086648A1 (en) 2009-04-02
JP2011504308A (ja) 2011-02-03
KR20100080548A (ko) 2010-07-08
CN101816203A (zh) 2010-08-25
BRPI0818521B1 (pt) 2020-09-15
KR101511401B1 (ko) 2015-04-24
EP2206381A2 (en) 2010-07-14
EP2206381A4 (en) 2016-06-15
WO2009074880A3 (en) 2011-04-28
WO2009074880A2 (en) 2009-06-18
US8948093B2 (en) 2015-02-03
CN101816203B (zh) 2014-10-15

Similar Documents

Publication Publication Date Title
BRPI0818521A2 (pt) adaptação de classificação para um modo multi-antena de malha aberta de comunicação sem fio
BRPI0806991A2 (pt) Diversidade de retardo cíclico e pré-codificação para comunicação sem fio
BRPI0909747A2 (pt) antenas ajustáveis adaptativas para dispositivo sem fio
BR112012004073A2 (pt) "esquema de pré-codificação não unitária para comunicações sem fio"
BRPI1009506A2 (pt) modo de beacon para comunicação sem fio
BRPI0912614A2 (pt) mitigação de interferência espacial para comunicação sem fio
EP2284944B8 (en) Mimo antenna device and wireless communication device
EP2356796A4 (en) SECURE WIRELESS COMMUNICATIONS
BRPI0818515A2 (pt) Comunicação sem fio segura
EP2245790A4 (en) Authentication mechanisms for wireless networks
GB2452010B (en) Wireless communication
IL208012A0 (en) Modified loop antenna
BRPI1013295A2 (pt) comunicação sem fio possuindo retardo de realimentação reduzido
ZA201007251B (en) Adaptive coexistence between different wireless communication systems
BRPI0817000A2 (pt) Operações semi-conectadas para comunicações sem fio
EP2352229A4 (en) HIGH FREQUENCY SWITCHING, HIGH FREQUENCY ELEMENT AND MULTI-BAND COMMUNICATION DEVICE
BRPI0919140A2 (pt) repetidores sem fio multibanda
BRPI0809227A2 (pt) Adaptação de transimissão em rede sem fio
BRPI0909038A2 (pt) provimento de múltiplos níveis de serviço para comunicação sem fio
EP2294858A4 (en) ANALYZER FOR A WIRELESS COMMUNICATION NETWORK
EP2246936A4 (en) ANTENNA AND WIRELESS COMMUNICATION DEVICE
WO2010036595A3 (en) Methods for multi-band wireless communication and bandwidth management
IL209885A0 (en) Radio communication device
BRPI0918639A2 (pt) transmissão sem fio de gigabits
DE602007013539D1 (de) Drahtlose kommunikationssysteme

Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: ROCKSTAR BIDCO, L.P. (US)

B25A Requested transfer of rights approved

Owner name: APPLE INC. (US)

B06T Formal requirements before examination [chapter 6.20 patent gazette]
B25G Requested change of headquarter approved

Owner name: APPLE INC. (US)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04W 28/18 , H04W 72/06

Ipc: H04B 7/06 (1968.09)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 15/09/2020, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2690 DE 26-07-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.