HK1208973A1 - Method and apparatus for single stream phase tracking in a wireless mimo communication system mimo - Google Patents

Method and apparatus for single stream phase tracking in a wireless mimo communication system mimo

Info

Publication number
HK1208973A1
HK1208973A1 HK15109613.1A HK15109613A HK1208973A1 HK 1208973 A1 HK1208973 A1 HK 1208973A1 HK 15109613 A HK15109613 A HK 15109613A HK 1208973 A1 HK1208973 A1 HK 1208973A1
Authority
HK
Hong Kong
Prior art keywords
mimo
communication system
single stream
phase tracking
stream phase
Prior art date
Application number
HK15109613.1A
Other languages
English (en)
Chinese (zh)
Inventor
‧史
‧張
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=45697257&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1208973(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of HK1208973A1 publication Critical patent/HK1208973A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2669—Details of algorithms characterised by the domain of operation
    • H04L27/2672—Frequency domain
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
HK15109613.1A 2010-08-26 2013-08-21 Method and apparatus for single stream phase tracking in a wireless mimo communication system mimo HK1208973A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/869,521 US8494075B2 (en) 2010-08-26 2010-08-26 Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication system

Publications (1)

Publication Number Publication Date
HK1208973A1 true HK1208973A1 (en) 2016-03-18

Family

ID=45697257

Family Applications (1)

Application Number Title Priority Date Filing Date
HK15109613.1A HK1208973A1 (en) 2010-08-26 2013-08-21 Method and apparatus for single stream phase tracking in a wireless mimo communication system mimo

Country Status (19)

Country Link
US (4) US8494075B2 (ja)
EP (1) EP2609710B1 (ja)
JP (4) JP5684389B2 (ja)
KR (1) KR101405605B1 (ja)
CN (2) CN103069740B (ja)
AU (1) AU2011293191B2 (ja)
BR (1) BR112013004558B1 (ja)
CA (1) CA2807383C (ja)
ES (1) ES2721150T3 (ja)
HK (1) HK1208973A1 (ja)
HU (1) HUE042622T2 (ja)
IL (2) IL224508A (ja)
MY (3) MY187788A (ja)
PH (2) PH12015500553B1 (ja)
RU (2) RU2660162C2 (ja)
SG (2) SG10201504527PA (ja)
UA (1) UA106439C2 (ja)
WO (1) WO2012027700A1 (ja)
ZA (1) ZA201301868B (ja)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8494075B2 (en) 2010-08-26 2013-07-23 Qualcomm Incorporated Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication system
CN106452521B (zh) * 2011-04-19 2019-12-10 太阳专利托管公司 中继装置和中继方法
US8767873B2 (en) * 2011-12-02 2014-07-01 Qualcomm Incorporated Systems and methods for communication over a plurality of frequencies and streams
US9231809B2 (en) * 2012-08-17 2016-01-05 Intel Corporation Methods and arrangements for phase tracking in wireless networks
US9544095B2 (en) * 2012-11-05 2017-01-10 Broadcom Corporation Channel estimation for phase-only feedback and methods for use therewith
US8848841B2 (en) * 2012-12-27 2014-09-30 Intel Corporation Techniques to accommodate different classes of devices in a wireless network
CN104168241B (zh) 2013-05-16 2017-10-17 华为技术有限公司 多输入输出正交频分复用通信系统及信号补偿方法
US9295016B2 (en) 2013-06-12 2016-03-22 Microsoft Technology Licensing, Llc Cooperative phase tracking in distributed multiple-input multiple-output system
WO2015054810A1 (zh) 2013-10-14 2015-04-23 华为技术有限公司 一种信号处理的方法、装置及系统
KR101721293B1 (ko) * 2013-12-31 2017-04-10 한국전자통신연구원 무선랜 시스템에서 채널을 추정하는 장치 및 방법
EP3110016B1 (en) * 2014-03-11 2018-05-23 Huawei Technologies Co., Ltd. Signal processing method and apparatus
US20160066320A1 (en) * 2014-09-02 2016-03-03 Qualcomm Incorporated Dedicated single stream pilots for uplink multi-user mimo
US10154476B2 (en) * 2014-09-04 2018-12-11 Qualcomm Incorporated Tone plan for LTF compression
JP6827412B2 (ja) 2014-09-12 2021-02-10 インターデイジタル パテント ホールディングス インコーポレイテッド 無線ローカルエリアネットワーク（ｗｌａｎ）システムにおける同時送信のためのプリアンブル選択
WO2016049817A1 (zh) * 2014-09-29 2016-04-07 华为技术有限公司 信道估计方法、通信节点及通信系统
KR102603802B1 (ko) * 2015-02-04 2023-11-20 엘지전자 주식회사 무선 통신 시스템에서 다중 사용자 송수신을 위한 방법 및 이를 위한 장치
US10237839B2 (en) * 2015-06-15 2019-03-19 Qualcomm Incorporated Phase tracking in training fields
US10439663B2 (en) * 2016-04-06 2019-10-08 Qualcomm Incorporated Methods and apparatus for phase noise estimation in data symbols for millimeter wave communications
US10187893B2 (en) * 2016-04-19 2019-01-22 Lg Electronics Inc. Method and apparatus for configuring long training field in wireless local network system
US10979191B2 (en) * 2016-08-05 2021-04-13 Samsung Electronics Co., Ltd. Method and apparatus for reference signal signaling for advanced wireless communications
EP3370464B1 (en) * 2017-03-02 2020-02-26 Nxp B.V. Processing module and associated method
CN108632005B (zh) 2017-03-24 2023-12-15 华为技术有限公司 一种参考信号传输方法、装置及系统
EP3451599A1 (en) * 2017-09-05 2019-03-06 Nxp B.V. Carrier recovery system and method
CN110149285B (zh) * 2019-04-28 2020-07-31 中国科学院计算技术研究所 一种在低比特量化的高阶调制中降低相位误差的方法
CN110224963B (zh) * 2019-04-30 2020-03-24 高拓讯达（北京）科技有限公司 符号定时同步位置的确定方法及装置、存储介质
BR112021022400A2 (pt) 2019-05-09 2021-12-28 Ericsson Telefon Ab L M Método realizados por um nó de rede e um dispositivo sem fio, nó de rede, e, dispositivo sem fio
MX2021013487A (es) 2019-05-09 2021-12-10 Ericsson Telefon Ab L M Sondeo de canales para transmision distribuida.
CN110300315B (zh) * 2019-07-24 2021-08-13 北京达佳互联信息技术有限公司 一种视频码率确定方法、装置、电子设备及存储介质
US20230124141A1 (en) * 2021-10-20 2023-04-20 Qualcomm Incorporated Iterative phase-noise cancellation
US11601150B1 (en) 2021-11-17 2023-03-07 Ultralogic 6G, Llc Demodulation for phase-noise mitigation in 5G and 6G
US11736320B2 (en) * 2022-02-14 2023-08-22 Ultralogic 6G, Llc Multiplexed amplitude-phase modulation for 5G/6G noise mitigation
US11799707B2 (en) 2022-09-06 2023-10-24 Ultralogic 6G, Llc Guard-space phase-tracking reference signal for 5G and 6G networking
US11637649B2 (en) 2022-09-06 2023-04-25 Ultralogic 6G, Llc Phase-noise mitigation at high frequencies in 5G and 6G
US11558236B1 (en) 2022-09-06 2023-01-17 Ultralogic 6G, Llc Single-branch reference for high-frequency phase tracking in 5G and 6G

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3304577B2 (ja) 1993-12-24 2002-07-22 三菱電機株式会社 半導体記憶装置とその動作方法
US5898638A (en) 1997-03-11 1999-04-27 Micron Technology, Inc. Latching wordline driver for multi-bank memory
US6134260A (en) 1997-12-16 2000-10-17 Ericsson Inc. Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers
US6366524B1 (en) 2000-07-28 2002-04-02 Micron Technology Inc. Address decoding in multiple-bank memory architectures
US20020065047A1 (en) 2000-11-30 2002-05-30 Moose Paul H. Synchronization, channel estimation and pilot tone tracking system
WO2004015946A1 (en) * 2002-08-13 2004-02-19 Koninklijke Philips Electronics N.V. Joint channel and noise variance estimation in a wideband ofdm system
US7408978B2 (en) 2002-09-09 2008-08-05 Interdigital Technology Corporation Extended algorithm data estimator
EP1609284A1 (en) * 2003-03-28 2005-12-28 Intel Corporation System and method for adaptive phase compensation of ofdm signals
US7616698B2 (en) * 2003-11-04 2009-11-10 Atheros Communications, Inc. Multiple-input multiple output system and method
KR100589678B1 (ko) * 2003-12-24 2006-06-15 삼성전자주식회사 직교 주파수 분할 다중 접속 시스템의 상향 링크 채널추정 시스템 및 그 방법
US7450489B2 (en) * 2003-12-30 2008-11-11 Intel Corporation Multiple-antenna communication systems and methods for communicating in wireless local area networks that include single-antenna communication devices
KR100922948B1 (ko) * 2004-03-11 2009-10-22 삼성전자주식회사 상향링크 직교주파수분할다중접속 시스템을 위한 파일럿설계 방법
US7408976B1 (en) 2004-05-19 2008-08-05 Marvell International Ltd. MIMO-OFDM receiver processing with frequency and channel estimation
US7372913B2 (en) 2004-07-22 2008-05-13 Qualcomm Incorporated Pilot tones in a multi-transmit OFDM system usable to capture transmitter diversity benefits
RU2289883C2 (ru) * 2004-12-22 2006-12-20 Самсунг Электроникс Ко., Лтд. Способ квазикогерентного приема многолучевого сигнала
JP2006295629A (ja) 2005-04-12 2006-10-26 Sony Corp 無線通信システム、無線通信装置及び無線通信方法
JP2007028602A (ja) * 2005-07-15 2007-02-01 Sanyo Electric Co Ltd 無線装置
JP4362573B2 (ja) 2005-07-28 2009-11-11 パトレネラ キャピタル リミテッド， エルエルシー メモリ
US7466620B2 (en) 2006-01-04 2008-12-16 Baker Mohammad System and method for low power wordline logic for a memory
US7620370B2 (en) 2006-07-13 2009-11-17 Designart Networks Ltd Mobile broadband wireless access point network with wireless backhaul
JP2009071493A (ja) * 2007-09-12 2009-04-02 Sony Corp 無線通信システム、並びに無線通信装置及び無線通信方法
US8144683B1 (en) 2007-11-29 2012-03-27 Qualcomm Atheros, Inc. High throughput fine timing
ES2431337T3 (es) * 2008-06-04 2013-11-26 Sony Corporation Nueva estructura de trama para sistemas de múltiples portadoras
US20100046656A1 (en) * 2008-08-20 2010-02-25 Qualcomm Incorporated Preamble extensions
JP4561916B2 (ja) * 2008-10-31 2010-10-13 ソニー株式会社 無線通信装置及び無線通信方法、信号処理装置及び信号処理方法、並びにコンピューター・プログラム
US8270517B2 (en) * 2009-02-13 2012-09-18 Qualcomm Incorporated Method and apparatus for orthogonal pilot tone mapping in multiple-in and multiple-out (MIMO) and spatial division multiple access (SDMA) systems
WO2010095802A1 (en) * 2009-02-18 2010-08-26 Lg Electronics Inc. Coexistent channel access method
US8526351B2 (en) * 2009-06-05 2013-09-03 Broadcom Corporation Channel characterization and training within multiple user, multiple access, and/or MIMO wireless communications
US9197298B2 (en) 2009-06-05 2015-11-24 Broadcom Corporation Group identification and definition within multiple user, multiple access, and/or MIMO wireless communications
WO2011050320A1 (en) * 2009-10-23 2011-04-28 Marvell World Trade Ltd. Number of streams indication for wlan
RU2504080C2 (ru) * 2009-12-10 2014-01-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство передачи обучающего сигнала в системе беспроводной локальной вычислительной сети
CN101764643A (zh) * 2009-12-31 2010-06-30 北京交通大学 基于物理层Mesh模式联合前导和导频的信道均衡方法及系统
US8494075B2 (en) 2010-08-26 2013-07-23 Qualcomm Incorporated Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication system

Also Published As

Publication number Publication date
US20150063283A1 (en) 2015-03-05
CN104767699B (zh) 2018-03-06
RU2013113173A (ru) 2014-10-10
RU2015101427A (ru) 2015-06-10
IL248434A (en) 2017-10-31
HUE042622T2 (hu) 2019-07-29
JP5917660B2 (ja) 2016-05-18
SG10201504527PA (en) 2015-07-30
BR112013004558B1 (pt) 2021-11-30
RU2015101427A3 (ja) 2018-05-08
JP2013536656A (ja) 2013-09-19
CA2807383A1 (en) 2012-03-01
WO2012027700A1 (en) 2012-03-01
AU2011293191B2 (en) 2015-03-26
EP2609710B1 (en) 2019-02-20
CN103069740A (zh) 2013-04-24
BR112013004558A2 (pt) 2018-01-30
US8494075B2 (en) 2013-07-23
PH12015500553A1 (en) 2015-10-05
MY159915A (en) 2017-02-15
US9832064B2 (en) 2017-11-28
JP2015073289A (ja) 2015-04-16
PH12015500553B1 (en) 2015-10-05
JP2016167829A (ja) 2016-09-15
JP5684389B2 (ja) 2015-03-11
EP2609710A4 (en) 2017-07-05
US20170180179A1 (en) 2017-06-22
JP2018023119A (ja) 2018-02-08
ZA201301868B (en) 2013-11-27
ES2721150T3 (es) 2019-07-29
CN103069740B (zh) 2016-11-09
US20130315326A1 (en) 2013-11-28
JP6513752B2 (ja) 2019-05-15
IL224508A (en) 2016-11-30
US9935750B2 (en) 2018-04-03
US20120051476A1 (en) 2012-03-01
SG187891A1 (en) 2013-03-28
US8885755B2 (en) 2014-11-11
PH12015500556B1 (en) 2015-10-05
EP2609710A1 (en) 2013-07-03
JP6199434B2 (ja) 2017-09-20
RU2660162C2 (ru) 2018-07-05
RU2546148C2 (ru) 2015-04-10
AU2011293191A1 (en) 2013-02-28
PH12015500556A1 (en) 2015-10-05
UA106439C2 (ru) 2014-08-26
CA2807383C (en) 2017-06-13
MY192497A (en) 2022-08-24
CN104767699A (zh) 2015-07-08
MY187788A (en) 2021-10-23
KR101405605B1 (ko) 2014-06-10
KR20130051482A (ko) 2013-05-20

Similar Documents

Publication Publication Date Title
HK1208973A1 (en) Method and apparatus for single stream phase tracking in a wireless mimo communication system mimo
EP2621104A4 (en) METHOD AND DEVICE FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM WITH SUPPORT FOR SEVERAL ANTENNAS
EP2737639A4 (en) APPARATUS AND METHOD FOR FORMING BEAMS IN A WIRELESS COMMUNICATION SYSTEM
EP2555444A4 (en) METHOD AND DEVICE FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM WITH SUPPORT FOR SEVERAL ANTENNAS
EP2624472A4 (en) METHOD AND DEVICE FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM WITH SUPPORT FOR SEVERAL ANTENNAS
EP2624473A4 (en) METHOD AND DEVICE FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM WITH SUPPORT FOR SEVERAL ANTENNAS
EP2684328A4 (en) METHOD AND DEVICE FOR OPEN-LOOP TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE ANTENNAS
EP2523378A4 (en) METHOD AND DEVICE FOR GENERATING A REFERENCE SIGNAL SEQUENCE IN A WIRELESS COMMUNICATION SYSTEM
EP2537267A4 (en) METHOD AND APPARATUS FOR DISCONTINUOUS RECEPTION CONTROL IN A WIRELESS COMMUNICATION SYSTEM
EP2560298A4 (en) METHOD AND DEVICE FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM WITH SUPPORT FOR SEVERAL ANTENNAS
EP2571182A4 (en) METHOD AND DEVICE FOR GENERATING A REFERENCE SIGNAL SEQUENCE IN A WIRELESS COMMUNICATION SYSTEM
EP2555450A4 (en) METHOD AND DEVICE FOR ACTIVATING CARRIERS IN A MOBILE TELECOMMUNICATION SYSTEM
PL2564228T3 (pl) Sposób i urządzenie do pozyskiwania czasu odniesienia dla pozycjonowania sygnałów odniesienia w sieci komunikacji bezprzewodowej
EP2696516A4 (en) METHOD AND APPARATUS FOR PLANNING IN A WIRELESS COMMUNICATION SYSTEM
ZA201402061B (en) Wireless communication apparatus, wireless communication method, and wireless communication system
EP2792116A4 (en) DEVICE AND METHOD FOR TRANSMITTING A SIGNAL IN A WIRELESS COMMUNICATION SYSTEM
EP2637319A4 (en) METHOD AND APPARATUS FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNAS
EP2865104A4 (en) COMMUNICATION METHOD AND APPARATUS BY MEANS OF IRRADIATION IN A WIRELESS COMMUNICATION SYSTEM
EP2600536A4 (en) METHOD AND DEVICE FOR TRANSMITTING A MIMO PACKAGE IN A WIRELESS LAN SYSTEM
EP2759069A4 (en) DEVICE AND METHOD FOR OPERATING MULTIPLE BEAM MOLDING OF TRANSMITTER RECEIVERS IN A WIRELESS COMMUNICATION SYSTEM
EP2579477A4 (en) METHOD AND DEVICE FOR SENDING AND RECEIVING DATA IN A WI-FI SYSTEM
EP2560297A4 (en) METHOD AND DEVICE FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNAS
EP2560296A4 (en) METHOD AND DEVICE FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNAS
EP2641103A4 (en) Positioning method and apparatus in wireless communication system
EP2536235A4 (en) WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION PROCESS