ATE487291T1 - Wlan-kapazitäts-erweiterung durch verwendung von sdm - Google Patents

Wlan-kapazitäts-erweiterung durch verwendung von sdm

Info

Publication number
ATE487291T1
ATE487291T1 AT04745077T AT04745077T ATE487291T1 AT E487291 T1 ATE487291 T1 AT E487291T1 AT 04745077 T AT04745077 T AT 04745077T AT 04745077 T AT04745077 T AT 04745077T AT E487291 T1 ATE487291 T1 AT E487291T1
Authority
AT
Austria
Prior art keywords
sdm
stations
capacity expansion
wlan
wifi
Prior art date
Application number
AT04745077T
Other languages
English (en)
Inventor
Mati Wax
Ruby Tweg
Aviv Aviram
Evgeni Levitan
Amit Freiman
Einat Ofir-Arad
Hovav Elzas
Alex Podyetsky
Avi Vaknin
Yael Shavit
Original Assignee
Wavion 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 Wavion Ltd filed Critical Wavion Ltd
Application granted granted Critical
Publication of ATE487291T1 publication Critical patent/ATE487291T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/046Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/10Flow control between communication endpoints
    • H04W28/14Flow control between communication endpoints using intermediate storage
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Amplifiers (AREA)
AT04745077T 2003-08-27 2004-08-10 Wlan-kapazitäts-erweiterung durch verwendung von sdm ATE487291T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49851003P 2003-08-27 2003-08-27
PCT/IL2004/000738 WO2005022833A2 (en) 2003-08-27 2004-08-10 Wlan capacity enhancement using sdm

Publications (1)

Publication Number Publication Date
ATE487291T1 true ATE487291T1 (de) 2010-11-15

Family

ID=34272686

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04745077T ATE487291T1 (de) 2003-08-27 2004-08-10 Wlan-kapazitäts-erweiterung durch verwendung von sdm

Country Status (5)

Country Link
US (1) US8014366B2 (de)
EP (1) EP1665642B1 (de)
AT (1) ATE487291T1 (de)
DE (1) DE602004029906D1 (de)
WO (1) WO2005022833A2 (de)

Families Citing this family (157)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4303373B2 (ja) * 1999-09-14 2009-07-29 株式会社日立コミュニケーションテクノロジー 無線基地局装置
EP1502364A4 (de) * 2002-04-22 2010-03-31 Ipr Licensing Inc Funksender/-empfänger mit mehreren eingängen und mehreren ausgängen
US8194770B2 (en) * 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
CN1170450C (zh) * 2002-09-13 2004-10-06 大唐移动通信设备有限公司 对智能天线阵进行实时校准的方法
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8170513B2 (en) * 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8134976B2 (en) * 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US8570988B2 (en) * 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7986742B2 (en) * 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US7002900B2 (en) * 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7333788B2 (en) * 2002-12-20 2008-02-19 Texas Instruments Incorporated Method for calibrating automatic gain control in wireless devices
US7916803B2 (en) 2003-04-10 2011-03-29 Qualcomm Incorporated Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
US8743837B2 (en) * 2003-04-10 2014-06-03 Qualcomm Incorporated Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
US7586884B2 (en) * 2003-08-15 2009-09-08 Qualcomm Incorporated Joint packet detection in wireless communication system with one or more receiver
US20050120463A1 (en) * 2003-11-14 2005-06-09 Joseph Cacioppo Disposable hygienic sock
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
JP4190406B2 (ja) * 2003-12-25 2008-12-03 三洋電機株式会社 周波数オフセット推定方法およびそれを利用した周波数オフセット補正装置
US7289481B2 (en) * 2004-03-24 2007-10-30 Wavion Ltd. WLAN capacity enhancement by contention resolution
KR20050109789A (ko) * 2004-05-17 2005-11-22 삼성전자주식회사 공간분할다중화/다중입력다중출력 시스템에서의 빔포밍 방법
WO2005119922A2 (en) * 2004-05-27 2005-12-15 Airgo Networks, Inc. Modified ieee 802.11a for interoperability between 802.11a devices
US8280443B2 (en) * 2004-07-30 2012-10-02 Hong Kong Applied Science And Technology Research Institute Co., Ltd. WLAN access point with extended coverage area
US7440777B2 (en) 2004-08-13 2008-10-21 Broadcom Corporation Multi-transceiver system with MIMO and beam-forming capability
US7711374B2 (en) * 2004-08-13 2010-05-04 Broadcom Corporation Dynamic reconfiguration of communication resources in a multi-transceiver configuration
US7299070B2 (en) * 2004-08-13 2007-11-20 Broadcom Corporation Dynamic MIMO resource allocation during a single communication
JP4492264B2 (ja) * 2004-09-13 2010-06-30 株式会社日立製作所 直交検出器ならびにそれを用いた直交復調器およびサンプリング直交復調器
CN1753395A (zh) * 2004-09-24 2006-03-29 松下电器产业株式会社 多天线无线通信系统的符号定时方法
US20060109927A1 (en) * 2004-11-19 2006-05-25 Texas Instruments Incorporated Synchronizer, method of synchronizing signals and MIMO transceiver employing the same
KR100633047B1 (ko) * 2004-12-02 2006-10-11 삼성전자주식회사 신호 보정 장치 및 방법을 구현하는 스마트 안테나 통신 시스템
JP4338624B2 (ja) * 2004-12-07 2009-10-07 三洋電機株式会社 周波数オフセット推定方法およびそれを利用した周波数オフセット補正装置
KR100702456B1 (ko) * 2004-12-10 2007-04-03 한국전자통신연구원 심벌 동기 검출 방법 및 그 장치
KR100706229B1 (ko) * 2004-12-21 2007-04-11 삼성전자주식회사 내장된 송수신기들 간의 반송파 주파수 차를 보상하는다중 송수신 시스템 및 그 방법
US7719993B2 (en) * 2004-12-30 2010-05-18 Intel Corporation Downlink transmit beamforming
US8774327B2 (en) * 2005-01-28 2014-07-08 Broadcom Corporation Adjustable RF receiver
US8068550B2 (en) * 2005-01-28 2011-11-29 Broadcom Corporation Initiation of a MIMO communication
KR100713507B1 (ko) * 2005-01-28 2007-05-02 삼성전자주식회사 폐쇄형 송신 다이버시티 안테나 검증 장치 및 방법
EP2063596B1 (de) * 2005-03-21 2018-03-07 QUALCOMM Incorporated Verbund-Paketdetektion in einem drahtlosen Kommunikationssystem mit einem oder mehreren Empfängern
EP1861976A1 (de) * 2005-03-21 2007-12-05 Airgo Networks, Inc. Verbund-paketdetektion in einem drahtlosen kommunikationssystem mit einem oder mehreren empfängern
JP4826122B2 (ja) * 2005-04-14 2011-11-30 日本電気株式会社 Cdma移動通信システムの受信電力測定方法およびcdma移動通信システム
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US7496340B1 (en) * 2005-06-02 2009-02-24 Rf Micro Devices, Inc. I/Q mismatch calibration of direct conversion receivers using radio frequency noise
US8116818B2 (en) 2005-06-02 2012-02-14 Cisco Technology, Inc. Method and system for transmitter beamforming
US8358714B2 (en) * 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
US20070064651A1 (en) * 2005-08-08 2007-03-22 Samsung Electronics Co., Ltd. Apparatus and method for performing handoff in cellular environments
JP5210864B2 (ja) * 2005-08-22 2013-06-12 コーダ ワイヤレス プロプライアトリ リミテッド 無線ネットワークにおける通信方法および通信システム
US7907971B2 (en) * 2005-08-22 2011-03-15 Airgain, Inc. Optimized directional antenna system
KR100868463B1 (ko) * 2005-08-30 2008-11-12 삼성전자주식회사 시분할 복신 시스템에서 아이/큐 부정합 보상 장치 및 방법
US8295884B2 (en) * 2005-11-22 2012-10-23 Samsung Electronics Co., Ltd Method and system for providing digital compensation and vector calibration for a base station in a wireless network
EP1791278A1 (de) * 2005-11-29 2007-05-30 Interuniversitair Microelektronica Centrum (IMEC) Verfahren und Vorrichtung zum Eichen von MIMO-Systemen
WO2007075606A2 (en) * 2005-12-20 2007-07-05 Conexant Systems, Inc. More power save multi-poll indication
US7489670B2 (en) * 2005-12-27 2009-02-10 Celeno Communications Ltd. Device, system and method of uplink/downlink communication in wireless network
US7672400B2 (en) * 2005-12-29 2010-03-02 Celeno Communications (Israel) Ltd. Method of secure WLAN communication
US20070153754A1 (en) * 2005-12-29 2007-07-05 Nir Shapira Method, apparatus and system of spatial division multiple access communication in a wireless local area network
US9071435B2 (en) 2005-12-29 2015-06-30 Celeno Communications Ltd. System and method for tuning transmission parameters in multi-user multiple-input-multiple-output systems with aged and noisy channel estimation
US7570624B2 (en) 2005-12-29 2009-08-04 Celeno Communications (Israel) Ltd. Device, system and method of uplink/downlink communication in wireless network
US20070153760A1 (en) * 2005-12-29 2007-07-05 Nir Shapira Method, apparatus and system of spatial division multiple access communication in a wireless local area network
US7656965B2 (en) * 2005-12-29 2010-02-02 Celeno Communications (Israel) Ltd. Method of secure WLAN communication
US7751353B2 (en) * 2005-12-29 2010-07-06 Celeno Communications (Israel) Ltd. Device, system and method of securing wireless communication
US7899107B1 (en) 2006-04-17 2011-03-01 Marvell International Ltd. Preamble detection using low-complexity cross-correlation
US8248959B2 (en) * 2006-05-30 2012-08-21 Telecom Ventures, L.L.C. Methods, apparatus and computer program products for beacon generation and processing in an OFDM communications system
US7991077B1 (en) * 2006-05-31 2011-08-02 Marvell International Ltd. Preamble detection with multiple receive antennas
US7929513B2 (en) * 2006-10-30 2011-04-19 At&T Intellectual Property I, Lp Wireless local area network access points, end-point communication devices, and computer program products that generate security alerts based on characteristics of interfering signals and/or connection messages
US8744023B1 (en) 2006-11-28 2014-06-03 Marvell International Ltd. Interference whitening filters for MIMO maximum likelihood receivers
US20080146163A1 (en) * 2006-12-14 2008-06-19 Motorola, Inc. Diversity control of multi-mode communication devices
US8023999B2 (en) * 2006-12-28 2011-09-20 Alcatel Lucent Base station architecture using decentralized duplexers
WO2008082344A1 (en) * 2007-01-04 2008-07-10 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for improving transmission efficiency in a mobile radio communications system
US8072957B2 (en) * 2007-01-18 2011-12-06 Proximetry, Inc. System and method for incorporating dynamic orthogonal frequency-division multiplexing into wireless network protocols
US8699421B2 (en) * 2007-01-19 2014-04-15 Samsung Electronics Co., Ltd. Method and system for wireless communication using channel selection and bandwidth reservation
US8181076B2 (en) * 2007-01-26 2012-05-15 Cisco Technology, Inc. Method for retransmitting a data sequence according to channel condition in a wireless communications network
US8121211B2 (en) * 2007-03-26 2012-02-21 Cisco Technology, Inc. Adaptive switching techniques for hybrid automatic repeat request systems
US11128501B2 (en) * 2007-07-30 2021-09-21 HuWoMobility, Inc. Method for fast convergence calibration of radio-frequency transceivers
US8559571B2 (en) * 2007-08-17 2013-10-15 Ralink Technology Corporation Method and apparatus for beamforming of multi-input-multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) transceivers
US7986755B2 (en) * 2007-08-17 2011-07-26 Ralink Technology Corporation Method and apparatus for calibration for beamforming of multi-input-multi-output (MIMO) orthogonol frequency division multiplexing (OFDM) transceivers
WO2009084877A1 (en) * 2007-12-28 2009-07-09 Samsung Electronics Co., Ltd. Method and apparatus for transmitting/receiving downlink data in wireless communication network
KR101428812B1 (ko) * 2007-12-28 2014-08-08 삼성전자주식회사 무선 통신 네트워크에서 하향 링크 데이터 송수신 방법 및 장치
WO2009083978A2 (en) * 2007-12-31 2009-07-09 Mobilicom Ltd. Method, device and system of wireless communication
US8126086B2 (en) * 2008-01-31 2012-02-28 Agilent Technologies, Inc. System and method for in-phase/quadrature-phase (I/Q) mismatch measurement and compensation
US8638811B2 (en) * 2008-03-17 2014-01-28 Qualcomm Incorporated Reconfigurable multiple-input multiple-output systems and methods
US8107545B2 (en) * 2008-04-30 2012-01-31 Samsung Electronics Co., Ltd. Method and system for phase tracking in wireless communication systems
US8274937B2 (en) * 2008-08-26 2012-09-25 Samsung Electronics Co., Ltd. Method and apparatus for beamforming in OFDM wireless system
GB2465404A (en) * 2008-11-18 2010-05-19 Iti Scotland Ltd Plural antenna elements with a switching arrangement and method
US9055531B2 (en) * 2008-12-01 2015-06-09 Marvellworld Trade Ltd. Portable AP enhancements
GB2467772B (en) * 2009-02-13 2012-05-02 Socowave Technologies Ltd Communication system, network element and method for antenna array calibration
US8295258B2 (en) * 2009-02-17 2012-10-23 Wavion, Ltd Enhancing WLAN performance in the presence of interference
EP2224611A1 (de) * 2009-02-27 2010-09-01 Astrium Limited Kompensierungsvorrichtung
US9924512B1 (en) 2009-03-24 2018-03-20 Marvell International Ltd. OFDMA with block tone assignment for WLAN
CN102369674B (zh) * 2009-03-31 2014-07-23 马维尔国际贸易有限公司 用于无线通信的方法、装置及系统
US8351871B2 (en) * 2009-04-23 2013-01-08 Honeywell International Inc. Apparatus and method for interferometric frequency modulation to exploit cooperative interference in wireless communications
US20100296554A1 (en) * 2009-05-19 2010-11-25 Ralink Technology (Singapore) Corporation Method and system for detecting data from multiple antennas
US8953663B2 (en) * 2009-09-25 2015-02-10 Intel Corporation Calibration of quadrature imbalance via loopback phase shifts
US8886755B1 (en) * 2009-12-09 2014-11-11 Marvell International Ltd. Method and apparatus for facilitating simultaneous transmission from multiple stations
US8542696B2 (en) 2009-12-16 2013-09-24 Intel Corporation Device, system and method of simultaneously communicating with a group of wireless communication units
US20110149731A1 (en) * 2009-12-17 2011-06-23 Gong Michelle X Device, system and method of scheduling communications with a group of wireless communication units
KR101298591B1 (ko) * 2009-12-17 2013-08-26 한국전자통신연구원 무선 통신 시스템에서 데이터 송수신 장치 및 방법
KR101307512B1 (ko) * 2009-12-18 2013-09-12 한국전자통신연구원 무선 통신 시스템에서 데이터 수신 장치 및 방법
US8599753B2 (en) * 2009-12-18 2013-12-03 Electronics And Telecommunications Research Institute Apparatus and method for receiving/transmitting data in wireless communication system
US9160431B2 (en) 2010-04-27 2015-10-13 Qualcomm Incorporated Efficient group definition and overloading for multiuser MIMO transmissions
US9089002B2 (en) * 2010-05-16 2015-07-21 Qualcomm Incorporated Efficient group ID management for wireless local area networks (WLANs)
US8711905B2 (en) 2010-05-27 2014-04-29 Intel Corporation Calibration of quadrature imbalances using wideband signals
TWI437829B (zh) * 2010-06-17 2014-05-11 Realtek Semiconductor Corp 展頻通訊系統、通道淨空評估裝置及相關方法
JP5910948B2 (ja) 2010-08-26 2016-04-27 マーベル ワールド トレード リミテッド 一次アクセスカテゴリおよび二次アクセスカテゴリを有する無線通信
US20120113828A1 (en) * 2010-11-09 2012-05-10 Thomas Williston Head Beam-former hub
KR101698365B1 (ko) 2010-12-01 2017-01-20 삼성전자주식회사 그룹 아이디를 할당하는 액세스 포인트 및 그룹 아이디 할당 방법
KR101806311B1 (ko) * 2011-03-04 2017-12-07 삼성전자주식회사 규준화된 빔포밍을 사용하는 네트워크 다중 입출력 통신 시스템
CN102185644B (zh) * 2011-06-02 2014-05-14 西安电子科技大学 基于联合波束赋形的空分多址接入方法
US8467363B2 (en) 2011-08-17 2013-06-18 CBF Networks, Inc. Intelligent backhaul radio and antenna system
US8422540B1 (en) 2012-06-21 2013-04-16 CBF Networks, Inc. Intelligent backhaul radio with zero division duplexing
US8675781B2 (en) * 2011-09-08 2014-03-18 Thinkrf Corporation Radio frequency receiver system for wideband signal processing
US9225482B2 (en) 2011-10-17 2015-12-29 Golba Llc Method and system for MIMO transmission in a distributed transceiver network
IL218047A (en) * 2012-02-12 2017-09-28 Elta Systems Ltd Devices and methods are added, for spatial suppression of interference in wireless networks
CN102624471B (zh) * 2012-03-06 2014-07-16 中兴通讯股份有限公司 一种有源天线通道异常检测和修复的方法及装置
GB2501898A (en) * 2012-05-09 2013-11-13 Renesas Mobile Corp Simultaneous transmission of uplink and downlink data in a wireless network
US9119074B2 (en) 2012-06-05 2015-08-25 Qualcomm Incorporated Uplink downlink resource partitions in access point design
US9226092B2 (en) 2012-08-08 2015-12-29 Golba Llc Method and system for a distributed configurable transceiver architecture and implementation
US9065491B2 (en) 2012-12-21 2015-06-23 Qualcomm Incorporated Adjusting phase imbalance between in-phase (I) and quadrature-phase (Q) signals
US8706067B1 (en) * 2013-01-25 2014-04-22 Kiomars Anvari Wireless sensor with analog detector
US8976887B2 (en) * 2013-03-19 2015-03-10 Broadcom Corporation Phase noise estimation for MIMO communication
CN104219210B (zh) * 2013-06-03 2018-12-14 华为技术有限公司 一种传输模式的建立方法及装置
US8964875B2 (en) * 2013-06-10 2015-02-24 Mstar Semiconductor, Inc. Adaptive IQ imbalance estimation
US9306645B2 (en) 2013-07-26 2016-04-05 Marvell World Trade Ltd. Interference avoidance for beamforming transmissions in wireless communication devices and systems
US9445411B2 (en) * 2013-10-01 2016-09-13 Alcatel Lucent Controlling uplink transmissions from interfering stations
US10123362B2 (en) * 2013-12-18 2018-11-06 Telefonaktiebolaget Lm Ericsson (Publ) Operation of a multi-standard base station site supporting at least two different radio access technologies
US9837712B2 (en) * 2014-09-19 2017-12-05 Qorvo Us, Inc. Antenna array calibration for wireless charging
US9837713B2 (en) * 2014-09-23 2017-12-05 Qorvo Us, Inc. Antenna array calibration for wireless charging
CN107005322B (zh) * 2014-10-17 2019-10-11 思科技术公司 与多个无线通信装置同时通信的系统和方法
US9467986B2 (en) * 2014-10-17 2016-10-11 Daniel Joseph Lyons System and methods for simultaneous communication with multiple wireless communication devices
US9866416B2 (en) * 2014-10-17 2018-01-09 Cisco Technology, Inc. System and method for simultaneous communication with multiple wireless communication devices
US9590745B2 (en) 2014-11-20 2017-03-07 Mediatek Inc. Scheme for performing beamforming calibration by measuring joint signal path mismatch
US9673874B2 (en) * 2015-04-27 2017-06-06 Aruba Networks, Inc. System and method for controlling selection of network devices for beamforming
US10623008B2 (en) * 2015-04-30 2020-04-14 Xilinx, Inc. Reconfigurable fractional-N frequency generation for a phase-locked loop
US10084552B2 (en) 2015-05-11 2018-09-25 Collision Communications, Inc. Methods, systems, and computer program products for calibrating hardware-induced distortion in a communication system
US9503207B1 (en) 2015-05-11 2016-11-22 Collision Communications, Inc. Methods, systems, and computer program products for calibrating phase hardware-induced distortion in a long term evolution communications system
US9693319B2 (en) 2015-05-11 2017-06-27 Collision Communications, Inc. Methods systems, and computer program products for calibrating amplitude hardware-induced distortion in a long term evolution (LTE) communications system
CN107105483B (zh) * 2016-02-22 2020-04-28 华为技术有限公司 基站和通信方法
DE102016110344A1 (de) * 2016-06-03 2017-12-07 Infineon Technologies Ag Rf-empfänger mit eingebauter selbsttestfunktion
US9960874B2 (en) * 2016-07-20 2018-05-01 Zinwave, Ltd. Techniques for managing interference in a network environment
US10560243B2 (en) * 2017-01-13 2020-02-11 Qualcomm Incorporated Systems and methods to select or transmitting frequency domain patterns for phase tracking reference signals
US11070335B2 (en) 2017-01-13 2021-07-20 Qualcomm Incorporated Apparatus and method for determining resources for phase tracking reference signal (PT-RS) pilot signals using frequency domain patterns
US10321332B2 (en) 2017-05-30 2019-06-11 Movandi Corporation Non-line-of-sight (NLOS) coverage for millimeter wave communication
US10484078B2 (en) 2017-07-11 2019-11-19 Movandi Corporation Reconfigurable and modular active repeater device
US10348371B2 (en) 2017-12-07 2019-07-09 Movandi Corporation Optimized multi-beam antenna array network with an extended radio frequency range
US10862559B2 (en) 2017-12-08 2020-12-08 Movandi Corporation Signal cancellation in radio frequency (RF) device network
US10090887B1 (en) 2017-12-08 2018-10-02 Movandi Corporation Controlled power transmission in radio frequency (RF) device network
US10637159B2 (en) 2018-02-26 2020-04-28 Movandi Corporation Waveguide antenna element-based beam forming phased array antenna system for millimeter wave communication
US11088457B2 (en) 2018-02-26 2021-08-10 Silicon Valley Bank Waveguide antenna element based beam forming phased array antenna system for millimeter wave communication
EP3557769A1 (de) * 2018-04-18 2019-10-23 Sivers Ima AB Funkfrequenzsendeempfänger
CN117200955A (zh) 2019-01-30 2023-12-08 华为技术有限公司 空间复用的指示方法及无线通信装置
WO2021019885A1 (ja) * 2019-07-31 2021-02-04 日本電気株式会社 無線通信装置及び無線通信方法
US11909463B2 (en) * 2019-11-27 2024-02-20 Qualcomm Incorporated Inter-beam phase factor tracking
US20230224049A1 (en) * 2020-06-09 2023-07-13 Telefonaktiebolaget Lm Ericsson (Publ) Mitigation of local oscillator leakage
TWI739663B (zh) * 2020-11-16 2021-09-11 瑞昱半導體股份有限公司 校正傳送器的方法
EP4256717A1 (de) * 2020-12-03 2023-10-11 Telefonaktiebolaget LM Ericsson (publ) Pilotlose kanalschätzung und -bewertung für los-mimo-mikrowellenfunkverbindungen
US11431379B1 (en) * 2021-03-31 2022-08-30 Teradyne, Inc. Front-end module

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
US5592490A (en) * 1991-12-12 1997-01-07 Arraycomm, Inc. Spectrally efficient high capacity wireless communication systems
GB9309353D0 (en) * 1993-05-06 1993-06-16 Ncr Int Inc Wireless communication system having antenna diversity
DK0846378T3 (da) * 1995-08-22 2000-04-17 Thomson Csf Fremgangsmåde og indretning til rumlig multipleksning og demultipleksning af radioelektriske signaler i et SDMA mobilradios
IT1295808B1 (it) * 1997-11-04 1999-05-27 Cselt Centro Studi Lab Telecom Procedimento per l'assegnazione dei canali in un sistema di comunicazone tra mezzi mobili con accesso multiplo a divisione di
US6963545B1 (en) * 1998-10-07 2005-11-08 At&T Corp. Voice-data integrated multiaccess by self-reservation and stabilized aloha contention
US6067290A (en) * 1999-07-30 2000-05-23 Gigabit Wireless, Inc. Spatial multiplexing in a cellular network
US7366103B2 (en) * 2000-08-18 2008-04-29 Nortel Networks Limited Seamless roaming options in an IEEE 802.11 compliant network
US20030100343A1 (en) * 2001-05-18 2003-05-29 Zourntos Takis C. Communications system and method
GB2384660B (en) 2002-01-25 2004-11-17 Toshiba Res Europ Ltd Reciever processing systems
US7095709B2 (en) * 2002-06-24 2006-08-22 Qualcomm, Incorporated Diversity transmission modes for MIMO OFDM communication systems
TWI433483B (zh) 2002-07-19 2014-04-01 Interdigital Tech Corp 具接收多樣化塊組傳輸之群組式連續干擾消除
US7352718B1 (en) * 2003-07-22 2008-04-01 Cisco Technology, Inc. Spatial division multiple access for wireless networks

Also Published As

Publication number Publication date
WO2005022833A3 (en) 2005-06-02
DE602004029906D1 (de) 2010-12-16
WO2005022833A2 (en) 2005-03-10
EP1665642A2 (de) 2006-06-07
US8014366B2 (en) 2011-09-06
US20050047384A1 (en) 2005-03-03
EP1665642B1 (de) 2010-11-03

Similar Documents

Publication Publication Date Title
ATE487291T1 (de) Wlan-kapazitäts-erweiterung durch verwendung von sdm
CN110212974B (zh) 来自于分布式天线系统的基站网络接口的主基准
KR101511786B1 (ko) 주파수 분할 이중 중계국을 포함하는 무선통신 시스템 및 이 무선통신 시스템에서의 무선자원의 이용 방법
WO2016045623A2 (en) Incremental scheduling for wireless communication system with beamforming
JP4921492B2 (ja) 多重ホップ中継方式の広帯域無線アクセス通信システムにおける中継サービスを支援するための装置及び方法
ATE551783T1 (de) Ablaufsteuerung für abwärtsverbindungen mit parallelen kodebäumen
TW200419988A (en) Method and device for establishing communication links and detecting interference between mobile nodes in a communication system
MX2012002310A (es) Metodos y nodos para programar recursos de radio en un sistema de comunicacion inalambrica que utiliza asignacion de segmento de tiempo incrementada.
ATE255305T1 (de) Kommunikationssystem
EP1098542A3 (de) Verfahren, Basisstation und Mobilstation für Selektion und Zuteilung von Zeitschlitzen
TW200625977A (en) Transmitting of cell management information in a cellular communication network
CN101345544A (zh) 一种采用支持Relay的帧结构进行无线传输的方法和系统
RU2013139695A (ru) Мобильный терминал, базовая станция радиосвязи и система и способ радиосвязи
CN103222204A (zh) 用于降低通信系统中频分双工信号和时分双工信号之间的干扰的装置和方法
CN103476105B (zh) 空中接口同步方法
CN104521265A (zh) 通信控制设备、终端设备和通信控制方法
MX2009009661A (es) Metodo de comunicacion movil, estacion base de radio y nodo superior.
WO2009116270A1 (ja) 無線通信装置、無線通信方法および無線通信システム
KR20080047001A (ko) 다중 홉 중계방식의 광대역 무선접속통신시스템에서 자원할당 장치 및 방법
RU2560101C2 (ru) Система и способ расширения зоны покрытия беспроводной сети
CN102291815B (zh) 一种中继网络的定时配置方法及系统
CN102347815B (zh) 一种中继网络的pucch发送方法和系统
TW200719615A (en) Method for allocating CDMA channels
DE602006005168D1 (de) Kommunikationsverfahren, Basisstation und Nutzerendgerät für ein drahtloses Kommunikationsnetz
ATE360289T1 (de) Leistungsregelung für ein mobilfunkkommunikationssystem

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties