ATE517356T1 - Radardetektion und dynamische frequenzwahl für drahtlose lokale netzwerke - Google Patents

Radardetektion und dynamische frequenzwahl für drahtlose lokale netzwerke

Info

Publication number
ATE517356T1
ATE517356T1 AT02737486T AT02737486T ATE517356T1 AT E517356 T1 ATE517356 T1 AT E517356T1 AT 02737486 T AT02737486 T AT 02737486T AT 02737486 T AT02737486 T AT 02737486T AT E517356 T1 ATE517356 T1 AT E517356T1
Authority
AT
Austria
Prior art keywords
radar
pulses
traffic
examined
radard
Prior art date
Application number
AT02737486T
Other languages
English (en)
Inventor
William Mcfarland
Chaohuang Zeng
Deepak Dhamdhere
Original Assignee
Atheros Comm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atheros Comm Inc filed Critical Atheros Comm Inc
Application granted granted Critical
Publication of ATE517356T1 publication Critical patent/ATE517356T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/021Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/80Jamming or countermeasure characterized by its function
    • H04K3/82Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/822Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by detecting the presence of a surveillance, interception or detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00Jamming of communication; Countermeasures
    • H04K2203/10Jamming or countermeasure used for a particular application
    • H04K2203/18Jamming or countermeasure used for a particular application for wireless local area networks or WLAN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/20Countermeasures against jamming
    • H04K3/22Countermeasures against jamming including jamming detection and monitoring
    • H04K3/224Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
    • H04K3/226Selection of non-jammed channel for communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
AT02737486T 2001-12-06 2002-06-11 Radardetektion und dynamische frequenzwahl für drahtlose lokale netzwerke ATE517356T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US33731901P 2001-12-06 2001-12-06
US10/039,451 US6697013B2 (en) 2001-12-06 2001-12-31 Radar detection and dynamic frequency selection for wireless local area networks
PCT/US2002/018705 WO2003050560A1 (en) 2001-12-06 2002-06-11 Radar detection and dynamic frequency selection for wireless local area networks

Publications (1)

Publication Number Publication Date
ATE517356T1 true ATE517356T1 (de) 2011-08-15

Family

ID=26716139

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02737486T ATE517356T1 (de) 2001-12-06 2002-06-11 Radardetektion und dynamische frequenzwahl für drahtlose lokale netzwerke

Country Status (7)

Country Link
US (1) US6697013B2 (de)
EP (1) EP1454162B8 (de)
JP (1) JP4224819B2 (de)
KR (1) KR100870813B1 (de)
AT (1) ATE517356T1 (de)
AU (1) AU2002310410A1 (de)
WO (1) WO2003050560A1 (de)

Families Citing this family (180)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002037754A2 (en) 2000-11-03 2002-05-10 At & T Corp. Tiered contention multiple access (tcma): a method for priority-based shared channel access
US6965942B1 (en) * 2001-01-12 2005-11-15 3Com Corporation Method and system for improving throughput over wireless local area networks with a dynamic contention window
US7496368B2 (en) * 2001-04-03 2009-02-24 Sharp Kabushiki Kaisha Method and device for controlling frequency selection within a wireless communication system
US7136361B2 (en) 2001-07-05 2006-11-14 At&T Corp. Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation
US7277413B2 (en) 2001-07-05 2007-10-02 At & T Corp. Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation
DE60109166T2 (de) * 2001-09-28 2005-07-28 Motorola, Inc., Schaumburg Kommunikationssystem zur Detektion von ausserhalb des Systems erzeugter Interferenz
US7280517B2 (en) * 2001-11-02 2007-10-09 At&T Corp. Wireless LANs and neighborhood capture
US7277415B2 (en) * 2001-11-02 2007-10-02 At&T Corp. Staggered startup for cyclic prioritized multiple access (CPMA) contention-free sessions
US7245604B2 (en) * 2001-11-02 2007-07-17 At&T Corp. Fixed deterministic post-backoff for cyclic prioritized multiple access (CPMA) contention-free sessions
US7248600B2 (en) * 2001-11-02 2007-07-24 At&T Corp. ‘Shield’: protecting high priority channel access attempts in overlapped wireless cells
US7245605B2 (en) 2001-11-02 2007-07-17 At&T Corp. Preemptive packet for maintaining contiguity in cyclic prioritized multiple access (CPMA) contention-free sessions
US20030087645A1 (en) * 2001-11-08 2003-05-08 Kim Byoung-Jo J. Frequency assignment for multi-cell IEEE 802.11 wireless networks
US7346357B1 (en) * 2001-11-08 2008-03-18 At&T Corp. Frequency assignment for multi-cell IEEE 802.11 wireless networks
US7239648B1 (en) * 2001-11-27 2007-07-03 Marvell International Ltd. Extension mode for wireless lans complying with short interframe space requirement
US7756090B2 (en) * 2002-03-12 2010-07-13 Koninklijke Philips Electronics N.V. System and method for performing fast channel switching in a wireless medium
US6850735B2 (en) * 2002-04-22 2005-02-01 Cognio, Inc. System and method for signal classiciation of signals in a frequency band
US7116943B2 (en) * 2002-04-22 2006-10-03 Cognio, Inc. System and method for classifying signals occuring in a frequency band
US7140040B2 (en) * 2002-04-25 2006-11-21 International Business Machines Corporation Protecting wireless local area networks from intrusion by eavesdropping on the eavesdroppers and dynamically reconfiguring encryption upon detection of intrusion
US6891496B2 (en) * 2002-05-03 2005-05-10 Atheros Communications, Inc. Method and apparatus for physical layer radar pulse detection and estimation
US7184407B1 (en) * 2002-05-10 2007-02-27 Cisco Systems Wireless Networking (Australia) Pty Limited Detecting, reporting and mitigating hidden nodes in a wireless data network
US7039417B2 (en) * 2003-09-25 2006-05-02 Lenovo Pte Ltd Apparatus, system, and method for mitigating access point data rate degradation
US7418494B2 (en) * 2002-07-25 2008-08-26 Intellectual Ventures Holding 40 Llc Method and system for background replication of data objects
US7171161B2 (en) * 2002-07-30 2007-01-30 Cognio, Inc. System and method for classifying signals using timing templates, power templates and other techniques
US7155230B2 (en) * 2002-08-19 2006-12-26 Intel Corporation Dynamic frequency selection and radar detection with a wireless LAN
US7231215B2 (en) * 2002-11-07 2007-06-12 Infineon Technologies Wireless Solutions Sweden Ab Method and a central control unit for channel switching in a packet-based wireless communication network
US7107032B2 (en) * 2003-01-08 2006-09-12 Mediatek Inc. Radar detection method for radio local area networks
EP1443661B1 (de) * 2003-01-28 2009-06-24 Sony Deutschland GmbH Verfahren zum Betreiben einer RLAN Anordnung
US7606193B2 (en) * 2003-01-30 2009-10-20 Atheros Communications, Inc. Methods for implementing a dynamic frequency selection (DFS) feature for WLAN devices
US6870815B2 (en) * 2003-01-30 2005-03-22 Atheros Communications, Inc. Methods for implementing a dynamic frequency selection (DFS) and a temporary channel selection feature for WLAN devices
CN1754340B (zh) * 2003-02-28 2010-07-14 汤姆森许可贸易公司 用于wlan专用下行链路信道的方法
US6831589B2 (en) * 2003-04-08 2004-12-14 Globespanvirata, Inc. Radar detector having a multi-period peridocity validator and method therefor
US7359676B2 (en) * 2003-04-21 2008-04-15 Airdefense, Inc. Systems and methods for adaptively scanning for wireless communications
CN100479580C (zh) 2003-05-14 2009-04-15 美商内数位科技公司 用指标周期测量管理网络的接入点和无线传输/接收单元
US6847330B2 (en) * 2003-06-23 2005-01-25 Netgear Inc. Detachable 802.11a antenna detection
SE0301834D0 (sv) 2003-06-24 2003-06-24 Infineon Technologies Ag Method and arrangement for detecting a collision in a communication network
SE0301835L (sv) * 2003-06-24 2005-02-01 Infineon Technologies Ag Förfarande och anordning för att minska den genomsnittliga tiden som behövs för en kommunikationsenhet att ansluta sig till ett kommunikationsnätverk
SE0302048D0 (sv) * 2003-07-10 2003-07-10 Infineon Technologies Ag Method and system for radar avoidance
GEP20115194B (en) * 2003-07-17 2011-04-11 Interdigital Tech Corp Method and system for delivery of assistance data
US7035593B2 (en) * 2003-07-28 2006-04-25 Cognio, Inc. Signal classification methods for scanning receiver and other applications
US8014787B2 (en) * 2003-08-07 2011-09-06 Agere Systems Inc. System and method for discriminating radar transmissions from wireless network transmissions and wireless network having radar-avoidance capability
US7701382B2 (en) * 2003-09-15 2010-04-20 Broadcom Corporation Radar detection circuit for a WLAN transceiver
US7702291B2 (en) * 2003-09-15 2010-04-20 Broadcom Corporation Radar detection from pulse record with interference
US7593692B2 (en) * 2003-09-15 2009-09-22 Broadcom Corporation Radar detection circuit for a WLAN transceiver
US8190162B2 (en) * 2003-09-15 2012-05-29 Broadcom Corporation Radar detection circuit for a WLAN transceiver
WO2005045473A1 (ja) * 2003-11-10 2005-05-19 Omron Corporation 処理装置および対象物検出装置
WO2005051004A2 (en) * 2003-11-22 2005-06-02 Smart Id Technology Pte Ltd Wireless local area network (wlan) detector
JP3828546B2 (ja) 2004-01-26 2006-10-04 株式会社東芝 無線通信装置、無線通信方法及び無線通信プログラム
JP2007520145A (ja) * 2004-02-02 2007-07-19 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 周期的放射パターンによるラジオシステムを検出するためのランダム化ハフ変換を用いた方法及び装置
JP4349142B2 (ja) * 2004-02-09 2009-10-21 ソニー株式会社 無線通信装置及び無線通信方法、並びにコンピュータ・プログラム
JP4307284B2 (ja) 2004-02-17 2009-08-05 三洋電機株式会社 半導体装置の製造方法
US20050215266A1 (en) * 2004-03-26 2005-09-29 Intel Corporation Wireless network dynamic frequency selection
KR100603561B1 (ko) * 2004-04-16 2006-07-24 삼성전자주식회사 송신 전력 제어 기반 무선랜 시스템 및 그 송신 전력 제어방법
US7280067B2 (en) * 2004-06-01 2007-10-09 Newlogic Technologies Gmbh Radar detector and radar detecting method for WLAN systems according to 802.11 wireless communication standards
DE102005025393B4 (de) 2004-06-01 2018-03-22 Wipro Limited Radar Detektor und Verfahren zur Radardetektion für WLAN Systeme nach den 802.11 Standards für drahtlose Kommunikation
US7236790B2 (en) 2004-06-03 2007-06-26 Intel Corporation Distributed radar detection for WLAN
WO2006009955A2 (en) * 2004-06-23 2006-01-26 Cognio, Inc Self-calibrated path loss position estimation process, device and system
CN100539528C (zh) * 2004-07-09 2009-09-09 皇家飞利浦电子股份有限公司 在无线网中确定可利用的信道的方法和系统
CA2572879A1 (en) * 2004-07-09 2006-01-19 Koninklijke Philips Electronics, N.V. Enhanced site report in an ieee 802.11 wireless network
US7230566B2 (en) 2004-08-03 2007-06-12 Cisco Technology, Inc. Radar protection device for wireless networks
WO2006020796A1 (en) * 2004-08-12 2006-02-23 Shieldtech Systems, Llc Wireless data communication device
WO2006020838A1 (en) * 2004-08-12 2006-02-23 Shieldtech Systems, Llc Wireless data communication device
US7142108B2 (en) * 2004-08-19 2006-11-28 Cognio, Inc. System and method for monitoring and enforcing a restricted wireless zone
US20080253350A1 (en) * 2004-08-20 2008-10-16 Koninklijke Philips Electronic, N.V. Method and Device Using Randomized Hough Transform for Detecting Radio Systems with Periodic Emission Pattern
US7767166B2 (en) * 2004-09-03 2010-08-03 Southwest Research Institute Packed-bed radial-flow non-thermal plasma reactor
JP4626238B2 (ja) * 2004-09-15 2011-02-02 日本電気株式会社 無線通信システム、無線通信装置、レーダ検出回路及びそれらに用いるレーダ検出方法
JP4604628B2 (ja) * 2004-09-24 2011-01-05 パナソニック電工株式会社 受信装置
US20060082489A1 (en) * 2004-10-15 2006-04-20 Liu Jiewen J Radar presence alert for WLAN
WO2006046201A1 (en) * 2004-10-29 2006-05-04 Philips Intellectual Property & Standards Gmbh A method of operating a network node of a network, a network node, a network system, a computer-readable medium, and a program element
KR100624479B1 (ko) * 2004-11-02 2006-09-18 삼성전자주식회사 무선랜에서 큐오에스 보장을 위한 동적 채널 변경 장치 및그 방법
US8737920B2 (en) 2004-11-10 2014-05-27 Interdigital Technology Corporation Method and apparatus for managing wireless communication network radio resources
KR100690608B1 (ko) * 2004-12-07 2007-03-09 엘지전자 주식회사 무선 av 기기의 채널 선택 방법
US7466960B2 (en) * 2005-02-08 2008-12-16 Cisco Technology, Inc. Cognitive spectrum analysis and information display techniques
US7599686B2 (en) * 2005-05-06 2009-10-06 Dell Products L.P. Systems and methods for RF spectrum management
US8179825B2 (en) * 2005-05-12 2012-05-15 Nortel Networks Limited Method and system for detecting radar signals
US8670493B2 (en) 2005-06-22 2014-03-11 Eices Research, Inc. Systems and/or methods of increased privacy wireless communications
US7474615B2 (en) * 2005-07-11 2009-01-06 Dell Products L.P. Network optimization based on traffic prioritization
US7289057B2 (en) * 2005-07-22 2007-10-30 Cisco Technology, Inc. Method and apparatus for detection of signal having random characteristics
US7551641B2 (en) 2005-07-26 2009-06-23 Dell Products L.P. Systems and methods for distribution of wireless network access
US7653357B2 (en) * 2005-08-22 2010-01-26 Toshiba America Research, Inc. Access point interference control and selection methods
US7548750B2 (en) * 2005-09-13 2009-06-16 Cisco Technology, Inc. System and method for detection of primary spectrum users
EP1770908B1 (de) 2005-09-28 2011-08-24 Sequans Communications Verfahren zur Detektion von Störung in einem Kommunikationssignal
US7424269B2 (en) * 2005-09-29 2008-09-09 Intel Corporation System, method and device of radar detection
EP1988403A3 (de) 2005-10-24 2011-03-23 Mitsubishi Electric Information Technology Centre Europe B.V. Analyse von Impulszügen
JP2009515479A (ja) * 2005-11-07 2009-04-09 トムソン ライセンシング 無線ネットワーク内において動的な周波数選択をする装置および方法
US7747222B2 (en) 2005-12-09 2010-06-29 Marvell World Trade Ltd. Detection and estimation of radio frequency variations
JP4735830B2 (ja) * 2005-12-14 2011-07-27 日本電気株式会社 無線通信装置及びそれを用いたレーダ波検出方法
US20070297366A1 (en) * 2006-01-05 2007-12-27 Robert Osann Synchronized wireless mesh network
US20070183439A1 (en) * 2006-01-05 2007-08-09 Osann Robert Jr Combined directional and mobile interleaved wireless mesh network
US20070160020A1 (en) * 2006-01-05 2007-07-12 Robert Osann Interleaved wireless mesh network
US8102868B2 (en) * 2006-01-05 2012-01-24 Folusha Forte B.V., Llc Interleaved and directional wireless mesh network
KR100754207B1 (ko) * 2006-02-15 2007-09-03 삼성전자주식회사 무선 디바이스의 접근에 따라 자동으로 응용을 실행하는방법 및 장치
US7414572B2 (en) * 2006-03-02 2008-08-19 Motorola, Inc. Method and apparatus for signal detection
KR101235801B1 (ko) * 2006-03-08 2013-02-21 삼성전자주식회사 5GHz를 사용하는 무선 랜에서 레이더 신호를 검출하는방법 및 장치
KR101258588B1 (ko) 2006-03-17 2013-05-02 삼성전자주식회사 동일 채널 내 존재하는 bss 간의능동주파수선택(dfs) 방법 및 장치
US8542638B2 (en) * 2006-04-20 2013-09-24 Microchip Technology Incorporated System and method for interference identification and frequency allocation
US7835319B2 (en) * 2006-05-09 2010-11-16 Cisco Technology, Inc. System and method for identifying wireless devices using pulse fingerprinting and sequence analysis
US8055204B2 (en) 2007-08-15 2011-11-08 Shared Spectrum Company Methods for detecting and classifying signals transmitted over a radio frequency spectrum
US8997170B2 (en) 2006-12-29 2015-03-31 Shared Spectrum Company Method and device for policy-based control of radio
JP2008005115A (ja) * 2006-06-21 2008-01-10 Renesas Technology Corp 通信用lsi及び無線アクセスシステム
US7623060B1 (en) 2006-06-29 2009-11-24 Marvell International Ltd. Systems and methods for detecting radar
US20080002606A1 (en) * 2006-06-30 2008-01-03 David Cheung Identification of wireless devices based on signal characteristics
US20080031386A1 (en) * 2006-08-02 2008-02-07 Mediatek Inc. Method and device for robust signal detection in wireless communications
US8281392B2 (en) 2006-08-11 2012-10-02 Airdefense, Inc. Methods and systems for wired equivalent privacy and Wi-Fi protected access protection
US8223715B2 (en) * 2006-08-11 2012-07-17 Polycom, Inc. Handoff method in a wireless LAN in the presence of a radar signal
DE102007039570A1 (de) * 2006-09-04 2008-03-06 Robert Bosch Gmbh Werkzeugmaschinenüberwachungsvorrichtung
JP4327832B2 (ja) 2006-09-15 2009-09-09 株式会社東芝 通信装置およびプログラム
KR100772417B1 (ko) * 2006-09-26 2007-11-01 삼성전자주식회사 다이렉트 링크를 이용한 무선네트워크 통신 방법 및 그장치
US7570193B2 (en) * 2007-01-22 2009-08-04 Bandspeed, Inc. Detecting and recognizing long duration waveforms
US20080276299A1 (en) * 2007-04-02 2008-11-06 Samsung Electronics Co., Ltd. Wireless terminal apparatus and method of protecting system resources
US8126389B2 (en) * 2007-04-27 2012-02-28 D3T, Llc Apparatus and method for interfering with wireless communications devices in response to transmission power detection
US7596461B2 (en) * 2007-07-06 2009-09-29 Cisco Technology, Inc. Measurement of air quality in wireless networks
EP2015459A1 (de) * 2007-07-12 2009-01-14 STMicroelectronics N.V. Verfahren zum Erkennen der eventuellen Anwesenheit eines Störsignals, beispielsweise eines Radarsignals, das eine drahtlose Vorrichtung stören kann, beispielsweise eine Ultrabreitbandvorrichtung, und entsprechende Vorrichtung
JP4575409B2 (ja) 2007-08-22 2010-11-04 株式会社東芝 無線通信装置
WO2009061253A1 (en) * 2007-11-06 2009-05-14 Telefonaktiebolaget L M Ericsson (Publ) Spectrum sharing enabled by strong interfering pulse handling
TWI369872B (en) * 2007-12-06 2012-08-01 Ralink Technology Corp Radar detection method and apparatus using the same
US20090160696A1 (en) * 2007-12-21 2009-06-25 Ralink Technology Corporation Configurable radar detection and avoidance system for wireless ofdm tranceivers
TWI351528B (en) * 2008-03-17 2011-11-01 Ralink Technology Corp Radar signals detection method and apparatus using
TW200945825A (en) * 2008-04-21 2009-11-01 Ralink Technology Corp Apparatus for detecting radar signals applied to a wireless network and method thereof
US7929508B1 (en) 2008-06-11 2011-04-19 Atheros Communications, Inc. Radio frequency signal analysis and classification using time-frequency information
JP5235520B2 (ja) * 2008-06-16 2013-07-10 キヤノン株式会社 通信装置および制御方法
US8274903B2 (en) * 2008-08-20 2012-09-25 Qualcomm Incorporated Methods and apparatus for switching between a base channel and a 60 GHz channel
US8219034B2 (en) * 2008-09-10 2012-07-10 Motorola Solutions, Inc. Method for detection of radar signals
US8081615B2 (en) * 2008-10-10 2011-12-20 Mediatek Inc. Method and apparatus to allow coexistence between wireless devices
US8305971B2 (en) * 2009-01-13 2012-11-06 Cisco Technology, Inc. Utilizing persistent interference information for radio channel selection
EP2422540B1 (de) 2009-04-21 2017-10-04 Philips Lighting Holding B.V. Vorrichtung und verfahren zur erkennung eines kanalstatus
JP4991815B2 (ja) * 2009-09-18 2012-08-01 株式会社東芝 レーダ検出装置及び方法
KR101710469B1 (ko) * 2009-12-17 2017-02-28 삼성전자주식회사 레이더 신호를 검출하기 위한 방법
US9001904B2 (en) * 2010-03-03 2015-04-07 Lantiq Deutschland Gmbh Multi-carrier clock transport and synchronization
JP5719192B2 (ja) * 2011-02-17 2015-05-13 株式会社Nttドコモ 無線局、干渉回避方法及びシステム
JP2012231267A (ja) * 2011-04-25 2012-11-22 Kyocera Corp 無線基地局及び通信制御方法
US8462043B2 (en) * 2011-06-12 2013-06-11 John Belcea Method for detecting radar signals affected by interference
US20130128927A1 (en) * 2011-11-18 2013-05-23 Qualcomm Atheros, Inc. System and method for detecting chirping radar pulses
GB201200916D0 (en) * 2012-01-19 2012-02-29 Cambium Networks Ltd Improvements to radar detection in a broadband radio communication system
GB201200914D0 (en) 2012-01-19 2012-02-29 Cambium Networks Ltd Transmission of data in a broadband radio communication system
KR101300595B1 (ko) * 2012-03-06 2013-08-28 (주)아이앤씨테크놀로지 무선 통신 장치 및 이의 레이더 신호 검출 방법
US20130314267A1 (en) * 2012-05-24 2013-11-28 Thomas J. Kenney Multi-band scanning for radar detection in wi-fi systems
US9408087B2 (en) * 2013-02-06 2016-08-02 General Electric Company Systems and methods for dynamic frequency selection for interference avoidance
US9304189B2 (en) 2013-03-08 2016-04-05 Qualcomm, Incorporated Systems and methods for detecting radar signals
US9250314B2 (en) 2013-03-08 2016-02-02 Qualcomm Incorporated Enhanced radar detection for communication networks
JP6167583B2 (ja) * 2013-03-19 2017-07-26 株式会社バッファロー 無線通信装置および無線通信用チャネル選択方法
JP6217098B2 (ja) * 2013-03-22 2017-10-25 株式会社バッファロー 無線通信装置および無線通信用チャネル選択方法
US20140315506A1 (en) * 2013-04-18 2014-10-23 Qualcomm Incorporated Determining radar sub-channel in communication networks
US20150063321A1 (en) * 2013-09-04 2015-03-05 Qualcomm Incorporated Radar detection
US9664779B2 (en) * 2014-07-03 2017-05-30 GM Global Technology Operations LLC Object classification for vehicle radar systems
US20160077134A1 (en) * 2014-09-12 2016-03-17 Qualcomm Incorporated Enhanced radar detection for communication networks
TWI574027B (zh) * 2015-01-05 2017-03-11 桓達科技股份有限公司 接觸式雷達偵測裝置
US9924391B2 (en) 2015-02-16 2018-03-20 Microsoft Technology Licensing, Llc Client-side dynamic frequency selection check
US10257758B2 (en) 2015-07-27 2019-04-09 Microsoft Technology Licensing, Llc Migrating wireless channels using dual media access controllers
US9622089B1 (en) 2015-11-25 2017-04-11 Network Performance Research Group Cloud DFS super master systems and methods
US9439197B1 (en) 2015-08-10 2016-09-06 Planetary Network Technologies, Inc. Method and apparatus for directed adaptive control of dynamic channel selection in wireless networks
US10104665B2 (en) 2015-08-10 2018-10-16 Network Performance Research Group Llc Method and apparatus for providing dynamic frequency selection spectrum access in peer-to-peer wireless networks
US9832791B2 (en) * 2015-08-04 2017-11-28 Network Performance Research Group Llc Method and apparatus for use of simultaneous multiple channels in the dynamic frequency selection band in wireless networks
US9699786B2 (en) 2015-09-07 2017-07-04 Network Performance Research Group Llc Method and apparatus for integrating radio agent data in network organization of dynamic channel selection in wireless networks
US9807619B2 (en) 2015-08-04 2017-10-31 Network Performance Research Group Llc Methods and apparatuses for use of simultaneous multiple channels in the dynamic frequency selection band in wireless networks
US9924518B2 (en) 2015-08-10 2018-03-20 Network Performance Research Group Llc Method and apparatus for dynamic channel selection device
US9807625B2 (en) 2015-08-10 2017-10-31 Network Performance Research Group Llc Method and apparatus for using time shifted analysis based on gathering non-encrypted information from packets
US9429642B1 (en) * 2015-08-21 2016-08-30 Qualcomm Incorporated Radar detection for adjacent segments in wireless communications
US9557407B1 (en) * 2015-08-21 2017-01-31 Qualcomm Incorporated Radar detection for adjacent segments in wireless communications
WO2017052508A1 (en) * 2015-09-22 2017-03-30 Mohammad Mamunur Rashid Dynamic frequency selection (dfs) in licensed-assisted access networks using lte
US9806971B2 (en) * 2015-11-19 2017-10-31 EVA Automation, Inc. Restricted-signal confirmation for high-throughput links
US9839038B2 (en) 2015-11-25 2017-12-05 Network Performance Research Group Llc System, method, and apparatus for setting a regulatory operating mode of a device
US10368247B2 (en) 2015-11-25 2019-07-30 Network Performance Research Group Llc Cloud DFS super master detector location systems and methods
US9930670B2 (en) 2015-11-25 2018-03-27 Network Performance Research Group Llc System, method, and apparatus for setting device geolocation via location proxies
US10466338B2 (en) * 2016-07-17 2019-11-05 Commscope Technologies Llc Detecting Federal Incumbent Radar (FIR) signal
US10416282B2 (en) * 2016-09-30 2019-09-17 Intel Corporation Method and device for radar signal detection
US10379201B2 (en) * 2016-10-26 2019-08-13 GM Global Technology Operations LLC Radar interference mitigation and collaborative operation
US9736845B1 (en) * 2017-01-03 2017-08-15 Network Performance Research Group Llc Over the air signaling of dynamic frequency selection (DFS) operating parameters to client devices
JP2017175659A (ja) * 2017-06-02 2017-09-28 株式会社バッファロー 無線通信装置および無線通信用チャネル選択方法
CN110870368A (zh) 2017-06-13 2020-03-06 舒尔获得控股公司 并行使用及扫描无线信道
US10254386B1 (en) * 2017-10-27 2019-04-09 Hewlett Packard Enterprise Development Lp Waveform model
JP7202837B2 (ja) * 2018-10-15 2023-01-12 古野電気株式会社 アクセスポイント管理システム、アクセスポイント管理装置、アクセスポイント管理方法、プログラム、及びアクセスポイント群
US12028796B2 (en) 2019-03-12 2024-07-02 Cypress Semiconductor Corporation GPS-assisted collaborative and signaling-aided WLAN DFS operation
US11405793B2 (en) 2019-09-30 2022-08-02 Shure Acquisition Holdings, Inc. Concurrent usage and scanning of wireless channels for direct DFS to DFS channel switching
JP6954670B2 (ja) * 2019-11-13 2021-10-27 Necプラットフォームズ株式会社 基地局装置、制御方法及び制御プログラム
US11259193B2 (en) 2020-02-07 2022-02-22 Panasonic Avionics Corporation Systems and methods for obtaining and distributing dynamic frequency selection data for wireless networks on airplanes
CN117796007A (zh) * 2021-06-08 2024-03-29 诺基亚通信公司 共享频谱带中的发送器检测
US11889542B2 (en) 2021-07-21 2024-01-30 Comcast Cable Communications, Llc Systems and methods for identifying wireless channels
CN113591802B (zh) * 2021-09-01 2024-06-28 北京安利华汽车有限公司 一种基于聚类算法的多功能雷达工作模式识别方法
CN116359876B (zh) * 2023-05-30 2023-08-11 北京立同新元科技有限公司 一种雷达信号处理方法
CN116599833B (zh) * 2023-07-18 2023-10-03 广州世炬网络科技有限公司 对前传网络进行故障排查的方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5708679A (en) * 1993-03-11 1998-01-13 Southern California Edison Company Hitless ultra small aperture terminal satellite communication network
US5933420A (en) 1996-04-30 1999-08-03 3Com Corporation Method and apparatus for assigning spectrum of a wireless local area network
SE507796C2 (sv) 1996-11-15 1998-07-13 Ericsson Telefon Ab L M Förfarande och system för datareducering av radarsignalers ankomsttider.
US7394791B2 (en) * 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
EP1118011B1 (de) * 1998-09-03 2008-11-05 Wherenet, Inc. Mehrfach laterales netz mit zirkularpolarisierter antenne
US6615074B2 (en) * 1998-12-22 2003-09-02 University Of Pittsburgh Of The Commonwealth System Of Higher Education Apparatus for energizing a remote station and related method
US20020155811A1 (en) * 2001-04-18 2002-10-24 Jerry Prismantas System and method for adapting RF transmissions to mitigate the effects of certain interferences
US20030036374A1 (en) * 2001-06-04 2003-02-20 Time Domain Corporation Wireless local area network using impulse radio technology to improve communications between mobile nodes and access points

Also Published As

Publication number Publication date
EP1454162A1 (de) 2004-09-08
AU2002310410A1 (en) 2003-06-23
EP1454162B8 (de) 2011-10-05
EP1454162B1 (de) 2011-07-20
JP4224819B2 (ja) 2009-02-18
KR100870813B1 (ko) 2008-11-27
JP2005512436A (ja) 2005-04-28
US6697013B2 (en) 2004-02-24
KR20040076865A (ko) 2004-09-03
WO2003050560A1 (en) 2003-06-19
US20030107512A1 (en) 2003-06-12

Similar Documents

Publication Publication Date Title
ATE517356T1 (de) Radardetektion und dynamische frequenzwahl für drahtlose lokale netzwerke
DE60111580D1 (de) Störungsmessungen in einem drahtlosen kommunikationssystem
Partridge et al. Using signal processing to analyze wireless data traffic
US20140140231A1 (en) Method and system for motion detection using digital enhanced cordless telecommunicaiton (dect) signals
CN100582813C (zh) 用于无线网络的雷达保护设备及其方法
US8014787B2 (en) System and method for discriminating radar transmissions from wireless network transmissions and wireless network having radar-avoidance capability
DE60041831D1 (de) Verfahren und geräte zur sucherfassungsdurchführung in einem multiträger-signalen kommunikationsystem
Cheng et al. Multi-path propagation measurements for vehicular networks at 5.9 GHz
WO2003100572A3 (en) Method and apparatus for detecting the presence of wireless network
WO2006026139A1 (en) Comparative spectrum trace method and apparatus for detecting transmitters
Shinde et al. A model of HF impulsive atmospheric noise
JP4573866B2 (ja) 侵入検知システム
WO2004112300A3 (en) Systems and methods for a wireless network connection point locator
Harman et al. The next generation of GUIDAR technology
Shaikh et al. Analysis of cognitive radio spectrum sensing techniques
KR101042922B1 (ko) 전력선 통신 장치 및 방법
ATE520233T1 (de) Impulsdetektion in drahtlosem kommunikationssystem
US20080031386A1 (en) Method and device for robust signal detection in wireless communications
JP4937805B2 (ja) 無線通信装置および無線通信装置における距離測定方法
Shaik et al. Matched filter detection and identification of electronic circuits based on their unintentional radiated emissions
Hamed et al. Comparative study between cognitive radio techniques in FM broadcasting band
JP7142111B2 (ja) 環境無線周波数モニタリングの実行
Thotahewa et al. Analysis of pulse based UWB transmission techniques for wireless sensors
Long et al. A mechanism for detecting session hijacks in wireless networks
US20060290563A1 (en) Detecting small, time domain impulsive communications signals

Legal Events

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