CN104508511A - 射频干扰感知辅助数据 - Google Patents

射频干扰感知辅助数据 Download PDF

Info

Publication number
CN104508511A
CN104508511A CN201380037073.1A CN201380037073A CN104508511A CN 104508511 A CN104508511 A CN 104508511A CN 201380037073 A CN201380037073 A CN 201380037073A CN 104508511 A CN104508511 A CN 104508511A
Authority
CN
China
Prior art keywords
rfi
gnss
information
location server
receiver
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201380037073.1A
Other languages
English (en)
Chinese (zh)
Inventor
S·菲舍尔
S·W·埃奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN104508511A publication Critical patent/CN104508511A/zh
Pending legal-status Critical Current

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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/05Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
    • 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/21Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/31Acquisition or tracking of other signals for positioning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/025Services making use of location information using location based information parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/029Location-based management or tracking services
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/60Jamming involving special techniques
    • H04K3/65Jamming involving special techniques using deceptive jamming or spoofing, e.g. transmission of false signals for premature triggering of RCIED, for forced connection or disconnection to/from a network or for generation of dummy target signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/80Jamming or countermeasure characterized by its function
    • H04K3/90Jamming or countermeasure characterized by its function related to allowing or preventing navigation or positioning, e.g. GPS

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Navigation (AREA)
CN201380037073.1A 2012-05-21 2013-05-21 射频干扰感知辅助数据 Pending CN104508511A (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201261649903P 2012-05-21 2012-05-21
US61/649,903 2012-05-21
US201361800332P 2013-03-15 2013-03-15
US61/800,332 2013-03-15
US13/897,244 2013-05-17
US13/897,244 US9185516B2 (en) 2012-05-21 2013-05-17 Radio frequency interference awareness assistance data
PCT/US2013/042050 WO2013177181A2 (en) 2012-05-21 2013-05-21 Radio frequency interference awareness assistance data

Publications (1)

Publication Number Publication Date
CN104508511A true CN104508511A (zh) 2015-04-08

Family

ID=49581715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380037073.1A Pending CN104508511A (zh) 2012-05-21 2013-05-21 射频干扰感知辅助数据

Country Status (6)

Country Link
US (2) US9185516B2 (enExample)
EP (1) EP2852850A2 (enExample)
KR (1) KR20150018830A (enExample)
CN (1) CN104508511A (enExample)
IN (1) IN2014MN02327A (enExample)
WO (1) WO2013177181A2 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106990415A (zh) * 2016-01-21 2017-07-28 通用汽车有限责任公司 改进车辆定位服务
CN108476512A (zh) * 2015-11-24 2018-08-31 瑞典爱立信有限公司 依赖位置对的干扰和业务模式数据库
WO2020098646A1 (zh) * 2018-11-14 2020-05-22 中兴通讯股份有限公司 检测伪gnss干扰的方法、装置和系统
CN114114330A (zh) * 2020-08-28 2022-03-01 霍尼韦尔国际公司 用于收集、处理和提供与干扰全球导航卫星系统有关的地理信息的系统和方法
CN114167453A (zh) * 2020-09-10 2022-03-11 阿里巴巴集团控股有限公司 一种干扰检测方法和装置
CN114650541A (zh) * 2015-10-16 2022-06-21 苹果公司 Sas干扰抑制选项

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120326926A1 (en) * 2011-06-24 2012-12-27 Mayflower Communications Company, Inc. High sensitivity gps/gnss receiver
US9185516B2 (en) 2012-05-21 2015-11-10 Qualcomm Incorporated Radio frequency interference awareness assistance data
US20140022121A1 (en) * 2012-07-17 2014-01-23 Lockheed Martin Corporation Navigating in areas of uncertain positioning data
US9188668B2 (en) 2012-11-27 2015-11-17 At&T Intellectual Property I, L.P. Electromagnetic reflection profiles
US9439031B2 (en) * 2013-06-12 2016-09-06 Broadcom Corporation Cellular-to-GNSS fine time assistance and power amplifier (PA) blanking
US10353982B1 (en) 2013-08-13 2019-07-16 Amazon Technologies, Inc. Disambiguating between users
US9806827B2 (en) * 2013-09-13 2017-10-31 Samsung Electronics Co., Ltd. Computing system with interference cancellation mechanism and method of operation thereof
DE102014108418A1 (de) * 2014-06-16 2015-12-17 Universität der Bundeswehr München Identifizierung eines Kraftfahrzeuges mit GNSS-Störsender
DE102014218081A1 (de) * 2014-09-10 2016-03-10 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Meldung von GNSS-Störquellen
GB2530272B (en) * 2014-09-16 2020-10-07 Nottingham Scient Limited GNSS Jamming Signal Detection
US10663602B2 (en) * 2014-09-24 2020-05-26 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method in communication device for providing location information in wireless communication environment
US20160183238A1 (en) * 2014-12-23 2016-06-23 Intel Corporation Communication device and method for transmiting packets
US9749925B2 (en) 2015-02-06 2017-08-29 Qualcomm Incorporated Systems and methods for GNSS rat priority control for coexistence of a GNSS receiver and one or more rat transceivers
US10536867B2 (en) 2015-02-12 2020-01-14 Qualcomm Incorporated On-device behavioral analysis to detect malfunction due to RF interference
US20170070971A1 (en) * 2015-09-04 2017-03-09 Qualcomm Incorporated Methods and systems for collaborative global navigation satellite system (gnss) diagnostics
US10277309B2 (en) 2015-11-19 2019-04-30 Planet Labs, Inc. Predicting radio frequency interference events
US9831974B1 (en) 2016-08-09 2017-11-28 International Business Machines Corporation Selective directional mitigation of wireless signal interference
US12114283B2 (en) * 2016-08-21 2024-10-08 Qualcomm Incorporated Methods and systems for support of location for the internet of things
US11405863B2 (en) 2016-10-05 2022-08-02 Qualcomm Incorporated Systems and methods to enable combined periodic and triggered location of a mobile device
KR101892120B1 (ko) * 2016-12-16 2018-08-29 엘지전자 주식회사 무선 통신 시스템에서 단말의 간섭 정보를 이용하여 스케쥴링을 수행하는 방법 및 이를 위한 장치
US10382995B2 (en) 2017-09-29 2019-08-13 At&T Intellectual Property I, L.P. Utilization of crowd-sourced access point data for 5G or other next generation network
US10231134B1 (en) 2017-09-29 2019-03-12 At&T Intellectual Property I, L.P. Network planning based on crowd-sourced access point data for 5G or other next generation network
US10271236B1 (en) 2017-09-29 2019-04-23 At&T Intellectual Property I, L.P. Collection of crowd-sourced access point data for 5G or other next generation network
ES2958511T3 (es) * 2017-11-13 2024-02-09 Huawei Tech Co Ltd Dispositivos y métodos para determinar la posición de un terminal móvil
CN109286591B (zh) * 2018-09-20 2020-06-12 北京邮电大学 一种通信导航一体化融合信号的生成方法及装置
EP3672310A1 (en) 2018-12-20 2020-06-24 HERE Global B.V. Identifying potentially manipulated radio signals and/or radio signal parameters based on radio map information
EP3672185A1 (en) 2018-12-20 2020-06-24 HERE Global B.V. Identifying potentially manipulated radio signals and/or radio signal parameters
EP3672305B1 (en) 2018-12-20 2023-10-25 HERE Global B.V. Enabling flexible provision of signature data of position data representing an estimated position
EP3671253A1 (en) * 2018-12-20 2020-06-24 HERE Global B.V. Crowd-sourcing of potentially manipulated radio signals and/or radio signal parameters
EP3671252A1 (en) 2018-12-20 2020-06-24 HERE Global B.V. Identifying potentially manipulated radio signals and/or radio signal parameters based on a first radio map information and a second radio map information
EP3672311A1 (en) 2018-12-20 2020-06-24 HERE Global B.V. Device-centric learning of manipulated positioning
EP3671254A1 (en) * 2018-12-20 2020-06-24 HERE Global B.V. Service for real-time spoofing/jamming/meaconing warning
EP3672304A1 (en) * 2018-12-20 2020-06-24 HERE Global B.V. Statistical analysis of mismatches for spoofing detection
EP3702811A1 (de) * 2019-02-26 2020-09-02 Airbus Defence and Space Sensornetzwerk zum detektieren, lokalisieren und verfolgen von mobilen einheiten
US10805764B1 (en) * 2019-03-25 2020-10-13 Verizon Patent And Licensing Inc. Object location tracking based on point-in-polygon analysis
US11656362B2 (en) * 2019-11-20 2023-05-23 Tupaia Ltd. System and method for providing cyber security for satellite-based navigation systems
US11356851B2 (en) 2019-12-03 2022-06-07 Harris Global Communications, Inc. Communications system having multiple carriers with selectively transmitted real information and fake information and associated methods
US20230099746A1 (en) * 2020-06-09 2023-03-30 Verizon Patent And Licensing Inc. System and method for realtime interference location using wireless network field measurement data
US11831679B2 (en) * 2020-07-14 2023-11-28 T-Mobile Usa, Inc. Global navigation satellite system interference attack detection
US11815607B2 (en) 2020-07-30 2023-11-14 Qualcomm Incorporated Global navigation satellite system (GNSS) receiver operation during spoofing
US11892546B2 (en) 2020-07-30 2024-02-06 Qualcomm Incorporated Systems and methods for detecting and mitigating spoofed satellite navigation signals
US12019169B2 (en) 2020-09-02 2024-06-25 Honeywell International Inc. Systems and methods for monitoring navigational systems
DE102020212033A1 (de) * 2020-09-24 2022-03-24 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Erkennen eines manipulierten oder gefälschten GNSS-Signals
US12108305B2 (en) 2020-09-29 2024-10-01 Qualcomm Incorporated System and methods for power efficient positioning of a mobile device
US11585942B2 (en) 2020-10-26 2023-02-21 Honeywell International Inc. Detection of GNSS interference using surveillance messages
US11892545B2 (en) 2021-04-23 2024-02-06 Qualcomm Incorporated Detecting spoofed global navigation satellite system (GNSS) signals
US11757559B2 (en) 2021-08-20 2023-09-12 Ford Global Technologies, Llc Collaborative signal jamming detection
US12426089B2 (en) * 2021-09-22 2025-09-23 Apple Inc. Selective cellular interference mitigation for GNSS
CN114051259B (zh) * 2022-01-13 2022-04-15 高拓讯达(北京)科技有限公司 一种wifi信号的检测方法和检测装置
US12210104B2 (en) 2022-03-02 2025-01-28 Honeywell International Inc. Systems and methods to provide real-time context-based avoidance mechanisms for GNSS jamming or spoofing regions
US12327482B2 (en) 2022-07-08 2025-06-10 Honeywell International Inc. Radio frequency interference database for vehicle navigation planning
US12481070B2 (en) 2022-12-19 2025-11-25 Honeywell International Inc. Systems and methods for determining interfering GNSS signal source and providing evasive maneuver guidance for evacuating the affected region
US20240345259A1 (en) * 2023-04-17 2024-10-17 Cisco Technology, Inc. Global navigational satellite system (gnss) interference detection
US20250168676A1 (en) * 2023-11-20 2025-05-22 Verizon Patent And Licensing Inc. Systems and methods for deriving baseline radio frequency measurements of coverage areas
KR102719642B1 (ko) * 2023-12-14 2024-10-18 시스레인 주식회사 Gps 신호 교란장치
CN117949979B (zh) * 2024-03-26 2024-06-28 成都点阵科技有限公司 基于网约车服务平台的gnss干扰监测方法及系统
CN120180273B (zh) * 2025-03-21 2025-11-25 北京卫星导航中心 一种卫星导航干扰信号数据库及构建方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279478A (en) * 1993-06-26 1995-01-04 Ian Paul Downing Hunter Vehicle security
CN1309519A (zh) * 2000-02-15 2001-08-22 摩托罗拉公司 用于压缩全球定位系统卫星广播消息信息的方法和设备
CN1312912A (zh) * 1998-08-13 2001-09-12 艾利森公司 通过蜂窝或pcs网络辅助gps接收机的方法和系统
US20010050630A1 (en) * 2000-05-31 2001-12-13 Tomohiro Fujii Global positioning system
CN1457563A (zh) * 2001-02-16 2003-11-19 摩托罗拉公司 蜂窝通信网络中的gps辅助消息及其方法
US20040203461A1 (en) * 2002-11-13 2004-10-14 General Motors Corporation Method and system for providing GPS interference information from a civilian mobile vehicle communications system
US20060234641A1 (en) * 2005-02-03 2006-10-19 Lucent Technologies Inc. System for using an existing cellular network to detect incidents of GPS jaming
US7864109B2 (en) * 2005-11-29 2011-01-04 Nordnav Technologies Ab Method and spread spectrum software receiver for satellite navigation
WO2011011118A1 (en) * 2009-07-24 2011-01-27 Trueposition, Inc. Diversity time and frequency location receiver
US20120038512A1 (en) * 2008-05-20 2012-02-16 Geswender Chris E Satellite receiver and method for navigation using merged satellite system signals
US8130141B2 (en) * 2008-09-10 2012-03-06 Commlabs, Inc. Wide area positioning system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8154442B2 (en) 2006-02-28 2012-04-10 Nokia Corporation Method and apparatus for navigation systems
US8154443B2 (en) 2008-03-10 2012-04-10 Texas Instruments Incorporated Method and system for GNSS coexistence
US8138975B2 (en) 2008-12-30 2012-03-20 Trueposition, Inc. Interference detection, characterization and location in a wireless communications or broadcast system
US9185516B2 (en) 2012-05-21 2015-11-10 Qualcomm Incorporated Radio frequency interference awareness assistance data

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279478A (en) * 1993-06-26 1995-01-04 Ian Paul Downing Hunter Vehicle security
CN1312912A (zh) * 1998-08-13 2001-09-12 艾利森公司 通过蜂窝或pcs网络辅助gps接收机的方法和系统
CN1309519A (zh) * 2000-02-15 2001-08-22 摩托罗拉公司 用于压缩全球定位系统卫星广播消息信息的方法和设备
US20010050630A1 (en) * 2000-05-31 2001-12-13 Tomohiro Fujii Global positioning system
CN1457563A (zh) * 2001-02-16 2003-11-19 摩托罗拉公司 蜂窝通信网络中的gps辅助消息及其方法
US20040203461A1 (en) * 2002-11-13 2004-10-14 General Motors Corporation Method and system for providing GPS interference information from a civilian mobile vehicle communications system
US20060234641A1 (en) * 2005-02-03 2006-10-19 Lucent Technologies Inc. System for using an existing cellular network to detect incidents of GPS jaming
US7864109B2 (en) * 2005-11-29 2011-01-04 Nordnav Technologies Ab Method and spread spectrum software receiver for satellite navigation
US20120038512A1 (en) * 2008-05-20 2012-02-16 Geswender Chris E Satellite receiver and method for navigation using merged satellite system signals
US8130141B2 (en) * 2008-09-10 2012-03-06 Commlabs, Inc. Wide area positioning system
WO2011011118A1 (en) * 2009-07-24 2011-01-27 Trueposition, Inc. Diversity time and frequency location receiver

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114650541A (zh) * 2015-10-16 2022-06-21 苹果公司 Sas干扰抑制选项
CN108476512A (zh) * 2015-11-24 2018-08-31 瑞典爱立信有限公司 依赖位置对的干扰和业务模式数据库
CN106990415A (zh) * 2016-01-21 2017-07-28 通用汽车有限责任公司 改进车辆定位服务
CN106990415B (zh) * 2016-01-21 2020-06-16 通用汽车有限责任公司 改进车辆定位服务
WO2020098646A1 (zh) * 2018-11-14 2020-05-22 中兴通讯股份有限公司 检测伪gnss干扰的方法、装置和系统
CN111190195A (zh) * 2018-11-14 2020-05-22 中兴通讯股份有限公司 一种检测伪gnss干扰的方法、装置和系统
CN111190195B (zh) * 2018-11-14 2024-04-30 中兴通讯股份有限公司 一种检测伪gnss干扰的方法、装置和系统
CN114114330A (zh) * 2020-08-28 2022-03-01 霍尼韦尔国际公司 用于收集、处理和提供与干扰全球导航卫星系统有关的地理信息的系统和方法
CN114167453A (zh) * 2020-09-10 2022-03-11 阿里巴巴集团控股有限公司 一种干扰检测方法和装置
CN114167453B (zh) * 2020-09-10 2025-10-31 阿里巴巴集团控股有限公司 一种干扰检测方法和装置

Also Published As

Publication number Publication date
IN2014MN02327A (enExample) 2015-08-14
WO2013177181A2 (en) 2013-11-28
US9185516B2 (en) 2015-11-10
KR20150018830A (ko) 2015-02-24
US20160057580A1 (en) 2016-02-25
WO2013177181A3 (en) 2014-04-10
US9363642B2 (en) 2016-06-07
US20130310068A1 (en) 2013-11-21
EP2852850A2 (en) 2015-04-01

Similar Documents

Publication Publication Date Title
CN104508511A (zh) 射频干扰感知辅助数据
JP5479485B2 (ja) 直接方法によるフェムトセル位置検出
US8855677B2 (en) Nodes and methods for positioning
JP5292472B2 (ja) 代理方法によるフェムトセル位置検出
CA2821652C (en) Tdoa/gps hybrid wireless location system
CA2530892C (en) Method and apparatus for wireless network hybrid positioning
US9119063B2 (en) Unauthorized location detection and countermeasures
CN115398274A (zh) Sps欺骗检测
US20120021769A1 (en) Methods and Arrangements for Enabling Estimation of a Position of a Mobile Terminal
US20110210843A1 (en) System and method for location of mobile devices in confined environments
EP2086271A2 (en) User plane uplink time difference of arrival (U-TDOA)
AU2010239592A1 (en) Network autonomous wireless location system
EP4201085B1 (en) Methods and apparatus for enhanced wifi positioning using civic location for 4g and 5g
EP2664167B1 (en) Nodes and methods for positioning
EP3994499B1 (en) A device, a system, a method and computer program product for identifying interfering devices in position measurements
CN103313300A (zh) Mdt过程中获取位置信息的方法和设备
US20250324395A1 (en) Geolocation determination and reporting for network-connected devices
US11368812B2 (en) Method and system for adapting positioning techniques using spatial distribution probabilities

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150408

WD01 Invention patent application deemed withdrawn after publication