IN2014CN03575A - - Google Patents
Download PDFInfo
- Publication number
- IN2014CN03575A IN2014CN03575A IN3575CHN2014A IN2014CN03575A IN 2014CN03575 A IN2014CN03575 A IN 2014CN03575A IN 3575CHN2014 A IN3575CHN2014 A IN 3575CHN2014A IN 2014CN03575 A IN2014CN03575 A IN 2014CN03575A
- Authority
- IN
- India
- Prior art keywords
- correction factor
- rtt
- acknowledgement
- estimate
- compensate
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/297,202 US8787191B2 (en) | 2011-11-15 | 2011-11-15 | Method and apparatus for determining distance in a Wi-Fi network |
| PCT/US2012/064524 WO2013074424A1 (fr) | 2011-11-15 | 2012-11-09 | Procédé et appareil de détermination de distance dans un réseau wi-fi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2014CN03575A true IN2014CN03575A (fr) | 2015-10-09 |
Family
ID=47222327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN3575CHN2014 IN2014CN03575A (fr) | 2011-11-15 | 2012-11-09 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US8787191B2 (fr) |
| EP (1) | EP2781129B1 (fr) |
| JP (1) | JP5731079B2 (fr) |
| KR (1) | KR101521564B1 (fr) |
| CN (1) | CN103947268B (fr) |
| IN (1) | IN2014CN03575A (fr) |
| WO (1) | WO2013074424A1 (fr) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9645225B2 (en) | 2008-11-21 | 2017-05-09 | Qualcomm Incorporated | Network-centric determination of node processing delay |
| US20100135178A1 (en) | 2008-11-21 | 2010-06-03 | Qualcomm Incorporated | Wireless position determination using adjusted round trip time measurements |
| US8892127B2 (en) | 2008-11-21 | 2014-11-18 | Qualcomm Incorporated | Wireless-based positioning adjustments using a motion sensor |
| US9125153B2 (en) | 2008-11-25 | 2015-09-01 | Qualcomm Incorporated | Method and apparatus for two-way ranging |
| US8768344B2 (en) | 2008-12-22 | 2014-07-01 | Qualcomm Incorporated | Post-deployment calibration for wireless position determination |
| US8781492B2 (en) | 2010-04-30 | 2014-07-15 | Qualcomm Incorporated | Device for round trip time measurements |
| US8787191B2 (en) * | 2011-11-15 | 2014-07-22 | Qualcomm Incorporated | Method and apparatus for determining distance in a Wi-Fi network |
| US9154904B2 (en) * | 2012-11-12 | 2015-10-06 | Tata Consultancy Services Limited | Method and system for accurate straight line distance estimation between two communication devices |
| JP2014165551A (ja) * | 2013-02-21 | 2014-09-08 | Fujitsu Ltd | 通信装置、通信方法、プログラム、及び、通信システム |
| US9191908B2 (en) * | 2013-03-05 | 2015-11-17 | Qualcomm Incorporated | Reducing impact of clock drift in wireless devices |
| US20140269400A1 (en) * | 2013-03-14 | 2014-09-18 | Qualcomm Incorporated | Broadcasting short interframe space information for location purposes |
| WO2014193372A1 (fr) * | 2013-05-30 | 2014-12-04 | Intel Corporation | Appareil, système et procédé d'estimation de l'emplacement d'un dispositif mobile |
| US9661603B2 (en) | 2013-08-30 | 2017-05-23 | Qualcomm Incorporated | Passive positioning utilizing beacon neighbor reports |
| US9445227B2 (en) | 2013-08-30 | 2016-09-13 | Qualcomm Incorporated | Passive positioning utilizing round trip time information |
| US9532328B2 (en) * | 2013-09-09 | 2016-12-27 | Qualcomm Incorporated | Methods and apparatuses for improving quality of positioning |
| US20150296552A1 (en) * | 2014-04-09 | 2015-10-15 | Qualcomm Incorporated | Wireless docking/undocking using fine time measurement |
| US9907044B2 (en) * | 2014-09-15 | 2018-02-27 | Qualcomm Incorporated | IEEE 802.11 enhancements for high efficiency positioning |
| US10582105B2 (en) | 2014-12-30 | 2020-03-03 | Qualcomm Incorporated | Changing camera parameters based on wireless signal information |
| US20160188540A1 (en) * | 2014-12-30 | 2016-06-30 | Qualcomm Incorporated | Tagging visual data with wireless signal information |
| US9824481B2 (en) | 2014-12-30 | 2017-11-21 | Qualcomm Incorporated | Maintaining heatmaps using tagged visual data |
| US10264396B2 (en) * | 2015-01-15 | 2019-04-16 | Mediatek Inc. | Method of distance measurement between wireless communication devices in wireless communication system |
| CN104602319A (zh) * | 2015-01-30 | 2015-05-06 | 海信集团有限公司 | 一种控制无线接入设备移动的方法与装置 |
| US9801019B2 (en) | 2015-03-16 | 2017-10-24 | Qualcomm Incorporated | Adaptive triggering of RTT ranging for enhanced position accuracy |
| US9706356B2 (en) * | 2015-03-25 | 2017-07-11 | Htc Corporation | Positioning system and method |
| US20160352605A1 (en) * | 2015-05-29 | 2016-12-01 | Qualcomm Incorporated | Systems and methods for distance bounding to an authenticated device |
| CN106443648B (zh) * | 2015-08-13 | 2019-06-21 | 株式会社理光 | 判断电子装置接近的方法与装置 |
| US20170127225A1 (en) * | 2015-10-29 | 2017-05-04 | Qualcomm Incorporated | Systems and methods for distance bounding using near field communication |
| US10440574B2 (en) * | 2016-06-12 | 2019-10-08 | Apple Inc. | Unlocking a device |
| WO2019044629A1 (fr) * | 2017-08-31 | 2019-03-07 | 株式会社村田製作所 | Système d'estimation de position |
| WO2019165632A1 (fr) * | 2018-03-02 | 2019-09-06 | 深圳市汇顶科技股份有限公司 | Procédé, appareil et équipement de positionnement en intérieur |
| US11483691B2 (en) | 2018-03-13 | 2022-10-25 | Cypress Semiconductor Corporation | Time of arrival estimation for Bluetooth systems and devices |
| US10939401B2 (en) * | 2018-07-09 | 2021-03-02 | Qualcomm Incorporated | Round trip time estimation based on a timing advance applied to a timing response |
| US11172388B2 (en) * | 2019-09-18 | 2021-11-09 | Kabushiki Kaisha Toshiba | Link quality awareness for uplink transmissions from nodes to gateways |
| US11778511B2 (en) | 2019-09-18 | 2023-10-03 | Kabushiki Kaisha Toshiba | Transmission parameter probing and searching for agile link quality adaptation |
| JP7476518B2 (ja) * | 2019-11-13 | 2024-05-01 | セイコーエプソン株式会社 | 無線通信システム、第２処理装置 |
| KR20220012755A (ko) * | 2020-07-23 | 2022-02-04 | 삼성전자주식회사 | 통신 수행 방법 및 장치 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL159276A0 (en) * | 2001-06-11 | 2004-06-01 | Qualcomm Inc | System and method for the detection and compensation of radio signal time of arrival errors |
| JP5726402B2 (ja) | 2005-11-07 | 2015-06-03 | クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | Ｗｌａｎ及び他の無線ネットワークの位置測定方法 |
| US7643430B2 (en) * | 2005-11-30 | 2010-01-05 | Cisco Technology, Inc. | Methods and apparatus for determining reverse path delay |
| WO2008121878A1 (fr) | 2007-03-28 | 2008-10-09 | Proximetry, Inc. | Systèmes et procédés pour mesure de distance dans des réseaux sans fil |
| WO2008147046A1 (fr) | 2007-05-25 | 2008-12-04 | Lg Electronics Inc. | Procédure de gestion dans un système de communication sans fil, et station prenant en charge la procédure de gestion |
| US8321741B2 (en) * | 2008-05-05 | 2012-11-27 | Industrial Technology Research Institute | System and apparatus for providing an adaptive control mechanism for wireless communications |
| US20100135178A1 (en) | 2008-11-21 | 2010-06-03 | Qualcomm Incorporated | Wireless position determination using adjusted round trip time measurements |
| US8165150B2 (en) | 2008-12-17 | 2012-04-24 | Avaya Inc. | Method and system for wireless LAN-based indoor position location |
| US8233457B1 (en) | 2009-09-03 | 2012-07-31 | Qualcomm Atheros, Inc. | Synchronization-free station locator in wireless network |
| JP5430481B2 (ja) * | 2010-04-12 | 2014-02-26 | 三菱電機株式会社 | ゲートウエイおよび端末 |
| US8781492B2 (en) | 2010-04-30 | 2014-07-15 | Qualcomm Incorporated | Device for round trip time measurements |
| US9057771B2 (en) * | 2011-04-25 | 2015-06-16 | Disney Enterprises, Inc. | Carrier sense-based ranging |
| US8787191B2 (en) * | 2011-11-15 | 2014-07-22 | Qualcomm Incorporated | Method and apparatus for determining distance in a Wi-Fi network |
-
2011
- 2011-11-15 US US13/297,202 patent/US8787191B2/en active Active
-
2012
- 2012-11-09 WO PCT/US2012/064524 patent/WO2013074424A1/fr active Application Filing
- 2012-11-09 KR KR1020147016186A patent/KR101521564B1/ko active IP Right Grant
- 2012-11-09 EP EP12791049.5A patent/EP2781129B1/fr active Active
- 2012-11-09 CN CN201280056246.XA patent/CN103947268B/zh active Active
- 2012-11-09 IN IN3575CHN2014 patent/IN2014CN03575A/en unknown
- 2012-11-09 JP JP2014542362A patent/JP5731079B2/ja active Active
-
2014
- 2014-07-02 US US14/322,800 patent/US9143967B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2781129A1 (fr) | 2014-09-24 |
| US20140313922A1 (en) | 2014-10-23 |
| CN103947268B (zh) | 2018-03-27 |
| US9143967B2 (en) | 2015-09-22 |
| JP2015503092A (ja) | 2015-01-29 |
| KR20140093994A (ko) | 2014-07-29 |
| WO2013074424A1 (fr) | 2013-05-23 |
| JP5731079B2 (ja) | 2015-06-10 |
| US20130121173A1 (en) | 2013-05-16 |
| US8787191B2 (en) | 2014-07-22 |
| CN103947268A (zh) | 2014-07-23 |
| WO2013074424A4 (fr) | 2013-07-11 |
| EP2781129B1 (fr) | 2018-05-16 |
| KR101521564B1 (ko) | 2015-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IN2014CN03575A (fr) | ||
| IL245806B (en) | Method and device for measuring a structure on a substrate, models for error correction, computer software products for implementing these methods and device | |
| IL247621B (en) | Process and device for determining layer error | |
| SA516371858B1 (ar) | مراقبة سلسلة أنابيب تغليف باستخدام أداة كهرومغناطيسية للكشف عن التآكل وتصحيح تأثيرات التوصيل (em) | |
| IL245795A0 (en) | Method, device and substrates for lithographic metrology | |
| IL221519A (en) | Method and system for determining coverage error | |
| EP2703832A4 (fr) | Procédé et appareil pour mesurer des distances, et procédé pour déterminer des positions | |
| EP2795440A4 (fr) | Appareil et procédé permettant de collecter des événements d'application avec les contacts d'un dispositif électronique | |
| WO2016072712A3 (fr) | Procédé de renvoi d'informations relatives à un canal et appareil associé | |
| IN2014MN02195A (fr) | ||
| EP2693675A4 (fr) | Procédé et dispositif pour la transmission d'information d'indication d'accusé de réception/d'accusé de réception négatif | |
| HK1183545A1 (zh) | 數據準確性的校驗方法及裝置 | |
| EP2849025A4 (fr) | Procédé, appareil et dispositif de prévention d'une opération erronée | |
| GB201017899D0 (en) | Methods,system & apparatus for error-free online parameter change (opc) transi tion phase in retransmission operation methods for an error-free sra transition | |
| WO2012123898A3 (fr) | Traitement du son basé sur une mesure de confiance | |
| TW201144947A (en) | Charged particle beam writing apparatus and charged particle beam writing method | |
| EP2787686A4 (fr) | Procédé et dispositif de détection d'erreur de synchronisation 1588 entre des éléments de réseau | |
| HK1180070A1 (en) | Method, device and system for testing server performance | |
| ITMI20120781A1 (it) | Metodo per calcolare un valore di compensazione di errore di una macchina | |
| EP3000832A4 (fr) | Procédé de préparation de terpolymère élastique | |
| EP2581377A4 (fr) | Dérivé d'hydrosilane, son procédé de production et procédé de production d'un film mince contenant du silicium | |
| MX357095B (es) | Aparato y método de envó/recepción de paquete en sistema de comunicación multimedia. | |
| GB2507892A (en) | Method and apparatus for correcting temperature effects for azimuthal directional resistivity tools | |
| EP2903167A4 (fr) | Procédé et appareil pour le codage de correction d'erreurs sans circuit de retour (fec) à base de duplex à répartition dans le temps (tdd) | |
| EP2863602A4 (fr) | Excitatrice et procédé de correction d'erreur en quadrature |