KR100791025B1 - 모바일 알에프 아이디 시스템에서 에어-채널 액세스 방법및 이를 이용한 태그 존 구획방법 - Google Patents
모바일 알에프 아이디 시스템에서 에어-채널 액세스 방법및 이를 이용한 태그 존 구획방법 Download PDFInfo
- Publication number
- KR100791025B1 KR100791025B1 KR1020050136294A KR20050136294A KR100791025B1 KR 100791025 B1 KR100791025 B1 KR 100791025B1 KR 1020050136294 A KR1020050136294 A KR 1020050136294A KR 20050136294 A KR20050136294 A KR 20050136294A KR 100791025 B1 KR100791025 B1 KR 100791025B1
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- reader
- rfid
- mobile
- tag
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- Expired - Fee Related
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10069—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the frequency domain, e.g. by hopping from one frequency to the other
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10356—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers using a plurality of antennas, e.g. configurations including means to resolve interference between the plurality of antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
- H04B2001/7154—Interference-related aspects with means for preventing interference
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
Description
Claims (8)
- 모바일 장치에 포함된 모바일 RFID 리더의 에어 채널 액세스 방법에 있어서,(a) 동일한 RFID 리더 존에 위치한 RFID 리더와 상기 모바일 RFID 리더 중 어느 하나에 RFID 태그에 대한 액세스에 관한 우선권을 부여하기 위하여 채널 모니터링을 이용한 리더 중재를 수행하는 단계; 및(b) 인접한 RFID 리더 존에 위치한 RFID 리더와 상기 모바일 RFID 리더 간의 간섭을 방지하기 위하여 상기 모바일 RFID 리더가 사용하려는 채널에 대한 모니터링을 수행한 후 점유되지 않은 채널로 주파수 호핑하는 단계를 포함하는 것을 특징으로 하는 에어-채널 액세스 방법.
- 제 1 항에 있어서,상기 (a) 단계는,(a-1) 채널 액세스 전(前)에 상기 리더 중재를 위한 채널 모니터링을 수행하는 단계;(a-2) 채널 점유 시간 동안의 라운드 동작을 위해, preamble - 명령(CMD) - CW를 반복 실행하는 단계; 및(a-3) 상기 라운드의 진행을 다음 채널 점유 시간으로 확장하기 위한 채널 호핑 전 호핑 하려는 채널의 상태를 모니터링하는 단계를 포함하는 것을 특징으로 하는 모바일 RFID 시스템에서 에어-채널 액세스 방법.
- 제 2 항에 있어서,상기 (a-1) 단계 및 (a-3) 단계의 채널 액세스를 위한 채널 모니터링은,상기 리더 자체에서 발생시키기 위한 비동기 리더 환경에 기반하는 것을 특징으로 하는 모바일 RFID 시스템에서 에어-채널 액세스 방법.
- 제 2 항에 있어서,상기 (a-1) 단계 및 (a-3) 단계의 채널 액세스를 위한 채널 모니터링은,네트워크로 연결된 RFID 애플리케이션 서버로부터 랜덤 순차에 의하여 지속적으로 천이하는 동기 리더 환경에 기반하는 것을 특징으로 하는 모바일 RFID 시스템에서 에어-채널 액세스 방법.
- 삭제
- 삭제
- 삭제
- (a) 다수의 태그, 다수의 RFID 리더 및 다수의 모바일 RFID 리더를 구비한 공간을 다수의 태그 존으로 분할하는 단계;(b) 상기 분할된 다수의 태그 존 중 어느 하나에 포함된 RFID 리더 및 모바일 RFID 리더가 채널 액세스 전에 채널 모니터링(LBT)을 각각 수행하여 리더 중재를 수행하는 단계;(c) 상기 분할된 다수의 태그 존 중 서로 다른 태그 존에 위치한 RFID 리더와 모바일 RFID 리더가 사용하려는 채널에 대한 모니터링을 수행한 후 점유되지 않은 채널로 주파수 호핑하는 단계를 포함하는 것을 특징으로 하는 모바일 RFID 시스템에서 에어-채널 액세스 방법을 이용한 태그 존 구획방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050136294A KR100791025B1 (ko) | 2005-12-31 | 2005-12-31 | 모바일 알에프 아이디 시스템에서 에어-채널 액세스 방법및 이를 이용한 태그 존 구획방법 |
| US11/614,163 US20070159302A1 (en) | 2005-12-31 | 2006-12-21 | Method for accessing air-channel in mobile rfid system and method for partitioning tag zone using the same |
| EP06077241A EP1804191A1 (en) | 2005-12-31 | 2006-12-28 | Method for accessing air-channel in mobile RFID system and method for partitioning tag zone using the same |
| CNA2006101704553A CN101004786A (zh) | 2005-12-31 | 2006-12-30 | 访问移动rfid系统中空中信道的方法及分割标签区的方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050136294A KR100791025B1 (ko) | 2005-12-31 | 2005-12-31 | 모바일 알에프 아이디 시스템에서 에어-채널 액세스 방법및 이를 이용한 태그 존 구획방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070072253A KR20070072253A (ko) | 2007-07-04 |
| KR100791025B1 true KR100791025B1 (ko) | 2008-01-03 |
Family
ID=37897742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050136294A Expired - Fee Related KR100791025B1 (ko) | 2005-12-31 | 2005-12-31 | 모바일 알에프 아이디 시스템에서 에어-채널 액세스 방법및 이를 이용한 태그 존 구획방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070159302A1 (ko) |
| EP (1) | EP1804191A1 (ko) |
| KR (1) | KR100791025B1 (ko) |
| CN (1) | CN101004786A (ko) |
Families Citing this family (23)
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| KR100769879B1 (ko) * | 2006-08-31 | 2007-10-24 | 연세대학교 산학협력단 | 모바일 rfid 리더 환경에서의 리더 충돌 방지 방법 |
| KR100797780B1 (ko) * | 2006-08-31 | 2008-01-24 | 연세대학교 산학협력단 | 모바일 rfid 환경에서의 리더 간 충돌 경감 방법 |
| CN101093549B (zh) * | 2007-07-27 | 2010-06-09 | 北京华大恒泰科技有限责任公司 | 射频识别系统的读写器的数据读取及标签的数据发送方法 |
| KR101407359B1 (ko) * | 2007-09-07 | 2014-06-13 | 삼성전자주식회사 | 무선 주파수 인식 리더기 및 그것의 무선 주파수 전송 방법 |
| KR100922530B1 (ko) * | 2007-09-18 | 2009-10-21 | 주식회사 이엠따블유안테나 | 다수의 rfid 리더 간의 충돌 없이 rfid 태그를판독할 수 있는 시스템 및 방법 |
| KR100929324B1 (ko) * | 2007-09-28 | 2009-11-27 | 에스케이 텔레콤주식회사 | Rfid 리더간 충돌 방지 시스템 및 그 방법 |
| FR2922672B1 (fr) * | 2007-10-19 | 2011-01-21 | Auchan France | Systeme d'authentification biometrique sans contact et procede d'authentification |
| US20090109929A1 (en) * | 2007-10-29 | 2009-04-30 | Electronics And Telecommunications Research Institute | Media access method performed by reader in dense reader environment |
| KR100930721B1 (ko) * | 2007-11-28 | 2009-12-09 | 한국전자통신연구원 | 무선식별 시스템에서 채널 존 생성 방법 및 채널 존을이용한 태그 식별 방법 |
| KR101478144B1 (ko) | 2007-12-27 | 2015-01-02 | 삼성전자주식회사 | 알에프아이디 통신 방법 |
| CN101315659B (zh) * | 2008-06-24 | 2010-06-09 | 杭州电子科技大学 | 一种防阅读器碰撞的阅读器与标签通信的方法 |
| CN101739539B (zh) * | 2008-11-06 | 2011-09-21 | 国民技术股份有限公司 | 采用自动跳频抗读卡冲突的方法 |
| KR20110016098A (ko) * | 2009-08-11 | 2011-02-17 | 삼성전자주식회사 | 휴대용 단말기에서 물품 정보를 제공하기 위한 장치 및 방법 |
| US8803661B2 (en) * | 2010-04-27 | 2014-08-12 | Nokia Corporation | Method and apparatus for contention resolution of passive endpoints |
| CN102143548A (zh) * | 2011-01-10 | 2011-08-03 | 北京六所新华科电子技术有限公司 | 一种rfid自组网系统及数据传输方法 |
| CN102682256A (zh) * | 2012-02-27 | 2012-09-19 | 北京汉朔科技有限公司 | 电子货架标签系统的网络布置方法和通信方式 |
| CN102646204B (zh) * | 2012-03-02 | 2015-04-29 | 东信和平科技股份有限公司 | 多读写终端与多智能卡间的协调控制方法、装置与系统 |
| CN103106381B (zh) * | 2013-01-25 | 2016-01-27 | 深圳市中兴长天信息技术有限公司 | 一种多阅读器防碰撞的方法及装置 |
| CN103177274B (zh) * | 2013-03-04 | 2015-12-02 | 珠海同方爱德科技有限公司 | 基于时隙的多个射频识别读写器的防碰撞方法 |
| CN104008355B (zh) * | 2014-06-06 | 2017-07-28 | 中山大学 | 一种rfid阅读器防碰撞资源二次规划方法 |
| US10045376B2 (en) * | 2016-02-16 | 2018-08-07 | Mediatek Inc. | Channel access procedure and QoS provisioning for uplink LAA |
| CN106599743B (zh) * | 2016-12-28 | 2019-03-22 | 北京安拓思科技有限责任公司 | 一种多阅读器防碰撞方法 |
| CN106650538B (zh) * | 2016-12-28 | 2019-03-26 | 北京安拓思科技有限责任公司 | 一种rfid阅读器防碰撞方法及系统 |
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- 2005-12-31 KR KR1020050136294A patent/KR100791025B1/ko not_active Expired - Fee Related
-
2006
- 2006-12-21 US US11/614,163 patent/US20070159302A1/en not_active Abandoned
- 2006-12-28 EP EP06077241A patent/EP1804191A1/en not_active Withdrawn
- 2006-12-30 CN CNA2006101704553A patent/CN101004786A/zh active Pending
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| US5828693A (en) | 1996-03-21 | 1998-10-27 | Amtech Corporation | Spread spectrum frequency hopping reader system |
| JP2000020651A (ja) | 1998-06-30 | 2000-01-21 | Kokusai Electric Co Ltd | リーダライタ |
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| US20040150510A1 (en) | 2002-03-28 | 2004-08-05 | Brother Kogyo Kabushiki Kaisha | Interrogator and tag of wireless communication system |
| JP2004266550A (ja) | 2003-02-28 | 2004-09-24 | Toshiba Tec Corp | 無線タグ質問器の送信方法及び無線タグ質問器システム |
| WO2004090783A2 (en) | 2003-03-31 | 2004-10-21 | Intermec Ip Corp. | Frequency hopping spread spectrum scheme for rfid reader |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070072253A (ko) | 2007-07-04 |
| EP1804191A1 (en) | 2007-07-04 |
| US20070159302A1 (en) | 2007-07-12 |
| CN101004786A (zh) | 2007-07-25 |
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