KR100438824B1 - 일대다 데이타 통신망의 전파 지연 보상 방법들 - Google Patents
일대다 데이타 통신망의 전파 지연 보상 방법들 Download PDFInfo
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- KR100438824B1 KR100438824B1 KR10-2001-0051007A KR20010051007A KR100438824B1 KR 100438824 B1 KR100438824 B1 KR 100438824B1 KR 20010051007 A KR20010051007 A KR 20010051007A KR 100438824 B1 KR100438824 B1 KR 100438824B1
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- South Korea
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- time
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- data communication
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000010586 diagram Methods 0.000 description 6
- 230000000737 periodic effect Effects 0.000 description 4
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
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- 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
- H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1881—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with schedule organisation, e.g. priority, sequence management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/147—Network analysis or design for predicting network behaviour
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims (6)
- 삭제
- 삭제
- 삭제
- 서로 공유된 전송 매체를 통해 통신하는 망 접속 집중국과 제1 ∼ 제N(여기서, N은 2이상의 양의 정수이다) 스테이션들을 갖는 일대다 데이타 통신망에서, 상기 망 접속 집중국으로부터 연결 고유 번호를 할당받게 된 해당 스테이션을 위한 상향 채널의 전송 타이밍 정보를 설정할 경우의 전파 지연 보상 방법에 있어서,(a) 최대의 전파 거리 지연 시간과 오프셋 시간으로 이루어진 맵 메시지를 전송 타이밍 정보로서 전송하는 단계;(b) 전송된 상기 맵 메시지를 수신한 시점부터 상기 오프셋 시간이 경과된 후, 데이타를 전송하는 단계; 및(c) 전송된 상기 데이타를 수신한 실제 시간과 예상 시간간의 차이를 반영하여 전파 거리로 인한 실제 지연 시간을 예측하는 단계를 구비하고,상기 맵 메시지는 예측된 상기 지연 시간과 상기 오프셋 시간으로 갱신되는 것을 특징으로 하는 일대다 데이타 통신망의 전파 지연 보상 방법.
- 제4 항에 있어서, 상기 (c) 단계는 반복되는 것을 특징으로 하는 일대다 데이타 통신망의 전파 지연 보상 방법.
- 제4 항에 있어서, 상기 전송 타이밍 정보는 할당 시작 시간을 포함하지 않는 것을 특징으로 하는 일대다 데이타 통신망의 전파 지연 보상 방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0051007A KR100438824B1 (ko) | 2001-08-23 | 2001-08-23 | 일대다 데이타 통신망의 전파 지연 보상 방법들 |
US10/185,066 US7251240B2 (en) | 2001-08-23 | 2002-07-01 | Method for transmitting data and compensating for propagation delay in point-to-multipoint data communication network |
DE2002603452 DE60203452T2 (de) | 2001-08-23 | 2002-07-02 | Verfahren zur Kompensation von Laufzeitverzögerungen in einem Punkt-zu-Mehrpunkt Datenkommunikationsnetzwerk |
EP20020254647 EP1286505B1 (en) | 2001-08-23 | 2002-07-02 | Method for compensating for propagation delay in a point-to-multipoint data communication network |
CN02140143A CN1402444A (zh) | 2001-08-23 | 2002-07-03 | 在点对多点通信网络中发送数据和补偿传播延迟的方法 |
JP2002242863A JP3771883B2 (ja) | 2001-08-23 | 2002-08-23 | 一対多データ通信網におけるデータの伝送方法および伝播遅延の補完方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0051007A KR100438824B1 (ko) | 2001-08-23 | 2001-08-23 | 일대다 데이타 통신망의 전파 지연 보상 방법들 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030016926A KR20030016926A (ko) | 2003-03-03 |
KR100438824B1 true KR100438824B1 (ko) | 2004-07-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0051007A KR100438824B1 (ko) | 2001-08-23 | 2001-08-23 | 일대다 데이타 통신망의 전파 지연 보상 방법들 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7251240B2 (ko) |
EP (1) | EP1286505B1 (ko) |
JP (1) | JP3771883B2 (ko) |
KR (1) | KR100438824B1 (ko) |
CN (1) | CN1402444A (ko) |
DE (1) | DE60203452T2 (ko) |
Families Citing this family (26)
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US8099094B2 (en) | 2004-07-12 | 2012-01-17 | Interdigital Technology Corporation | Neighbor scanning in wireless local area networks |
CN100518391C (zh) * | 2004-07-29 | 2009-07-22 | 北京三星通信技术研究有限公司 | 控制数据发送的方法 |
US20060067260A1 (en) * | 2004-09-30 | 2006-03-30 | Timo Tokkonen | Updating associating data in a media device |
JP5236149B2 (ja) * | 2005-05-31 | 2013-07-17 | 京セラ株式会社 | 放送装置、無線端末、通信システム |
US8213452B2 (en) * | 2006-07-18 | 2012-07-03 | Broadcom Corporation | Optimized scheduling method using ordered grants from a central controller |
US8179879B2 (en) * | 2006-09-18 | 2012-05-15 | Pmc-Sierra Israel Ltd. | Robust ranging method |
CN101731011B (zh) * | 2007-05-11 | 2014-05-28 | 奥迪耐特有限公司 | 用于设置接收器延迟时间的方法 |
US8462765B2 (en) | 2008-08-20 | 2013-06-11 | Qualcomm Incorporated | Method and apparatus to perform ranging operations for wireless stations |
WO2010082879A1 (en) * | 2009-01-16 | 2010-07-22 | Telefonaktiebolaget L M Ericsson (Publ) | A method and an interconnecting node for use in an access network |
US9042296B2 (en) | 2009-07-23 | 2015-05-26 | Qualcomm Incorporated | Synchronization of devices in a wireless communication network |
CN101867431B (zh) * | 2010-05-27 | 2013-10-30 | 同济大学 | 一种网络时钟同步方法 |
JP5605096B2 (ja) * | 2010-09-03 | 2014-10-15 | 富士通株式会社 | ノード装置、時間同期システムおよび時間同期方法 |
CN102142987B (zh) * | 2010-12-09 | 2014-01-08 | 浪潮(北京)电子信息产业有限公司 | 一种高速串行总线设备及其传输数据的方法 |
CN102118211A (zh) * | 2011-01-25 | 2011-07-06 | 西安电子科技大学 | 用于共享媒质统计时分复用系统的定时与同步方法 |
JP5565431B2 (ja) * | 2012-04-18 | 2014-08-06 | 横河電機株式会社 | 制御装置及び制御システム |
WO2014023001A1 (en) * | 2012-08-09 | 2014-02-13 | Qualcomm Incorporated | Methods and apparatus for device to device communications |
CN103546892B (zh) * | 2012-09-26 | 2016-12-21 | 深圳友讯达科技股份有限公司 | 一种数据传输方法、装置及系统 |
US9756613B2 (en) | 2012-12-06 | 2017-09-05 | Qualcomm Incorporated | Transmission and reception timing for device-to-device communication system embedded in a cellular system |
CN103595554B (zh) * | 2013-08-23 | 2017-06-13 | 烽火通信科技股份有限公司 | 一种网管对业务数据进行增量下载的方法 |
CN104601376B (zh) * | 2015-01-07 | 2019-03-01 | 北京华为数字技术有限公司 | 心跳报文发送方法及装置 |
US9924480B2 (en) * | 2015-07-24 | 2018-03-20 | Samsung Electronics Co., Ltd | Apparatus and method for calibrating delay between signal paths |
CN105137331B (zh) * | 2015-07-24 | 2017-11-17 | 北京华峰测控技术有限公司 | 一种集成电路测试系统数字通道信号对齐方法及装置 |
CN107733805B (zh) * | 2016-08-12 | 2021-04-16 | 腾讯科技(深圳)有限公司 | 业务负载调度方法和装置 |
US11122598B2 (en) * | 2017-08-29 | 2021-09-14 | Cable Television Laboratories, Inc. | Systems and methods for latency reduction using map staggering |
EP3873009B1 (de) * | 2020-02-28 | 2024-08-21 | Siemens Aktiengesellschaft | Verfahren zur synchronisation von steuerungsanwendungen über ein kommunikationsnetz zur übermittlung zeitkritischer daten, netzinfrastrukturgerät und kommunikationsendgerät |
WO2022151218A1 (zh) * | 2021-01-14 | 2022-07-21 | 捷开通讯(深圳)有限公司 | 传播延迟补偿方法、装置、设备、基站、系统以及介质 |
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JP2928623B2 (ja) | 1990-11-16 | 1999-08-03 | 日本電信電話株式会社 | ポイント―マルチポイント伝送方式 |
JP2677191B2 (ja) | 1994-03-15 | 1997-11-17 | 日本電気株式会社 | Cdma通信方式 |
JP3161957B2 (ja) | 1995-12-08 | 2001-04-25 | 株式会社日立製作所 | 時分割多元接続システムにおけるデータ送受信方法、並びに時分割多元接続システム |
JPH11331228A (ja) * | 1998-05-08 | 1999-11-30 | Toshiba Corp | データ通信システム及びデータ通信方法 |
EP1230763A2 (en) | 1999-11-15 | 2002-08-14 | Telefonaktiebolaget LM Ericsson (publ) | Access spreading in a packet data radio system |
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US7006535B2 (en) * | 2001-01-12 | 2006-02-28 | Broadcom Corporation | Method and system for providing time offset to minislot clock and count in headend devices |
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2001
- 2001-08-23 KR KR10-2001-0051007A patent/KR100438824B1/ko active IP Right Grant
-
2002
- 2002-07-01 US US10/185,066 patent/US7251240B2/en active Active
- 2002-07-02 EP EP20020254647 patent/EP1286505B1/en not_active Expired - Lifetime
- 2002-07-02 DE DE2002603452 patent/DE60203452T2/de not_active Expired - Fee Related
- 2002-07-03 CN CN02140143A patent/CN1402444A/zh active Pending
- 2002-08-23 JP JP2002242863A patent/JP3771883B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7251240B2 (en) | 2007-07-31 |
JP3771883B2 (ja) | 2006-04-26 |
CN1402444A (zh) | 2003-03-12 |
US20030039273A1 (en) | 2003-02-27 |
DE60203452T2 (de) | 2006-02-09 |
DE60203452D1 (de) | 2005-05-04 |
JP2003110583A (ja) | 2003-04-11 |
EP1286505A1 (en) | 2003-02-26 |
EP1286505B1 (en) | 2005-03-30 |
KR20030016926A (ko) | 2003-03-03 |
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