KR100969980B1 - 회선경쟁기반 매체 액세스를 이용하여 네트워크에서 무선링크를 적응시키는 방법 - Google Patents
회선경쟁기반 매체 액세스를 이용하여 네트워크에서 무선링크를 적응시키는 방법 Download PDFInfo
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- KR100969980B1 KR100969980B1 KR1020030004019A KR20030004019A KR100969980B1 KR 100969980 B1 KR100969980 B1 KR 100969980B1 KR 1020030004019 A KR1020030004019 A KR 1020030004019A KR 20030004019 A KR20030004019 A KR 20030004019A KR 100969980 B1 KR100969980 B1 KR 100969980B1
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000006978 adaptation Effects 0.000 title claims description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000004044 response Effects 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 101100172132 Mus musculus Eif3a gene Proteins 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 230000008859 change Effects 0.000 claims description 9
- 239000012634 fragment Substances 0.000 claims description 6
- 238000013467 fragmentation Methods 0.000 claims description 5
- 238000006062 fragmentation reaction Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 description 11
- 238000011156 evaluation Methods 0.000 description 4
- 238000012854 evaluation process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/407—Bus networks with decentralised control
- H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
- H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
- Communication Control (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
Description
필드 | PLCP 프리앰블 | PLCP 헤더 | 프레임 제어 | 지속시간 | 수신기 어드레스 | 검사합 |
길이 | 동기화 | 3+2바이트 | 2바이트 | 2바이트 | 6바이트 | 4바이트 |
Claims (8)
- 충돌방지형 반송파검출 다중접근 방식(CSMA/CA; Carrier Sense Multiple Access - Collision Avoidance)과 같은 회선경쟁기반 매체 액세스 매커니즘을 이용하여 적어도 제 1 및 제 2 단말기를 구비한 통신네트워크에서 무선링크를 적응시키는 방법에 있어서,상기 제 2 단말기(MT2)에서 송신한 데이터를 상기 제 1 단말기(MT1)에서 수신하는 것을 테스트하기 위해,- 상기 제 2 단말기로부터 상기 제 1 단말기로의 전송시에 품질 기준값의 변화를 야기하는 파라미터값을 상기 제 1 단말기(MT1)가 설정하는 단계와;- 상기 제 2 단말기로부터 상기 제 1 단말기로 사전에 결정된 응답을 트리거링(triggering)하기 위해 상기 제 2 단말기(MT2)에 대한 메시지를 상기 제 1 단말기(MT1)에서 생성하는 단계로서, 상기 사전에 결정된 응답은 상기 제 1 단말기에 미리 알려진 컨텐트를 갖고 상기 제 1 단말기에 의해 미리 알려진 시간에 수신되며, 상기 사전에 결정된 응답은 사전에 설정된 파라미터값으로 한정되는 조건에 따라 수신되고,상기 제 2 단말기로부터 상기 제 1 단말기로 사전에 결정된 응답을 트리거링하기 위해 제 1 단말기에서 생성된 메시지는 페이로드 데이터가 없는 데이터 패킷이고, 상기 메시지는 상기 제 2 단말기가 알고 있어야 하는 파라미터값과 관련된 정보를 포함하며, 상기 사전에 결정된 응답은 긍정응답(acknowledgment) 패킷인, 메시지 생성 단계와;- 상기 사전에 결정된 응답에 대해 수행된 품질 테스트에 기초하여 상기 제 1 단말기가 상기 품질 기준값을 평가하는 단계와;- 만약 상기 사전에 결정된 응답이 동작 링크의 품질 기준값보다 양호한 품질 기준값을 제공한다면, 상기 파라미터값을 사용하기 위해 동작 링크를 적응시키는 단계를포함하는 것을 특징으로 하는 통신네트워크의 무선링크 적응방법.
- 제 1항에 있어서, 상기 네트워크는 IEEE 802.11 네트워크인, 통신네트워크의 무선링크 적응방법.
- 제 2항에 있어서, 상기 메시지는 전송요구 패킷을 포함하며, 페이로드 데이터는 포함하지 않는, 통신네트워크의 무선링크 적응방법.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서, 상기 파라미터는 안테나 섹터 와 소자인, 통신네트워크의 무선링크 적응방법.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서, 상기 메시지는 널(null) 함수 타입의, 페이로드 데이터가 없는 데이터 패킷을 포함하는, 통신네트워크의 무선링크 적응방법.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서, 상기 파라미터는 물리적 모드 또는 데이터 전송율인, 통신네트워크의 무선링크 적응방법.
- 제 6항에 있어서, 상기 제 1 단말기는 단편화 모드에서 상기 메시지를 상기 제 2 단말기로 송신하는데, 상기 단편화 모드는 단일 버스트로 상기 메시지 프래그먼트의 전송을 포함하며, 각각의 프래그먼트는 상기 제 2 단말기에 의해 긍정응답되고, 상기 파라미터값은 각각의 긍정응답을 수신하기 전에, 긍정응답들 사이에서 변경되는, 통신네트워크의 무선링크 적응방법.
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02290236.5 | 2002-02-01 | ||
EP02290236A EP1335536A1 (en) | 2002-02-01 | 2002-02-01 | Method for radio link adaptation in a network with contention-based medium access |
Publications (2)
Publication Number | Publication Date |
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KR20030066343A KR20030066343A (ko) | 2003-08-09 |
KR100969980B1 true KR100969980B1 (ko) | 2010-07-15 |
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KR1020030004019A KR100969980B1 (ko) | 2002-02-01 | 2003-01-21 | 회선경쟁기반 매체 액세스를 이용하여 네트워크에서 무선링크를 적응시키는 방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20030147415A1 (ko) |
EP (1) | EP1335536A1 (ko) |
JP (1) | JP4200019B2 (ko) |
KR (1) | KR100969980B1 (ko) |
CN (1) | CN100349429C (ko) |
DE (1) | DE60313229T2 (ko) |
ES (1) | ES2285058T3 (ko) |
MX (1) | MXPA03000834A (ko) |
Families Citing this family (18)
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CN100353775C (zh) * | 2003-10-16 | 2007-12-05 | 华为技术有限公司 | 移动通信系统的现场测试装置及其方法 |
WO2005071909A1 (en) * | 2004-01-26 | 2005-08-04 | Samsung Electronics Co., Ltd. | Method and apparatus for setting, transmitting and receiving data for virtual carrier sensing in wireless network communication |
JP4220435B2 (ja) | 2004-05-28 | 2009-02-04 | 株式会社東芝 | 無線通信システムおよび無線端末 |
CN1744602B (zh) * | 2004-05-28 | 2012-02-15 | 株式会社东芝 | 无线通信系统及无线终端 |
CN1319343C (zh) * | 2005-05-26 | 2007-05-30 | 北京航空航天大学 | 一种用于短程无线网络的介质访问控制方法 |
US7899642B2 (en) | 2005-07-12 | 2011-03-01 | Nokia Corporation | Optimized RFID/NFC BER testing |
KR100657333B1 (ko) * | 2005-08-27 | 2006-12-14 | 삼성전자주식회사 | 무선채널 품질 측정방법 및 그 측정장치 |
US20080144500A1 (en) * | 2006-12-15 | 2008-06-19 | Motorola, Inc. | Control frame feature on demand in a wireless communication system |
CN101321182B (zh) * | 2008-05-19 | 2011-01-26 | 华中科技大学 | 一种分布式媒体接入协议 |
US8948069B2 (en) * | 2009-01-09 | 2015-02-03 | Qualcomm Incorporated | Methods and systems for improving response message transmission reliability |
TWI466564B (zh) * | 2009-07-16 | 2014-12-21 | Realtek Semiconductor Corp | 應用在通訊系統之傳輸功率調整方法及其裝置 |
US20140010156A1 (en) * | 2012-07-06 | 2014-01-09 | Mediatek Inc. | Method and Wireless Device for Antenna Selection |
US9883524B2 (en) * | 2015-11-04 | 2018-01-30 | Huawei Technologies Co., Ltd. | Systems and methods for configuring air interfaces with low overhead |
CN106055471A (zh) * | 2016-05-20 | 2016-10-26 | 深圳天珑无线科技有限公司 | 一种测试方法及终端 |
CN106502903B (zh) * | 2016-10-26 | 2019-08-30 | 腾讯科技(深圳)有限公司 | 一种程序的变更功能确定方法、装置及处理设备 |
KR102042790B1 (ko) * | 2018-07-24 | 2019-11-08 | 홍익대학교 산학협력단 | 캐리어 감지 다중 액세스/충돌 회피 무선망에서 신호 대 간섭 잡음비 기반 변조 코딩 방식 레벨 조절 방법 |
US20210194629A1 (en) * | 2019-12-20 | 2021-06-24 | Qualcomm Incorporated | Link adaptation protocol in a wireless local area network (wlan) |
CN111786831B (zh) * | 2020-06-30 | 2021-12-24 | 赛韵网络科技(上海)有限公司 | 一种用于实时优化通信会话的通信系统及方法 |
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2002
- 2002-02-01 EP EP02290236A patent/EP1335536A1/en not_active Withdrawn
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2003
- 2003-01-21 KR KR1020030004019A patent/KR100969980B1/ko active IP Right Grant
- 2003-01-24 CN CNB031029353A patent/CN100349429C/zh not_active Expired - Fee Related
- 2003-01-28 US US10/353,214 patent/US20030147415A1/en not_active Abandoned
- 2003-01-28 MX MXPA03000834A patent/MXPA03000834A/es active IP Right Grant
- 2003-01-30 ES ES03290233T patent/ES2285058T3/es not_active Expired - Lifetime
- 2003-01-30 DE DE60313229T patent/DE60313229T2/de not_active Expired - Lifetime
- 2003-01-31 JP JP2003024461A patent/JP4200019B2/ja not_active Expired - Fee Related
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US6097703A (en) | 1994-12-19 | 2000-08-01 | Salbu Research And Development (Proprietary Limited) | Multi-hop packet radio networks |
US5661727A (en) | 1996-06-12 | 1997-08-26 | International Business Machines Corporation | Schemes to determine presence of hidden terminals in wireless networks environment and to switch between them |
KR980007178A (ko) * | 1996-06-12 | 1998-03-30 | 포만 제프리 엘 | 무선 통신망 액세스 방법 및 히든 노드의 존재 여부 판단 방법 |
Also Published As
Publication number | Publication date |
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DE60313229D1 (de) | 2007-05-31 |
JP4200019B2 (ja) | 2008-12-24 |
US20030147415A1 (en) | 2003-08-07 |
JP2003264563A (ja) | 2003-09-19 |
DE60313229T2 (de) | 2007-12-27 |
CN100349429C (zh) | 2007-11-14 |
MXPA03000834A (es) | 2003-08-08 |
KR20030066343A (ko) | 2003-08-09 |
CN1435971A (zh) | 2003-08-13 |
ES2285058T3 (es) | 2007-11-16 |
EP1335536A1 (en) | 2003-08-13 |
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