KR100885445B1 - 무선 네트워크에서의 채널 평가 방법 - Google Patents

무선 네트워크에서의 채널 평가 방법 Download PDF

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Publication number
KR100885445B1
KR100885445B1 KR1020060113324A KR20060113324A KR100885445B1 KR 100885445 B1 KR100885445 B1 KR 100885445B1 KR 1020060113324 A KR1020060113324 A KR 1020060113324A KR 20060113324 A KR20060113324 A KR 20060113324A KR 100885445 B1 KR100885445 B1 KR 100885445B1
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South Korea
Prior art keywords
channel
delete delete
coordinator
wireless network
information
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KR1020060113324A
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English (en)
Korean (ko)
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KR20080037492A (ko
Inventor
조현철
전범진
김택수
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엘지전자 주식회사
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Priority to PCT/KR2007/005314 priority Critical patent/WO2008051049A2/en
Priority to US12/374,540 priority patent/US7869380B2/en
Priority to EP07833623.7A priority patent/EP2057786B1/en
Priority to JP2009526548A priority patent/JP4688957B2/ja
Publication of KR20080037492A publication Critical patent/KR20080037492A/ko
Application granted granted Critical
Publication of KR100885445B1 publication Critical patent/KR100885445B1/ko
Priority to US12/957,353 priority patent/US8570984B2/en
Priority to US14/035,708 priority patent/US9001773B2/en
Priority to US14/252,459 priority patent/US9356758B2/en
Priority to US15/141,501 priority patent/US20160248566A1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/323—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the physical layer [OSI layer 1]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/324—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the data link layer [OSI layer 2], e.g. HDLC
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020060113324A 2006-10-26 2006-11-16 무선 네트워크에서의 채널 평가 방법 Expired - Fee Related KR100885445B1 (ko)

Priority Applications (8)

Application Number Priority Date Filing Date Title
PCT/KR2007/005314 WO2008051049A2 (en) 2006-10-26 2007-10-26 Methods of channel assessment and channel searching in a wireless network
US12/374,540 US7869380B2 (en) 2006-10-26 2007-10-26 Method of channel assessment and channel searching in a wireless network
EP07833623.7A EP2057786B1 (en) 2006-10-26 2007-10-26 Channel assessment and channel assessment control in a wireless network
JP2009526548A JP4688957B2 (ja) 2006-10-26 2007-10-26 無線ネットワークでのチャネル評価及びチャネル探索方法
US12/957,353 US8570984B2 (en) 2006-10-26 2010-11-30 Method of channel assessment and channel searching in a wireless network
US14/035,708 US9001773B2 (en) 2006-10-26 2013-09-24 Method of channel assessment and channel searching in a wireless network
US14/252,459 US9356758B2 (en) 2006-10-26 2014-04-14 Method of channel assessment and channel searching in a wireless network
US15/141,501 US20160248566A1 (en) 2006-10-26 2016-04-28 Method of channel assessment and channel searching in a wireless network

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US86312406P 2006-10-26 2006-10-26
US60/863,124 2006-10-26
KR1020060106636 2006-10-31
KR20060106636 2006-10-31

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020080114939A Division KR101199390B1 (ko) 2006-10-26 2008-11-19 무선 네트워크에서의 채널 탐색 방법

Publications (2)

Publication Number Publication Date
KR20080037492A KR20080037492A (ko) 2008-04-30
KR100885445B1 true KR100885445B1 (ko) 2009-02-24

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KR1020060113324A Expired - Fee Related KR100885445B1 (ko) 2006-10-26 2006-11-16 무선 네트워크에서의 채널 평가 방법

Country Status (5)

Country Link
US (1) US7869380B2 (enExample)
EP (1) EP2057786B1 (enExample)
JP (1) JP4688957B2 (enExample)
KR (1) KR100885445B1 (enExample)
WO (1) WO2008051049A2 (enExample)

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KR101199390B1 (ko) 2006-10-26 2012-11-12 엘지전자 주식회사 무선 네트워크에서의 채널 탐색 방법
KR100917889B1 (ko) * 2006-11-01 2009-09-16 삼성전자주식회사 무선 통신 장치 및 방법
US8102835B2 (en) * 2006-12-04 2012-01-24 Samsung Electronics Co., Ltd. System and method for wireless communication of uncompressed video having a beacon length indication
US8396018B2 (en) 2006-12-04 2013-03-12 Samsung Electronics Co., Ltd. System and method for wireless communication of uncompressed video having beacon design
US20090232116A1 (en) * 2008-03-11 2009-09-17 Li Guoqing C Mechanism to avoid interference and improve channel efficiency in mmwave wpans
US9019985B2 (en) * 2008-03-12 2015-04-28 Broadcom Corporation Method and system for scheduling multiple concurrent transmissions during a contention access period in a wireless communications network
EP2209346A3 (en) * 2009-01-19 2011-11-23 Siemens Aktiengesellschaft A method for data transmission in a local area network
KR100959326B1 (ko) * 2009-10-14 2010-05-20 주식회사 투니텔 인지형 ｕｓｎ 시스템 및 데이터 전송 방법
CN102821492B (zh) * 2011-06-07 2017-06-13 苏州科技学院 一种基于双信道跳频的无线传感网络和以太网网关
KR20140041728A (ko) * 2011-07-20 2014-04-04 엘지전자 주식회사 무선 통신 시스템에서 채널 스위칭 방법 및 이를 위한 장치
US9973957B2 (en) 2013-09-25 2018-05-15 Apple Inc. Application dependent channel condition assessment
EP3117586B1 (en) * 2014-03-11 2023-03-01 IPLA Holdings Inc. Cross-layer context management
US10375690B2 (en) * 2014-08-08 2019-08-06 Qualcomm Incorporated Special subframe configuration in unlicensed spectrum
US20160095114A1 (en) 2014-09-26 2016-03-31 Electronics And Telecommunications Research Institute Method and apparatus for managing allocation and usage of radio resource, method and apparatus for transmitting data through unlicensed band channel, and method and apparatus for managing access of radio resource
US10411867B2 (en) * 2015-04-30 2019-09-10 Sony Corporation Communication apparatus and communication method
WO2017006607A1 (ja) 2015-07-07 2017-01-12 ソニー株式会社 通信装置および通信方法
US10439767B2 (en) 2015-08-13 2019-10-08 Electronics And Telecommunications Research Institute Apparatus for transmitting and receiving data through unlicensed band
US10153804B2 (en) 2016-06-17 2018-12-11 Nxp Usa, Inc. Clear channel assessment

Citations (1)

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KR200419292Y1 (ko) 2005-04-08 2006-06-16 인터디지탈 테크날러지 코포레이션 메시 네트워크에서 채널 전환을 끊김없이 조정하는 장치

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JP3751265B2 (ja) * 2002-06-20 2006-03-01 松下電器産業株式会社 無線通信システムおよびスケジューリング方法
US6940843B2 (en) * 2003-02-14 2005-09-06 Cisco Technology, Inc. Selecting an access point according to a measure of received signal quality
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Also Published As

Publication number Publication date
WO2008051049A3 (en) 2009-09-03
US20090268697A1 (en) 2009-10-29
EP2057786B1 (en) 2015-03-25
JP4688957B2 (ja) 2011-05-25
JP2010504659A (ja) 2010-02-12
US7869380B2 (en) 2011-01-11
WO2008051049A2 (en) 2008-05-02
EP2057786A4 (en) 2010-11-03
EP2057786A2 (en) 2009-05-13
KR20080037492A (ko) 2008-04-30

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