JP4777432B2 - 多重ｆａシステムで効率的なスペクトル検知を使用する周波数チャネル割り当て方法 - Google Patents

多重ｆａシステムで効率的なスペクトル検知を使用する周波数チャネル割り当て方法 Download PDF

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JP4777432B2
JP4777432B2 JP2008535460A JP2008535460A JP4777432B2 JP 4777432 B2 JP4777432 B2 JP 4777432B2 JP 2008535460 A JP2008535460 A JP 2008535460A JP 2008535460 A JP2008535460 A JP 2008535460A JP 4777432 B2 JP4777432 B2 JP 4777432B2
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frequency
channel state
channel
secondary user
frequency channel
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JP2009512326A (ja
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ブブ−ジョ カン
ミュン−スン ソン
チャン−ジョ キム
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Electronics and Telecommunications Research Institute ETRI
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • 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
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/10—Dynamic resource partitioning
    • 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
    • H04W72/50—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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2008535460A 2005-10-14 2006-10-13 多重ｆａシステムで効率的なスペクトル検知を使用する周波数チャネル割り当て方法 Expired - Fee Related JP4777432B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR10-2005-0097113 2005-10-14
KR20050097113 2005-10-14
KR20060098640A KR100785799B1 (ko) 2005-10-14 2006-10-10 다중 주파수채널 시스템에서 효율적인 스펙트럼 센싱을이용한 채널 할당 방법
KR10-2006-0098640 2006-10-10
PCT/KR2006/004123 WO2007043827A1 (en) 2005-10-14 2006-10-13 Method of frequency channel assignment using effective spectrum sensing in multiple fa system

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JP2011117295A Division JP5249383B2 (ja) 2005-10-14 2011-05-25 多重ｆａシステムで効率的なスペクトル検知を使用する周波数チャネル割り当て方法

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JP2009512326A JP2009512326A (ja) 2009-03-19
JP4777432B2 true JP4777432B2 (ja) 2011-09-21

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JP2011117295A Expired - Fee Related JP5249383B2 (ja) 2005-10-14 2011-05-25 多重ｆａシステムで効率的なスペクトル検知を使用する周波数チャネル割り当て方法

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US (2) US8279767B2 (enExample)
EP (1) EP2533560A3 (enExample)
JP (2) JP4777432B2 (enExample)
KR (1) KR100785799B1 (enExample)
CN (1) CN101310465B (enExample)
CA (1) CA2625370C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011229158A (ja) * 2005-10-14 2011-11-10 Electronics And Telecommunications Research Institute 多重ｆａシステムで効率的なスペクトル検知を使用する周波数チャネル割り当て方法

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7146176B2 (en) 2000-06-13 2006-12-05 Shared Spectrum Company System and method for reuse of communications spectrum for fixed and mobile applications with efficient method to mitigate interference
US7409010B2 (en) * 2003-06-10 2008-08-05 Shared Spectrum Company Method and system for transmitting signals with reduced spurious emissions
US8184653B2 (en) * 2007-08-15 2012-05-22 Shared Spectrum Company Systems and methods for a cognitive radio having adaptable characteristics
US8155649B2 (en) * 2006-05-12 2012-04-10 Shared Spectrum Company Method and system for classifying communication signals in a dynamic spectrum access system
US8997170B2 (en) 2006-12-29 2015-03-31 Shared Spectrum Company Method and device for policy-based control of radio
US9538388B2 (en) * 2006-05-12 2017-01-03 Shared Spectrum Company Method and system for dynamic spectrum access
US7564816B2 (en) * 2006-05-12 2009-07-21 Shared Spectrum Company Method and system for determining spectrum availability within a network
US8027249B2 (en) 2006-10-18 2011-09-27 Shared Spectrum Company Methods for using a detector to monitor and detect channel occupancy
US8326313B2 (en) * 2006-05-12 2012-12-04 Shared Spectrum Company Method and system for dynamic spectrum access using detection periods
US8055204B2 (en) 2007-08-15 2011-11-08 Shared Spectrum Company Methods for detecting and classifying signals transmitted over a radio frequency spectrum
EP2115910B1 (en) * 2007-01-04 2017-08-30 QUALCOMM Incorporated Method and apparatus for distributed spectrum sensing for wireless communication
US7610036B2 (en) * 2007-01-08 2009-10-27 Mitsubishi Electric Research Laboratories, Inc. Space-time-frequency sensing of RF spectrum in cognitive radios
US8687563B2 (en) * 2007-01-09 2014-04-01 Stmicroelectronics, Inc. Simultaneous sensing and data transmission
US7742764B2 (en) * 2007-03-23 2010-06-22 Motorola, Inc. Method and apparatus for determining appropriate channels for communication
US8081972B2 (en) * 2007-05-25 2011-12-20 Huawei Technologies Co., Ltd. Method and system for sensing discontiguous channels in a wireless network
US20080317062A1 (en) * 2007-06-08 2008-12-25 Interuniversitair Microelektronica Centrum Vzw (Imec) Method for configuring mutli-channel communication
KR100934572B1 (ko) * 2007-10-31 2009-12-30 연세대학교 산학협력단 중복되는 신호를 이용한 인지 무선 통신 장치 및 그 방법
US7949357B2 (en) 2007-12-11 2011-05-24 Nokia Corporation Method and apparatus to select collaborating users in spectrum sensing
KR100937033B1 (ko) * 2007-12-14 2010-01-15 한국전자통신연구원 광대역 무선접속 시스템에서의 ｆａ 선택 방법 및 그를이용한 상향링크 대역 요구 방법
KR100960660B1 (ko) * 2007-12-18 2010-06-07 한국전자통신연구원 광대역 무선접속 시스템에서의 ｆａ 상태 변경 방법
KR101423337B1 (ko) * 2008-02-22 2014-07-25 삼성전자주식회사 허가된 주파수 대역을 이용하여 애드 훅 네트워크와 인프라네트워크를 연계하는 무선 통신 시스템과 이를 위한 무선단말과 통신 방법
US7885229B2 (en) 2008-04-03 2011-02-08 Nokia Corporation Method, apparatus and computer program for self-adjusting spectrum sensing for cognitive radio
US8718559B2 (en) 2008-04-07 2014-05-06 Nokia Corporation Method, apparatus and computer program for sensing spectrum in a cognitive radio environment
US20090296640A1 (en) * 2008-05-30 2009-12-03 Motorola, Inc. Method for optimizing the use of shared communication channels and dedicated communication channels in a communication system
ES2751718T3 (es) * 2008-06-04 2020-04-01 Optis Cellular Tech Llc Procedimiento y aparato relacionados con detección de espectro
EP2319260A2 (en) * 2008-08-19 2011-05-11 Shared Spectrum Company Method and system for dynamic spectrum access using specialty detectors and improved networking
JP5648286B2 (ja) * 2009-01-14 2015-01-07 ソニー株式会社 通信システム、通信装置、プログラム、及び通信制御方法
JP5338682B2 (ja) 2009-01-20 2013-11-13 ソニー株式会社 通信装置、プログラム、及び通信制御方法
EP2384044B1 (en) * 2009-01-26 2017-08-02 Sony Corporation Communication control method, communication apparatus, and program
US8290503B2 (en) * 2009-02-01 2012-10-16 Qualcomm Incorporated Multichannel dynamic frequency selection
US8902995B2 (en) * 2009-07-02 2014-12-02 Qualcomm Incorporated Transmitter quieting and reduced rate encoding
US8780982B2 (en) * 2009-07-02 2014-07-15 Qualcomm Incorporated Transmitter quieting and different encoding rates for portions of a set of frames
US9112618B2 (en) * 2009-07-02 2015-08-18 Qualcomm Incorporated Coding latency reductions during transmitter quieting
US8537772B2 (en) * 2009-07-02 2013-09-17 Qualcomm Incorporated Transmitter quieting during spectrum sensing
US8958475B2 (en) * 2009-07-02 2015-02-17 Qualcomm Incorporated Transmitter quieting and null data encoding
KR101212405B1 (ko) * 2009-07-16 2012-12-13 한국전자통신연구원 무선 통신 시스템에서의 센싱 채널 스케줄링 장치 및 방법
KR101404321B1 (ko) * 2009-09-24 2014-06-05 한국전자통신연구원 1차 면허권 시스템이 존재하는 환경에서의 주파수 셋 분류에 기반한 주파수 공유 방법 및 장치
US8725076B2 (en) 2009-09-24 2014-05-13 Electronics And Telecommunications Research Institute Method and apparatus for sharing frequency based on classification of frequency set in environment where incumbent system exists
JP5359833B2 (ja) * 2009-12-08 2013-12-04 日本電気株式会社 無線基地局、ハンドオーバ方法およびプログラム
JP5322009B2 (ja) * 2010-01-19 2013-10-23 独立行政法人情報通信研究機構 航空産業に適用される無線通信システム，及びエアバンド干渉検出方法
US20110305189A1 (en) * 2010-06-09 2011-12-15 The Hong Kong University Of Science And Technology Exploiting buffers in cognitive multi-relay systems for delay-sensitive applications
WO2012003566A1 (en) * 2010-07-09 2012-01-12 Wilan Inc. Tv white space devices using structured databases
US8861452B2 (en) 2010-08-16 2014-10-14 Qualcomm Incorporated Method and apparatus for use of licensed spectrum for control channels in cognitive radio communications
TWI521919B (zh) * 2010-10-11 2016-02-11 內數位專利控股公司 認知無線電網路頻寬配置方法及裝置
US9807778B2 (en) 2010-10-11 2017-10-31 Interdigital Patent Holdings, Inc. Dynamic spectrum management
JP5704704B2 (ja) * 2011-02-28 2015-04-22 独立行政法人情報通信研究機構 コグニティブ無線通信システム
JP5240593B2 (ja) * 2011-07-08 2013-07-17 株式会社安川電機 回転電機
KR20140129007A (ko) * 2012-02-08 2014-11-06 엘지전자 주식회사 무선통신시스템에서 신호를 송수신하는 방법 및 장치
CN103813342A (zh) * 2012-11-06 2014-05-21 华为技术有限公司 动态频谱管理的方法、装置及系统
US9179409B2 (en) 2012-12-03 2015-11-03 Qualcomm Incorporated Multiple access scheme for narrowband channels
KR101514670B1 (ko) * 2013-10-21 2015-04-24 동국대학교 경주캠퍼스 산학협력단 다중 디바이스 실감방송에서 스펙트럼 센싱을 이용한 무선방송채널 활용방법
US9813914B2 (en) * 2013-12-06 2017-11-07 Qualcomm Incorporated System and method for management of spectrum interference rights and secondary use permissions
FR3016103B1 (fr) * 2013-12-31 2017-03-10 Thales Sa Procede et systeme de partage du spectre radio
CN104144427B (zh) * 2014-07-23 2017-11-07 华南理工大学 一种无线认知网络频带分配方法
EP3182749B1 (en) * 2014-09-11 2020-02-12 Huawei Technologies Co., Ltd. Network device, wireless communication system and method for determining availability of communication frequency 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
EP3248427B1 (en) * 2015-01-20 2021-04-07 Sony Corporation User equipment, cellular network node and method for providing licensed-assisted access
CN106465411A (zh) 2015-05-12 2017-02-22 韩国电子通信研究院 用于在未授权频带中发送自适应部分子帧的方法和装置、用于划分帧结构的方法和装置、以及用于发送信号的方法和装置
US10439767B2 (en) 2015-08-13 2019-10-08 Electronics And Telecommunications Research Institute Apparatus for transmitting and receiving data through unlicensed band
KR102419355B1 (ko) 2016-01-27 2022-07-12 한국전자통신연구원 무인기 제어용 통신 채널 동적 할당 및 변경 방법 및 절차
KR102574506B1 (ko) 2016-01-29 2023-09-05 한국전자통신연구원 비면허대역 통신 시스템에서 신호를 전송하는 방법 및 장치, 상향링크 스케줄링 방법 및 장치, 그리고 채널 상태 측정 구간에 관한 정보를 전송하는 방법 및 장치
US10575312B2 (en) * 2016-12-01 2020-02-25 Electronics And Telecommunications Research Institute Method of assigning channel for UAS control and non-payload communication (CNPC) system
US10548114B2 (en) 2017-07-25 2020-01-28 Microsoft Technology Licensing, Llc Multi-tier spectrum access channel assignment
KR102395355B1 (ko) 2017-12-06 2022-05-10 한국전자통신연구원 채널 공유에 기반한 애드 혹 방송 서비스 제공 방법 및 이를 위한 장치
WO2019185507A1 (en) * 2018-03-29 2019-10-03 British Telecommunications Public Limited Company An improved channel selection method for a wireless lan
EP3868144B1 (en) 2018-10-16 2023-11-22 British Telecommunications public limited company Measuring channel performance in wireless local area networks
US11284404B2 (en) 2019-02-07 2022-03-22 Raytheon Company Apparatus and method for communications in congested radio frequency environments via dynamic usage exchange
JP7201090B2 (ja) * 2019-07-24 2023-01-10 日本電信電話株式会社 帯域共用通信システム、回線制御方法、回線制御装置および回線制御プログラム
JP7197014B2 (ja) * 2019-07-24 2022-12-27 日本電信電話株式会社 帯域共用通信システム、回線制御方法、回線制御装置および回線制御プログラム
JP7197015B2 (ja) * 2019-07-24 2022-12-27 日本電信電話株式会社 帯域共用通信システム、回線制御方法、回線制御装置および回線制御プログラム
US11212372B2 (en) * 2019-12-31 2021-12-28 Ooma, Inc. Enhanced multi transport for redundancy
JP7486590B2 (ja) 2020-01-31 2024-05-17 ヒタチ・エナジー・リミテッド 無線通信システムにおけるチャネル割当
US11611405B2 (en) 2020-08-11 2023-03-21 Microsoft Technology Licensing, Llc Efficient spectrum allocation in a multi-node optical network
CN114339690A (zh) * 2020-09-27 2022-04-12 索尼公司 用于无线通信的电子设备和方法、计算机可读存储介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000236337A (ja) * 1999-02-15 2000-08-29 Nippon Telegr & Teleph Corp <Ntt> 無線パケット伝送システム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0314329A (ja) * 1989-06-13 1991-01-23 Matsushita Electric Ind Co Ltd コードレス電話装置
US5197093A (en) * 1990-04-13 1993-03-23 Phonemate, Inc. Enviromental adaptive mechanism for channel utilization in cordless telephones
JP2586316B2 (ja) * 1993-12-22 1997-02-26 日本電気株式会社 セクタ構成移動通信システム
JP3231575B2 (ja) * 1995-04-18 2001-11-26 三菱電機株式会社 無線データ伝送装置
US5809059A (en) * 1996-11-21 1998-09-15 Motorola, Inc. Method and apparatus for spread spectrum channel assignment
JPH10285103A (ja) * 1997-04-11 1998-10-23 Nec Commun Syst Ltd 空き中無線チャネル干渉検出方法
US6466793B1 (en) * 1999-05-28 2002-10-15 Ericsson Inc. Automatic frequency allocation (AFA) for wireless office systems sharing the spectrum with public systems
US6862273B2 (en) * 2001-01-10 2005-03-01 Motorola, Inc. Method and apparatus for providing dispatch scan in a CDMA communication system
EP1248477A1 (en) * 2001-04-03 2002-10-09 Telefonaktiebolaget L M Ericsson (Publ) Method and device for controlling dynamic frequency selection within a wireless communication system
US6870815B2 (en) * 2003-01-30 2005-03-22 Atheros Communications, Inc. Methods for implementing a dynamic frequency selection (DFS) and a temporary channel selection feature for WLAN devices
KR100606129B1 (ko) * 2003-04-30 2006-07-28 삼성전자주식회사 광대역 무선 접속 통신 시스템에서 채널 품질 측정 및보고 방법
US7474895B1 (en) * 2004-03-04 2009-01-06 Zte (Usa) Inc. Frequency reuse in wireless communication networks
US9161231B2 (en) * 2004-10-14 2015-10-13 Alcatel Lucent Method and system for wireless networking using coordinated dynamic spectrum access
JP4589711B2 (ja) * 2004-12-14 2010-12-01 富士通株式会社 無線通信システム及び無線通信装置
US8126482B2 (en) * 2005-03-04 2012-02-28 Qualcomm Incorporated Multiple paging channels for efficient region paging
US20080219201A1 (en) * 2005-09-16 2008-09-11 Koninklijke Philips Electronics, N.V. Method of Clustering Devices in Wireless Communication Network
JP2007088940A (ja) * 2005-09-22 2007-04-05 Toshiba Corp コグニティブ通信システムおよびコグニティブ通信方法
WO2007043827A1 (en) 2005-10-14 2007-04-19 Electronics And Telecommunications Research Institute Method of frequency channel assignment using effective spectrum sensing in multiple fa system
KR100785799B1 (ko) * 2005-10-14 2007-12-13 한국전자통신연구원 다중 주파수채널 시스템에서 효율적인 스펙트럼 센싱을이용한 채널 할당 방법

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000236337A (ja) * 1999-02-15 2000-08-29 Nippon Telegr & Teleph Corp <Ntt> 無線パケット伝送システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011229158A (ja) * 2005-10-14 2011-11-10 Electronics And Telecommunications Research Institute 多重ｆａシステムで効率的なスペクトル検知を使用する周波数チャネル割り当て方法
US9332440B2 (en) 2005-10-14 2016-05-03 Electronics And Telecommunications Research Institute Method of frequency channel assignment using effective spectrum sensing in multiple frequency assignment system

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US8279767B2 (en) 2012-10-02
CN101310465B (zh) 2011-10-12
KR100785799B1 (ko) 2007-12-13
US9332440B2 (en) 2016-05-03
EP2533560A2 (en) 2012-12-12
CA2625370C (en) 2014-09-16
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