JP5189244B2 - 無線lanへのチャネルの割り当て - Google Patents
無線lanへのチャネルの割り当て Download PDFInfo
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- JP5189244B2 JP5189244B2 JP2005114040A JP2005114040A JP5189244B2 JP 5189244 B2 JP5189244 B2 JP 5189244B2 JP 2005114040 A JP2005114040 A JP 2005114040A JP 2005114040 A JP2005114040 A JP 2005114040A JP 5189244 B2 JP5189244 B2 JP 5189244B2
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- channel
- cell
- cells
- mutual interference
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- 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
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- 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]
- H04L12/46—Interconnection of networks
-
- 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
- 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)
Description
場合によっては、所定のチャネルnに関するチャネル配置の決定は、
Claims (5)
- 制御器を用いて、利用可能なチャネルのグループの中から、最大許容相互干渉を満たす無線LAN(WLAN)内の1つまたは複数のセルにチャネルを割り当てる方法であって、
時間的期間を、各々が十分に短い持続時間を有する複数のフレームへと分割する工程と、
最大許容相互干渉値が、チャネルn内でセルlに対する外部干渉の量と、セルkとlの両方が同じチャネル上で動作するときのセルkからセルlに対する相互干渉と2進のL次元割り当てベクトルとの積とから計算される相互干渉より大きいか等しいように、各々のフレームに関して、かつ1つまたは複数のWLANセルの各々1つに対して、利用可能なチャネルのグループの中から1つのチャネルを割り当てる工程と、
特定のフレーム期間にチャネルを割り当てられた前記WLANセルが送信を行なうことを許容する工程と、
特定のフレーム期間にチャネルを割り当てられていないWLANセルが前記特定のフレーム期間に送信することを阻止する工程とを含む方法。 - 前記特定のフレーム期間にどのような他のセルとも同じチャネルを割り当てられる各々のセルが、相互干渉を最小にするために前記同じチャネルを割り当てられた各々の他のセルから十分に離される、請求項1に記載の方法。
- 前記割り当て工程が、最大限に実現可能な割り当てベクトルのセットの中から前記2進のL次元割り当てベクトルを選択する工程をさらに含む、請求項1に記載の方法。
- 前記2進のL次元割り当てベクトルの選択がフレーム当たりのベースで繰り返される、請求項3に記載の方法。
- 利用可能なチャネルのグループの中から、最大許容相互干渉を満たす無線LAN(WLAN)内の1つまたは複数のセルにチャネルを割り当てる制御器であって、
時間的期間を、各々が十分に短い持続時間を有する複数のフレームへと分割し、
最大許容相互干渉値が、チャネルn内でセルlに対する外部干渉の量と、セルkとlの両方が同じチャネル上で動作するときのセルkからセルlに対する相互干渉と2進のL次元割り当てベクトルとの積とから計算される相互干渉より大きいか等しいように、各々のフレームに関して、かつ1つまたは複数のWLANセルの各々1つに対して、利用可能なチャネルのグループの中から1つのチャネルを割り当て、
特定のフレーム期間にチャネルを割り当てられた前記WLANセルが送信を行なうことを許容し、かつ
特定のフレーム期間にチャネルを割り当てられていないWLANセルが前記特定のフレーム期間に送信することを阻止する、ように動作することが可能な制御器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/821,893 US7194271B2 (en) | 2004-04-12 | 2004-04-12 | Allocation of channels to wireless LANs |
US10/821893 | 2004-04-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005304036A JP2005304036A (ja) | 2005-10-27 |
JP5189244B2 true JP5189244B2 (ja) | 2013-04-24 |
Family
ID=34940622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005114040A Expired - Fee Related JP5189244B2 (ja) | 2004-04-12 | 2005-04-12 | 無線lanへのチャネルの割り当て |
Country Status (5)
Country | Link |
---|---|
US (1) | US7194271B2 (ja) |
EP (1) | EP1587254A1 (ja) |
JP (1) | JP5189244B2 (ja) |
KR (1) | KR101170888B1 (ja) |
CN (1) | CN1684439B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060067267A1 (en) * | 2004-09-30 | 2006-03-30 | Golestani S J | Methods and devices for approximating optimal channel allocations |
KR101245082B1 (ko) * | 2005-08-18 | 2013-03-18 | 삼성전자주식회사 | 무선랜에서 채널 변경을 위한 시그널링 방법 및 장치 |
US7961749B2 (en) | 2005-08-18 | 2011-06-14 | Samsung Electronics Co., Ltd. | Signaling method and system for channel switching in a wireless local area network |
WO2009148432A1 (en) * | 2008-06-01 | 2009-12-10 | Hewlett-Packard Development Company, L.P. | Queue sharing and reconfiguration in pci express links |
KR101240352B1 (ko) * | 2008-12-09 | 2013-03-08 | 한국전자통신연구원 | 무선 통신 시스템에서 자원 할당 장치 및 방법 |
US9397876B2 (en) * | 2009-02-20 | 2016-07-19 | Broadcom Corporation | Synchronization and frame structure determination of a base station |
GB2505965B (en) * | 2012-09-18 | 2015-06-10 | Toshiba Res Europ Ltd | Controller for coordinating wireless transmissions between a plurality of radio units and one or more user devices |
CN103796210B (zh) * | 2012-10-26 | 2017-08-25 | 中国移动通信集团北京有限公司 | 一种进行信号传输的方法及设备 |
US9628168B2 (en) * | 2015-02-26 | 2017-04-18 | Space Systems/Loral, Llc | Dynamic link adaption and/or dynamic allocation of communication resources of a communication system based on external interference information received from external interference information sources |
CN113973308A (zh) * | 2020-07-22 | 2022-01-25 | 华为技术有限公司 | 一种信道和资源分配方法、设备及系统 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2113750C (en) | 1993-04-30 | 1999-08-24 | Hamid Ahmadi | A multiaccess scheme for mobile integrated local area networks |
US5574979A (en) * | 1994-06-03 | 1996-11-12 | Norand Corporation | Periodic interference avoidance in a wireless radio frequency communication system |
JP3047767B2 (ja) * | 1995-03-20 | 2000-06-05 | 株式会社日立製作所 | 無線lanシステム |
GB9607507D0 (en) | 1996-04-11 | 1996-06-12 | Symbionics Dev Ltd | Wireless communication |
JP3067747B2 (ja) * | 1998-12-07 | 2000-07-24 | 日本電気株式会社 | 無線チャネル割当システム及びアサインチャネル配送方法 |
US6636737B1 (en) * | 2000-04-10 | 2003-10-21 | Carnegie Mellon University | Method for assigning channels for access points of a wireless network |
US7027424B1 (en) * | 2000-05-24 | 2006-04-11 | Vtech Communications, Ltd. | Method for avoiding interference in a digital communication system |
US7050452B2 (en) * | 2000-10-06 | 2006-05-23 | Cognio, Inc. | Systems and methods for interference mitigation among multiple WLAN protocols |
US6892054B2 (en) * | 2000-12-29 | 2005-05-10 | Wherenet Corp | Interference suppression for wireless local area network and location system |
US7283494B2 (en) * | 2001-04-18 | 2007-10-16 | Skypilot Networks, Inc. | Network channel access protocol-interference and load adaptive |
US7164671B2 (en) * | 2001-12-27 | 2007-01-16 | Koninklijke Philips Electronics N.V. | Overlapping network allocation vector (ONAV) for avoiding collision in the IEEE 802.11 WLAN operating under HCF |
US7269151B2 (en) * | 2002-04-22 | 2007-09-11 | Cognio, Inc. | System and method for spectrum management of a shared frequency band |
US7333460B2 (en) * | 2003-03-25 | 2008-02-19 | Nokia Corporation | Adaptive beacon interval in WLAN |
US20050020299A1 (en) * | 2003-06-23 | 2005-01-27 | Quorum Systems, Inc. | Time interleaved multiple standard single radio system apparatus and method |
US20050190731A1 (en) * | 2004-03-01 | 2005-09-01 | Yigal Bejerano | Methods and devices for providing a relative level of fairness and QoS guarantees to wireless local area networks |
-
2004
- 2004-04-12 US US10/821,893 patent/US7194271B2/en active Active
-
2005
- 2005-03-23 EP EP05251768A patent/EP1587254A1/en not_active Ceased
- 2005-04-08 KR KR1020050029499A patent/KR101170888B1/ko active IP Right Grant
- 2005-04-11 CN CN2005100641196A patent/CN1684439B/zh not_active Expired - Fee Related
- 2005-04-12 JP JP2005114040A patent/JP5189244B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7194271B2 (en) | 2007-03-20 |
CN1684439A (zh) | 2005-10-19 |
US20050226191A1 (en) | 2005-10-13 |
CN1684439B (zh) | 2010-04-28 |
JP2005304036A (ja) | 2005-10-27 |
KR20060046662A (ko) | 2006-05-17 |
EP1587254A1 (en) | 2005-10-19 |
KR101170888B1 (ko) | 2012-08-07 |
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