JP4761365B2 - 通信スケジューリング方法 - Google Patents
通信スケジューリング方法 Download PDFInfo
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- JP4761365B2 JP4761365B2 JP2005378252A JP2005378252A JP4761365B2 JP 4761365 B2 JP4761365 B2 JP 4761365B2 JP 2005378252 A JP2005378252 A JP 2005378252A JP 2005378252 A JP2005378252 A JP 2005378252A JP 4761365 B2 JP4761365 B2 JP 4761365B2
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- radio
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- relay station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/17—Interaction among intermediate nodes, e.g. hop by hop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2441—Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/56—Queue scheduling implementing delay-aware scheduling
- H04L47/562—Attaching a time tag to queues
-
- 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
-
- 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
- H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
-
- 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
- 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]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Description
IEEE Standard for Local and metropolitan area networks - Part 16: Air Interface for Fixed Broadband Wireless Access Systems, IEEE 802.16 -2004, Oct, 2004.
Claims (5)
- 無線基地局、無線中継局および複数の無線端末を含み、無線基地局と各無線端末とが少なくとも一つの中継局を経由してパケットを交換するパケット交換網の通信スケジューリング方法において、
前記無線基地局、無線中継局および無線端末は、自身をカバレッジエリアに含む他局または他端末と相互に干渉する周波数帯で通信し、
無線基地局が、自局から無線中継局および無線端末へのダウンロード時、ならびに無線中継局から無線端末へのダウンロード時の干渉源を検知する手順と、
無線基地局が、無線中継局および無線端末から自局へのアップロード時、ならびに無線端末から無線中継局へのアップロード時の干渉源を検知する手順と、
無線基地局が、前記検知した干渉情報に基づいて、無線基地局と無線中継局との間、無線基地局と無線端末との間、および無線中継局と無線端末との間での通信スケジュールを、相互に干渉する無線基地局、無線中継局および無線端末の通信タイミングが重ならないように立案する手順と、
無線基地局から無線中継局へ、前記通信スケジュールのマップが登録されたフレームを送信する手順と、
無線中継局が、前記通信スケジュールが登録されたフレームを受信する手順と、
前記通信スケジュールが登録されたフレームを受信した無線中継局から無線端末へ、当該通信スケジュールのマップが登録されたフレームを送信する手順とを含み、
前記無線基地局は、前記相互に干渉する周波数帯同士での通信でありながら相互に干渉しないパケットを同一タイミングで通信させる通信スケジュールを立案することを特徴とする通信スケジューリング方法。 - 前記無線基地局がダウンロード時の干渉源を検知する手順が、
各無線端末が、無線基地局および無線中継局から送信されるブロードキャストメッセージを受信する手順と、
各無線端末が、ブロードキャストメッセージを受信できた送信元のうち、接続先の無線基地局または無線中継局以外の他の無線基地局および無線中継局を干渉源として認識する手順と、
前記無線端末が、前記干渉源の識別情報を含む干渉情報を無線基地局へ通知する手順とを含むことを特徴とする請求項1に記載の通信スケジューリング方法。 - 前記無線基地局がアップロード時の干渉源を検知する手順が、
無線中継局が、無線端末から送信されたメッセージを受信する手順と、
無線中継局が、メッセージを受信できた無線端末のうち、配下以外の無線端末を干渉源として認識する手順と、
無線中継局が、前記干渉源の識別情報を含む干渉情報を無線基地局へ通知する手順とを含むことを特徴とする請求項1または2に記載の通信スケジューリング方法。 - 前記無線基地局が、自局と中継局との間での通信タイミング、および中継局と無線端末との間での通信タイミングを規定するマップを作成する手順と、
前記無線基地局と無線中継局とが、前記マップおよび当該マップで通信タイミングを規定されたパケットが含まれるフレームを送受信する手順と、
前記無線中継局と無線端末とが、前記マップおよび当該マップで通信タイミングを規定されたパケットが含まれるフレームを送受信する手順とを含むことを特徴とする請求項1ないし3のいずれかに記載の通信スケジューリング方法。 - 前記無線基地局が、前記取得した干渉情報に基づいて、無線中継局間での通信スケジュールを立案する手順と、
無線中継局間で、通信スケジュールのマップおよびパケットの登録されたフレームを送受信する手順とをさらに含むことを特徴とする請求項1ないし3のいずれかに記載の通信スケジューリング方法。
Priority Applications (2)
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JP2005378252A JP4761365B2 (ja) | 2005-12-28 | 2005-12-28 | 通信スケジューリング方法 |
US11/645,512 US8014325B2 (en) | 2005-12-28 | 2006-12-27 | Communication scheduling method for wireless relay systems |
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JP2005378252A JP4761365B2 (ja) | 2005-12-28 | 2005-12-28 | 通信スケジューリング方法 |
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JP2007181003A JP2007181003A (ja) | 2007-07-12 |
JP4761365B2 true JP4761365B2 (ja) | 2011-08-31 |
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JP5038924B2 (ja) * | 2008-01-25 | 2012-10-03 | 株式会社エヌ・ティ・ティ・ドコモ | リレー伝送システム、基地局、中継局及び方法 |
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JP5128311B2 (ja) * | 2008-02-28 | 2013-01-23 | シャープ株式会社 | 基地局装置、端末装置及び無線通信システム |
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2005
- 2005-12-28 JP JP2005378252A patent/JP4761365B2/ja not_active Expired - Fee Related
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- 2006-12-27 US US11/645,512 patent/US8014325B2/en not_active Expired - Fee Related
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US8014325B2 (en) | 2011-09-06 |
US20070147341A1 (en) | 2007-06-28 |
JP2007181003A (ja) | 2007-07-12 |
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