JP2012507239A - 無線通信システムにおける中継器の動作方法 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15507—Relay station based processing for cell extension or control of coverage area
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15557—Selecting relay station operation mode, e.g. between amplify and forward mode, decode and forward mode or FDD - and TDD mode
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
-
- 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
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- 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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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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]
- H04W84/04—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
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Abstract
【解決手段】前記動作方法は、基地局と中継器との間の第1のダウンリンク及び第1のアップリンクが同時に活性化される第1のサブモードと、前記中継器と端末との間の第2のダウンリンク及び第2のアップリンクが同時に活性化される第2のサブモードと、で構成される第1のモードで動作する段階、及び前記第1のダウンリンク及び前記第2のアップリンクが同時に活性化される第3のサブモードと、前記第1のアップリンク及び前記第2のダウンリンクが同時に活性化される第4のサブモードと、で構成される第2のモードで動作する段階を含む。
【選択図】図12
Description
Claims (15)
- 無線通信システムにおける中継器の動作方法において、
基地局と前記中継器との間の第1のダウンリンク及び第1のアップリンクが同時に活性化される第1のサブモードと、前記中継器と端末との間の第2のダウンリンク及び第2のアップリンクが同時に活性化される第2のサブモードと、で構成される第1のモードで動作する段階、及び、
前記第1のダウンリンク及び前記第2のアップリンクが同時に活性化される第3のサブモードと、前記第1のアップリンク及び前記第2のダウンリンクが同時に活性化される第4のサブモードと、で構成される第2のモードで動作する段階、
を有する方法。 - 前記中継器は、特定サブフレームを考慮して前記第1のモードと前記第2のモードとの間でモード変更が行われる、請求項1に記載の方法。
- 前記特定サブフレームは、制御チャネルが送信されるサブフレームである、請求項2に記載の方法。
- 前記制御チャネルは、同期チャネル、ブロードキャストチャネル、及びページングチャネルのうち少なくとも一つである、請求項3に記載の方法。
- 前記特定サブフレームは、特定の個数のサブフレーム毎に繰り返される、請求項2に記載の方法。
- 前記特定サブフレームは、予め決定されたパターンによって繰り返される、請求項2に記載の方法。
- 前記中継器は、前記端末に関して少なくとも一つのハイブリッド自動再送要求(HARQ)プロセスを実行する、請求項1に記載の方法。
- 各ハイブリッド自動再送要求プロセスは、2以上のサブフレーム毎に開始される、請求項7に記載の方法。
- 前記中継器が前記端末にサブフレーム設定情報を送信する段階を更に有し、
前記サブフレーム設定情報は、前記第2のダウンリンク及び前記第2のアップリンクのうち少なくとも一つが非活性化されるサブフレームに関する情報を有する、請求項1に記載の方法。 - 無線通信システムにおける中継器の動作方法において、
基地局と前記中継器との間のバックホールリンクを介して前記基地局と通信する段階、及び、
前記中継器と端末との間のアクセスリンクを介して前記中継器に接続された前記端末と通信する段階、を有し、
前記バックホールリンク及び前記アクセスリンクは、特定の規則によって活性化される、方法。 - 前記バックホールリンクが偶数番目のサブフレームで活性化される場合、前記アクセスリンクは奇数番目のサブフレームで活性化され、前記バックホールリンクが奇数番目のサブフレームで活性化される場合、前記アクセスリンクは偶数番目のサブフレームで活性化される、請求項10に記載の方法。
- 前記バックホールリンクのアップリンクと前記アクセスリンクのダウンリンクが同時に活性化され、前記バックホールリンクのダウンリンクと前記アクセスリンクのアップリンクが同時に活性化される、請求項10に記載の方法。
- 前記基地局と通信する段階は、
前記基地局からアップリンクスケジューリング許可を受信する段階と、
前記アップリンクスケジューリング許可によってアップリンクデータを特定の時刻に基地局に送信する段階と、
前記基地局から前記アップリンクデータ送信に対する肯定応答(ACK)/否定応答(NACK)を受信する段階とを有し、
前記特定の時刻は、前記特定の規則によって前記バックホールリンクのアップリンクが活性化された時刻である、請求項10に記載の方法。 - 無線信号を送受信する無線周波(RF)部及び
前記無線周波部に接続されたプロセッサを備えた中継器であって、
前記プロセッサは、基地局と前記中継器との間の第1のダウンリンク及び第1のアップリンクが同時に活性化される第1のサブモードと、前記中継器と端末との間の第2のダウンリンク及び第2のアップリンクが同時に活性化される第2のサブモードと、で構成される第1のモード、及び前記第1のダウンリンク及び前記第2のアップリンクが同時に活性化される第3のサブモードと、前記第1のアップリンク及び前記第2のダウンリンクが同時に活性化される第4のサブモードと、で構成される第2のモードで動作する、中継器。 - モード変更部を更に備え、前記モード変更部は、特定サブフレームを考慮して前記第1のモードと前記第2のモードとの間でモード変更が行われるように設定される、請求項14に記載の中継器。
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CN102227881A (zh) | 2011-10-26 |
CN102227881B (zh) | 2014-05-07 |
US20170245299A1 (en) | 2017-08-24 |
US20140140267A1 (en) | 2014-05-22 |
US8675542B2 (en) | 2014-03-18 |
EP2342838B1 (en) | 2019-10-16 |
US20160099767A1 (en) | 2016-04-07 |
JP5406303B2 (ja) | 2014-02-05 |
US9240833B2 (en) | 2016-01-19 |
WO2010050705A2 (en) | 2010-05-06 |
KR101527977B1 (ko) | 2015-06-15 |
JP2013258756A (ja) | 2013-12-26 |
EP2342838A2 (en) | 2011-07-13 |
EP2342838A4 (en) | 2017-06-21 |
US20100103860A1 (en) | 2010-04-29 |
US10206222B2 (en) | 2019-02-12 |
KR20100047114A (ko) | 2010-05-07 |
WO2010050705A3 (en) | 2010-07-15 |
JP5727559B2 (ja) | 2015-06-03 |
US9680557B2 (en) | 2017-06-13 |
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