JP5956634B2 - 無線通信システムにおけるリレーノードのための探索空間設定方法及びそのための装置 - Google Patents
無線通信システムにおけるリレーノードのための探索空間設定方法及びそのための装置 Download PDFInfo
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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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
- 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
- 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
- H04B7/24—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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
- H04L1/0038—Blind format detection
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- 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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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Description
Claims (12)
- 無線通信システムにおいて、リレーノード内のリレー物理ダウンリンク制御チャネル(R−PDCCH)を基地局から受信する方法であって、
基地局(eNB)からリレーノード(RN)への送信のための無線リソースを設定するステップと、
前記基地局からリレーノードへの送信のための無線リソースを設定した場合、前記基地局から上位層シグナリングを介してリソースブロック(RB)割当と前記R−PDCCHのリソース割当タイプに関連するリソース割当情報を受信するステップと、
前記リソース割当情報に基づいて、前記R−PDCCHの潜在リソースを設定するステップであって、前記潜在リソースはシステム帯域幅に基づいた前記リソースブロック割当に依存するリソースブロックの個数を含む、ステップと、
前記潜在リソースを監視することによって、前記R−PDCCHを受信するステップと、を有する、方法。 - 前記の潜在リソースを監視ステップは、前記潜在リソース内の検索空間から前記R−PDCCHを検出するためにブラインド復号を実行するステップを含む、請求項1に記載の方法。
- 前記探索空間のサイズは、前記潜在リソースに等しいか、それより小さい、請求項2に記載の方法。
- 前記潜在リソースは、前記リソース割当情報に含まれるリソース割当ビットによって指示されるリソース割当単位に基づいて規定される、請求項1に記載の方法。
- 前記リソース割当ビットによって指示される前記リソース割当単位は、前記リソース割当情報のタイプに応じて決定される、請求項4に記載の方法。
- 前記リソース割当ビットによって指示される前記リソース割当単位は、リソースブロック(RB)又はリソースブロックグループ(RBG)である、請求項4に記載の方法。
- 無線通信システムにおけるリレーノードであって、
基地局(eNB)からリレーノード(RN)への送信のための無線リソースを設定し、リソース割当情報に基づくリレー物理ダウンリンク制御チャネル(R−PDCCH)のための潜在リソースを設定するためのプロセッサと、
前記基地局からリレーノードへの送信のための前記無線リソースが設定された場合、前記基地局から上位層シグナリングを介して潜在リレー物理ダウンリンク制御チャネル(R−PDCCH)送信のためのリソースブロック(RB)割当とリソース割当タイプに関連するリソース割当情報を受信する受信モジュールと、
前記リソース割当情報に基づいて、前記R−PDCCHの潜在リソースを設定するプロセッサと、を備え、
前記潜在リソースはシステム帯域幅に基づいた前記リソースブロック割当に依存するリソースブロックの個数を含み、
前記受信モジュールは、前記潜在リソースを監視することによって前記R−PDCCHを受信する、リレーノード。 - 前記プロセッサは、前記潜在リソース内の探索空間から前記R−PDCCHを検出するために、ブラインド復号を行うことによって前記潜在リソースを監視する、請求項7に記載のリレーノード。
- 前記探索空間のサイズは、前記潜在リソースに等しいか、それより小さい、請求項8に記載のリレーノード。
- 前記潜在リソースは、前記リソース割当情報に含まれるリソース割当ビットによって指示されるリソース割当単位に基づいて規定される、請求項7に記載のリレーノード。
- 前記リソース割当ビットによって指示される前記リソース割当単位は、前記リソース割当情報のタイプに応じて決定される、請求項10に記載のリレーノード。
- 前記リソース割当ビットによって指示される前記リソース割当単位は、リソースブロック(RB)又はリソースブロックグループ(RBG)である、請求項10に記載のリレーノード。
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US (1) | US20130016653A1 (ja) |
EP (1) | EP2560299A4 (ja) |
JP (3) | JP5770824B2 (ja) |
KR (1) | KR101792508B1 (ja) |
CN (1) | CN102844994B (ja) |
AU (1) | AU2011241357B2 (ja) |
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-
2011
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- 2011-03-31 JP JP2013501197A patent/JP5770824B2/ja active Active
- 2011-03-31 CA CA2792762A patent/CA2792762C/en active Active
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- 2011-03-31 KR KR1020127004532A patent/KR101792508B1/ko active IP Right Grant
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AU2011241357A1 (en) | 2012-11-01 |
KR101792508B1 (ko) | 2017-11-20 |
EP2560299A4 (en) | 2017-01-18 |
CN102844994B (zh) | 2017-01-18 |
JP5770824B2 (ja) | 2015-08-26 |
JP2013523040A (ja) | 2013-06-13 |
WO2011129537A2 (ko) | 2011-10-20 |
US20130016653A1 (en) | 2013-01-17 |
JP2016181930A (ja) | 2016-10-13 |
JP2015156678A (ja) | 2015-08-27 |
EP2560299A2 (en) | 2013-02-20 |
CA2792762C (en) | 2016-02-23 |
CN102844994A (zh) | 2012-12-26 |
KR20130061660A (ko) | 2013-06-11 |
CA2792762A1 (en) | 2011-10-20 |
WO2011129537A3 (ko) | 2012-01-19 |
AU2011241357B2 (en) | 2014-12-18 |
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