JP2014140242A - 無線通信方法、移動局及び基地局 - Google Patents
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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
- H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
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- 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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- H04J11/0023—Interference mitigation or co-ordination
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- 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
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
【解決手段】移動局は、第1のキャリアでダウンリンク制御構造情報を受信し、ダウンリンク制御構造情報は、移動局の制御情報が別の第2のキャリアにあることを示す。移動局は、第2のキャリアにおける制御情報をデコードし、制御情報は移動局の無線リンクにおけるリソースの割り当て方を指定している。より具体的には、一実施例において、第1のキャリアの制御チャネルは第2のキャリアにおける拡張された制御チャネルのリソース割り当てを示し、拡張された制御チャネルは移動局の無線リンクにおけるトラフィックデータのためのリソース割り当てを示す。
【選択図】図2
Description
移動局が第1のキャリアでダウンリンク制御構造情報を受信するステップであって、前記ダウンリンク制御構造情報は、前記移動局の制御情報が別の第2のキャリアにあることを示す、ステップと、
前記移動局が前記第2のキャリアにおける前記制御情報をデコードするステップと
を有し、前記制御情報は前記移動局の無線リンクにおけるリソースの割り当て方を指定している、無線通信方法である。
{キャリア#1,E−PDCCH領域におけるE−PDCCHの場所及びサイズ;
キャリア#2,E−PDCCH領域におけるE−PDCCHの場所及びサイズ;
・・・
キャリア#M,E−PDCCH領域におけるE−PDCCHの場所及びサイズ}
ここで、Mはシステムにより使用可能な(サポートされる)キャリア数、又は基地局によりサポート/使用されるキャリア数である。このオプションの場合、コンポーネントキャリア毎に個別のE−PDCCHが提供され、E−PDCCHの各々が対応する各自のキャリアにおけるリソースの割り当て方を指定するようにする。
{キャリアID,E−PDCCH領域におけるE−PDCCHの場所及びサイズ}。
Claims (20)
- 移動局が第1のキャリアでダウンリンク制御構造情報を受信するステップであって、前記ダウンリンク制御構造情報は、前記移動局の制御情報が別の第2のキャリアにあることを示す、ステップと、
前記移動局が前記第2のキャリアにおける前記制御情報をデコードするステップと
を有し、前記制御情報は前記移動局の無線リンクにおけるリソースの割り当て方を指定している、無線通信方法。 - 前記制御情報が、前記第2のキャリアにおける拡張された物理ダウンリンク制御チャネル(E−PDCCH)におけるものであり、前記制御情報をデコードする際、前記拡張されたPDCCHにおける前記制御情報をデコードする、請求項1記載の無線通信方法。
- 前記移動局が前記第1のキャリアでレガシーPDCCH領域を監視するステップをさらに含み、前記ダウンリンク制御構造情報は前記第1のキャリアの前記レガシーPDCCH領域におけるものである、請求項2記載の無線通信方法。
- 前記移動局が、前記ダウンリンク制御構造情報に基づいて、前記第2のキャリアにおける前記制御情報の場所及びサイズを判定する、請求項1記載の無線通信方法。
- 前記ダウンリンク制御構造情報を受信する前記ステップにおいて、複数のキャリアにおけるリソース割当の制御情報の場所を示す前記ダウンリンク制御情報を受信する、請求項1記載の無線通信方法。
- 前記ダウンリンク制御構造情報を受信する前記ステップにおいて、前記第2のキャリアの識別子を指定することで、前記第2のキャリアのみを指定する前記ダウンリンク制御情報を受信する、請求項1記載の無線通信方法。
- 前記ダウンリンク制御構造情報を受信する前記ステップにおいて、ダウンリンク制御チャネルからキャリアポインタメッセージを受信する、請求項1記載の無線通信方法。
- 前記ダウンリンク制御構造情報を受信する前記ステップにおいて、エボルブドユニバーサル地上無線アクセス(EUTRA)アドバンストマルチキャリア処理能力を備えた移動局のグループに対する特定の無線ネットワークテンポラリ識別子(RNTI)を用いてスクランブルされている前記ダウンリンク制御構造情報を受信する、請求項1記載の無線通信方法。
- 前記制御情報がリソースブロックを用いて通知されるダウンリンク制御チャネルの一部であり、前記リソースブロックは、複数の移動局に対応する通知に使用されるリソースエレメントグループ又は制御チャネルエレメントに分割されている、請求項1記載の無線通信方法。
- 前記ダウンリンク制御構造情報を受信する前記ステップにおいて、エボルブドユニバーサル地上無線アクセス(EUTRA)制御チャネルにおける前記ダウンリンク制御構造情報を受信する、請求項1記載の無線通信方法。
- 基地局と無線通信するためのインタフェースと、
プロセッサと
を有する移動局であって、前記プロセッサにより、
第1のキャリアにおいて、前記移動局の制御情報が別の第2のキャリアにあることを示すダウンリンク制御構造情報を受信する処理、及び
前記第2のキャリアにおける前記制御情報をデコードする処理
を実行し、前記制御情報は前記移動局の無線リンクにおけるリソースの割り当て方を指定している、移動局。 - 前記制御情報が、変調及び符号化方式(MCS)、ハイブリッド自動再送要求(HARQ)プロセスの情報、冗長形式(RV)の情報及び電力制御情報のうちの1つ以上の情報を示す、請求項11記載の移動局。
- 前記ダウンリンク制御構造情報が前記第1のキャリアのレガシー物理ダウンリンク制御チャネル(レガシーPDCCH)領域におけるものであり、前記制御情報が前記第2のキャリアにおける拡張されたPDCCH領域におけるものである、請求項11記載の移動局。
- 前記ダウンリンク制御構造情報が前記第1のキャリア以外の複数のキャリアにおける制御情報を指定し、前記複数のキャリア及び前記第1のキャリアは、広い帯域幅をもたらすようにするキャリアアグリゲーションの対象である、請求項11記載の移動局。
- 前記ダウンリンク制御構造情報が前記第2のキャリアのみの制御情報を指定し、前記制御情報は、広い帯域幅をもたらすようにするキャリアアグリゲーションの対象である複数のキャリアに対するリソースの割り当て方を指定する、請求項11記載の移動局。
- 前記ダウンリンク制御構造情報が、前記制御情報の開始位置及びサイズを示す、請求項11記載の移動局。
- 前記ダウンリンク制御構造情報が、前記制御情報のサイズを示すが開始位置を示しておらず、前記プロセッサは、所定の周波数ホッピングパターンを用いて前記制御情報の前記開始位置を判定する、請求項11記載の移動局。
- 移動局と無線通信するためのインタフェースと、
プロセッサと
を有する基地局であって、前記プロセッサにより、
複数のキャリアのキャリアアグリゲーションにより前記移動局と無線通信を行う処理、
前記複数のキャリアのうちの第1のキャリアにより、該第1のキャリアとは異なる少なくとも第2のキャリアにおける制御情報を指定するダウンリンク制御構造情報を前記移動局に送信する処理、及び
前記第2のキャリアのダウンリンク制御チャネルにより、全k移動局がデコードする前記制御情報を送信する処理
を行う、基地局。 - 前記ダウンリンク制御構造情報が前記第1のキャリアのプライマリ物理ダウンリンク制御チャネル(プライマリPDCCH)におけるものであり、前記制御情報が前記第2のキャリアにおける拡張されたPDCCHにおけるものである、請求項18記載の基地局。
- 前記PDCCHがエボルブドユニバーサル地上無線アクセス(EUTRA)標準仕様にしたがうものである、請求項19記載の基地局。
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EP (3) | EP2353327B1 (ja) |
JP (3) | JP5518885B2 (ja) |
KR (3) | KR101667826B1 (ja) |
CN (2) | CN104936298B (ja) |
BR (1) | BRPI0921786B1 (ja) |
CA (1) | CA2742801C (ja) |
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