JP2009528710A - 無線通信システムにおける情報の効率的なレポーティング - Google Patents
無線通信システムにおける情報の効率的なレポーティング Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
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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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
Abstract
Description
本開示は、一般的に通信に関し、特に無線通信システムにおいて情報をレポートする技術に関する。
本願明細書では、無線通信システムにおいて効率的にレポートを送信する技術が説明される。レポートは、チャネル品質、無線リソースへのリクエスト、使用可能な送信電力、干渉、バックログ情報、セクタ情報などのような様々なタイプの情報を伝えればよい。
本願明細書で使用される「例として」という言葉は、「例、実例、または例証として機能する」ことを意味している。本願明細書に「例として」と記載された、あらゆる実施形態またはデザインは、必ずしも他の実施形態またはデザインにおいて好ましい、または利点があると解釈されるとは限らない。
ここでGは、基地局から端末への無線チャネルの経路利得を示す。式(1)における量は、線形単位で与えられる。
ここで、wtULDCCHTxPowerは、UL.DCCHのトーン毎の送信電力であり、
wtPowerMaxは、端末の最大送信電力であり、
wtULDCCHBackOffは、DCCHバックオフである。
ここで、Kは、ビーコンのトーン毎の送信電力とパイロット・チャネルの送信電力との比率であり、Z0はサービング基地局においてトーンがどのように使用されるかによって決まる、換算係数(scaling factor)である。
基準BNR=b0/max{G1・b1・G2・b2,・・・} 式(6)
ここでb0は、サービング基地局によってブロードキャストされるアップリンク負荷率であり、
biは、隣接する基地局iによるアップリンク負荷率である。
特定のビーコン率レポートは、端末がサービング基地局へ送信しようとする場合、特別な基地局kへ干渉損失を与える。
Claims (49)
- 複数のレポーティング期間に対して、一組のレポートを生成し、レポーティング・フォーマットに従って、各レポーティング期間の前記一組のレポートを配列し、前記複数のレポーティング期間に複数組のレポートを繰り返し送信するよう構成されている少なくとも1つのプロセッサと、前記少なくとも1つのプロセッサに接続されたメモリと、を備える装置。
- 前記レポーティング・フォーマットは、制御チャネル・フレームの特定の位置において送信されるレポートの特定のシーケンスを示す、請求項1に記載の装置。
- 前記制御チャネル・フレームは、多数の制御チャネル・セグメントを備え、前記レポーティング・フォーマットは、前記多数の制御チャネル・セグメントの各々において、少なくとも1つのレポートを含む、請求項に記載の装置。
- 前記レポーティング・フォーマットは、多数のタイプのレポートを含む、請求項1に記載の装置。
- 前記多数のタイプのレポートは、SN比(SNR)、アップリンク・リクエスト、使用可能な送信電力、干渉、遅延情報、またはそれらの組み合わせ用である、請求項4に記載の装置。
- 前記レポーティング・フォーマットは、前記多数のタイプの各々について少なくとも1つのレポートを含み、各タイプのレポートの数は、そのタイプのレポートの重要性に基づいて決定される、請求項4に記載の装置。
- SNRおよびアップリンク・リクエスト用のレポートは、他のタイプのレポートよりも頻繁に送信される、請求項5に記載の装置。
- 前記レポーティング・フォーマットは、制御チャネル・フレームの様々な位置に、特定のレポート・タイプの多数のレポートを含む、請求項1に記載の装置。
- 前記レポーティング・フォーマットは、少なくとも1つのタイプのレポートについて様々なサイズのレポートを含む、請求項1に記載の装置。
- 前記少なくとも1つのプロセッサは、特定のタイプに使用可能な多数のディクショナリの中から、前記特定のタイプのレポートに使用するディクショナリを決定し、前記ディクショナリに従って前記特定のタイプのレポートを生成するよう構成されている、請求項1に記載の装置。
- 前記ディクショナリは、前記特定のタイプの各レポート用のフォーマットを定義する、請求項10に記載の装置。
- 前記特定のタイプのレポートは、SN比(SNR)用であり、前記多数のディクショナリは、低移動度用の第1のディクショナリと、高移動度用の第2のディクショナリとを備える、請求項10に記載の装置。
- 前記特定のタイプのレポートは、アップリンク・リクエスト用であり、前記多数のディクショナリは、様々なサービス品質(QoS)トラヒック用である、請求項10に記載の装置。
- 前記少なくとも1つのプロセッサは、レポートの送信に使用される制御チャネルの割り当てを受信し、前記制御チャネルの前記割り当てに基づいて、前記レポーティング・フォーマットを決定するよう構成されている、請求項1に記載の装置。
- 前記少なくとも1つのプロセッサは、フル割り当てが前記制御チャネル用に受信された場合、第1のレポーティング・フォーマットを前記レポーティング・フォーマットとして使用し、部分割り当てが前記制御チャネル用に受信された場合、第2のレポーティング・フォーマットを前記レポーティング・フォーマットとして使用するように構成されている、請求項14に記載の装置。
- 前記第1のレポーティング・フォーマットは、1つのレポーティング期間において第1の数の制御チャネル・セグメントを含み、前記第2のレポーティング・フォーマットは、1つのレポーティング期間において第2の数の制御チャネル・セグメントを含む、請求項15に記載の装置。
- 前記第1のレポーティング・フォーマットは、各制御チャネル・セグメントにおいて第1の数の情報ビットを含み、前記第2のレポーティング・フォーマットは、各制御チャネル・セグメントにおいて第2の数の情報ビットを含む、請求項15に記載の装置。
- 前記少なくとも1つのプロセッサは、前記レポーティング・フォーマットに関連するスクランブリング・シーケンスを用いて、各レポーティング期間の前記一組のレポートをスクランブルするように構成されている、請求項1に記載の装置。
- 複数のレポーティング期間の各々に対して一組のレポートを生成することと、
レポーティング・フォーマットに従って、各レポーティング期間の前記一組のレポートを配列することと、
前記複数のレポーティング期間に複数組のレポートを繰り返し送信することと、
を備える方法。 - レポートの送信に使用される制御チャネルの割り当てを受信することと、
前記制御チャネルの前記割り当てに基づいて、前記レポーティング・フォーマットを決定することと、
をさらに備える、請求項19に記載の方法。 - 特定のタイプに使用可能な多数のディクショナリの中から、前記特定のタイプのレポートに使用するディクショナリを決定することと、
前記ディクショナリに従って前記特定のタイプのレポートを生成することと、
をさらに備える、請求項19に記載の方法。 - 複数のレポーティング期間に対して一組のレポートを生成する手段と、
レポーティング・フォーマットに従って、各レポーティング期間の前記一組のレポートを配列する手段と、
前記複数のレポーティング期間に複数組のレポートを繰り返し送信する手段と、
を備える装置。 - レポートの送信に使用される制御チャネルの割り当てを受信する手段と、
前記制御チャネルの前記割り当てに基づいて、前記レポーティング・フォーマットを決定する手段と、
をさらに備える、請求項22に記載の装置。 - 特定のタイプに使用可能な多数のディクショナリの中から、前記特定のタイプのレポートに使用するディクショナリを決定する手段と、
前記ディクショナリに従って前記特定のタイプのレポートを生成する手段と、
をさらに備える、請求項22に記載の装置。 - 格納された命令を含むコンピュータ可読媒体であって、
複数のレポーティング期間に対して一組のレポートを生成する第1の命令セットと、
レポーティング・フォーマットに従って、各レポーティング期間の前記一組のレポートを配列する第2の命令セットと、
前記複数のレポーティング期間に複数組のレポートを繰り返し送信するよう指令する第3の命令セットと、
を備える、コンピュータ可読媒体。 - 第1のレポーティング・フォーマットに従ってレポートを送信し、第2のレポーティング・フォーマットを使用する指示を取得し、前記第2のレポーティング・フォーマットに従ってレポートを送信するよう構成されている少なくとも1つのプロセッサと、
前記少なくとも1つのプロセッサに接続されたメモリと、
を備える端末。 - 前記第1および第2のレポーティング・フォーマットはそれぞれ、制御チャネル・フレームの特定の位置において送信されるレポートの特定のシーケンスを示す、請求項26に記載の端末。
- 前記少なくとも1つのプロセッサは、前記第2のレポーティング・フォーマットを使用する前記指示とともにシグナリングを受信するよう構成されている、請求項26に記載の端末。
- 前記少なくとも1つのプロセッサは、動作状態の変化を検出し、前記動作状態の検出された変化に基づいて前記第2のレポーティング・フォーマットを選択し、前記第2のレポーティング・フォーマットを使用する前記指示を生成するよう構成されている、請求項26に記載の端末。
- 前記動作状態は、前記端末の環境、前記端末の性能、前記端末用のトラヒックのサービス品質(QoS)、またはそれらの組み合わせによって特徴付けられる、請求項29に記載の端末。
- 前記少なくとも1つのプロセッサは、前記端末の移動度の変化を検出し、前記端末の前記移動度の前記検出された変化に基づいて前記第2のレポーティング・フォーマットを選択し、前記第2のレポーティング・フォーマットを使用する前記指示を生成するよう構成されている、請求項26に記載の端末。
- 前記少なくとも1つのプロセッサは、前記端末用のトラヒックのサービス品質(QoS)の変化を検出し、QoSの前記検出された変化に基づいて前記第2のレポーティング・フォーマットを選択し、前記第2のレポーティング・フォーマットを使用する前記指示を生成するよう構成されている、請求項26に記載の端末。
- 前記第1のレポーティング・フォーマットは、デフォルトのレポーティング・フォーマットである、請求項26に記載の端末。
- 前記第1および第2のレポーティング・フォーマットはそれぞれ、現在のレポーティング期間のレポーティング・フォーマット・タイプを示すフィールドを備える、請求項26に記載の端末。
- 前記第1および第2のレポーティング・フォーマットはそれぞれ、次のレポーティング期間のレポーティング・フォーマット・タイプを示すフィールドを備える、請求項26に記載の端末。
- 前記少なくとも1つのプロセッサは、前記第1のレポーティング・フォーマットから前記第2のレポーティング・フォーマットへ変更するために、基地局とシグナリングを交換するよう構成されている、請求項26に記載の端末。
- 前記第1および第2のレポーティング・フォーマットは、特定のレポート・タイプ用の第1および第2のディクショナリにそれぞれ関連付けられ、各ディクショナリは、前記特定のタイプの各レポート用のフォーマットを定義する、請求項26に記載の端末。
- 前記少なくとも1つのプロセッサは、レポート用の情報ビットを符号化して符号ビットを生成し、前記レポート用の前記情報ビットまたは前記符号ビットをスクランブルするよう構成されている、請求項26に記載の端末。
- 前記少なくとも1つのプロセッサは、前記第1および第2のレポーティング・フォーマットに従って送信された前記レポートの選択されたものをスクランブルするよう構成される、請求項26に記載の端末。
- 前記少なくとも1つのプロセッサは、前記第1のレポーティング・フォーマットに従って送信されるレポートに対して第1のスクランブリング・シーケンスを使用し、前記第2のレポーティング・フォーマットに従って送信されるレポートに対して第2のスクランブリング・シーケンスを使用するよう構成されている、請求項26に記載の端末。
- 第1のレポーティング・フォーマットに従ってレポートを送信することと、
第2のレポーティング・フォーマットを使用する指示を取得することと、
前記第2のレポーティング・フォーマットに従ってレポートを送信することと、
を備える方法。 - 動作状態の変化を検出することと、
前記動作状態の前記検出された変化に基づいて、前記第2のレポーティング・フォーマットを選択することと、
をさらに備える、請求項41に記載の方法。 - 端末の移動度の変化を検出することと、
前記端末の前記移動度の前記検出された変化に基づいて、前記第2のレポーティング・フォーマットを選択することと、
をさらに備える、請求項41に記載の方法。 - 端末用のトラヒックのサービス品質(QoS)の変化を検出することと、
QoSの前記検出された変化に基づいて、前記第2のレポーティング・フォーマットを選択することと、
をさらに備える、請求項41に記載の方法。 - 第1のレポーティング・フォーマットに従ってレポートを送信する手段と、
第2のレポーティング・フォーマットを使用する指示を取得する手段と、
前記第2のレポーティング・フォーマットに従ってレポートを送信する手段と、
を備える装置。 - 動作状態の変化を検出する手段と、
前記動作状態の前記検出された変化に基づいて、前記第2のレポーティング・フォーマットを選択する手段と、
をさらに備える、請求項45に記載の装置。 - 端末の移動度の変化を検出する手段と、
前記端末の前記移動度の前記検出された変化に基づいて、前記第2のレポーティング・フォーマットを選択する手段と、
をさらに備える、請求項45に記載の装置。 - 端末用のトラヒックのサービス品質(QoS)の変化を検出する手段と、
前記QoSの前記検出された変化に基づいて、前記第2のレポーティング・フォーマットを選択する手段と、
をさらに備える、請求項45に記載の装置。 - 格納された命令を含むコンピュータ可読媒体であって、
第1のレポーティング・フォーマットに従ってレポートを生成する第1の命令セットと、
第2のレポートティング・フォーマットを使用する指示を取得するための第2の命令セットと、
前記第2のレポートティング・フォーマットに従ってレポートを生成する第3の命令セットと、
を備える、コンピュータ可読媒体。
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WO2012042647A1 (ja) * | 2010-09-30 | 2012-04-05 | 富士通株式会社 | 通信システム、無線通信装置、状態情報受信装置、無線通信プログラム、および状態情報受信プログラム |
JP2012521130A (ja) * | 2009-03-20 | 2012-09-10 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | オーバーヘッドを軽減したネットワーク−リレー間インタフェースのためのシグナリング機構 |
WO2018109887A1 (ja) * | 2016-12-14 | 2018-06-21 | 富士通株式会社 | 無線通信装置、無線通信システムおよび無線通信方法 |
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WO2007075744A2 (en) | 2007-07-05 |
EP1964418B1 (en) | 2015-06-10 |
PL1964418T3 (pl) | 2015-10-30 |
EP2209337B1 (en) | 2015-01-14 |
EP2194742A1 (en) | 2010-06-09 |
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WO2007075744A3 (en) | 2008-08-07 |
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JP5107935B2 (ja) | 2012-12-26 |
EP2209337A1 (en) | 2010-07-21 |
EP1964418A2 (en) | 2008-09-03 |
US20070168326A1 (en) | 2007-07-19 |
EP2209336A1 (en) | 2010-07-21 |
CN102612074A (zh) | 2012-07-25 |
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PL2858408T3 (pl) | 2019-10-31 |
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US9661519B2 (en) | 2017-05-23 |
CN102612074B (zh) | 2016-04-27 |
KR101060535B1 (ko) | 2011-08-30 |
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