JP5905436B2 - 適応セクタ化のためのチャンネル品質報告 - Google Patents
適応セクタ化のためのチャンネル品質報告 Download PDFInfo
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Description
本特許出願は、本出願の譲受人に譲渡され、2005年4月19日に出願された、「無線通信システムにおける適応セクタ化のためのチャンネル品質報告(CHANNEL QUALITY REPORTING FOR ADAPTIVE SECTORIZATION IN WIRELESS COMMUNICATION SYSTEMS)」というタイトルの仮出願第60/672,575号と2005年8月22日に出願された仮出願第60/710,419号に基づいて優先権を主張するものであり、参照として本明細書に明示的に組み込まれる。
以下に本願発明の当初の特許請求の範囲に記載された発明を付記する。
[C1]
無線通信環境の性能を向上させる方法であって、
第1のパイロットを生成することと、
前記第1のパイロットを送信することと、
前記第1のパイロットに少なくとも部分的に基づいて少なくとも1つのチャンネル品質インジケータ(CQI)を受信することと、を備える方法。
[C2]
前記少なくとも1つのCQIに少なくとも部分的に基づいて少なくとも1つのユーザデバイスをスケジュールすることをさらに備える、C1に記載の方法。
[C3]
前記少なくとも1つのユーザデバイスをスケジュールするために空間分割多重化(SDM)、マルチプル入力マルチプル出力(MIMO)、及び日和見ビーム形成スケジューリング技術のうちの少なくとも1つを使用することをさらに備える、C2に記載の方法。
[C4]
前記少なくとも1つのCQIに基づいてユーザデバイスにビームを割り当てることをさらに備える、C1に記載の方法。
[C5]
前記CQIとして信号対干渉対雑音比(SINR)を使用することをさらに備える、C1に記載の方法。
[C6]
前記CQIとしてチャンネル上でサポート可能なレートを使用することをさらに備える、C1に記載の方法。
[C7]
前記第1のパイロットは第1のビーム上で送信され、さらに、
第2のパイロットを生成することと、
第2のビーム上で前記第2のパイロットを送信することと、
前記第2のパイロットに少なくとも部分的に基づいて第2のCQIを受信することと、を備える、C1に記載の方法。
[C8]
前記第1のパイロットは、複数のビームを含むエリアにわたって送信される、C1に記載の方法。
[C9]
前記少なくとも1つのCQIは、1組のビーム重みに少なくとも部分的に基づく、C8に記載の方法。
[C10]
前記1組のビーム重みを使用することをさらに備える、C9に記載の方法。
[C11]
前記少なくとも1つのCQIは、フレーム毎に受信される、C1に記載の方法。
[C12]
前記少なくとも1つのCQIは、空間分割多重化(SDM)、マルチプル入力マルチプル出力(MIMO)、及び日和見ビーム形成スケジューリングのうちの少なくとも1つに基づいて受信される、C1に記載の方法。
[C13]
制御チャンネルCQIを受信することをさらに備える、C1に記載の方法。
[C14]
前記第1のパイロットはアンテナで送信される、C13に記載の方法。
[C15]
前記少なくとも1つのCQIに少なくとも部分的に基づいてビームを修正することをさらに備える、C1に記載の方法。
[C16]
無線通信環境の性能を向上させる方法であって、
パイロットを受信することと、
前記パイロットに少なくとも部分的に基づいてCQIを決定することと、
前記CQIを基地局へ送信することと、を備える方法。
[C17]
前記パイロットと1組のビーム重みとに基づいてチャンネルを推定することをさらに備え、前記チャンネル推定は前記CQIの決定に使用される、C16に記載の方法。
[C18]
無線通信装置であって、
第1のパイロットを生成し、前記第1のパイロットを送信し、前記第1のパイロットに少なくとも部分的に基づいて少なくとも1つのCQIを受信するように構成されたプロセッサと、
前記プロセッサと結合されたメモリと、を備える無線装置。
[C19]
前記プロセッサは、前記少なくとも1つのCQIに少なくとも部分的に基づいて少なくとも1つのユーザデバイスをスケジュールする、C18に記載の無線装置。
[C20]
前記プロセッサは、前記少なくとも1つのユーザデバイスをスケジュールするために空間分割多重化(SDM)、マルチプル入力マルチプル出力(MIMO)、及び日和見ビーム形成スケジューリング技術のうちの少なくとも1つを使用する、C19に記載の無線装置。
[C21]
前記プロセッサは、前記少なくとも1つのCQIに基づいてユーザデバイスをビームに割り当てる、C18に記載の無線装置。
[C22]
前記CQIは、信号対干渉・雑音比(SINR)とチャンネル上でサポート可能なもののうちの少なくとも一つである、C18に記載の無線装置。
[C23]
前記プロセッサは、第2のパイロットを生成し、前記第2のパイロットを送信し、前記第2のパイロットに少なくとも部分的に基づいて第2のCQIを受信するように構成されている、C18に記載の無線装置。
[C24]
前記プロセッサは、複数のビームを含むエリアにわたって前記第1のパイロットを送信する、C18に記載の無線装置。
[C25]
前記少なくとも1つのCQIは、前記メモリ中に格納された1組のビーム重みに少なくとも部分的に基づく、C24に記載の無線装置。
[C26]
前記プロセッサは、前記1組のビーム重みを使用する、C25に記載の無線装置。
[C27]
前記プロセッサは、前記少なくとも1つのCQIをフレーム毎に受信する、C18に記載の無線装置。
[C28]
前記プロセッサは、空間分割多重化(SDM)、マルチプル入力マルチプル出力(MIMO)、及び日和見ビーム形成スケジューリングのうちの少なくとも1つに基づいて前記少なくとも1つのCQIを受信する、C18に記載の無線装置。
[C29]
前記プロセッサは、制御チャンネルCQIを受信する、C18に記載の無線装置。
[C30]
前記プロセッサは、アンテナを通じて前記第1のパイロットを送信する、C29に記載の無線装置。
[C31]
パイロットを受信し、前記パイロットに少なくとも部分的に基づいて少なくとも1つのCQIを決定し、前記CQIを基地局へ送信するように構成されたプロセッサと、
前記プロセッサと結合されたメモリと、を備える、無線通信装置。
[C32]
前記プロセッサは、前記パイロットと1組のビーム重みとに基づいてチャンネルを推定し、前記チャンネル推定は前記CQIの決定に使用される、C31に記載の無線通信装置。
[C33]
無線通信環境の性能を向上させる無線通信装置であって、
第1のパイロットを生成するための手段と、
前記第1のパイロットを送信するための手段と、
前記第1のパイロットに少なくとも部分的に基づいて少なくとも1つのチャンネル品質インジケータ(CQI)を受信するための手段と、を備える装置。
[C34]
前記少なくとも1つのCQIに少なくとも部分的に基づいて少なくとも1つのユーザデバイスをスケジュールするための手段をさらに備える、C33に記載の装置。
[C35]
第2のパイロットを生成するための手段と、
第2のビーム上で前記第2のパイロットを送信するための手段と、
前記第2のパイロットに少なくとも部分的に基づいて第2のCQIを受信するための手段と、をさらに備える装置。
[C36]
制御チャンネルCQIを受信するための手段をさらに備える、C33に記載の装置。
[C37]
1組のビーム重みを使用するための手段をさらに備え、前記少なくとも1つのCQIは前記1組のビーム重みに少なくとも部分的に基づく、C33に記載の装置。
[C38]
前記少なくとも1つのCQIに少なくとも部分的に基づいてビームを修正するための手段をさらに備える、C33に記載の装置。
[C39]
無線通信環境の性能を向上させる無線通信装置であって、
パイロットを受信するための手段と、
前記パイロットに少なくとも部分的に基づいてCQIを決定するための手段と、
前記CQIを基地局へ送信するための手段と、を備える装置。
[C40]
前記パイロットと1組のビーム重みとに基づいてチャンネルを推定するための手段をさらに備え、前記チャンネル推定は前記CQIの決定に使用される、C39に記載の装置。
[C41]
第1のパイロットを生成することと、
前記第1のパイロットを送信することと、
前記第1のパイロットに少なくとも部分的には基づく少なくとも1つのチャンネル品質インジケータ(CQI)を受信することと、を行うコンピュータ実行可能命令を格納したコンピュータ可読媒体。
[C42]
前記少なくとも1つのCQIに少なくとも部分的に基づいて少なくとも1つのユーザデバイスをスケジュールする命令をさらに備える、C41に記載のコンピュータ可読媒体。
[C43]
前記少なくとも1つのCQIに基づいてユーザデバイスをビームに割り当てる命令をさらに備える、C41に記載のコンピュータ可読媒体。
[C44]
第2のパイロットを生成することと、
第2のビーム上で前記第2のパイロットを送信することと、
前記第2のパイロットに少なくとも部分的に基づいて第2のCQIを受信することと、を行う命令をさらに備える、C41に記載のコンピュータ可読媒体。
[C45]
パイロットを受信することと、
前記パイロットに少なくとも部分的に基づいてCQIを決定することと、
前記CQIを基地局へ送信することと、を行うコンピュータ実行可能命令を格納したコンピュータ可読媒体。
[C46]
無線通信環境の性能を向上させるための命令を実行するプロセッサであって、前記命令は、
第1のパイロットを生成することと、
前記第1のパイロットを送信することと、
前記第1のパイロットに少なくとも部分的には基づいて少なくとも1つのチャンネル品質インジケータ(CQI)を受信することと、を備える、プロセッサ。
[C47]
前記少なくとも1つのCQIに少なくとも部分的に基づいて少なくとも1つのユーザデバイスをスケジュールすることをさらに備える、C46に記載のプロセッサ。
[C48]
第2のパイロットを生成することと、
第2のビーム上で前記第2のパイロットを送信することと、
前記第2のパイロットに少なくとも部分的に基づいて第2のCQIを受信することと、をさらに備える、C46に記載のプロセッサ。
[C49]
無線ネットワークによる通信を容易にするモバイルデバイスであって、
第1のパイロットを生成するコンポーネントと、
前記第1のパイロットを送信するコンポーネントと、
前記第1のパイロットに少なくとも部分的に基づいてCQIを受信するコンポーネントと、
前記少なくとも1つのCQIに少なくとも部分的に基づいて少なくとも1つのユーザデバイスをスケジュールするコンポーネントと、を備えるモバイルデバイス。
[C50]
前記デバイスは、セルラー電話、スマートフォン、ハンドヘルド通信デバイス、ハンドヘルド演算デバイス、衛星無線機、全世界測位システム、ラップトップ、及びPDAのうちの少なくとも1つである、C49に記載のモバイルデバイス。
[C51]
無線ネットワークによる通信を容易にするモバイルデバイスであって、
パイロットを受信するコンポーネントと、
前記パイロットに少なくとも部分的に基づいてCQIを決定するコンポーネントと、
前記CQIを基地局へ送信するコンポーネントと、を備えるモバイルデバイス。
[C52]
前記デバイスは、セルラー電話、スマートフォン、ハンドヘルド通信デバイス、ハンドヘルド演算デバイス、衛星無線機、全世界測位システム、ラップトップ、及びPDAのうちの少なくとも1つである、C51に記載のモバイルデバイス。
Claims (19)
- 複数のビーム形成送信を使用して無線通信環境の性能を向上させる方法であって、ここにおいて、前記ビーム形成のためのスケジューリング技術は、日和見ビーム形成スケジューリング技術、マルチプル入力マルチプル出力(MIMO)及び空間分割多重化(SDM)のいずれかによる、
第1のパイロットを生成することと、
前記第1のパイロットを前記スケジューリング技術のいずれかにより送信することと、
前記第1のパイロットに少なくとも部分的に基づいて第1のチャンネル品質インジケータ(CQI)を受信することと、
前記第1のCQIに基づいて、第1のユーザデバイスを固定された所定のビームパターンの第1のビームに割り当てることと、
前記第1のCQIに少なくとも部分的に基づいて前記第1のユーザデバイスをスケジュールすることと、
ここにおいて、前記第1のユーザデバイスを前記スケジュールすることは、前記第1のユーザデバイスをスケジュールするための前記日和見ビーム形成スケジューリング技術、前記マルチプル入力マルチプル出力(MIMO)及び前記空間分割多重化(SDM)を含む複数のスケジューリング技術から選択される、
第2のパイロットを生成することと、
前記第2のパイロットを前記スケジューリング技術のいずれかにより送信することと、
前記第2のパイロットに少なくとも部分的に基づいて第2のチャンネル品質インジケータ(CQI)を受信することと、
前記第2のCQIに基づいて、第2のユーザデバイスを前記固定された所定のビームパターンの第2のビームに割り当てることと、
前記第1のユーザデバイスのためにスケジュールされるものとは異なるスケジューリング技術で前記第2のCQIに少なくとも部分的に基づいて前記第2のユーザデバイスをスケジュールすることと
を備える方法。 - 前記第1のCQIまたは前記第2のCQIのうちの少なくとも1つとして信号対干渉対雑音比(SINR)を使用することをさらに備える、請求項1に記載の方法。
- 前記第1のCQIまたは前記第2のCQIのうちの少なくとも1つとして前記チャンネル上でサポート可能なレートを使用することをさらに備える、請求項1に記載の方法。
- 前記第1のCQIまたは前記第2のCQIのうちの少なくとも1つは、フレーム毎に受信される、請求項1に記載の方法。
- 制御チャンネルCQIを受信することをさらに備える、請求項1に記載の方法。
- 前記第1のパイロットはアンテナで送信される、請求項5に記載の方法。
- 前記第1のCQIまたは前記第2のCQIのうちの少なくとも1つに少なくとも部分的に基づいてビームを修正することをさらに備える、請求項1に記載の方法。
- 複数のビーム形成送信を使用する無線通信装置であって、ここにおいて、前記ビーム形成のためのスケジューリング技術は、日和見ビーム形成スケジューリング技術、マルチプル入力マルチプル出力(MIMO)及び空間分割多重化(SDM)のいずれかによる、
第1のパイロットを生成し、
前記第1のパイロットを前記スケジューリング技術のいずれかにより送信し、
前記第1のパイロットに少なくとも部分的に基づいて第1のチャンネル品質インジケータ(CQI)を受信し、
前記第1のCQIに基づいて、第1のユーザデバイスを固定された所定のビームパターンの第1のビームに割り当て、
前記第1のCQIに少なくとも部分的に基づいて前記第1のユーザデバイスをスケジュールし、
ここにおいて、前記第1のユーザデバイスを前記スケジュールすることは、前記第1のユーザデバイスをスケジュールするための前記日和見ビーム形成スケジューリング技術、前記マルチプル入力マルチプル出力(MIMO)及び前記空間分割多重化(SDM)を含む複数のスケジューリング技術から選択される、
第2のパイロットを生成し、
前記第2のパイロットを前記スケジューリング技術のいずれかにより送信し、
前記第2のパイロットに少なくとも部分的に基づいて第2のチャンネル品質インジケータ(CQI)を受信し、
前記第2のCQIに基づいて、第2のユーザデバイスを前記固定された所定のビームパターンの第2のビームに割り当て、
前記第1のユーザデバイスのためにスケジュールされるものとは異なるスケジューリング技術で前記第2のCQIに少なくとも部分的に基づいて前記第2のユーザデバイスをスケジュールする、
ように構成されたプロセッサと、
前記プロセッサと結合されたメモリと、
を備える無線装置。 - 前記第1のCQIまたは前記第2のCQIのうちの少なくとも1つは、信号対干渉対雑音比(SINR)または前記チャンネル上でサポート可能なレートのうちの少なくとも1つである、請求項8に記載の無線装置。
- 前記プロセッサは、前記第1のCQIまたは前記第2のCQIのうちの少なくとも1つをフレーム毎に受信する、請求項8に記載の無線装置。
- 前記プロセッサは、制御チャンネルCQIを受信する、請求項8に記載の無線装置。
- 前記プロセッサは、アンテナを通じて前記第1のパイロットを送信する、請求項11に記載の無線装置。
- 複数のビーム形成送信を使用して無線通信環境の性能を向上させる無線通信装置であって、ここにおいて、前記ビーム形成のためのスケジューリング技術は、日和見ビーム形成スケジューリング技術、マルチプル入力マルチプル出力(MIMO)及び空間分割多重化(SDM)のいずれかによる、
第1のパイロットを生成するための手段と、
前記第1のパイロットを前記スケジューリング技術のいずれかにより送信するための手段と、
前記第1のパイロットに少なくとも部分的に基づいて第1のチャンネル品質インジケータ(CQI)を受信するための手段と、
前記第1のCQIに基づいて、第1のユーザデバイスを固定された所定のビームパターンの第1のビームに割り当てるための手段と、
前記第1のCQIに少なくとも部分的に基づいて前記第1のユーザデバイスをスケジュールするための手段と、
ここにおいて、前記第1のユーザデバイスを前記スケジュールすることは、前記第1のユーザデバイスをスケジュールするための前記日和見ビーム形成スケジューリング技術、前記マルチプル入力マルチプル出力(MIMO)及び前記空間分割多重化(SDM)を含む複数のスケジューリング技術から選択される、
第2のパイロットを生成するための手段と、
前記第2のパイロットを前記スケジューリング技術のいずれかにより送信するための手段と、
前記第2のパイロットに少なくとも部分的に基づいて第2のチャンネル品質インジケータ(CQI)を受信するための手段と、
前記第2のCQIに基づいて、第2のユーザデバイスを前記固定された所定のビームパターンの第2のビームに割り当てるための手段と、
前記第1のユーザデバイスのためにスケジュールされるものとは異なるスケジューリング技術で前記第2のCQIに少なくとも部分的に基づいて前記第2のユーザデバイスをスケジュールするための手段と、
を備える無線装置。 - 制御チャンネルCQIを受信するための手段をさらに備える、請求項13に記載の無線装置。
- 前記第1のCQIまたは前記第2のCQIのうちの少なくとも1つに少なくとも部分的に基づいてビームを修正するための手段をさらに備える、請求項13に記載の無線装置。
- 複数のビーム形成送信を使用して無線通信環境の性能を向上させるためのコンピュータ実行可能命令を格納したコンピュータ読み取り可能な記憶媒体であって、ここにおいて、前記ビーム形成のためのスケジューリング技術は、日和見ビーム形成スケジューリング技術、マルチプル入力マルチプル出力(MIMO)及び空間分割多重化(SDM)のいずれかにより、前記命令は、
第1のパイロットを生成することと、
前記第1のパイロットを前記スケジューリング技術のいずれかにより送信することと、
前記第1のパイロットに少なくとも部分的に基づいて第1のチャンネル品質インジケータ(CQI)を受信することと、
前記第1のCQIに基づいて、第1のユーザデバイスを固定された所定のビームパターンの第1のビームに割り当てることと、
前記第1のCQIに少なくとも部分的に基づいて前記第1のユーザデバイスをスケジュールすることと、
ここにおいて、前記第1のユーザデバイスを前記スケジュールすることは、前記第1のユーザデバイスをスケジュールするための前記日和見ビーム形成スケジューリング技術、前記マルチプル入力マルチプル出力(MIMO)及び前記空間分割多重化(SDM)を含む複数のスケジューリング技術から選択される、
第2のパイロットを生成することと、
前記第2のパイロットを前記スケジューリング技術のいずれかにより送信することと、
前記第2のパイロットに少なくとも部分的に基づいて第2のチャンネル品質インジケータ(CQI)を受信することと、
前記第2のCQIに基づいて、第2のユーザデバイスを前記固定された所定のビームパターンの第2のビームに割り当てることと、
前記第1のユーザデバイスのためにスケジュールされるものとは異なるスケジューリング技術で前記第2のCQIに少なくとも部分的に基づいて前記第2のユーザデバイスをスケジュールすることと、
を備える、コンピュータ読み取り可能な記憶媒体。 - 複数のビーム形成送信を使用して無線通信環境の性能を向上させるための命令を実行するプロセッサであって、ここにおいて、前記ビーム形成のためのスケジューリング技術は、日和見ビーム形成スケジューリング技術、マルチプル入力マルチプル出力(MIMO)及び空間分割多重化(SDM)のいずれかにより、前記命令は、
第1のパイロットを生成することと、
前記第1のパイロットを前記スケジューリング技術のいずれかにより送信することと、
前記第1のパイロットに少なくとも部分的に基づいて第1のチャンネル品質インジケータ(CQI)を受信することと、
前記第1のCQIに基づいて、第1のユーザデバイスを固定された所定のビームパターンの第1のビームに割り当てることと、
前記第1のCQIに少なくとも部分的に基づいて前記第1のユーザデバイスをスケジュールすることと、
ここにおいて、前記第1のユーザデバイスを前記スケジュールすることは、前記第1のユーザデバイスをスケジュールするための前記日和見ビーム形成スケジューリング技術、前記マルチプル入力マルチプル出力(MIMO)及び前記空間分割多重化(SDM)を含む複数のスケジューリング技術から選択される、
第2のパイロットを生成することと、
前記第2のパイロットを前記スケジューリング技術のいずれかにより送信することと、
前記第2のパイロットに少なくとも部分的に基づいて第2のチャンネル品質インジケータ(CQI)を受信することと、
前記第2のCQIに基づいて、第2のユーザデバイスを前記固定された所定のビームパターンの第2のビームに割り当てることと、
前記第1のユーザデバイスのためにスケジュールされるものとは異なるスケジューリング技術で前記第2のCQIに少なくとも部分的に基づいて前記第2のユーザデバイスをスケジュールすることと、
を備える、プロセッサ。 - 無線ネットワーク上で複数のビーム形成送信を使用して通信を容易にするモバイルデバイスであって、ここにおいて、前記ビーム形成のためのスケジューリング技術は、日和見ビーム形成スケジューリング技術、マルチプル入力マルチプル出力(MIMO)及び空間分割多重化(SDM)のいずれかにより、
第1のパイロットを生成するコンポーネントと、
前記第1のパイロットを前記スケジューリング技術のいずれかにより送信するコンポーネントと、
前記第1のパイロットに少なくとも部分的に基づいて第1のチャンネル品質インジケータ(CQI)を受信するコンポーネントと、
前記第1のCQIに基づいて、第1のユーザデバイスを固定された所定のビームパターンの第1のビームに割り当てるコンポーネントと、
前記第1のCQIに少なくとも部分的に基づいて前記第1のユーザデバイスをスケジュールするコンポーネントと、
ここにおいて、前記第1のユーザデバイスを前記スケジュールすることは、前記第1のユーザデバイスをスケジュールするための前記日和見ビーム形成スケジューリング技術、前記マルチプル入力マルチプル出力(MIMO)及び前記空間分割多重化(SDM)を含む複数のスケジューリング技術から選択される、
第2のパイロットを生成するコンポーネントと、
前記第2のパイロットを前記スケジューリング技術のいずれかにより送信するコンポーネントと、
前記第2のパイロットに少なくとも部分的に基づいて第2のチャンネル品質インジケータ(CQI)を受信するコンポーネントと、
前記第2のCQIに基づいて、第2のユーザデバイスを前記固定された所定のビームパターンの第2のビームに割り当てるコンポーネントと、
前記第1のユーザデバイスのためにスケジュールされるものとは異なるスケジューリング技術で前記第2のCQIに少なくとも部分的に基づいて前記第2のユーザデバイスをスケジュールするコンポーネントと、
を備えるモバイルデバイス。 - 前記デバイスは、セルラー電話、スマートフォン、ハンドヘルド通信デバイス、ハンドヘルド演算デバイス、衛星無線機、全世界測位システム、ラップトップ、またはPDAのうちの少なくとも1つである、請求項18に記載のモバイルデバイス。
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US20130208681A1 (en) | 2013-08-15 |
RU2007142363A (ru) | 2009-05-27 |
EP1872487B1 (en) | 2017-06-21 |
HUE033060T2 (hu) | 2017-11-28 |
JP2012039649A (ja) | 2012-02-23 |
SG161296A1 (en) | 2010-05-27 |
BRPI0610775B1 (pt) | 2019-10-29 |
KR20070122568A (ko) | 2007-12-31 |
US9408220B2 (en) | 2016-08-02 |
WO2006113872A1 (en) | 2006-10-26 |
KR100956493B1 (ko) | 2010-05-07 |
EP1872487A1 (en) | 2008-01-02 |
JP2014060781A (ja) | 2014-04-03 |
ES2638438T3 (es) | 2017-10-20 |
CA2605065A1 (en) | 2006-10-26 |
CN101194440A (zh) | 2008-06-04 |
CN101194440B (zh) | 2012-10-17 |
CA2605065C (en) | 2012-10-09 |
RU2378758C2 (ru) | 2010-01-10 |
US9307544B2 (en) | 2016-04-05 |
TWI319940B (en) | 2010-01-21 |
BRPI0610775A2 (pt) | 2010-07-20 |
US20060233131A1 (en) | 2006-10-19 |
TW200709592A (en) | 2007-03-01 |
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