JP5571131B2 - 単一搬送波周波数分割多元接続システムにおける符号分割多重化 - Google Patents
単一搬送波周波数分割多元接続システムにおける符号分割多重化 Download PDFInfo
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- H04L27/2627—Modulators
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- H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
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Description
本特許出願は、2005年8月8日に出願した「単一搬送波周波数分割多元接続システムにおける符号分割多重化(CODE DIVISION MULTIPLEXING IN A SINGLE−CARRIER FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM)」という名称の仮出願第60/706,639号、および2005年8月22日に出願した「単一搬送波周波数分割多元接続システムにおける符号分割多重化(CODE DIVISION MULTIPLEXING IN A SINGLE−CARRIER FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM)」という名称の第60/710,503号、および2005年8月22日に出願した「単一搬送波周波数分割多元接続システムにおける符号分割多重化(CODE DIVISION MULTIPLEXING IN A SINGLE−CARRIER FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM)」という名称の第60/710,428号の優先権を主張し、以上の出願はすべて、本出願の譲受人に譲渡され、参照により本明細書に組み込まれている。
いし110mからRF変調信号を受信し、各アンテナは、受信された信号を、関連するRCVR(受信器ユニット)154に供給する。各受信器ユニット154は、受信された信号を調整して(例えば、フィルタリング、増幅、周波数ダウンコンバージョン、およびデジタル化を行い)、入力サンプルを、関連するDemux(逆多重化装置(demultiplexer))156に供給する。各逆多重化装置156は、CDMを使用して送信されたSC−FDMAシンボルに関する入力サンプルをSC−FDMA Demod(復調器)160に供給し、CDMを使用しないで送信されたSC−FDMAシンボルに関する入力サンプルをRX空間プロセッサ170に供給する。SC−FDMA復調器160は、入力サンプルに対してSC−FDMA復調を実行し、受信されたシンボルを提供する。RX CDMプロセッサ162が、相補的な逆拡散を実行して、検出されたデータシンボルを提供する。RXデータプロセッサ164が、それらの検出されたデータシンボルを処理して、CDMを使用して送信されたデータを復元する。
ci,jは、第j番目の割り当てられていない拡散符号の第i番目のチップであり、
Njは、第j番目の割り当てられていない拡散符号に関する干渉推定値である。
H(k)は、サブバンドkに関する無線チャネルに関する複素利得であり、
Rp(k)は、サブバンドkに関する受信されたパイロット値であり、
N(k)は、サブバンドkに関する雑音および干渉であり、
Kpは、パイロット伝送のために使用されたサブバンドの集合である。
Rd(k)は、サブバンドkに関する受信されたデータ値であり、
Kdは、データ伝送のために使用されたサブバンドの集合である。
以下に本件出願当初の特許請求の範囲に記載された発明を付記する。
[C1] 下記を備える装置:
変調シンボルを生成し、拡散符号を使用してCDMを実行し、前記変調シンボルに関するSC−FDMAシンボルを生成するように動作するプロセッサ;および、
前記プロセッサに結合されたメモリ。
[C2] [C1]記載の装置、この装置において、
前記プロセッサは、伝送のために少なくとも2つの送信機によって使用される少なくとも1つのシンボル周期にわたってCDMを実行するように動作する。
[C3] [C1]記載の装置、この装置において、
前記プロセッサは、スクランブル符号を使用してスクランブルを実行するように動作する。
[C4] 異なるセクタには、異なるスクランブル符号が割り当てられる[C3]に記載の装置。
[C5] [C1]記載の装置、この装置において、
前記プロセッサは、複数のシンボルにまたがってCDMを実行するように動作する。
[C6] [C1]記載の装置、この装置において、
前記プロセッサは、変調シンボルのシーケンスをL回、繰り返して、変調シンボルのL回繰り返されたシーケンスを、前記拡散符号のL個のチップと乗算して、スケーリングされた変調シンボルのL個のシーケンスを形成し、スケーリングされた変調シンボルの前記L個のシーケンスに関するL個のSC−FDMAシンボルを生成するように動作する、ここにおいて、Lは、前記拡散符号の長さである。
[C7] [C1]記載の装置、この装置において、
前記プロセッサは、各SC−FDMAシンボルをL回、繰り返し、L回繰り返されたSC−FDMAシンボルを、前記拡散符号のL個のチップと乗算するように動作する、ここにおいて、Lは、前記拡散符号の長さである。
[C8] 前記プロセッサは、複数のサンプルにまたがってCDMを実行するように動作する[C1]に記載の装置。
[C9] [C1]記載の装置、この装置において、
前記プロセッサは、少なくとも1つの変調シンボルのシーケンスをL回、繰り返し、少なくとも1つの変調シンボルのL回繰り返されるシーケンスを、前記拡散符号のL個のチップと乗算して、スケーリングされた変調シンボルのL個のシーケンスを形成し、前記スケーリングされた変調シンボルのL個のシーケンスのSC−FDMAシンボルを生成するように動作する、ここにおいて、Lは、前記拡散符号の長さである。
[C10] [C1]記載の装置、この装置において、
前記プロセッサは、複数のシンボルと複数のサンプルの両方にまたがってCDMを実行するように動作する。
[C11] [C1]記載の装置、この装置において、
前記プロセッサは、変調シンボルをL回、繰り返し、前記L回繰り返された変調シンボルを、前記拡散符号のL個のチップと乗算して、L個のスケーリングされた変調シンボルを得て、前記L個のスケーリングされた変調シンボルに関して少なくとも2つのSC−FDMAシンボルを生成するように動作する、ここにおいて、Lは、前記拡散符号の長さである。
[C12] 前記プロセッサは、複数の周波数サブバンドにまたがってCDMを実行するように動作する[C1]に記載の装置。
[C13] 少なくとも1つの拡散符号は、いずれの送信機にも割り当てられず、干渉推定のために予約される[C1]に記載の装置。
[C14] [C1]記載の装置、この装置において、
前記プロセッサは、少なくとも2つのタイプのデータのための変調シンボルを生成し、前記少なくとも2つのタイプのデータのうち少なくとも1つのタイプのデータに関してCDMを実行するように動作する。
[C15] [C1]記載の装置、この装置において、
前記プロセッサは、トラフィックデータおよびシグナリングのための変調シンボルを生成し、シグナリングに関してCDMを実行するように動作する。
[C16] [C1]記載の装置、この装置において、
前記プロセッサは、少なくとも2つの異なる持続時間を有するSC−FDMAシンボルを生成するように動作する。
[C17] [C1]記載の装置、この装置において、
前記プロセッサは、トラフィックデータおよびシグナリングのための変調シンボルを生成し、トラフィックデータのために第1の持続時間を有するSC−FDMAシンボルを生成し、シグナリングのために第2の持続時間を有するSC−FDMAシンボルを生成するように動作し、前記第2の持続時間は、前記第1の持続時間と比べて、より短い、またはより長い。
[C18] [C1]記載の装置、この装置において、
前記プロセッサは、トラフィックデータおよびパイロットのための変調シンボルを生成し、トラフィックデータのために第1の持続時間を有するSC−FDMAシンボルを生成し、パイロットのために第2の持続時間を有するSC−FDMAシンボルを生成するように動作し、前記第2の持続時間は、前記第1の持続時間と比べて、より短い、またはより長い。
[C19] [C1]記載の装置、この装置において、
前記プロセッサは、CDMなしに送信されるデータのために第1の持続時間を有するSC−FDMAシンボルを生成し、CDMを使用して送信されるデータのために第2の持続時間を有するSC−FDMAシンボルを生成するように動作し、前記第2の持続時間は、前記第1の持続時間と比べて、より短い、またはより長い。
[C20] さらに下記を備える[C1]記載の装置:
周波数ホッピングパターンに基づいて、異なるタイムスロットにおける伝送のために使用すべきサブバンドの異なる集合を決定するように動作するコントローラ。
[C21] 下記を備える方法:
変調シンボルを生成すること;
拡散符号を使用してCDMを実行すること;および、
前記変調シンボルに関するSC−FDMAシンボルを生成すること。
[C22] さらに下記を備える[C21]に記載の方法:
スクランブル符号を使用してスクランブルを実行すること。
[C23] [C21]に記載の方法、ここにおいて、
前記拡散符号を使用してCDMを前記実行することは、下記を備える:
複数のシンボルにまたがって、複数のサンプルにまたがって、または複数のサンプルと複数のシンボルの両方にまたがって、前記拡散符号を使用してCDMを実行すること。
[C24] [C21]に記載の方法、ここにおいて、
前記拡散符号を使用してCDMを前記実行することは、下記を備える:
伝送される少なくとも2つのタイプのデータのうち少なくとも1つのタイプのデータに関して、前記拡散符号を使用してCDMを実行すること。
[C25] [C21]に記載の方法、ここにおいて、
前記SC−FDMAシンボルを前記生成することは、下記を備える:
伝送される少なくとも2つのタイプのデータのために少なくとも2つの異なる持続時間を有するSC−FDMAシンボルを生成すること。
[C26] 下記を備える装置:
変調シンボルを生成するための手段;
拡散符号を使用してCDMを実行するための手段;および、
前記変調シンボルに関するSC−FDMAシンボルを生成するための手段。
[C27] さらに下記を備える[C26]記載の装置:
スクランブル符号を使用してスクランブルを実行するための手段。
[C28] [C26]記載の装置、この装置において、
前記拡散符号を使用してCDMを前記実行するための前記手段は、下記を備える:
複数のシンボルにまたがって、複数のサンプルにまたがって、または複数のサンプルと複数のシンボルの両方にまたがって、前記拡散符号を使用してCDMを実行するための手段。
[C29] [C26]に記載の装置、この装置において、
前記拡散符号を使用してCDMを前記実行するための前記手段は、下記を備える:
伝送される少なくとも2つのタイプのデータのうち少なくとも1つのタイプのデータに関して、前記拡散符号を使用してCDMを実行するための手段。
[C30] [C26]に記載の装置、この装置において、
前記SC−FDMAシンボルを生成するための前記手段は、下記を備える:
伝送される少なくとも2つのタイプのデータのために少なくとも2つの異なる持続時間を有するSC−FDMAシンボルを生成するための手段。
[C31] 下記を備える装置:
SC−FDMAシンボルを受信し、前記SC−FDMAシンボルに対してSC−FDMA復調を実行し、CDMを使用して伝送されたSC−FDMAシンボルに関して、拡散符号を使用して逆拡散を実行するように動作するプロセッサ;および、
前記プロセッサに結合されたメモリ。
[C32] [C31]記載の装置、この装置において、
複数の送信機が、伝送のために前記送信機に割り当てられた少なくとも1つのシンボル周期において、CDMを使用してSC−FDMAシンボルを伝送する。
[C33] [C31]記載の装置、この装置において、
前記プロセッサは、CDMを使用して伝送される前記SC−FDMAシンボルに関して、複数のシンボルにまたがって、複数のサンプルにまたがって、または複数のシンボルと複数のサンプルの両方にまたがって逆拡散を実行するように動作する。
[C34] 前記プロセッサは、スクランブル符号を使用して逆スクランブルを実行するように動作する[C31]に記載の装置。
[C35] [C31]記載の装置、この装置において、
前記プロセッサは、いずれの送信機にも割り当てられていない少なくとも1つの拡散符号に基づいて、干渉推定値を導き出すように動作する。
[C36] 前記プロセッサは、前記干渉推定値に基づいてデータ検出を実行するように動作する[C35]に記載の装置。
[C37] [C35]記載の装置、この装置において、
前記プロセッサは、前記干渉推定値を使用してチャネル推定値を導き出し、前記チャネル推定値および前記干渉推定値に基づいてデータ検出を実行するように動作する。
[C38] [C31]に記載の装置、この装置において、
前記プロセッサは、複数のアンテナに関する逆拡散されたシンボルを取得し、前記複数のアンテナにわたる前記逆拡散されたシンボルを組み合わせ、前記複数のアンテナにわたる組み合わせの後に、データ検出を実行するように動作する。
[C39] [C31]に記載の装置、この装置において、
前記プロセッサは、或るシンボル周期において少なくとも2つの送信機によってCDMなしに伝送されたSC−FDMAシンボルに関する受信側空間処理を実行するように動作する。
[C40] さらに下記を備える[C31]記載の装置:
周波数ホッピングパターンに基づき、異なるタイムスロットにおける伝送のために使用されるサブバンドの異なる集合を決定するように動作するコントローラ。
[C41] 下記を備える方法:
SC−FDMAシンボルを受信すること;
前記SC−FDMAシンボルに対してSC−FDMA復調を実行すること;および、
CDMを使用して伝送されたSC−FDMAシンボルに関して、拡散符号を使用して逆拡散を実行すること。
[C42] [C41]記載の方法、ここにおいて、
前記拡散符号を使用して逆拡散を前記実行することは、下記を備える:
CDMを使用して伝送される前記SC−FDMAシンボルに関して、複数のシンボルにまたがって、複数のサンプルにまたがって、または複数のシンボルと複数のサンプルの両方にまたがって前記拡散符号を使用して逆拡散を実行すること。
[C43] さらに下記を備える[C41]記載の方法:
スクランブル符号を使用して逆スクランブルを実行すること。
[C44] さらに下記を備える[C41]記載の方法:
いずれの送信機にも割り当てられていない少なくとも1つの拡散符号に基づいて、干渉推定値を導き出すこと。
[C45] 下記を備える装置:
SC−FDMAシンボルを受信するための手段;
前記SC−FDMAシンボルに対してSC−FDMA復調を実行するための手段;および、
CDMを使用して伝送されたSC−FDMAシンボルに関して、拡散符号を使用して逆拡散を実行するための手段。
[C46] さらに下記を備える[C45]記載の装置:
スクランブル符号を使用して逆スクランブルを実行するための手段。
[C47] [C45]に記載の装置、この装置において、
前記拡散符号を使用して逆拡散を実行するための前記手段は、下記を備える:
CDMを使用して伝送される前記SC−FDMAシンボルに関して、複数のシンボルにまたがって、複数のサンプルにまたがって、または複数のシンボルと複数のサンプルの両方にまたがって前記拡散符号を使用して逆拡散を実行するための手段。
[C48] いずれの送信機にも割り当てられていない少なくとも1つの拡散符号に基づいて、干渉推定値を導き出すための手段をさらに含む[C45]に記載の装置。
Claims (62)
- 下記を備える無線通信システムにおける装置:
制御情報に関する変調シンボルを生成し、拡散符号を使用して前記制御情報に関する前記変調シンボルを拡散して、前記変調シンボルをL回、繰り返して、L個の繰り返された変調シンボルを、前記拡散符号のL個のチップと乗算することにより、L個の拡散された変調シンボルを得て、Lは、前記拡散符号の長さであり、前記L個の拡散された変調シンボルと伝送に使用される連続する複数サブキャリアの集合とに基づいて、少なくとも1つのSC−FDMAシンボルを生成するように動作するプロセッサ;および、
前記プロセッサに結合されたメモリ。 - 請求項1記載の装置、この装置において、
前記プロセッサは、伝送のために少なくとも2つの送信機によって使用される少なくとも1つのシンボル周期にわたって拡散することを実行するように動作する。 - 請求項1記載の装置、この装置において、
前記プロセッサは、スクランブル符号を使用してスクランブルを実行するように動作する。 - 異なるセクタには、異なるスクランブル符号が割り当てられる請求項3に記載の装置。
- 請求項1記載の装置、この装置において、
前記プロセッサは、複数のシンボルにまたがって拡散することを実行するように動作する。 - 請求項1記載の装置、この装置において、
前記プロセッサは、前記L個の拡散された変調シンボルに基づいて、L個のSC−FDMAシンボルを生成するように動作する。 - 請求項1記載の装置、この装置において、
前記プロセッサは、SC−FDMAシンボルを生成し、前記SC−FDMAシンボルをL回、繰り返し、L回繰り返されたSC−FDMAシンボルを、前記拡散符号の前記L個のチップと乗算するように動作する。 - 前記プロセッサは、複数のサンプルにまたがって拡散することを実行するように動作する請求項1に記載の装置。
- 請求項1記載の装置、この装置において、
前記プロセッサは、前記L個の拡散された変調シンボルに基づいて1個のSC−FDMAシンボルを生成するように動作する。 - 請求項1記載の装置、この装置において、
前記プロセッサは、複数のシンボルと複数のサンプルの両方にまたがって拡散することを実行するように動作する。 - 請求項1記載の装置、この装置において、
前記プロセッサは、前記L個の拡散された変調シンボルに基づいて、少なくとも2つのSC−FDMAシンボルを生成するように動作する。 - 前記プロセッサは、複数のサブキャリアにまたがって拡散することを実行するように動作する請求項1に記載の装置。
- 少なくとも1つの他の拡散符号は、いずれの送信機にも割り当てられず、干渉推定のために予約される請求項1に記載の装置。
- 請求項1記載の装置、この装置において、
前記プロセッサは、少なくとも2つのタイプのデータのための変調シンボルを生成し、前記少なくとも2つのタイプのデータのうち少なくとも1つのタイプのデータに関して拡散することを実行するように動作する。 - 請求項1記載の装置、この装置において、
前記プロセッサは、トラフィックデータおよび制御情報に関する変調シンボルを生成し、制御情報に関して拡散することを実行するように動作する。 - 請求項1記載の装置、この装置において、
前記プロセッサは、少なくとも2つの異なる持続時間を有するSC−FDMAシンボルを生成するように動作する。 - 請求項1記載の装置、この装置において、
前記プロセッサは、トラフィックデータおよび制御情報に関する変調シンボルを生成し、トラフィックデータに関して第1の持続時間を有するSC−FDMAシンボルを生成し、制御情報に関して第2の持続時間を有するSC−FDMAシンボルを生成するように動作し、前記第2の持続時間は、前記第1の持続時間と比べて、より短い、またはより長い。 - 請求項1記載の装置、この装置において、
前記プロセッサは、トラフィックデータおよびパイロットに関する変調シンボルを生成し、トラフィックデータに関して第1の持続時間を有するSC−FDMAシンボルを生成し、パイロットに関して第2の持続時間を有するSC−FDMAシンボルを生成するように動作し、前記第2の持続時間は、前記第1の持続時間と比べて、より短い、またはより長い。 - 請求項1記載の装置、この装置において、
前記プロセッサは、拡散することなしに送信されるデータに関して第1の持続時間を有するSC−FDMAシンボルを生成し、拡散することを使用して送信されるデータに関して第2の持続時間を有するSC−FDMAシンボルを生成するように動作し、前記第2の持続時間は、前記第1の持続時間と比べて、より短い、またはより長い。 - さらに下記を備える請求項1記載の装置:
周波数ホッピングパターンに基づいて、異なるタイムスロットにおける伝送のために使用すべきサブキャリアの異なる集合を決定するように動作するコントローラ。 - 下記を備える無線通信のための方法:
制御情報に関する変調シンボルを生成すること;
拡散符号を使用して前記制御情報に関する前記変調シンボルを拡散して、前記変調シンボルをL回、繰り返して、L個の繰り返された変調シンボルを、前記拡散符号のL個のチップと乗算することにより、L個の拡散された変調シンボルを得ること、ここにおいて、Lは、前記拡散符号の長さである;および、
前記L個の拡散された変調シンボルと伝送に使用される連続する複数サブキャリアの集合とに基づいて、少なくとも1つのSC−FDMAシンボルを生成すること。 - さらに下記を備える請求項21に記載の方法:
スクランブル符号を使用してスクランブルを実行すること。 - 請求項21に記載の方法、ここにおいて、
前記拡散することは、下記を備える:
複数のシンボルにまたがって、または複数のサンプルにまたがって、または複数のサブキャリアにまたがって、または、それらの組み合わせにまたがって、前記拡散符号を使用して前記変調シンボルを拡散すること。 - 請求項21に記載の方法、ここにおいて、
前記拡散することは、下記を備える:
伝送される少なくとも2つのタイプのデータのうち少なくとも1つのタイプのデータに関して、前記拡散符号を使用して前記変調シンボルを拡散すること。 - さらに下記を備える請求項21に記載の方法:
伝送される少なくとも2つのタイプのデータに関して少なくとも2つの異なる持続時間を有するSC−FDMAシンボルを生成すること。 - 下記を備える無線通信における装置:
制御情報に関する変調シンボルを生成するための手段;
拡散符号を使用して前記制御情報に関する前記変調シンボルを拡散して、前記変調シンボルをL回、繰り返して、L個の繰り返された変調シンボルを、前記拡散符号のL個のチップと乗算することにより、L個の拡散された変調シンボルを得るための手段、ここにおいて、Lは、前記拡散符号の長さである;および、
前記L個の拡散された変調シンボルと伝送に使用される連続する複数サブキャリアの集合とに基づいて、少なくとも1つのSC−FDMAシンボルを生成するための手段。 - さらに下記を備える請求項26記載の装置:
スクランブル符号を使用してスクランブルを実行するための手段。 - 請求項26記載の装置、この装置において、
前記拡散するための手段は、下記を備える:
複数のシンボルにまたがって、または複数のサンプルにまたがって、または複数のサブキャリアにまたがって、または、それらの組み合わせにまたがって、前記拡散符号を使用して前記変調シンボルを拡散するための手段。 - 請求項26に記載の装置、この装置において、
前記拡散するための手段は、下記を備える:
伝送される少なくとも2つのタイプのデータのうち少なくとも1つのタイプのデータに関して、前記拡散符号を使用して前記変調シンボルを拡散するための手段。 - 下記をさらに備える請求項26に記載の装置:
伝送される少なくとも2つのタイプのデータに関して少なくとも2つの異なる持続時間を有するSC−FDMAシンボルを生成するための手段。 - 下記を備える無線通信システムにおける装置:
制御情報を備える少なくとも1つのSC−FDMAシンボルを受信し、前記少なくとも1つの受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行し、少なくとも1つのシンボル周期における伝送に使用される連続する複数サブキャリアの集合から受信されたシンボルを得て、拡散符号のL個のチップを使用して前記受信されたシンボルを逆拡散して、前記制御情報に関する1つの変調シンボルを復元するように動作するプロセッサ、ここにおいて、Lは、前記拡散符号の長さである;および、
前記プロセッサに結合されたメモリ。 - 請求項31記載の装置、この装置において、
複数の送信機が、伝送のために前記送信機に割り当てられた前記少なくとも1つのシンボル周期において、拡散することを使用してSC−FDMAシンボルを伝送する。 - 請求項31記載の装置、この装置において、
前記プロセッサは、複数のシンボルにまたがって、または複数のサンプルにまたがって、または複数のサブキャリアにまたがって、または、それらの組み合わせにまたがって逆拡散を実行するように動作する。 - 前記プロセッサは、スクランブル符号を使用して逆スクランブルを実行するように動作する請求項31に記載の装置。
- 請求項31記載の装置、この装置において、
前記プロセッサは、いずれの送信機にも割り当てられていない少なくとも1つの他の拡散符号に基づいて、干渉推定値を導き出すように動作する。 - 前記プロセッサは、前記干渉推定値に基づいてデータ検出を実行するように動作する請求項35に記載の装置。
- 請求項35記載の装置、この装置において、
前記プロセッサは、チャネル推定値を導き出し、前記チャネル推定値および前記干渉推定値に基づいてデータ検出を実行するように動作する。 - 請求項31に記載の装置、この装置において、
前記プロセッサは、複数のアンテナに関する逆拡散されたシンボルを取得し、前記複数のアンテナにわたる前記逆拡散されたシンボルを組み合わせ、前記複数のアンテナにわたる組み合わせの後に、データ検出を実行するように動作する。 - 請求項31に記載の装置、この装置において、
前記プロセッサは、シンボル周期において少なくとも2つの送信機によって拡散することなしに伝送されたSC−FDMAシンボルに関する受信側空間処理を実行するように動作する。 - さらに下記を備える請求項31記載の装置:
周波数ホッピングパターンに基づき、異なるタイムスロットにおける伝送のために使用されるサブキャリアの異なる集合を決定するように動作するコントローラ。 - 下記を備える無線通信のための方法:
前記制御情報を備える少なくとも1つのSC−FDMAシンボルを受信すること;
前記少なくとも1つの受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行して、少なくとも1つのシンボル周期における伝送に使用される連続する複数サブキャリアの集合から受信されるシンボルを得ること;および、
拡散符号のL個のチップを使用して前記受信されるシンボルを逆拡散して、前記制御情報に関する変調シンボルを復元すること、ここにおいて、Lは、前記拡散符号の長さである。 - 請求項41記載の方法、ここにおいて、
前記逆拡散することは、下記を備える:
複数のシンボルにまたがって、または複数のサンプルにまたがって、または複数のサブキャリアにまたがって、または、それらの組み合わせにまたがって、前記拡散符号を使用して前記受信されるシンボルを逆拡散すること。 - さらに下記を備える請求項41記載の方法:
スクランブル符号を使用して逆スクランブルを実行すること。 - さらに下記を備える請求項41記載の方法:
いずれの送信機にも割り当てられていない少なくとも1つの他の拡散符号に基づいて、干渉推定値を導き出すこと。 - 下記を備える無線通信システムにおける装置:
制御情報を備える少なくとも1つのSC−FDMAシンボルを受信するための手段;
前記少なくとも1つの受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行して、少なくとも1つのシンボル周期における伝送に使用される連続する複数サブキャリアの集合から受信されるシンボルを得るための手段;および、
拡散符号のL個のチップを使用して前記受信されるシンボルを逆拡散して、前記制御情報に関する変調シンボルを復元するための手段、ここにおいて、Lは、前記拡散符号の長さである。 - さらに下記を備える請求項45記載の装置:
スクランブル符号を使用して逆スクランブルを実行するための手段。 - 請求項45に記載の装置、この装置において、
前記逆拡散するための前記手段は、下記を備える:
複数のシンボルにまたがって、または複数のサンプルにまたがって、または複数のサブキャリアにまたがって、または、それらの組み合わせにまたがって前記拡散符号を使用して前記受信されるシンボルを逆拡散するための手段。 - いずれの送信機にも割り当てられていない少なくとも1つの他の拡散符号に基づいて、干渉推定値を導き出すための手段をさらに含む請求項45に記載の装置。
- 下記をさらに備える請求項21記載の方法、
伝送のために少なくとも2つの送信機によって使用される少なくとも1つのシンボル周期にわたって拡散することを実行すること。 - 請求項21記載の方法、ここにおいて、
前記少なくとも1つのSC−FDMAシンボルを生成することは、下記を備える:
前記L個の拡散された変調シンボルに基づいて、L個のSC−FDMAシンボルを生成すること。 - 請求項21記載の方法、ここにおいて、
前記少なくとも1つのSC−FDMAシンボルを生成することは、下記を備える:
前記L個の拡散された変調シンボルに基づいて一個のSC−FDMAシンボルを生成すること。 - 下記をさらに備える請求項26記載の装置、
伝送のために少なくとも2つの送信機によって使用される少なくとも1つのシンボル周期にわたって拡散することを実行するための手段。 - 請求項26記載の装置、この装置において、
前記少なくとも1つのSC−FDMAシンボルを生成するための手段は、下記を備える:
前記L個の拡散された変調シンボルに基づいて、L個のSC−FDMAシンボルを生成するための手段。 - 請求項26記載の装置、この装置において、
前記少なくとも1つのSC−FDMAシンボルを生成するための手段は、下記を備える:
前記L個の拡散された変調シンボルに基づいて一個のSC−FDMAシンボルを生成するための手段。 - 請求項31に記載の装置、この装置において、
前記プロセッサは、L個の受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行し、L個のシンボル周期について受信されたシンボルを取得し、そして、前記拡散符号の前記L個のチップを使用して前記受信されたシンボルを逆拡散し、前記変調シンボルを復元するように動作する。 - 請求項31に記載の装置、この装置において、
前記プロセッサは、1個の受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行し、L個のサンプル周期またはL個のサブキャリアについて受信されたシンボルを取得し、そして、前記拡散符号の前記L個のチップを使用して前記受信されたシンボルを逆拡散し、前記変調シンボルを復元するように動作する。 - 請求項41に記載の方法、ここにおいて、
前記SC−FDMA復調を実行することは、下記を備える:
L個の受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行し、L個のシンボル周期について受信されたシンボルを取得する、
また、前記逆拡散することは、下記を備える:
前記拡散符号の前記L個のチップを使用して前記L個のシンボル周期について前記受信されたシンボルを逆拡散し、前記変調シンボルを復元する。 - 請求項41に記載の方法、ここにおいて、
前記SC−FDMA復調を実行することは、下記を備える:
1個の受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行し、L個のサンプル周期またはL個のサブキャリアについて受信されたシンボルを取得する、
また、前記逆拡散することは、下記を備える:
前記拡散符号の前記L個のチップを使用して前記L個のサンプル周期または前記L個のサブキャリアについて前記受信されたシンボルを逆拡散し、前記変調シンボルを復元する。 - 請求項45に記載の装置、この装置において、
前記SC−FDMA復調を実行するための手段は、下記を備える:
L個の受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行し、L個のシンボル周期について受信されたシンボルを取得するための手段、
また、前記逆拡散するための手段は、下記を備える:
前記拡散符号の前記L個のチップを使用して前記L個のシンボル周期について前記受信されたシンボルを逆拡散し、前記変調シンボルを復元するための手段。 - 請求項45に記載の装置、この装置において、
前記SC−FDMA復調を実行するための手段は、下記を備える:
1個の受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行し、L個のサンプル周期またはL個のサブキャリアについて受信されたシンボルを取得するための手段、
また、前記逆拡散するための手段は、下記を備える:
前記拡散符号の前記L個のチップを使用して前記L個のサンプル周期または前記L個のサブキャリアについて前記受信されたシンボルを逆拡散し、前記変調シンボルを復元するための手段。 - プログラムを保存するコンピュータ可読媒体、ただし、該プログラムはコンピュータによって実施される際に、下記を含む動作を前記コンピュータに実行させる:
制御情報に関する変調シンボルを生成すること;
拡散符号を使用して前記制御情報に関する前記変調シンボルを拡散して、前記変調シンボルをL回、繰り返して、L個の繰り返された変調シンボルを、前記拡散符号のL個のチップと乗算することにより、L個の拡散された変調シンボルを得ること、ここにおいて、Lは、前記拡散符号の長さである;
前記L個の拡散された変調シンボルと伝送に使用される連続する複数サブキャリアの集合とに基づいて少なくとも1つのSC−FDMAシンボルを生成すること。 - プログラムを保存するコンピュータ可読媒体、ただし、該プログラムはコンピュータによって実施される際に、下記を含む動作を前記コンピュータに実行させる:
制御情報を備える少なくとも1つのSC−FDMAシンボルを受信すること;
前記少なくとも1つの受信されたSC−FDMAシンボルに対してSC−FDMA復調を実行し、少なくとも1つのシンボル周期における伝送に使用される連続する複数サブキャリアの集合から受信されたシンボルを得ること;
拡散符号のL個のチップを使用して前記受信されたシンボルを逆拡散し、前記制御情報に関する変調シンボルを復元すること、ここにおいて、Lは、前記拡散符号の長さである。
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JP2012239186A (ja) | 2012-12-06 |
CN106899397A (zh) | 2017-06-27 |
CN101278507A (zh) | 2008-10-01 |
WO2007019555A2 (en) | 2007-02-15 |
WO2007019555A3 (en) | 2007-06-28 |
KR20080032252A (ko) | 2008-04-14 |
EP1922830B1 (en) | 2014-10-15 |
ES2524981T3 (es) | 2014-12-16 |
TW200715741A (en) | 2007-04-16 |
EP1922830B8 (en) | 2015-03-18 |
US8885628B2 (en) | 2014-11-11 |
PL1922830T3 (pl) | 2015-04-30 |
EP1922830A2 (en) | 2008-05-21 |
US9693339B2 (en) | 2017-06-27 |
CN106899397B (zh) | 2020-02-14 |
TWI371186B (en) | 2012-08-21 |
US20140376518A1 (en) | 2014-12-25 |
US20070041404A1 (en) | 2007-02-22 |
DK1922830T3 (en) | 2015-01-19 |
KR101029430B1 (ko) | 2011-04-14 |
CN101278507B (zh) | 2017-01-11 |
PT1922830E (pt) | 2014-12-16 |
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