JP2008538487A - 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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Abstract
【選択図】 図4
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。
Claims (52)
- 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。 - 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、請求項1に記載の方法。
- 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、請求項2に記載の方法。
- 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、請求項1に記載の方法。
- 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、請求項1に記載の方法。
- 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、請求項1に記載の方法。
- 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、請求項1に記載の方法。 - 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、請求項1に記載の方法。
- 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、請求項8に記載の方法。
- 前記1組のビーム重みを使用することをさらに備える、請求項9に記載の方法。
- 前記少なくとも1つのCQIは、フレーム毎に受信される、請求項1に記載の方法。
- 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、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13に記載の方法。
- 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、請求項1に記載の方法。
- 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。 - 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、請求項16に記載の方法。
- 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。 - 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、請求項18に記載の無線装置。
- 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、請求項19に記載の無線装置。
- 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、請求項18に記載の無線装置。
- 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、請求項18に記載の無線装置。
- 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、請求項18に記載の無線装置。
- 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、請求項18に記載の無線装置。
- 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、請求項24に記載の無線装置。
- 前記プロセッサは、前記1組のビーム重みを使用する、請求項25に記載の無線装置。
- 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、請求項18に記載の無線装置。
- 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、請求項18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18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29に記載の無線装置。
- 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。 - 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、請求項31に記載の無線通信装置。
- 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。 - 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、請求項33に記載の装置。
- 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。 - 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33に記載の装置。
- 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、請求項33に記載の装置。
- 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、請求項33に記載の装置。
- 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。 - 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、請求項39に記載の装置。
- 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。 - 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、請求項41に記載のコンピュータ可読媒体。
- 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、請求項41に記載のコンピュータ可読媒体。
- 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、請求項41に記載のコンピュータ可読媒体。 - 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。 - 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。 - 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、請求項46に記載のプロセッサ。
- 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、請求項46に記載のプロセッサ。 - 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。 - 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、請求項49に記載のモバイルデバイス。
- 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。 - 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、請求項51に記載のモバイルデバイス。
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CA2605065A1 (en) | 2006-10-26 |
EP1872487B1 (en) | 2017-06-21 |
SG161296A1 (en) | 2010-05-27 |
KR100956493B1 (ko) | 2010-05-07 |
BRPI0610775A2 (pt) | 2010-07-20 |
JP2014060781A (ja) | 2014-04-03 |
WO2006113872A1 (en) | 2006-10-26 |
JP5905436B2 (ja) | 2016-04-20 |
KR20070122568A (ko) | 2007-12-31 |
EP1872487A1 (en) | 2008-01-02 |
US9307544B2 (en) | 2016-04-05 |
HUE033060T2 (hu) | 2017-11-28 |
RU2378758C2 (ru) | 2010-01-10 |
JP2012039649A (ja) | 2012-02-23 |
US20130208681A1 (en) | 2013-08-15 |
CA2605065C (en) | 2012-10-09 |
ES2638438T3 (es) | 2017-10-20 |
TW200709592A (en) | 2007-03-01 |
BRPI0610775B1 (pt) | 2019-10-29 |
RU2007142363A (ru) | 2009-05-27 |
CN101194440A (zh) | 2008-06-04 |
CN101194440B (zh) | 2012-10-17 |
US9408220B2 (en) | 2016-08-02 |
US20060233131A1 (en) | 2006-10-19 |
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