JP2010522516A - 干渉管理のためのバックホール通信 - Google Patents
干渉管理のためのバックホール通信 Download PDFInfo
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- JP2010522516A JP2010522516A JP2010501132A JP2010501132A JP2010522516A JP 2010522516 A JP2010522516 A JP 2010522516A JP 2010501132 A JP2010501132 A JP 2010501132A JP 2010501132 A JP2010501132 A JP 2010501132A JP 2010522516 A JP2010522516 A JP 2010522516A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/045—Interfaces between hierarchically different network devices between access point and backbone network device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
Abstract
【選択図】 図2A
Description
Claims (48)
- 無線システムにおいて干渉を管理するための方法であって、
第1のアップリンク(UL)干渉メトリックを生成することと、
報告ポリシーに従って負荷インジケータを生成することと、
バックホール通信有線リンクを介して負荷インジケータのセットを伝送することと、
前記バックホール通信有線リンクを介して負荷インジケータのセットを受信することと、
第2のUL干渉メトリックを緩和するために、前記受信した負荷インジケータに従って通信リソースのセットをスケジュールすることと、
を備えた方法。 - UL干渉メトリックを決定することは、ULサウンディング参照信号を受信することをさらに備える、請求項1に記載の方法。
- ULの干渉メトリックを決定することは、ULトラヒック信号を受信することをさらに備える、請求項1に記載の方法。
- ダウンリンク(DL)チャネル品質測定報告を受信することをさらに備える、請求項1に記載の方法。
- 前記負荷インジケータのセットの中の少なくとも1つの負荷インジケータは、周波数リソースのセットに対して決定される、請求項1に記載の方法。
- バックホール通信有線リンクを介して負荷インジケータのセットを伝送することは、前記負荷インジケータのセットを隣接基地局のセットに伝送することをさらに備える、請求項1に記載の方法。
- 前記隣接基地局のセットはサービスプロバイダによって決定される、請求項6に記載の方法。
- 前記隣接基地局のセットは、サービス中の基地局のセットと関連するUL性能メトリックのセットによって決定される、請求項6に記載の方法。
- 前記隣接基地局のセットは、DLチャネル品質インジケータ測定報告のセットに少なくとも部分的に基づいて決定される、請求項6に記載の方法。
- 前記負荷インジケータのセットの中の前記負荷インジケータの少なくとも1つはタイムスタンプを含む、請求項6に記載の方法。
- 前記報告ポリシーは、現在のUL干渉メトリックと前のUL干渉メトリックとの間の差を評価することを備える、請求項1に記載の方法。
- 前記報告ポリシーは、UL干渉メトリックをそのUL干渉メトリックのしきい値と比較することを備える、請求項1に記載の方法。
- 前記報告ポリシーは、負荷インジケータを受信する要求に応答することを備える、請求項1に記載の方法。
- 前記報告ポリシーは、負荷インジケータメッセージを周期的に報告することを備える、請求項1に記載の方法。
- UL干渉メトリックを生成することは、UL信号を測定することをさらに備える、請求項1に記載の方法。
- UL信号を測定することは、熱雑音による干渉を測定することを含む、請求項15に記載の方法。
- UL干渉メトリックに関する履歴データに少なくとも部分的に基づいて報告ポリシーを推測することをさらに備える、請求項1に記載の方法。
- バックホール通信リンクを最適化するために、費用−利点の分析に少なくとも部分的に基づいて報告ポリシーを推測することをさらに備える、請求項1に記載の方法。
- DLチャネル品質報告のセット、スケジュールされた時間−周波数リソースのセット、または負荷インジケータのセットに少なくとも部分的に基づいて干渉のソースを推測することをさらに備える、請求項4に記載の方法。
- 前記生成した負荷インジケータは、Pを正の整数とするPビットのワードである、請求項1に記載の方法。
- 前記生成した負荷インジケータは、ショートメッセージサービスの中のメッセージである、請求項1に記載の方法。
- 前記生成した負荷インジケータはクッキーファイルである、請求項1に記載の方法。
- 請求項1に記載の方法を実行する電子デバイス。
- 無線システムで動作するデバイスであって、
アップリンク(UL)信号を受信し、UL干渉メトリックを生成し、報告ポリシーに従って負荷インジケータを生成し、バックホール通信リンクを介して負荷インジケータのセットを伝送するように構成されたプロセッサと、
前記プロセッサに結合されたメモリと、
を備えたデバイス。 - 前記プロセッサは、バックホール通信リンクを介して負荷インジケータのセットを受信し、前記受信した負荷インジケータのセットに従って通信リソースのセットをスケジュールするようにさらに構成された、請求項24に記載のデバイス。
- 前記プロセッサはさらに、ダウンリンク(DL)チャネル品質測定報告を受信するように構成された、請求項24に記載のデバイス。
- UL干渉メトリックを生成することは、熱雑音による干渉を測定することを含む、請求項25に記載のデバイス。
- バックホール通信有線リンクを介して負荷インジケータのセットを伝送することは、前記負荷インジケータのセットを所定の基地局のセットに伝送することをさらに備える、請求項24に記載のデバイス。
- 前記所定の基地局のセットはサービスプロバイダによって確立される、請求項28に記載のデバイス。
- 前記所定の基地局のセットは、UL性能メトリックのセットによって決定される、請求項29に記載のデバイス。
- 前記所定の基地局のセットは、DLチャネル品質インジケータ測定報告のセットによって決定される、請求項29に記載のデバイス。
- 前記負荷インジケータは、周波数リソースのセットに対して決定される、請求項29に記載のデバイス。
- 前記報告ポリシーは、現在のUL干渉メトリックと前のUL干渉メトリックとの間の差の評価を備える、請求項24に記載のデバイス。
- 前記報告ポリシーは、UL干渉メトリックとそのUL干渉メトリックのしきい値との比較を備える、請求項24に記載のデバイス。
- 前記報告ポリシーは、負荷インジケータを受信する要求への応答を備える、請求項24に記載のデバイス。
- 前記報告ポリシーは、負荷インジケータメッセージを周期的に報告することを備える、請求項24に記載のデバイス。
- UL干渉メトリックを生成することはUL信号を測定することを含む、請求項24に記載のデバイス。
- UL信号を測定することは、熱雑音による干渉の測定の少なくとも1つを含む、請求項37に記載のデバイス。
- 前記プロセッサは、DLチャネル品質報告のセット、スケジュールされた時間−周波数リソースのセット、または負荷インジケータのセットに少なくとも部分的に基づいて干渉のソースを推測するように構成された、請求項26に記載のデバイス。
- 無線環境で動作する装置であって、
アップリンク(UL)信号を受信するための手段と、
UL干渉メトリックを決定するための手段と、
報告ポリシーに従って負荷インジケータを生成するための手段と、
バックホール通信リンクを介して負荷インジケータのセットを伝送するための手段と、
前記バックホール通信リンクを介して負荷インジケータのセットを受信するための手段と、
前記受信した負荷インジケータに従ってUL干渉メトリックを緩和するように通信リソースのセットをスケジュールするための手段と、
を備える装置。 - ダウンリンク(DL)チャネル品質報告のセットを受信するための手段をさらに備える、請求項40に記載の装置。
- 隣接基地局のセットを確立するための手段をさらに備える、請求項41に記載の装置。
- ULの干渉メトリックを決定するための手段は、熱雑音による干渉を測定するための手段をさらに含む、請求項40に記載の装置。
- 前記報告ポリシーは、イベントベースのポリシーまたは時間−周波数ポリシーのうちの少なくとも1つを含む、請求項40に記載の装置。
- 時間−周波数ポリシーは周期的に報告することを含む、請求項44に記載の装置。
- 少なくとも1つのコンピュータに、アップリンク(UL)干渉メトリックを決定させるためのコードと、
前記少なくとも1つのコンピュータに、報告ポリシーに従って負荷インジケータを生成させるためのコードと、
前記少なくとも1つのコンピュータに、バックホール通信リンクを介して負荷インジケータのセットを伝送させるためのコードと、
前記少なくとも1つのコンピュータに、前記バックホール通信リンクを介して負荷インジケータのセットを受信させるためのコードと、
前記少なくとも1つのコンピュータに、前記受信した負荷インジケータに従ってUL干渉メトリックを緩和するように通信リソースのセットをスケジュールさせるためのコードと、
を含むコンピュータ可読媒体を備えるコンピュータプログラム製品。 - 前記少なくとも1つのコンピュータに、バックホール通信有線リンクを介して負荷インジケータのトラヒックを最適化する報告ポリシーを推測させるためのコードをさらに含む、請求項46に記載のコンピュータ可読媒体。
- 前記少なくとも1つのコンピュータにUL干渉メトリックを決定させるためのコードは、前記少なくとも1つのコンピュータに熱雑音による干渉を決定させるためのコードを含む、請求項47に記載のコンピュータ可読媒体。
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US89684307P | 2007-03-23 | 2007-03-23 | |
US60/896,843 | 2007-03-23 | ||
US12/052,691 US8676223B2 (en) | 2007-03-23 | 2008-03-20 | Backhaul communication for interference management |
US12/052,691 | 2008-03-20 | ||
PCT/US2008/057906 WO2008118810A1 (en) | 2007-03-23 | 2008-03-21 | Backhaul communication for interference management |
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WO2008118810A1 (en) | 2008-10-02 |
CN101641918B (zh) | 2014-03-19 |
KR101073250B1 (ko) | 2011-10-12 |
CA2679349A1 (en) | 2008-10-02 |
CA2679349C (en) | 2015-03-10 |
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KR20090132625A (ko) | 2009-12-30 |
TWI383694B (zh) | 2013-01-21 |
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CN101641918A (zh) | 2010-02-03 |
TW200845787A (en) | 2008-11-16 |
RU2009139061A (ru) | 2011-04-27 |
RU2441333C2 (ru) | 2012-01-27 |
JP5372908B2 (ja) | 2013-12-18 |
EP2130335A1 (en) | 2009-12-09 |
EP2130335B1 (en) | 2018-08-15 |
US20080233967A1 (en) | 2008-09-25 |
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