JP7066940B2 - バッファ処理方法、装置、デバイス及びコンピュータ記憶媒体 - Google Patents
バッファ処理方法、装置、デバイス及びコンピュータ記憶媒体 Download PDFInfo
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Description
第1の態様では、本発明は、バッファ処理方法を提供する。当該方法は、受信側の利用可能な帯域幅の下げ幅が予め設定された第1の閾値を超えたと検出されると、受信側により受信されたデータフレームレートの下げ幅が予め設定された、前記第1の閾値より小さい第2の閾値を超えたか否かを検出し、前記第2の閾値を超えたことが検出された場合に、前記受信側のバッファサイズを調整し、そうでなければ、前記受信側のバッファサイズをそのまま維持することを含む。
Claims (11)
- バッファ処理方法であって、
受信側の利用可能な帯域幅を検出して、受信側の利用可能な帯域幅の下げ幅を得ることと、
前記受信側の利用可能な帯域幅の下げ幅が予め設定された第1の閾値を超えたことが検出されると、受信側により受信されたデータフレームレートの下げ幅が、前記第1の閾値より数値が小さい予め設定された第2の閾値を超えたか否かを検出することと、
前記データフレームレートの下げ幅が前記第2の閾値を超えたことが検出された場合に、前記受信側のバッファサイズを調整し、
前記データフレームレートの下げ幅が前記第2の閾値を超えていないことが検出された場合に、前記受信側のバッファサイズをそのまま維持することと、を含み、
前記受信側のバッファサイズを調整することは、
受信側の利用可能な帯域幅に応じて、前記受信側のバッファサイズを調整することを含み、バッファサイズは受信側の利用可能な帯域幅と負の相関であり、
前記受信側の利用可能な帯域幅に応じて前記受信側のバッファサイズを調整することは、
前記受信側が予め設定された時間ウィンドウ内で受信したデータフレームサイズの最大値と平均値とを確定し、ノイズ分散(varNoise)を確定することと、
前記受信側の利用可能な帯域幅、前記最大値と平均値、およびノイズ分散を用いて、所要のバッファサイズの値を推定することと、
前記受信側のバッファサイズを推定された値に調整することと、を含む、
方法。 - 前記受信側の利用可能な帯域幅は、前記受信側が各データフレームを受信する時間とデータフレームのサイズに基づいて確定される、請求項1に記載の方法。
- 前記第2の閾値は、前記第1の閾値の半分以下である、請求項1または2に記載の方法。
- 前記第2の閾値は10%であり、前記第1の閾値は20%である、請求項3に記載の方法。
- 前記ノイズ分散を確定することは、
前記受信側によりすでに受信されたノイズに対してカルマンフィルタリングを実行した後、前記ノイズ分散を予測して取得する、ことを含む請求項1に記載の方法。 - バッファ処理装置であって、
受信側の利用可能な帯域幅を検出して、受信側の利用可能な帯域幅の下げ幅を得、前記受信側の利用可能な帯域幅の下げ幅が予め設定された第1の閾値を超えたことが検出されると、受信側により受信されたデータフレームレートの下げ幅が、前記第1の閾値より数値が小さい予め設定された第2の閾値を超えたか否かを検出する検出手段と、
前記検出手段により、前記受信側のデータフレームレートの下げ幅が予め設定された第2の閾値を超えたと検出されると、前記受信側のバッファサイズを調整し、前記受信側のデータフレームレートの下げ幅が前記第2の閾値を超えていないと検出されると、前記受信側のバッファサイズをそのまま維持するバッファ調整手段と、を備え、
前記バッファ調整手段は、
受信側の利用可能な帯域幅に応じて前記受信側のバッファサイズを調整し、バッファサイズは受信側の利用可能な帯域幅と負の相関であり、
前記バッファ調整手段は、
前記受信側が予め設定された時間ウィンドウ内で受信したデータフレームサイズの最大値と平均値とを確定し、ノイズ分散(varNoise)を確定し、
前記受信側の利用可能な帯域幅、前記最大値と平均値、およびノイズ分散を用いて、所要のバッファサイズの値を推定し、
前記受信側のバッファサイズを推定された値に調整する、
装置。 - 前記装置は、さらに、
前記受信側が各データフレームを受信する時間及びデータフレームのサイズに応じて、前記受信側の利用可能な帯域幅を確定する帯域幅決定手段を備える、請求項6に記載の装置。 - 前記第2の閾値は10%であり、前記第1の閾値は20%である、請求項6または7に記載の装置。
- 一つ又は複数のプロセッサと、
一つ又は複数のプログラムを記憶するための記憶装置と、を備え、
前記一つ又は複数のプログラムが前記一つ又は複数のプロセッサによって実行されると、前記一つ又は複数のプロセッサに請求項1~5の何れか一つに記載の方法を実施させるデバイス。 - コンピュータプロセッサによって実行されると、請求項1~5の何れか一つに記載の方法を実行するコンピュータ実行可能なコマンドを含む記憶媒体。
- コンピュータプロセッサによって実行されると、請求項1~5の何れか一つに記載の方法を実行するコンピュータプログラム。
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CN110351595A (zh) | 2019-10-18 |
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EP3767915A1 (en) | 2021-01-20 |
KR102607561B1 (ko) | 2023-11-29 |
US11310558B2 (en) | 2022-04-19 |
US20210021895A1 (en) | 2021-01-21 |
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KR20210010822A (ko) | 2021-01-28 |
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