JP4515504B2 - 遠隔測定データのための適応的帯域幅利用 - Google Patents
遠隔測定データのための適応的帯域幅利用 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/38—Flow control; Congestion control by adapting coding or compression rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/752—Media network packet handling adapting media to network capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/326—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the transport layer [OSI layer 4]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/327—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the session layer [OSI layer 5]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/002—Telephonic communication systems specially adapted for combination with other electrical systems with telemetering systems
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Description
関連技術の説明
ネットワーク帯域幅は、大規模通信システムにおいて重要なリソースである。他のすべてのパラメータが等しいと仮定すると、ある通信システムにおいて伝搬可能なデータ量は、利用可能なネットワーク帯域幅に比例する。しかしながら、この利用可能なネットワーク帯域幅は、サービスの消失、信号障害及び妨害などの各種要因により変動しうる。
[発明の概要]
本発明は、通信ネットワークにおける帯域幅の利用を最適化する方法に関する。データクライアントに伝送されるコミュテイティッドビットストリーム(commutated bitstream)の少なくとも1つの通信パラメータの測定に応答して、コミュテイティッドビットストリームを変更することが可能である。このフォーマットの変更は、セッションレイヤ及び/又はトランスポートレイヤなどのOSI(Open Systems Interconnection)レイヤにおいて行うことが可能である。通信パラメータは、コミュテイティッドビットストリームのデータ受信時間(TRX)、データ遅延及び/又は有効受信データレート(DEFF)を含むことが可能である。通信パラメータは、データクライアントから遠隔計測装置としてのデータソースに伝送可能である。
[好適実施例の詳細な説明]
本発明による実施例は、コミュテイティッドビットストリームによりデータを送信する際、適応的かつ予測可能な帯域幅利用を提供するシステム及び方法に関する。データがデータソースからデータクライアントにより受信されると、受信時間や有効受信データレートなどのデータ伝送に係るパラメータが測定され、通信パラメータとしてデータソースに送り返される。一構成では、通信パラメータは、遠隔測定装置としてのデータソースに伝搬可能である。
Claims (6)
- 通信ネットワークにおいて帯域幅利用を調整する方法であって、
データソースからデータクライアントに送信されるコミュテイティッドビットストリームの少なくとも1つの通信パラメータの測定に応答して、データレート差分を決定するステップと、
前記データレート差分に基づき新たなコミュテイションフォーマット定義を選択するステップと、
前記新たなコミュテイションフォーマット定義により前記コミュテイティッドビットストリームをフォーマット化するステップと、
と有し、
前記少なくとも1つの通信パラメータは、前記データクライアントにより測定されるコミュテイティッドビットストリームの有効受信データレート(D Eff )を有し、
前記データレート差分は、前記有効受信データレート(D Eff )と前記データソースにより測定される送信データレート(D TX )とを比較することにより決定される方法。 - 前記通信パラメータはさらに、データ受信時間(T RX )を有し、
当該方法はさらに、
データ遅延を決定するため、前記データ受信時間(TRX)と前記データ送信時間(TTx)とを比較するステップと、
前記データ遅延に基づき、前記新たなコミュテイションフォーマット定義を選択するステップと、
を有する、請求項1記載の方法。 - 前記フォーマット化するステップは、セッションレイヤとトランスポートレイヤとからなる群から選択される少なくとも1つのOSI(Open Systems Interconnection)レイヤにおいて実行される、請求項1記載の方法。
- コミュテイティッドビットストリームの少なくとも1つの通信パラメータの測定に応答して、データレート差分を決定し、前記データレート差分に基づき新たなコミュテイションフォーマット定義を選択し、前記新たなコミュテイションフォーマット定義により前記コミュテイティッドビットストリームをフォーマット化するコミュテイションエンジンを有するデータソースであって、
前記通信パラメータは、データクライアントにより測定される前記コミュテイティッドビットストリームの有効受信データレート(D Eff )を有し、
前記データレート差分は、前記有効受信データレート(D Eff )と当該データソースにより測定される送信データレート(D TX )とを比較することにより決定されるデータソース。 - 前記コミュテイティッドビットストリームをフォーマット化するためのデータソースプロセスは、セッションレイヤとトランスポートレイヤとからなる群から選択される少なくとも1つのOSI(Open Systems Interconnection)レイヤにおいて行われる、請求項4記載のデータソース。
- コミュテイションエンジンを有するデータソースと、
デ・コミュテイションエンジンを有するデータクライアントと、
を有する通信ネットワークであって、
前記データクライアントは、前記データソースから受信したコミュテイティッドビットストリームの少なくとも1つの通信パラメータを測定し、該少なくとも1つの通信パラメータを前記データソースに送信し、
前記通信パラメータは、前記コミュテイティッドビットストリームの有効受信データレート(D Eff )を有し、
前記データソースは、前記少なくとも1つの通信パラメータの受信に応答して、前記データソースは、データレート差分を決定するため、前記有効受信データレート(D Eff )と前記データソースにより測定される送信データレート(D TX )とを比較し、前記データレート差分に基づき新たなコミュテイションフォーマット定義を選択し、前記新たなコミュテイションフォーマット定義により前記コミュテイティッドビットストリームをフォーマット化する通信ネットワーク。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US10/948,035 US7782789B2 (en) | 2004-09-23 | 2004-09-23 | Adaptive bandwidth utilization for telemetered data |
PCT/US2005/033464 WO2006036632A2 (en) | 2004-09-23 | 2005-09-19 | Adaptive bandwidth utilization for telemetered data |
Publications (2)
Publication Number | Publication Date |
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JP2008514161A JP2008514161A (ja) | 2008-05-01 |
JP4515504B2 true JP4515504B2 (ja) | 2010-08-04 |
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JP2007533571A Expired - Fee Related JP4515504B2 (ja) | 2004-09-23 | 2005-09-19 | 遠隔測定データのための適応的帯域幅利用 |
Country Status (6)
Country | Link |
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US (2) | US7782789B2 (ja) |
EP (1) | EP1803242A2 (ja) |
JP (1) | JP4515504B2 (ja) |
CN (1) | CN101124758A (ja) |
CA (1) | CA2581333C (ja) |
WO (1) | WO2006036632A2 (ja) |
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