JP5542618B2 - 車両環境に関連するメッセージをブロードキャストするための方法 - Google Patents
車両環境に関連するメッセージをブロードキャストするための方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
- H04H60/78—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by source locations or destination locations
- H04H60/80—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by source locations or destination locations characterised by transmission among terminal devices
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
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Description
Claims (8)
- ノードのネットワークを使用して、車両環境に関連するメッセージをブロードキャストするための方法であって、各前記ノードは、車両内に配置される送受信機およびプロセッサを含み、前記ネットワークの帯域幅は、1つの制御チャネル(CCH)および複数のサービスチャネル(SCH)に区画され、時間は、交互の制御チャネルインターバル(CCHI)およびサービスチャネルインターバル(SCHI)に区画され、該方法は、
ソースノードによって、前記SCHIの間の前記車両環境におけるイベントの検出に応答して、該イベントに関連するメッセージをブロードキャストするステップであって、該メッセージは、前記ソースノードによって前記メッセージをブロードキャストするのに最初に使用される現在のチャネルおよび次に使用される次のチャネルを指定する、ブロードキャストするステップと、
中継ノードのセットにおいて前記メッセージを受信するステップであって、該メッセージを受信する各中継ノードは、
前記SCHIの間に、前記CCH上または前記メッセージ内に指定されていない任意のチャネル上で前記メッセージを再ブロードキャストするステップをさらに実施する、受信するステップと、
を含む方法。 - 前記ネットワークは、車両環境無線アクセス(WAVE)標準規格に従って設計され、該標準規格は、IEEE802.11p標準規格およびIEEE P1609標準規格を含む請求項1に記載の方法。
- 前記ネットワークは、中広域連続無線通信インタフェース(CALM)標準規格に従って設計される請求項1に記載の方法。
- 前記イベントは、生命の安全に関連する請求項1に記載の方法。
- 前記メッセージを一意に識別するステップと、
前記メッセージが以前に受信されていない場合にのみ該メッセージを再ブロードキャストするステップと、
をさらに含む請求項1に記載の方法。 - 前記再ブロードキャストするステップは、
現在のチャネルおよび次のチャネルによって指定されていないチャネル上で前記メッセージを再ブロードキャストするステップをさらに含む請求項1に記載の方法。 - 再ブロードキャストが必要とされているか否かを判断するために、再ブロードキャスト評価を実施するステップをさらに含む請求項1に記載の方法。
- 再ブロードキャストするための前記チャネルは、ランダムに選択される請求項6に記載の方法。
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US12/629,414 US8995327B2 (en) | 2009-12-02 | 2009-12-02 | Broadcasting messages in multi-channel vehicular networks |
US12/629,414 | 2009-12-02 |
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JP2011120232A JP2011120232A (ja) | 2011-06-16 |
JP5542618B2 true JP5542618B2 (ja) | 2014-07-09 |
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Cited By (1)
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