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   移动adhoc网络(manet) 的翻译结果: 查询用时:0.27秒
图标索引 分词
移动
adhoc
网络
manet
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以下是整句翻译结果,是否逐词翻译

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  相似匹配句对
    Key Management for Mobile Ad Hoc Networks
    移动Adhoc网络中的密钥管理
短句来源
    The QoS Crucial Technology of Mobile Ad Hoc Network
    移动AdHoc网络的QoS关键技术
短句来源
    Security Holes of Mobile ad hoc Networks and Protective Measures
    移动adhoc网络的安全漏洞及对策
短句来源
    Firstly Ad Hoc wireless mobile networks and mobile agent technology are introduced.
    介绍了AdHoc无线移动网络移动代理技术。
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    Network Data
    网络
短句来源
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The approach to employ smart antennas in mobile ad hoc network (MANET) nodes is presented, and an adaptive beamforming CSMA/CA protocol (ABF-CSMA/CA) is proposed. In ABF-CSMA/CA, RTS/CTS dialogue is used to distribute channel reservation information. Training sequences are placed in RTS and CTS packets, so the temporal reference beamforming (TRB) can be performed by the source node and the destination node. An improved virtual carrier-sense mechanism is also proposed to enhance collision avoidance (CA) and obtain...

The approach to employ smart antennas in mobile ad hoc network (MANET) nodes is presented, and an adaptive beamforming CSMA/CA protocol (ABF-CSMA/CA) is proposed. In ABF-CSMA/CA, RTS/CTS dialogue is used to distribute channel reservation information. Training sequences are placed in RTS and CTS packets, so the temporal reference beamforming (TRB) can be performed by the source node and the destination node. An improved virtual carrier-sense mechanism is also proposed to enhance collision avoidance (CA) and obtain efficient space division multiple access (SDMA). In this scheme, every node has two kinds of network allocation vector (NAV). An oNAV maintains the interval of ongoing transmission of neighbors whose smart antennas operate in omnidirectional mode, and multiple bNAVs maintain those intervals of neighbors whose smart antennas operate in beamforming mode. Theoretical analysis of channel utilization is presented. Results show that ABF-CSMA/CA protocol combining with smart antennas can provide higher channel utilization.

对智能天线在移动AdHoc网络 (MANET)中的应用进行研究 .提出了自适应波束形成CSMA/CA(ABF CSMA/CA)协议 .该协议利用RTS/CTS对话实现信道预约 ;在RTS与CTS分组中设置了训练序列 ,收发节点的智能天线基于训练序列进行自适应波束形成以传输数据分组与ACK .提出改进的“虚拟载波监测”机制进行冲突避免(CA) .每个节点中设置两类网络分配矢量 (NAV ) ,用一个oNAV记录邻节点以全向模式占用信道的时间 ,用多个bNAV分别记录各邻节点以波束形成模式传输分组的时间 .推导了信道利用率的近似计算公式并进行了仿真 ,考察了节点传输距离、训练序列长度及天线模式切换时间对网络性能的影响 .结果表明 ,ABF CSMA/CA协议与智能天线的结合能有效实现信道的空分复用 (SDMA) ,显著提高整个网络的信道利用率 .

The mobile Ad Hoc network(MANET) is a self-organizing、self-configuring、multihop wireless network,which has such features as the mobility of nodes,the dynamical change of network structure,the limited resources etc.Therefore,designing for routing protocol of MANET faces big challenges.An adaptive selected routing protocol(ASR) for MANET,based on the position information of nodes provided by the global positioning system(GPS),is presented in this article.ASR is adaptive to the network's density,insensitive to...

The mobile Ad Hoc network(MANET) is a self-organizing、self-configuring、multihop wireless network,which has such features as the mobility of nodes,the dynamical change of network structure,the limited resources etc.Therefore,designing for routing protocol of MANET faces big challenges.An adaptive selected routing protocol(ASR) for MANET,based on the position information of nodes provided by the global positioning system(GPS),is presented in this article.ASR is adaptive to the network's density,insensitive to the node's mobility and the structure change,able to control the network resources' consumption effectively,less required to the maintenance overhead for routing.

移动AdHoc网络MANET是一个自主组织、自主配置、多跳的无线网络 ,它具有结点移动、网络结构动态变化、网络资源有限等特点。因此 ,设计MANET的路由协议很富挑战性。本文提出一个由GPS支持的基于结点位置信息的自适应受限路由协议ASR。协议能适应不同的网络疏密度 ,对结点的移动和结构变化不敏感 ,能有效减少信道资源占有及路由维护开销。

The MAC protocol for supporting the application of smart antennas in the mobile Ad Hoc network(MANET) is studied. An adaptive beamforming CSMA/CA protocol (ABFCSMA/CA) is proposed. In ABFCSMA/CA, the RTS/CTS dialogue is used and training sequences are transmitted just before RTS and CTS packets, so the temporal reference beamforming (TRB) can be performed. An improved virtual carriersense mechanism is also proposed to enhance collisioin avoidance (CA) and obtain efficient space division multiple access (SDMA)....

The MAC protocol for supporting the application of smart antennas in the mobile Ad Hoc network(MANET) is studied. An adaptive beamforming CSMA/CA protocol (ABFCSMA/CA) is proposed. In ABFCSMA/CA, the RTS/CTS dialogue is used and training sequences are transmitted just before RTS and CTS packets, so the temporal reference beamforming (TRB) can be performed. An improved virtual carriersense mechanism is also proposed to enhance collisioin avoidance (CA) and obtain efficient space division multiple access (SDMA). In this scheme, every node has two kinds of network allocation vector(NAV)—oNAV and bNAV. A theoretical analysis of channel utilization is presented. Results show that the ABFCSMA/CA protocol can support the application of smart antennas effectively and provide higher channel utilization.

对智能天线在移动AdHoc网络(MANET)中的应用进行了研究.提出了自适应波束形成CSMA/CA(ABF CSMA/CA)协议.该协议利用RTS/CTS短分组对话实现信道预约,在RTS与CTS分组前设置了训练序列,收发节点的智能天线基于训练序列进行波束形成以传输数据分组与ACK.提出改进的"虚拟载波监测"机制进行冲突避免(CA).每个节点中设置两类网络分配矢量(NAV),用一个oNAV记录邻节点以全向模式占用信道的时间,用多个bNAV分别记录各邻节点以波束形成模式传输分组的时间.推导了信道利用率的近似计算公式并进行了仿真.结果表明,ABF CSMA/CA协议与智能天线的结合能够有效实现信道的空分复用(SDMA),显著提高网络的信道利用率.

 
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