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Optimal Routing View routing as\global\ optimization problem Assumptions: The cost of using a link is a function of the flow on that link The total network cost is the sum of the link costs The required traffic rate between each source-destination pair is known in advance Traffic between source-destination pair can be split along multiple paths with infinite precision
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仪器控制的基本概念 LabVIEW与仪器通信的通行证—— VISA LabVIEW进行仪器控制实例 串口通信
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A packet switch consists of a routing engine(table look-up), a switch scheduler, and a switch fabric. The routing engine looks-up the packet address in a routing table and determines which output port to send the packet. Packet is tagged with port number The switch uses the tag to send the packet to the proper output port Eytan Modiano
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西安电子科技大学:《无线通信理论》课程教学资源(教案讲义)Lecture 9 多用户MIMO
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西安电子科技大学:《无线通信理论》课程教学资源(教案讲义)Lecture 8 多天线分集复用折中
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西安电子科技大学:《无线通信理论》课程教学资源(教案讲义)Lecture 7 MIMO容量与多天线复用技术
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西安电子科技大学:《无线通信理论》课程教学资源(教案讲义)Lecture 6 MIMO信道模型
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Carrier Sense Multiple Access(CSMA) In certain situations nodes can hear each other by listening to the channel “Carrier Sensing CSMA: Polite version of Aloha Nodes listen to the channel before they start transmission Channel idle=> Transmit Channel busy = Wait (join backlog) When do backlogged nodes transmit? When channel becomes idle backlogged nodes attempt transmission with probability q=1 Persistent protocol, q=1 Non-persistent protocol,< 1
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西安电子科技大学:《无线通信理论》课程教学资源(教案讲义)Lecture 4 衰落信道容量
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西安电子科技大学:《无线通信理论》课程教学资源(教案讲义)Lecture 3 蜂窝系统与干扰分集
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