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整个无线通信演示系统由ABCD四个节点组成，根据硬件前端的实现，每个节点在收到与自己地址对应的数据包时触发同步信号，所以就需要一个中心节点来进行同步触发，本系统中以A节点为中心节点，B、C、D三个节点地位对等。A节点周期性的广播同步信息，从而实现四个节点的同步。A节点连接一台PC机，用来监视网络的情况并显示从其它节点发送过来的图像流信息。该软件可以实时对串口进行监听并显示A节点的路由表、网络的时隙表和吞吐量，实时获得B、C、D三个节点的图像流数据。-The wireless communica
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GPRS is part of the evolution path towards
3G. This paper investigates the effect of user mobility
on packet transmission in GPRS. A simulator was
developed to study the end-to-end behaviour of data
transmission between a mobile client and a
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This paper introduces a message forwarding algorithm for search applications within mobile ad hoc networks that is based on the concept of selecting the nearest node from a set of designated nodes. The algorithm, which is called Minimum Distance Pack
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In this paper we simulate a multi-hop self-organizing wireless
sensor network. The purpose of the simulation is to investigate,
quantitatively, the performance of our self-organizing network
design. In particular, we examine such parameters as
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In AODV, routes are discovered in an on-demand basis and are maintained as long as they are required. Like DSDV it maintains a sequence number, which it increases each time it finds a change in the topology of its neighborhood. This sequence number e
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