Just by taking the sensor a little farther than its 1-hop range to the root, and put a sensor between the sensor and the root. I suppose that the sensor is in 2-hop range.
aliangwjl 2007-11-17 发件人： Philip Levis 发送时间： 2007-11-16 23:51:05 收件人： aliangwjl 抄送： [EMAIL PROTECTED] forum 主题： Re: [Tinyos-help] Question about the CollectionC On Nov 16, 2007, at 10:34 AM, aliangwjl wrote: > Oh, sorry , I mean that all nodes are one-hop and messages sent by > nodes out of one hop range can not be received. > thank you very much, > > > On Nov 13, 2007, at 9:53 PM, aliangwjl wrote: > > > Dear all, > > Sorry to disturb again, I am just wondering if anyone have > > successfully run the demo in Lesson 12 of TinyOS's website or the > > TestNetwork of the CVS in the Telosb. Does it need any tricky or > > special step to configure? I find it only work for just one hop > > sensor to send message back. > > I really appreciate if someone can help, > > thank you very much. > > > > Do you mean "all nodes are one-hop" or "there are nodes that I think > should be two hops but from whom I receive no data?" > > Phil > How do you know they are in 2-hop range? Phil
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