载波检测阈值

Question

我希望你能帮助我如何在ns2.34中设置传输范围，我已经用距离执行了阈值程序，并且我得到了Rxthresh_值，但是我不知道如何获得CSThresh_价值？

Answer 1

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从http://mailman.isi.edu/pipermail/ns-users/2005-January/046659.html

“如何确定CPThresh，CSThresh & RXThresh”

“为了设定值，给他们你把这样的一些东西在你的 scenario_xxx.tcl文件”

# Initialize the SharedMedia interface with parameters to make 
# it work like the 914MHz Lucent WaveLAN DSSS radio interface 
Phy/WirelessPhy set CPThresh_ 10.0 
Phy/WirelessPhy set CSThresh_ 1.559e-11 
Phy/WirelessPhy set RXThresh_ 3.652e-10 
Phy/WirelessPhy set bandwidth_ 2e6 
Phy/WirelessPhy set Pt_ 0.28183815 
Phy/WirelessPhy set freq_ 914e+6 
Phy/WirelessPhy set L_ 1.0 
Phy/WirelessPhy set debug_ false 

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