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发表于 2005-12-6 18:53:00
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<DIV class=quote><B>以下是引用<I>cuijw</I>在2005-12-6 15:48:20的发言:</B>
<P>不太明白楼上的意思。</P>
<P>(1)的确规定了测试多少次数,比如说Freq/Phase Error,需要20个不必是连续的Burst。但问题是是不是要求这20个Burst必须都合格(每1个Burst内都合格)?</P>
for PFER , every burst should meet the standard
<P>但对于ORFS,规定中明确提出了可以200或50个Burst取平均(The spectrum analyser average over the gated period and over 200 or 50 such bursts, using numerical and/or video averaging)</P>
for Modulation spur ,200 averageing is used(from FTA report), for Switching spur, maximum value over 10 burst is taken.
<P>(2)你所说的查询寄存器,寄存器只是提示完成了TCH、PCL的信令上的切换,并不表明手机此时已经稳定工作(尤其是刚完成切换瞬间的ORFS)。这一瞬间测试结果比较差,如果先加某个延迟再测试就不会有问题,规定中只确定采多少次数值,并没有规定什么时间采集数据。</P></DIV>
infact, there is no dramatic variation for ORFS during switching in my experience, too bad result may indicates some problem with your handset, something with both hardware and software. [br]<p align=right><font color=red>+3 RD币</font></p> |
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