无线网优练习题-2.doc

无线网优练习题二
一、单选题
跳频能有效地改善以下哪种现象?    C    
        
在通话模式下,网络通过    B    信道传送系统消息
      
在小区选择中,MS至少在5Min内对    A    H数据块的解码。
        
“CHANNEL REQUEST”这个消息是在    A    信道上发送的。
        
在切换中,“HANDOVER PERFORMED”这条消息是从    D    的。
        
移动台在下列哪种情况下开始可以进行切换?        
  。  。  。  。
The information contained in one timeslot on the TDMA frame is called a    B    
   channel     channel
The A-ter interface is used between these 2 nodes:    C    
  -BTS  -BSC  -BSC
Transceiver Handler (TRH) is used for    A    
   signalling   and decoding of speech and rate adaptation of data   of bits rates lower than 64kb/s
以下关于切换的描述,哪个是错的?    B    
  。  。  ,大部分切换是使移动台切往通话质量较好的小区。  。
The SS7 signaling is made up of a Massage Part(MTP)and a number of User/Application Parts(UP). What User or Application Part is used for signaling between the BSC and the MSC in the work?    B    
      
The MS is paged on an ing call in all cells within a    C    
b
     Service Area   Area
Where is paging initiated?    C    
      
What part was added to