,用VERILOG语言实现16QAM的数字调制的程序，已经在ISE10.1版本中调试通过

-The introduction of cellular technology greatly expanded the efficiency of frequency use of mobile phones. Rather than exclusively allocating a band of frequency to one telephone call in a large geographic area, a cell telephone breaks down a geographic area into small areas or cells. Different users in different (non-adjacent) cells are able to use the same frequency for a call without interference