use the link and download the following file. all the examples and explanation is there and this is very use ful book and coding. u may change the code for ur own system i.e. frequency reuse and trafic in one cell and other parameters.
**broken link removed**
is this link is not working, then u may download the above mentiond file frm the topic
code 4 gsm/ rsource allocation in gsm.
take care.
fahad