Inacon - GPRS from A to Z
Probably the best technical books around 3GPP technologies are made by Inacon. This one describes GPRS from A - Z
It is quite in big in size as it is a scanned version of the real book. It is in full colour.
http://rapidshare.com/files/26004451...to_Z.part1.rar
http://rapidshare.com/files/26004451...to_Z.part2.rar
Password: 1nacon
other Inacon resources can be found here..
Inacon - HSUPA Design Details and System Engineering
http://www.finetopix.com/showthread.php?t=4520
Inacon - HSDPA Design Details and Systems Engineering
http://www.finetopix.com/showthread.php?t=4347
Inacon - UMTS Network Troubleshooting and Optimization
http://www.finetopix.com/showthread.php?t=4381
Inacon - UMTS Signaling & Protocol Analysis
http://www.finetopix.com/showthread.php?t=4566