As wireless networks take ever-bigger bites out of the $350 billion dollar telephone market, they create their own performance problems. International customers require global networks; more customers mean bigger networks; new services create more complicated networks. Then there’s “changing out” the network; each time a provider introduces a new technology or capability, it has to do so without interrupting service delivery to existing customers. Here is realistic advice on metrics, troubleshooting methods, design guidelines, revenue assurance, and more, from a team that has performed the same services for AT&T Wireless, Nextel, and Verizon. Key Features: � Design rules of thumb � How to move from TDMA to GSM � Optimization options for mobile data � Hardcore engineering problems like prepaid services and roamer validation

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Clint Smith (Warwick NY) is Vice President of Communications Consulting Services, where he is currently designing 3G migration solutions for some of the world’s best-known telcos. He was previously Director of Engineering for Verizon Mobile, and is the co-author of 3G Wireless Networks. Curt Gervelis (Arlington VA) is Director of Engineering for Nextel’s 3G group. He was previously Director of Network Engineering for TeleCorp PCS.

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