Virtual Roaming Data Services and Seamless Technology Change: GSM, LTE, WiFi, Satellite, CDMA
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“Virtual Roaming for voice and SMS” was covered in one of the author's previous book. “Virtual Roaming” means that it allows a subscriber to visit a network which his home network does not have an agreement with. The “Seamless Technology change” allows a user to keep all his services including reception of calls and SMS sent to his usual number when he switches his GSM to a Satellite phone or to WiFi. The implementation of Seamless Technology change uses the SS7 Roaming Hub and GTP Hubs technology explained in the first part of the book.
The book also contains chapters explaining in detail the steering and anti-steering of roaming, LTE Serving Mobile Location Centers, and Advanced Policy and Charging implementations in LTE and 3G.
This is to be used as an easy reference book. All the relevant references to the standards are included chapter by chapter.
This is the first book on the two main subjects of Virtual Data Roaming and Seamless Technology change.
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Arnaud Henry-Labordère is a graduate engineer from Ecole Centrale de Paris (1966), Ph.D (Mathematics, 1968). He was professor (chair of Operations Research) at Ecole Nationale des Ponts et Chaussées during 27 years as well as Ecole Nationale des Mines de Paris, he is currently visiting professor at Prism-CNRS (Versailles).
His industrial career was in parallel and started at IBM research (1967) as a mathematician working on the development of the very large mainframes of the time. He was then a senior engineer at SEMA and SESA directing various projects in the area of satellite ground segments, telecom networks, OS and language compilers. He then founded 3 telecom companies: FERMA, large voice mail, text-to-speech and voice recognition systems (1983), Nilcom, a pioneer in SMS Hubbing (1998) and Halys, mobile network equipment (2003) where he is chairman and chief scientist.
He is the author of nine books (six in mathematics, three in telecoms). He has been granted more than 180 patents.
