compared with the number of todaya#39;s mobile cellular networks which almost always begins with millions. As the ... According to Garrard (1998: 19-20), by 1983, there existed only 150, 000 mobile telephones in the United States and the user number could not be expanded because no further ... Manual switching was eliminated as the mobile network in Germany was transformed from A- to B-Netz in 1972.
|Title||:||Technology Base of Mobile Cellular Operators in Germany and China|
|Publisher||:||Univerlagtuberlin - 2007|