17 search results - page 4 / 4 » Authentication and Payment in Future Mobile Systems |
GLOBECOM
2009
IEEE
13 years 9 months ago
2009
IEEE
Adoption of relay stations has been commonly accepted as a key technique for future IMTadvanced 4G systems to improve the link performance. While study in relay systems is often c...
IJNSEC
2006
13 years 5 months ago
2006
The third-generation (3G) mobile communication systems provide great coverage, complete subscriber management and nearly universal roaming. Nevertheless, 3G systems are subject to...