708 search results - page 128 / 142 » A Policy Based Framework for Access Control |
ACSC
2008
IEEE
15 years 8 months ago
2008
IEEE
While mobile computing provides a potentially vast business opportunity for many industry participants, it also raises issues such as security and performance. This paper proposes...
102
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ICC
2007
IEEE
15 years 8 months ago
2007
IEEE
— In multiuser systems, multiuser diversity gains can be achieved by assigning channels to users with higher channel quality. To avoid the extensive information exchange required...
150
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TWC
2008
15 years 1 months ago
2008
Abstract-- Multiuser diversity gains can be achieved by assigning channels to users with better channel quality in multiuser systems. To avoid the extensive information exchange re...
116
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HIPEAC
2005
Springer
15 years 7 months ago
2005
Springer
Abstract. Power efficiency has become a key design trade-off in embedded system designs. For system-on-a-chip embedded systems, an external bus interconnects embedded processor co...
119
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JSAC
2007
15 years 1 months ago
2007
Abstract— Performance analysis of multiuser orthogonal frequency division multiplexing (OFDM-TDMA) and orthogonal frequency division multiple access (OFDMA) networks in support o...