5657 search results - page 63 / 1132 » Micropayments for Wireless Communications |
AICT
2007
IEEE
14 years 2 months ago
2007
IEEE
Based on the good time-frequency localization of the pulse shaping, it is possible to build a multicarrier modulation that reduces both narrowband interferences and multipath chan...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
—Jamming resistance is crucial for applications where reliable wireless communication is required. Spread spectrum techniques such as Frequency Hopping Spread Spectrum (FHSS) and...
PE
2002
Springer
13 years 7 months ago
2002
Springer
Many emerging mobile wireless applications depend upon secure group communications, in which data is encrypted and the group's data encryption key is changed whenever a membe...
TRIDENTCOM
2006
IEEE
14 years 2 months ago
2006
IEEE
CSMA-based MAC protocols require wireless nodes to share the transmission medium with other nodes that are within carriersensing (CS) range. Hence, operations that depend on and c...
JSAC
2008
13 years 8 months ago
2008
Abstract--It is now well known that employing channel adaptive signaling in wireless communication systems can yield large improvements in almost any performance metric. Unfortunat...