405 search results - page 57 / 81 » Securing cognitive radio networks |
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
APNOMS
2006
Springer
14 years 20 days ago
2006
Springer
In Ad hoc networks, malicious nodes can enter in radio transmission range on the routing path and disrupt network activity. Therefore, protecting from intrusion of malicious node a...
PERCOM
2010
ACM
13 years 7 months ago
2010
ACM
—This paper presents a Secure Code Update (SCU) system for Wireless Sensor Networks (WSNs). This solution achieves different security goals. First, through a dedicated authentica...
IIWAS
2008
13 years 10 months ago
2008
In mobile commerce, short-message-service (SMS) is an important technique for delivering payment instruction. A payment model "SMS Credit" was proposed earlier [1]. Such...
INFOCOM
2012
IEEE
11 years 11 months ago
2012
IEEE
Cognitive radio gives users the ability to switch channels and make use of dynamic spectral opportunities. However, switching channels takes time, and may disrupt the quality of a...