84 search results - page 13 / 17 » Proximity Sensing Using IEEE 802.15.4 Radios |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
—The main focus of this paper is to present a performance limitation of collaborative spectrum sensing in cognitive radios with imperfect reporting channels. We consider hard dec...
SIGCOMM
2005
ACM
14 years 28 days ago
2005
ACM
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practica...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Dynamic spectrum access has been proposed as a means to share scarce radio resources, and requires devices to follow protocols that use resources in a proper, disciplined manner...
ACSAC
2004
IEEE
13 years 11 months ago
2004
IEEE
Many real-world applications use credentials such as passwords as means of user authentication. When accessed from untrusted public terminals, such applications are vulnerable to ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we consider power spectral density estimation of bandlimited, wide-sense stationary signals from sub-Nyquist sampled data. This problem has recently received attent...