375 search results - page 7 / 75 » Accessible Capacity of Secondary Users |
LOCA
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. There is increasing interest in location-aware systems and applications. It is important for any designer of such systems and applications to understand the nature of use...
GLOBECOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Primary user emulation attack (PUEA) is a denial of service (DoS) attack unique to dynamic spectrum access (DSA) networks. While there have been studies in the literature to detect...
TCOM
2010
14 years 8 months ago
2010
Abstract—This paper considers an uplink time division multiple access (TDMA) cognitive radio network where multiple cognitive radios (secondary users) attempt to access a spect...
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GLOBECOM
2010
IEEE
14 years 8 months ago
2010
IEEE
In a cognitive radio network, the full-spectrum is usually divided into multiple channels. However, due to the hardware and energy constraints, a cognitive user (also called second...
WCNC
2010
IEEE
14 years 8 months ago
2010
IEEE
— Previous works studied the effect of many system parameters on spectrum sharing opportunities where secondary users access the spectrum of primary users. However, a parameter t...