120 search results - page 18 / 24 » Spectrum Allocation in Two-Tier Networks |
TSP
2011
13 years 2 months ago
2011
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—The provision of very high data rates in a ubiquitous and fair manner throughout the service area is a great challenge for 4G and beyond-4G wireless networks. Towards that end, ...
INFOCOM
2011
IEEE
12 years 11 months ago
2011
IEEE
—Due to the limitation of radio spectrum resource and fast growing of wireless applications, careful channel allocation is highly needed to mitigate the performance degradation o...
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
— This paper investigates distributed medium access control (MAC) to achieve rate guarantee in pulse-based timehopping ultra-wideband (UWB) wireless networks, where the inherent ...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
—The IEEE 802.22 standard for wireless regional area network is the first standard for cognitive radio that tries to harness the idle or under-utilized spectrum allocated for TV...