14424 search results - page 31 / 2885 » Modeling Radio Networks |
INFOCOM
2008
IEEE
14 years 3 months ago
2008
IEEE
Abstract—Radio channel quality of real-world wireless networks tends to exhibit both short-term and long-term temporal variations that are in general difficult to model. To maxi...
IWCMC
2010
ACM
13 years 11 months ago
2010
ACM
To network cognitive radios that require spectrum sensing to identify transmission opportunities emerges as a critical technology to facilitate spectrum efficient wireless communi...
PERCOM
2009
ACM
14 years 4 months ago
2009
ACM
—The primary function of a cognitive radio is to detect idle frequencies or sub-bands, not used by the primary users (PUs), and allocate these frequencies to secondary users. The...
ICUMT
2009
13 years 7 months ago
2009
In cognitive radio networks, secondary user (SU) does not have rights to transmit when the primary user (PU) band is occupied, that's why a sensing technique must be done. Rec...
ISCC
2002
IEEE
14 years 2 months ago
2002
IEEE
With reference to the General Packet Radio Service (GPRS), an extension of the Global System Mobile Communication (GSM) addressing packetoriented traffic, this paper contributes t...