1518 search results - page 214 / 304 » Exact and Approximate Bandwidth |
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
Consider a scenario where a distributed signal is sparse and is acquired by various sensors that see different versions. Thus, we have a set of sparse signals with both some commo...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
—Taking advantage of the frequency diversity and multiuser diversity in OFDMA based wireless networks, dynamic subcarrier assignment mechanisms have shown to be able to achieve m...
INFOCOM
2008
IEEE
15 years 4 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...
WIMOB
2008
IEEE
15 years 4 months ago
2008
IEEE
—Wireless networking is currently dominated by radio frequency (RF) techniques. However, the soon-to-be ubiquity of LED-based lighting motivated by significant energy savings pro...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
– In this paper, we consider a novel spatial diversity scheme for a mutually cooperative relay (MCR) system in which two active users are simultaneously communicating with the sa...