1773 search results - page 247 / 355 » High-level power estimation |
JSAC
2007
13 years 10 months ago
2007
Abstract— In this paper we study the effects of practical pilotassisted channel state estimation on the achievable information theoretic data rates (uplink and downlink) in a mul...
TWC
2008
13 years 10 months ago
2008
A multiple antenna downlink channel where limited channel feedback is available to the transmitter is considered. In a vector downlink channel (single antenna at each receiver), th...
TIT
2002
13 years 10 months ago
2002
Abstract--We show that very large bandwidths on fading multipath channels cannot be effectively utilized by spread-spectrum systems that (in a particular sense) spread the availabl...
TIT
2002
13 years 10 months ago
2002
We consider direct sequence code division multiple access (DS-CDMA), modeling interference from users communicating with neighboring base stations by additive colored noise. We con...
JCM
2010
13 years 8 months ago
2010
— This paper presents a resource-efficient protocol for opportunistic routing in delay-tolerant networks (DTN). First, our approach exploits the context of mobile nodes (speed, ...