427 search results - page 75 / 86 » Approximately Optimal Wireless Broadcasting |
IPSN
2009
Springer
15 years 4 months ago
2009
Springer
We consider the problem of monitoring spatial phenomena, such as road speeds on a highway, using wireless sensors with limited battery life. A central question is to decide where ...
TWC
2008
14 years 10 months ago
2008
We consider a cooperative wireless network where the source broadcasts data to relays, some or all of which cooperatively beamform to forward the data to the destination. The netw...
91
Voted
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We address a lifetime maximization problem for a single-hop wireless sensor network where multiple sensors encode and communicate their measurements of a Gaussian random source...
INFOCOM
2005
IEEE
15 years 3 months ago
2005
IEEE
— Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensor network databases like TinyDB [1] are the dominant architectures...
TSP
2008
14 years 10 months ago
2008
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...