234 search results - page 8 / 47 » Multi-sector antenna performance in dense wireless networks |
TCOM
2010
13 years 5 months ago
2010
—Accurate positional information is essential for many applications in wireless networks. Time-of-arrival (TOA) and angle-of-arrival (AOA) are the two most commonly used signal m...
VTC
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract: In this paper, we consider a two-way or bidirectional communications system with a relay equipped with multiple antennas. We show that when the downlink channel state inf...
EWSN
2007
Springer
14 years 7 months ago
2007
Springer
Abstract. This paper introduces Crankshaft, a MAC protocol specifically targeted at dense wireless sensor networks. Crankshaft employs node synchronisation and offset wake-up sched...
INFOCOM
2002
IEEE
2002
IEEE
Energy-Limited Wireless Networking with Directional Antennas: The Case of Session-Based Multicasting
14 years 9 days ago
— We consider ad hoc wireless networks that use directional antennas and have limited energy resources. The performance objectives of such networks depend largely on the applicat...
UIC
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Recent experimental studies have shown that radio links between low-power devices are extremely unreliable. In particular, the instability and unpredictability of low-pow...