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MOBIHOC
2009
ACM
14 years 9 months ago
Multi-sector antenna performance in dense wireless networks
Sectorized antennas provide an attractive solution to increase wireless network capacity through higher spatial reuse. Despite their increasing popularity, the real-world performa...
Henrik Lundgren, Anand Prabhu Subramanian, Theodor...
AINA
2007
IEEE
14 years 3 months ago
A Testbed with a Practical Smart Antenna for Directional MAC Protocols in Ad hoc Networks
Recently, several MAC protocols using directional antennas have been proposed for ad hoc networks, which are mainly evaluated by computer simulations. This paper develops a MAC pr...
Hikaru Mitsuhashi, Masahiro Watanabe, Sadao Obana,...
MOBISYS
2007
ACM
14 years 8 months ago
MobiSteer: using steerable beam directional antenna for vehicular network access
In this work, we investigate the use of directional antennas and beam steering techniques to improve performance of 802.11 links in the context of communication between a moving v...
Vishnu Navda, Anand Prabhu Subramanian, Kannan Dha...
TWC
2010
13 years 3 months ago
Rex: A randomized EXclusive region based scheduling scheme for mmWave WPANs with directional antenna
Millimeter-wave (mmWave) transmissions are promising technologies for high data rate (multi-Gbps) Wireless Personal Area Networks (WPANs). In this paper, we first introduce the con...
Lin X. Cai, Lin Cai, Xuemin Shen, Jon W. Mark
MOBICOM
2010
ACM
13 years 8 months ago
Directional antenna diversity for mobile devices: characterizations and solutions
We report a first-of-its-kind realization of directional transmission for smartphone-like mobile devices using multiple passive directional antennas, supported by only one RF chai...
Ardalan Amiri Sani, Lin Zhong, Ashutosh Sabharwal