Smart Antennas for Wireless Communications: IS-95 and Third Generation CDMA Applications
Smart Antennas for Wireless Communications: IS-95 and Third Generation CDMA Applications
Using directional antennas for medium access control in ad hoc networks
Proceedings of the 8th annual international conference on Mobile computing and networking
VOR base stations for indoor 802.11 positioning
Proceedings of the 10th annual international conference on Mobile computing and networking
Algorithmic aspects of communication in ad-hoc networks with smart antennas
Proceedings of the 7th ACM international symposium on Mobile ad hoc networking and computing
MobiSteer: using steerable beam directional antenna for vehicular network access
Proceedings of the 5th international conference on Mobile systems, applications and services
A phased array antenna testbed for evaluating directionality in wireless networks
MobiEval '07 Proceedings of the 1st international workshop on System evaluation for mobile platforms
A measurement study of inter-vehicular communication using steerable beam directional antenna
Proceedings of the fifth ACM international workshop on VehiculAr Inter-NETworking
Revamping the IEEE 802.11a PHY simulation models
Proceedings of the 11th international symposium on Modeling, analysis and simulation of wireless and mobile systems
On the effectiveness of switched beam antennas in indoor environments
PAM'08 Proceedings of the 9th international conference on Passive and active network measurement
Ad hoc networking with directional antennas: a complete system solution
IEEE Journal on Selected Areas in Communications
Multi-sector antenna performance in dense wireless networks
Proceedings of the tenth ACM international symposium on Mobile ad hoc networking and computing
Interference mitigation in WiFi networks using multi-sector antennas
Proceedings of the 4th ACM international workshop on Experimental evaluation and characterization
Practical beamforming based on RSSI measurements using off-the-shelf wireless clients
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
Power-efficient directional wireless communication on small form-factor mobile devices
Proceedings of the 16th ACM/IEEE international symposium on Low power electronics and design
Design and experimental evaluation of multi-user beamforming in wireless LANs
Proceedings of the sixteenth annual international conference on Mobile computing and networking
Pushing the envelope of indoor wireless spatial reuse using directional access points and clients
Proceedings of the sixteenth annual international conference on Mobile computing and networking
Directional antenna diversity for mobile devices: characterizations and solutions
Proceedings of the sixteenth annual international conference on Mobile computing and networking
The myth of spatial reuse with directional antennas in indoor wireless networks
PAM'10 Proceedings of the 11th international conference on Passive and active measurement
ADAM: an adaptive beamforming system for multicasting in wireless LANs
IEEE/ACM Transactions on Networking (TON)
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Sectorized antennas can increase wireless network capacity through greater spatial reuse. Despite their increasing popularity, their real-world performance characteristics in dense wireless mesh networks are not well understood. This paper conducts a systematic experimental study on a mesh network testbed using commodity 802.11 hardware and multi-sector antennas. Our study results in the following main observations. (i) Sector selection should be based on explicit measurement in all sectors, though the measurement overhead can be significantly reduced by exploiting spatio-temporal characteristics of the best sector. (ii) Multi-sector activation typically reduces the signal strength of a link compared to single sector activations due to antenna design constraints. (iii) Spatial reuse is constrained by characteristics of antenna radiation pattern in different sectors (iv) Physical layer capture reduces the effect of directional hidden terminal problem. Finally, we discuss the implications of these observations on the design of practical directional MAC and topology control protocols.