Sensor network connectivity with multiple directional antennae of a given angular sum

B Bhattacharya, Y Hu, Q Shi… - … on Parallel & …, 2009 - ieeexplore.ieee.org
We investigate the problem of converting sets of sensors into strongly connected networks of
sensors using multiple directional antennae. Consider a set S of n points in the plane …

Connectivity trade-offs in 3d wireless sensor networks using directional antennae

E Kranakis, D Krizanc, A Modi… - … International Parallel & …, 2011 - ieeexplore.ieee.org
We consider a 3D antenna orientation problem for maintaining connectivity of a wireless
network in 3D space using only directional antennae. Sensors are located at points in 3D …

Maintaining connectivity in sensor networks using directional antennae

E Kranakis, D Krizanc, O Morales - Theoretical Aspects of Distributed …, 2011 - Springer
Connectivity in wireless sensor networks may be established using either omnidirectional or
directional antennae. The former radiate power uniformly in all directions while the latter …

Strong connectivity in sensor networks with given number of directional antennae of bounded angle

S Dobrev, E Kranakis, D Krizanc, J Opatrny… - Discrete Mathematics …, 2012 - World Scientific
Traditional approaches to connectivity in sensor networks are based on the omnidirectional
antenna model which relies on the assumption that the sensors send and receive in all …

The impact of antenna orientation on wireless sensor network performance

M Wadhwa, M Song, V Rali… - 2009 2nd IEEE …, 2009 - ieeexplore.ieee.org
In this paper, we investigate the impact of antenna orientation on the performance of
wireless sensor networks. In the experiments conducted using Crossbow MicaZ motes we …

Symmetric connectivity in wireless sensor networks with directional antennas

T Tran, MK An, DT Huynh - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
In this paper, we study the Antenna Orientation (AO) problem concerning symmetric
connectivity in Directional Wireless Sensor Networks. We are given a set of nodes each of …

Communication in wireless networks with directional antennas

I Caragiannis, C Kaklamanis, E Kranakis… - Proceedings of the …, 2008 - dl.acm.org
We study the problem of maintaining connectivity in a wireless network where the network
nodes are equipped with directional antennas. Nodes correspond to points on the plane and …

A collision-free scheduling scheme for sensor networks arranged in linear topologies and using directional antennas

T Karveli, K Voulgaris, M Ghavami… - … Conference on Sensor …, 2008 - ieeexplore.ieee.org
Directional antennas have the potential to enhance the performance of wireless networks.
However, exploiting their capabilities requires channel access schemes specifically …

Symmetric connectivity in WSNs equipped with multiple directional antennas

T Tran, MK An, DT Huynh - 2017 international conference on …, 2017 - ieeexplore.ieee.org
This paper concerns wireless sensor networks (WSNs) of which each node is equipped with
k≥ 1 directional antennas having beam-width θ∈(0, 2π). The sum φ k of the beam-widths of …

Energy efficient communications in ad hoc networks using directional antennas

A Spyropoulos, CS Raghavendra - Proceedings. Twenty-First …, 2002 - ieeexplore.ieee.org
Directional antennas can be useful in significantly increasing node and network lifetime in
wireless ad hoc networks. In order to utilize directional antennas, an algorithm is needed …