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— Power is always a major concern for mobile devices. To save precious energy, mobile devices choose to stay in a low power mode by turning off their transceivers when it is not involved with transmission. However, they need to wake up to allow packets originated from them sent and those coming to them received. This presents a challenge in the distributed(More)
—In this paper, we study deployment patterns to achieve full coverage and k-connectivity (k 6) under different ratios of the sensor communication range (denoted by R c) to the sensing range (denoted by R s) for homogeneous wireless sensor networks (WSNs). In particular, we propose new patterns for 3-and 5-connectivity. We also discover that there exists a(More)
In this paper, we study deployment patterns to achieve full coverage and <i>k</i> -connectivity <i>(k</i> &#x2264; 6) under different ratios of the sensor communication range (denoted by <i>R</i><sub>c</sub>) to the sensing range (denoted by <i>R</i><sub>s</sub>) for homogeneous wireless sensor networks (WSNs). In particular, we propose new patterns for 3-(More)
Wireless sensor networks create the platform of an extensive range of applications linked to national security, surveillance, military, health care, and environmental monitoring. One of the most imperative and elementary problems in Wireless Sensor Networks (WSNs) is the coverage problem. Network coverage of wireless sensor network means how well an area of(More)