Underwater Wireless Sensor Networks (UWSNs) have a wide range of applications for monitoring the ocean and exploring offshore environment. nodes are typically dispersed throughout area interest at different depths in these networks. on seabed must use routing protocol order to communicate with surface-level nodes. The suitability assessment considers network resources, application requirements,...

TDMA protocols have attracted a lot of attention for underwater acoustic sensor networks (UWSNs), because of the unique characteristics of acoustic signal propagation such as great energy consumption in transmission, long propagation delay and long communication range. Previous TDMA protocols all allocated transmission time to nodes based on discrete time slots. This paper proposes an efficient...

Reliable data collection techniques, whose aim is to ensure that sensed are received successfully by a sink, essential for applications in Underwater Wireless Sensor Networks (UWSNs). However, traditional with Radio Frequency (RF) functions poorly UWSNs due peculiar features of underwater. Moreover, acoustic communication creates challenges the reliability such as high bit error rate, packet co...

Medium Access Control(MAC) protocol is quite important to the performance of underwater sensor networks(UWSNs). Recently, much research work has been done on the design of new MAC protocols for UWSNs to improve throughput and energy efficiency [1]–[3]. All these work is for the singlechannel network scenario. However, the fast development of underwater acoustic communication technologies enable...

Underwater wireless sensor networks (UWSNs) have become highly efficient in performing different operations oceanic environments. Compared to terrestrial (TWSNs), MAC and routing protocols UWSNs are prone low bandwidth, throughput, high energy consumption, propagation delay. located remotely do not need operate with any human involvement. In UWSNs, the majority of batteries limited very difficu...

<p class="16">Wireless underwater sensor networks (UWSNs) are used for coastal area monitoring and military applications, such as tsunami prevention target tracking. In UWSNs, jamming is considered to be a serious problem where the intruder affects lifetime of motes impacts performance packet transmission. This paper considers that jammer device capable reducing battery life preventing tr...

Appropriate network design is very significant for Underwater Wireless Sensor Networks (UWSNs). Application-oriented UWSNs are planned to achieve certain objectives. Therefore, there is always a demand for efficient data routing schemes, which can fulfill certain requirements of application-oriented UWSNs. These networks can be of any shape, i.e., rectangular, cylindrical or square. In this pap...

While self-deployment/reconfiguration of terrestrial wireless sensor networks (WSNs) has been studied extensively, such selforganization has just started to receive attention for Underwater Acoustic Sensor Networks (UWSNs). Particularly, self-deployment of sensor nodes in UWSNs is challenging due to certain characteristics of UWSNs such as three dimensional (3-D) environment, restrictions on no...

Underwater video services could be a key application in the better scientific knowledge of the vast oceanic resources in our planet. However, limitations in the capacity of current available technology for underwater networks (UWSNs) raise the question of the feasibility of these services. When transmitting video, the main constraints are the limited bandwidth and the high propagation delays. A...

The Internet of Underwater Things (IoUT) is a novel class of Internet of Things (IoT), and is defined as the network of smart interconnected underwater objects. IoUT is expected to enable various practical applications, such as environmental monitoring, underwater exploration, and disaster prevention. With these applications, IoUT is regarded as one of the potential technologies toward developi...