What is target tracking explain the target tracking in under water sensor networks?
Underwater target tracking is a process of estimating the state of the moving target by using some sensors. Acoustic sensors are usually used to obtain the observed data of the target, and these related target observation data contain uncertain interference.
What is tracking in WSN?
Tracking mobile objects in a WSN approximates the trajectory of one or more moving objects based on the information transmitted by sensor nodes. The sensor nodes collect object signatures and relay them back to the base station, only if the object is inside their sensing range.
What is the role of coordinator in wireless sensor network?
According to an aspect of the present invention, there is provided a coordinator in a wireless sensor network (WSN), the coordinator comprising: a scan unit scanning a transmitted beacon and storing information on a channel included in the beacon; a main radio interface communication unit, when it is determined that a …
Which route user queries or commands to appropriate nodes in a sensor network?
| Q. | ___________routes user queries or commands to appropriate nodes in a sensor network |
|---|---|
| B. | bridge only |
| C. | gateway only |
| D. | none of above |
| Answer» c. gateway only |
What is the core of WSN which collects data from sensors?
A WSN consists of a large number of sensor nodes that monitor and record the physical conditions of an environment, and the sensor data are collected at a so-called sink node.
Which protocol is used in WSN?
Dynamic source routing (DSR) is a routing protocol used in wireless sensor networks developed at CMU in 1996. Dynamic source routing can be reactive or on demand.
What is routing metrics in WSN?
A routing metric is a unit calculated by a routing algorithm for selecting or rejecting a routing path for transferring data/traffic. A routing metric is calculated by routing algorithms when determining the optimal route for sending network traffic.
What is Sink in WSN?
A sink node or a base station is basically a designated device similar to the normal sensor nodes but more powerful. One of the primary tasks of the sink node is to bridge a WSN with the remote users (Fig. 1).
What is base station in WSN?
1. The base station is at the upper level of the hierarchical WSN. It provides the communication link between the sensor network and the end-user. It contains the antennas and other equipment needed to allow wireless communications devices to connect with the network.
What is throughput in WSN?
An overview of the throughput and latency issues of the WSN and the cost issues of the WSN devices are presented in the following sections. Throughput and latency issues. Throughput is a measure of total units of information a system can process in a given amount of time [18].
What is the difference between IOT and WSN?
WSN consists of a network of only sensors. IOT has a gateway which can be used to connect to internetworks (having routers, switches, APs etc). WSN runs IPv4 and features a sink (not a gateway). IOT runs IPv6 in the sensor network (802.15.
What are the different types of WSN?
Different types of WSNs include:
- Terrestrial WSNs.
- Underground WSNs.
- Underwater WSNs.
- Multimedia WSNs.
- Mobile WSNs.
What is the difference between a node and a sink?
y = y0 is called a source if f(y) changes sign from – to + as y increases from just below y = y0 to just above y = y0 and is called a sink if f(y) changes sign from + to – as y increases from just below y = y0 to just above y = y0; it is called a node if there is no change in sign.