|
| Technique | Features | Achievements | Limitations |
|
| MobiL: a 3-dimensional localization scheme for mobile UWSNs [2] | Handles nodes mobility and nodes localization | Mobility model for mobile nodes, efficient node localization with less error | Large distance between ordinary nodes and reference nodes resulting in localization error |
|
| Design and implementation of a time synchronization-free distributed localization [4] | Event-driven time synchronization-free distributed localization scheme | Successful efficient nodes localization | ToA based distance estimation method is used, which causes error if delay occurs |
|
| A survey of architectures and localization techniques for UASNs [5] | Survey of UASNs and localization techniques | Briefly explaining the existing localization techniques and their drawbacks | Performance analysis of different localization methods with different mobility models is neglected |
|
| Performance evaluation of localization algorithms in large scale underwater sensor networks [6] | Comparison of ranged base and distributed localization schemes | Analysing different schemes and explaining briefly their advantages and disadvantages | Analysis of different localization methods is not performed |
|
| Localization using multilateration with RSS based random transmission directed localization [7] | RSS based efficient random transmission directed localization is introduced | RSS is used for distance estimation, multilateration technique is used for efficient nodes localization | RSS greatly is affected by channel conditions |
|
| A distance measurement wireless localization correction algorithm based on RSSI [8] | Node localization mechanism based on RSSI | Efficient correction of estimated RSSI values, efficient measuring of the coordinates of nodes, minimizing error during localization process | RSSI does not accurately localize nodes due to multipath propagation and fading effects |
|
| Minimum cost localization problem in three-dimensional ocean sensor networks [9] | Minimum localization cost and handles distance problem | Finding best anchor set to measure each node coordinate efficiently | If confidence interval threshold increases the anchor nodes selection will be affected |
|
| A multihop localization algorithm in UWSNs [10] | Multihop localization algorithm to handle the void node localization problem | Efficient mechanism for nodes localization | Not suitable for large scale applications |
|
| TDOA based target localization in inhomogeneous UWSNs [11] | TDOA based localization scheme, introduced for inhomogeneous WSNs | Achieving improved localization coverage area | Affected by channel conditions, time synchronization is very important |
|
| Scalable localization with mobility prediction for UWSNs [12] | Localization scheme for large scale applications with mobility forecasting | Efficient node mobility prediction and improved localization | High energy consumption |
|
| Impacts of deployment strategies on localization performance in UASNs [13] | Efficient node deployment strategies and their effects on localization coverage area and error are introduced | Successfully achieving larger coverage area and less error because of efficient node deployment mechanism | Localization is not very accurate |
|
| On-demand asynchronous localization for UWSNs [14] | On-demand nodes localization scheme using asynchronous anchor nodes | Successfully localizing both types of nodes passive and active | Passive nodes localization accuracy is less than the active nodes |
|
| A three-dimensional localization algorithm for UASNs [15] | Iterative and distributed nodes localization algorithm | Improved coverage area with less error | When node mobility increases the localization error increases |
|
| Localization for drifting restricted floating ocean sensor networks [16] | Efficient nodes localization scheme | Large number of nodes finding their three-dimensional coordinates successfully | Higher network deployment cost |
|
