Research Article
EM-Based High Speed Wireless Sensor Networks for Underwater Surveillance and Target Tracking
Table 2
A summary of the key features of the proposed architectures.
| Architectures | Spacing between two ENs | Spacing between two CHs | Total number of ENs and CHs | Directional receiving antennas in CHs | Information used for location estimation |
| | | | ā
| No | Location of CHs | | | | ā
| No | Location of CHs and EM power received at CHs | | | | āā
| No | Location of CHs | | | | ā
| Four directional antennas at each CH | Location of ENs contributing the strongest EM signal | | | | ā
| Eight directional antennas at each CH | Location of ENs contributing the strongest EM signal |
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