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With the development of wireless communication, industrial wireless sensornetworks (IWSNs) plays an important role in monitoring and control systems. Inthis paper, we extend the application of IWSNs into High Frequency Surface-WaveRadar (HFSWR) system. The traditional antenna is replaced by mobile IWSNs. Incombination of the application precondition of super-directivity in HF band andcircular topology of IWSNs, a super-directivity synthesis method is presentedfor designing super-directivity array. In this method, the dominance ofexternal noise is ensured by constraining the Ratio of External to InternalNoise (REIN) of the array, and the desired side lobe level is achieved byimplementing linear constraint. By using this method, the highest directivitywill be achieved in certain conditions. Using the designed super directivecircular array as sub-arrays, the compact receive antenna array is constructed,the purpose of miniaturization is achieved. Simulation verifies that theproposed method is correct and effective, the validity of the proposed methodhas been proved.

Optimal Design of Compact Receive Array in Industrial Wireless Sensor Networks