M. H. Samadzadeh

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Storage and retrieval of data in Wireless Sensor Networks (WSNs) have been found to be challenging issues in recent studies. The two principal approaches used in almost all proposed schemes in this field are Centralized and Decentralized. Many investigations have considered the security and communication issues in centralized schemes where a central node(More)
In Wireless Sensor Networks (WSN), interactions of sensors to provide service to a specific task is a significant issue. Services provided by WSNs include collecting data from the environment and aggregating them to address queries, or processing the collected data and using the result to adjust environmental parameters such as temperature and moisture. In(More)
— The threshold secret sharing technique has been used extensively in cryptography. This technique is used for splitting secrets into shares and distributing the shares in the network to provide protection against attacks and to reduce the possibility of loss of information. In this paper, a new approach is introduced to enhance communication security among(More)
— This research aims to study the relationship between self-esteem and perfectionism (positive-negative) in chess players. 166 chess Players were randomly selected (60 F, 106m) and replied positive and negative perfectionism scale (Trishort, Etrodowis,1995) and self-esteem (Noujent and Thomas,2001).Results of Pearson C correlation test Shows that there is a(More)