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The use of cluster-based networks is a well known technique to prolong the lifetime of wireless sensor networks (WSNs). In a cluster-based network, a node can be partitioned into a number of small groups called clusters. Each cluster has a cluster-head (CH) node which transmits data collected by each member to the sink node. One of the important issues in cluster-based networks are determining the...
This paper addresses path loss prediction by means of Lee's model for Jiza town, south of Amman city, Jordan. Data were supplied by mobile operators in Jordan in the frequency band of 900 MHz. A calibration for Lee's model is done using ten different locations in Jiza town. The calibrated Lee's, Hata, and Egli's path loss models were compared with respect to the original collected data from mobile...
This paper proposes a new terrain based formula to correct propagation loss model originally proposed by Hata for the 900 MHz band. This formula consists of an estimator of the standard deviation (σ) along the measuring path in west of Amman city, Jordan. The estimator is calculated by a quadratic regression formula to reflect terrain roughness of the path taken. This estimator is used as a correction...
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