Sudhabindu Ray

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Wireless sensor network (WSN) is a special kind of ad-hoc network consists of battery powered low cost sensor nodes with limited computation and communication capabilities deployed densely in a target area. Clustering in WSN plays an important role because of its inherent energy saving capability and suitability for highly scalable network. This paper is an(More)
Most of the research in the field of ad hoc network is limited to stand-alone isolated networks. In order to facilitate the users with the huge pool of resources together with the global services available from the Internet and for widening the coverage area of the MANET there is a growing need to integrate these ad hoc networks to the Internet. For this(More)
This paper presents the design and development of linearly polarized microstrip antenna (MSA) arrays (108 elements and 296 elements) at the centre frequency of 35.5 GHz. Both corporate and series feed networks are used in these arrays to realize non-uniform excitation distribution to obtain high gain and moderate side lobe level (SLL). For the 108 element(More)
A Fuzzy logic controller is employed here for controlling a 1st order digital phase locked loop (DPLL) based on adaptive loop gain criterion. This intelligent loop is changing its loop gain to vary the loop bandwidth for providing rapid and accurate control of DPLL in the transient and steady states. This form of Fuzzy DPLL is further modified by the(More)
In this work design and optimization of EBG structure having multiple dielectric posts uniformly placed inside a rectangular waveguide is done to extract filter responses. Frequency response of BPF configuration using trained ANN model of multipost rectangular waveguide are studied and optimized using GA. The geometrical and positional dimension of post(More)
An approach is introduced in this paper where a Fuzzy logic controller is incorporated in a conventional 2nd order digital phase locked loop (DPLL). Here, one of the loop filter coefficients is controlled by Fuzzy logic controller. This form of Fuzzy DPLL is further modified by inclusion of an additional phase control in the digitally controlled oscillator(More)
Analysis of BPSK homodyne receivers based on modified dither optical phase-locked loop, " Optik-Int. Optical microwave generation using modified sideband injection synchronization with wide line-width lasers for broadband communications, " Optik-Int. Analysis of BPSK homodyne receivers based on modified balanced optical phase-locked loop in the presence of(More)