Original Research Paper Software Systems
A Multi-Aspect Semi-Automated Service Identification Method

S. Hekmat; S. Parsa; B. Vaziri

Articles in Press, Accepted Manuscript, Available Online from 25 April 2022

http://dx.doi.org/10.22061/jecei.2022.8151.526

Abstract
  Background and Objectives: Several service identification methods have been proposed to identify services using a business process-based strategy. However, these methods are still not accurate enough and adequately automated and thus need improvements. The present study addresses this gap by proposing ...  Read More

Original Research Paper Artificial Intelligence
Reinforcement Learning-based Load Controller in IP Multimedia Subsystems

M. Khazaei

Articles in Press, Accepted Manuscript, Available Online from 01 May 2022

http://dx.doi.org/10.22061/jecei.2022.8723.546

Abstract
  Background and Objectives: IP multimedia subsystems (IMS) have been introduced as the Next Generation Network (NGN) platform while considering Session Initiation Protocol (SIP) as the signaling protocol. SIP lacks a proper overload mechanism. Hence, this challenge causes decline in the multimedia QoS. ...  Read More

Original Research Paper Electronics
Feasibility of Digital Circuit Design based on Nanoscale Field-Effect Bipolar Junction Transistor

A. Shokri; M. Amirmazlaghani

Articles in Press, Accepted Manuscript, Available Online from 14 May 2022

http://dx.doi.org/10.22061/jecei.2022.8287.503

Abstract
  Background and Objectives: The Field-effect Bipolar Junction Transistor (FEBJT) is a device with a bipolar junction transistor (BJT) characteristics except that it is designed with standard CMOS technology. Therefore, it can be implemented in nanometer dimensions without the usual restrictions in fabricating ...  Read More

Original Research Paper Computer Architecture
Fast and Power Efficient Signed/Unsigned RNS Comparator & Sign Detector

Z. Torabi; Armin Belghadr

Articles in Press, Accepted Manuscript, Available Online from 25 May 2022

http://dx.doi.org/10.22061/jecei.2022.8321.505

Abstract
  Background and Objectives: Residue number system (RNS) is considered as a prominent candidate for high-speed arithmetic applications due to its limited carry propagation, fault tolerance, and parallelism in “Addition”, “Subtraction”, and “Multiplication” operations. ...  Read More

Original Research Paper Image Processing
Depth Estimation and Deblurring from a Single Image using an Optimized-throughput Coded Aperture

M. Masoudifar; H. R. Pourreza

Articles in Press, Accepted Manuscript, Available Online from 28 May 2022

http://dx.doi.org/10.22061/jecei.2022.8630.537

Abstract
  Background and Objectives: Depth from defocus and defocus deblurring from a single image are two challenging problems caused by the finite depth of field in conventional cameras. Coded aperture imaging is a branch of computational imaging, which is used to overcome these two problems. Up to now, different ...  Read More

Original Research Paper Micro Sensors
Fabrication of Micro Glass Spherical Resonator by Chemical Foaming Process (CFP)

M. Kookhaee; A. Khooshehmehri; A. Eslami Majd

Articles in Press, Accepted Manuscript, Available Online from 07 May 2022

http://dx.doi.org/10.22061/jecei.2022.8737.549

Abstract
  Background and Objectives: The Hemispherical Resonator Gyroscope (HRG) is an inertial sensor that is a good choice for space missions and inertial navigation due to their low noise, low energy consumption, long life, and excellent accuracy and sensitivity. It consists of three main parts: the shell, ...  Read More

Original Research Paper Electromagnetic
Design and fabrication of Coaxial Plasma Waveguide Filter with the ability to reconfigure the Frequency band

S.H. Mohseni Armaki; M. Tohidlo; M. Kazerooni

Articles in Press, Accepted Manuscript, Available Online from 01 June 2022

http://dx.doi.org/10.22061/jecei.2022.8668.542

Abstract
  Background and Objectives: This study aims to present a new structure based on coaxial waveguide, which can change the bandwidth, return losses, and input impedance by changing the plasma parameters of the coaxial waveguide. This structure consists of a metal body and a gas tube inside it, which uses ...  Read More

Original Research Paper Information Systems
A Novel Architecture based on Business Intelligence Approach to Exploit Big Data

M. R. Behbahani Nejad; H. Rashidi

Articles in Press, Accepted Manuscript, Available Online from 06 June 2022

http://dx.doi.org/10.22061/jecei.2022.8565.529

Abstract
  Background and Objectives: Big data is a combination of structured, semi-structured and unstructured data collected by organizations that must be stored and used for decision-making. Businesses that deal with the business intelligence system, as well as their data sources, have a major challenge in exploiting ...  Read More

Original Research Paper
Pattern Measurement of Large Antenna by Sequential Sampling Method in Cylindrical Near-Field Test

M. Karimipour

Articles in Press, Accepted Manuscript, Available Online from 25 June 2022

http://dx.doi.org/10.22061/jecei.2022.8705.544

Abstract
  Background and Objectives: Cylindrical scanning technique is a well-established indirect measurement method to characterize a wide range of antenna patterns such as fan-beam antennas and phased array antennas with versatile radiation patterns.Methods: Cylindrical scanning technique which is based on ...  Read More

Innovative Paper Electronics
Indicators for Determining Salt Harvest Time Based on Salinity and Liquid Viscosity using Microcontroller

A. Saleh; A.S. Arifin

Articles in Press, Accepted Manuscript, Available Online from 27 June 2022

http://dx.doi.org/10.22061/jecei.2022.8900.559

Abstract
  Background and Objectives: In general, traditional salt farmers determine the time to harvest salt by visiting and monitoring their salt ponds. Therefore, to assist salt farmers in determining the right time to harvest salt and determine the quality of the harvested salt, a wireless-based electronic ...  Read More