Volume 23 (2023)
Volume 22 (2022)
Volume 21 (2021)
Volume 20 (2020)
Volume 19 (2019)
Volume 18 (2018)
Volume 17 (2017)
Volume 16 (2016)
Volume 15 (2015)
Volume 14 (2014)
Volume 13 (2013)
Volume 12 (2012)
Volume 11 (2011)
Volume 10 (2010)
Volume 9 (2009)
Volume 8 (2008)
Volume 7 (2007)
Volume 6 (2006)
Volume 5 (2005)
Volume 4 (2004)
Communication
Design of Ultra Dense WDM Optical Communication System to Reduce Signal Impairments Using DCF and Repeater Techniques

Dina S Akram; Haydar M. AL-Tamimi

Volume 23, Issue 3 , September 2023, , Page 90-103

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.3.8

Abstract
  Linear and non-linear impairments are the major problems that affected the dense wavelength division multiplexing (DWDM) system performance. In this simulation designs, two different compensation techniques have been proposed to eliminate signal impairments. The repeater technique was ...  Read More ...

Communication
Review: Dual Method Cryptography and Steganography in Video Frames in IoT

Rawia Abdullah Muhammed; Maisa'a Abid Ali Al-Dabbas; Ashwak Mahmood Alabaichi

Volume 23, Issue 3 , September 2023, , Page 139-155

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.3.12

Abstract
  The Internet of things (IoT) is one of those emerging technologies, which aregoing to rule the world in the next few decades. The IoT environment not only enablesHuman to Machine interaction but also fosters Machine to Machine connectivity.Numerous IoT devices have poor security and insufficient computing ...  Read More ...

Communication
Enhancement of a Two Thresholds sensing system by Segmentation of Confused Regions

Bushra T. Hashim; Hadi T. Ziboon; Sinan M. Abdulsatar

Volume 23, Issue 2 , June 2023, , Page 83-94

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.2.7

Abstract
  A new technique called cognitive radio seeks to utilize the available spectrum.. Spectrum sensing is the fundamental cognitive radio component. There are many types of sensing spectrums, one of which is The Two Thresholds Based on Covariance Absolute Values (TTCAV) method. This method's confused region, ...  Read More ...

Communication
Spectral And Energy Efficiency Analysis For Beamforming Optimization Objectives For Wireless Massive MIMO Systems

Zaid Hashim Jaber; Dheyaa Jasim Kadhim; Ahmed Sabah Al-Araji

Volume 23, Issue 1 , March 2023, , Page 10-22

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.1.2

Abstract
  Massive Multiple-Input Multiple-Output (MIMO) is an extension of the conventional MIMO in the wireless systems which improves both of the access density and the spectral efficiency by adding a massive number of antenna array at the base station (BS). Massive MIMO increases the spectral efficiency by ...  Read More ...

Communication
Interference Effect Evaluation with Radio Over Fiber In 5G Mobile System

Khasraw A. Abdulrahman; Jalal J Hamad Ameen

Volume 23, Issue 1 , March 2023, , Page 84-94

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.1.7

Abstract
  The fifth generation (5G) of mobile technology is emerging as a advance communication network, delivering elevated speeds, coverage and reliability, this technology like other technologies not clear from drawbacks and limitations, 5G mobile system like other mobile systems 4G, 3G and 2G affected by interference ...  Read More ...

Communication
Performance Evaluation of 64 x 64 c Node-B Antenna Beamforming for 5G Mobile System

Akam Hussein Hasan; Jalal J Hamad Ameen

Volume 23, Issue 1 , March 2023, , Page 95-103

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.1.8

Abstract
  Since the need for larger data rates and wireless system radio networks has increased, several organizations in this industry have started to develop and implement their 5G mobile technology scenarios. Since mobile telecommunications' quick expansion has motivated companies to constantly plan and work ...  Read More ...

Communication
Review on Fractal Video and Image Compression Techniques

Baydaa Sh. Z. Abood; Hanan A. R. Akkar; Amean Sh. Al-Safi

Volume 23, Issue 1 , March 2023, , Page 132-142

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.1.11

Abstract
  Compression of images process is a step in the image processing. It is concerned with the transmission and storage of digitally created images. Fractal coding is a potential image and video compression approach with good reconstruction fidelity and relatively large compression ratios, because of its ...  Read More ...

Communication
A Review of Modern and Recent Studies on the Low-Density Parity-Check Technology Approach

Noora Nazar kamal; Qusay F. Al-Doori; Omar Alani

Volume 23, Issue 1 , March 2023, , Page 165-178

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.1.13

Abstract
  Data theory coding is an excellent and well-known branch of study that has produced various crucial solutionsto the insoluble challenges of safe data transfers. Last improvements in detecting error techniques have resulted in a significant increase in the use of low-density parity-check (LDPC) code to ...  Read More ...

Communication
D-GIFT: Cryptography Algorithm Development Using Dynamic DNA and A Chaos Map

Ghada K. Emad; Soukaena Hassan Hashiem

Volume 23, Issue 1 , March 2023, , Page 189-197

https://doi.org/https://doi.org/10.33103/uot.ijccce.23.1.15

Abstract
  Recently, the growth of data transmission through various networks has the necessity for an elevated level of security. Encryption is one of the essential technologies for protecting and ensuring the integrity of IoT devices. Secure communication among constrained devices is critical during data transmission ...  Read More ...

Communication
Collision Prediction Based on Vehicular Communication System

Abdulqader Falhi Jabbar; Rana Fareed Ghani; Asia Ali Salman

Volume 22, Issue 3 , September 2022, , Page 72-80

https://doi.org/https://doi.org/10.33103/uot.ijccce.22.3.7

Abstract
  Road traffic accidents are one of the leading causes of mortality globally. Reducing the number of traffic-related incidents has become a serious socio-economic and public health problem, given the ever-increasing number of cars on the road. As a result, this paper proposes an intelligent vehicle prediction ...  Read More ...

Communication
PAPR Reduction for Different O-OFDM in VLC Using -Law Companding and Convolutional Encoder

Samir M. Hameed; Sinan M. Abdulsatar; Atheer Alaa Sabri

Volume 22, Issue 2 , June 2022, , Page 13-26

https://doi.org/https://doi.org/10.33103/uot.ijccce.22.2.2

Abstract
  Researchers have extensively utilized optical orthogonal frequency division multiplexing (O-OFDM) in visible light communication (VLC) to achieve high data rate transmission for free spectrum bandwidth. The peak-to-average power ratio (PAPR) is the critical challenge for VLC systems-based O-OFDM that ...  Read More ...

Communication
Auto-Correction Model for Lip Reading System

Nada Hussain; Matheel Abdulmunim; Akbas Ezaldeen Ali

Volume 22, Issue 1 , March 2022, , Page 63-71

https://doi.org/https://doi.org/10.33103/uot.ijccce.22.1.7

Abstract
  Auto-Correction is the process of correcting a misspelled word typed by the user as an application of automated translation process. lip-reading is the process of recognizing the words through processing and observing the visual lip movement of a speaker’s talking without any audio input. Although ...  Read More ...