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Venkata Raghavendra Miriampally
Associate Professor, Electrical Engineering Dept, Adama Science & Technology University, Ethiopia.
Computer Science & IT

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Journal : International Journal of Informatics and Communication Technology (IJ-ICT)

 1 
2D Optical Fiber Wave Guide Design for Multi Haul Applications Venkata Raghavendra Miriampally
International Journal of Informatics and Communication Technology (IJ-ICT) Vol 5, No 3: December 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (709.6 KB) | DOI: 10.11591/ijict.v5i3.pp94-105

Abstract

The optical communications had an exponential growth over the last few years, having a significant commercial market in optical systems and components. This growth has been extended across all application areas, from transcontinental and transoceanic distances to regional networks and lastly to campus and building wiring. This paper basically explains the concept of Optical fiber communication, the propagation of light inside the fiber and mainly the two dimensional design of optical fiber itself. The researcher discusses the parameters such as effective group delay, dispersion. Modes, Bending Loss, Material Loss, Mode field, Birefringence, Splice Loss, Polarization Mode Dispersion (PMD), Effect of nonlinear Refractive Index. Finally we design the optical fiber with all the above mentioned parameters.
Determination of Number of Channels in Multiple Access Techniques for Wireless Communications Venkata Raghavendra Miriampally; G. Subba Rao; V Sudheer Raja
International Journal of Informatics and Communication Technology (IJ-ICT) Vol 4, No 1: April 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (401.381 KB) | DOI: 10.11591/ijict.v4i1.pp1-6

Abstract

In wireless communications system, it is desirable to allow the subscriber to send simultaneously information to the base station while receiving information from base station. Multiple access techniques are used to allow many mobile users to share simultaneously a finite amount of radio spectrum. Frequency division multiple access (FDMA), time division multiple access(TDMA), and code division multiple access (CDMA) are the three major access techniques used to share the available bandwidth in a wireless communication system. In this paper we calculated the number of channels required for FDMA & TDMA techniques depending on various factors such as spectrum, channel band width etc.
Simulation of PCI Express™ Transaction Layer Using Hardware Description Language Venkata Raghavendra Miriampally
International Journal of Informatics and Communication Technology (IJ-ICT) Vol 4, No 1: April 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (966.038 KB) | DOI: 10.11591/ijict.v4i1.pp7-12

Abstract

PCI Express is a high-speed serial connection that operates more like a network than a bus. PCI Express will serve as a general purpose I/O interconnects for a wide variety of future computing and communications platforms. PCI Express (PCIe) is implemented with a split-transaction protocol that provides more bandwidth and is compatible with existing operating systems. PCI Express has three discrete logical layers: the Transaction Layer, the Data Link Layer, and the Physical Layer. This paper  analyze and simulates the function of Transaction layer IP core in the System Level with top-down design method, wrote the codes to implement Transaction Layer using Very high speed hardware description language (VHDL) and provided the simulation results using Active HDL Simulation tool. The simulation result shows that the designed IP core meets the required protocol specifications for the proper functioning of PCI Express Transaction layer. 
Co-Authors G. Subba Rao V Sudheer Raja