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Browsing Communication System Engineering by Issue Date

Browsing Communication System Engineering by Issue Date

Now showing items 1-20 of 106

Performance Analysis of Hybrid Beamforming Techniques in Large Multi User MIMO System

Birhanu, Yosef (2019-10)

Wirelesscommunicationssystem, evolvingfromsimplevoicecommunicationtoadvanced cellular communication have grown at a rapid pace in last two decades. But we are still seeking solution for keeping pace with the ever increasing ...
Impulsive Noise Mitigatin Using Turbo Coding and Hybrid Nonlinear Preprocessing In Ofdm-Plc Systems

Gebeyehu, Girma (2019-10)

Power Line Communication (PLC) uses already existing powerlines to communicate data. As power lines are designed to carry electric power at low frequency, they are not suited for high speed data communication. Multipath ...
PERFORMANCE ANALYSIS OF LINEAR PRECODING TECHNIQUES FOR 5G MASSIVE MIMO SYSTEM

MERHA, FREWOIN (2020)

To meet up the ever-increasing subscribers demand for higher data rates and higher mobile data traffic growth in the telecommunication industry, the fifth generation (5G) system is being considered for the next future ...
Performance Evaluation and Comparison of Optical Amplifiers in Non-Linear Effects for Long-Haul Transmission System

Menber, Tsegaye (2020-01)

The high speed optical network more supports for higher bandwidth and it needs choosing better optical amplifiers in long-haul fiber optic communication networks. Optical amplifiers are very helpful for long-haul transmission ...
PERFORMANCE ANALYSIS OF WDM-EPON INTEGRATED WITH OWC

Haile, Abera (2020-03-17)

With the advancement in the communication systems, there is need for large bandwidth to send more data at higher speed. Wavelength Division Multiplexing (WDM) - Ethernet Passive Optical Network (EPON) is important due to ...
Inter-cell Interference Mitigation for Downlink UMTS-FDD

Asrie, Amanuel (2020-03-17)

Universal mobile telecommunication system(UMTS) is an interference-limited system since frequency reuse factor is one (FR-1) for all uniquely coded User Equipment(UE). Inter-cell Interference(ICI) has been still a challenging ...
PERFORMANCE ANALYSIS OF TDM-GPON SYSTEM USING DIFFERENT PARAMETERS

Belete, Molla (2020-03-17)

Gigabit passive Optical Network (GPON) is a ﬁber-based access network that provides huge bandwidth in a cost eﬀective and power eﬃcient manner. The building blocks of passive optical network (PON) consists Optical Line ...
Pilot Tone Based Carrier Frequency Oﬀset and Channel Estimation in OFDM Relay Network

Kebede, Demessu (2020-05-03)

Orthogonalfrequencydivisionmultiplexing(OFDM)isafrequency-divisionmultiplexing (FDM) scheme used as a digital multi-carrier modulation method. Many sub-carriers that are parallel, narrow band and orthogonal to each others ...
Spectrum Sensing using Adaptive Threshold based Energy Detection for LTE Systems

Birhanu, Hiwot (2020-05-05)

The rapid growth of wireless communication system has put pressure on radio spectrum usage. Due to the widely used ﬁxed spectrum access, spectrum utilization is very low. In order to overcome this problem, cognitive radio, ...
PERFORMANCE ANALYSIS ON FBG AND EDFA IN DWDM SYSTEM

SISAY, MELKAMU (2020-05-05)

Optical ﬁber are used for high capacity system compared to electrical mediums and this high capacity is linked to wavelength division multiplexing system so optical ﬁbers are employed to transmit data, voice and other ...
POWER FLOW CONTROL IN RADIAL DISTRIBUTION SYSTEM USING STATIC VAR COMPENSATOR (SVC): CASE STUDY ON DEBRE MARKOS TOWN DISTRIBUTION SYSTEM

AMELEWORK, MOLLA (2020-06)

Distribution system is the final stage in the delivery of electricity to end users. This system network carries electricity from the transmission system and delivers it to consumers. In the radial distribution system, there ...
Minimization of Losses on Electric Power Transmission Line Using UPFC (A Case Study of Bahir Dar to Debremarkos Transmission Line)

ASMAMAW, ADMAS TAREKEGN (2020-06)

Power systems continuously subjected to various types of disturbances, which cause a lot of power system instability which lowers its efficiency. Power loss is the major one which decreases the efficiency of electrical ...
PERFORMANCE ANALYSIS OF LINEAR PRECODING TECHNIQUES FOR 5G MASSIVE MIMO SYSTEM

FREWOIN, MERHA (2020-06)

To meet up the ever-increasing subscribers demand for higher data rates and higher mobile data traffic growth in the telecommunication industry, the fifth generation (5G) system is being considered for the next future ...
Substation Design and Modeling for Amhara Metal Industry And Machine Technology Development Enterprise with IEEE Standards

HAILEYESUS, KAHSAY (2020-06)

Substations are part of a power system in which voltage transformation and switching take place. The need for building a new substation may arise to satisfy the load growth of customers or when the number of outgoing bays ...
DESIGNING, MODELING AND ANALYSIS OF SOLAR AIDED BAGASSE DRYER SYSTEM TO IMPROVE POWER GENERATION IN WONJI SHOA SUGAR FACTORY

ENDALE, GEREMEW DARGE (2020-07)

This research work presents a method to design, model and analyze solar-aided bagasse dryer system to improve power generation and meet power demand of WSSF by reducing the moisture content of wet bagasse. WSSF is established ...
IDENTIFICATION AND CORRECTION OF POWER QUALITY PROBLEMS USING DYNAMIC VOLTAGE RESTORER CASE STUDY: AMHARA-PLASTIC PIPE FACTORY

GETNET, ALEMU EWUNETIE (2020-07)

Electrical energy is one of the simplest used forms of energy and with the betterment of technology, the dependency on the electrical energy has been increased rapidly. But, the quality of power is affected by different ...
INVESTIGATION AND DESIGN OF CAPACITOR COMPENSATION FOR LOSS MINIMIZATION AT WONJI SUGAR FACTORY

ANDUALEM, BIRHANU ALMAW (2020-07)

In an electrical power system, the generated power is transferred through a high voltage transmission system, and it reaches the low voltage consumers at the distribution side. In a distribution system, real power loss is ...
Performance Evaluation of Line Stability Indices and Voltage Stability Monitoring of Power System Networks

AGEGNEHU, HAGOSE (2020-07)

Voltage instability has recently become a challenging problem for many power systems. It is one phenomenon that could happen in power system networks (PSNs) due to its overloaded condition. The result would be the occurrence ...
A CONVOLUTIONAL NEURAL NETWORK BASED DETECTION SYSTEM FOR ACUTE APPENDICITIS DISEASE

MECHAL, TIMOTEWOS (2020-07)

Medical industry is one of the well-known sectors where predictions are very essential. This research study encourages the use artificial intelligence for decision-making process in medical field for detecting acute ...
VOLTAGE SAG AND PHASE ANGLE JUMP COMPENSATION USING FAULT CURRENT LIMITER (FCL) (CASE STUDY: BAHIR DAR SUBSTATION II)

MIHRET, GASHAW (2020-07)

An increasing of utilization of electrical energy, distribution system construction problems and load variations are subjected to increase the fault current level. The cause of voltage sags and phase angle jump is due to ...

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Browsing Communication System Engineering by Issue Date

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