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Multi-Carrier Waveforms and Multiple Access Strategies in Wireless Networks: Performance, Applications, and Challenges
Tewelgn Kebede;Yihenew Wondie;Johannes Steinbrunn;Hailu Belay Kassa;Kevin T. Kornegay
Current generation mobile communications require high-quality services. Adopting multiple access (MA) and multi-carrier waveforms potentially enhances the quality of services offered to end-users. However, in the majority of literature, the integration of multi-carrier and multiple-access approaches have not been extensively examined. One possible solution is to review multiple access and multi-ca...Show More
Precoding and Beamforming Techniques in mmWave-Massive MIMO: Performance Assessment
Tewelgn Kebede;Yihenew Wondie;Johannes Steinbrunn;Hailu Belay Kassa;Kevin T. Kornegay
Massive MIMO and mmWave communication are the technologies for achieving 5G design goals. Fortunately, these two technologies share a symbiotic integration. As a result, amalgamating mmWave communications with massive MIMO forms,mmWave-massive MIMO,” which significantly improves spectral and energy efficiency. It also achieves high multiplexing gains and increases mobile network capacity. However,...Show More
Fuzzy Logic Inference System for Quality of Experience Modeling for LTE Video Streaming: Case of Addis Ababa LTE Network
2021 International Conference on Information and Communication Technology for Development for Africa (ICT4DA)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
Nowadays, video streaming has become one of the most dominant services due to increasing interest in watching online television programs and video on demand. Providing this service requires a high speed and high capacity network infrastructure. In this work, we propose quality of experience (QoE) model using fuzzy logic inference system for video streaming services. The proposed model is used to m...Show More
Fuzzy Logic Inference System for Quality of Experience Modeling for LTE Video Streaming: Case of Addis Ababa LTE Network
Year: 2021 | Conference Paper |
Adaptive Circuit Power Control for Down-link Massive MIMO Systems
Shenko Chura Aredo;Yalemzewd Negash;Yihenew Wondie;Rajaveerappaa Devadas;Feyisa Debo;Mahlet Akalu
2021 International Conference on Information and Communication Technology for Development for Africa (ICT4DA)
Year: 2021 | Conference Paper |
Massive MIMO (mMIMO) is a variant of MIMO systems in which hundreds and thousands of miniatured antennas can be installed in a single Base Station (BS) serving a number of single antenna user terminals. As the number of transmit antennas (M) equivalently increases with the number of RF chains associated with each antenna elements especially in digital beamforming, the chain exhibits substantial am...Show More
Density Aware Cooperative Precoding Technique for Massive MIMO Systems
Shenko Chura Aredo;Yalemzewd Negash;Yihenew Wondie;Feyisa Debo;Rajaveerappa Devadas;Abreham Fekadu
2021 International Conference on Information and Communication Technology for Development for Africa (ICT4DA)
Year: 2021 | Conference Paper |
Communication via millimeter-wave (mm-wave) has grown in favor as an alternative to the existing radio mobile communication technology for providing high gigabit-per-second data speeds. Because of the millimeter wave's short wavelengths, a large number of antennas may be placed in a compacted physical dimension to make a greater aperture and obtain a substantial gain in antenna arrays. Dirty paper...Show More
Probability of Error Minimization Techniques in Downlink Massive MIMO Systems
Shenko Chura Aredo;Yalemzewd Negash;Yihenew Wondie;Demissie Jobirs;Rajaveerappaa Devadas;Bayisa Taye
2021 International Conference on Information and Communication Technology for Development for Africa (ICT4DA)
Year: 2021 | Conference Paper |
The primarily goal of future wireless communication systems is to device connections with optimal throughput with minimized latency and enhanced reliability at minimum cost. One of the most important technologies for attaining this goal is massive MIMO (mMIMO). Installing a number of antennas on a single Base Station together with channel coding which is achieved by redundant bits provides reliabl...Show More
Channel Estimation and Beamforming Techniques for mm Wave-Massive MIMO: Recent Trends, Challenges and Open Issues
2021 International Symposium on Networks, Computers and Communications (ISNCC)
Year: 2021 | Conference Paper |
Cited by: Papers (5)
The fifth-generation (5G) wireless communication system requires massive connectivity with high data rates and low latency. One of the technologies to meet these requirements is mm Wave massive MIMO. This work, therefore, aspires to have an in-depth look at the channel estimation and beamforming techniques jointly with their respective architectures for mm Wave massive MIMO system. In particular; ...Show More
Performance Evaluation of MillimeterWave-Massive MIMO with Beamforming Techniques
2021 International Symposium on Networks, Computers and Communications (ISNCC)
Year: 2021 | Conference Paper |
Cited by: Papers (2)
To address 5G design targets, massive MIMO and mmWave communication are enabling technologies. Luckily, in many respects these two technologies share a symbiotic integration. Accordingly, a logical step is to integrate mmWave communications and massive MIMO to form ”mmWave-massive MIMO” which substantially increases user throughput, improve spectral and energy efficiencies, increase the capacity o...Show More
Massive MIMO Linear Precoding Techniques Performance Assessment
2021 International Symposium on Networks, Computers and Communications (ISNCC)
Year: 2021 | Conference Paper |
Cited by: Papers (5)
Massive MIMO is one of the 5G nominee technologies that provides high energy and bandwidth efficiencies. Precoding at the basestation is compulsory to ensure such efficiencies in the performance and design of massive MIMO. This work investigates the performance of all recent massive MIMO linear precoding techniques called: Zero Forcing, Maximum Ratio Transmission, Regularized Zero Forcing, Truncat...Show More
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