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Investigation of QoS Performance Evaluation over 5G Network for Indoor Environment at Millimeter Wave Bands

Faizan Qamar MHD Nour Hindia Talib Abbas Kaharudin Bin Dimyati Iraj S. Amiri

International Journal of Electronics and Telecommunications | 2019 | vol. 65 | No 1 | 95-101 | DOI: 10.24425/ijet.2019.126288

Keywords 5G millimeter wave CI-path loss propagation channel channel characterization small cell

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Abstract

One of the crucial advancements in next-generation 5G wireless networks is the use of high-frequency signals specifically those are in the millimeter wave (mm-wave) bands. Using mmwave frequency will allow more bandwidth resulting higher user data rates in comparison to the currently available network. However, several challenges are emerging (such as fading, scattering, propagation loss etc.), whenever we utilize mm-wave frequency wave bands for signal propagation. Optimizing propagation parameters of the mm-wave channels system are much essential for implementing in the real-world scenario. To keep this in mind, this paper presents the potential abilities of high frequencies signals by characterizing the indoor small cell propagation channel for 28, 38, 60 and 73 GHz frequency band, which is considered as the ultimate frequency choice for many of the researchers. The most potential Close-In (CI) propagation model for mm-wave frequencies is used as a Large-scale path loss model. Results and outcomes directly affecting the user experience based on fairness index, average cell throughput, spectral efficiency, cell-edge user’s throughput and average user throughput. The statistical results proved that these mm-wave spectrum gives a sufficiently greater overall performance and are available for use in the next generation 5G mobile communication network.

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Authors and Affiliations

Faizan Qamar

MHD Nour Hindia

Talib Abbas

Kaharudin Bin Dimyati

Iraj S. Amiri

Robust Schemes to Enhance Energy Consumption Efficiency for Millimeter Wave-Based Microcellular Network in Congested Urban Environments

MHD Nour Hindia Faizan Qamar Henry Ojukwu Rosilah Hassan Kaharudin Dimyati

International Journal of Electronics and Telecommunications | 2021 | vol. 67 | No 3 | 417-424 | DOI: 10.24425/ijet.2021.137828

Keywords Micro-cell energy 5G millimeter-wave cell sectoring smart antenna

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Abstract

Future wireless communication networks will be largely characterized by small cell deployments, typically on the order of 200 meters of radius/cell, at most. Meanwhile, recent studies show that base stations (BS) account for about 80 to 95 % of the total network power. This simply implies that more energy will be consumed in the future wireless network since small cell means massive deployment of BS. This phenomenon makes energy-efficient (EE) control a central issue of critical consideration in the design of future wireless networks. This paper proposes and investigates (the performance of) two different energy-saving approaches namely, adaptive-sleep sectorization (AS), adaptive hybrid partitioning schemes (AH) for small cellular networks using smart antenna technique. We formulated a generic base-model for the above-mentioned schemes and applied the spatial Poisson process to reduce the system complexity and to improve flexibility in the beam angle reconfiguration of the adaptive antenna, also known as a smart antenna (SA). The SA uses the scalable algorithms to track active users in different segments/sectors of the microcell, making the proposed schemes capable of targeting specific users or groups of users in periods of sparse traffic, and capable of performing optimally when the network is highly congested. The capabilities of the proposed smart/adaptive antenna approaches can be easily adapted and integrated into the massive MIMO for future deployment. Rigorous numerical analysis at different orders of sectorization shows that among the proposed schemes, the AH strategy outperforms the AS in terms of energy saving by about 52 %. Generally, the proposed schemes have demonstrated the ability to significantly increase the power consumption efficiency of micro base stations for future generation cellular systems, over the traditional design methodologies.

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Bibliography

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Authors and Affiliations

MHD Nour Hindia

Faizan Qamar

Henry Ojukwu

Rosilah Hassan

Kaharudin Dimyati

Department of Electrical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
Faculty of Information Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia
Network and Communication Technology (NCT) Lab, Centre for Cyber Security, Fakulti Teknologi & Sains Maklumat (FTSM), Universiti Kebangsaan Malaysia (UKM), 43600 UKM, Bangi, Selangor Malaysia

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Investigation of QoS Performance Evaluation over 5G Network for Indoor Environment at Millimeter Wave Bands

Abstract

Authors and Affiliations

Robust Schemes to Enhance Energy Consumption Efficiency for Millimeter Wave-Based Microcellular Network in Congested Urban Environments

Abstract

Bibliography

Authors and Affiliations