Academic literature on the topic 'Mmwave frequency bands'

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Journal articles on the topic "Mmwave frequency bands"

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Li, Siyu, Benito Sanz Izquierdo, Steven Gao, and Zhijiao Chen. "Analysis of 3D Printed Dielectric Resonator Antenna Arrays for Millimeter-Wave 5G Applications." Applied Sciences 14, no. 21 (2024): 9886. http://dx.doi.org/10.3390/app14219886.

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This paper explores the potential use of fused deposition modeling (FDM) technology for manufacturing microwave and millimeter-wave dielectric resonator antennas (DRAs) for 5G and beyond communication systems. DRAs operating at microwave and millimeter-wave (mmWave) frequency bands were simulated, fabricated, and analyzed in terms of manufacturing quality and radio frequency (RF) performance. Samples were manufactured using a 3D printer and PREPERM® ABS1000 filament, which offers a stable dielectric constant (εr = 10 ± 0.35) and low losses (tan δ = 0.003) over wide frequency and temperature ra
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Majed, Mohammed Bahjat, Tharek Abd Rahman, Omar Abdul Aziz, Mohammad Nour Hindia, and Effariza Hanafi. "Channel Characterization and Path Loss Modeling in Indoor Environment at 4.5, 28, and 38 GHz for 5G Cellular Networks." International Journal of Antennas and Propagation 2018 (September 20, 2018): 1–14. http://dx.doi.org/10.1155/2018/9142367.

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The current propagation models used for frequency bands less than 6 GHz are not appropriate and cannot be applied for path loss modeling and channel characteristics for frequency bands above 6 GHz millimeter wave (mmWave) bands, due to the difference of signal propagation characteristics between existing frequency bands and mmWave frequency bands. Thus, extensive studies on channel characterization and path loss modeling are required to develop a general and appropriate channel model that can be suitable for a wide range of mmWave frequency bands in its modeling parameter. This paper presents
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Dilli, Ravilla. "Performance analysis of multi user massive MIMO hybrid beamforming systems at millimeter wave frequency bands." Wireless Networks 27, no. 3 (2021): 1925–39. http://dx.doi.org/10.1007/s11276-021-02546-w.

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AbstractMillimeter-wave (mmWave) and massive multi-input–multi-output (mMIMO) communications are the most key enabling technologies for next generation wireless networks to have large available spectrum and throughput. mMIMO is a promising technique for increasing the spectral efficiency of wireless networks, by deploying large antenna arrays at the base station (BS) and perform coherent transceiver processing. Implementation of mMIMO systems at mmWave frequencies resolve the issue of high path-loss by providing higher antenna gains. The motivation for this research work is that mmWave and mMI
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Mustafa, S. Aljumaily. "Routing Protocols Performance in Mobile Ad-Hoc Networks Using Millimeter Wave." International Journal of Computer Networks & Communications (IJCNC) 10, no. 4 (2018): 23–36. https://doi.org/10.5281/zenodo.1344329.

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ABSTRACT Self-Organized networks (SONs) have been studied for many years, and have attracted many researchers due to their substantial applications. Although the performance of such networks in the lower band networks (sub-6 GHz band frequencies) has been well studied, there are only sparse studies on SON in higher frequency bands, such as the millimeter wave (mmWave) band ranges between 28GHz and 300GHz. mmWave frequencies have attracted many researchers in the past few years because of its unique features and are now considered as an important part of the next generation of wireless communic
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Othman, Bzhar Rahman, Thuraya Mahmood Alqaradaghi, and Araz Sabir Ameen. "Coverage Analysis and Proposed Cell Sizes to Enhance the Performance of the 5G Cellular System." Tikrit Journal of Engineering Sciences 31, no. 2 (2024): 82–90. http://dx.doi.org/10.25130/tjes.31.2.8.

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The global demand for more digital data motivates the evolution of mobile communication systems from 2G and 3G to 4G and 5G to support high data rate applications. The International Mobile Telecommuication-2020 (IMT-2020) defined the minimum technical performance requirements and guidelines for evaluating the 5G mobile cellular system. The New Radio (NR) millimeter wave (mmWave) and massive Multiple Input Multiple Output (mMIMO) antenna systems are technologies used in the 5G cellular system. Therefore, this paper studies the performance of the mmWave system combined with the mMIMO antenna sys
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Rodríguez-Corbo, Fidel Alejandro, Leyre Azpilicueta, Mikel Celaya-Echarri, et al. "Deterministic 3D Ray-Launching Millimeter Wave Channel Characterization for Vehicular Communications in Urban Environments." Sensors 20, no. 18 (2020): 5284. http://dx.doi.org/10.3390/s20185284.

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The increasing demand for more sensors inside vehicles pursues the intention of making vehicles more “intelligent”. In this context, the vision of fully connected and autonomous cars is becoming more tangible and will turn into a reality in the coming years. The use of these intelligent transport systems will allow the integration of efficient performance in terms of route control, fuel consumption, and traffic administration, among others. Future vehicle-to-everything (V2X) communication will require a wider bandwidth as well as lower latencies than current technologies can offer, to support
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Iradier, Gil Eneko, Aritz Abuin, Alvarez Rufino Reydel Cabrera, et al. "Advanced NOMA-based RRM schemes for broadcasting in 5G mmWave frequency bands." IEEE Transactions on Broadcasting 68, no. 1 (2021): 143–55. https://doi.org/10.1109/TBC.2021.3128049.

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A relevant solution for the high demand for new multimedia applications and services is millimeter wave (mmWave) frequency band in 5G. However, in order to face the technological challenges of the present and those that will appear in the short-term future, it is necessary to improve the spectral efficiency of 5G systems. In particular, the Radio Resource Management (RRM) module is considered an essential component. Nevertheless, resource allocation techniques that combine orthogonal multiplexing (OMA) schemes, such as Time Division Multiple Access (TDMA), with Non-Orthogonal Multiple Access (
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Obeidat, Huthaifa. "Investigations on Millimeter-Wave Indoor Channel Simulations for 5G Networks." Applied Sciences 14, no. 19 (2024): 8972. http://dx.doi.org/10.3390/app14198972.

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Due to the extensively accessible bandwidth of many tens of GHz, millimeter-wave (mmWave) and sub-terahertz (THz) frequencies are anticipated to play a significant role in 5G and 6G wireless networks and beyond. This paper presents investigations on mmWave bands within the indoor environment based on extensive simulations; the study considers the behavior of the omnidirectional and directional propagation characteristics, including path loss exponents (PLE) delay spread (DS), the number of clusters, and the number of rays per cluster at different frequencies (28 GHz, 39 GHz, 60 GHz and 73 GHz)
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Mothana, L. Attiah, Awang Md Isa Azmi, Zakaria Zahriladha, Fadzilah Abdullah Nor, Ismail Mahamod, and Nordin Rosdiadee. "Adaptive Multi-state Millimeter Wave Cell Selection Scheme for 5G communications." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 5 (2018): 2967–78. https://doi.org/10.11591/ijece.v8i5.pp2967-2978.

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Millimeter wave bands have been introduced as one of the most promising solutions to alleviate the spectrum secrecy in the upcoming future cellular technology (5G) due the enormous amount of raw bandwidth available in these bands. However, the inherent propagation characteristics of mmWave frequencies could impose new challenges i.e. higher path loss, atmospheric absorption, and rain attenuation which in turn increase the outage probability and hence, degrading the overall system performance. Therefore, in this paper, a novel flexible scheme is proposed namely Adaptive Multi-State MmWave Cell
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Tamunotonye, Sotonye Ibanibo, and Iyaminapu Iyoloma Collins. "Enhancing User Association to mmWave with Network Slicing and QoS Prioritization from Sub-6 GHz Bands." International Journal of Current Science Research and Review 08, no. 02 (2025): 688–94. https://doi.org/10.5281/zenodo.14830704.

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Abstract : In order to increase network capacity and user experience, a move toward millimeter-wave spectrum use has become necessary due to the constraints of sub-6 GHz frequencies and the rising demand for mobile data. In this paper, we propose a mathematical framework to dynamically improve user association with mmWave bands using network slicing and Quality of Service (QoS) priority. A utility maximization algorithm that balances user demand, network load, and signal quality across accessible spectrum bands is one of the multi-tier optimization techniques used in the suggested model. Optim
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Books on the topic "Mmwave frequency bands"

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Rappaport, Theodore S., Kate A. Remley, Camillo Gentile, Andreas F. Molisch, and Alenka Zajić, eds. Radio Propagation Measurements and Channel Modeling: Best Practices for Millimeter-Wave and Sub-Terahertz Frequencies. Cambridge University Press, 2022. http://dx.doi.org/10.1017/9781009122740.

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This book offers comprehensive, practical guidance on RF propagation channel characterization at mmWave and sub-terahertz frequencies, with an overview of both measurement systems and current and future channel models. It introduces the key concepts required for performing accurate mmWave channel measurements, including channel sounder architectures, calibration methods, channel sounder performance metrics and their relationship to propagation channel characteristics. With a comprehensive introduction to mmWave channel models, the book allows readers to carefully review and select the most app
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Book chapters on the topic "Mmwave frequency bands"

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Srinivas, Nallapalem Neeraj, Yasaswini Vellisetty, and P. C. Jain. "Impact of Beam Formation on 5G Mobile Communication Network in mmWave Frequency Band." In Advances in Data Computing, Communication and Security. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-8403-6_45.

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Huu Trung, Nguyen. "Multiplexing Techniques for Applications Based-on 5G Systems." In Multiplexing - Recent Advances and Novel Applications [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.101780.

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Multiplexing is an important technique in modern communication systems that allows simultaneous transmission of multiple channels of information on the same transmission media. Fifth-generation (5G) mobile communication systems allow Enhanced Mobile Broadband (eMBB), Ultra Reliable Low Latency Communications (URLLC), and Massive Machine Type Communications (mMTC). 5G has carrier frequency bands from sub-1 GHz to mid-bands and millimetre waves. The sub-1 GHz frequency band is for mobile broadband, broadcast and massive IoT applications. The mid-bands (between 1–6 GHz) offer wider bandwidths, fo
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Conference papers on the topic "Mmwave frequency bands"

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Chang, Minseok, and Wonbin Hong. "Passive Dual-Band Shared-Aperture Reflective Metasurface with Large Frequency Ratio for Sub-6 GHz/mmWave Band Communication." In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). IEEE, 2024. http://dx.doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10685991.

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Dileep, Alka, Sanjana Paul, Raghvendra Kumar Chaudhary, and Kumar Vaibhav Srivastava. "Design of a Multilayer Transmissive-Reflective Frequency Selective Surface with Wide Stop-band for mmWave Applications." In 2024 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON). IEEE, 2024. https://doi.org/10.1109/mapcon61407.2024.10923110.

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Ganesh, Ashwini P., Wahab Khawaja, Ozgur Ozdemir, İsmail Güvenç, Hiroyuki Nomoto, and Yasuaki Ide. "Propagation Measurements and Coverage Analysis for mmWave and Sub-THz Frequency Bands with Transparent Reflectors." In 2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring). IEEE, 2023. http://dx.doi.org/10.1109/vtc2023-spring57618.2023.10200244.

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Lyu, Yejian, Allan Wainaina Mbugua, Kim Olesen, Pekka Kyosti, and Wei Fan. "On the Phase-Compensated Long-Range VNA-based Channel Sounder for sub-6 GHz, mmWave and sub-THz frequency bands." In 2022 16th European Conference on Antennas and Propagation (EuCAP). IEEE, 2022. http://dx.doi.org/10.23919/eucap53622.2022.9769464.

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Abd, Ali kadhum, and Jamal Mohammed Rasool. "Triple Band Frequency Reconfigurable mmWave Antenna Design for 5G Applications." In 2022 2nd International Conference on Advances in Engineering Science and Technology (AEST). IEEE, 2022. http://dx.doi.org/10.1109/aest55805.2022.10413119.

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Delkhah, S. A., A. Abdipour, and A. Mohammadi. "Design of optimum grid array antenna in 60GHz frequency band." In 2012 Second Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT). IEEE, 2012. http://dx.doi.org/10.1109/mmwatt.2012.6532158.

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Talebzadeh, A., A. Mohammadi, and A. Abdipour. "Miniaturized branch-line coupler for 60 GHz frequency band applications using CMOS technology." In 2012 Second Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT). IEEE, 2012. http://dx.doi.org/10.1109/mmwatt.2012.6532164.

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Khoshniyat, Hamed, Gholamreza Moradi, Abdolali Abdipour, and Kambiz Afrooz. "Optimization and fully distributed analysis of traveling wave switches at millimeter wave frequency band." In 2009 First Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT). IEEE, 2009. http://dx.doi.org/10.1109/mmwatt.2009.5450453.

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Hasani, J. Yavand, M. Kamarei, and F. Ndagijimana. "Analysis of high frequency effects in the intrinsic part of nano-metre scale MOS devices in millimeter wave band." In 2009 First Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT). IEEE, 2009. http://dx.doi.org/10.1109/mmwatt.2009.5450462.

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Aghamohammadi, Mohammad Hossein, Saughar Jarchi, and Aliakbar Zamani. "Mutual Coupling Reduction in Multiple-Input Multiple-Output Antenna Based on Metamaterial at Low THz Frequency Band." In 2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT). IEEE, 2022. http://dx.doi.org/10.1109/mmwatt58022.2022.10172115.

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