rf-basic-5g wireless

5g wireless

The global bandwidth shortage facing wireless carriers has motivated the exploration of underutilized millimeter wave (mm-wave) frequency spectrum for future broadband cellular communication networks. However, there is little known about mmwave propagation in

Cellular architecture and key technologies for 5G wireless communication networks
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The fourth generation wireless communication systems have been deployed or are soon to be deployed in many countries. However, with an explosion of wireless mobile devices and services, there are still some challenges that cannot be accommodated even by 4G, such as

The requirements, challenges, and technologies for 5G of terrestrial mobile telecommunication
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In this article, we summarize the 5G mobile communication requirements and challenges. First, essential requirements for 5G are pointed out, including higher traffic volume, indoor or hotspot traffic, and spectrum, energy, and cost efficiency. Along with these changes of

Networks and devices for the 5G era
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Mobile services based on 4G LTE services are steadily expanding across global markets, providing subscribers with the type of responsive Internet browsing experience that previously was only possible on wired broadband connections. With more than 200

Mobile edge computing A key technology towards 5G
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Mobile Edge Computing (MEC) is a new technology which is currently being standardized in an ETSI Industry Specification Group (ISG) of the same name. Mobile Edge Computing provides an IT service environment and cloud-computing capabilities at the edge of the

5G white paper
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NGMN has had a central role in the definition of operator requirements, which has contributed significantly to the overall success of LTE. In the meantime, LTE has become a true global and mainstream mobile technology, and will continue to support the customer In non-orthogonal multiple access (NOMA) downlink, multiple data flows are superimposed in the power domain and user decoding is based on successive interference cancellation. NOMAs performance highly depends on the power split among the data flows and the Non-orthogonal multiple access (NOMA) represents a paradigm shift from conventional orthogonal multiple access (MA) concepts, and has been recognized as one of the key enabling technologies for 5G systems. In this paper, the impact of user pairing on the

Enabling device-to-device communications in millimeter-wave 5G cellular networks
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Millimeter-wave communication is a promising technology for future 5G cellular networks to provide very high data rate (multi-gigabits-persecond) for mobile devices. Enabling D2D communications over directional mmWave networks is of critical importance to efficiently use

Key concepts and network architecture for 5G mobile technology
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ABSTRACT 5G technologies will change the way most highbandwidth users access their phones. With 5G pushed over a VOIP-enabled device, people will experience a level of call volume and data transmission never experienced before. 5G technology is offering the

Path loss models for 5G millimeter wave propagation channels in urban microcells.
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Measurements for future outdoor cellular systems at 28 GHz and 38 GHz were conducted in urban microcellular environments in New York City and Austin, Texas, respectively. Measurements in both line-of-sight and non-line-of-sight scenarios used multiple

5G wireless communication systems: Prospects and challenges
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The first article, Towards Green and Soft: A 5G Perspective written by authors from China Mobile, presents an operators perspective on 5G technology. They identify two major themes in their article relating to greener wireless networks and the wide adoption of

Key elements to enable millimeter wave communications for 5G wireless systems
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Current cellular spectrum at below 3 GHz bands is experiencing severe shortage and cannot keep up with the dramatic proliferation of mobile traffic in the near future, requiring the search for innovative solutions to enable the 5G era. mmWave communications, with a

Location-aware communications for 5G networks
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Fifth-generation ( 5G ) networks will be the first generation to benefit from location information that is sufficiently precise to be leveraged in wireless network design and optimization. We argue that location information can aid in addressing several of the key challenges in 5G

5G radio access
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Each generation of mobile communication, from the first-generation introduced in the 1980s to the 4G networks launched in recent years, has had a significant impact on the way people and businesses operate. The next generation 5G is a technology solution for 2020 and

The 4G/ 5G polymorphism in the plasminogen activator inhibitor-1 gene is not associated with myocardial infarction
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Several studies have found an association between high plasminogen activator inhibitor-1 (PAI-1) levels and myocardial infarction. Whether this is causal or a consequence of atherosclerosis or tissue damage, remains unclear. Homozygous carriers of the 4G allele of

An alternative method for PAI-1 promoter polymorphism (4G/ 5G ) typing
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5. Duthie GG, Arthur JR, James WPT. Effects of smoking and vitamin E on blood antioxidant status. Am J Clin Nutr 1991; 53: 1061s-3s. 6. Crespo ME, Bicho MP. Membrane-mediated effects of catecholamines on the DNA of human leukocytes: the role of reactive oxygen

Association between the plasminogen activator inhibitor-1 4G/ 5G polymorphism and venous thrombosis
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The effect of the 675 insertion/deletion (4G/ 5G ) polymorphism of plasminogen activator inhibitor-1 (PAI-1) gene on the risk of venous thromboembolism (VTE) remains controversial. In this study, we performed a meta-analysis of published data regarding this issue. A There is considerable pressure to define the key requirements of 5G , develop 5G standards, and perform technology trials as quickly as possible. Normally, these activities are best done in series but there is a desire to complete these tasks in parallel so that commercial

Big data-driven optimization for mobile networks toward 5G .
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Big Data offers a plethora of opportunities to mobile networks operators for improving the quality of service. This paper explores various means of integrating Big Data analytics with network optimization towards the objective of improving the user quality of experience. We

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