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Journal ArticleDOI

The requirements, challenges, and technologies for 5G of terrestrial mobile telecommunication

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TLDR
In this article, the authors summarize the 5G mobile communication requirements and challenges and present a potential step change for the evolution toward 5G, which shows that macro-local coexisting and coordinating paths will replace one macrodominated path as in 4G and before.
Abstract
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 requirements, we present a potential step change for the evolution toward 5G, which shows that macro-local coexisting and coordinating paths will replace one macro-dominated path as in 4G and before. We hereafter discuss emerging technologies for 5G within international mobile telecommunications. Challenges and directions in hardware, including integrated circuits and passive components, are also discussed. Finally, a whole picture for the evolution to 5G is predicted and presented.

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Orbital Angular Momentum Multiplexing over Visible Light Communication Systems

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Journal ArticleDOI

Enabling Generic Wireless Coexistence Through Technology-Agnostic Dynamic Spectrum Access

TL;DR: A new generic medium sharing model is presented that solves the huge coexistence problems observed today in a simple and efficient way and is technology-agnostic and compatible with all existing wireless communication technologies and also has the capability to support emerging ones with minimum overhead.
Journal ArticleDOI

Transmit Beamforming Optimization Design for Broadband Multigroup Multicast System

TL;DR: Two reduced-complexity algorithms for each of the QoS problem and the MMF problem are investigated together for transmit beamforming in broadband multigroup multicast channels with frequency-selective fading characters by introducing the time-frequency correlations.
Proceedings Article

Two-dimensional diversity with serial concatenation of spectral precoding and DSTBC

TL;DR: This paper proposes two-dimensional diversity scheme which is concatenation of spectral precoding and corrected DSTBC to compensate an imbalance of equivalent noise variances between subcarriers and reveals that applicability of spectral Precoding is dependent on the coding rate.
Journal ArticleDOI

Ergodic rate analysis on applying antenna selection in D2D communication underlaying cellular networks

TL;DR: The achievable rate performance of the D2D communication underlaying the cellular network where a multiple-antenna base station with antenna selection scheme is deployed is investigated and an exact closed-form expression of the ergodic achievable rate is derived.
References
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Journal ArticleDOI

Device-to-device communication as an underlay to LTE-advanced networks

TL;DR: Device-to-device (D2D) communication underlaying a 3GPP LTE-Advanced cellular network is studied as an enabler of local services with limited interference impact on the primary cellular network.
Book

4G: LTE/LTE-Advanced for Mobile Broadband

TL;DR: In this article, the authors focus on LTE with full updates including LTE-Advanced to provide a complete picture of the LTE system, including the physical layer, access procedures, broadcast, relaying, spectrum and RF characteristics, and system performance.
Proceedings ArticleDOI

Practical, real-time, full duplex wireless

TL;DR: Experimental results show that a re- design of the wireless network stack to exploit full duplex capability can result in significant improvements in network performance.
Book

Mobile Communications Engineering

TL;DR: In this article, the authors describe the characteristics of mobile radio signals and apply statistical communication theory to propagation and received signal characteristics, and provide a discussion of system performance and how to evaluate a new system.
Journal ArticleDOI

Encoding many channels on the same frequency through radio vorticity: first experimental test

TL;DR: In this paper, it was shown experimentally that two beams of incoherent radio waves, transmitted on the same frequency but encoded in two different orbital angular momentum states, can simultaneously transmit two independent radio channels.
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