Enabling Millimeter-Wave 5G Networks for Massive IoT Applications: A Closer Look at the Issues Impacting Millimeter-Waves in Consumer Devices Under the 5G Framework

Sahoo, Biswa P. S.; Chou, Ching-Chun; Weng, Chung-Wei; Wei, Hung‐Yu

doi:10.1109/mce.2018.2868111

Cited by 55 publications

(24 citation statements)

References 4 publications

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“…However, the low-power low-throughput nature of conventionally-deployed IoT devices have caused such highfrequency bands, with considerably harsher propagation properties, to be largely ignored when building IoT environments. Nevertheless, the advent of massive IoT applications spawning a huge volume of devices puts a strain on low-bandwidth sub-6GHz technologies and poses mmWave as a candidate solution for quasi-nomadic scenarios such as smart grids, smart cities and smart industries [2]. The main challenge in this case is that mmWave transceivers usually employ digital or hybrid beamforming, with multiple RF chains and a large number of antenna arrays that allow focusing electromagnetic energy into certain angles (i.e., irradiate beams), in order to combat mmWave's aquaphobia and high attenuation.…”

Section: Introductionmentioning

confidence: 99%

“…In fact, upon similar conditions, both massive MIMO and RIS technology can produce similar signal-to-noise-ratio (SNR) gains. 2 However, a RIS achieves such beamforming gains passively-with a negligible power supply-exhibiting high energy efficiency. We claim in this paper that active beamforming via an antenna array at the transmitter side and passive beamforming in the channel via a RIS can complement each other and provide even larger gains when they both are jointly optimized, which is precisely the goal of this paper.…”

Section: Introductionmentioning

confidence: 99%

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RISMA: Reconfigurable Intelligent Surfaces Enabling Beamforming for IoT Massive Access

Mursia

Sciancalepore²,

García‐Saavedra³

et al. 2021

IEEE J. Select. Areas Commun.

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Massive access for Internet-of-Things (IoT) in beyond 5G networks represents a daunting challenge for conventional bandwidth-limited technologies. Millimeter-wave technologies (mmWave)-which provide large chunks of bandwidth at the cost of more complex wireless processors in harsher radio environments-is a promising alternative to accommodate massive IoT but its cost and power requirements are an obstacle for wide adoption in practice. In this context, meta-materials arise as a key innovation enabler to address this challenge by Re-configurable Intelligent Surfaces (RISs).In this paper we take on the challenge and study a beyond 5G scenario consisting of a multi-antenna base station (BS) serving a large set of single-antenna user equipments (UEs) with the aid of RISs to cope with non-line-of-sight paths. Specifically, we build a mathematical framework to jointly optimize the precoding strategy of the BS and the RIS parameters in order to minimize the system sum mean squared error (SMSE). This novel approach reveals convenient properties used to design two algorithms, RISMA and Lo-RISMA, which are able to either find simple and efficient solutions to our problem (the former) or accommodate practical constraints with low-resolution RISs (the latter). Numerical results show that our algorithms outperform conventional benchmarks that do not employ RIS (even with low-resolution meta-surfaces) with gains that span from 20% to 120% in sum rate performance.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

RISMA: Reconfigurable Intelligent Surfaces Enabling Beamforming for IoT Massive Access

Mursia

Sciancalepore²,

García‐Saavedra³

et al. 2021

IEEE J. Select. Areas Commun.

View full text Add to dashboard Cite

show abstract

“…While being connected, the UE will encounter two types of mobility in mmWave, namely the cell level and beam level mobility as specified in 3GPP Rel. 16 [3] which are discussed in the following.…”

Section: Introductionmentioning

confidence: 99%

“…Supporting rapid and seamless handover will be necessary to avoid constant connection interruption. Handover decision making at the point of handover event needs to be not only fast but also smart to select an adequate beam for handover, which depends on both sufficient link quality and data availability [16].…”

Section: Introductionmentioning

confidence: 99%

Beam-Based Mobility Management in 5G Millimetre Wave V2X Communications: A Survey and Outlook

Kose¹,

Lee

Foh

et al. 2021

IEEE Open J. Intell. Transp. Syst.

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It is envisaged that 5G can enable many vehicular use cases that require high capacity, ultra-low latency and high reliability. To support this, 5G proposes the use of dense small cells technology as well as and highly directional mmWave systems deployment, among many other new advanced communication technologies, to boost the network capacity, reduce latency and provide high reliability. In such systems, enabling vehicular communication, where the nodes are highly mobile, requires robust mobility management techniques to minimise signalling cost and interruptions during frequent handovers. This presents a major challenge that communication system engineers need to address to realise the promise of 5G systems for V2X and similar applications. In this paper, we provide an overview of recent progresses in the development of handover and beam management techniques in 5G communication systems. We conduct a critical appraisal of current research on beam level and cell level mobility management in 5G mmWave networks considering the ultra-reliable and low-latency communication requirements within the context of V2X applications. We also provide an insight into the open challenges and the emerging trends as well as the possible evolution beyond the horizon of 5G.

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“…In mobile wireless communications, the spatial density of concurrently active and thereby interfering links is continuously increasing. Novel concepts, such as, machine to machine (M2M) and vehicle to everything (V2X) communications, as well as, innovative technologies, such as, distributed massive multiple-input multiple-output (MIMO) [9] and dynamic distributed antenna systems (dDASs) [10], cellfree massive MIMO [11,12], transmissions in the millimeter wave (mmWave) band [13,14], and non-orthogonal multiple access (NOMA) [15,16], are contributing to this trend. In such dense scenarios, the interference between simultaneously active links has a significant impact on the reliability of the transmissions.…”

Section: Introductionmentioning

confidence: 99%

Reliable Multi-Point Transmissions Over Directional MISO TWDP Fading Channels

Schwarz

Rupp

2021

IEEE Trans. Veh. Technol.

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In this paper, we consider wireless transmissions over directional multiple-input single-output (MISO) two wave with diffuse power (TWDP) fading channels, subject to interference over the same type of channel. TWDP fading is known to exhibit an outage behavior that can be even worse than Rayleigh fading and has experimentally been observed in a number of vehicular channel measurement campaigns. To enhance the reliability of multi-point transmissions over MISO TWDP fading channels, we propose a zero-forcing based coordinated beamforming scheme, for which we can analytically characterize and optimize the outage probability of the multi-point transmissions. Based on the developed outage expressions, we furthermore propose a greedy coordinated scheduling approach that attempts to maximize the achievable rate of the system. Finally, we propose a transmission rate adaptation scheme for fixed size packet transmissions, which supports reliable and at the same time resource efficient multi-point transmissions.

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Enabling Millimeter-Wave 5G Networks for Massive IoT Applications: A Closer Look at the Issues Impacting Millimeter-Waves in Consumer Devices Under the 5G Framework

Cited by 55 publications

References 4 publications

RISMA: Reconfigurable Intelligent Surfaces Enabling Beamforming for IoT Massive Access

RISMA: Reconfigurable Intelligent Surfaces Enabling Beamforming for IoT Massive Access

Beam-Based Mobility Management in 5G Millimetre Wave V2X Communications: A Survey and Outlook

Reliable Multi-Point Transmissions Over Directional MISO TWDP Fading Channels

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