Power Optimization and Throughput Enhancement in 6G Networks by Delay-Aware Resource Leverage

Mandelli, Silvio; Lieto, Alessandro; Weber, Andreas; Wild, Thorsten

doi:10.1109/eucnc/6gsummit51104.2021.9482470

Cited by 3 publications

(10 citation statements)

References 10 publications

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“…Although POLITE's benefits are interesting, one of the main limitations of the original POLITE scheme [4] was the unawareness of packet delay budgets and its incapacity to enforce these. The more recent [5] formulates how packet delays can be matched, evaluating its performance in indoor factory (InF) scenarios [15], showing performance improvements in terms of system capacity, packet delays fulfillment, and reduced transmit power. However, in the previous works [4,5], only LA was under the scope of POLITE methods.…”

Section: Related Workmentioning

confidence: 99%

“…The more recent [5] formulates how packet delays can be matched, evaluating its performance in indoor factory (InF) scenarios [15], showing performance improvements in terms of system capacity, packet delays fulfillment, and reduced transmit power. However, in the previous works [4,5], only LA was under the scope of POLITE methods. Focusing on URLLC use cases, in this work we consider how POLITE can interact with user scheduling and resource allocation to minimize latency and increase reliability of latency-critical traffic.…”

Section: Related Workmentioning

confidence: 99%

“…• The most recent POLITE schemes [5] have been further enhanced to minimize the latency experienced by critical traffic users, in addition to the mere verification of non-stringent latency budgets. Differently from previous work, we do not only propose a new LA paradigm, but we also provide novel user selection and resource allo- cation mechanisms.…”

Section: Contributionmentioning

confidence: 99%

“…In this work, we address the paradigm for (LA) and power allocation introduced in [4,5] to improve performance of wireless networks by leveraging all the available radio time-frequency resources of every cell. The Power Optimization for Low Interference and Throughput Enhancement (POLITE) in [4] exploits the significant underutilization of wireless resources of current systems [6].…”

mentioning

confidence: 99%

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Reducing interference via link adaptation in delay-critical wireless networks

Mandelli

Lieto²,

Razenberg³

et al. 2022

J Wireless Com Network

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One of the current (6G) wireless networks research’s trends is to investigate short distance and dense scenarios, where users are locally connected in sub-networks. Such use case is critical to support the advances of industrial internet of things or Industry 4.0 (I4.0), e.g. connecting an entire group of sensors and actuators of a robot. Therefore, schemes that can properly manage the interference must be deployed in practical systems to allow the promised performance advances of 6G. Targeting these high density scenarios, we describe the Power Optimization for Low Interference and Throughput Enhancement (POLITE) paradigm for link adaptation and power allocation, which leverages available radio resources to stabilize and reduce the interference. The baseline link adaptation schemes are compared with POLITE in their performance in a 3rd generation partnership project (3GPP) calibrated system level simulator for industrial scenarios. As services in industrial environments require high reliability under constrained delays, we propose different delay-aware formulations in the POLITE design. In this work, we provide solutions both for relaxed delay requirements and for latency critical traffic, whose delay must be minimized. In particular, in the latter case, we propose also modifications of user selection and resource allocation procedures to further improve the reliability and latency. Simulation results prove the benefits of POLITE in terms of increased throughput, fulfillment of relaxed and delay-critical requirements, with an overall reduced transmit power compared to the current baseline link adaptation schemes.

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Section: Related Workmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Section: Contributionmentioning

confidence: 99%

mentioning

confidence: 99%

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Reducing interference via link adaptation in delay-critical wireless networks

Mandelli

Lieto²,

Razenberg³

et al. 2022

J Wireless Com Network

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“…Also, rank adaptation can be used to adapt the number of spatial streams to the channel and interference condition [79]. Furthermore, power control leveraging unused resources in non-congested cells can be used to reduce the generated interference [80], and that is beneficial both for increasing throughput and serving traffic with moderate latency requirement, i.e., in the order of tens of ms [81].…”

Section: B Medium Access Control (Mac)mentioning

confidence: 99%

Extreme Communication in 6G: Vision and Challenges for ‘in-X’ Subnetworks

Berardinelli¹,

Baracca

Adeogun

et al. 2021

IEEE Open J. Commun. Soc.

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The 6th Generation (6G) radio access technology is expected to support extreme communication requirements in terms of throughput, latency and reliability, which can only be achieved by providing capillary wireless coverage. In this paper, we present our vision for short-range low power 6G 'in-X' subnetworks, with the 'X' standing for the entity in which the cell is deployed, e.g., a production module, a robot, a vehicle, a house or even a human body. Such cells can support services that can be life-critical and that traditionally relied on wired systems. We discuss potential deployment options, as well as candidate air interface components and spectrum bands. Interference management is identified as a major challenge in dense deployments, which needs to handle also non-cellular types of interference like jamming attacks and impulsive noise. A qualitative example of interference-robust system design is also presented.

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