Periodic Radio Resource Allocation to Meet Latency and Reliability Requirements in 5G Networks

Han, Yishu; Elayoubi, Salah Eddine; Galindo-Serrano, Ana; Varma, Vineeth S.; Messai, Malek

doi:10.1109/vtcspring.2018.8417636

Cited by 29 publications

(31 citation statements)

References 6 publications

(2 reference statements)

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“…More generally, this intermediate openness raises several issues about the impact of a specific third party on the global performance of the network, and on defining the responsibilities of the slice owner and of the operator when performance degradation occurs in the network. Periodic generation of packets by a limited number of machines Persistent (cyclic) resource reservation for each UE [12]. As the amount of resources is to be pre-determined and cannot be changed dynamically, an over-allocation is advocated along with a continuous channel estimation that adapts the allocation to radio condition variation on a scale of several milliseconds.…”

Section: Multi-tenant Slicing In the Ranmentioning

confidence: 99%

5G RAN Slicing for Verticals: Enablers and Challenges

et al. 2019

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This article investigates the slicing concept in the 5G Radio Access Network (RAN) with the related challenges and research problems. The objective is to identify the plausible options for implementing the slicing concept at the RAN level by the Mobile Network Operator (MNO) to respond to the needs of verticals. We start by identifying the different slice granularity options, i.e., how to define slices by combining customer and service needs. We then present how the 5G New Radio (NR) features can be used for facilitating slice implementation and provide typical configurations for different slice types from technology and RAN architecture perspectives. The main challenges for RAN slicing are then discussed, with a special attention to the resource allocation problem between slices sharing the same spectrum band. We also investigate the multi-tenant slicing implementation in terms of the openness of the network to third parties which is regarded as a key issue that may encourage vertical players to use operators' networks rather than deploying their own infrastructure.

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Section: Multi-tenant Slicing In the Ranmentioning

confidence: 99%

5G RAN Slicing for Verticals: Enablers and Challenges

et al. 2019

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“…In order to illustrate the gain, if a target reliability corresponding to a loss probability of 10 −6 is sought, the maximal activation probability p is equal to 4 * 10 −5 and 4 * 10 −4 , for the random and pairwise distinct schemes, respectively (ten times larger load). The figure also compares the analytical expression (11) to discrete event simulations where, each time a user selects a sequence already assigned, its assignment is modified to another sequence. A perfect fit is observed.…”

Section: Random Sequencesmentioning

confidence: 99%

“…The impact of the resource preemption technique on the user plane latency and its coexistence with eMBB have been evaluated in [9,10]. In [11], a joint resource allocation and Modulation and Coding Scheme (MCS) selection was proposed, and the tradeoff between the resources reserved for the initial transmissions and the resources consumed by retransmissions was exploited. Starting from these considerations, a global downlink URLLC optimization framework has been proposed in [12], including a system dimensioning and an enhanced Hybrid Automatic Repeat Request (HARQ) scheme.…”

Section: Introductionmentioning

confidence: 99%

Design and performance evaluation of contention-based transmission schemes for URLLC services

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Elayoubi

Deghel

et al. 2020

Performance Evaluation

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We investigate in this paper uplink multiple transmission schemes for 5G Ultra-Reliable Low Latency Communications (URLLC) traffic. The URLLC class of services has been defined for applications requiring extremely stringent latency and reliability. We show that, in systems with episodic traffic and many users compared with the number of transmission resources, randomly transmitting multiple copies of a packet allows to meet the URLLC requirements. We develop analytical models for the packet loss rate for two contention based multiple transmission schemes and show that one outperforms the other in the parameter range for which the URLLC requirements are met. We then propose an advanced replication scheme where positions for the different replicas are pre-allocated to users so that users have pairwise-distinct positions. We show that this advanced scheme achieves very high reliability with low resource consumption.

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“…In contrast, the major difference is communication flow with mixed priority and the dependence of delay due to the remote communication over the Internet. Till recent past, the realisation of RT-IoT was not possible due to the communication delays but since the introduction of mobile edge computing and 5G technologies the end-to-end delays and latencies can be ultra-reliable which is necessary for RT-IoT systems [28,29,35]. For a certain upper bound of delay, the challenge is fall back on the implementation of effective tools which can study the scheduling policies and ensure that no tasks will be missed by considering the maximum delay specified by the upper bound [27].…”

Section: Related Workmentioning

confidence: 99%

Towards the Design of a Formal Verification and Evaluation Tool of Real-Time Tasks Scheduling of IoT Applications

et al. 2019

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Real-Time Internet of Things (RT-IoT) is a newer technology paradigm envisioned as a global inter-networking of devices and physical things enabling real-time communication over the Internet. The research in Edge Computing and 5G technology is making way for the realisation of future IoT applications. In RT-IoT tasks will be performed in real-time for the remotely controlling and automating of various jobs and therefore, missing their deadline may lead to hazardous situations in many cases. For instance, in the case of safety-critical and mission-critical IoT systems, a missed task could lead to a human loss. Consequently, these systems must be simulated, as a result, and tasks should only be deployed in a real scenario if the deadline is guaranteed to be met. Numerous simulation tools are proposed for traditional real-time systems using desktop technologies, but these relatively older tools do not adapt to the new constraints imposed by the IoT paradigm. In this paper, we design and implement a cloud-based novel architecture for the formal verification of IoT jobs and provide a simulation environment for a typical RT-IoT application where the feasibility of real-time remote tasks is perceived. The proposed tool, to the best of our knowledge, is the first of its kind effort to support not only the feasibility analysis of real-time tasks but also to provide a real environment in which it formally monitors and evaluates different IoT tasks from anywhere. Furthermore, it will also act as a centralised server for evaluating and tracking the real-time scheduled jobs in a smart space. The novelty of the platform is purported by a comparative analysis with the state-of-art solutions against attributes which is vital for any open-source tools in general and IoT in specifics.

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Periodic Radio Resource Allocation to Meet Latency and Reliability Requirements in 5G Networks

Cited by 29 publications

References 6 publications

5G RAN Slicing for Verticals: Enablers and Challenges

5G RAN Slicing for Verticals: Enablers and Challenges

Design and performance evaluation of contention-based transmission schemes for URLLC services

Towards the Design of a Formal Verification and Evaluation Tool of Real-Time Tasks Scheduling of IoT Applications

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