A Dynamic Time Slot Allocation Scheme for Hybrid Multiple Access Protocol In Inter-Satellite Network

Li, Qinjie; Cui, Gaofeng; Liu, Kai; Shanghong, Zhang; Wang, Weidong

doi:10.1109/iccc47050.2019.9064442

Cited by 5 publications

(8 citation statements)

References 12 publications

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“…The performance comparison between DENC, SAHN-MAC [9] , ICSMA [11] , CSMA-TDMA [13] , and HTM [17] coupled with CAMA-TDMA under varying proportions of nodes with service requirements and outage probabilities of ISLs is shown in Figure 8, assuming that the settings of each mechanism are optimum 2 . The arrows in the diagram show some mechanism performance intersections, while the figure's red numbers depict the mechanism gain.…”

Section: Resource Efficiency Performance Comparisonmentioning

confidence: 99%

“…Considering the dynamic service requirements, [12] noted that dynamic resource scheduling can further improve the resilience and adaptability of satellite networks. For example, [13] proposed a CSMA-TDMA protocol in which the allocation of CSMA and TDMA time slots was dynamically altered based on predicted traffic loads, adapting to the dynamic changes in service requirements. The studies above didn't consider the impact of intermittent ISLs.…”

Section: Introductionmentioning

confidence: 99%

“…• A Visio Studio (VS)-based platform is constructed for system-level simulation to simulate the performance of DENC. Mathematical and simulation results indicate that the DENC performs better than SAHN-MAC [9] , ICSMA [11] , CSMA-TDMA [13] and HTM [17] under dynamic service requirements and intermittent ISLs, and the resource efficiency can be improved by about 130%.…”

Section: Introductionmentioning

confidence: 99%

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A Dynamic Even Distribution Resource Scheduling Mechanism Combined with Network Coding for Inter-LEO Satellite Networks

Tong

Liu

2022

Preprint

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LEO satellite networks have risen to the forefront of study with the dynamic topology changes, varying service requirements and intermittent inter-satellite links (ISLs). Resource scheduling mechanism is the key to determining communication efficiency. However, the state-of-the-art cannot achieve high resource efficiency under both heavy and burst traffic loads, and the applicability of parameters design is insufficient under intermittent ISLs. Considering this, we propose a dynamic even distribution mechanism combined with network coding DENC. This novel mechanism obtains the service requirements and allocates resources dynamically through the even distribution algorithm to balance between network maintenance overhead and idle resources waste, and improves the success probability of transmission based on network coding to balance between retransmission and redundancy. In this paper, we establish performance analysis and resource efficiency optimization models to optimize the parameters such as maintenance frequency and coding coefficient. Besides, we construct a system-level simulation platform. Mathematical and simulation results indicate that the DENC performs better than SAHN-MAC, ICSMA, CSMA-TDMA and HTM under dynamic service requirements and intermittent ISLs, and the resource efficiency can be improved by about 130%.

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Section: Resource Efficiency Performance Comparisonmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Dynamic Even Distribution Resource Scheduling Mechanism Combined with Network Coding for Inter-LEO Satellite Networks

Tong

Liu

2022

Preprint

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“…Considering the dynamic service requirements, Han et al 12 notes that dynamic resource scheduling could further improve the resilience and adaptability of satellite networks. For example, Li et al 13 propose a CSMA‐TDMA protocol in which the allocation of CSMA and TDMA time slots was dynamically altered based on predicted traffic loads. The CSMA‐TDMA uses contention‐based RSM when the service needs are small and conflict‐free RSM when the proportion of nodes with service requirements is large.…”

Section: Introductionmentioning

confidence: 99%

A dynamic even distribution resource scheduling mechanism combined with network coding for inter‐LEO satellite networks

Tong

Liu

2023

Satell Commun Network

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SummaryResource scheduling mechanism of LEO satellite networks is the key to determining communication efficiency. Facing the LEO satellite networks with the dynamic topology changes, varying service requirements, and intermittent inter‐satellite links (ISLs), the state‐of‐the‐art cannot achieve high resource efficiency under both heavy and burst traffic loads, and the applicability of parameters design is insufficient under intermittent ISLs. Considering this, we propose a dynamic even distribution mechanism combined with network coding DENC. This novel mechanism obtains the service requirements and allocates resources dynamically through the even distribution algorithm to balance network maintenance overhead and resource waste and improves the success probability of transmission based on network coding to balance retransmission and redundancy. In this paper, we establish performance analysis models to optimize the parameters such as maintenance frequency and coding coefficient. Besides, we construct a system‐level simulation platform. Mathematical and simulation results indicate that the resource efficiency of EMNC can be improved by more than 48% compared with SAHN‐MAC, ICSMA, CSMA‐TDMA, and HTM when all nodes have service needs, and the ISL outage rate is 20%. As the outage probability of ISL increases and the proportion of nodes with service requirements decreases, the performance advantage of EMNC becomes more apparent.

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“…In the related research on reliability assurance of industrial heterogeneous networks, traditional access schemes are mainly based on random competition methods [9][10][11][12][13] and time slot-based methods [14][15][16][17][18]. The access scheme based on random contention can ensure low delay and sufficient throughput without serious external interference [19].…”

Section: Introductionmentioning

confidence: 99%

An Enhanced Reliable Access Scheme for Massive IoT Applications in Ubiquitous IoT Systems

Peng

Shi

Wang

2022

Wireless Communications and Mobile Computing

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As a key infrastructure for intelligent manufacturing, the Industrial Internet of Things (IIoT) can connect people, massive intelligent terminals, automated control equipment, and convergence nodes to achieve a high integration of industrial systems with advanced computing, sensor technology, fifth-generation technology (5G), and the Internet. How to realize the robust and reliable connection of massive IoT applications has become the research focus of industry and academia. However, the massive IoT industrial equipment, diverse business types, complex networking mode, and broadcast characteristics of wireless media have posed serious challenges to providing stable and reliable connections in industrial communication scenarios. In order to overcome this problem, the paper proposes an enhanced reliable access scheme (ERAS) for massive IoT applications in software-defined industrial heterogeneous networks. Based on the idea of software-defined networking (SDN), the ERAS is designed from two perspectives of the control plane and the data plane. Based on the idea of greedy algorithms, ERAS uses priority, interference set, deadline, and other information to find the local optimal solution and then obtain the global optimum. First, low-priority periodic data is accessed to the channel based on the earliest deadline. Then, high-priority data (such as control and interactive services) judges the channel occupancy status according to the access flow table, and if there is an idle channel in the current time slot, it is normally accessed. Otherwise, the subslots reserved with high priority in the control channel are used to preempt the low-priority channel. This preemption mechanism can ensure reliable and real-time connections for massive IIoT. Simulation results show that the ERAS performs better than traditional methods in terms of delay, deadline guarantee rate, and packet loss rate.

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A Dynamic Time Slot Allocation Scheme for Hybrid Multiple Access Protocol In Inter-Satellite Network

Cited by 5 publications

References 12 publications

A Dynamic Even Distribution Resource Scheduling Mechanism Combined with Network Coding for Inter-LEO Satellite Networks

A Dynamic Even Distribution Resource Scheduling Mechanism Combined with Network Coding for Inter-LEO Satellite Networks

A dynamic even distribution resource scheduling mechanism combined with network coding for inter‐LEO satellite networks

An Enhanced Reliable Access Scheme for Massive IoT Applications in Ubiquitous IoT Systems

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