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Power control for D2D communication underlaying cellular networks based on deep Q-learning and fractional frequency reuse 基于深度q -学习和分数频率复用的蜂窝网络D2D通信功率控制
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000036
Tingting Yang;Yingqi Zhao;Jin Jin;Kaiyang Guo
This paper considers device-to-device (D2D) communication underlaying cellular networks, where frequency resources are shared between D2D users and cellular users. When D2D users reuse the frequency resources occupied by the cellular users, interference could be produced among the two kinds of users. By means of the fractional frequency reuse approach, a traversal frequency reuse scheme is proposed, in which central D2D users in each cell reuse the frequency bands for neighbouring edge cellular users in sequence according to a counterclockwise direction. The proposed reuse scheme effectively minimizes the number of intra-cell interference links, leading to an improvement of the average sum rate. Subsequently, based on the proposed traversal reuse strategy, a deep Q-learning algorithm is implemented for power control. Simulation results demonstrate that the proposed power control algorithm outperforms other traditional methods in terms of sum rate.
本文考虑了基于蜂窝网络的设备到设备(D2D)通信,其中D2D用户和蜂窝用户之间共享频率资源。当D2D用户重复使用蜂窝用户占用的频率资源时,两种用户之间会产生干扰。利用分数阶频率复用方法,提出了一种遍历频率复用方案,即每个小区的中心D2D用户按逆时针方向依次复用相邻边缘小区用户的频段。该复用方案有效地减少了小区内干扰链路的数量,提高了平均和速率。随后,基于所提出的遍历重用策略,实现了深度q -学习算法的功率控制。仿真结果表明,所提出的功率控制算法在求和速率方面优于其他传统方法。
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引用次数: 0
An architecture for bundle routing in space: Collaborative contact negotiation and visionary server for DTN route development 空间束路由的体系结构:DTN路由开发的协作接触协商和可视服务器
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000047
Cheol Hea Koo
Space networks face significant challenges establishing physical links due to uncertain node positions and heterogeneous communication systems, requiring pre-computed flight dynamics and higher readiness levels than terrestrial networks. This study introduces a visionary server, an authoritative ground-based management system generating pre-negotiated paths instead of relying on real-time computations by individual nodes. The server distributes routing information through a structured extension block for bundle protocol version 7, enabling contact establishment without prior knowledge of adjacent node characteristics. Qualitative simulations using realistic scenarios validate this concept's effectiveness. The key innovation lies in the dual-mode architecture combining centralized coordination with distributed failure detection, which: (i) reduces computational requirements by processing on ground, (ii) facilitates network trouble shoots through available routing information, and (iii) considers data rate, frequency, and modulation type while orchestrating routing decisions across heterogeneous space assets without requiring physical layer standardization.
由于不确定的节点位置和异构通信系统,空间网络在建立物理链路方面面临重大挑战,需要预先计算飞行动力学和比地面网络更高的准备水平。本研究介绍一种有远见的服务器,一种权威的地面管理系统,生成预先协商的路径,而不是依赖于单个节点的实时计算。服务器通过bundle协议版本7的结构化扩展块分发路由信息,允许在不事先了解相邻节点特征的情况下建立联系。使用现实场景的定性模拟验证了这一概念的有效性。关键创新在于将集中协调与分布式故障检测相结合的双模式架构,它:(i)通过地面处理减少计算需求,(ii)通过可用的路由信息促进网络故障排除,以及(iii)在跨异构空间资产协调路由决策时考虑数据速率、频率和调制类型,而不需要物理层标准化。
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引用次数: 0
Exploring blockchain and artificial intelligence for next generation wireless networks 探索下一代无线网络的区块链和人工智能
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000008
Vuppula Roopa;Himansu Shekhar Pradhan
Future wireless communication networks are exploring the 0.1 to 10 terahertz (THz) band, which presents opportunities for creative usage. However, the management of growing privacy and security issues while allocating resources efficiently to support many devices is a critical activity. Complicated technology affects resource allocation (RA) and network management as it permeates devices and infrastructure. Upgrading from fifth-generation (5G) to next-generation represents breakthroughs in ultra-low latency, fast data speeds, and artificial intelligence (AI) integration for innovative services and applications. However, these developments convey the challenges that include data processing, RA, network administration, and privacy. Integrating blockchain (BC) as well as machine learning (ML) is a potential alternative to tackle these challenges. This paper presents a comprehensive review, which explores their combined contributions to trust, decentralization, and network security in ML decisions, immutability, and streamlined model sharing. Moreover, it delves into various areas such as rate splitting, next-generation radaroriented communication, BC-oriented spectrum reframing, reconfigurable intelligent surfaces (RIS), and integrated sensing and communication. In addition, it investigates using ML and BC in emerging next-generation communication technologies, which include semantic, molecular, and holographic communications. Finally, the authors deal with the essential unsolved issues, challenges, prospective solutions, and the wide range of opportunities for additional research in this rapidly evolving fields.
未来的无线通信网络正在探索0.1到10太赫兹(THz)频段,这为创造性的使用提供了机会。然而,管理日益增长的隐私和安全问题,同时有效地分配资源以支持许多设备是一项关键活动。复杂的技术渗透到设备和基础设施中,影响着资源分配和网络管理。从第五代(5G)升级到下一代,代表着在超低延迟、快速数据传输和人工智能(AI)集成等创新服务和应用方面的突破。然而,这些发展带来了包括数据处理、RA、网络管理和隐私在内的挑战。整合区块链(BC)和机器学习(ML)是解决这些挑战的潜在替代方案。本文进行了全面的回顾,探讨了它们对ML决策、不变性和精简模型共享中的信任、去中心化和网络安全的综合贡献。此外,它还深入研究了速率分割,下一代面向雷达的通信,面向bc的频谱重构,可重构智能表面(RIS)以及集成传感和通信等各个领域。此外,它还研究了在新兴的下一代通信技术中使用ML和BC,包括语义、分子和全息通信。最后,作者处理了基本的未解决的问题,挑战,前瞻性的解决方案,以及在这个快速发展的领域进行进一步研究的广泛机会。
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引用次数: 0
Entanglement routing with guaranteed fidelity for drone-based quantum networks 基于无人机的量子网络保真度保证纠缠路由
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000046
Haoran Hu;Huazhi Lun;Ya Wang;Zhifeng Deng;Jiahao Li;Jie Tang;Yuexiang Cao;Ying Liu;Dan Wu;Huicun Yu;Xingyu Wang;Jiahua Wei;Lei Shi
The quantum Internet is profoundly impacting the world and is expected to be operational in the future. With the global wide-area quantum networks begin to take shape, drone-based quantum entanglement networks have attracted widespread attention. Compared to quantum links based on optical fibers or satellites, drone-based quantum entanglement networks can effectively address the need for responsive and on-demand quantum network coverage across diverse locations and operational times. To realize network construction, entanglement routing protocols pose a significant challenge. On the one hand, the fidelity of the entangled system degrades hop-byhop. On the other hand, the dynamics and limited energy of drone nodes are equally not negligible. However, existing works have not adequately addressed these issues. In this paper, we present a novel fidelity-guaranteed entanglement routing protocol for drone-based quantum networks (FGER_D). The FGER_D considers the node energy and quantum link vulnerability comprehensively, selects end-to-end fidelity as the routing metric, and employs multiple attempts' entanglement purification scheme to provide fidelity-guaranteed entanglement connections in noisy environments. Numerical simulations demonstrate that compared to existing algorithms, FGER_D improves network throughput by approximately 24% under default settings, while also ensuring network fidelity and extending network lifetime. Our work is expected to provide a theoretical basis for the deployment of drone-based entanglement distribution networks.
量子互联网正在深刻地影响着世界,并有望在未来投入运营。随着全球广域量子网络初具规模,基于无人机的量子纠缠网络受到了广泛关注。与基于光纤或卫星的量子链路相比,基于无人机的量子纠缠网络可以有效地解决跨不同位置和操作时间的响应性和按需量子网络覆盖需求。为了实现网络的构建,纠缠路由协议是一个重大的挑战。一方面,纠缠系统的保真度逐跳下降。另一方面,无人机节点的动态和有限能量同样不可忽略。然而,现有的工作并没有充分解决这些问题。在本文中,我们提出了一种新的基于无人机的量子网络(FGER_D)保真度保证纠缠路由协议。FGER_D综合考虑节点能量和量子链路脆弱性,选择端到端保真度作为路由度量,采用多次尝试的纠缠净化方案,在噪声环境下提供保真度保证的纠缠连接。数值模拟表明,与现有算法相比,FGER_D在默认设置下将网络吞吐量提高了约24%,同时还确保了网络保真度并延长了网络寿命。我们的工作有望为基于无人机的纠缠分配网络的部署提供理论基础。
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引用次数: 0
Information for authors 作者信息
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000066
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引用次数: 0
Solving optimal electric vehicle charging station placement problem using digital quantum annealing 用数字量子退火方法求解电动汽车充电站最优布局问题
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000048
Chia-Ho Ou;Chung-Chieh Cheng;Chih-Yu Chen;Krischonme Bhumkittipich;Sillawat Romphochai
It is imperative to reduce carbon dioxide emissions and fossil fuel consumption to ensure the Earth's sustainable future and mitigate negative impacts like extreme climate changes caused by greenhouse gases. Electric vehicles (EVs) play a pivotal role in this context, where the convenience of charging stations is crucial in influencing consumer choices. This paper formulates the placement of charging stations as an optimization problem, considering factors like station density, accessibility, coverage, and regional cost variations, to minimize total construction costs. The problem is mapped onto a quadratic unconstrained binary optimization (QUBO) model. The QUBO can efficiently represent and solve complex combinatorial optimization problems, making it suitable for quantum and advanced classical algorithms. Utilizing digital quantum annealing, the optimal or near-optimal solutions are efficiently identified. The performance of the proposed approach is compared with classical algorithms, including mixed linear programming and simulated annealing, demonstrating significant advancements of digital annealing.
减少二氧化碳排放和化石燃料消耗,确保地球的可持续未来,减轻温室气体造成的极端气候变化等负面影响,势在必行。在这种情况下,电动汽车(ev)发挥着关键作用,充电站的便利性对影响消费者的选择至关重要。本文将充电站的布局作为一个优化问题,考虑充电站密度、可达性、覆盖范围和区域成本变化等因素,以最小化总建设成本。将该问题映射到一个二次型无约束二元优化(QUBO)模型上。QUBO可以有效地表示和求解复杂的组合优化问题,适用于量子和先进的经典算法。利用数字量子退火,有效地识别出最优或近最优解。将该方法与混合线性规划和模拟退火等经典算法的性能进行了比较,证明了数字退火的显著进步。
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引用次数: 0
CrossGuardian: A security domain isolation model for cross-chain gateway CrossGuardian:跨链网关的安全域隔离模型
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000037
Haosu Cheng;Guanquan Shi;Kangkang Zhang
Blockchain, as a distributed ledger technology, embodies decentralization, security transparency, and traceability. Interoperability has been a persistent challenge in blockchain technology research. The inherent characteristics of blockchain, including numerous terminal nodes, diverse network architectures, cross-chain application services, and intricate network environments, present significant privacy and data security concerns for cross-chain gateways during data collection and transmission. To address these security challenges, this paper proposes a system architecture and security domain isolation model for cross-chain security gateways leveraging system resource virtualization. This architecture aims to address security issues encountered in the process of collecting, transmitting, and exchanging data elements within the cross-chain gateway. Specifically, the proposed architecture isolates the different layers in the cross-chain gateway by business domains, and ensures mutual security isolation between distinct business domains and network domains during cross-chain activities. Moreover, the paper implements a secure gateway operational environment utilizing x86 hardware platforms and virtualization technology, followed by simulation experiment and performance testing to validate the architectural feasibility. Formal proof is provided to establish the security of the proposed domain model.
区块链作为一种分布式账本技术,体现了去中心化、安全透明和可追溯性。互操作性一直是区块链技术研究中的一个持续挑战。区块链的终端节点众多、网络架构多样、跨链应用服务和复杂的网络环境等固有特点,给跨链网关在数据采集和传输过程中带来了重大的隐私和数据安全问题。为了解决这些安全挑战,本文提出了一种利用系统资源虚拟化的跨链安全网关系统架构和安全域隔离模型。该体系结构旨在解决在跨链网关内收集、传输和交换数据元素过程中遇到的安全问题。具体而言,该体系结构通过业务域隔离跨链网关中的不同层,保证跨链活动期间不同业务域和网络域之间的相互安全隔离。利用x86硬件平台和虚拟化技术实现了安全网关运行环境,并进行了仿真实验和性能测试,验证了架构的可行性。给出了形式化证明来证明所提出的领域模型的安全性。
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引用次数: 0
A probabilistic alternative to coverage analysis in uniform random wireless networks 均匀随机无线网络中覆盖分析的一种概率替代方案
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000034
Junaid Farooq;Unnikrishna Pillai
The analysis of coverage probability based on signal-to-interference-plus-noise-ratio (SINR) is a classical problem in the study of wireless and cellular networks. Stochastic geometry (SG) has opened up the possibility of accurate coverage characterization for random spatial deployment of base stations. While results obtained using SG are tractable and compact, in most cases, they are usually in the form of incomplete integrals, which need to be efficiently computed. Although that is possible with the computational capabilities available today, it masks the underlying structure in the analysis precluding the possibility of using it for solving optimization and system design problems. This paper provides an alternate approach to analyzing SINR-based coverage probability using direct probability computation. We analyze a uniformly random wireless network as a test case and compare the analytical results with widely accepted frameworks in the SG literature. Our analytical derivations, validated through simulation studies, agree with well-known results in the literature. The developed approach provides the groundwork for coverage analysis in more complex network scenarios and channel conditions.
基于信噪比(SINR)的覆盖概率分析是无线和蜂窝网络研究中的经典问题。随机几何(SG)为基站的随机空间部署提供了精确覆盖表征的可能性。虽然使用SG得到的结果易于处理和紧凑,但在大多数情况下,它们通常是不完整积分的形式,需要有效地计算。尽管这在当今可用的计算能力下是可能的,但它掩盖了分析中的底层结构,排除了使用它来解决优化和系统设计问题的可能性。本文提供了一种使用直接概率计算来分析基于sinr的覆盖概率的替代方法。我们分析了一个均匀随机无线网络作为测试用例,并将分析结果与SG文献中广泛接受的框架进行了比较。我们的分析推导,通过模拟研究验证,与文献中众所周知的结果一致。所开发的方法为更复杂的网络场景和信道条件下的覆盖分析提供了基础。
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引用次数: 0
QNN framework based multiclass classification for downlink NOMA detectors 基于QNN框架的下行NOMA检测器多类分类
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000045
Hye Yeong Lee;Man Hee Lee;Soo Young Shin
Quantum neural networks (QNNs) have attracted significant attention recently, primarily because of their potential to address complex problems deemed difficult for traditional computational methods. This study explores the viability of QNN in handling multiclass classification tasks in downlink nonorthogonal multiple access (NOMA) frameworks. The investigation includes a design of QNN framework and performance evaluation of a QNN-based NOMA detector, integrating maximum likelihood (ML), successive interference cancellation (SIC), and rotated ML (RML) methods. A QNN framework was configured for all three detectors, and a comparative analysis was conducted in terms of loss, accuracy, and testing across varied signal-to-noise ratio (SNR) levels and power allocation coefficients, considering NOMA-specific characteristics. Furthermore, the computational complexity of each detector was analyzed within the proposed framework.
量子神经网络(QNNs)最近引起了人们的极大关注,主要是因为它们有潜力解决传统计算方法难以解决的复杂问题。本研究探讨了QNN在下行链路非正交多址(NOMA)框架中处理多类分类任务的可行性。该研究包括QNN框架的设计和基于QNN的NOMA检测器的性能评估,整合了最大似然(ML)、连续干扰消除(SIC)和旋转ML (RML)方法。为所有三种检测器配置了一个QNN框架,并在不同信噪比(SNR)水平和功率分配系数下进行了损耗、精度和测试的比较分析,同时考虑了noma的特定特性。在此基础上,分析了各检测器的计算复杂度。
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引用次数: 0
Open access publishing agreement 开放获取出版协议
IF 3.2 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-26 DOI: 10.23919/JCN.2025.000067
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引用次数: 0
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