A5046452695- Advanced MIMO Systems Optimization
- Cooperative Communication and Network Coding
- Energy Harvesting in Wireless Networks
- Wireless Networks and Protocols
- Molecular Communication and Nanonetworks
- Advanced Wireless Network Optimization
- Energy Efficient Wireless Sensor Networks
- Cognitive Radio Networks and Spectrum Sensing
- Risk and Safety Analysis
- Wireless Body Area Networks
- Machine Fault Diagnosis Techniques
- Advanced Wireless Communication Technologies
- Opportunistic and Delay-Tolerant Networks
- Cell Image Analysis Techniques
- Age of Information Optimization
- IPv6, Mobility, Handover, Networks, Security
- Architecture, Modernity, and Design
- Advanced Authentication Protocols Security
- Caching and Content Delivery
- Sustainable Urban and Rural Development
- Advanced Bandit Algorithms Research
- Advanced Data Compression Techniques
- PAPR reduction in OFDM
- IoT Networks and Protocols
- Human Mobility and Location-Based Analysis
Beijing University of Posts and Telecommunications
2019-2024
State Key Laboratory of Networking and Switching Technology
2024
China Academy of Information and Communications Technology
2020
Tsinghua University
2015-2017
Jiaozuo University
2007-2012
With an increasing demand to improve spectrum efficiency and energy in cellular networks, device-to-device (D2D) communications have drawn a lot of attention from both academia industry. Cooperative D2D networking, which allows for cooperation among mobile users (MUs) via links while communicating with other MUs or base stations (BSs), is one the most promising techniques communications. In cooperative communications, two major issues need be investigated: network performance evaluation peer...
This paper deals with the problem of user association in heterogeneous networks (HetNets). With existence small cells, to better associate equipment (UE) base stations (BSs), we propose a novel collaborative filtering (CF)-based wireless network recommendation system, which involves social interactions among UEs. Different from traditional schemes, UEs proposed system interact each other by rating BSs improve qualities. Similarity between UEs' preferences quality service (QoS) and historical...
Mobile communication technology provides more service paradigms to social networks, allowing the development of mobile networks (MSNs). An important scenario MSNs is crowdsensing, which takes advantage simple sensing and computation abilities on portable devices ordinary people, fuses results accomplish large-scale tasks. In integration individual data from users great significance, yet highly depends goal this paper, we propose a high-level distributed cooperative environmental state...
With the improvement of quality service requirement and increase energy expenditure, integrating caching harvesting (EH) to device-to-device (D2D) communication is a prospective but challenging research. In this paper, we focus on investigating network performance with stochastic geometry for cache- EH-enabled D2D cellular network, in which each mobile user (MU) can cache contents from base station be charged through EH. Specifically, taking into account knowledge states requested contents,...
In this paper, we propose an optimization problem of joint spectrum resource matching, power allocation and transmission time duration in energy harvesting (EH) aided device-to-device (D2D) communications underlying cellular network. Particularly, to increase the spectral efficiency (SE), multiple D2D links are permitted multiplex same block (RB) user (CU), RBs allowed be reused by one link. Taking into account Quality Service (QoS) users harvested links, our objective is maximize sum SE...
Device-to-device (D2D) communication is a promising technology to improve spectrum efficiency, energy and transmission delay due proximity of user equipments (UEs). With cooperative D2D communications, UE needs select an optimal peer act as relay forward data the base station (BS). Therefore, it essential take into account social relationships among UEs during selection so enhance privacy. In this paper, we investigate dynamic social-aware problem by formulating optimization proposing...
With the increase of number intelligent users, massive machine-type communications (mMTC), which can accommodate will play an important role. Unmanned aerial vehicle (UAV) has attracted a lot attention due to high mobility. However, both devices (MTCDs) and UAVs are battery-powered, therefore they have limited energy storage. In this paper, we focus on efficiency optimization in UAV-assisted mMTC networks with altitude differences. Considering differences MTCDs, Euclidean distances between...
In this paper, we investigate the resource allocation problem for multiple access in cell-free multiple-input multiple-output (CF MIMO) system. To fully utilize multi-dimensional resources and meet diverse demands of users, extend hybrid technology into CF MIMO system based on its user-centric architecture, which unifies space division access, non-orthogonal orthogonal access. Considering distinct expenses different modes at receivers, design a cost-aware utility function as metric develop...
The grant-free non-orthogonal multiple access (GF-NOMA) is especially conducive to support massive machine-type communication (mMTC) service. Owing the limited energy resources and reliability requirements for MTC devices, how design an energy-efficient scheme urgent problem. In this paper, we investigate a comprehensive learning framework GF-NOMA with power control in mMTC networks, focusing on level collision resolution. We formulate optimization problem aiming minimize long-term system...
Non-orthogonal multiple access (NOMA) and energy harvesting (EH) have emerged as promising technologies to improve the efficiency capacity of mobile edge computing (MEC) network. In this network, users utilize harvested support tasks computed locally or offloaded MEC server through NOMA transmission. We propose an analytical framework comprehensively explore performance task processing procedure under EHaided NOMA-MEC Specifically, taking into account EH constraint, local capacity,...
This paper proposes a new data-driven methodology for predicting intervals of post-fault voltage trajectories in power systems. We begin by introducing the Quantile Attention-Fourier Deep Operator Network (QAF-DeepONet), designed to capture complex dynamics and reliably estimate quantiles target trajectory without any distributional assumptions. The proposed operator regression model maps observed portion its unobserved trajectory. Our employs pre-training fine-tuning process address...
Energy harvesting (EH) aided device-to-device (D2D) communication brings some new challenges in resource allocation view of the constraint available energy and interference caused by cellular users. In this paper, we focus on improving spectral efficiency (SE) D2D underlying a novel network, where multiple EH links are allowed to reuse same spectrum. A joint spectrum matching, transmission time duration power problem is formulated, which mixed binary continuous optimization variables....
Device-to-device (D2D) is a promising technology in 5G to improve network throughput, spectrum and energy efficiency, transmission delay. It brings new communication paradigm, cooperative D2D communication, which allows user equipment (UE) relay data for other UEs the base station (BS). A UE consumes computing resources, so that it should be compensated by setting price relay. In this paper, we investigate pricing of modeling with contextual multi-armed bandit (C-MAB). An online algorithm...
In small cell networks, due to the coverage of access points (SAPs), handoffs may be executed frequently. Therefore, evaluating utility that a user equipment (UE) can acquire from an SAP is great significance. this paper, different traditional evaluation schemes, we propose social interactive scheme. The UEs are allowed share their local believes and fuse them in non-Bayesian manner. One advantage scheme it allows evaluate they do not connect to, based on which get prepared for handoff...
As one of the key technologies in 5th generation mobile networks, device-to-device (D2D) can significantly improve spectrum efficiency (SE), throughput, energy efficiency, and reduce congestion cellular networks. However, due to sharing between D2D users (DUs) (CUs), unreasonable resource allocation may cause serious interferences. Meanwhile, considering limitation equipment requirement green communication, this paper studies scheme under harvesting (EH) networks based on stochastic learning...
In this paper, we propose a novel wireless network recommendation system to deal with the user association problem existence of small cells. proposed system, by rating base stations (BSs), equipments (UEs) interact each other for accurate information about quality service (QoS) multimedia services. A UE desires acquire better while saving computational resources and protecting its privacy. This tradeoff is formulated as satisfaction game. We use utility function measure UE's satisfaction,...
Abstract Remote monitoring systems has emerged to automate public services, where Internet of Things (IoT) devices are deployed collect and relay streams status updates a remote control centre. The freshness collected data is critical importance system performance, which can be quantified by the concept age information (AoI). To obtain timely perception monitored area, each sensor tends sample at maximum frequency, may lead device drop‐outs due limited battery capacity. Simultaneous wireless...
The non-orthogonal multiple access (NOMA) system with mixed traffic has emerged as a promising solution to satisfy the requirements of various services while mitigating spectrum scarcity issue. In this paper, we investigate resource allocation problem in an uplink NOMA system, which consists real-time (RT) users strict quality-of-service (QoS) on rate and latency, best-effort (BE) that aim achieve balance between throughput fairness. order account for diverse different users, propose utility...
Planting is an important element for interior environment design. It can improve air quality and make more beautiful. Plants of various colors shapes bring indefinite vigor to the we live in. great significance study relationship between planting design because its impact on environmental artistic effect. This becomes a new research topic
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