Search results for: Guoqiang Mao

Items from 1 to 20 out of 160 results

article

MLE-based localization and performance analysis in probabilistic LOS/NLOS environment

Xiufang Shi, Guoqiang Mao, Zaiyue Yang, Jiming Chen

Neurocomputing > 2017 > 270 > C > 101-109

Non-line-of-sight (NLOS) propagation, which widely exists in wireless systems, will degrade the performance of wireless positioning system if it is not taken into consideration in the localization algorithm design. Different from existing approaches which treat NLOS measurements as outliers and only work when there is a large number of measurements, in this paper, we propose to use Maximum Likelihood...

article

Performance Impact of Idle Mode Capability on Dense Small Cell Networks

Ming Ding, David Lopez-Perez, Guoqiang Mao, Zihuai Lin

IEEE Transactions on Vehicular Technology > 2017 > 66 > 11 > 10446 - 10460

Very recent studies showed that in a fully loaded dense small cell network (SCN), the coverage probability performance will continuously decrease with the network densification. Such new results were captured in IEEE ComSoc Technology News with an alarming title of “Will Densification Be the Death of 5G?” In this paper, we revisit this issue from more practical views of realistic network deployment,...

article

Throughput of Infrastructure-Based Cooperative Vehicular Networks

Jieqiong Chen, Guoqiang Mao, Changle Li, Ammar Zafar, more

IEEE Transactions on Intelligent Transportation Systems > 2017 > 18 > 11 > 2964 - 2979

In this paper, we provide the detailed analysis of the achievable throughput of infrastructure-based vehicular network with a finite traffic density under a cooperative communication strategy, which explores the combined use of vehicle-to-infrastructure (V2I) communications, vehicle-to-vehicle (V2V) communications, the mobility of vehicles, and cooperations among vehicles and infrastructure to facilitate...

chapter

Energy-efficient scheduling for buffer-aided relaying with opportunistic spectral access (invited paper)

Yang Yang, Kunlun Wang, Wen Chen, Ming-Tuo Zhou, more

2017 9th International Conference on Wireless Communications and Signal Processing (WCSP) > 1 - 6

2017 9th International Conference on Wireless Communications and Signal Processing (WCSP)

In this paper, we propose a cross-layer design framework for transmitting Markov modulated Poisson process (MMPP) traffic over cognitive cooperative networks, which considers the energy efficient transmissions for different delay-aware packets. The adaptive modulation and coding (AMC) is used in the cooperative transmission system. The queueing process is considered in the buffer aided relay and source...

article

Approximation Algorithms for Charging Reward Maximization in Rechargeable Sensor Networks via a Mobile Charger

Weifa Liang, Zichuan Xu, Wenzheng Xu, Jiugen Shi, more

IEEE/ACM Transactions on Networking > 2017 > 25 > 5 > 3161 - 3174

Wireless energy transfer has emerged as a promising technology for wireless sensor networks to power sensors with controllable yet perpetual energy. In this paper, we study sensor energy replenishment by employing a mobile charger (charging vehicle) to charge sensors wirelessly in a rechargeable sensor network, so that the sum of charging rewards collected from all charged sensors by the mobile charger...

article

Multipath Cooperative Communications Networks for Augmented and Virtual Reality Transmission

Xiaohu Ge, Linghui Pan, Qiang Li, Guoqiang Mao, more

IEEE Transactions on Multimedia > 2017 > 19 > 10 > 2345 - 2358

Augmented and/or virtual reality (AR/VR) are emerging as one of the main applications in future fifth-generation (5G) networks. To meet the requirements of lower latency and massive data transmission in AR/VR applications, a solution with software-defined networking architecture is proposed for 5G small cell networks. On this basis, a multipath cooperative route (MCR) scheme is proposed to facilitate...

article

On the Performance of Full-Duplex Multi-Relay Channels With DF Relays

Qiang Li, Shangjie Feng, Xiaohu Ge, Guoqiang Mao, more

IEEE Transactions on Vehicular Technology > 2017 > 66 > 10 > 9550 - 9554

In this paper, we consider a two-hop full-duplex multi-relay channel (FD-MRC) for exploiting the high spectral efficiency of FD systems and the diversity gains of multi-relay systems. Employing a decode-and-forward (DF) relaying protocol, the single best relay is selected from those relays that have successfully decoded the source message, which then helps forward the source message to the destination...

article

On the security of warning message dissemination in vehicular Ad hoc networks

Jieqiong Chen, Guoqiang Mao

Journal of Communications and Information Networks > 2017 > 2 > 2 > 46-58

Information security is an important issue in vehicular networks as the accuracy and integrity of information is a prerequisite to the satisfactory performance of virtually all vehicular network applications. We study the information security of a vehicular Ad hoc network whose message could be tampered by malicious vehicles. An analytical framework is developed to analyze the process of message dissemination...

article

Robust Localization Using Range Measurements With Unknown and Bounded Errors

Xiufang Shi, Guoqiang Mao, Brian D. O. Anderson, Zaiyue Yang, more

IEEE Transactions on Wireless Communications > 2017 > 16 > 6 > 4065 - 4078

Cooperative geolocation has attracted significant research interests in recent years. A large number of localization algorithms rely on the availability of statistical knowledge of measurement errors, which is often difficult to obtain in practice. Compared with the statistical knowledge of measurement errors, it can often be easier to obtain the measurement error bound. This paper investigates a...

chapter

Performance analysis of dense small cell networks with generalized fading

Bin Yang, Ming Ding, Guoqiang Mao, Xiaohu Ge

2017 IEEE International Conference on Communications (ICC) > 1 - 7

ICC 2017 - 2017 IEEE International Conference on Communications

In this paper, we propose a unified framework to analyze the performance of dense small cell networks (SCNs) in terms of the coverage probability and the area spectral efficiency (ASE). In our analysis, we consider a practical path loss model that accounts for both non-line-of-sight (NLOS) and line-of-sight (LOS) transmissions. Furthermore, we adopt a generalized fading model, in which Rayleigh fading,...

article

Uplink Performance Analysis of Dense Cellular Networks With LoS and NLoS Transmissions

Tian Ding, Ming Ding, Guoqiang Mao, Zihuai Lin, more

IEEE Transactions on Wireless Communications > 2017 > 16 > 4 > 2601 - 2613

In this paper, we analyze the coverage probability and the area spectral efficiency (ASE) for the uplink (UL) of dense small cell networks (SCNs) considering a practical path loss model incorporating both line-of-sight (LoS) and non-line-of-sight (NLoS) transmissions. Compared with the existing work, we adopt the following novel approaches in this paper: 1) we assume a practical user association strategy...

article

Statistical Analysis of Path Losses for Sectorized Wireless Networks

Jing Xu, Xiaojun Yan, Yuanping Zhu, Jiang Wang, more

IEEE Transactions on Communications > 2017 > 65 > 4 > 1828 - 1838

In modern mobile communication networks, such as 3G and 4G networks, sectorized antennas have been widely used to divide each cell into multiple sectors in order to improve coverage, spectrum efficiency, and quality of service. Large-scale path loss from a transmitting antenna to a receiving antenna should include: 1) propagation attenuation that depends on transmission distance; 2) shadowing that...

article

5G green mobile communication networks

Guoqiang Mao

China Communications > 2017 > 14 > 2 > 183 - 184

With the popularization of wireless multimedia communications, the wireless traffic is predicated to be increased more than 1000 time in the next decade. Some new technologies, e.g., massive multi-input multi-output antennas, millimeter wave and small cell networks are developed to support high speed wireless transmission in future fifth generation (5G) mobile communication systems. On the other hand,...

article

Unbalanced Expander Based Compressive Data Gathering in Clustered Wireless Sensor Networks

Xiangling Li, Xiaofeng Tao, Guoqiang Mao

IEEE Access > 2017 > 5 > 7553 - 7566

Conventional compressive sensing-based data gathering (CS-DG) algorithms require a large number of sensors for each compressive sensing measurement, thereby resulting in high energy consumption in clustered wireless sensor networks (WSNs). To solve this problem, we propose a novel energy-efficient CS-DG algorithm, which exploits the better reconstruction accuracy of the adjacency matrix of an unbalanced...

chapter

Socially Aware Distributed Caching in Device-to-Device Communication Networks

Chuan Ma, Ming Ding, He Chen, Zihuai Lin, more

2016 IEEE Globecom Workshops (GC Wkshps) > 1 - 6

2016 IEEE Globecom Workshops (GC Wkshps)

Content caching in user devices with device-to-device (D2D) communication capacities is becoming a promising technique to address the data traffic explosion problem in the next generation mobile networks. In this paper, we develop a socially aware distributed caching strategy based on a decentralized learning automaton, referred to as the Discrete Generalized Pursuit Algorithm (DGPA), to optimize...

chapter

Study on the Idle Mode Capability with LoS and NLoS Transmissions

Ming Ding, David Lopez Perez, Guoqiang Mao, Zihuai Lin

2016 IEEE Global Communications Conference (GLOBECOM) > 1 - 6

GLOBECOM 2016 - 2016 IEEE Global Communications Conference

In this paper, we study the impact of the base station (BS) idle mode capability (IMC) on the network performance in dense small cell networks (SCNs). Different from existing works, we consider a sophisticated path loss model incorporating both line-of-sight (LoS) and non- line-of-sight (NLoS) transmissions. Analytical results are obtained for the coverage probability and the area spectral efficiency...

chapter

STARIMA-based traffic prediction with time-varying lags

Peibo Duan, Guoqiang Mao, Changsheng Zhang, Shangbo Wang

2016 IEEE 19th International Conference on Intelligent Transportation Systems (ITSC) > 1610 - 1615

2016 IEEE 19th International Conference on Intelligent Transportation Systems (ITSC)

Based on the observation that the correlation between observed traffic at two measurement points or traffic stations may be time-varying, attributable to the time-varying speed which subsequently causes variations in the time required to travel between the two points, in this paper, we develop a modified Space-Time Autoregressive Integrated Moving Average (STARIMA) model with time-varying lags for...

article

A Space-Time Analysis of LTE and Wi-Fi Inter-Working

Youjia Chen, Ming Ding, David Lopez-Perez, Zihuai Lin, more

IEEE Journal on Selected Areas in Communications > 2016 > 34 > 11 > 2981 - 2998

Cooperative inter-working of the long-term evolution (LTE) and the wireless fidelity (Wi-Fi) networks have drawn much attention recently, and several strategies have been proposed to enhance their network capacity. In this paper, we propose a new framework to analyze the network performance of several inter-working strategies for the LTE and the Wi-Fi. The proposed framework considers both the LTE...

chapter

Cooperative content offloading through WiFi and mobile device-to-device networks

Guoqiang Mao, Xiaofeng Tao

2016 IEEE 19th International Conference on Intelligent Transportation Systems (ITSC) > 2022 - 2028

2016 IEEE 19th International Conference on Intelligent Transportation Systems (ITSC)

This paper investigates the use of WiFi and mobile device-to-device networks, with vehicular ad hoc networks being a typical example, as a complementary means to offload and reduce the traffic load of cellular networks. A novel cooperative content dissemination strategy is proposed for a heterogeneous network consisting of different types of devices with different levels of mobility, ranging from...

article

Vehicular Communications for 5G Cooperative Small-Cell Networks

Xiaohu Ge, Hui Cheng, Guoqiang Mao, Yang Yang, more

IEEE Transactions on Vehicular Technology > 2016 > 65 > 10 > 7882 - 7894

Cooperative transmission is an effective approach for vehicular communications to improve wireless transmission capacity and reliability in fifth-generation (5G) small-cell networks. Based on distances between the vehicle and cooperative small-cell base stations (BSs), the cooperative probability and the coverage probability have been derived for 5G cooperative small-cell networks where small-cell...

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INFONA - science communication portal

Search results for: Guoqiang Mao

MLE-based localization and performance analysis in probabilistic LOS/NLOS environment

Performance Impact of Idle Mode Capability on Dense Small Cell Networks

Throughput of Infrastructure-Based Cooperative Vehicular Networks

Energy-efficient scheduling for buffer-aided relaying with opportunistic spectral access (invited paper)

Approximation Algorithms for Charging Reward Maximization in Rechargeable Sensor Networks via a Mobile Charger

Multipath Cooperative Communications Networks for Augmented and Virtual Reality Transmission

On the Performance of Full-Duplex Multi-Relay Channels With DF Relays

On the security of warning message dissemination in vehicular Ad hoc networks

Robust Localization Using Range Measurements With Unknown and Bounded Errors

Performance analysis of dense small cell networks with generalized fading

Uplink Performance Analysis of Dense Cellular Networks With LoS and NLoS Transmissions

Statistical Analysis of Path Losses for Sectorized Wireless Networks

5G green mobile communication networks

Unbalanced Expander Based Compressive Data Gathering in Clustered Wireless Sensor Networks

Socially Aware Distributed Caching in Device-to-Device Communication Networks

Study on the Idle Mode Capability with LoS and NLoS Transmissions

STARIMA-based traffic prediction with time-varying lags

A Space-Time Analysis of LTE and Wi-Fi Inter-Working

Cooperative content offloading through WiFi and mobile device-to-device networks

Vehicular Communications for 5G Cooperative Small-Cell Networks

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