Results 31 to 40 of about 34,951 (148)

Resource Allocation Algorithm for MU-MIMO Systems With Double-Objective Optimization Under the Existence of the Rank Deficient Channel Matrix

IEEE Access, 2019
This paper proposes a double-objective optimization resource allocation algorithm for the multi-user multiple-input/multiple-output (MU-MIMO) system in the general wireless environment and demonstrates the maximum number of simultaneously supportable ...
Su Pan, Yan Yan, Kusi Ankrah Bonsu, Weiwei Zhou   +3 more
doaj   +1 more source

Notice of Violation of IEEE Publication Principles: Dynamic Embedding and Scheduling of Service Function Chains for Future SDN/NFV-Enabled Networks

IEEE Access, 2019
Currently, software-defined networking (SDN) and network function virtualization (NFV) are the two most promising approaches for implementing network virtualization (NV). Traditional TCP/IP-based networks (e.g.
Haotong Cao, Hongbo Zhu, Longxiang Yang
doaj   +1 more source

Throughput Maximization in Full-Duplex Dual-Hop Wireless Powered Communication Networks

IEEE Access, 2019
In this paper, we consider a dual-hop wireless powered communication network (DH-WPCN) with a full duplex (FD) hybrid access point (HAP), which can transmit energy to the energy-constrained relays and receive information from the users assisted by the ...
Bin Lyu, Ting Qi, Haiyan Guo, Zhen Yang
doaj   +1 more source

Optimal Time Allocation in Backscatter Assisted Wireless Powered Communication Networks

Sensors, 2017
This paper proposes a wireless powered communication network (WPCN) assisted by backscatter communication (BackCom). This model consists of a power station, an information receiver and multiple users that can work in either BackCom mode or harvest-then ...
Bin Lyu, Zhen Yang, Guan Gui, Hikmet Sari   +3 more
doaj   +1 more source

Wireless Powered Communication Networks Assisted by Backscatter Communication

IEEE Access, 2017
This paper proposes a backscatter-assisted wireless powered communication network that includes a hybrid access point and multiple users. In conventional wireless powered communication networks with only harvest-then-transmit (HTT) mode, urgent data ...
Bin Lyu, Zhen Yang, Guan Gui, Youhong Feng   +3 more
doaj   +1 more source

Novel Node Localization Algorithm Based on Nonlinear Weighting Least Square for Wireless Sensor Networks

International Journal of Distributed Sensor Networks, 2012
Positioning of the location information of wireless sensor network nodes is one of the key issues in wireless sensor network applications. The traditional node positioning method based on least-square algorithm heavily depends on the ranging accuracy ...
Fu Xiao, Mingtan Wu, Haiping Huang, Ruchuan Wang, Sudan Wang   +4 more
doaj   +1 more source

Fusing target information from multiple views for robust visual tracking

IET Computer Vision, 2014
In this study, the authors address the problem of tracking a single target in a calibrated multi‐camera surveillance system with information on its location in the first frame of each view. Recently, tracking with online multiple instance learning (OMIL)
Keli Hu, Xing Zhang, Yuzhang Gu, Yingguan Wang   +3 more
doaj   +1 more source

A Spatial Filtering Based Gridless DOA Estimation Method for Coherent Sources

IEEE Access, 2018
In this paper, we investigate a covariance matrix reconstruction approach (CMRA) for direction-of-arrival (DOA) estimation in correlated/coherent sources scenario.
Xiaohuan Wu, Wei-Ping Zhu, Jun Yan, Zeyun Zhang   +3 more
doaj   +1 more source

Cross-Modal Graph Semantic Communication Assisted by Generative AI in the Metaverse for 6G

Research
Recently, the development of the Metaverse has become a frontier spotlight, which is an important demonstration of the integration innovation of advanced technologies in the Internet.
Mingkai Chen, Minghao Liu, Congyan Wang, Xingnuo Song, Zhe Zhang, Yannan Xie, Lei Wang   +6 more
doaj   +1 more source

Challenges of Mobile Social Device Caching

IEEE Access, 2016
Wireless caching at network edges (in user devices or in base stations) is considered to be a promising solution to alleviate backhaul overload in future wireless networks. Device-to-Device (D2D)-assisted caching emerges as an attractive option.
Yecheng Wu, Sha Yao, Yang Yang, Ting Zhou, Hua Qian, Honglin Hu, Matti Hamalainen   +6 more
doaj   +1 more source