Articles

Scalable user selection in FDD massive MIMO

User subset selection requires full downlink channel state information to realize effective multi-user beamforming in frequency-division duplexing (FDD) massive multi-input multi-output (MIMO) systems. However...

Authors: Xing Zhang and Ashutosh Sabharwal

Research on college English teaching based on data mining technology

To improve the efficiency and quality of college English teaching, we analyzed the feasibility and application process of data mining technology in college English teaching. The entire process of data classifi...

Authors: Jinhui Duan and Rui Gao

Parametric codebook design for efficient signal transmission using uniform circular arrays

In order to improve the quality of the received signal and system spectral efficiency, accurate beamforming using a given antenna array is essential for multiple-input multiple-output (MIMO) systems. To obtain...

Authors: Junsik Shin, Junyeub Suh, Sangchun Park and Wonjin Sung

A new scheme to enhance the performance of permutation index–differential chaos shift keying communications system

In this paper, a new scheme based on permutation index–differential chaos shift keying is proposed, modeled, and evaluated in AWGN channel environment. Data is sent by frames, and each frame is headed by a sin...

Authors: Nizar Al Bassam and Oday Al-Jerew

Beampattern analysis of frequency diverse array radar: a review

Electronic beam steering is an essential feature of state-of-the-art radar systems. Conventional phased array (PA) radars with fixed carrier frequencies are well-known for electronically steering their beam wi...

Authors: Zeeshan Ahmad, Meng Chen and Shu-Di Bao

Evaluation method of node importance in temporal satellite networks based on time slot correlation

Temporal satellite networks can accurately describe the dynamic process of satellite networks by considering the interaction relationship and interaction sequence between satellite nodes. In addition, the meas...

Authors: Rui Xu, Xiaoqiang Di, Xiongwen He and Hui Qi

Channelized active noise elimination (CANE) for suppressing quantization noise in bitstream modulated transmitter (BMT)

Bitstream modulated transmitters may offer improved power efficiency and linearity simultaneously in RF power amplifiers. Several modulation techniques including envelop delta-sigma modulation and envelope pul...

Authors: Rui Zhu, Yonghoon Song and Yuanxun Ethan Wang

Correction to: Synchronization in 5G networks: a hybrid Bayesian approach toward clock offset/skew estimation and its impact on localization

Authors: Meysam Goodarzi, Darko Cvetkovski, Nebojsa Maletic, Jesús Gutiérrez and Eckhard Grass

Duplication elimination in cache-uplink transmission over B5G small cell network

In this era of the digital world, data play a central role and are continuously challenging spectrum efficiency. With the introduction of enriched multimedia user-generated content, the challenges are even mor...

Authors: Mubarak Mohammed Al-Ezzi Sufyan, Waheed Ur Rehman, Tabinda Salam, Qazi Ejaz Ali, Abeera Ilyas and Fahmi Quradaa

Joint spectral efficiency optimization of uplink and downlink for massive MIMO-enabled wireless energy harvesting systems

This paper investigated the spectral efficiency (SE) in massive multiple-input multiple-output systems, where all terminals have no fixed power supply and thus need to replenish energy via the received signals...

Authors: Wenfeng Sun, Chen Liu, Mujun Qian, Yan Chen and Shu Xu

Reduced-complexity decoding implementation of QC-LDPC codes with modified shuffling

Layered decoding (LD) facilitates a partially parallel architecture for performing belief propagation (BP) algorithm for decoding low-density parity-check (LDPC) codes. Such a schedule for LDPC codes has, in g...

Authors: Alireza Hasani, Lukasz Lopacinski and Rolf Kraemer

Two-hop cognitive DF relaying with wireless power transfer in time and power domains

In this paper, we consider a wireless powered cognitive relaying system with a secondary relay (SR) capable of harvesting wireless energy. Along with an access point (AP) continuously transmitting the primary ...

Authors: Lina Zheng and Chao Zhai

Deep learning-based optimal placement of a mobile HAP for common throughput maximization in wireless powered communication networks

Hybrid access point (HAP) is a node in wireless powered communication networks (WPCN) that can distribute energy to each wireless device and also can receive information from these devices. Recently, mobile HA...

Authors: Hong-Sik Kim and Inwhee Joe

Smart node relocation (SNR) and connectivity restoration mechanism for wireless sensor networks

Node failures are inevitable in wireless sensor networks (WSNs) because sensor nodes in WSNs are miniature and equipped with small and often irreplaceable batteries. Due to battery drainage, sensor nodes can f...

Authors: Mahmood ul Hassan, Khalid Mahmood, Muhammad Kashif Saeed, Shahzad Ali, Safdar Zaman, Amin Al Awady and Muhammad Saqib

Performance evaluation and design of 5G communication-based millimeter wave antenna

Multiple categories of electronic devices have been introduced recently in response to the demands and developments in the industry. Around 5.19 billion telecom services subscribers today have a significant ef...

Authors: Mustafa Shakir, Sohaib Aslam, M. Usman Sarwar, Muhammad Adnan and Muhammad Rafay Khan

Performance analysis of congestion-aware secure broadcast channels

Congestion-aware scheduling in case of downlink cellular communication has ignored the distribution of diverse content to different clients with heterogeneous secrecy requirements. Other possible application a...

Authors: Antonia Arvanitaki, Nikolaos Pappas, Niklas Carlsson, Parthajit Mohapatra and Oleg Burdakov

Network security situation prediction based on feature separation and dual attention mechanism

With the development of smart cities, network security has become more and more important. In order to improve the safety of smart cities, a situation prediction method based on feature separation and dual att...

Authors: Zhijian Li, Dongmei Zhao, Xinghua Li and Hongbin Zhang

Learning nodes: machine learning-based energy and data management strategy

The efficient use of resources in wireless communications has always been a major issue. In the Internet of Things (IoT), the energy resource becomes more critical. The transmission policy with the aid of a co...

Authors: Yunmin Kim and Tae-Jin Lee

Survey on reconfigurable intelligent surfaces below 10 GHz

Reconfigurable intelligent surface (RIS) is a programmable structure that can be used to control the propagation of electromagnetic waves by changing the electric and magnetic properties of the surface. By pla...

Authors: Visa Tapio, Ibrahim Hemadeh, Alain Mourad, Arman Shojaeifard and Markku Juntti

Designated server-aided revocable identity-based keyword search on lattice

Public key encryption scheme with keyword search is a promising technique supporting search on encrypted data without leaking any information about the keyword. In real applications, it’s critical to find an e...

Authors: Ying Guo, Fei Meng, Leixiao Cheng, Xiaolei Dong and Zhenfu Cao

Alarm method of communication intelligent manhole cover based on multiple event fusion

As a comprehensive utilization of pipeline resources, communication intelligent manhole cover (CIMC) can effectively real-time monitor communication manhole cover and protect the safety of communication pipeli...

Authors: Chengfan Li, Shanming Gu, Gang Guo, Xuefeng Liu, Lan Liu and Junjuan Zhao

Continuous energy consumption measure approach using a DMA double-buffering technique

Measuring the consumption of electronic devices is a difficult and sensitive task. Data acquisition (DAQ) systems are often used to determine such consumption. In theory, measuring energy consumption is straig...

Authors: Daniel Vaquerizo-Hdez, Pablo Muñoz, David F. Barrero and Maria D. R-Moreno

RSST-ARGM: a data-driven approach to long-term sea surface temperature prediction

For the purpose of exploring the long-term variation of regional sea surface temperature (SST), this paper studies the historical SST in regional sea areas and the emission pattern of greenhouse gases, proposi...

Authors: Linqian Zhu, Qi Liu, Xiaodong Liu and Yonghong Zhang

Flexible soft-output decoding of polar codes

In this research, we study soft-output decoding of polar codes. Two representative soft-output decoding algorithms are belief propagation (BP) and soft cancellation (SCAN). The BP algorithm has low latency but...

Authors: Sunghoon Lee, Jooyoun Park, Il-Min Kim and Jun Heo

A blockchain-assisted framework for secure and reliable data sharing in distributed systems

The explosive growth of big data is pushing forward the paradigm of cloud-based data store today. Among other, distributed storage systems are widely adopted due to their superior performance and continuous av...

Authors: Yu Guo, Shenling Wang and Jianhui Huang

TFCrowd: a blockchain-based crowdsourcing framework with enhanced trustworthiness and fairness

Blockchain technology has attracted considerable attention due to the boom of cryptocurrencies and decentralized applications. Among them, the emerging blockchain-based crowdsourcing is a typical paradigm, whi...

Authors: Chunxiao Li, Xidi Qu and Yu Guo

On the optimal energy efficiency and spectral efficiency trade-off of CF massive MIMO SWIPT system

Energy efficiency is a key requirement for future network design, and user-centric (UC) cell-free (CF) massive multi-input multi-output (MIMO) networks can achieve over ten times the energy efficiency. Based o...

Authors: Na Li, Yuanyuan Gao and Kui Xu

ToAM: a task-oriented authentication model for UAVs based on blockchain

The pervasive cooperation of a group of UAVs has attracted increasing attention due to the reduced cost and widespread availability. When working in an untrusted or adversarial environment, the mutual authenti...

Authors: Aiguo Chen, Kun Peng, Zexin Sha, Xincen Zhou, Zhen Yang and Guoming Lu

A blockchain-based privacy-preserving 5G network slicing service level agreement audit scheme

Network slicing, as a key technique of 5G, provides a way that network operators can segment multiple virtual logic on the same physical network and each customer can order specific slicing which can meet his ...

Authors: Ke Xiao, Ziye Geng, Yunhua He, Gang Xu, Chao Wang and Yutong Tian

On optimal number of cognitive radios considering co-site electromagnetic compatibility

With the development and wide applications of wireless communication technology, the limited spectrum resources and the fixed spectrum allocation policy could no longer satisfy the demand for wireless communic...

Authors: Mingxue Liao

Research on application of GPS-based wireless communication system in highway landslide

Machine learning is a branch of the field of artificial intelligence. Deep learning is a complex machine learning algorithm that has unique advantages in image recognition, speech recognition, natural language...

Authors: Zhiwen Xiong

Trajectory tracking control of AGV based on time-varying state feedback

In order to realize the automation of transport equipment, according to the automatic guided vehicle (AGV) kinematics model, the trajectory tracking control of AGV with front wheel steering and rear wheel driv...

Authors: Jin Shang, Jian Zhang and Chengchun Li

Research on TD-LTE wireless communication network propagation model optimization based on visual simulation and GIS

With the support of GIS spatial analysis technology, based on an in-depth study of the wireless propagation environment of a city, combined with the analysis of project requirements, it proposes to use the SPM...

Authors: Tongyan Li, Shuchun Hua, Le Kang and Sheng-Hung Chang

5G IoT-based geohazard monitoring and early warning system and its application

With the expansion of human production activities, geological disasters caused by slope instability are occurring more frequently. Hence, the research on effective monitoring and forecasting of the geotechnica...

Authors: Zhaohua Li, Linquan Fang, Xiaokun Sun and Wang Peng

Deterministic cooperative hybrid ring-mesh network coding for big data transmission over lossy channels in 5G networks

Wired and wireless communication data is getting bigger and bigger at such a high pace. Accordingly, the big data (BD) communication networks should be developed as quickly as the quick increase in the exchang...

Authors: Hani H. Attar, Ahmad A. A. Solyman, Ayat Alrosan, Chinmay Chakraborty and Mohammad R. Khosravi

Leveraging discrete modulation and liquid metal antennas for interference reduction

Recent progress in the understanding of the behavior of the interference channel has led to valuable insights: first, discrete signaling has been discovered to have tangible benefits in the presence of interfe...

Authors: Mirza Uzair Baig, Kareem S. Elassy, Anders Høst-Madsen, Aaron T. Ohta, Wayne A. Shiroma and Aria Nosratinia

Multi-user hybrid precoding for mmWave massive MIMO systems with sub-connected structure

Hybrid precoding achieves a compromise between the sum rate and hardware complexity of millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems. However, most prior works on multi-user h...

Authors: Jianhe Du, Zekun Wang, Yang Zhang, Yalin Guan and Libiao Jin

Spectrum sensing based on adaptive sampling of received signal

Spectrum sensing (SS) has been heatedly discussed due to its capacity to discover the idle registered spectrum bands, which effectively alleviates the shortage of spectrum by spectrum reuse. Energy detector (E...

Authors: Jiawu Miao, Youheng Tan, Yangying Zhang, Yuebo Li, Junsheng Mu and Xiaojun Jing

Application of chaotic encryption algorithm based on variable parameters in RFID security

In the development of the Internet of Things technology, RFID technology plays a very important role in the application of the Internet of Things. However, due to the safety problems caused by the non-contact ...

Authors: Yi Guo, Jianfang Yang and Baolong Liu

Computer wireless network integration technology in equipment state data collection

The paper introduces a handheld integrated power data acquisition and analysis equipment based on a computer wireless network mobile platform, an intelligent transportation inspection box. The intelligent tran...

Authors: Lixin Ma

Building an indoor air quality monitoring system based on the architecture of the Internet of Things

With rapidly changing technology, people have more and more requirements for thermal comforts regarding indoor temperature, humidity, and wind speed, and pay more attention to air quality. Indoor air quality h...

Authors: Wen-Tsai Sung and Sung-Jung Hsiao

Novel channel-hopping pattern-based wireless IoT networks in smart cities for reducing multi-access interference and jamming attacks

In smart cities, the Internet-of-Thing (IoT) provides an enabling communication infrastructure to support tremendous amount of data exchange. Most IoT applications, e.g., wireless local area network, Bluetooth...

Authors: Yiming Liu, Qi Zeng, Yue Zhao, Kaijun Wu and Yao Hao

A low-complexity channel training method for efficient SVD beamforming over MIMO channels

Singular value decomposition (SVD) beamforming is an attractive tool for reducing the energy consumption of data transmissions in wireless sensor networks whose nodes are equipped with multiple antennas. Howev...

Authors: Felipe Kettlun, Fernando Rosas and Christian Oberli

An efficient authentication and key agreement protocol for IoT-enabled devices in distributed cloud computing architecture

With the widespread use of Internet of Things and cloud computing in smart cities, various security and privacy challenges may be encountered.The most basic problem is authentication between each application, ...

Authors: Huihui Huang, Siqi Lu, Zehui Wu and Qiang Wei

A novel two-phase cycle algorithm for effective cyber intrusion detection in edge computing

Edge computing extends traditional cloud services to the edge of the network, closer to users, and is suitable for network services with low latency requirements. With the rise of edge computing, its security ...

Authors: Yiguang Gong, Yunping Liu and Chuanyang Yin

Research on the influence of accounting computerization and networking on E-commerce

E-commerce has broken through the pattern and boundary of traditional commodity exchange, so that there is no need for face-to-face transactions between merchants and consumers. This has impacted the tradition...

Authors: Wenquan Shi

Design and implementation of a smart elderly positioning management system based on wireless communication network

Wireless communication refers to long-distance transmission communication between multiple nodes without propagation through conductors or cables, and wireless communication can be carried out by radio and ele...

Authors: Tiantian Yu and Ruping Wang

Miner revenue optimization algorithm based on Pareto artificial bee colony in blockchain network

In order to improve the revenue of attacking mining pools and miners under block withholding attack, we propose the miner revenue optimization algorithm (MROA) based on Pareto artificial bee colony in blockcha...

Authors: Yourong Chen, Hao Chen, Meng Han, Banteng Liu, Qiuxia Chen, Zhenghua Ma and Zhangquan Wang

Research on enterprise business model and technology innovation based on artificial intelligence

Small- and medium-sized enterprises (SEMs) are the important part of economic society whose innovation activities are of great significance for building innovative country. In order to investigate how technolo...

Authors: Sunping Qu, Hongwei Shi, Huanhuan Zhao, Lin Yu and Yunbo Yu

Physical layer security transmission scheme based on artificial noise in cooperative SWIPT NOMA system

Aiming at high energy consumption and information security problem in the simultaneous wireless information and power transfer (SWIPT) multi-user wiretap network, we propose a user-aided cooperative non-orthog...

Authors: Yong Jin, Zhentao Hu, Dongdong Xie, Guodong Wu and Lin Zhou