Design and Study of Cognitive Network Physical Layer Simulation Platform by Yongli An, Dong Wang, Yang Xiao

“…Cognitive radio technology has received wide attention for its ability to sense and use idle frequency. …”
Get full text

An Analytical Approach to Opportunistic Transmission under Rayleigh Fading Channels by Yousaf Bin Zikria, Sung Won Kim, Heejung Yu, Seung Yeob Nam

“…In cognitive radio sensor networks, the routing methods including multiple relays have been extensively studied to achieve higher throughput and lower end-to-end delay. …”
Get full text

High Energy Efficient Heterogeneous Networks: Cooperative and Cognitive Techniques by Heng Wang, Jiamo Jiang, Jian Li, Manzoor Ahmed, Mugen Peng

“…As the promising solution for improving the performance of HetNet, both the cooperative communication and cognitive radio techniques to mitigate the interference in HetNet are surveyed. …”
Get full text

Exploiting Multiple Channels for Low Latency and Semireliable Broadcasting in Cognitive Wireless Sensor Networks by Tae-Sung Kim, Sok-Hyong Kim, Bo-Kyum Kim, Young-Yong Kim

“…For efficient and semireliable broadcast in cognitive radio WSNs, we focus on reducing broadcast latency and achieving 100% delivery percentage. …”
Get full text

Two-Step Frequency Estimation of GNSS Signal in High-Dynamic Environment by Chao Wu, Yafeng Li, Liyan Luo, Jian Xie, Ling Wang

Get full text

Fast Two-Step Energy Detection for Spectrum Sensing by Meiling Lai, Shengliang Peng, Xi Yang, Lin Zhou

“…Spectrum sensing is one of the key tasks in cognitive radio. This paper proposes a fast two-step energy detection (FED) algorithm for spectrum sensing via improving the sampling process of conventional energy detection (CED). …”
Get full text

SPECTRUM OCCUPANCY MEASUREMENT AND ANALYSIS AT OSUN STATE UNIVERSITY CAMPUS, OSOGBO, NIGERIA by HAMMED OYEBAMIJI LASISI, BOLATITO FATIMAH ADERINKOLA, FUNMILOLA MARGARET ADEAGBO

“…This indicated that large portion of the spectrum is unoccupied, and cognitive radio, stands a good chance of being deployed in the examined bands. …”
Get full text

Energy Efficiency Maximization with Optimal Beamforming in Secure MISO CRNs with SWIPT by Liang Xue, Yao Ma, Miao Zhang, Wanqiang Qin, Jin-Long Wang, Yazhou Wu

“…In this paper, the optimal beamforming problem of multi-input single-output (MISO) cognitive radio (CR) downlink networks with simultaneous wireless information and power transfer is studied. …”
Get full text

Jamming-resilient algorithm for underwater cognitive acoustic networks by Zixiang Wang, Fan Zhen, Senlin Zhang, Meiqin Liu, Qunfei Zhang

“…In the underwater cognitive acoustic networks, the anti-jamming problem is quite different from cognitive radio networks. It calls for an effective anti-jamming strategy in the cognitive acoustic channel access. …”
Get full text

A Novel Decentralized Scheme for Cooperative Compressed Spectrum Sensing in Distributed Networks by Huang Jijun, Zha Song

“…However, the computation overhead incurred by compressed reconstruction is nontrivial, especially in a power-constrained cognitive radio (CR). Moreover, additional information, which is generally unavailable in practice, is needed in conventional CS-based wideband spectrum sensing schemes to improve the reconstruction quality as well as the detection performance. …”
Get full text

Cooperative Sequential Sensing of Radio Transmissions in 5G with Improved Cost-Delay Tradeoff by Xiaoyu Qiao, Weiliang Xie, Fengyi Yang

“…Especially for deployment of cognitive radio in 5G, spectrum sensing is regarded as a key technique. …”
Get full text

A Review of Cognitive Control: Advancement, Definition, Framework, and Prospect by Zhenfei Liu, Xunhe Yin

“…Cognitive control is then compared with similar concepts, such as cognitive radio and cognitive radar, and similar control methods, such as intelligent control, robust control, and adaptive control. …”
Get full text

Smart contract-based secure cooperative spectrum sensing algorithm by Chu Ji, Qi Zhu

“…Spectrum sensing is the key technology of cognitive radio. In this article, we apply blockchain technology in spectrum sensing process and propose a related algorithm based on reputation. …”
Get full text

Convergence Research Directions in Cognitive Sensor Networks for Elderly Housing Design by Shinil Suh, Byung-Seo Kim, Jae Hee Chung

“…The proposed directions are to utilize cognitive radio technologies, to classify sensor network technologies according to the types of the elderly, to expand sensor networks services for the elderly housing to the wider area such as blocking unnecessary energy loss, to embed sensor network modules into BIM system, and to research sensor networks fit to modular construction.…”
Get full text

SPECTRUMNET: Cooperative Spectrum Monitoring Using Deep Neural Networks by M. Suriya, M. G. Sumithra

“…Spectrum monitoring is one of the significant tasks required during the spectrum sharing process in cognitive radio networks (CRNs). Although spectrum monitoring is widely used to monitor the usage of allocated spectrum resources, this work focuses on detecting a primary user (PU) in the presence of secondary user (SU) signals. …”
Get full text

High-Level Design Space and Flexibility Exploration for Adaptive, Energy-Efficient WCDMA Channel Estimation Architectures by Zoltán Endre Rákossy, Zheng Wang, Anupam Chattopadhyay

“…To tackle the flexibility requirement, software-defined radio (SDR) is emerging as an obvious solution, where the underlying hardware implementation is tuned via software layers to the varied standards depending on power-performance and quality requirements leading to adaptable, cognitive radio. In this paper, we conduct a case study for representatives of two complexity classes of WCDMA channel estimation algorithms and explore the effect of flexibility on energy efficiency using different implementation options. …”
Get full text

Defense against Malicious Users in Cooperative Spectrum Sensing Using Genetic Algorithm by Noor Gul, Ijaz Mansoor Qureshi, Atif Elahi, Imtiaz Rasool

“…In cognitive radio network (CRN), secondary users (SUs) try to sense and utilize the vacant spectrum of the legitimate primary user (PU) in an efficient manner. …”
Get full text

Multiantenna Spectrum Sensing in the Presence of Multiple Primary Users over Fading and Nonfading Channels by Dayan Adionel Guimarães, Rausley Adriano Amaral de Souza, Guilherme Pedro Aquino

“…The basis of this paper is Wei and Tirkkonen, 2012, in which expressions for the key performance metrics of the sphericity test applied to the multiantenna cooperative spectrum sensing of multiple primary transmitters in cognitive radio networks over nonfading channels are provided. …”
Get full text

Cognitive Scout Node for Communication in Disaster Scenarios by Rajesh K. Sharma, Anastasia Lavrenko, Dirk Kolb, Reiner S. Thomä

“…The cognitive radio (CR) concept has appeared as a promising technology to cope with the spectrum scarcity caused by increased spectrum demand due to the emergence of new applications. …”
Get full text

A Distance-Aware Safety-Related Message Broadcasting Algorithm for Vehicular Networks by Xiaohuan Li, Bin-jie Hu, Hongbin Chen, Jin Ye

Get full text