Results 211 to 220 of about 22,406 (266)

A hybrid ensembling and autoencoder scheme for improving sensing reliability in cognitive radio networks. [PDF]

PLoS One
Gul N, Ali J, Haq SU, Kim J, Kim SM.
europepmc   +1 more source

Monolithically integrated ultra-wideband photonic receiver on thin film lithium niobate. [PDF]

Commun Eng
Moller de Freitas M, Zhu X, Ullah MS, Shi S, Yao P, Schneider G, Prather DW.   +6 more
europepmc   +1 more source

Ultrabroadband on-chip photonics for full-spectrum wireless communications. [PDF]

Nature
Tao Z, Wang H, Feng H, Guo Y, Shen B, Sun D, Tao Y, Han C, He Y, Bowers JE, Shu H, Wang C, Wang X.   +12 more
europepmc   +1 more source

Microwave MIMO E-Nose for Wireless Communication and Selective Detection of VOC Mixtures with Concentration Estimation. [PDF]

ACS Sens
Hasan MM, Alev O, Skrabanek P, Soukupová G, Hassouna F, Cheffena M.   +5 more
europepmc   +1 more source

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Sensing order optimization in wideband spectrum sensing

2016 IEEE Advanced Information Management, Communicates, Electronic and Automation Control Conference (IMCEC), 2016
In the cognitive radio networks (CRNs), efficient spectrum sensing is a key enabling techniques for the effective spectrum exploration. However, Majority of the existing works on spectrum sensing is conducted the spectrum sensing serially in cognitive radio networks, which may bring about the sensing delay problem.
null Jiang Han, null Yunfei Ma, null Yitao Xu, null Zhiwen Wang   +3 more
openaire   +1 more source

Compressive autonomous sensing (CASe) for wideband spectrum sensing

2012 IEEE International Conference on Communications (ICC), 2012
Compressive spectrum sensing techniques present many advantages over traditional spectrum sensing approaches, e.g., low sampling rate, and reduced energy consumption. However, when the spectral sparsity level is unknown, there are two significant challenges.
Sun, Hongjian, Nallanathan, Arumugam, Jiang, Jing, Poor, H. Vincent   +3 more
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Fast technique for wideband spectrum sensing

2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), 2014
The wideband spectrum sensing method described in this paper considers selecting unoccupied frequencies within a frequency band of interest. Two energy detection criteria are required to select an unoccupied frequency: 1) the energy of an unoccupied frequency must be below a predetermined threshold; 2) the sum of energy surrounding an unoccupied ...
Anthony Martone, Kenneth Ranney
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LPWS Algorithm for Wideband Spectrum Sensing

Wireless Personal Communications, 2016
Wideband or multi-band spectrum sensing is an essential functionality for cognitive radio (CR) networks. It enables a secondary user to identify spectral holes dynamically and transmit opportunistically so as not to interfere with cohabiting primary users over the same bands.
Fulai Liu, Ruiyan Du
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Secure enhanced compressed wideband spectrum sensing

2012 International Conference on Wireless Communications and Signal Processing (WCSP), 2012
Spectrum Sensing Data Falsification (SSDF) attack is one of the most important threats to spectrum sensing for wireless cognitive radio networks. On the basis that the wireless signal in cognitive radio network is inherently sparse in frequency domain, this paper develops a distributed compressed wideband spectrum sensing approach which combines both ...
Yao Gang, Baoyu Zheng, Junqing Chen
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Time-adaptive cooperative wideband spectrum sensing

2012 16th IEEE Mediterranean Electrotechnical Conference, 2012
Cognitive radio networks (CRN) require efficient spectrum sensing (SS) to achieve high-spectrum-utilization by secondary users. For cooperative-CRN, current optimization approaches to SS have focused on maximizing the aggregate throughput while considering only a single-parameter-variable pertinent to sensing, notably the sensing-threshold or the ...
Nedra Hamzaoui, Noureddine Hamdi
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