-
1321
Research and Implementation of Intelligent Home Pension System Based on Speech and Semantic Recognition
Published 2022-01-01“…In this method, data transmission, instruction uploading, and receiving are completed by designing the communication interface of home appliance terminal to build the wireless intelligent home communication subsystem, and the voice module of IfI is adopted. …”
Get full text
Article -
1322
Tighter bounds on the Gaussian Q-function based on wild horse optimization algorithm
Published 2025-01-01“…The Gaussian Q-function (GQF) is widely used in various scientific and engineering fields, especially in telecommunications and wireless communication. However, the lack of a closed-form expression for this function has led to considerable research efforts to achieve more accurate approximations. …”
Get full text
Article -
1323
Channel Estimation in DCT-Based OFDM
Published 2014-01-01“…We also study a compressed sensing (CS) based channel estimation, which takes the sparse property of wireless channel into account. Simulation results have shown that the CS based channel estimation is expected to have better performance than LS. …”
Get full text
Article -
1324
One-Time Broadcast Encryption Schemes in Distributed Sensor Networks
Published 2012-03-01“…It has many potential applications in distributed wireless sensor networks (WSNs) but perfect deploying of that method is very difficult. …”
Get full text
Article -
1325
Integrated Miniature Multiband Antenna Designed for WWD and SAR Assessment for Human Exposure
Published 2021-01-01“…The article introduces a new, low-cost, integrated, multiband antenna design intended for wristbands and wearable wireless devices (WWD). With a miniaturized planar square-shape sizing 29 × 29 mm2, the antenna can fit easily inside WWDs. …”
Get full text
Article -
1326
Distributed H∞ Control of AVs Interacting by Uncertain and Switching Topology in a Platoon
Published 2019-01-01“…To overcome the challenges arising from the weakness of wireless communication, this paper presents a distributed H∞ control method for multi-AVs connected by an uncertain and switching topology in a platoon. …”
Get full text
Article -
1327
Channel Estimation Optimization Model in Internet of Things Based on MIMO/OFDM with Deep Extended Kalman Filter
Published 2022-07-01“…Channel estimation plays a vital role in the performance of wireless communication systems. However, apart from the usual OFDM modes, there are also orthogonal conditions for modulationbased multi-channel systems, which make channel estimation on networks such as the Internet of Things (IoT) more complex. …”
Get full text
Article -
1328
Energy Transfer Using Gradient Index Metamaterial
Published 2018-01-01“…The structure nearly doubles the wireless power transfer quantum between the transmitter and the receiver when placed at both ends. …”
Get full text
Article -
1329
Irradiance Scintillation Index for a Gaussian Beam Based on the Generalized Modified Atmospheric Spectrum with Aperture Averaged
Published 2016-01-01“…This paper also examines the effects of the irradiance scintillation on the performance of the point-to-point optical wireless communication system with intensity modulation/direct detection scheme.…”
Get full text
Article -
1330
Solar Charge Controller with Maximum Power Point Tracking for Low-Power Solar Applications
Published 2019-01-01“…On the other hand, in lower power applications such as IoT sensors, solar street lights, and wireless communication nodes, these types of controllers can be produced at a lower cost. …”
Get full text
Article -
1331
High Isolation Millimeter-Wave Wideband MIMO Antenna for 5G Communication
Published 2019-01-01“…Both simulated and measured results show that this proposed MIMO antenna is suitable for the future wireless communications.…”
Get full text
Article -
1332
Wideband Circularly Polarized Microstrip-Slot Antenna with Parasitic Ground Planes
Published 2022-01-01“…Compared with other reported stacked CP antennas, the proposed antenna has significant advantages in CP bandwidth, which could occupy the wireless local area network ITS (5.8 GHz), (5.725–5.85 GHz), and WIFI (5.85–5.925 GHz) bands.…”
Get full text
Article -
1333
Performance Analysis of OFDM under AWGN and Rayleigh Fading Channels Based on Software Defined Radio
Published 2024-12-01“… Orthogonal Frequency Division Multiplexing (OFDM) is a very efficient and popular modulation technique in modern wireless communication systems. OFDM offers advantages in terms of spectrum efficiency, resistance to multi-path interference, and is able to support high data rates. …”
Get full text
Article -
1334
Circularly Polarized Leaky-Wave Antenna Based on Low-Loss Transmission Line
Published 2022-01-01“…A leaky-wave antenna with circular polarization property is proposed in millimeter-wave band, which can be applied in the wireless communication systems and remote sensing. …”
Get full text
Article -
1335
Downlink and Uplink Cooperative Transmission for Primary Secrecy Based Cognitive Radio Sensor Networks
Published 2015-10-01“…Aiming at allocating more licensed spectrum to wireless sensor nodes (SNs) under the constraint of the information security requirement of the primary system, in this paper, we propose a cooperative relaying and jamming secure transmission (CRJS) scheme in which SNs will relay primary message and jam primary eavesdrop concurrently with SN's downlink and uplink information transmission in cognitive radio sensor networks (CRSNs). …”
Get full text
Article -
1336
La prochaine génération de téléphonie mobile (5G) et ses implications (Infrastructure, Réglementation)
Published 2018-12-01“…The “5G” is a new generation of wireless telecommunications technology that promises to revolutionize how the world communicates. …”
Get full text
Article -
1337
Performance Analysis for Priority-Based Broadcast in Vehicular Networks
Published 2013-11-01“…Firstly, an analytical Markov chain model for vehicle-to-vehicle (V2V) ad hoc communication networks is proposed for broadcasting messages with priority based on the IEEE 802.11p wireless access for vehicular environments (WAVE) standard. …”
Get full text
Article -
1338
Binary Image Data Hiding Using Matrix Encoding Technique in Sensors
Published 2013-11-01“…It is very important to protect the copyright of digital images in wireless transmission, because people often use a smart phone in their daily life. …”
Get full text
Article -
1339
V-BAG: A virtual bandwidth aggregation scheme for Internet of Things data
Published 2017-04-01“…The estimator provides an accurate delay and bandwidth estimation of heterogeneous wireless links using network layer information. Finally, the ACK buffer substantially boosts the performance of the scheduler and estimator with a simple ACK buffering scheme. …”
Get full text
Article -
1340
Improved Pilot-Aided Channel Estimation for MIMO-OFDM Fading Channels
Published 2013-01-01“…The space-frequency block code-OFDM (SFBC-OFDM) system and a six-path fading channel model are considered as an example of the high mobility MIMO-OFDM wireless communications system. Through simulations it is shown that SFBC-OFDM system using the proposed approach can satisfy the performance requirements over frequency selective and frequency nonselective fast fading channels.…”
Get full text
Article