-
Chapter and Conference Paper
FLSwitch: Towards Secure and Fast Model Aggregation for Federated Deep Learning with a Learning State-Aware Switch
Security and efficiency are two desirable properties of federated learning (FL). To enforce data security for FL participants, homomorphic encryption (HE) is widely adopted. However, existing solutions based o...
-
Article
Open AccessOptimization of ACF-DSR-based joint Doppler shift and SNR estimator for Internet of Vehicle system
Accurate vehicle speed estimation is required for intelligent internet of vehicles, and it can be realized by Doppler shift estimation in mobile communication. In this paper, the ACF-DSR (autocorrelation funct...
-
Article
Open AccessAlpha and theta peak frequency track on- and off-thoughts
Our thoughts are highly dynamic in their contents. At some points, our thoughts are related to external stimuli or tasks focusing on single content (on-single thoughts), While in other moments, they are drifti...
-
Article
Open AccessOptimization of the energy efficiency in Smart Internet of Vehicles assisted by MEC
Smart Internet of Vehicles (IoV) as a promising application in Internet of Things emerges with the development of the fifth generation mobile communication (5G). Nevertheless, the heterogeneous requirements of...
-
Chapter and Conference Paper
The Wave Filter Design of UFMC Vehicle Communication System
In recent years, the requirements for low delay and reliability of vehicular communication are becoming more and more strict, while the traditional OFDM (Orthogonal Frequency Division Multiplexing) technology ...
-
Article
Optimization of FBMC Waveform by Designing NPR Prototype Filter with Improved Stopband Suppression
In comparison with orthogonal frequency division multiplexing (OFDM), the filter bank multicarrier (FBMC) can reduce the out-of-band emissions through well-designed prototype filters, e.g., the isotropic ortho...
-
Chapter and Conference Paper
Timing Error Detection and Recovery Based on Linear Interpolation
Timing synchronization is a critical and essential component of a satellite communication system. In order to synchronize the received signal with the sampling clock, the synchronization system in the receivin...
-
Chapter and Conference Paper
Design of FIR Filter Based on Genetic Algorithm
The finite impulse response (FIR) filter has been widely used in wireless communication systems and its design is crucial for modern Space-air-ground-sea integrated communication equipment. Then, genetic algor...
-
Article
The nonlinear-phase design of FBMC prototype filter based on filter coefficient symmetry characteristic
To promote filter bank multicarrier (FBMC) in future communication, a novel design method of nonlinear phase FIR filter (NLPFF) is proposed under the principle of constrained minimax (CMM), by which the design...
-
Chapter and Conference Paper
A Quadratic Programming Localization Based on TDOA Measurement
With the popularity of smart devices, applications based on location services have been widely used, and wireless positioning technology can provide accurate positioning information. However, due to the effect...
-
Chapter and Conference Paper
An Improved RSA Algorithm for Wireless Localization
Wireless localization has become a hot issue in Internet of things, but the none-line-of-sight (NLOS) propagation will degrade the performance of traditional localization algorithms. Therefore, this paper prop...
-
Chapter and Conference Paper
Optimization of FBMC Waveform by Designing NPR Prototype Filter with Improved Stopband Suppression
FBMC can relax the out-of-band emissions problem in OFDM by using well-designed prototype filter such as the isotropic orthogonal transform algorithm. In order to achieve more flexibility in filter performance...
-
Article
Geometry-based non-line-of-sight error mitigation and localization in wireless communications
Recently, positioning services have received considerable attention. The primary source of the positioning error is non-line-of-sight (NLOS) propagation. To address this problem, we propose a novel NLOS mitiga...
-
Chapter and Conference Paper
Energy Trading Scheme Based on Stackelberg Game to Optimize Energy Price and Power
In this article, we use the Stackelberg game based on energy trading scheme to optimize two variable parameters at the same time. In wireless RF energy harvesting, we use energy access point EAP to charge the ...
-
Chapter and Conference Paper
Resource Allocation for Energy Efficiency Maximization in OFDM-Based SWIPT Systems
In this paper, we propose a resource allocation algorithm for maximizing system energy efficiency in a downlink OFDM-based SWIPT system, in which the energy efficiency of the system is maximized by jointly opt...
-
Chapter and Conference Paper
Optimize Bundle Size in Satellite DTN Links with Markov Method
Disruption-tolerant networks (DTN) are very useful in situations that links are unstable and bandwidth is precious, i.e. inter satellite links. Both distance and the size of transmitted bundles can affect the ...
-
Chapter and Conference Paper
Optimal Power Splitting of Cognitive Radio Networks with SWIPT-Enabled Relay
Cognitive radio (CR), as an intelligent spectrum sharing technology, can improve utilization of spectrum by sharing the licensed spectrum bands with secondary users (SUs) as long as do not have harmful effect ...
-
Chapter and Conference Paper
Improved RSA Localization Based on the Lagrange Multiplier Optimization
The non-line-of-sight (NLOS) error in wireless network is the main factor that affects the accuracy of positioning algorithm. Therefore, this paper proposes an improved range-scaling-algorithm (RSA) using the ...
-
Chapter and Conference Paper
RETRACTED CHAPTER: A Method of Balanced Sleep Scheduling in Renewable Wireless Sensor Networks
Energy harvesting from its environmental sources becomes an integral part of green cities. This paper considers a low-energy consumption Wireless Sensor Networks to improve energy utilization in green cities. ...
-
Chapter and Conference Paper
Retraction Note to: A Method of Balanced Sleep Scheduling in Renewable Wireless Sensor Networks
The authors have retracted this article [1] because of the following errors which undermine the paper: