Results 61 to 70 of about 610 (179)

CP-Based SBHT-RLS Algorithms for Tracking Channel Estimates in Multicarrier Modulation Systems

open access: yesJournal of Electrical and Computer Engineering, 2012
Cyclic prefix (CP) in multicarrier modulation systems has been considered as an alternative to the training sequences to track channel estimates. In this paper, two new algorithms are developed that exploit CP from their data detection part and employ ...
H. Ali
doaj   +1 more source

Reed Solomon Coding in Orthogonal Frequency Division Multiplexing (OFDM) Communication Systems

open access: yesJournal of Engineering and Sustainable Development, 2012
This paper presents a MATLAB simulation that has been developed to investigate Orthogonal Frequency Division Multiplexing (OFDM) communication system using Reed Solomon (RS) Coding process. The efficient encoding and decoding algorithm, and the powerful
Kadhum Al-Majdi   +2 more
doaj  

Design and Characteristic Analysis of Multicarrier Chaotic Phase Coded Radar Pulse Train Signal

open access: yesInternational Journal of Antennas and Propagation, 2014
By introducing phase code into multicarrier orthogonal frequency division multiplex signal, the multicarrier phase coded (MCPC) radar signal possesses a good spectrum utilization rate and can achieve a good combination of narrowband and wideband ...
Qiongdan Huang   +3 more
doaj   +1 more source

Design of a Baseband Transceiver for Multicarrier CDMA Communications

open access: yesEURASIP Journal on Advances in Signal Processing, 2005
Multicarrier systems have become popular for their spectral efficiency and robustness against frequency-selective fading. Multicarrier code-division multiple access (MC-CDMA) is a technique that combines the advantage of multicarrier modulation with ...
Tsai Pei-Yun   +2 more
doaj   +1 more source

Performance Evaluation of Wavelet Packet Based Multicarrier Modulation (WPMCM) System with PAPRs Reduction over Frequency Selective Rayleigh Fading HF Channel

open access: yesJournal of Engineering and Sustainable Development, 2011
The effectiveness of Wavelet Packet based Multicarrier Modulation (WPMCM) with modulation is investigated, for communication over HF channel. The simulation results show that the performance of the proposed WPMCM system is better than that of ...
Fadhil S. Hasan , Ammar G. Samir
doaj  

Underwater acoustic FBMC communication with multiple mode index modulation

open access: yesEURASIP Journal on Wireless Communications and Networking
In underwater acoustic communication (UWA), there is a significant presence of multipath and Doppler spread. The integration of orthogonal frequency division multiplexing (OFDM) with index modulation (IM), utilizing subcarrier index modulation to enhance
Ziqian Li   +4 more
doaj   +1 more source

An Efficient Design of One and Two-Dimensional DWMT-MCM

open access: yesJournal of Communications Software and Systems
Primarily two areas of research progress are made in this paper: Discrete Wavelet Transform based Multicarrier Modulation (DWT-MCM), and the Discrete Wavelet Multitone based Multicarrier Modulation (DWMT-MCM). In this work, an efficient design of one and
Yahya Jasim Harbi   +3 more
doaj   +1 more source

On the Inadequacy of IEC 60034-2-3 and IEC 60034-30-2 Standards for Power Losses, Efficiency and Energy Class Evaluation in PWM Multilevel Inverter-Driven PMSM

open access: yesIEEE Open Journal of the Industrial Electronics Society
This work aims to highlight the inadequacy of international standards IEC 60034-2-3 and IEC 60034-30-2 for accurate efficiency, power losses, and efficiency class determination of ac motors fed by multilevel inverters driven with multicarrier pulsewidth ...
Claudio Nevoloso   +6 more
doaj   +1 more source

Joint Impact of Frequency Synchronization Errors and Intermodulation Distortion on the Performance of Multicarrier DS-CDMA Systems

open access: yesEURASIP Journal on Advances in Signal Processing, 2005
The performance of multicarrier systems is highly impaired by intercarrier interference (ICI) due to frequency synchronization errors at the receiver and by intermodulation distortion (IMD) introduced by a nonlinear amplifier (NLA) at the transmitter ...
Rugini Luca, Banelli Paolo
doaj   +1 more source

Home - About - Disclaimer - Privacy