Results 121 to 130 of about 16,098 (206)
Performance of CP-FREE ST-BC MIMO-OFDM System Under IQ-Imbalance in Multipath Channel [PDF]
[[abstract]]The CP-free MIMO-OFDM system is considered to be an alternative to improve the spectral efficiency of the CP-MIMO-OFDM system. In this paper, we investigate the performance of the CP-free ST-BC MIMO-OFDM system under the effects of non-linear
Chern, Shiunn-Jang
core
AlgorithmsThis paper presents algorithms to estimate the signal-to-noise ratio (SNR) in the time domain and frequency domain that employ a modified Constant Amplitude Zero Autocorrelation (CAZAC) synchronization preamble, denoted as CAZAC-TD and CAZAC-FD SNR ...
Shahid Manzoor +2 more
doaj +1 more source
An RIS-Assisted Integrated Deep Learning Framework for MIMO-OFDM-IM
IEEE AccessMultiple-input multiple-output orthogonal frequency division multiplexing with index modulation (MIMO-OFDM-IM) offers a flexible trade-off between error performance and spectral efficiency.
Md Abdul Aziz +4 more
doaj +1 more source
Experimental study of different turbo coding rates for MIMO-OFDM system
Journal of Measurement Science and Instrumentation, 2016 Multi-input multi-output orthogonal frequency division multiplexing（MIMO-OFDM）is the foremost space interface for 4Gand 5Gbroadband wireless communication.MIMO can transmit diverse signals over multiple antennas and OFDM can divide a radio channel into a
Priti Subramanium, Rajeshree D Raut
doaj
On the Achievable Capacity of MIMO-OFDM Systems in the CathLab Environment. [PDF]
Sensors (Basel), 2020 Guerreiro J, Dinis R, Campos L.
europepmc +1 more source
Математическая модель MIMO-OFDM сигнала
Интернет-журнал Науковедение, 2014 Using the technology of orthogonal frequency (OFDM) and spatial (MIMO) diversity in modern wireless broadband access communication systems allows to achieve increased information efficiency in the multipath propagation and, consequently, to increase the noise immunity of the subject systems.
openaire +1 more source
Time-Frequency Based Channel Estimation for High-Mobility OFDM Systems–Part I: MIMO Case
EURASIP Journal on Advances in Signal Processing, 2010 Multiple-input multiple-output (MIMO) systems hold the potential to drastically improve the spectral efficiency and link reliability in future wireless communications systems.
Chaparro LuisF +2 more
doaj
TRELLIS CODED MAPPING FOR PEAK TO AVERAGE POWER REDUCTION IN SFBC MIMO OFDM SYSTEMS
ICTACT Journal on Communication Technology, 2016 Space frequency block code orthogonal frequency division multiplexing (SFBC-OFDM) systems has inherit drawbacks of high peak-to average power ratio (PAPR) signals, and constellation shaping with trellis is a promising approach for reducing both peak ...
P. N. Kota, A. N. Gaikwad, B. P. Patil
doaj
MIMO-OFDM JSAC Waveform Design Based on Phase Perturbation and Hybrid Optimization. [PDF]
Sensors (Basel)Guo Z, Chen B, Peng S.
europepmc +1 more source
Fine carrier frequency offset estimation for OFDM and MIMO-OFDM systems: A comparative study. [PDF]
Sci RepKotb MME +3 more
europepmc +1 more source