Results 1 to 10 of about 3,439 (121)

A Generalized Spatial Modulation System Using Massive MIMO Space Time Coding Antenna Grouping [PDF]

open access: yesEntropy, 2020
Massive multiple input multiple output (MIMO), also known as a very large-scale MIMO, is an emerging technology in wireless communications that increases capacity compared to MIMO systems.
Amira I. Zaki   +3 more
doaj   +2 more sources

Error performance analysis of generalized quadrature spatial modulation using H-8QAM [PDF]

open access: yesScientific Reports, 2022
Motivated to enhance the error performance (EP) of generalised complex quadrature spatial modulation (GCQSM) systems, this study proposes a scheme that builds on GCQSM and uses hexagonal quadrature amplitude modulation (H-QAM) constellations which have ...
Nathael Sibanda   +2 more
doaj   +2 more sources

Covert Information Mapped Generalized Spatial and Direction Modulation toward Secure Wireless Transmission [PDF]

open access: yesSensors
In this paper, for the sake of enhancing the security of wireless transmission, we proposed a novel system based on spatial and direction modulation (SDM) combined with generalized spatial modulation (GSM) which is aided by covert information mapping ...
Yuan Zhong   +6 more
doaj   +2 more sources

Generalized spatial modulation for underwater backscatter communication using acoustic metasurfaces [PDF]

open access: yesScientific Reports
Design of a long-range, high data-rate and ultra low power underwater communications system is crucial for a variety of applications. However, this task is challenging because of the underwater channel dynamics, propagation characteristics and power ...
Ashwini H. Raghavendra   +2 more
doaj   +2 more sources

Mutual Information Analysis for Generalized Spatial Modulation Systems With Multilevel Coding

open access: yesIEEE Open Journal of the Communications Society, 2022
Generalized Spatial Modulation (GSM) enables a trade-off between very high spectral efficiencies and low hardware costs for massive MIMO systems. This is achieved by transmitting information via the selection of active antennas from a set of available ...
Volker Kuhn   +2 more
doaj   +1 more source

Mapping Scheme of Secure Transmission for Generalized Spatial Modulation System [PDF]

open access: yesJisuanji gongcheng, 2020
This paper proposes a new mapping scheme of secure transmission for Generalized Spatial Modulation(GSM) systems to improve GSM security in a time division duplex wireless communication system.The state information of legitimate channels is introduced ...
CHEN Fatang, CHEN Jiatian, LI Xiu
doaj   +1 more source

On the Mates of Cross Z-Complementary Pairs for Training Sequence Design in Generalized Spatial Modulation

open access: yesIEEE Access, 2023
Generalized spatial modulation (GSM) as a novel multiple-antenna transmission technique is an extension of spatial modulation (SM). The GSM system provides flexibility in terms of spectral efficiency, energy efficiency, and the cost of radio-frequency ...
Zhen-Ming Huang   +3 more
doaj   +1 more source

Generalized Approximate Message Passing Detector for GSM-OTFS Systems

open access: yesIEEE Access, 2022
Orthogonal Time Frequency Space (OTFS) as a two-dimensional modulation scheme designed in the delay-Doppler domain, is realized by inverse symplectic finite Fourier transform (ISFFT) and symplectic finite Fourier transform (SFFT), for combating the high ...
Tiebin Wang   +5 more
doaj   +1 more source

SVM Aided Signal Detection in Generalized Spatial Modulation VLC System

open access: yesIEEE Access, 2021
Efficient signal detection technique is developed for generalized spatial modulation (GSM) modulated indoor visible light communication (VLC) system, which is aided by a popular machine learning approach termed as support vector machine (SVM).
Haobo Sun   +4 more
doaj   +1 more source

Complex Hadamard Matrix-Aided Generalized Space Shift Keying Modulation

open access: yesIEEE Access, 2017
In this paper, we present a complex Hadamard matrix-aided generalized space shift keying (HSSK) modulation scheme, which introduces complex-Hadamard-based signal vectors at the transmitter to provide higher spectrum efficiency than generalized space ...
Han Hai   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy