Covert Information Mapped Generalized Spatial and Direction Modulation toward Secure Wireless Transmission [PDF]
SensorsIn 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 +4 more sources
A Generalized Spatial Modulation System Using Massive MIMO Space Time Coding Antenna Grouping [PDF]
Entropy, 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]
Scientific 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
Generalized spatial modulation for underwater backscatter communication using acoustic metasurfaces [PDF]
Scientific ReportsDesign 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
Transmit Antenna Combination Optimization for Generalized Spatial Modulation Systems
IEEE Access, 2018 Generalized spatial modulation (GSM), where both the transmit antenna combination (TAC) index and the amplitude phase modulation (APM) symbols convey information, is a novel low-complexity and high efficiency multiple-input multiple-output (MIMO ...
Lixia Xiao +6 more
doaj +3 more sources
Precoded Generalized Spatial Modulation for Downlink MIMO Transmissions in Beyond 5G Networks
Applied Sciences, 2020 The design of multiple input multiple output (MIMO) schemes capable of achieving both high spectral and energy efficiency constitutes a challenge for next-generation wireless networks. MIMO schemes based on generalized spatial modulations (GSM) have been
João Pedro Pavia +4 more
doaj +3 more sources
Mutual Information Analysis for Generalized Spatial Modulation Systems With Multilevel Coding
IEEE 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]
Jisuanji 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
IEEE 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
IEEE 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