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9 Results Found

  • Article
  • Open Access
3 Citations
1,584 Views
14 Pages

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

  • Yuan Zhong,
  • Zhengyu Ji,
  • Xianglu Li,
  • Peng Fei and ,
  • Dong Hou,
  • Zhigang Wang and
  • Jie Tian
  • + 2 authors+ 0 author

30 September 2024

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...

(This article belongs to the Special Issue System Design and Signal Processing for 6G Wireless Communications)
  • Article
  • Open Access
2 Citations
1,748 Views
23 Pages

Distributed Goppa-Coded Generalized Spatial Modulation: Optimized Design and Performance Study

  • Chunli Zhao,
  • Fengfan Yang,
  • Daniel Kariuki Waweru,
  • Chen Chen and ,
  • Hongjun Xu and
  • Lin Luo
  • + 1 author+ 0 author

The distributed Goppa-coded generalized spatial modulation (DGC-GSM) scheme with the source, relay, and destination in cooperative communications is proposed, where the source and relay adopt different Goppa codes. Goppa codes have many advantages su...

  • Article
  • Open Access
3 Citations
4,550 Views
19 Pages

Precoded Generalized Spatial Modulation for Downlink MIMO Transmissions in Beyond 5G Networks

  • João Pedro Pavia,
  • Vasco Velez,
  • Bernardo Brogueira,
  • Nuno Souto and
  • Américo Correia

22 September 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...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
1 Citations
3,082 Views
15 Pages

Generalized spatial modulation (GSM) technology is an extension of spatial modulation (SM) technology, and one of its main advantages is to further improve band efficiency. However, the multiple active antennas for transmission also brings the demodu...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
9 Citations
5,385 Views
10 Pages

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

  • Amira I. Zaki,
  • Mahmoud Nassar,
  • Moustafa H. Aly and
  • Waleed K. Badawi

30 November 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. The massive MIMO communication technique is currently forming...

(This article belongs to the Collection Feature Papers in Information Theory)
  • Article
  • Open Access
19 Citations
4,386 Views
17 Pages

Pilot-Based Adaptive Channel Estimation for Underwater Spatial Modulation Technologies

  • Naveed Ur Rehman Junejo,
  • Hamada Esmaiel,
  • Haixin Sun,
  • Zeyad A. H. Qasem and
  • Junfeng Wang

24 May 2019

Spatial Modulation Technologies (SMTs) are schemes that reduce inter-carrier interference (ICI), inter-channel interference, inter-antenna synchronization (IAS), and system complexity for multiple-input multiple-output (MIMO) communication systems. M...

  • Proceeding Paper
  • Open Access
469 Views
9 Pages

A Portable IoT-Enabled System for Georeferenced Soil Nutrient Screening in Agricultural Fields

  • Omar Flores-Cortez,
  • Bayron Cordero,
  • Fernando Arévalo,
  • Carlos Pocasangre and
  • Werner Melendez

6 August 2026

This paper presents the design and preliminary field validation of a portable, low-cost Internet of Things (IoT) station for georeferenced soil nutrient profiling in agricultural environments. The proposed system integrates a digital RS-485 NPK soil...

(This article belongs to the Proceedings of The 15th International Scientific Conference TechSys 2026—Engineering, Technologies and Systems)
  • Article
  • Open Access
5 Citations
3,462 Views
24 Pages

System-Level Assessment of a C-RAN based on Generalized Space–Frequency Index Modulation for 5G New Radio and Beyond

  • Vasco Velez,
  • João Pedro Pavia,
  • Catarina Rita,
  • Carolina Gonçalves and ,
  • Nuno Souto,
  • Pedro Sebastião and
  • Américo Correia
  • + 2 authors+ 0 author

2 February 2022

Index modulation (IM) has been attracting considerable research efforts in recent years as it is considered a promising technology that can enhance spectral and energy efficiency and help cope with the rising demand of mobile traffic in future wirele...

(This article belongs to the Special Issue Massive MIMO Systems for 5G and beyond Networks: Latest Advances and Prospects)
  • Article
  • Open Access
23 Citations
9,119 Views
16 Pages

Development of a Spatial Decision Support System for Real-Time Flood Early Warning in the Vu Gia-Thu Bon River Basin, Quang Nam Province, Vietnam

  • Hong T. Nguyen,
  • Trung Q. Duong,
  • Liem D. Nguyen,
  • Tram Q.N. Vo and ,
  • Nhat T. Tran,
  • Phuong D.N. Dang,
  • Long D. Nguyen,
  • Cuong K. Dang and
  • Loi K. Nguyen
  • + 4 authors+ 0 author

17 March 2020

Vu Gia-Thu Bon (VGTB) river basin is an area where flash flood and heavy flood events occur frequently, negatively impacting the local community and socio-economic development of Quang Nam Province. In recent years, structural and non–structura...

(This article belongs to the Section Internet of Things)