Results 101 to 110 of about 708 (167)

Multi-mode selective OFDM index modulation transmission scheme

Tongxin xuebao
In order to solve the problem that index information was limited by the number of subcarrier activation patterns and single signal constellation mode in orthogonal frequency division multiplexing with index modulation (OFDM-IM), a multi-mode selective ...
GUO Yi, ZHU Yuchen, WANG Yiqing, LIU Gang, FU Shaozhong   +4 more
doaj  

Vector Approximate Message Passing Based OFDM-IM Detection for Underwater Acoustic Communications. [PDF]

Entropy (Basel), 2023
Feng X, Tian F, Zhou M, Sun H, Qasem ZAH.   +4 more
europepmc   +1 more source

Distributed Processing for Multi-Relay Assisted OFDM with Index Modulation

, 2019
Orthogonal frequency-division multiplexing with index modulation (OFDM-IM) has become a high-profile modulation scheme for the fifth generation (5G) wireless communications, and thus been extended to multi-hop scenarios in order to improve the network ...
Li, Jun, Dang, Shuping, Mumtaz, Shahid, Wen, Miaowen   +3 more
core   +1 more source

The Impact of OFDM-IM System Parameters on the Performance of the SLM PAPR Reduction Technique

NTU Journal of Engineering and Technology
Orthogonal Frequency Division Multiplexing with Index Modulation (OFDM-IM) is an effective communication technology that utilizes subcarrier indices to transmit information in addition to the information traditionally modulated on active subcarriers ...
Zainab Mohammed Abdulkareem, Mahdi Fadil Khaleel, Mahmoud Shakir Wahhab   +2 more
doaj   +1 more source

Optimization of the Number of Active Subcarriers and M-PAM Modulation Constellation Pattern for OFDM-IM Systems

مهندسی مخابرات جنوب
Orthogonal Frequency Division Multiplexing with Index Modulation (OFDM-IM) is a system that exhibits superior power efficiency and bandwidth compared to the conventional OFDM system.
Farshad Jalili kharajoo, SeyyedHadi SeyyedMasoumian Charandabi   +1 more
doaj  

Performance evaluation of deep learning algorithms for channel estimation in OFDM-IM

Engineering Science and Technology, an International Journal
This paper presents a detailed performance evaluation on the use of various deep neural networks for channel estimation in orthogonal frequency division multiplexing with index modulation (OFDM-IM) systems.
Omer Adiguzel, Ibrahim Develi
doaj   +1 more source

Passive Backscatter Communication Scheme for OFDM-IM with Dynamic Carrier Activation. [PDF]

Sensors (Basel), 2023
Li S, Lu R.
europepmc   +1 more source

Transformer-Based Detection for Highly Mobile Coded OFDM Systems. [PDF]

Entropy (Basel), 2023
Wang L, Zhou W, Tong Z, Zeng X, Zhan J, Li J, Chen R.   +6 more
europepmc   +1 more source

Coordinate Interleaved OFDM With Repeated In-Phase/Quadrature Index Modulation

<p>Orthogonal frequency division multiplexing with index modulation (OFDM-IM), which transmits information bits through ordinary constellation symbols and indices of active subcarriers, is a promising multicarrier transmission scheme and has ...
Arslan, Emre, Tugtekin, Omer Furkan, Dogukan, Ali Tugberk, Basar, Ertugrul   +3 more
core   +1 more source

A Hybrid PAPR Reduction Scheme in OFDM-IM Using Phase Rotation Factors and Dither Signals on Partial Sub-Carriers. [PDF]

Entropy (Basel), 2022
Zhang SY, Zheng H.
europepmc   +1 more source