Results 161 to 170 of about 2,794,451 (217)

Cross-correlation-based signal pruning method (CCSPM) for effective signal distortion reduction in massive MIMO communications. [PDF]

Sci Rep
Kasiselvanathan M, Palanisamy S, Sathishkumar N, Gurumoorthy KB, Alshalali TAN, Narayanan SL.   +5 more
europepmc   +1 more source

Network Coding-Enhanced Polar Codes for Relay-Assisted Visible Light Communication Systems. [PDF]

Entropy (Basel)
Li C, Zhong M, Zhang Y, Song D, Zhang N, Yang J.   +5 more
europepmc   +1 more source

Line-of-sight stability in unmanned aerial vehicle relays for hybrid free-space optical and visible light communication links under atmospheric effects. [PDF]

PLoS One
Sliti M, Ghafoor S, Ayouni S, Mrabet M, Ammar LB, Ijaz M.   +5 more
europepmc   +1 more source

A Deep Learning-Based Emergency Alert Wake-Up Signal Detection Method for the UHD Broadcasting System. [PDF]

Sensors (Basel)
Song JH, Baek MS, Bae B, Song HK.
europepmc   +1 more source

RETRACTED: Signal processing for enhancing railway communication by integrating deep learning and adaptive equalization techniques.

PLoS One
Wang Y, Chang W, Li J, Yang C.
europepmc   +1 more source

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OFDM-IM with Supply Index

2021 IEEE/CIC International Conference on Communications in China (ICCC), 2021
In this paper, a novel orthogonal frequency division multiplexing with index modulation (OFDM-IM) scheme is proposed. In this scheme, the index pattern is composed of the original index pattern and the supply index pattern. This scheme increases the index information transmitted by multiplexing index patterns and makes the system suitable for low ...
Guo Yi, Yuanyuan Fan, Gang Liu
openaire   +2 more sources

Generalized OFDM-IM With Noncoherent Detection

IEEE Transactions on Wireless Communications, 2020
This paper generalizes the conventional noncoherent OFDM-IM systems by allowing selection of different numbers of active subcarriers for message representation. We then present the maximum-likelihood (ML) detection rule for frequency-selective block fading channels.
Ali Fazeli, Ha H. Nguyen 0001, Muhammad Hanif 0002   +2 more
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Distributed cooperative OFDM-IM system

China Communications, 2020
This paper considered a multi-relay distributed cooperative system in which not only the source communicates with the destination, but also the relays have communication requests with the destination. In order to achieve the requirements of simultaneous communication for the source and relays, we propose a distributed cooperative system based on ...
Hua Qing, Hua Yu, Yun Liu, Wei Duan, Miaowen Wen, Fei Ji   +5 more
openaire   +1 more source

Coded OFDM-IM with iterative detection☆

AEU - International Journal of Electronics and Communications, 2020
Abstract Coded Orthogonal frequency division multiplexing with index modulation (OFDM-IM) has been proposed, where channel coding and soft decision are employed to exploit the multipath diversity for the information conveyed by the constellation symbols. However, the performance of coded OFDM-IM is dependent on the detection performance of subcarrier
Qingbo Wang, Gaoqi Dou, Jiali Liu, Jun Gao, Ran Deng   +4 more
openaire   +1 more source

OFDM-IM vs FQAM: A comparative analysis

2016 23rd International Conference on Telecommunications (ICT), 2016
Recently, orthogonal frequency division multiplexing (OFDM) with index modulation (OFDM-IM) as well as frequency and quadrature amplitude modulation (FQAM) have been proven to be promising techniques for the multicarrier transmission over frequency selective fading channels by successfully mitigating the induced interference due to multipath, while at ...
Stavros G. Domouchtsidis, Georgia D. Ntouni, Vasileios M. Kapinas, George K. Karagiannidis   +3 more
openaire   +2 more sources