Zobrazeno 1 - 10
of 802
pro vyhledávání: '"ofdm modulation"'
Publikováno v:
IET Communications, Vol 18, Iss 19, Pp 1358-1370 (2024)
Abstract Based on empirical data of an orthogonal frequency division multiplexing system in realistic environments of next‐generation cellular networks, a new analytical model of phase noise and numerical characteristics of the common phase error a
Externí odkaz:
https://doaj.org/article/3081bf258bcf4f839a61866e4ec8e1af
Autor:
Sigrid Dimce, Falko Dressler
Publikováno v:
IET Communications, Vol 18, Iss 19, Pp 1319-1334 (2024)
Abstract Coherent multi‐band splicing is an optimal solution for extending existing band‐limited communication systems to support high‐precision sensing applications. Conceptually, the communication system performs narrow‐band measurements at
Externí odkaz:
https://doaj.org/article/592517f1cf464e1dacae2e151148be00
Autor:
Yaswanth K.N.G.B, Valluri Sivaprasad, Nittala Noel Anurag Prashanth, Sachin Salunkhe, Miroslav Mahdal, Chakravarthy Gunturu
Publikováno v:
IET Communications, Vol 18, Iss 19, Pp 1348-1357 (2024)
Abstract Generalized frequency division multiplexing (GFDM) is a flexible block‐structured multi‐carrier scheme recently proposed for next‐generation wireless communication systems. There are various approaches suggested for its analysis and im
Externí odkaz:
https://doaj.org/article/a92af169b68f4ce0ac9b649e05b2befc
Publikováno v:
IET Radar, Sonar & Navigation, Vol 18, Iss 8, Pp 1217-1234 (2024)
Abstract A method is proposed for reconstructing an Orthogonal Frequency Division Multiplexing (OFDM) signal that contains data gaps, with the aim to improve demodulation. The main objective is to use the method in a passive radar application with mi
Externí odkaz:
https://doaj.org/article/d95188e9f1234c0eb2320827d3bd026b
Publikováno v:
IET Communications, Vol 18, Iss 11, Pp 655-670 (2024)
Abstract Here, fast time‐varying channels of high‐mobility vehicle‐to‐vehicle communications for massive multiple‐input multiple‐output orthogonal frequency division multiplexing systems are considered. Large‐scale uniform linear arrays
Externí odkaz:
https://doaj.org/article/35799fccfe5f4a1c8032609089c7d51c
Publikováno v:
IEEE Access, Vol 12, Pp 188542-188559 (2024)
In the next decade, Urban Air Mobility (UAM) is expected to become a global reality. Its success hinges on the realization of infrastructures for air traffic control and management (ATM) to guarantee security and safety in mobility scenarios includin
Externí odkaz:
https://doaj.org/article/4b65b0245422443e92f9d0363872e0d5
Publikováno v:
IET Communications, Vol 17, Iss 15, Pp 1806-1819 (2023)
Abstract Due to the implementation bottleneck of training data collection in realistic wireless communications systems, supervised learning‐based timing synchronization (TS) is challenged by the incompleteness of training data. To tackle this bottl
Externí odkaz:
https://doaj.org/article/70640fd1be6e4bdd8b686e76999b3689
Publikováno v:
IET Optoelectronics, Vol 17, Iss 4, Pp 139-148 (2023)
Abstract Fast‐OFDM‐based intensity‐modulation and direct‐detection (IM/DD) has been proposed for deployment of cost‐efficient optical access networks, due to its implementation simplicity and high spectral efficiency. In this article, the a
Externí odkaz:
https://doaj.org/article/a99e82a1df6a4517a6cd9f2168e426a9
Autor:
Henrik Schulze, Peter A. Hoeher
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-12 (2023)
In many optical wireless communications systems, power efficiency is paramount. In others, flexibility is important. To achieve these goals, this paper presents a novel transmission scheme dubbed asymmetrically clipped optical Hadamard coded modulati
Externí odkaz:
https://doaj.org/article/142150a766c444178e649260397a92b4
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