Zobrazeno 1 - 10
of 57 806
pro vyhledávání: '"ofdm"'
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 5, Pp 1280-1288 (2024)
In this paper, in order to reduce the energy leakage caused by the discretized representation in sparse channel estimation for Orthogonal Frequency Division Multiplexing (OFDM) systems, we systematically have analyzed the optimal locations of atoms w
Externí odkaz:
https://doaj.org/article/0030810940874184b52158cfc8972906
Autor:
Stephan Pfletschinger, Guido Dietl
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-15 (2024)
Abstract The peak-to-average power ratio (PAPR), commonly used to describe the amplitude variations of an OFDM (orthogonal frequency-division multiplex) signal, does not accurately reflect its impact on the system performance. This paper applies the
Externí odkaz:
https://doaj.org/article/fc99d6c1c3ac4bf7a3782f9537454a44
Publikováno v:
Urban Lifeline, Vol 2, Iss 1, Pp 1-13 (2024)
Abstract The combination of fingerprint positioning and 5G (the 5th Generation Mobile Communication Technology) offers broader application prospects for indoor positioning technology, but also brings challenges in real-time performance. In this paper
Externí odkaz:
https://doaj.org/article/0028b4527f3b486eb7938fe03330e28a
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract The increasing volume of air traffic has placed significant stress on the current Air Traffic Management (ATM) systems, especially concerning the use of Very High Frequency (VHF) communication bands. As air traffic continues to grow, the lim
Externí odkaz:
https://doaj.org/article/1677c25b24764d35a9addf9b839e9400
Autor:
H. Lalitha, Navin Kumar
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-19 (2024)
Abstract Multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) with index modulation (IM) MIMO-OFDM-IM is a modulation technique that has garnered significant interest in recent times owing to its attraction of smoot
Externí odkaz:
https://doaj.org/article/712b817c83814c99b3fc1e005b652ecd
Publikováno v:
Radioengineering, Vol 33, Iss 3, Pp 339-348 (2024)
This paper conducts a validation of two linearization approaches that utilize baseband nonlinear linearization signals of the 2nd order, through practical experiments on an asymmetrical two-way microstrip Doherty amplifier (ADA), and simulations on a
Externí odkaz:
https://doaj.org/article/dbc77d4842c14d6db5817dc21be509a8
Autor:
Chaudhuri Manoj Kumar Swain
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 9, Iss , Pp 100726- (2024)
In this research work, investigation of percentage of coverage area is performed for coded OFDM (COFDM) based high-speed railways (HSR) communication networks. Different HSR scenarios such as viaduct, rural, suburban, urban and cutting etc. are co
Externí odkaz:
https://doaj.org/article/b35eb5a8b30242638a7b65a0364d7580
Autor:
Arslan Khalid, Prapun Suksompong
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 4, Pp 1048-1056 (2024)
Space-Time Block Coded (STBC) Orthogonal Frequency Division Multiplexing (OFDM) satisfies higher data-rate requirements while maintaining signal quality in a multipath fading channel. However, conventional STBCs, including Orthogonal STBCs (OSTBCs),
Externí odkaz:
https://doaj.org/article/a111b8072df2410d98e9a609a165e364
Publikováno v:
Guangtongxin yanjiu, Pp 23001701-23001707 (2024)
【Objective】The symbol decomposition technique aims to decompose Optical Orthogonal Frequency Division Multiplexing (O-OFDM) symbols into multiple symbols with a small Peak to Average Power Ratio (PAPR) to mitigate the non-linear effects of Light
Externí odkaz:
https://doaj.org/article/bb86b137e34c4b7384a4990111bd367e
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