Zobrazeno 1 - 10
of 1 919
pro vyhledávání: '"companding"'
Publikováno v:
ICT Express, Vol 10, Iss 6, Pp 1247-1252 (2024)
The filter bank multi-carrier with offset quadrature amplitude modulation (FBMC/OQAM) is extensively utilized in communication scenarios characterized by severe Doppler interference, owing its remarkable ability for precise time–frequency positioni
Externí odkaz:
https://doaj.org/article/f5d932c47bbd4d73893ea23493540c9f
Publikováno v:
ETRI Journal, Vol 46, Iss 4, Pp 595-603 (2024)
This paper presents methods for reducing the peak-to-average power ratio (PAPR) of the orthogonal time frequency space (OTFS) signal. These methods mainly consist of two operations: symbol interferometry (SI) and either μ-law or A-law companding. SI
Externí odkaz:
https://doaj.org/article/e23aa3ab8ad745cfad4ccda431bea414
Autor:
Ngo, Trang T.1 trangntt1@ptit.edu.vn, Nguyen, Nhan D.1
Publikováno v:
International Journal of Electronics & Telecommunications. 2020, Vol. 66 Issue 3, p515-520. 6p.
Autor:
D. Ramadevi, P. Trinatha Rao
Publikováno v:
Measurement: Sensors, Vol 33, Iss , Pp 101187- (2024)
In order to advance 5G wireless communication technology, this paper presents a novel method for lowering the Peak-to-Average Power Ratio (PAPR) in Multiple-Input Multiple-Output Orthogonal Frequency-Division Multiplexing (MIMO-OFDM) systems. It is c
Externí odkaz:
https://doaj.org/article/cbe88a284ccd47a59fb950ad91db0b50
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 8, Iss , Pp 100502- (2024)
Generalized Frequency Division Multiplexing (GFDM) has been considered as an attractive candidate to replace Orthogonal Frequency Division Multiplexing (OFDM) for the fifth generation (5 G) mobile networks. GFDM system has better spectral characteris
Externí odkaz:
https://doaj.org/article/0f87311def0442819a7c344bc1548da7
Publikováno v:
Guangtongxin yanjiu, Pp 16-22 (2023)
Multi-carrier modulation technology is an advanced modulation method commonly used in broadband communication systems. However, multi-carrier signals will produce a very large Peak to Average Power Ratio (PAPR) in the time domain, which will lead to
Externí odkaz:
https://doaj.org/article/3f4078fa028741a7a90a7ab9169a6e62
Autor:
Naim Ben Ali, Shri Ramtej Kondamuri, Venkata Sainath Gupta Thadikemalla, Srikar D, Pavel Trojovský, Vijaya Durga Chintala
Publikováno v:
Alexandria Engineering Journal, Vol 79, Iss , Pp 34-43 (2023)
In the single carrier frequency division multiple access (SC-FDMA) system, the use of discrete cosine transform (DCT) instead of discrete Fourier transform (DFT) has shown improved bit error rate (BER) performance. Nevertheless, peak-to-average power
Externí odkaz:
https://doaj.org/article/eb896b5112024abfb13b0dac15a0dbdc
Akademický článek
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Akademický článek
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Autor:
Bana Shekh Faraj, Abdulrahman Siddiq
Publikováno v:
Kirkuk Journal of Science, Vol 17, Iss 1, Pp 7-15 (2022)
This paper is concerned with the Orthogonal Frequency Division Multiplexing (OFDM) system that is adopted by a wireless communication system for transmitting multicarrier modulated signals simultaneously with robustness against interference and noise
Externí odkaz:
https://doaj.org/article/a9f440ee73bf4dc6b01f1e04b70fe219