Zobrazeno 1 - 10
of 7 702
pro vyhledávání: '"Local oscillator"'
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 6261-6278 (2024)
Lowering the dependency of receivers and sensors on energy supplies is a requirement for a realistic Internet of Things. This is certainly achieved when sensor nodes are powered wirelessly. Local oscillators (LOs), required to receive and transmit mo
Externí odkaz:
https://doaj.org/article/4c9754ffc37c4f11a2f61838cb31928d
Autor:
Mohammad Shahriar Khan Hemel, Md. Rownak Hossain, Mohammad Arif Sobhan Bhuiyan, Tan Jian Ding, Khairun Nisa' Minhad, Kelvin Jian Aun Ooi, Sawal Hamid Md. Ali, Mamun Bin Ibne Reaz
Publikováno v:
Alexandria Engineering Journal, Vol 67, Iss , Pp 301-342 (2023)
Injection-locked frequency divider (ILFD) is an essential component of a phase-locked loop (PLL) used in a communication transceiver. Due to the rapid growth of virtual reality and artificial intelligence technologies, high-speed communication has be
Externí odkaz:
https://doaj.org/article/83bdb8032f4041c2bd45f239b3d86d7d
Publikováno v:
IEEE Open Journal of Circuits and Systems, Vol 4, Pp 283-294 (2023)
A thorough investigation of major contributors to out-of-band emission (OOBE) in transmitters (TXs) utilizing digital modulation schemes is provided. Specifically, the paper delves into the detrimental effects of phase noise of the local oscillator (
Externí odkaz:
https://doaj.org/article/d22ee4fa6c6241c2a58a2f2c55d0a43c
Publikováno v:
Applied Sciences, Vol 14, Iss 2, p 934 (2024)
Dual-polarization division multiplexing (DPDM) is considered to be a potential method to boost the secure key rate (SKR) of the continuous-variable quantum key distribution (CV-QKD) system. In this article, we propose a pilot alternately assisted loc
Externí odkaz:
https://doaj.org/article/fafdbbb174614079beb5b587c1e92351
Publikováno v:
IEEE Access, Vol 10, Pp 100041-100053 (2022)
Continuous variable quantum key distribution (CV-QKD) using a local-local oscillator (LLO) is recently proposed to overcome security issues in conventional CV-QKD systems. However, Eve can manipulate the phase or amplitude of the phase reference puls
Externí odkaz:
https://doaj.org/article/fec9827387254abc8c75a4a59e08b299
Akademický článek
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Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2022, Iss 1, Pp 1-22 (2022)
Abstract The modulated sampling scheme can intercept noncooperative signals distributed in a wide frequency band by using a single receiving channel, which is an efficient architecture in many radar and communication applications. The modulated sampl
Externí odkaz:
https://doaj.org/article/da92cec98b69475fb96bf5f3a299021e
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 6, Pp 1-9 (2022)
Through the relative motion of ladar and object, inverse synthetic aperture ladar can form the virtual synthetic aperture and improve the imaging resolution. On the basis of coherent array detectors with the laser local oscillator, the problem of las
Externí odkaz:
https://doaj.org/article/bbdc89a9064340f59dbfe625729ccac1
Publikováno v:
IEEE Access, Vol 10, Pp 42061-42068 (2022)
We present an ultra-broadband and inexpensive photonic spectrum analyzer (PSA) for wireless signals with a frequency coverage from the microwave range till deep into the terahertz range. The difference frequency of two continuous-wave laser diodes wo
Externí odkaz:
https://doaj.org/article/3bc44ab4185b468d90408499fb1f9d64
Publikováno v:
IEEE Access, Vol 10, Pp 57003-57011 (2022)
A CMOS up-conversion mixer with an intermediate frequency (IF) amplifier and local oscillator (LO) buffer is presented for mobile 28-GHz-band 5G dual-conversion transceivers. A balun transformer with improved common-mode rejection ratio characteristi
Externí odkaz:
https://doaj.org/article/16c4bc9a871b4cdfa54d1c4b8a94565e