Zobrazeno 1 - 10
of 2 696
pro vyhledávání: '"WCDMA"'
Autor:
alireza shamsi
Publikováno v:
International Journal of Industrial Electronics, Control and Optimization, Vol 3, Iss 2, Pp 196-204 (2020)
This paper proposes a new mismatch cancelation technique for quadrature delta-sigma modulators (QDSM). In this approach, a high speed and simple structure dynamic element matching (DEM) based on homogenization and time-division (HTD) is designed. In
Externí odkaz:
https://doaj.org/article/7616493a33a64cdfacb869965a9dbd0e
Autor:
Ae-Kyoung Lee, Hyung-Do Choi
Publikováno v:
IEEE Access, Vol 8, Pp 163176-163185 (2020)
The aim of this paper is to present the measurement results of the transmitted (Tx) power levels of mobile phones in currently operating wireless communication networks in Seoul in 2015 and 2017 and the calculation results of the specific absorption
Externí odkaz:
https://doaj.org/article/17e3ba72eb8d499cbc964b99fc79824e
Publikováno v:
Aviation, Vol 24, Iss 1 (2020)
First built models of Remotely Piloted Air System (RPAS) communication channels based on Wideband Code Division Multiple Access (WCDMA) 3GPP Standard were designed. Base Station (BS) transmission within the Radio Line of Sight (RLoS) and through the
Externí odkaz:
https://doaj.org/article/4d13f83d398e4540a79f7ed8bee1942d
Publikováno v:
Proceedings of the international scientific conference " MODERN CHALLENGES IN TELECOMMUNICATIONS "; 2023: Proceedings of the Seventeenth International Scientific and Technical Conference "MODERN CHALLENGES IN TELECOMMUNICATIONS", held on April 18-21, 2023 in Kyiv, Ukraine.; 62-65
Збірник матеріалів Міжнародної науково-технічної конференції «ПЕРСПЕКТИВИ ТЕЛЕКОМУНІКАЦІЙ»; 2023: Матеріали сімнадцятої Міжнародної науково-технічної конференції 18-21 квітня 2023 р., м. Київ, Україна; 62-65
Збірник матеріалів Міжнародної науково-технічної конференції «ПЕРСПЕКТИВИ ТЕЛЕКОМУНІКАЦІЙ»; 2023: Матеріали сімнадцятої Міжнародної науково-технічної конференції 18-21 квітня 2023 р., м. Київ, Україна; 62-65
Modeling in the MatLab software package showed the possibility of using new composite Barker codes as code words in direct spread spectrum systems.
На даний час широкосмугові сигнали (ШСС) знаходять за
На даний час широкосмугові сигнали (ШСС) знаходять за
Publikováno v:
Majalah Ilmiah Teknologi Elektro, Vol 16, Iss 2, Pp 95-103 (2017)
In WCDMA system, signal service coverage determines quality service of telecommunication network . To give maximum network service at Jl. Tengah I Kerobokan area, thus requiring the study of the arrangement of the cell coverage on BTS Protpeliatan Se
Externí odkaz:
https://doaj.org/article/ed3f2a5fb69a492b81fd683014cc1769
Publikováno v:
Bulletin of Electrical Engineering and Informatics. 11:901-908
Noise in 4G communication systems is a pressing current problem. There are various ways to reduce phase noise. The sigma-delta passive adder entrenched (PAE) approach was chosen for the WCDMA system because it provides a spurious level, phase noise,
Publikováno v:
Dianxin kexue, Vol 31, Pp 75-78 (2015)
A modified path-loss model for the Alar terrain by taking the effect of dust and sand storm into account was proposed. A dust factor was introduced into the model by curve fitting operation from measured strength of the received signal from a WCDMA b
Externí odkaz:
https://doaj.org/article/69da607b504e41ca90aed0f426bfd1dc
Autor:
A. G. Markoc, G. Sisul
Publikováno v:
Radioengineering, Vol 24, Iss 2, Pp 499-506 (2015)
The increasing demands for high data rates, drives the efforts for more efficient usage of the finite natural radio spectrum resources. Existing wideband code division multiple access (WCDMA) uplink outer loop power control has difficulty to answer t
Externí odkaz:
https://doaj.org/article/370761fb87bc4c2fb7cd8020f2e4fed1
Autor:
Paramananda Joshi, Mukesh Agrawal, Bjorn Thors, Davide Colombi, Ashwani Kumar, Christer Tornevik
Publikováno v:
IEEE Access, Vol 3, Pp 1051-1059 (2015)
The aim of this paper is to present results on output power level distributions of radio base stations (RBSs) and user devices connected to a wideband code division multiple access-based third generation (3G) mobile communication network in India and
Externí odkaz:
https://doaj.org/article/e022710de78e49459fb2f17744705e63
The design and construction of a cellular network are complex processes that involve the selection and configuration of various components and the support infrastructure. This study aims to provide a net revenue maximizing model for network designers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3152b0bef336d8a71b6af59985831a6f