W-CDMA
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RPAS COMMUNICATION CHANNELS BASED ON WCDMA 3GPP STANDARD Open
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 t…
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A Low-Profile Wideband Antenna for WWAN/LTE Applications Open
In this paper, a low-profile antenna is presented for wideband communication applications. The presented design consists of an I-shaped driven strip and a rectangular ground strip with an open slot in the middle and a steeped lower portion…
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Requirements of a C-CDMA Pseudolite Indoor Geolocation System Open
The paper provides the requirements for building (or designing) a Carrier-Code Division Multiple Access (C-CDMA) pseudolite indoor geolocation system.A C-CDMA pseudolite indoor geolocation system consists of four C-CDMA pseudolites and one…
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Design and Fabrication of a Novel Compact Low-loss Microstrip Diplexer for WCDMA and WiMAX Applications Open
In this paper, a novel miniaturized microstrip diplexer using two bandpass filters (BPFs) is designed and fabricated. The filters consist of stub loaded coupled lines. Additional stubs and T-shape feeding structures are added to miniaturiz…
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Clearing the smog ceiling: The impact of women’s political empowerment on air quality in European regions Open
This study explores the impact of female political empowerment on air quality outcomes. Women’s stronger environmental concerns and pro-environmental behaviors may lead to better air quality as they progressively break the glass ceiling in…
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Wideband Rectangular Foldable and Non-foldable Antenna for Internet of Things Applications Open
This article presents a simple wideband rectangular antenna in foldable and non-foldable (printed circuit board (PCB)) structures for Internet of Things (IoT) applications. Both are simple structures with two similar rectangular metal plan…
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Comparison Analysis of CDMA Multiuser Detection using PSO and SMO Open
Using Spider monkey optimization (SMO) has become a common heuristic technique in many fields of engineering.In this paper, we apply SMO to solve near far effect problems in code division multiple access (CDMA) system, to reduce the comput…
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Experimental Study on the Impact of Weather Conditions on Wide Code Division Multiple Access Signals in Nigeria Open
In cellular network activities, before a site is integrated it is expected that each cell of the site meets the Nigerian Communication Commission (NCC) standard of ≥98% for both service accessibility and call completion rate which in turn …
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Performance of Turbo Code in CDMA under AWGN Channel Open
Carrier Division Multiple Access is considered as an efficient technique in wireless communication due to its high possibility to serve an unlimited number of users.CDMA uses the same frequency concurrently with wireless communication.In t…
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Performance Evaluation of Scheduling Algorithms for 4G (LTE) Open
Long Term Evolution (LTE) is designed to revolutionize mobile broadband technology with key considerations of higher data rate, improved power efficiency, low latency and better quality of service. This work analyzes the impact of resource…
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Capacity, Coverage and Power Profile Performance Evaluation of a Novel Rural Broadband Services Exploiting TVWS From High Altitude Platform Open
The coverage and capacity of exploiting TV White Spaces (TVWS) from High Altitude Platforms (HAPs) with multiple antenna payloads using uniform rectangular phased array (URA) antennas are explored in this article. A scenario is suggested i…
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Numerical Modeling of Smartphones with WCDMA, LTE, and WLAN Bands for Epidemiological Studies Open
This paper presents the representative numerical modeling of smartphones with wideband code division multiple access (WCDMA), long-term evaluation (LTE), and wireless local area network (WLAN) bands for epidemiological studies. For this pu…
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A 0.07–3 GHz wideband front-end for SDR receiver with 2.3 dB NF and 12 dBm IIP<sub>3</sub> in 65 nm CMOS Open
This paper presents a wideband (0.07–3 GHz) receiver front-end realized in 65 nm CMOS technology for mobile Software-Defined Radio (SDR) applications. A more power-efficient wideband common-gate low-noise amplifier (LNA) featuring a common…
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Main parameters of SppC-based "linac-ring eA" and "ring-ring muA" colliders Open
Concerning future lepton-nucleus colliders, International Linear Collider (ILC) and Plasma Wake Field Accelerator-Linear Collider (PWFA-LC) electrons in order of 0.5 TeV and 5 TeV, respectively, colliding with Super proton-proton Collider …
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Design of a reconfigurable front‐end for a multistandard receiver for the frequency range of 800 MHz to 2.5 GHz Open
Summary In this paper, a reconfigurable receiver front‐end for the frequency range of 800 MHz to 2.5 GHz is presented. The radio frequency front‐end is realized in wideband form with reconfigurable baseband filter. The proposed front‐end t…
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An Integrated Linearization Technique for GaAs Bipolar WCDMA Power Amplifier Open
Here we report a novel linearization and efficiency improvement technique for heterojunction bipolar transistor (HBT)-based Wireless Code Division Multiple Access (WCDMA) power amplifier.A process solution is proposed where a tantalum nitr…
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Technological importance and breadth of standard essential patents: A comparison between practicing and non‐practicing entities for mobile telecommunication technologies Open
Using 23 867 standard essential patents claimed for three different wireless telecommunication standards (GSM, WCDMA, and LTE), this research examined the difference in technological importance and breadth of patents between practicing and…
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Performance Evaluation of Direct Sequence WCDMA Power Control Open
The aim of this paper is a study of Wide Code Division Multiple Access (WCDMA) power control through the Signal-to-Noise Ratio against Bit Error Rate.The various factors that took into account for the analysis of performances the Additive …
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Manajemen Pembinaan Prestasi Sepak Bola Nusaina Fc. U-17 Tulehu Kecamatan Salahutu Kabupaten Maluku Tengah Open
This research departs from the idea that an organization, even a football club, which is managed with good coaching management, certainly produces outstanding soccer players or athletes. This study aims to describe the management of Nusain…
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Applying SEM, EPMA and EBSD Analytic Techniques on Solder Joint for Microelectronic Package Development Open
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Analisis Penataan Sel Untuk Layanan Sistem WCDMA Di Area Jalan Tengah I Kerobokan Open
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 Prot…
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High-Security Multi-Level Joint Encryption Scheme Based on SCMA Chaotic Codebook and OCDM Subcarrier Disturbance Open
Sparse code multiplexing access (SCMA) is a new code-domain non-orthogonal technique in the fifth generation mobile communication (5G), which can improve the quality of single-user link by orthogonal chirp-chirp division multiplexing (OCDM…
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Developing Resilient and Expandable Adaptive Capacity Arbitration Algorithms for Future WCDMA (UMTS) Wireless Systems Open
The objective of this research paper is to tackle the emerging challenges associated with resource management in future WCDMA (UMTS) wireless systems by presenting resilient and expandable adaptive capacity arbitration algorithms. The esca…
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Effects of Non-Ideal Pre-Distorter High Power Amplifiers in WCDMA Using Multi-User Detectors Open
Wide band code division multiple access (WCDMA) signals, transmitted by the base station high power amplifiers (HPAs), show high peak to average power ratios (PAPR), which results in nonlinear distortions. In this paper, using computer sim…
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Lowest PAPR Selection Technique from SLM and PTS with One IFFT Block in Wireless MC-CDMA Communication Systems Open
MC-CDMA is the most promising technique for high bit rate and capacity transmission in wireless communication.One of the challenging issues of MC-CDMA system is the very high PAPR due to the large number of sub-carriers which reduces the s…
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Analysis of QOS Delivered to Users of WCDMA Band in Different Locations: Case Study of University of Ilorin, Nigeria Open
Since 2001, which marked the advent of modern telephony in Nigeria, there is a significant increase in the capacity of the Mobile Network Operators (MNOs). Total connected active lines were quite over a hundred million according to the rep…
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Prova de localização como um mecanismo de segurança para redes veiculares Open
O desenvolvimento de redes veiculares possibilita o surgimento de sistemas inteligentes de transporte que podem aumentar a segurança nas vias, aperfeiçoar o controle de tráfego e fornecer entretenimento aos passageiros. O avanço e padroniz…
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STUDY OF CELLULAR NETWORK ARCHITECTURE IN UKRAINE AND OPPORTUNITIES OF TRANSITION TO LTE Open
In this work, the main architectural concepts to cellular networks were analyzed, in particular, different cellular transmission networks, their architecture and technical characteristics were considered. The comparative analysis of the LT…
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Collaborative RFID reader using code divisional multiple access (CDMA) and methods for same Open
The present disclosure provides collaborative radiofrequency identification (RFID) readers that employ code division multiple access (CDMA) encoding to simultaneously broadcast to and read responses from tags in an overlapping reading zone…
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On the linearization of broadband power line communications using band-pass digital predistortion models Open
Contribució al IEEE Standards submission. TC-4_WG - Radio Frequency Power Line Interference Working Group. PAR number: P1560