A Multiband (WWAN/Bluetooth/WiMAX) Square Monopole Antenna with Simple Structure for Wireless Communication System Applications And Optimization by using Artificial Intelligence

Malik, Varun; Sharma, Taruna; Sharma, Manish

doi:10.1109/confluence47617.2020.9058135

Cited by 4 publications

(5 citation statements)

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“…The other important cost is the range, which is estimated depending on the area to be covered by the organization. Conversely, the overhead could be restricted or kept proportionate because WiMAX uses bandwidth in the range of 1.28 MHz, 2.56 MHz, 5 MHz, 10 MHz, and 20 MHz for data transmission [159,160]. This implies that a lower data transmission rate is used for a territory having fewer customers, which increases the coverage area.…”

Section: Fsoc For Wimaxmentioning

confidence: 99%

“…This implies that a lower data transmission rate is used for a territory having fewer customers, which increases the coverage area. System span also has a direct impact on operating costs, meaning that costs can increase as the system evolves and vice versa [160]. However, this is because the organization will employ more people and set up a larger space for base station activity than for other areas.…”

Section: Fsoc For Wimaxmentioning

confidence: 99%

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A Review–Unguided Optical Communications: Developments, Technology Evolution, and Challenges

et al. 2023

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This review paper discusses the complete evolution of free-space optical (FSO) communication, also known as unguided optical communication (UOC) technologies, all the way back to ancient man’s fire to today’s machine-learning-supported UOC systems. The principles, significance, and developments that have happened over the past several decades, as well as installation methodologies, technological limitations, and today’s challenges of UOCs are presented. All the subsets of UOC: FSO communication, underwater optical wireless communication (UOWC), and visible light communication (VLC), with their technology/system developments, potential applications, and limitations are reviewed. The state-of-the-art developments/achievements in (i) FSO channel effects and their mitigation techniques; (ii) radio-over-FSO techniques; (iii) wavelength division multiplexing and sub-carrier multiplexing techniques; (iv) FSO for worldwide interoperability for microwave access applications; (v) space optical satellite communication (SOSC); (vi) UWOC; (vii) photoacoustic communication (PAC); (viii) light-fidelity; (ix) VLC; (x) vehicular VLC (V2LC); and (xi) optical camera communication are reviewed. In addition, the current developments on emerging technologies such as artificial intelligence (to improve the performance of UOC systems), energy harvesting (for the effective utilization of UOC channels), and near-future communication network scenarios (mandatory for secured broadband digital links) are covered. Finally, in brief, to achieve the full potential of UOC systems, challenges that require immediate research attention are summarized.

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Section: Fsoc For Wimaxmentioning

confidence: 99%

Section: Fsoc For Wimaxmentioning

confidence: 99%

A Review–Unguided Optical Communications: Developments, Technology Evolution, and Challenges

et al. 2023

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“…It should be noted that if the ith lowpass prototype has transmission zero at −∞/+ ∞, according to (1)…”

Section: Combining All the Tz′ Imentioning

confidence: 99%

“…The segment boundaries finally used are Z 12 = −0.6500, Z 23 = 0.2400, Z 34 = 0.8400. Table 2 lists the passbands in the Ω′ domain and unknown variables in Equation (1). Tables 3 and 4 list the transmission and reflection zeros obtained in the synthesis, respectively.…”

Section: Quad-band Filter Synthesis Examplementioning

confidence: 99%

“…Wireless communication has various applications, such as global positioning systems, bluetooth, wireless local‐area networks and so on. In recent decades, there is a trend to integrate these applications into a single system [1], called the multi‐band communication system. This system needs multi‐band filters to incorporate the multiple passbands within a single filter structure.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of multi‐band filters based on multi‐prototype transformation

Chen

2020

IET Microwaves Antenna & Prop

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In this article, a new synthesis method for generalized multi-band filters has been proposed. Different from the traditional frequency transformation method, which transforms a low-pass prototype into a multi-band filter, multiple low-pass prototypes have been transformed into a multi-band filter. This study introduces the idea of transforming more than two lowpass prototypes into a filter, called multi-prototype transformation. It divides the multi-band filter to be synthesized into different segments each of which corresponds to a low-pass prototype. After frequency transformation, these segments are combined together to get the final transfer function. The multi-band filter synthesized by this method can have different orders, bandwidths or return losses in different passbands. Prescribed transmission zeros can also be realized. The return loss adjustment, segment boundary estimation and equal-ripple realization of this method are further explained in theory. To verify this method, an asymmetric quad-band filter is synthesized as an example and a symmetric triple-band filter is synthesized, designed, fabricated and measured. The obtained results show good agreement with the simulation. 1 | INTRODUCTION Wireless communication has various applications, such as global positioning systems, bluetooth, wireless local-area networks and so on. In recent decades, there is a trend to integrate these applications into a single system [1], called the multi-band communication system. This system needs multiband filters to incorporate the multiple passbands within a single filter structure. The main advantages of using multiband filters are saving mass and volume and simplifying the circuit. To design multi-band filters, two methods are usually used: (1) using multi-mode resonators [2] and (2) filter synthesis method [3]. Many multi-mode resonators have been used to design multi-band filters. Pal et al. [4] made a review of different types of multi-mode resonators, including stepped-impedance resonators [5], stub-loaded resonators [6], ring-loaded resonators [7] and fractal-shape resonators [8], for the design of multiband filters. In Ref. [9], a novel multi-mode square ring loaded resonator is proposed to design a tri-band balanced bandpass filter. Multi-band filters realized by multi-mode resonators can have a compact size, according to Ref. [10,11]. However, their design process is not general. Different multi-mode resonators have different design processes and a multi-mode resonator is not applicable for all filters. The filter synthesis method has an important role in multi-band filter design [12]. It is more flexible and simple since it can be realized through the topologies and technologies commonly used in single-band filter design. Many research studies have been done on the synthesis of multiband filters. The frequency transformation method has wide applications. In Ref. [13-15], a dual-band filter was realized by a quadratic transformation equation. An asymmetrical dual-band bandpass filter was synthesized by mod...

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An AI Based Approach for Classification and Performance Evaluation of Teaching Assistant

Malik

Mittal

Singh

et al. 2022

2022 5th International Conference on Contemporary Computing and Informatics (IC3I)

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A Multiband (WWAN/Bluetooth/WiMAX) Square Monopole Antenna with Simple Structure for Wireless Communication System Applications And Optimization by using Artificial Intelligence

Cited by 4 publications

References 11 publications

A Review–Unguided Optical Communications: Developments, Technology Evolution, and Challenges

A Review–Unguided Optical Communications: Developments, Technology Evolution, and Challenges

Synthesis of multi‐band filters based on multi‐prototype transformation

An AI Based Approach for Classification and Performance Evaluation of Teaching Assistant

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