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Journal articles on the topic 'C-Band satellite'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Susilo, Remon Pardomuan, and Bambang Widodo. "Ship Communication System Planning Analysis Using Very Small Aperture Terminal (VSAT) Single Channel Per Carrier (SCPC) With KU-Band Frequency." Lektrokom : Jurnal Ilmiah Teknik Elektro 4, no. 1 (2021): 4. http://dx.doi.org/10.33541/lektrokom.v4i1.4158.

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For commercial frequency telecommunication purposes commonly used are C, Ku, Ka-band. C-band is the most popular frequency used in Indonesia, its low frequency is relatively more resistant to rain interference. However, the use of C-band frequency is no longer sufficient for future communication needs. Alternative solution with higher frequency usage than C-band, Ku-band. The advantage of Ku-Band frequency is that with smaller antennas can produce large bandwidth (broadband), the use of Ku-band frequency also avoids interference because it is relatively not used in terrestrial systems. Determi

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2

Elyouncha, Anis, and Xavier Neyt. "C-Band Satellite Scatterometer Intercalibration." IEEE Transactions on Geoscience and Remote Sensing 51, no. 3 (2013): 1478–91. http://dx.doi.org/10.1109/tgrs.2012.2217381.

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Mozgovoy, Dmytro. "Satellite monitoring of flods by C-band radar data." Ukrainian journal of remote sensing, no. 16 (April 10, 2018): 4–12. http://dx.doi.org/10.36023/ujrs.2018.16.117.

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Automated image processing methodology is proposed for all-weather satellite monitoring of floods based on C-band radar data, which allows to determine the boundaries and areas of flooded areas when assessing the magnitude, dynamics and consequences of floods. Processing results comparison of medium spatial resolution scanner and radar images from Sentinel-1 and Sentinel-2 satellites is made. The advantages of a radar survey with cloudiness in the monitoring area are shown.

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Noraini, Alifah, and I. Nyoman Sudiasa. "Land Surface Temperature Estimation Using Landsat 9 Satellite Imagery in Lamongan Regency, Indonesia." Buletin Poltanesa 25, no. 2 (2024): 263–68. https://doi.org/10.51967/tanesa.v25i2.2228.

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Gerbangkertasusila area (Gresik, Bangkalan, Mojokerto, Surabaya, Sidoarjo, and Lamongan) is a target area for accelerating economic development. Land use change are one of the phenomena that often occur in districts that have the potential for developing the area, one of the areas that has the potential to become a Creative Economy Zone is Lamongan Regency. This study aims to estimate changes in Land Surface Temperature (LST) in Lamongan Regency by utilizing Landsat 9 satellite imagery. Landsat 9 satellite imagery is processed based on a temperature algorithm for estimating temperature calcula

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Triharjanto, Robertus Heru, Luqman Faturrohim, Ridanto Eko Poetro, and Hari Muhammad. "DESAIN AWAL SISTEM SATELIT TELEKOMUNIKASI PERTAHANAN INDONESIA (PRELIMINARY DESIGN OF INDONESIAN MILITARY TELECOMUNICATION SATELLITE)." Jurnal Teknologi Dirgantara 14, no. 2 (2017): 113. http://dx.doi.org/10.30536/j.jtd.2016.v14.a2519.

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As the biggest archipelago in the world, Indonesia really needs satellite system to support its defense and security. Based on that, this research aims to produce the preliminary design of telecommunication satellite system needed for defense and security campaign in Indonesia. Per best practice in aerospace engineering, the satellite preliminary design is preceded by a satellite concept design. In the concept design process, the users’ requirements, in this case, the Indonesian military, are studied, and comparative study is done for military telecommunication satellite solution that other co

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Saravanakumar V., Kavitha M. Saravanan, Balaram V. V. S. S. S., and Anantha Sivaprakasam S. "Fuzzy C-Means Technique for Band Reduction and Segmentation of Hyperspectral Satellite Image." International Journal of Fuzzy System Applications 10, no. 4 (2021): 79–100. http://dx.doi.org/10.4018/ijfsa.2021100105.

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This paper put forward for the segmentation process on the hyperspectral remote sensing satellite scene. The prevailing algorithm, fuzzy c-means, is performed on this scene. Moreover, this algorithm is performed in both inter band as well as intra band clustering (i.e., band reduction and segmentation are performed by this algorithm). Furthermore, a band that has topmost variance is selected from every cluster. This structure diminishes these bands into three bands. This reduced band is de-correlated, and subsequently segmentation is carried out using this fuzzy algorithm.

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Fen, Cao, Yang XuHai, Su MuDan, et al. "Evaluation of C-Band Precise Orbit Determination of Geostationary Earth Orbit Satellites based on the Chinese Area Positioning System." Journal of Navigation 67, no. 2 (2013): 343–51. http://dx.doi.org/10.1017/s0373463313000787.

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Geostationary Earth Orbit (GEO) satellites play a significant role in the space segment of the Chinese Area Navigation System. The C-Band transfer ranging method developed by the National Time Service Center (NTSC) has been widely used in the Chinese Area Positioning System (CAPS), with its advantages of separating satellite ranging from time synchronization and being unaffected by weather. The explicit ranging correction models for the C-Band transfer ranging method are introduced in detail in this article for the first time. Precise Orbit Determination (POD) using C-Band pseudo-range observa

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Kumar, Ravi, and Ritika Ghai. "SAT-COMM – Fade Inteferance and Band Mitigation Analysis." Journal of Advance Research in Electrical & Electronics Engineering (ISSN: 2208-2395) 1, no. 3 (2014): 14–21. http://dx.doi.org/10.53555/nneee.v1i3.253.

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When it comes to address the capacity issue in satellite communication, the first technique to consider is the multi-beam coverage, with a high number of beams that allow a high degree of frequency reuse. In order to increase even more that capacity, the second step is to utilize higher frequency bands such as Ka (20-30 GHz), Q/V (40-50 GHz) or EHF (20-45 GHz) bands, where respectively, 1 GHz, 3 GHz and 2 GHz are allocated to the Fixed Satellite Service (FSS). The first c ommercial satellites with Ka-band transponders are today in operation, and it is expected that the congestion in lower fre

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Yadav, Viplav, Sandeep, and Sanjay Sharma. "Antennas for Satellite Communication." Journal of Advance Research in Electrical & Electronics Engineering (ISSN: 2208-2395) 1, no. 1 (2014): 20–23. http://dx.doi.org/10.53555/nneee.v1i1.269.

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Satellite communication antenna in unvield .It also comprises of transmitting/ receiving signal section and transmission of signal to satellite . it consist of various types of antennas used in satellite communication such as UHF, L/s band ,c-band, ku-band , k-band antennas. Multibeam broadband antenna and antennas for geostationary for satellite communication is also explained in this paper . This paper mainly describes the the signal transmitting/receiving antennas for satellite communication .

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10

FISCHER, Bernhard E., Kathy B. THOMAS, Uwe SCHLOKAT, and Friedrich DORNER. "Triplet structure of human von Willebrand factor." Biochemical Journal 331, no. 2 (1998): 483–88. http://dx.doi.org/10.1042/bj3310483.

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Human von Willebrand factor (hp-vWF) is a high-molecular- mass protein found in plasma as a series of multimers. It consists of subunits comprising 2050 amino acids linked by disulphide bonds into multimers of various size ranging in molecular mass up to greater than 10000 kDa. Partial proteolysis at position Tyr842–Mer843 of the subunit [Dent et al. (1990) Proc. Natl. Acad. Sci. U.S.A. 87, 6306–6310] by a vWF-specific protease [Furlan et al. (1993) Proc. Natl. Acad. Sci. U.S.A. 90, 7503–7507] results in the generation of an N-terminal and a C-terminal fragment and the appearance of hp-vWF tri

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Gabriel’yan, D. D., V. I. Demchenko, A. E. Korovkin, S. I. Boychuk, and Yu I. Poltavets. "Transceiving Feed of Reflector Antennas for Satellite Communication Systems." Rocket-space device engineering and information systems 9, no. 1 (2022): 73–78. http://dx.doi.org/10.30894/issn2409-0239.2022.9.1.73.78.

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The paper presents an approach to the synthesis of a transceiving feed for axisymmetric double reflector antennas based on the aperture separation of C- and Ka-band signals of coaxial and circular waveguides with a maximum separation of the extreme bands of 10 : 1. The development and selection of a coaxial feed design for constructing a feed system of the transceiving reflector antenna was carried out. Optimal parameters of the coaxial feed were determined and experimentally proved to provide a feed angle level of the subreflector of 30◦ and a VSWR of 1.25 for the C- and Ka-band outputs in th

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Prasad, Pratyancha, and Akhilesh Kumar. "A miniaturized quintuple-band frequency selective surface based on enclosed cross slots." Journal of Electrical Engineering 74, no. 4 (2023): 293–301. http://dx.doi.org/10.2478/jee-2023-0036.

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Abstract This article presents a low-profile quintuple-band frequency selective surface (FSS) that is designed as a sub-reflector for applications including satellite systems (C band), EPR (electron paramagnetic resonance) spectrometers, motion and traffic light crossing detectors (X band), Direct Broadcast Satellite and broadcasting satellite service (Ku band), and shortrange applications (K band). The dimensions of the miniaturized unit cell 0.08λ0×0.08λ0×0.012λ0, where, λ0 is the free-space wavelength corresponding to the lower cut-off frequency. There are five stop bands, and frequencies a

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Liu, Jitong. "Overview of Low Earth Orbit Satellite Communication Systems." Applied and Computational Engineering 145, no. 1 (2025): 1–6. https://doi.org/10.54254/2755-2721/2025.21920.

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Low Earth Orbit (LEO) satellite communication systems have emerged as a critical solution to address the growing demand for global, seamless, and low-latency connectivity. Compared with Geosynchronous Earth Orbit (GEO) satellites, LEO satellites enable reduced signal delays and broad coverage. Therefore, they are particularly suitable for remote and underserved regions. This paper provides a comprehensive review of LEO satellite communication systems, focusing on three major aspects: frequency band division, system architecture, and case analysis. The study explores the utilization of various

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Hoi, Tran Van, Ngo Thi Lanh, Nguyen Xuan Truong, Nguyen Huu Duc, and Bach Gia Duong. "Design of a Front-End for Satellite Receiver." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 5 (2016): 2282. http://dx.doi.org/10.11591/ijece.v6i5.10480.

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<p>This paper focuses on the design and implementation of a front-end for a Vinasat satellite receiver with auto-searching mechanism and auto-tracking satellite. The front-end consists of a C-band low-noise block down-converter and a L-band receiver. The receiver is designed to meet the requirements about wide-band, high sensitivity, large dynamic range, low noise figure. To reduce noise figure and increase bandwidth, the C-band low-noise amplifier is designed using T-type of matching network with negative feedback and the L-band LNA is designed using cascoded techniques. The local oscil

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Hoi, Tran Van, Ngo Thi Lanh, Nguyen Xuan Truong, Nguyen Huu Duc, and Bach Gia Duong. "Design of a Front-End for Satellite Receiver." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 5 (2016): 2282. http://dx.doi.org/10.11591/ijece.v6i5.pp2282-2290.

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<p>This paper focuses on the design and implementation of a front-end for a Vinasat satellite receiver with auto-searching mechanism and auto-tracking satellite. The front-end consists of a C-band low-noise block down-converter and a L-band receiver. The receiver is designed to meet the requirements about wide-band, high sensitivity, large dynamic range, low noise figure. To reduce noise figure and increase bandwidth, the C-band low-noise amplifier is designed using T-type of matching network with negative feedback and the L-band LNA is designed using cascoded techniques. The local oscil

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PROF., MRS. R. P. LABADE. "OVERVIEW OF BAND NOTCHING METHODS USED IN UWB ANTENNA." IJIERT - International Journal of Innovations in Engineering Research and Technology ICITER- 16 PUNE (June 20, 2016): 210–13. https://doi.org/10.5281/zenodo.1463627.

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<strong>The Federal communication commission (FCC) allocates the 3.1 - 10.6 GHz band the ultra - wideband (UWB) applications. But due to some already existing systems such as WiMAX (IEEE802.16:3.3 - 3.7GHz),C - band satellite communication (3.7 - 4.2GHz),WLAN (IEEE802.11a:5.15 - 5.825GHz),X - band satellite communication (7.25 - 7.75GHz),ITU (International Telecommunication Union:8.025 - 8.4 GHz) band causes electromagnetic interference with UWB. So to remove such a interf erence between UWB and other narrow bands different notching techniques used such as tuning stub,shaped slot,parasitic ele

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Menninger, W. L., R. T. Benton, M. S. Choi, et al. "70% Efficient Ku-Band and C-Band TWTs for Satellite Downlinks." IEEE Transactions on Electron Devices 52, no. 5 (2005): 673–78. http://dx.doi.org/10.1109/ted.2005.845840.

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18

Xiao, Yuanming, Lianxing He, and Xiaoli Wei. "Dual-Band Dual-Circularly Polarized Shared-Aperture Phased Array for S-/C-Band Satellite Communications." Electronics 14, no. 2 (2025): 387. https://doi.org/10.3390/electronics14020387.

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In this article, a novel method of achieving a single-layer, dual-band, dual-circularly polarized (CP) shared-aperture phased array antenna with wide beam scanning coverage is presented. The space antenna was designed to provide direct-to-cellular communications services at S-/C-bands with a frequency ratio of 1:1.8. Using novel ceramic substrates with high dielectric constants for antenna miniaturization, the optimum interelement spacing can be ensured in one single layer to meet the large-angle scanning demand. The CP characteristic of the phased array is improved by the sequential rotation

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Fen, Cao, Yang Xuhai, Li Zhigang, Chen Liang, and Feng Chugang. "Signal Biases Calibration for Precise Orbit Determination of the Chinese Area Positioning System using SLR and C-Band Transfer Ranging Observations." Journal of Navigation 69, no. 6 (2016): 1234–46. http://dx.doi.org/10.1017/s0373463316000205.

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In C-Band transfer measuring systems, the Precise Orbit Determination (POD) precision of Geostationary Earth Orbit (GEO) satellites is limited by signal biases such as the station delay biases, transponder delay biases, the ionospheric delay model bias, etc. In order to improve the POD precision, the signal biases of the Chinese Area Positioning System (CAPS) are calibrated using Satellite Laser Ranging (SLR) and C-Band Transfer Ranging (CBTR) observations. Since the Changchun SLR site and C-Band station are close to each other, the signal biases of the Changchun C-Band station are calibrated

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Babu, P. Raveendra, and Rama Krishna Dasari. "Electromagnetic Band Gap based compact UWB Antenna with Dual Band Notch Response." International Journal of Electrical and Electronics Research 10, no. 4 (2022): 1294–98. http://dx.doi.org/10.37391/ijeer.100483.

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In Antenna Technology, Electromagnetic Band Gap (EBG) structures are one of the mostly used structures to improve gain of antenna, suppress surface waves and band notching. In UWB frequency spectrum more number of small frequency bands are exists and these bands cause electromagnetic interference, to reject such bands more number of EBG structures are required. Due to limited monopole antenna's ground plane, it is required to have EBG with small in size and single EBG to reject two or more bands. The simulated results of proposed new C-shaped EBG by placing near the feedline of fork-shape Ultr

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Kumar, A., and A. P. S. Pharwaha. "Triple Band Fractal Antenna for Radio Navigation and Fixed Satellite Services using Dragonfly Optimization." Advanced Electromagnetics 8, no. 3 (2019): 43–49. http://dx.doi.org/10.7716/aem.v8i3.1083.

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This study reports the design of a coplanar waveguide (CPW)-fed triple band fractal antenna for radio navigation and fixed satellite services. Reported antenna has low profile, multiband and wideband performance which make it suitable for the radio navigation and fixed satellite services in S band, C bandand X band. Proposed antenna resonates at 2.6GHz, 4.4GHz, and 8.7 GHz having bandwidth of 0.2457GHz, 0.700GHz, and 4.1980 GHz respectively. Maximumgain for the resonating bands is 3.6 dB, 5.5 dB, and 7.3 dB respectively. Simulated performance parameter of proposed antenna is verified experimen

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Rohilla, Hiteshwer, Monish Batra, and Krishan Kumar. "Study of Antennas in C Band for Satellite Communication." Journal of Advance Research in Electrical & Electronics Engineering (ISSN: 2208-2395) 1, no. 3 (2014): 10–13. http://dx.doi.org/10.53555/nneee.v1i3.252.

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The main focus of this paper on the various types of antenna used in C band for satellite communication. This paper gives information to reader about the antennas used for C band. It gives overview about the patch antenna and dish antenna and their individual losses and performance. In the end of paper we discuss some of antennas that can be used for future aspects in satellite communication.

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Jiao, Yanan, Fengli Zhang, Xiaochen Liu, Zhiwei Huang, and Jingwen Yuan. "C-SAR/02 Satellite Polarimetric Calibration and Validation Based on Active Radar Calibrators." Remote Sensing 17, no. 2 (2025): 282. https://doi.org/10.3390/rs17020282.

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Quad-polarization synthetic aperture radar (SAR) satellites are important detection tools in Earth observation and remote sensing; in particular, they are of great significance for accurately interpreting radar data and inverting geophysical parameters. Polarimetric calibration is particularly critical to eliminate the effects of distortion in polarized SAR data. The C-SAR/02 satellite launched by China is an important part of the C-band synthetic aperture radar (SAR) constellation, and the quad-polarization strip I (QPSI) is an important imaging mode for its sea–land observation. The relevant

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Zanin, Kirill A., and Nikolay N. Klimenko. "NEW APPROACH TO DETECTION C-BAND GROUND AND NAVAL RADARS." AEROSPACE SPHERE JOURNAL, no. 1 (April 1, 2021): 68–79. http://dx.doi.org/10.30981/2587-7992-2020-106-1-68-79.

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C-band military radars cause interferences to Sentinel-1 SAR satellite when it passes over their application area. Their interfering signals produce visible X marks in SAR satellite imagery. The article deals with new signal processing technique, first introduced by Israeli researcher, based on using these marks to detect and geolocate corresponding radars.

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Li, Xiaoyin, Lianshan Yan, Wei Pan, and Bin Luo. "A Compact Printed Quadruple Band-Notched UWB Antenna." International Journal of Antennas and Propagation 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/956898.

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A novel compact coplanar waveguide- (CPW-) fed ultrawideband (UWB) printed planar volcano-smoke antenna (PVSA) with four band-notches for various wireless applications is proposed and demonstrated. The low-profile antenna consists of a C-shaped parasitic strip to generate a notched band at 8.01~8.55 GHz for the ITU band, two C-shaped slots, and an inverted U-shaped slot etched in the radiator patch to create three notched bands at 5.15~5.35 GHz, 5.75~5.85 GHz, and 7.25~7.75 GHz for filtering the WLAN and X-band satellite signals. Simulated and measured results both confirm that the proposed an

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S, Jayasri, and Daniel A. "ANALYSIS OF STACKED ANTENNA IN SATELLITE APPLICATION." ICTACT Journal on Microelectronics 6, no. 1 (2020): 881–85. https://doi.org/10.21917/ijme.2020.0152.

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We propose in this paper a Broadband Stacked Microstrip Patch Antenna structure with a microstrip feeding technique to achieve wide bandwidth and high gain. The proposed stacked antenna executes the frequency range from 4GHz to 10GHz in C band. A parametric analysis is performed to study the inter-element distance effect on antenna performance (directivity, input impedance and radiation efficiency). The results obtained show that in the case of the fully driven element high directivities can be achieved for small distances. The proposed antenna is used for a wide range of applications, such as

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Markey, B. J., D. K. Paul, R. Razdan, B. A. Pontano, and N. K. Dutta. "Impedance-matched optical link for C-band satellite applications." IEEE Transactions on Antennas and Propagation 43, no. 9 (1995): 960–65. http://dx.doi.org/10.1109/8.410213.

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Sion, E., and U. Mathur. "Optimum Satellite Home Receiving Antenna Size at C Band." IEEE Transactions on Broadcasting BC-33, no. 1 (1987): 23–26. http://dx.doi.org/10.1109/tbc.1987.266617.

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Yang, Fan, Xuefen Zhu, Xiyuan Chen, and Mengying Lin. "Intense L-Band Solar Radio Bursts Detection Based on GNSS Carrier-To-Noise Ratio Decrease over Multi-Satellite and Multi-Station." Sensors 21, no. 4 (2021): 1405. http://dx.doi.org/10.3390/s21041405.

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Intense solar radio bursts (SRBs) can increase the energy noise and positioning error of the bandwidth of global navigation satellite system (GNSS). The study of the interference from intense L-band SRBs is of great importance to the steady operation of GNSS receivers. Based on the fact that intense L-band SRBs lead to a decrease in the carrier-to-noise ratio (C/N0) of multiple GNSS satellites over a large area of the sunlit hemisphere, an intense L-band SRB detection method without the aid of a radio telescope is proposed. Firstly, the valley period of a single satellite at a single monitorin

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Chandel, Richa, Shalu Kaundal, Abhay Singh, Abhishek Kumar, and Saurab Kumar. "Compact Triple-Band Orthogonal MIMO Antenna." Journal of Ubiquitous Computing and Communication Technologies 6, no. 3 (2024): 256–70. http://dx.doi.org/10.36548/jucct.2024.3.004.

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The study proposes a compact triple-band orthogonal multiple-input multiple-output (MIMO) antenna design intended for operation in three distinct frequency bands: C band downlink (3.7-4.6 GHz), Wi-Fi 6E (6.1-7.2 GHz), and X band (8.4-10.1 GHz). The proposed antenna configuration incorporates four radiating elements with partially ground planes strategically arranged to achieve isolation between the bands and maintain desirable radiation characteristics across all three bands. The antenna is designed on a flame-retardant FR-4 substrate with a compact size of 30 mm x 30 mm, making it suitable fo

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Stojce Ilcev, Dimov. "Network architecture of internet backhaul by DVB-RCS standards for shipborne and other mobile applications." International Journal of Engineering & Technology 9, no. 3 (2020): 830. http://dx.doi.org/10.14419/ijet.v9i3.31087.

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In this paper is introduced a new Digital Video Broadcasting-Return Channel via Satellite (DVB-RCS) for the implementation of modern satellite Internet for shipborne, Vehicleborne and airborne mobile applications via Geostationary Erath Orbit (GEO) satellites. Mobile Satellite Internet aims at providing the next generation satellite broadcasting service through C, Ku and Ka-band DVB-S2 standard for Mobile Earth Stations (MES) via GEO satellite and Land Earth Stations (LES) to the ground or other mobile subscribers. It is de facto a mobile interactive broadcast satellite access system, which pr

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Shangguan, Yong, Hua Zhang, Yong Yu, et al. "Unidirectional Orbit Determination for Extended Users Based on Navigation Ka-Band Inter-Satellite Links." Sensors 25, no. 8 (2025): 2566. https://doi.org/10.3390/s25082566.

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Traditional spacecraft orbit determination primarily employs two methodologies: ground station/survey ship-based orbit determination and global navigation satellite system (GNSS)-based orbit determination. The ground tracking measurement system, reliant on multiple tracking stations or ships, presents a less favorable efficiency-to-cost ratio. For high-orbit satellites, GNSS orbit determination is hindered by a limited number of receivable satellites, weak signal strength and suboptimal geometric configurations, thereby failing to meet the demands for the continuous, high-precision orbit measu

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Mao, Chun-Xu, Steven Gao, Yi Wang, Qing-Xin Chu, and Xue-Xia Yang. "Dual-Band Circularly Polarized Shared-Aperture Array for $C$ -/ $X$ -Band Satellite Communications." IEEE Transactions on Antennas and Propagation 65, no. 10 (2017): 5171–78. http://dx.doi.org/10.1109/tap.2017.2740981.

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Prashanth, Kolluri, Chintagumpula Jayakrishna Sai, B. L. Srihari, and Kumari Manisha. "Design of micro-strip patch antenna for C – band applications." E3S Web of Conferences 391 (2023): 01066. http://dx.doi.org/10.1051/e3sconf/202339101066.

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This paper presents the design of a horizontal slot micro-strip Patch antenna with a dual slot inset feed mechanism. The antenna is resonating at 4.28 GHz, with reflection coefficient of -16.32 dB, and a Bandwidth of 1 GHz. Rogers RT580 dielectric is used as substrate having relative permittivity of 2.2 and tan δ value of 0.0009. The gain of the antenna is 6.46 dBi and the cross-polarization levels are reduced to -16.4 dB. The micro-strip antenna can be used for C Band applications such as satellite communication between ground station and satellite.

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V.Prashanth, K., Bonthu Umamaheswari, G. Akhil, G. Vamsi krishna, and M. Venkata Sai chandu. "A Compact Antenna with WiMAX and WLAN bands notched for UWB applications." International Journal of Engineering & Technology 7, no. 2.7 (2018): 489. http://dx.doi.org/10.14419/ijet.v7i2.7.10869.

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A Compact antenna with WiMAX and WLAN bands notched for ultra wide band (UWB) applications is proposed. The proposed antenna is designed for the planar ultra wide band (UWB) antenna and ultra wide band (UWB) antenna having two band rejections. The proposed antenna overall size is 30mm x 40mm x 1.6mm. The antenna consists of a rectangular patch on the top of FR4 substrate with 50ohm feed with defected ground structure. This patch consists of one round cut at each corner having radius 1.575mm. The simulated band width with return loss (RL) >=10db is 3.1 to 11.2 GHz with VSWR<2. It works fo

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Velaga, Sravya, Jagadeesh Korrapati, Chaithanya Krishna B, Vandana Matti, K. Ch. Sri Kavya, and Sarat K. Kotamraju. "Spectral characteristics of satellite links at ka band in the southern tropical region of India." International Journal of Engineering & Technology 7, no. 1.1 (2017): 631. http://dx.doi.org/10.14419/ijet.v7i1.1.10792.

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The objective of this study was to perform a spectral analysis of the Ka band propagation channel. Now a day, because of the expanding interest of the end users for multimedia services which require vast bandwidth, and because of the immersion of low frequency bands, for example, L, S, C bands, and Ku band in close future, satellite media transmission systems are moving to higher frequency bands. In such high frequency bands, the presence of the atmosphere strongly affects radiowave propagation and attenuation effects become so severe that system availability would not be sufficient if systems

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van Zadelhoff, G. J., A. Stoffelen, P. W. Vachon, J. Wolfe, J. Horstmann, and M. Belmonte Rivas. "Retrieving hurricane wind speeds using cross-polarization C-band measurements." Atmospheric Measurement Techniques 7, no. 2 (2014): 437–49. http://dx.doi.org/10.5194/amt-7-437-2014.

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Abstract. Hurricane-force wind speeds can have a large societal impact and in this paper microwave C-band cross-polarized (VH) signals are investigated to assess if they can be used to derive extreme wind-speed conditions. European satellite scatterometers have excellent hurricane penetration capability at C-band, but the vertically (VV) polarized signals become insensitive above 25 m s−1. VV and VH polarized backscatter signals from RADARSAT-2 SAR imagery acquired during severe hurricane events were compared to collocated SFMR wind measurements acquired by NOAA's hurricane-hunter aircraft. Fr

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Karaki, Ali, Hiba Abdalla, Mohammed Al-Husseini, and Hamza Issa. "A Quantitative Study on Multipoint Video Distribution Systems MVDS Interference to GEO Satellites in Lebanon." Telecom 6, no. 2 (2025): 36. https://doi.org/10.3390/telecom6020036.

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This paper investigates the potential for interference from multipoint video distribution systems (MVDS) transmissions, specifically side lobe radiation in Lebanon, to geostationary Earth orbit (GEO) satellites. Through simulation and analysis of antenna radiation patterns, the impact of varying MVDS power levels on the carrier-to-noise ratio (C/N) at the satellite receiver is quantified. The results demonstrate a significant degradation in signal quality, with the C/N dropping to −2.29 dB at an MVDS power of 0 dBW for the current system. To mitigate this interference, a two-step potential str

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Devana, V. N. Koteswara Rao, and Dr A. Maheswara Rao. "A Compact 3.1- 18.8 GHz Triple Band Notched UWB Antenna for mobileUWB Applications." IRO Journal on Sustainable Wireless Systems 2, no. 1 (2020): 1–12. http://dx.doi.org/10.36548/jsws.2020.1.001.

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A compact triple band notched tapered microstrip fed Ultrawideband (UWB) antenna for wireless communication applications in C, X and Ku bands is proposed. The antenna having a compact size of 16×26 mm2, consisting of an elliptical patch and a truncated ground structure to achieve impedance of -10 dB bandwidth of 3.1 GHz to 18.8 GHz. Triple band notched characteristics are obtained from 3.7 GHz to 4.2 GHz for C band, 5.18 GHz to 5.85 GHz for Wireless Local Area Network (WLAN) and 8 GHz to 8.4 GHz for X band applications associated with the satellite communication, fabricating three inverted slo

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Molijn, Ramses, Lorenzo Iannini, Jansle Vieira Rocha, and Ramon Hanssen. "Sugarcane Productivity Mapping through C-Band and L-Band SAR and Optical Satellite Imagery." Remote Sensing 11, no. 9 (2019): 1109. http://dx.doi.org/10.3390/rs11091109.

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Space-based remote sensing imagery can provide a valuable and cost-effective set of observations for mapping crop-productivity differences. The effectiveness of such signals is dependent on several conditions that are related to crop and sensor characteristics. In this paper, we present the dynamic behavior of signals from five Synthetic Aperture Radar (SAR) sensors and optical sensors with growing sugarcane, focusing on saturation effects and the influence of precipitation events. In addition, we analyzed the level of agreement within and between these spaceborne datasets over space and time.

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Leclère, Jérôme, René Landry Jr., and Cyril Botteron. "Comparison of L1 and L5 Bands GNSS Signals Acquisition." Sensors 18, no. 9 (2018): 2779. http://dx.doi.org/10.3390/s18092779.

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Nowadays, civil Global Navigation Satellite System (GNSS) signals are available in both L1 and L5 bands. A receiver does not need to acquire independently the signals in both bands coming from a same satellite, since their carrier Doppler and code delay are closely related. Therefore, the question of which one to acquire first rises naturally. Although the common thought would tell the L1 band signals which are narrowband, an accurate comparison has never been done, and the decision is not as easy as it seems. Indeed, L5 band signals have several advantages such as stronger power, lower carrie

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Idrus, Ismatul Nisak, Mohammad Rashed Iqbal Faruque, Sabirin Abdullah, Mayeen Uddin Khandaker, Nissren Tamam, and Abdelmoneim Sulieman. "An Oval-Square Shaped Split Ring Resonator Based Left-Handed Metamaterial for Satellite Communications and Radar Applications." Micromachines 13, no. 4 (2022): 578. http://dx.doi.org/10.3390/mi13040578.

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Development of satellite and radar applications has been continuously studied to reach the demand in the recent communication technology. In this study, a new oval-square-shaped split-ring resonator with left-handed metamaterial properties was developed for C-band and X-band applications. The proposed metamaterial was fabricated on 9 × 9 × 0.508 mm3 size of Rogers RO4003C substrate. The proposed metamaterial structure was designed and simulated using Computer Simulation Technique (CST) Microwave Studio with the frequency ranging between 0 to 12 GHz. The simulated result of the proposed design

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Saraswat, Ritesh Kumar, and Mithilesh Kumar. "Design and Implementation of a Multiband Metamaterial-Loaded Reconfigurable Antenna for Wireless Applications." International Journal of Antennas and Propagation 2021 (December 13, 2021): 1–21. http://dx.doi.org/10.1155/2021/3888563.

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This article presents a multiband antenna with the implementation of a metamaterial split-ring resonator (SRR), quasicomplementary split-ring resonator (CSRR), and slots to achieve octaband characteristics for wireless standards. Multiband features are accomplished by the implementation of the slot approach within the radiating section part and loading the SRR and CSRR cells. The electrical dimension is 0.256λ × 0.176 λ × 0.0128λ (32 × 22 × 1.6 mm3) of the proposed design, at a lower frequency of 2.4 GHz. The proposed design indicates the frequency-band reconfigurability nature by using the sw

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Lakshmi, S. Navya Vijaya, A. Jhansi Rani, and V. Saritha. "A Compact Penta Band Notched UWB Antenna Using Modified U-Slots and EBG Structures." Journal of Physics: Conference Series 2471, no. 1 (2023): 012001. http://dx.doi.org/10.1088/1742-6596/2471/1/012001.

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Abstract The proposed compact Ultra-Wide Band (UWB) antenna is having the ability to reject five bands operating in UWB and it is having a rectangular monopole antenna. To achieve the required Penta band notch characteristics and the multi operational bands, two square shaped mushroom type EBG’s are placed in the vicinity of the feedline and three modified U-Shaped Slots are etched on the radiating surface. The two-mushroom type EBG’s are responsible for attaining two notch bands at 3.5 GHz (3.38-3.6 GHz, Wi-MAX), 5.0 GHz (4.85-5.18GHz, lower WLAN) and modified U-Shaped slots are responsible f

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Rahmi, K. I. N., N. Febrianti, and I. Prasasti. "Forest and land fire smoke detection using GCOM-C data (case study: Pulang Pisau, Central Kalimantan)." IOP Conference Series: Earth and Environmental Science 893, no. 1 (2021): 012068. http://dx.doi.org/10.1088/1755-1315/893/1/012068.

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Abstract Forest/land fire give bad impact of heavy smoke on peatland area in Indonesia. Forest/land fire smoke need to be identified the distribution periodically. New satellite of GCOM-C has been launched to monitor climate condition and have visible, near infrared and thermal infrared. This study has objective to identify fire smoke from GCOM-C data. GCOM-C data has wavelength range from 0.38 to 12 μm it covers visible, near infrared, short-wave infrared and thermal infrared. It is relatively similar to MODIS or Himawari-8 images which could identify forest/land fire smoke. The methodology i

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Yasir, Muhammad, Ali Raza, Muhammad Adnan, Hina Maryam, Musaddaq Mukhtar, and Maryam Liaqat. "Microstrip patch antenna fabricated and simulated results for S-Band, C-band and X-band antenna for space and communication applications." Brazilian Journal of Development 10, no. 6 (2024): e70809. http://dx.doi.org/10.34117/bjdv10n6-064.

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Different Microstrip patch antennas (MPA) designed and used for different applications from medical to wireless technology to satellite applications. Frequency range of S, C and X band are designed with different substrate of FR4 and polyimide. MPA are easy to fabricate in compact form with 4 to 18 array of antennas. Bow-Tie antenna designed for S-Band and an array of compact X-band antenna is designed and analyzed to achieve fixed satellite service (FSS) as shown in figure with band of 7.89 GHz-10.49GHz with gain up to 35dB. Another design with 6 GHz frequency designed with a plan background

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Lim, Young Hei, Man Seok Uhm, and Jong Heung Park. "The Development of a Ka Band Input Filter Assembly for a Satellite Transponder." Key Engineering Materials 277-279 (January 2005): 789–94. http://dx.doi.org/10.4028/www.scientific.net/kem.277-279.789.

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This paper presents the development of a Ka band Input Filter Assembly(IFA) with very low insertion loss and a high temperature stability suitable for a communication satellite transponder. The IFA consists of a cross directional test coupler to check the input signal level of the transponder and an input filter to pass the uplink band signals. The test results show good agreement with the simulation and compliant to the requirements with the temperature range from –20 °C to 60 °C. This IFA will be used for the communication satellite in Korea.

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Venkatesan, Ramesh Kumar, and Loganathan Muthusamy. "Centre Extended Rectangular Microstrip Patch Antenna for Satellite Applications." Acceleron Aerospace Journal 2, no. 3 (2024): 232–40. http://dx.doi.org/10.61359/11.2106-2415.

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The advancement of wireless communication systems has resulted in the evolution of fifth-generation (5G) communication systems, which utilize mm-wave bands to achieve high data rates. 5G communication systems require antennas with high gain, low profile, lightweight, and very simple structures to ensure reliability, ease of fabrication, low cost, and high efficiency. This paper proposes the design of a single-element rectangular microstrip patch antenna that operates in the C-band at 7.1 GHz and the X-band at 9.2 GHz. The proposed antenna is simulated using Advanced Design System (ADS) softwar

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Mistri, Raj Kumar, Santosh Kumar Mahto, Ajit Kumar Singh, et al. "Quad Element MIMO Antenna for C, X, Ku, and Ka-Band Applications." Sensors 23, no. 20 (2023): 8563. http://dx.doi.org/10.3390/s23208563.

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This article presents a quad-element MIMO antenna designed for multiband operation. The prototype of the design is fabricated and utilizes a vector network analyzer (VNA-AV3672D) to measure the S-parameters. The proposed antenna is capable of operating across three broad frequency bands: 3–15.5 GHz, encompassing the C band (4–8 GHz), X band (8–12.4 GHz), and a significant portion of the Ku band (12.4–15.5 GHz). Additionally, it covers two mm-wave bands, specifically 26.4–34.3 GHz and 36.1–48.9 GHz, which corresponds to 86% of the Ka-band (27–40 GHz). To enhance its performance, the design inco

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Sharma, Purnima, Akshi Kotecha, Rama Choudhary, and Partha Pratim Bhattacharya. "A Novel Pentagonal Shaped Planar Inverted-F Antenna for Defense Applications." Recent Patents on Computer Science 12, no. 2 (2019): 95–100. http://dx.doi.org/10.2174/2213275911666181102151149.

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Background: The Planar Inverted-F Antenna (PIFA) is most widely used for wireless communication applications due to its unique properties as low Specific Absorption Rate, low profile geometry and easy fabrication. In literature a number of multiband PIFA designs are available that support various wireless applications in mobile communication, satellite communication and radio frequency field. Methods: In this paper, a miniature sized planar inverted-F antenna has been proposed for dual-band operation. The antenna consists of an asymmetrical pentagonal shaped patch over an FR4 substrate. The ov

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