Development of mobile broadband interactive satellite access system for Ku/Ka band

Song, Yun-Jeong; Kim, Pansoo; Oh, Deock-Gil; Jeon, Soon‐Ik; Lee, Ho-Jin

doi:10.1002/sat.833

Cited by 5 publications

(3 citation statements)

References 14 publications

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“…Chính vì vậy việc nghiên cứu và chế tạo thiết bị trạm thu tín hiệu vệ tinh trang bị cho tàu biển là cấp thiết hiện nay. Trong khi các trạm thu vệ tinh cố định đã phát triển khá ổn định (chủ yếu chỉ liên quan đến vấn đề thu, phát và xử lý tín hiệu siêu cao tần), việc thu thông tin vệ tinh trên các trạm di động cần giải quyết nhiều vấn đề phức tạp hơn, nhưng cũng đã được áp dụng rất nhiều ở trên thế giới [1][2][3][4][5][6][7].…”

Section: Mở đầU unclassified

Research and Development of Mobile Marine Satellite Antenna System in Vietnam

Tam¹,

Giang²

2019

NST

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A second version of the mobile marine satellite communication signal receiver station has been designed, manufactured, assembled and tested using domestically engineered mechanical modules, commercial and low-cost integrated sensors, motors and drivers. The operating mechanical components have been developed in the form of independently operating modules with handling ease and high sensitivity at a “clearance” in the order of 10µm. The sensors are of high and firm integration and good noise compensation facilities. The appropriately developed automatic control algorithms and software allow efficient and safe searching and following the broadcasting satellite of the antenna device installed on a marine transport boat. Compared to the previous version, this new development has more optimal dimensions, is easier and more flexible to start up and operate with operating parameters of pitch: 15-80° (±0.5°), yaw: of 0-360° (±0.25°), and polarization angle of 0-360° (±0.5°). The antenna turn rates are of ~12°/s and 12°/s2. All the components of the complete system are water- and weather proof and packaged to ensure safe operation in marine conditions. Running tests have been successfully taken in real sunny weather conditions on a sea boat speeding at 30 km/h with a wind velocity up to 19 km/h. The article concludes that domestically engineered, the device is more financially efficient than imported counterpart equipments as well as promising in terms of technology transfer to mass production by domestic businesses. Keywords: Satellite receiver antenna, marine satellite antenna, antenna angle controller, sensors. References [1] B. Schneiderman, Executive Roundtable on Maritime and Energy Markets, Satellite Executive Briefing, Vol. 11 No. 8 (2018) 9.[2] L.M. Bradbury, D. Diaconu, S. Molgat Laurin, A.M. Beattie, C. Ma, I.S. Spydevold, H.C. Haugli, R.E. Zee, J. Harr, F. Udnæs, NorSat-2: Enabling advanced maritime communication with VDES, Acta Astronautica, 156 (2019) 44-50[3] Y.J. Song, P.S. Kim, D.G. Oh, et al., Development of mobile broadband interactive satellite access system for Ku/Ka band, International journal of satellite communications and networking, 24 (2007) 101-117. [4] Y.J. Song, M.S. Shin, B.H. Kim, et al, Development of mobile broadband satellite access system for Ka/Ku-band satellite communications, Ieice transactions on communications, e87b (2004) 2152-2161.[5] S. Pekowsky, G Pousset, Y. Levy, MobileTV Receiver Technology with special emphasis on DVB-SH, international journal of satellite communications and networking, 27 (2009) 275-293.[6] http://www.raysat.com/mobile_satellite_television_antennas.[7] Nguyễn Hữu Đức, Bùi Đình Tú, Nguyễn Thị Ngọc, Đồng Quốc Việt, Đỗ Thị Hương Giang, Trạm thu di động thông tin vệ tinh dựa trên sensơ từ trường độ nhạy cao ứng dụng trên tàu biển, Tuyển tập Hội thảo khoa học Công nghệ vũ trụ và ứng dụng, Hà Nội, 2014.[8] M. Geissler, F. Woetzel, M.Böttcher, S. Korthoff, A.Lauer, M.Eube, R. Gieron, Roman, Innovative phased array antenna for maritime satellite communications, EuCAP 2009. 3rd European Conference on Antennas and Propagation, (2009)735-739[9] http://www.orbit-cs.com/modular-maritime-communications-system[10] https://www.digisat.org/maritime-satcom-vsat[11] https://paracomm.co.uk/[12] https://www.intelliantech.com/?lang=en.[13] Nguyễn Hữu Đức, Báo cáo tổng kết đề tài đề tài “Thiết kế và chế tạo trạm thu di động thông tin vệ tinh dựa trên sensơ từ trường độ nhạy cao ứng dụng trên tàu biển”, Chương trình KH&CN quốc gia về Công nghệ vũ trụ giai đoạn 2013-2015, Hà Nội, 2016.

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Section: Mở đầU unclassified

Research and Development of Mobile Marine Satellite Antenna System in Vietnam

Tam¹,

Giang²

2019

NST

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“…With increasing demands for higher transmission data rate and sensing resolution, many communication and radar applications in Ku-band are emerging, including broadcasting [1,2], broadband internet services [3][4][5], synthetic aperture radar (SAR) [6][7][8][9][10][11]. In particular, the Ku 12 and 18 GHz bands each have about 2-GHz bandwidth, and they can be used to realize flexible point-to-point (P2P) microwave backhaul link for non-urban areas [12,13].…”

Section: Introductionmentioning

confidence: 99%

A Ku-band transmitter front-end in 65-nm CMOS with >45-dBc image-rejection ratio and >43-dBc LOFT suppression

Duan

Chen

Wang

et al. 2023

IEICE Electron. Express

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This paper presents a fully integrated Ku-band transmitter frontend with high image rejection ratio (IRR), local oscillator feedthrough (LOFT) suppression, gain and output power for point-to-point (P2P) communication. To avoid the bulky off-chip image-rejection filter, the Hartley transmitter structure is employed, in which frequency plan is undertaken to improve the IRR and LOFT performance, and a two-stage polyphase filter (PPF) and an in/quadrature-phase (I/Q) Gilbert mixer are utilized to improve the IRR further. With the capacitive neutralization and transformer-based series power combining techniques, a two-stage power amplifier (PA) is used to obtain high gain and output power. In the LO buffer, a flexible phase inverting cascode structure is used to achieve reliable upsideband operation, and the inductive peaking technique and cross-coupled transistor pair are employed to promote the LO swing. Fabricated in a 65nm CMOS process, the proposed Ku-band transmitter occupies a chip area of 0.98 mm 2 , and consumes 304-mW power consumption from a 1.2-V supply voltage. With measurements, over 15.8-17.9-GHz radio frequency (RF) bandwidth, the transmitter achieves an IRR and LOFT suppression ratio of 45-55 and 43-52 dBc, respectively. Moreover, it exhibits a conversion gain of 28.5 dB, an output 1-dB compression point (OP1dB) of 13.3 dBm and a saturated output power (Psat) of 16 dBm.

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“…It ensures interoperability between multiple vendor satellite user equipment. 5. It ensures provision of secure transactions between end users and service providers, authentication, integrity, and confidentiality, and non-repudiation of the services, and prevention of unauthorised access.…”

Section: Introductionmentioning

confidence: 99%