Satellite Communications
Broadband, Wide Beam Circularly Polarized Antenna with a Novel Matching Structure for Satellite Communications
... Circular polarization (CP) and wide beam are required for an antenna for satellite communications [1]. Moreover, wide beamwidth is also required to ensure the signal quality at any place on the earth [2]. ...
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Optimized Design of Helical Antenna with Parasitic Patch for L-Band Satellite Communications
... Satellite communications are a natural outgrowth of modern technology and of the continuing demand for greater capacity and higher quality in communications ...Broadband satellite systems have ...
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A Ku-Band Filtering Duplex Antenna for Satellite Communications
... The duplex antenna is formed of coupled resonators without the use of separated duplexers, antennas, and interconnection matching networks. This effectively forms a multiport filtering network with all of the resonators ...
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Half-Arrow Slot Antenna for Inter-Satellite Communications
... Abstract—In this paper, a novel HMSIW slot antenna combines a significant bandwidth enhancement and small footprint for inter-satellite communications at C-band. The designed antenna has the capability of ...
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Hybrid propagation channel modelling for city area land mobile satellite communications
... recorded by ray tracing software as simulation output. If we consider the combination of interactions (CI), this path can be tagged as pRqD. Also, it has to be noted that in satellite communications, the ...
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Characterization of bright-band in a tropical station for satellite communications
... for satellite communications, particularly in the tropical ...for satellite communication largely under-estimated the attenuation loss along the slant-path because of its failure to include melting ...
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A novel spread slotted ALOHA based on cognitive radio for satellite communications system
... to satellite communications has been studied by ...in satellite commu- nications were studied in [14], and the key challenges and enabling technologies for each scenario are also ...A ...
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A Dual Band Orthomode Transducer in K/Ka Bands for Satellite Communications Applications
... A dual-band OMT for waveguide feed networks has been designed and machined. To be sure from the circuit performances, we did the experiment and took measures of parameters in laboratory. The device compact structure ...
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A Broadband Crossed Dipole Antenna with Wide Axial Ratio Beamwidth for Satellite Communications
... In Table 1, the performances in terms of AR bandwidth, 3-dB AR beamwidth, and gain of the proposed antenna are compared with other crossed dipole antennas reported previously. The proposed antenna has a wider AR ...
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FatPipe Networks Network optimisation and link redundancy for satellite communications
... for satellite communications work holistically to give users and providers greater control over and utilisation of their ...enable satellite environments to attain maximum efficiency from their ...
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Design of Hexadecagon Circular Patch Antenna with DGS at Ku Band for Satellite Communications
... The design of a hexadecagon circular patch (HDCP) antenna with DGS is presented in this paper. The HDCP antenna operates at 13.67 GHz, 15.28 GHz with return losses − 42 . 18 dB, − 38 . 39 dB, and gains 8.01 dBi, 6.01 ...
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NSTAC Report to the President on Commercial Satellite Communications Mission Assurance
... commercial satellite communications (COMSATCOM) industry has significantly increased its support to Government users, supplying a wide range of advanced voice, data, and video communications ...of ...
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Creation of 3D Maps for Satellite Communications to Support Ambulatory Rescue Operations
... a satellite communications profile in Yokohama Yamashita area in ...wave communications are synthesized by multipath waves reflected from buildings and artificial ...
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Design of a Multiband Stacked Microstrip Patch Antenna for Satellite Communications Application
... landline communications infrastructure and provide direct access to the different ...the satellite communications in order to overcome the shortcuts that land infrastructure cannot cover and ...
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Spectrum Monitoring Algorithms for Wireless and Satellite Communications
... two-way communications to support broadband and broadcast ...a satellite communications system, helping in the detection of the RF interference on-board the ...wireless communications, because ...
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Circularly Polarized Arrays of Cavity Backed Slot Antennas for X-Band Satellite Communications
... Cross-shaped and square-shaped arrays of CBS antennas are designed to produce circular polarization for X-band satellite communications. Good radiation characteristics of both arrays over some operating ...
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Study of the effect of air gap on array microstrip antenna performances for mobile satellite communications
... This paper presents the design and performance analysis of stack-patch and pentagonal microstrip array antenna models based on simulation and measurement results. Both antennas use air-gap for enhancing bandwidth, gain, ...
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A KEY AGREEMENT SCHEME FOR SATELLITE COMMUNICATIONS
... of satellite technology, and was standardized by the European Telecommunications Standards Institute (ETSI) ...channel satellite terminals (RCSTs) and a sin- gle network control center ...
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Design of Compact Multiband Antenna with Band-Rejection Features for Mobile Broadband Satellite Communications
... Abstract—This paper presents the design of a compact printed multi-band antenna for satellite communications within vehicular applications. The designed antenna is characterized by its compact size of 24 mm ...
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FIRST RESPONDER S GUIDE TO SATELLITE COMMUNICATIONS
... Public-Safety Communications Officials (APCO) International is pleased to work with the Satellite Industry Association in order to provide a better understanding of the unique resource satellite ...
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