more than one communications technology.. This white paper details the advantages that satellite communications networks provide when used as part of an integrated end-to-end communications solution. For the purposes of this paper, integrated end-to-end communications solutions will refer to those networks where satellite-based capabilities Jul 27, · blogger.com In this paper, we propose an intelligent jamming engine (IJE) and analyze its effectiveness for countering reinforcement learning (RL)-based antijamming strategies, which are being envisaged for future autonomous satellite and space communication applications. The proposed jamming approach exploits the limitations in learning patterns of Q-learning-based RL agent by incorporating controlled randomness in jamming patterns and achieves effective jamming SATELLITE COMMUNICATION IEEE PAPER ABSTRACT: This paper deals with the new progressive channel coding methods for short message transmission via satellite transponder using predetermined length of frame. The key benefits of this contribution are modification and implementation of a new turbo code
SATELLITE COMMUNICATION IEEE PAPER
To browse Academia. edu and the wider internet faster and more securely, papers on satellite communication, please take a few seconds to upgrade your browser. Skip to main content. edu no longer supports Internet Explorer. Log In Sign Up. Satellite Communication 5, Followers. Papers People. System and method for detection of dispersed broadband signals. A system and method for detecting the presence of dispersed broadband signals in real time. The present invention utilizes a bank of matched filters for detecting the received dispersed broadband signals.
Each matched filter uses a Each matched filter uses a respective robust time template that has been designed to approximate the dispersed broadband signals of interest, and each time template varies across a spectrum of possible dispersed broadband signal time templates. The received dispersed broadband signal x t is received by each of the matched filters, and if one or more matches occurs, then the received data is determined to have signal data of interest.
The system and method of the present invention will prove extremely useful in many fields, including satellite communications, plasma physics, and papers on satellite communication research. The varying time templates used in the bank of matched filters are determined as follows. Save to Library. Transionospheric signal detection with chirped wavelets. High Efficiency Space-Based Software Radio Architectures: A Minimum Size, papers on satellite communication, Weight, and Power TeraOps Processor.
ABSTRACT Los Alamos has recently completed the latest in a series of reconfigurable software radios, which incorporates several key innovations in both hardware design and algorithms. Due to our focus on satellite applications, each Due to our focus on satellite applications, each design must extract the best size, weight, and power performance possible from the ensemble of commodity off-the-shelf COTS parts available at the time of design.
This processing capability enables very advanced algorithms such as our wideband RF compression scheme to operate remotely, allowing network bandwidth constrained applications to deliver previously unattainable performance. Broadband Conformal Phased Array with Optical Beam Forming for Airborne Satellite Communication. Thermal and structural analysis of electron gun for high efficiency space TWT.
Review Vol. SUNRAY-1D and SUNRAY Design and development of Ku-band W space TWT. Page 1. Choudhury, Rajendra K. Sharma, Anirban Bera, Sudhir M. Sharma, and Vishnu Srivastava Central Electronics Engineering Research Institute, Pilani Efficiency enhancement of C-band, 60 W space traveling wave tube TWT, papers on satellite communication.
Thanks are also due to Prof BN Basu and Dr SN Joshi for their encouragement. Thanks to ShDheeraj Kumar, Project Assistant for drawing graphs etc. Design of high efficiency space TWTs. High efficiency space travelling wave tubes TWT are essentially required for defense coherent radars and for satellite communication systems as a high power, high gain microwave amplifier.
Sinceefforts have been made at CEERI jointly with BEL, Bangalore. Design of helical slow wave structure for Ka-band 40W space TWT. A simple design approach for the slow wave structure SWS of a Ka-band 40 W helix TWT has been developed. Two software CST MWS and in house developed SUNRAY-1D have been used to design helical slow wave structure for meeting the desired Development of WWW-based TelePACS using satellite data communication system.
Abstract Papers on satellite communication this paper, we present the WWW World-Wide-Web -based TelePACS, which uses the communication network as Asymmetric Satellite Data Communication System ASDCS.
Web-based TelePACS is implemented with JAVA language. Through the A robust, low complexity 5. Time-varying interference suppression in communication systems using time-frequency signal transforms. Estimating interference ushg the Estimating interference ushg the GFT An adjustable subreflector prototype has been An adjustable subreflector prototype has been designed and manufactured in order to provide a scanning field of view of 4deg around a central direction.
The details of the subreflector design and some simulated. Rapid dual reflector shaping using Ant Colony Optimization, fast iterated PO and asymptotic MFIE. The objective of this work is to obtain a method to perform the optimization of the a limited set of lineal mechanical actuators that produce the antenna surface deformation.
Papers on satellite communication deformation is used to obtain a reconfigurable compact This deformation is used to obtain a reconfigurable compact shaped dual reflector to be placed on the top of a train to access to a satellite communication service.
The reconfigurability of this antenna is used to point to the satellite in the elevation plane. To get this objective, we propose a direct method to shape dual reflectors using a ant colony optimization ACO with accelerated high-frequency pattern calculation in each iteration.
The efficiency of the method is based on a realistic surface description from the actuators positions and an accurate radiation calculations based on MFIE, papers on satellite communication. Zooming techniques for a gregorian confocal dual reflector antenna. Reflector antenna pattern reconfigurability has been identified as a one of the most interesting and papers on satellite communication area for satellite telecommunications, papers on satellite communication.
Steering and zooming the heard are important capabilities for onboard antenna Steering and zooming the heard are important capabilities for onboard antenna configurations. This work presents a comparison between two different zooming techniques of a Gregorian confocal dual reflector antenna GCDRA when it scans electro-mechanically. The first of the zooming techniques. A dual reflector antenna with adjustable subreflector for hybrid mechanical-electronic scanning. The main characteristic of the antenna is to provide two The main characteristic of the antenna is to provide two separate controls of the main beam: electronic control and mechanical control.
The mechanical control is produced by an adjustable subreflector, working cooperatively with the electronic beam, papers on satellite communication. Protocols for multi-satellite networks.
The unique features of a multisatellite network, which distinguish it from ordinary terrestrial networks, are the large propagation delay on the links, the constant changes in the network topology, and additional constraints such as The unique features papers on satellite communication a multisatellite network, which distinguish it from ordinary terrestrial networks, are the large propagation delay on the links, the constant changes in the network topology, and additional constraints such as limitation on power consumption.
It is noted that ordinary protocols, which are designed to operate in stable, benign environments, will perform poorly under the dynamic conditions of multisatellite network. The author analyzes the limitations to existing protocols and describes protocols, such as routing, topology control, and reliable transport, that are suitable for multisatellite networks.
Communication solution for Vehicles Navigation on the Airport territory. Expanding the wireless universe: EU research on the move. Related Topics. Congestion Control. Follow Following.
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Satellite Communication - Defintion, Principle, Polar Circular orbit
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SATELLITE COMMUNICATION IEEE PAPER ABSTRACT: This paper deals with the new progressive channel coding methods for short message transmission via satellite transponder using predetermined length of frame. The key benefits of this contribution are modification and implementation of a new turbo code EC SAT COMM Question Papers. Anna University Regulation ECE EC SAT COMM Question Papers for previous years are provided below. Previous Year Question Papers for ECE 7th SEM EC Satellite Communication Engineering are listed down for students to make perfect utilization and score maximum marks with our study materials. Anna University Regulation Electronics and Communication Engineering (ECE) 7th SEM EC SAT COMM -Satellite Communication more than one communications technology.. This white paper details the advantages that satellite communications networks provide when used as part of an integrated end-to-end communications solution. For the purposes of this paper, integrated end-to-end communications solutions will refer to those networks where satellite-based capabilities
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