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18 results with keyword: 'cognitive radio for ka band satellite communications'

Cognitive Radio for Ka Band Satellite Communications

1) Cognitive Zone: A cognitive zone is defined as the area around the FSS terminals where the cognitive FSS terminal’s interference from the incumbent terminals is above the nom-

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2021
Cognitive Spectrum Utilization  in Ka Band Multibeam Satellite Communications

As power control in downlink is well established in the current satellite networks, from cognitive resource allocation viewpoint, we focus on power allocation related to the

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2021
Resource Allocation for Cognitive Satellite Communications in Ka-band (17.7-19.7 GHz)

In particular, we focus on the cognitive downlink access by Geostationary (GEO) Fixed Satellite Service (FSS) terminals in the band 17.7-19.7 GHz, where the incumbent users

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2021
THE ROLE OF KA-BAND SATELLITE SYSTEMS IN DELIVERING BROADBAND SERVICES

– The economics of Ka-band Satellite broadband and the Satellite Broadband Internet Market – High Throughput Ka-band GEO Satellites (HTS) - Changing The Game.. – Ka-band

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2021
STRENGTHENING NATIONAL SYSTEMS OF INNOVATION: THE IMPORTANCE OF NATIONAL COLLABORATION, INCUBATORS, ENTREPRENEURSHIP AND NICHE MANAGEMENT

 Through its soft loan program, TTGV provided well above 385 Million USD to around 1000 technology development projects..  TTGV was the first institutional investor in the

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2021
Technical Challenges for Cognitive Radio Application in Satellite Communications

This can occur whenever no information of their presence is given by a database; in particular energy detector and cyclostationary feature detectors have been considered, allowing

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2021
Spectrum awareness and exploitation for Cognitive Radio Satellite Communications

• Scenario C: this scenario refers to the use of CR tech- niques in the return link of a Ka-band FSS satellite system (cognitive system) reusing frequency bands of FS links

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2021
Biomanufacturing Technologies for Engineering Biology

Under an accelerated timeline of two months, the process illustrated by Figure 1 was used to identify the emerging technologies discussed in this report. 1) A

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2020
High Efficiency Traveling-Wave Tube Power Amplifier for Ka-Band Software Defined Radio on International Space Station-A Platform for Communications Technology Development

High Efficiency Traveling-Wave Tube Power Amplifier for Ka-Band Software Defined Radio on International Space Station-A Platform for Communications Technology

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2021
Effect of some inorganic salts on infiltration rate of soils of several parts of Mehsana and Patan district (North Gujarat)

show wide variation in initial and final stages Infiltration rates were measured by using the modified Dettmann Emersion technique[14].Comparing infiltration rate for

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2020
How Do Firms Choose Financial Advisors in Mergers and Acquisitions and Why Do They Switch?

Model 1 includes all observations that had issued IPO or SEO or both in 5 years, or/and had conducted M&A(s) in 5 years; Model 2 includes all observations from Model 1 that

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2021
A Dual Band Orthomode Transducer in K/Ka Bands for Satellite Communications Applications

Abstract —This article presents the design, simulation and machining of a dual Orthomode Transducer for feeding antenna using waveguide technology.. Linear orthogonal polarizations

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2020
Multi-Objective Reinforcement Learning for Cognitive Radio-Based Satellite Communications

In order to support the development of future cognitive satellite-based communication systems, a rein- forcement learning-based algorithm design for multi-objective radio

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2021
government Global Xpress Land Terminal Features Raising the bar on VSAT

Leveraging its leadership in mobile satellite communications terminal technology through its global L-band network, Inmarsat’s driving goal has been to deliver a user experience

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2021
Broadband & Satellite Russia Newsletter

In the end of 2014, Russian Satellite Communications Company (RSCC) will put into commercial operation a broadband network in the Ka-band through Express-AM5 satellite, said

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2021
Nº 531 ISSN Trade liberalization and industrial concentration: Evidence from Brazil. Pedro Cavalcanti Ferreira Giovanni Facchini

This paper applies an endogenous lobby formation model to explain the extent of trade protection granted to Brazilian manufacturing industries during the 1988- 1994 trade

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2021
Overview of Propagation Studies at NASA Glenn Research Center

GRC possesses over 35+ station years of Ka-band propagation data collected through the Advanced Communications Technology Satellite (ACTS) program..2. Propagation

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2021
Implementation Issues of Cognitive Radio Techniques for Ka-band (17.7-19.7 GHZ) SatComs

For example, using the link budget parameters specified in Table I, the harmful interference power threshold at the dipole chain is −146.6 dBW/MHz and the received FSS satellite

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2021

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