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wyszukanych pozycji: 6
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Concentric Circular Antenna Arrays
ISBN: 9783659529542 / Angielski / Miękka / 2014 / 116 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. This book provides a comprehensive study on concentric circular antenna arrays and its role in wireless communications. The first chapter reviews the propagation characteristics and mobile channel impairments, then introduces the concept of smart antenna technology and its role in performance improvement for mobile systems. Chapter two describes the various two-dimensional array structures for mobile communications including planer rectangular arrays, circular arrays, and introduces the concentric circular arrays concepts. Finally in chapter three, the concentric circular antenna arrays are...
This book provides a comprehensive study on concentric circular antenna arrays and its role in wireless communications. The first chapter reviews the ...
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cena:
251,91 zł |
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Circularly Masked Planar Arrays : Modeling & Design
ISBN: 9783659859823 / Angielski / Miękka / 2016 / 56 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
164,72 zł |
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Mobile Communications System using Stratospheric Platforms
ISBN: 9783659509902 / Angielski / Miękka / 2013 / 56 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. In this book, the cell footprint of stratospheric platforms mobile communications system is analyzed and the layout extension is described. The cellular parameters are dependent on the earth surface approximations models where it can be flat or curved especially at lower elevation angle regions. When designing the system coverage, the cell becomes flattened and its eccentricity increases greatly at lower elevation angles as we use circular beams. A technique has been introduced to overcome the broadening of the cells especially at lower elevation angles. This technique is based on the...
In this book, the cell footprint of stratospheric platforms mobile communications system is analyzed and the layout extension is described. The cellul...
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cena:
164,72 zł |
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Direction-of-Arrival Estimation using High-Altitude Platform
ISBN: 9783659931772 / Angielski / Miękka / 2017 / 68 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
164,72 zł |
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Beamforming Techniques for High-Altitude Platforms Communications
ISBN: 9783659504136 / Angielski / Miękka / 2013 / 164 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. In this book, the coverage of High-Altitude Platforms cellular system is analyzed and improved using antenna arrays and beamforming techniques. Firstly, the HAP cell footprint is analyzed and footprint equations are investigated that include the effects of the earth's curvature. Secondly, regarding the cellular layout expansion of HAPs, an algorithm is introduced for cells' beams pointing generation. Thirdly, the carrier-to-interference (CIR) in the HAP tessellated cell structure has been improved using uniform circular antenna arrays (UCCAs) with low-sidelobe levels. Fourthly, the wide area...
In this book, the coverage of High-Altitude Platforms cellular system is analyzed and improved using antenna arrays and beamforming techniques. Firstl...
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cena:
329,91 zł |
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Internet of Things
ISBN: 9783659520853 / Angielski / Miękka / 2014 / 136 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
284,03 zł |
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