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EnglishIt is shown using first physical principles and without relying on stochastic fading channel models, that the number of spatial degrees of freedom available in planar wireless networks embedded in a three-dimensional propagation environment is limited by the spatial size of the cut that divides the environment into two parts. Specifically, in the case of propagation inside a cylinder of height h and base area n, containing n communicating source-destination node pairs, the number of available channels is at most proportional to h√n and hence, as the number of nodes increases, the per-user information capacity must follow an inverse square-root of n law.
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| Titolo: | Degrees of freedom of large planar wireless networks embedded in a 3D domain |
| Autori: | |
| Data di pubblicazione: | 2010 |
| Abstract: | It is shown using first physical principles and without relying on stochastic fading channel models, that the number of spatial degrees of freedom available in planar wireless networks embedded in a three-dimensional propagation environment is limited by the spatial size of the cut that divides the environment into two parts. Specifically, in the case of propagation inside a cylinder of height h and base area n, containing n communicating source-destination node pairs, the number of available channels is at most proportional to h√n and hence, as the number of nodes increases, the per-user information capacity must follow an inverse square-root of n law. |
| Handle: | http://hdl.handle.net/11580/20883 |
| ISBN: | 9781424478903 |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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