Research Article
A Model of Double-Directional Indoor Channels for Multiterminal Communications
Table 6
The model of channel power spectra and their parameters.
| Power Spectrum | Theoretical fit (equation) | Parameter | RMSE |
| PDS | Exponential (30) | = 24.6 ns = 127 ns | 0.04 | APAS “A” | Gaussian (32) | = −15°, = 56° | 0.18 | APAS “B” | Gaussian (32) | = 177°, = 30° | 0.09 | DPAS “A” | Gaussian (32) | = −15°, = 55° | 0.21 | DPAS “B” | Gaussian (32) | = 176°, = 31° | 0.14 | APES | Laplace (31)
| = 77°, , = 17° | 0.10 | DPES | Laplace (31)
| = 75°, , = 14° | 0.19 | APDES | (36) | | 1.02 | DPDES | (36) | | 1.68 | PDAS | (40) | — | — |
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