Research Article

A Model of Double-Directional Indoor Channels for Multiterminal Communications

Table 6

The model of channel power spectra and their parameters.

Power SpectrumTheoretical fit (equation)ParameterRMSE

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)