Title :
Comparison of measured and simulated π/4-DQPSK adjacent channel power using a functional high power amplifier model
Author :
Honkanen, Mauri ; Pöllänen, Ossi ; Tanskanen, Juha ; Järvinen, Esko ; Häggman, Sven-Gustav
Author_Institution :
Nokia Res. Center, Tampere, Finland
Abstract :
A novel functional nonlinear high power amplifier model for radio communication system simulations is used to study spectrum regeneration of a nonlinearly amplified π/4-DQPSK signal. Simulated adjacent channel power has been compared to measured results, and a very good resemblance is found. This together with a satisfactory intermodulation behaviour in a two-tone test simulation verifies that the proposed model is applicable to accurate adjacent channel power prediction in radio system simulations
Keywords :
UHF power amplifiers; differential phase shift keying; intermodulation; land mobile radio; quadrature phase shift keying; π/4-DQPSK adjacent channel power; functional high power amplifier model; intermodulation behaviour; radio communication system simulations; simulated adjacent channel power; spectrum regeneration; two-tone test simulation; Amplitude modulation; High power amplifiers; Mobile handsets; Nonlinear distortion; Phase distortion; Power measurement; Power system modeling; Predictive models; Radio communication; System testing;
Conference_Titel :
Vehicular Technology Conference, 1998. VTC 98. 48th IEEE
Conference_Location :
Ottawa, Ont.
Print_ISBN :
0-7803-4320-4
DOI :
10.1109/VETEC.1998.686201
