H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 1/725 (2006.01) H04B 1/713 (2011.01)
Patent
CA 2401392
A frequency hopping spread spectrum telecommunication system is provided, which selects carrier frequencies based on the number of active slots. The duration that carriers have been employed is then based on the number of active slots (401, 402), rather than the number of frames (22). Thus, non- interfered with carriers can be used more often than interfered with carriers, thereby improving voice quality.
La présente invention concerne un système de télécommunications à spectre étalé à sauts de fréquence qui choisit les fréquences des porteuses en fonction du nombre de bandes actives. La durée pendant laquelle les porteuses sont utilisées repose ensuite sur le nombre de bandes actives (401,402) plutôt que sur le nombre de trames (22). L'invention permet de cette manière d'utiliser plus souvent des porteuses sans interférences que des porteuses avec interférences, et, par conséquent, d'améliorer la qualité de la voix.
Dicker Olaf
Kockmann Juergen
Sydon Uwe
Aktiengesellschaft Siemens
Siemens Information And Communication Mobile Llc
Smart & Biggar
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