H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 11/00 (2006.01) H04J 1/00 (2006.01)
Patent
CA 2673671
Provided is a radio transmission device including: time frequency axis conversion means which subjects a time axis signal to Fourier transform so as to generate a plurality of frequency signals; subcarrier allocation means which segmentates the frequency signals into a plurality of blocks so that frequency signals constituting the respective blocks are allocated to continuous subcarriers; transmission power adjusting means which adjusts the transmission power of the transmission signals formed by the subcarriers; and control means which controls the subcarrier allocation means and the transmission power adjusting means so that the number of frequencies constituting one block increases as the transmission power increases.
L'invention concerne un dispositif de transmission radio comprenant : des moyens de conversion d'axe temps-fréquence qui soumettent un signal d'axe temporel à une transformée de Fourier de façon à générer une pluralité de signaux de fréquence ; des moyens d'allocation de sous-porteuses qui segmentent les signaux de fréquence en une pluralité de blocs, de telle sorte que les signaux de fréquence constituant les blocs respectifs sont alloués à des sous-porteuses continues ; des moyens d'ajustement de puissance de transmission qui ajustent la puissance de transmission des signaux de transmission formés par les sous-porteuses ; et des moyens de commande qui commandent les moyens d'allocation de sous-porteuses et les moyens d'ajustement de puissance de transmission, de telle sorte que le nombre de fréquences constituant un bloc augmente à mesure que la puissance de transmission augmente.
Hamaguchi Yasuhiro
Kubota Minoru
Miyamoto Shinichi
Namba Hideo
Sampei Seiichi
G. Ronald Bell & Associates
Sharp Kabushiki Kaisha
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