H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/005 (2006.01) H01Q 3/24 (2006.01) H04B 7/02 (2006.01) H04B 7/04 (2006.01) H04Q 7/22 (2006.01) H04Q 7/36 (2006.01)
Patent
CA 2210876
The radio area to be covered by the stationary radio transmission/reception means, for example of the base station of a cordless telephone, is illuminated by two or more directional antennas (3, 4) respectively covering a radio sub-area thereof, whereby that respective directional antenna in whose radio sub-area the mobile radio transmission/reception means, i.e., for example, the mobile part of the cordless telephone is located is activated (antenna diversity). The method and apparatus can be advantageously utilized in cordless telephones.
L'espace radio à couvrir par le dispositif radio émetteur-récepteur stationnaire, par exemple, la station de base d'un téléphone sans fil, est desservi par deux ou plusieurs antennes directives (3, 4) couvrant chacune un espace radio partiel; l'antenne directive activée étant celle dans l'espace radio partiel de laquelle se trouve le dispositif radio émetteur-récepteur mobile, c'est-à-dire par exemple, la partie mobile du téléphone sans fil (diversité d'antennes). L'invention peut être avantageusement utilisée pour des téléphones sans fil.
Euscher Christoph
Gapski Dietmar
Pillekamp Klaus-Dieter
Aktiengesellschaft Siemens
Smart & Biggar
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