Antenna Arrangement

Abstract

An antenna ( 2 - 20 ) for use in a mobile device ( 1 - 1 ) includes elements for receiving ( 2 - 5, 3 - 1, 4 - 1, 5 - 1, 6 - 5 ) a signal from a satellite positioning system; a first layer of dielectric material ( 2 - 4 a, 2 - 4 b, 3 - 2, 3 - 3, 5 - 2, 4 - 3, 5 - 2, 5 - 3, 6 - 4, 6 - 15 ) and a second layer of dielectric material ( 2 - 4 a, 2 - 4 b, 3 - 2, 3 - 3, 5 - 2, 4 - 3, 5 - 2, 5 - 3, 6 - 4, 6 - 15 ), wherein the elements for receiving ( 2 - 5, 3 - 1, 4 - 1, 5 - 1, 6 - 5, 7 - 6 ) the signal is at least partly between the first dielectric layer ( 2 - 4 a, 2 - 4 b, 3 - 2, 3 - 3, 5 - 2, 4 - 3, 5 - 2, 5 - 3, 6 - 4, 6 - 15 ) and the second dielectric layer ( 2 - 4 a, 2 - 4 b, 3 - 2, 3 - 3, 5 - 2, 4 - 3, 5 - 2, 5 - 3, 6 - 4, 6 - 15 ).

1 . An antenna ( 2 - 10 ,  6 - 10 ) for use in a mobile device ( 1 - 1 ), characterized in that the antenna ( 2 - 10 ) comprises
 receiving means adapted to receive ( 2 - 5 ,  3 - 1 ,  4 - 1 ,  5 - 1 ,  6 - 5 ,  7 - 6 ) a signal from a satellite positioning system;   a first layer of dielectric material ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ); and   a second layer of dielectric material ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ), wherein the receiving means ( 2 - 5 ,  3 - 1 ,  4 - 1 ,  5 - 1 ,  6 - 5 ,  7 - 6 ) is at least partly between the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) and the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ).   
   
   
       2 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) and the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) have the same dielectric constants. 
   
   
       3 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) and the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) have different dielectric constants. 
   
   
       4 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that at least one of the dielectric layers ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) is adapted to the frequency of the signal. 
   
   
       5 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that the dielectric constant and/or the dielectric loss and/or the thickness of at least one of the dielectric layers ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) is adapted to the frequency of the signal. 
   
   
       6 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that the thickness of the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) substantially equals to the thickness of the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ). 
   
   
       7 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that the thickness of the dielectric layers ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) is one quarter or one half of the wavelength of the received signal. 
   
   
       8 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) is substantially two times thicker than the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ). 
   
   
       9 . An antenna ( 2 - 10 ) according to  claim 8 , characterized in that the thickness of the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) is substantially one half of the wavelength of the received signal and the thickness of the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) is substantially one quarter of the wavelength of the received signal. 
   
   
       10 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that means for receiving ( 2 - 5 ,  3 - 1 ,  4 - 1 ,  5 - 1 ,  6 - 5 ) the signal comprises a wire ( 2 - 5 ,  3 - 1 ,  4 - 1 ,  5 - 1 ). 
   
   
       11 . An antenna ( 2 - 10 ) according to  claim 1 , characterized in that means for receiving ( 2 - 5 ,  3 - 1 ,  4 - 1 ,  5 - 1 ,  6 - 5 ) the signal comprises a first metal plane layer ( 6 - 5 ), which is at least partly between the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) and/or the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ), the first metal plane layer being adapted to be coupled with a second metal plane layer, whereby a resonator ( 6 - 5 ,  6 - 6 ) is formed between the first metal layer ( 6 - 5 ) and the second metal layer ( 6 - 6 ). 
   
   
       12 . An antenna ( 2 - 10 ) according to  claim 11 , characterized in that the resonator ( 6 - 5 ,  6 - 6 ) is capacitive, inductive, dielectric and/or non-radiating. 
   
   
       13 . An antenna ( 2 - 10 ) according to  claim 11 , characterized in that the second metal plane layer ( 6 - 6 ) is a ground layer ( 1 - 3 ,  3 - 6 ,  4 - 6 ,  5 - 6 ,  6 - 6 ) arranged to a mobile device ( 1 - 1 ). 
   
   
       14 . A subscriber identity module ( 1 - 4 ,  2 - 1 ) comprising one or more contacts for connecting to a mobile device, characterized in that it comprises an antenna ( 2 - 10 ,  6 - 10 ) according to  claim 1 , the antenna further comprising a first metal plane layer ( 6 - 5 ) as the receiving means, which is at least partly between the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) and the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) the first metal plane layer being adapted to be coupled with a second metal plane layer ( 6 - 6 ) of the subscriber identity module whereby a resonator ( 6 - 5 ,  6 - 6 ) is formed between the first metal layer ( 6 - 5 ) and the second metal layer ( 6 - 6 ). 
   
   
       15 . A module ( 2 - 1 ) according to  claim 14 , characterized in that the resonator ( 6 - 5 ,  6 - 6 ) is capacitive, inductive, dielectric and/or non-radiating. 
   
   
       16 . A module ( 2 - 1 ) according to  claim 14 , characterized in that second metal plane layer ( 6 - 6 ) is a ground layer. 
   
   
       17 . A module ( 2 - 1 ) according to  claim 14 , characterized in that the distance ( 6 - 9 ) between the metal plane layers ( 6 - 5 ,  6 - 6 ) is adapted on the basis of the frequency to be received. 
   
   
       18 . A subscriber identity module ( 2 - 1 ) according to  claim 14 , characterized in that comprises means for determining positioning data at least partly based on the signal. 
   
   
       19 . A subscriber identity module ( 2 - 1 ) according to  claim 14 , characterized in that it comprises means for conveying the signal from a satellite positioning system and/or the positioning data via one or more contacts ( 2 - 2 ). 
   
   
       20 . An antenna arrangement ( 6 - 10 ) for receiving a signal from a satellite positioning system, characterized in that it comprises an antenna ( 2 - 10 ,  6 - 10 ) according to  claim 1 , the antenna further comprising a first metal plane layer ( 6 - 5 ) as the receiving means, which is at least partly between the first dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) and/or the second dielectric layer ( 2 - 4   a ,  2 - 4   b ,  3 - 2 ,  3 - 3 ,  5 - 2 ,  4 - 3 ,  5 - 2 ,  5 - 3 ,  6 - 4 ,  6 - 15 ) the first metal plane layer ( 6 - 5 ) being adapted to be coupled with a second metal plane layer ( 6 - 6 ) of a mobile device, whereby a resonator ( 6 - 5 ,  6 - 6 ) is formed between the first metal plane layer ( 6 - 5 ) and the second metal plane layer ( 6 - 6 ) when the antenna arrangement is installed in the mobile device. 
   
   
       21 . An arrangement ( 2 - 10 ) according to  claim 20 , characterized in that the resonator ( 6 - 5 ,  6 - 6 ) is capacitive, inductive, dielectric and/or non-radiating. 
   
   
       22 . An arrangement ( 2 - 10 ) according to  claim 20 , characterized in that second metal plane layer ( 6 - 6 ) is a ground layer. 
   
   
       23 . An arrangement ( 2 - 10 ) according to  claim 20 , characterized in that the effect of the variation of the distance between the first metal layer ( 6 - 5 ) and the second metal layer ( 6 - 6 ) is controlled on the basis of the dielectric constant of the dielectric material for minimizing the detuning effect. 
   
   
       24 . A mobile device ( 1 - 1 ) comprising a first antenna for receiving a signal from a mobile communications system, characterized by further comprising a second antenna ( 2 - 10 ,  6 - 10 ) according to, a subscriber identity module ( 6 - 1 ) according to  claim 14 . 
   
   
       25 . An antenna arrangement ( 6 - 10 ) for receiving a signal from a satellite positioning system, characterized in that the antenna arrangement comprises
 receiving means ( 7 - 1 ,  8 - 6 ) adapted to receive the signal the receiving means ( 7 - 1 ,  8 - 6 ) being a ground ( 7 - 1 ) of a mobile device;   resonator means ( 7 - 4 ) being adapted to the frequency of the signal; and   filtering means ( 7 - 2 ) adapted to pass frequencies below the frequency of the signal.   
   
   
       26 . An antenna arrangement ( 6 - 10 ) according to  claim 25 , characterized in that resonator means ( 7 - 4 ) and filtering means ( 7 - 2 ) are coupled to the receiving means ( 7 - 1 ,  8 - 6 ). 
   
   
       27 . An antenna arrangement ( 6 - 10 ) according to  claim 25 , characterized in that resonator means ( 7 - 4 ) and filtering means ( 7 - 2 ) are coupled together. 
   
   
       28 . An antenna arrangement ( 6 - 10 ) according to  claim 25 , characterized in that resonator means ( 7 - 4 ) and filtering means ( 7 - 2 ) are coupled to a subscriber identity module. 
   
   
       29 . An arrangement according to  claim 25 , characterized in that the resonator ( 7 - 4 ) comprises one or more of a dielectric component and/or one or more of a resistor and/or one or more of a capacitor and/or one or more of an inductor. 
   
   
       30 . An arrangement according to  claim 25 , characterized in that the filtering means ( 7 - 2 ) comprises one or more of a dielectric component and/or one or more of a resistor and/or one or more of a capacitor and/or one or more of an inductor and/or one or more of a transconductor. 
   
   
       31 . An arrangement ( 2 - 10 ) according to  claim 20 , characterized in that the distance between the resonator ( 6 - 5 ,  7 - 4 ) and the ground plane ( 6 - 6 ,  7 - 1 ) is adapted on the basis of the frequency to be received. 
   
   
       32 . A module according to  claim 14 , characterized in that the effect of the variation of the distance ( 6 - 9 ) between the first metal layer ( 6 - 5 ) and the second metal layer ( 6 - 6 ) is controlled on the basis of the dielectric constant of the dielectric material ( 6 - 4 ) for minimizing the detuning effect.