Interlaced multiband antenna arrays

—Interlaced multiband antenna arrays, in accordance with claim 1, characterised in that the position of the elements in the array is obtained from the juxtaposition of as many mono-band arrays as there are working frequencies required, employing a single fractal multiband antenna, capable of covering the different working frequencies, in those positions of the array in which the positions of two or more elements of the mono-band arrays come together.

—Interlaced multiband antenna arrays, in accordance with claim 1, characterised in that the position of the elements in the array is obtained from the juxtaposition of as many mono-band arrays as there are working frequencies required, employing a single multiband multilevel antenna, capable of covering the different working frequencies, in those positions of the array in which the positions of two or more elements of the mono-band arrays come together.

—Interlaced multiband antenna arrays, in accordance with claim 1, characterised in that the position of the elements in the array is obtained from the juxtaposition of as many mono-band arrays as there are working frequencies required, employing a single multiband multi-triangular antenna, capable of covering the different working frequencies, in those positions of the array in which the positions of two or more elements of the mono-band arrays come together.

—Interlaced multiband antenna arrays, in accordance with claim 1, characterised in that the position of the elements in the array is obtained from the juxtaposition of as many mono-band arrays as there are working frequencies required, employing a multiband antenna formed by the stacking of structures of the patch or microstrip type capable of covering the different working frequencies, in those positions of the array in which the positions of two or more elements of the mono-band arrays come together.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that in those positions in which the elements of two or more mono-band arrays do not come together the same multiband antenna, fractal, multilevel or multi-triangular is employed as in the common positions.

—Interlaced multiband antenna arrays, in accordance with claim 6, characterised in that the working frequency of the fractal, multilevel or multi-triangular multiband antennas is chosen as a function of the position in the multiband interleaved array, by means of a frequency-selective structure like for example a filter, a resonator or even a signal distribution network of the array which is selective in frequency.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that in those positions in which the elements of two or more mono-band arrays do not come together a mono-band antenna is employed which works at the frequency which its position in the array determines.

—Interlaced multiband antenna arrays, in accordance with claim 8, characterised in that the mono-band element employed in those positions in which a multiband element is not required, has a radiation pattern sufficiently like that of the fractal, multilevel or multi-triangular multiband element (on the same frequency) in order that in the pattern of the multiband interleaved array the diffraction is conveniently attenuated.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that the number of elements, their spatial distribution relative to wavelength, and also their current phase and amplitude is the same in all the mono-band arrays that are juxtaposed in order to synthesise the multiband interleaved array, in order to achieve the same array factor in the different bands of interest.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that the number of elements, their spatial distribution relative to wavelength, and also their current phase and amplitude is adjusted at each frequency in order to shape the radiation pattern in accordance with the particular needs of the communication system that is working in each band.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that the operating bands are situated around 900 MHz and 1800 MHz in order to provide service simultaneously for the GSM 900 and GSM 1800 cellular mobile telephony systems.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that the operating bands are situated around 1900 MHz and 3500 MHz in order to provide service simultaneously for the cordless and local radio access communication systems like for example those employing the DECT standard.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that the operating bands are situated around 900 MHz, 1800 MHz and 2100 MHz in order to provide service simultaneously for the GSM 900, GSM 1800 and UMTS cellular mobile telephony systems.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that the operating bands are situated around 800 MHz and 1900 MHz in order to provide service simultaneously for the AMPS and PCS cellular mobile telephony systems.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that a mono-band signal distribution network is employed for each working frequency and sub-array that forms the array.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in that a single multiband distribution network is employed in order go excite all the elements of the array at all the frequencies.

—Interlaced multiband antenna arrays, in accordance with claim 16, characterised in that in the terminals of the distribution network is incorporated or integrated a frequency-selective element (like a filter, resonator or diplexer, by way of example) which permits selection of what elements are excited and at what frequency or frequencies.

—Interlaced multiband antenna arrays, in accordance with claims 1, 2, 3, 4 and 5, characterised in the operating bands are situated around 800 MHz, 1900 MHz and 2100 MHz in order to provide service simultaneously for the AMPS, PCS y UMT 2000 cellular mobile telephony systems.