Apparatus and method generating multi RF tone signals in UWB communication system
First Claim
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1. A method of converting a frequency of an ultra wide band (UWB) communication high frequency signal received from an antenna in an ultra wide band (UWB) communication system transmitting and receiving using at least two reference frequencies, comprising:
- generating generation frequencies having frequencies set to convert the frequency of the high frequency signal;
mixing the high frequency signal with a portion of the generation frequencies to generate a mixed signal; and
mixing the mixed signal with other generation frequencies, other than the portion of the generation frequencies, to generate low frequency signals used in the UWB communication system,wherein the at least two reference frequencies comprise at least one of 3432 MHz, 3960 MHz, and 4488 MHz,wherein the reference frequencies respectively correspond to frequencies of sub-bands of a frequency band for UWB communication, andwherein the mixing of the high frequency signal and the portion of the generation frequencies generates an intermediate frequency signal and the mixing of the mixed signal and the other generation frequencies to generate low frequency signals used in the UWB communication system comprises;
mixing the high frequency signal with one of the generation frequencies 2112 MHz, 2640 MHz and 3168 MHz to generate the intermediate frequency; and
mixing the intermediate frequency with the generation frequency of 1320 MHz.
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Abstract
An apparatus and method for converting a frequency of a high frequency signal received from an antenna in an ultra wide band communication system transmitting and receiving using at least two reference frequencies. The method includes generating generation frequencies having frequencies set to convert the frequency of the high frequency signal and mixing the frequency of the high frequency signal and the generation frequencies in at least two stages.
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Citations
9 Claims
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1. A method of converting a frequency of an ultra wide band (UWB) communication high frequency signal received from an antenna in an ultra wide band (UWB) communication system transmitting and receiving using at least two reference frequencies, comprising:
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generating generation frequencies having frequencies set to convert the frequency of the high frequency signal; mixing the high frequency signal with a portion of the generation frequencies to generate a mixed signal; and mixing the mixed signal with other generation frequencies, other than the portion of the generation frequencies, to generate low frequency signals used in the UWB communication system, wherein the at least two reference frequencies comprise at least one of 3432 MHz, 3960 MHz, and 4488 MHz, wherein the reference frequencies respectively correspond to frequencies of sub-bands of a frequency band for UWB communication, and wherein the mixing of the high frequency signal and the portion of the generation frequencies generates an intermediate frequency signal and the mixing of the mixed signal and the other generation frequencies to generate low frequency signals used in the UWB communication system comprises; mixing the high frequency signal with one of the generation frequencies 2112 MHz, 2640 MHz and 3168 MHz to generate the intermediate frequency; and mixing the intermediate frequency with the generation frequency of 1320 MHz. - View Dependent Claims (2)
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3. A method of converting a frequency of an ultra wide band (UWB) communication high frequency signal received from an antenna in an ultra wide band (UWB) communication system transmitting and receiving using at least two reference frequencies, comprising:
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generating generation frequencies having frequencies set to convert the frequency of the high frequency signal; mixing the high frequency signal with a portion of the generation frequencies to generate a mixed signal; and mixing the mixed signal with other generation frequencies, other than the portion of the generation frequencies, to generate low frequency signals used in the UWB communication system, wherein the generation frequencies comprise at least one of 1320 MHz, 2112 MHz, 2640 MHz and 3168 MHz, and wherein the generation frequencies of 2112 MHz and 3168 MHz are generated by dividing the generation frequency of 2640 MHz into frequencies of 528 MHz and mixing the frequencies of 528 MHz with the generation frequency of 2640 MHz.
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4. An apparatus for converting a frequency of a ultra wide band (UWB) communication high frequency signal received from an antenna in an ultra wide communication system transmitting and receiving using at least two reference frequencies, comprising:
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a sub-band generator generating generation frequencies having frequencies set to convert the frequency of the high frequency signal; a first mixer mixing the high frequency signal with a portion of the generation frequencies to generate a mixed signal; and at least one second mixer mixing the mixed signal with other generation frequencies, other than the portion of the generation frequencies, to generate low frequency signals used in the UWB communication system, wherein the first mixer and the at least one second mixer comprise; the first mixer mixing the frequency of the high frequency signal with one of the generation frequencies of 2112 MHz, 2640 MHz and 3168 MHz to generate the intermediate frequency; and the at least one second mixer mixing the intermediate frequency with the generation frequency of 1320 MHz. - View Dependent Claims (5)
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6. An apparatus for converting a frequency of a ultra wide band (UWB) communication high frequency signal received from an antenna in an ultra wide communication system transmitting and receiving using at least two reference frequencies, comprising:
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a sub-band generator generating generation frequencies having frequencies set to convert the frequency of the high frequency signal; a first mixer mixing the high frequency signal with a portion of the generation frequencies to generate a mixed signal; and at least one second mixer mixing the mixed signal with other generation frequencies, other than the portion of the generation frequencies, to generate low frequency signals used in the UWB communication system, wherein the sub-band generator generates the generation frequencies to comprise at least one of 1320 MHz, 2112 MHz, 2640 MHz and 3169 MHz, and wherein the sub-band generator comprises; a divider dividing the generation frequency of 2640 MHz into a frequency of 528 MHz; and a mixer mixing the frequency of 528 MHz and the generation frequency of 2640 MHz to generate the generation frequencies of 2112 MHz and 3168 MHz.
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7. An ultra wide band (UWB) communication apparatus, comprising:
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an antenna receiving a high frequency signal; a band pass filter band pass filtering the high frequency signal; a sub-band generator generating generation frequencies having frequencies set to convert the frequency of the high frequency signal; at least two mixers respectively mixing the frequency of the high frequency signal with the generation frequencies at least once to generate an intermediate frequency signal and mixing the intermediate frequency signal and the generation frequencies to generate low frequency signals used in the UWB communication system; and at least one low pass filter to low pass filter the generated low frequency signals, wherein the sub-band generator generates the generation frequencies to comprise at least one of 1320 MHz, 2112 MHz, 2640 MHz and 3169 MHz, and wherein the at least two mixers comprise; a first mixer mixing the frequency of the high frequency signal with one of the generation frequencies of 2112 MHz, 2640 MHz and 3168 MHz to generate the intermediate frequency; and second mixers mixing the intermediate frequency with the generation frequency of 1320 MHz. - View Dependent Claims (8)
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9. An ultra wide band (UWB) communication apparatus, comprising:
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an antenna receiving a high frequency signal; a band pass filter band pass filtering the high frequency signal; a sub-band generator generating generation frequencies having frequencies set to convert the frequency of the high frequency signal; at least two mixers respectively mixing the frequency of the high frequency signal with the generation frequencies at least once to generate an intermediate frequency signal and mixing the intermediate frequency signal and the generation frequencies to generate low frequency signals used in the UWB communication system; and at least one low pass filter to low pass filter the generated low frequency signals, wherein the sub-band generator generates the generation frequencies to comprise at least one of 1320 MHz, 2112 MHz, 2640 MHz and 3169 MHz, and wherein the sub-band generator comprises; a divider dividing the generation frequency of 2640 MHz into a frequency of 528 MHz; and a mixer mixing the frequency of 528 MHz and the generation frequency of 2640 MHz to generate the generation frequencies of 2112 MHz and 3168 MHz.
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Specification