Abstract
A novel and improved method for implementing a high-transmission-rate over-the-air interface is described. A transmit system provides an in-phase channel set and a quadrature-phase channel set. The in-phase channel set is used to provide a complete set of orthogonal medium rate control and traffic channels. The quadrature-phase channel set is used to provide a high-rate supplemental channel and an extended set of medium rate channels that are orthogonal to each other and the original medium rate channels. The high-rate supplemental channel is generated over a set of medium rate channels using a short channel code. The medium rate channel are generated using a set of long channel codes.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
Not Available | 12/06/2006 | ISLD-200612-006 | QUALCOMM INC | No | Family Member | ||||
Not Available | 12/06/2006 | ISLD-200612-006 | QUALCOMM INC | Yes | Basis Patent | ||||
Not Available | 30/06/2008 | ISLD-200810-017 | QUALCOMM INC | Yes | Family Member | ||||
3G | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | Yes | Family Member | ||||
Not Available | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | Yes | Family Member |
Specification Information
Specification Information
Technologies
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US2002009063A1 | Not Available | 12/06/2006 | ISLD-200612-006 | QUALCOMM INC |
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Yes | Basis Patent | |||
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No | Family Member | |||
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Yes | Family Member | |||
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Yes | Basis Patent | |||
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Yes | Family Member | |||
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DK2288062T3 | Not Available | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | No | Family Member | ||||
ES2431796T3 | Not Available | 12/06/2006 | ISLD-200612-006 | QUALCOMM INC |
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No | Family Member | |||
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HK1135245A1 | Not Available | 12/06/2006 | ISLD-200612-006 | QUALCOMM INC |
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No | Family Member | |||
HK1135245A1 | Not Available | 30/06/2008 | ISLD-200810-017 | QUALCOMM INC |
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No | Family Member | |||
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HK1154716A1 | Not Available | 12/06/2006 | ISLD-200612-006 | QUALCOMM INC |
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No | Family Member | |||
HK1154716A1 | 3G | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | No | Family Member | ||||
HK1154716A1 | Not Available | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | No | Family Member | ||||
PT2106033E | Not Available | 12/06/2006 | ISLD-200612-006 | QUALCOMM INC |
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No | Family Member | |||
PT2106033E | Not Available | 30/06/2008 | ISLD-200810-017 | QUALCOMM INC |
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No | Family Member | |||
PT2106033E | 3G | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | No | Family Member | ||||
PT2106033E | Not Available | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | No | Family Member | ||||
PT2288062E | Not Available | 12/06/2006 | ISLD-200612-006 | QUALCOMM INC |
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No | Family Member | |||
PT2288062E | Not Available | 30/06/2008 | ISLD-200810-017 | QUALCOMM INC |
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No | Family Member | |||
PT2288062E | 3G | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | No | Family Member | ||||
PT2288062E | Not Available | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | No | Family Member | ||||
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Technologies

Product
Use Cases

Services
Claim
1. A method for operating a multichannel communication system using direct sequence spread spectrum signal processing comprising the steps of:', 'a) generating a complex data source having a multichannel term and a high-rate term;', 'b) generating a complex spreading code having an in-phase term and quadrature-phase term;', 'c) complex multiplying said complex data source and said complex spreading code yielding a real term and an imaginary term;', 'd) modulating said real term with an in-phase carrier; and', 'e) modulating said imaginary term with a quadrature-phase carrier.
2. An apparatus for generating channels, comprising:', 'an in-phase channel generation system for generating an in-phase channel set of medium rate channels;', 'a quadrature phase channel generation system for generating a quadrature channel set comprising at least one high speed channel that is orthogonal to the in-phase channel set; and', 'a complex multiplier for combining the in-phase channel set and the quadrature channel set to form an in-phase term and a quadrature phase term.
3. The apparatus in accordance with claim 2 wherein said in-phase channel generation system is comprised of a set of long channel code modulators.
4. The apparatus in accordance with claim 3 wherein said quadrature phase channel generation system is comprised of a short channel code modulator.
5. A receive processing system, comprising:', 'an antenna for receiving RF signals;', 'an in-phase carrier coupled to the antenna, for downconverting the RF signals and generating digitized in-phase receive samples;', 'a quadrature-phase carrier coupled to the antenna, for downconverting the RF signals and generating digitized quadrature-phase receive samples;', 'an in-phase spreading code generator for generating an in-phase pseudo-random noise (PN) spreading code;', 'a quadrature-phase spreading code generator for generating a quadrature pseudo-random noise spreading code;', 'a multiply module coupled to the in-phase carrier, the in-phase spreading code generator, the quadrature-phase carrier, and the quadrature-phase spreading code generator, for multiplying the digitized in-phase receive samples and the digitized quadrature-phase receive samples with a complex conjugate of the PN spreading codes generated by in-phase spreading code generator and quadrature-phase spreading code generator, and generating terms YI and YQ;', 'a Walsh generator that generates a WalshS code;', 'a modulator for modulating the receive terms YI and YQ with the WalshS code to generate modulated YI and YQ data, respectively;', 'a first summer for summing the modulated YI data over the number of Walsh symbols in the WalshS code to generate a first summed output;', 'a second summer for summing the modulated YQ data over the number of Walsh symbols in the WalshS code to generate a second summed output;', 'a first pilot filter for summing and filtering the modulated YI data to generate a first pilot filtered data; and', 'a second pilot filter for summing the modulated YQ data to generate a second pilot filtered data.
6. The receive processing system of claim 5, further comprising a multiplier that multiplies the first summed output and the second summed output with a complex conjugate of the pilot filtered data.
7. A method for processing a high-rate supplemental channel, comprising:', 'receiving RF signals;', 'downconverting the RF signals and generating digitized in-phase receive samples;', 'downconverting the RF signals and generating digitized quadrature-phase receive samples;', 'generating an in-phase pseudo-random noise (PN) spreading code;', 'generating a quadrature-phase pseudo-random noise spreading code;', 'multiplying the digitized in-phase receive samples and the digitized quadrature-phase receive samples with a complex conjugate of the PN spreading codes, thereby yielding receive terms YI and YQ;', 'generating a WalshS code;', 'modulating the receive terms YI and YQ with the WalshS code to generate modulated YI and YQ data, respectively;', 'summing the modulated YI data over the number of Walsh symbols in the WalshS code to generate a first summed output;', 'summing the modulated YQ data over the number of Walsh symbols in the WalshS code to generate a second summed output;', 'summing and filtering the modulated YI data to generate a first pilot filtered data; and', 'summing the modulated YQ data to generate a second pilot filtered data.
8. The method of claim 7 further comprising multiplying the first summed output and the second summed output with a complex conjugate of the pilot filtered data.']
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SUMMARY
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.