Abstract
The present invention describes a spread spectrum communication system wherein the frequency of carriers and the code channels of the carriers or both for transmission to a given remote station user vary in time. This provides for a direct sequence spectrum communications system which changes frequency or code channel according to a predetermined pattern. The code channels and frequencies can be determined in accordance with a deterministic function or based upon a subset of the data to be transmitted. A receiver structure is also described for receiving the same.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 04/12/2008 | ISLD-200812-013 | QUALCOMM INC |
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Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Broadcast/Multicast
Product
Use Cases
Wireless communication
Services
Claim
1. An apparatus for transmitting spread spectrum data, comprising:
a modulation means for receiving data and for modulating the received data in accordance with a spread spectrum modulation format;
a scrambling means for scrambling a subset of information bits in the modulated data; and
an upconversion means for receiving the modulated data and for upconverting the modulated data for transmission at a random frequency determined in accordance with a selection signal, wherein the selection signal is determined in accordance with the scrambled subset of information bits.', 'a modulation means for receiving data and for modulating the received data in accordance with a spread spectrum modulation format;', 'a scrambling means for scrambling a subset of information bits in the modulated data; and', 'an upconversion means for receiving the modulated data and for upconverting the modulated data for transmission at a random frequency determined in accordance with a selection signal, wherein the selection signal is determined in accordance with the scrambled subset of information bits.
2. An apparatus for transmitting spread spectrum data, comprising:
a modulation means for receiving data and for modulating the received data in accordance with a code channel selection signal;
a scrambling means for scrambling a subset of information bits of the modulated data; and
an upconversion means for receiving the modulated data and for upconverting the modulated data for transmission at a frequency determined in accordance with a selection signal, wherein the selection signal is determined in accordance with the scrambled subset of information bits.', 'a modulation means for receiving data and for modulating the received data in accordance with a code channel selection signal;', 'a scrambling means for scrambling a subset of information bits of the modulated data; and', 'an upconversion means for receiving the modulated data and for upconverting the modulated data for transmission at a frequency determined in accordance with a selection signal, wherein the selection signal is determined in accordance with the scrambled subset of information bits.
3. An apparatus for transmitting spread spectrum data, comprising:
a scrambling means for scrambling a first subset of information bits and a second subset of information bits from received data;
a modulation means for modulating the received data in accordance with a code channel selection signal that is determined in accordance with the scrambled first subset of information bits; and
an upconversion means for receiving the modulated data and for upconverting the modulated data for transmission at a frequency determined in accordance with a selection signal that is determined in accordance with the scrambled second subset of information bits.', 'a scrambling means for scrambling a first subset of information bits and a second subset of information bits from received data;', 'a modulation means for modulating the received data in accordance with a code channel selection signal that is determined in accordance with the scrambled first subset of information bits; and', 'an upconversion means for receiving the modulated data and for upconverting the modulated data for transmission at a frequency determined in accordance with a selection signal that is determined in accordance with the scrambled second subset of information bits.
4. A method for transmitting data, comprising:
modulating the data;
scrambling a subset of information bits of the modulated data;
selecting a carrier frequency in accordance with the modulated, scrambled subset of information bits; and
upconverting the modulated data using the selected carrier frequency.', 'modulating the data;', 'scrambling a subset of information bits of the modulated data;', 'selecting a carrier frequency in accordance with the modulated, scrambled subset of information bits; and', 'upconverting the modulated data using the selected carrier frequency.
5. A method of transmitting data, comprising:
scrambling a subset of information bits of the data;
modulating the data in accordance with a code channel selection signal that is determined in accordance with the scrambled subset of information bits; and
upconverting the modulated data using a selected carrier frequency.', 'scrambling a subset of information bits of the data;', 'modulating the data in accordance with a code channel selection signal that is determined in accordance with the scrambled subset of information bits; and', 'upconverting the modulated data using a selected carrier frequency.
6. A computer readable medium embodying a method for transmitting data, the method comprising:
modulating the data;
scrambling a subset of information bits of the modulated data;
selecting a carrier frequency in accordance with the modulated, scrambled subset of information bits; and
upconverting the modulated data using the selected carrier frequency.', 'modulating the data;', 'scrambling a subset of information bits of the modulated data;', 'selecting a carrier frequency in accordance with the modulated, scrambled subset of information bits; and', 'upconverting the modulated data using the selected carrier frequency.
7. A computer readable medium embodying a method for transmitting data, the method comprising:
scrambling a subset of information bits of the data;
determining a code channel selection signal in accordance with the scrambled subset of information bits;
modulating the data in accordance with the determined code channel selection signal; and
upconverting the modulated data using a selected carrier frequency.', 'scrambling a subset of information bits of the data;', 'determining a code channel selection signal in accordance with the scrambled subset of information bits;', 'modulating the data in accordance with the determined code channel selection signal; and', 'upconverting the modulated data using a selected carrier frequency.
8. An apparatus for transmitting spread spectrum data, comprising:
a modulator to modulate spread spectrum data having a subset of information bits;
a scrambler to receive a modulated subset of information bits from the modulator and to scramble the modulated subset of information bits to generate scrambled modulated subset of information bits; and
at least one upconverter to upconvert the scrambled modulated subset of information bits at a carrier frequency that changes in accordance with a predetermined pattern, wherein the predetermined pattern is determined based on the scrambled modulated subset of information bits.', 'a modulator to modulate spread spectrum data having a subset of information bits;', 'a scrambler to receive a modulated subset of information bits from the modulator and to scramble the modulated subset of information bits to generate scrambled modulated subset of information bits; and', 'at least one upconverter to upconvert the scrambled modulated subset of information bits at a carrier frequency that changes in accordance with a predetermined pattern, wherein the predetermined pattern is determined based on the scrambled modulated subset of information bits.
9. An apparatus for transmitting spread spectrum data, comprising:
a scrambler to scramble a subset of information bits of spread spectrum data to generate scrambled sub set of information bits;
a control processor to receive the scrambled subset of information bits and to output a code channel selection signal that is determined in accordance with the scrambled subset of information bits; and
a modulator to modulate the spread spectrum data in accordance with the code channel selection signal.', 'a scrambler to scramble a subset of information bits of spread spectrum data to generate scrambled sub set of information bits;', 'a control processor to receive the scrambled subset of information bits and to output a code channel selection signal that is determined in accordance with the scrambled subset of information bits; and', 'a modulator to modulate the spread spectrum data in accordance with the code channel selection signal.', '10. A method for transmitting data, comprising:
modulating the data;
scrambling a subset of information bits of the modulated data;
upconverting a carrier frequency that changes in accordance with a predetermined pattern, wherein the predetermined pattern is determined by the scrambled modulated subset of information bits.', 'modulating the data;', 'scrambling a subset of information bits of the modulated data;', 'upconverting a carrier frequency that changes in accordance with a predetermined pattern, wherein the predetermined pattern is determined by the scrambled modulated subset of information bits.', '11. A transmitter, comprising:
means for scrambling a subset of information bits of data to generate scrambled subset of information bits;
means for receiving the scrambled subset of information bits and outputting a selection signal that is determined in accordance with the scrambled subset of information bits; and
means for modulating the data in accordance with the selection signal.', 'means for scrambling a subset of information bits of data to generate scrambled subset of information bits;', 'means for receiving the scrambled subset of information bits and outputting a selection signal that is determined in accordance with the scrambled subset of information bits; and', 'means for modulating the data in accordance with the selection signal.']
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
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.