High data rate CDMA wireless communication system

Abstract

A novel and improved method and apparatus for high rate CDMA wireless communication is described. A set of individually gain adjusted subscriber channels are formed via the use of a set of orthogonal subchannel codes. The set of sub-channel codes are comprised of four Walsh codes. The pilot data and control data are combined onto one channel. The remaining two transmit channels are used for transmitting non-specified digital data including user data or signaling data or both.

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
Not Available	18/10/2001	ISLD-200111-002	QUALCOMM INC	S1 TS Number: Not Available Version No: Illustrative part: ---- Release: + -	No	Family Member
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Not Available	12/06/2006	ISLD-200612-006	QUALCOMM INC	S1 TS Number: Not Available Version No: Illustrative part: ---- Release: + -	Yes	Basis Patent
Not Available	30/06/2008	ISLD-200810-017	QUALCOMM INC	S1 TS Number: Not Available Version No: Illustrative part: ---- Release: + -	Yes	Family Member
4G	02/03/2010	ISLD-201004-005	QUALCOMM INC	S1 TS Number: TS 136 212 Version No: Illustrative part: ---- Release: + -	No	Family Member
Not Available	02/03/2010	ISLD-201004-005	QUALCOMM INC	S1 TS Number: TS 136 212 Version No: Illustrative part: ---- Release: + -	No	Family Member

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Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
AU752866B2	Not Available	12/06/2006	ISLD-200612-006	QUALCOMM INC	S1 TS Number: Not Available Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Technologies

Resource configuration

Product

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Use Cases

Wireless communication

Services

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Claim

1. A method for generating modulated data for transmission from a first subscriber unit in a set of subscriber units to a base station in communication with the set of subscriber units comprising the steps of:', 'generating a pilot signal;', 'combining said pilot signal with a control signal to produce a first channel data;', 'spreading a first data with a first code, said first code being orthogonal to said pilot signal, to produce second channel data;', 'modulating said first channel data and said second channel data in accordance with a single channel modulation format.

2. The method of claim 1 wherein said channel modulation format comprises complex pseudoniose spreading.

4. The method of claim 1 further comprising the steps of:', 'adjusting a gain of said first channel by a first amount; and', 'adjusting a gain of said second channel by a second amount.

5. The method of claim 1 further comprising the steps of:', 'spreading a second data with a second code, said second code being orthogonal to said pilot signal and said first code; and', 'combining said spread second data with said spread first data to produce second channel data;', 'wherein said steps precede the step of modulating said first channel data and said second channel data.

6. The method of claim 3 further comprising the steps of:', 'adjusting a gain of said first channel by a first amount; and', 'adjusting a gain of said second channel by a second amount.

7. A remote station comprising:', 'multiplexer for receiving pilot symbols and control symbols and for multiplexing said pilot symbols and control symbols in accordance with a predetermined multiplexing format to provide a multiplexed pilot and control symbol signal;', 'a first channel modulator for receiving information data and for modulating said information data in accordance with a first spreading code to provide a fundamental channel signal; and', 'complex spreader for receiving said multiplexed pilot and control symbol signal and said fundamental channel signal and for spreading said multiplexed pilot and control symbol signal and said fundamental channel signal in accordance with at least two pseudonoise sequences.

8. The remote station of claim 7 wherein said first channel is a fundamental channel.

9. The remote station of claim 7 wherein said complex pseudonoise spreader performs said spreading in accordance with two short pseudonoise sequences and a long code sequence

10. The remote station of claim 7 further comprising:', 'a secondly channel modulator for receiving a second information data and for modulating said second information data in accordance with a second spreading code to provide a supplemental channel signal; and', 'wherein said complex pseudonoise spreader is further for spreading said supplemental channel signal in accordance with said at least two pseudonoise sequences

11. The remote station of claim 10 wherein said second channel is a supplemental channel

12. The remote station of claim 7 further comprising a QPSK transmitter for receiving the output streams of said complex pseudonoise spreader and for modulating said output streams in accordance with a QPSK modulation format

13. A method for demodulating data at a base station, comprising the steps of:', 'despreading received signal in accordance with at least two pseudonoise sequences to provide a pseudonoise despread signal;', 'demultiplexing pilot symbols from said pseudonoise despread signal; and', 'demodulating a first channel from said pseudonoise despread signal in accordance with said pilot symbols and a first despreading code

14. The method of claim 13 wherein said first channel is a fundamental channel

15. The method of claim 13 wherein the step of despreading is performed in accordance with two short pseudonoise sequences and a long code sequence

16. The method of claim 13 further comprising the step of:', 'demodulating a second channel from said pseudonoise despread signal in accordance with said pilot symbols and a second despreading code

17. The method of claim 16 wherein said second channel is a supplemental channel

18. The method of claim 11 further comprising the step of:', 'receiving a signal by a QPSK receiver; and', 'demodulating said received signal in accordance with a QPSK modulation format;', 'wherein said steps precede the step of despreading received signal in accordance with at least two pseudonoise sequences

19. A base station comprising:', 'complex pseudonoise despreader for despreading received signal in accordance with at least two pseudonoise sequences to provide a pseudonoise despread signal;', 'demultiplexer for selectively removing pilot symbols from said pseudonoise despread signal;', 'a first channel demodulator for receiving said pseudonoise despread signal and for demodulating said pseudonoise despread signal in accordance with said pilot symbols and a first despreading code.

20. The base station of claim 19 wherein said first channel is a fundamental channel.

21. The base station of claim 19 wherein said complex pseudonoise despreader performs said despreading in accordance with two short pseudonoise sequences and a long code sequence.

22. The base station of claim 19 further comprising:', 'a second channel demodulator for receiving said pseudonoise despread signal and for demodulating said pseudonoise despread signal in accordance with said pilot symbols and a second despreading code.

23. The base station of claim 22 wherein said second channel is a supplemental channel.

24. The base station of claim 19 further comprising a QPSK receiver for demodulating a received signal in accordance with a QPSK demodulation format and for providing the results of said QPSK demodulation to said complex pseudonoise despreader.

25. The method of claim 1 wherein the control signal comprises power control data.

26.The method of claim 1 wherein the control signal comprises power control data and wherein said combining comprises puncturing said power control signal into said pilot data.']

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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.