Abstract
A method for reducing interference in a direct sequence, CDMA receiver, the method comprising the steps of: a) despreading a received spread spectrum signal for each of a plurality of CDMA channels to produce a first estimate for each channel; b) for each channel, spreading the estimate obtained from the prior step for all of the other channels to produce spread other channel signals and subtracting the spread other channel signals from the received signal and despreading the subtracted result to produce a next estimate for that channel; c) repeating step b) a selected number of times; and d) combining the estimates for each channel produced by steps a), b) and c) to output a channel signal for each channel.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC | No | Family Member | ||||
| 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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| All Pending Patents In Patent Family : | ---- |
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| WO9603819A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
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No | Family Member | |||
| WO9603819A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| WO9603819A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
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| US5719852A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
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Yes | Basis Patent | |||
| US5719852A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
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No | Family Member | |||
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Yes | Basis Patent | |||
| US6014373A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
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| FI20050232A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1030697A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| HK1030697A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| HK1030697A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| HK1030697A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1030697A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1050965A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| HK1050965A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| HK1050965A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| HK1050965A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1050965A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1050966A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| HK1050966A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| HK1050966A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| HK1050966A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1050966A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1050967A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| HK1050967A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| HK1050967A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| HK1050967A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1050967A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1065190A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| HK1065190A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1065190A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| JP3153894B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| JP3153894B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| JP3153894B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| JPH10504429A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| JPH10504429A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| JPH10504429A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| JP2001053721A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| JP2001053721A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| JP2001053721A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| JP2001053721A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| JP2001053721A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| JP3377983B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| JP3377983B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| JP3377983B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| JP3377983B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| JP3377983B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| MX9700522A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| MX9700522A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| MX9700522A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| MX9700522A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| MX9700522A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| NZ290723A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
Yes | Basis Patent | |||
| NZ290723A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| NZ290723A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| NZ290723A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| NZ314383A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
Yes | Basis Patent | |||
| NZ314383A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| NZ314383A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| NZ314383A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE521137C2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE521137C2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE521137C2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE9700184L | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE9700184L | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE9700184L | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE0302105L | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE0302105L | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| SE0302105L | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| SE0302105L | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE0302105L | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE527579C2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE527579C2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| SE527579C2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| SE527579C2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE527579C2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE528965C2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE528965C2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE528965C2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE0700241L | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE0700241L | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE0700241L | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE532857C2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE532857C2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE532857C2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE0702343L | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE0702343L | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE0702343L | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE532856C2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| SE532856C2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| SE532856C2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US5553062A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
Yes | Basis Patent | |||
| US5553062A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US5553062A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US5553062A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US6259688B1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US6259688B1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US6259688B1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US6259688B1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US6259688B1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2001019548A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2001019548A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2001019548A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2001019548A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2001019548A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US6868076B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US6868076B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US6868076B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US6868076B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US6868076B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002172171A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2002172171A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002172171A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002172171A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002172171A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7164668B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US7164668B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7164668B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7164668B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7164668B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002172172A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2002172172A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002172172A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002172172A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002172172A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7161919B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US7161919B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7161919B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7161919B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7161919B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002172173A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2002172173A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002172173A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002172173A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002172173A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7167464B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US7167464B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7167464B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7167464B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7167464B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002167925A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2002167925A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002167925A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002167925A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002167925A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7167462B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US7167462B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7167462B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7167462B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7167462B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2003002463A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2003002463A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2003002463A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2003002463A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2003002463A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US6876665B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US6876665B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US6876665B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US6876665B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US6876665B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002191571A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2002191571A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002191571A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002191571A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002191571A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US6868078B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US6868078B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US6868078B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US6868078B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US6868078B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002196757A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2002196757A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002196757A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2002196757A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2002196757A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7230938B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US7230938B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7230938B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US7230938B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7230938B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2005157743A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2005157743A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2005157743A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7027423B2 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US7027423B2 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US7027423B2 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2007258412A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| US2007258412A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| US2007258412A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1066657A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| HK1066657A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1066657A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1066945A1 | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| HK1066945A1 | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| HK1066945A1 | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| BR9508348A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| BR9508348A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| BR9508348A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| CN1097368C | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| CN1097368C | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| CN1097368C | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| CN1154770A | Not Available | 09/04/2001 | ISLD-200105-001 | INTERDIGITAL INC |
S1
|
No | Family Member | |||
| CN1154770A | 3G | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
| CN1154770A | Not Available | 07/04/2004 | ISLD-200407-004 | INTERDIGITAL INC | No | Family Member | ||||
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Multiple access
Product
Use Cases
Services
Claim
1. Verfahren zum Empfangen von Spreizspektrum-Kanalsignalen innerhalb eines
Spreizspektrum-Signals, wobei das Verfahren die Schritte aufweist:', 'a) Entspreizen eines empfangenen Spreizspektrum-Signals für jeden einer
Vielzahl von CDMA-Kanälen, um eine erste Abschätzung für jeden Kanal zu erzeugen;', 'b) für jeden Kanal, spreizen der von dem vorangegangen Schritt erhaltenen
Abschätzung für all die anderen Kanäle um gespreizte andere Kanalsignale zu erzeugen und subtrahieren der gespreizten anderen Kanalsignale von dem
empfangenen Signal und Entspreizen des subtrahierten Ergebnisses, um eine nächste Abschätzung für diesen Kanal zu erzeugen;', 'c) Wiederholen des Schrittes b) eine ausgewählte Anzahl mal; und', 'd) Benutzen der Abschätzungen für jeden Kanal, die durch die Schritte a), b) und
c) erzeugt wurden, um ein Kanalsignal für jeden Kanal auszugeben.
2. Verfahren gemäÃx9f Anspruch 1, wobei der Schritt d) des weiteren für jeden Kanal
aufweist, Summieren der durch die Schritte a), b) und c) erzeugten Abschätzungen
für den Kanal um das Kanalsignal auszugeben.
3. Verfahren gemäÃx9f Anspruch 2, dadurch gekennzeichnet, daÃx9f der Schritt d) des
weiteren für jeden Kanal aufweist, Multiplizieren jeder durch die Schritte a), b) und
c) erzeugten Abschätzung für den Kanal mit einem Faktor vor der Summierung.
4. Verfahren gemäÃx9f Anspruch 3, dadurch gekennzeichnet, daÃx9f für jeden Kanal, jede
nächste Abschätzung mit dem Faktor multipliziert wird, der einen Wert aufweist, der halb des Wertes des Faktors für die Abschätzung, die vor der nächsten
Abschätzung des Kanals erzeugt wird, ist.', '-2-', 'DE/EP 1 033 840 TI"
5. Verfahren gemäÃx9f Anspruch 1, dadurch gekennzeichnet, daÃx9f der Schritt d) für jeden
Kanal aufweist, Durchschnittsbilden der Abschätzungen, welche durch die Schritte
a), b) und c) für den Kanal erzeugt wurden, um das Kanalsignal auszugeben.
6. Verfahren nach irgend einem der Ansprüche 1-5 dadurch gekennzeichnet, daÃx9f
jede nächste Abschätzung für jeden Kanal hinsichtlich der vor der nächsten Abschätzung für den Kanal erzeugten Abschätzung verzögert ist.
7. Verfahren gemäÃx9f Anspruch 5, dadurch gekennzeichnet, daÃx9f jede nächste
Abschätzung für jeden Kanal durch eine Ein-Bit-Zeitverzögerung hinsichtlich der vorher erzeugten Abschätzung für den Kanal verzögert ist.
8. Verfahren nach irgendeinem der Ansprüche 1-7, dadurch gekennzeichnet, daÃx9f
eine Anzahl der in den Schritten a), b) und c) erzeugten Abschätzungen aus zwei Abschätzungen besteht.
9. Verfahren nach irgendeinem der Ansprüche 1-8, dadurch gekennzeichnet, daÃx9f der
Schritt a) für jeden Kanal aufweist:', 'Generieren eines Chipcodes, der dem Kanal zugeordnet ist;', 'Mischen des generierten Chipcodes mit dem empfangenen Spreizspektrumsignal,
um das empfangene Signal zu entspreizen; und', 'Integrieren eines Ergebnisses der Mischung, um die erste Abschätzung des Kanals
zu erzeugen
10. Verfahren gemäÃx9f Anspruch 9, dadurch gekennzeichnet, daÃx9f der Schritt b) für jeden
Kanal aufweist:', 'Mischen des Chipcodes des Kanals mit der Abschätzung des vorangegangenen
Schrittes des Kanals, um die vorangegangene Abschätzung des Kanals zu spreizen;
Mischen des subtrahierten Ergebnisses des Kanals mit dem Chipcode des Kanals; und', 'Integrieren des gemischten subtrahierten Ergebnisses des Kanals, um die nächste
Abschätzung des Kanals zu erzeugen.', '~3~ DE/EP 1 033 640 T111. Verfahren gemäÃx9f Anspruch 10, dadurch gekennzeichnet, daÃx9f der Schritt b) des
weiteren für jeden Kanal aufweist, Verzögern des in dem vorangegangenen Schritt benutzten Chipcodes des Kanals; wobei der verzögerte Chipcode des Kanals mit
des Kanales vorangegangenen Schrittes Abschätzung und mit dem gemischten Ergebnis des Kanals gemischt wird
12. Verfahren gemäÃx9f Anspruch 1, dadurch gekennzeichnet, daÃx9f der Schritt b) des
weiteren aufweist, Verzögern des empfangenen Signals vor dem Subtrahieren
13. Verfahren gemäÃx9f irgendeinem der Ansprüche 1-8, dadurch gekennzeichnet, daÃx9f
der Schritt a) des weiteren für jeden Kanal aufweist, Abgleichfiltern mit einer Impulsantwort, die mit einem Chipcode abgestimmt ist, der dem Kanal zugeordnet
ist, um die erste Abschätzung des Kanals zu erzeugen
14. Verfahren gemäÃx9f Anspruch 13, dadurch gekennzeichnet, daÃx9f der Schritt b) des
weiteren für jeden Kanal aufweist:', 'Generieren eines Chipcodes, der dem Kanal zugeordnet ist, teilweise basierend auf
die erste Abschätzung des Kanals;', 'Mischen des Chipcodes des Kanals mit der Abschätzung des Kanals des
vorangegangenen Schrittes, um die vorangegangene Abschätzung des Kanals zu spreizen; und', 'Abgleichfiltern mit einer Impulsantwort, die mit dem Chipcode des Kanals
abgestimmt ist, um die nächste Abschätzung des Kanals zu erzeugen
15. Verfahren gemäÃx9f Anspruch 14, dadurch gekennzeichnet, daÃx9f der Schritt b) des
weiteren für jeden Kanal aufweist, Verzögern des generierten Chipcodes des
Kanals; wobei der verzögerte Chipcode des Kanals mit der Abschätzung des vorangegangenen Schrittes des Kanals gemischt wird
16. Verfahren gemäÃx9f irgendeinem der Ansprüche 1-15, dadurch gekennzeichnet, daÃx9f
der Schritt c) des weiteren für jeden Kanal aufweist, Abtasten und Halten der nächsten Abschätzung des Kanals vor jeder Wiederholung.', 'DE/EP 1 033 840 Tl17. Verfahren gemäÃx9f Anspruch 16, dadurch gekennzeichnet, daÃx9f für jeden Kanal die
nächste Abschätzung des Kanals für die Zeit eines Bits abgetastet und gehalten wird
18. Verfahren gemäÃx9f irgendeinem der Ansprüche 1-17, dadurch gekennzeichnet, daÃx9f
Goldcodes für die Erzeugung der Spreizspektrumkanalsignale benutzt werden
19. Empfanger zum Empfangen eines Spreizspektrumkanalsignals innerhalb eines
Spreizspektrumsignals, gekennzeichnet durch:', 'Mittel (611) zum Entspreizen eines empfangenen Spreizspektrumsignals für jeden
einer Vielzahl von CDMA-Kanälen zum Erzeugen einer ersten Abschätzung von einer Reihe von Abschätzungen für jeden Kanal;
Mittel (612, 613, 614) zum Erzeugen restlicher Abschätzungen der Reihe für jeden
Kanal durch Wiederholen eine ausgewählte Anzahl mal, Spreizen einer vorangegangenen Abschätzung für all die anderen Kanäle, um gespreizte andere
Kanalsignale zu erzeugen und Subtrahieren der gespreizten anderen Kanalsignale von dem empfangenen Signal und Entspreizen des subtrahierten Ergebnisses, um
eine nächste Abschätzung für den Kanal zu erzeugen; und', 'Mittel (615, 616, 617, 618, 619, 620), welche die Reihe der Abschätzungen für
jeden Kanal zum Ausgeben eines Kanalsignals für jeden Kanal benutzen.
20. Empfänger gemäÃx9f Anspruch 19, dadurch gekennzeichnet, daÃx9f die Ausgabemittel
(615, 616, 617, 618, 619, 620) des weiteren aufweisen, Mittel (615, 616, 617, 618,
619, 620) zum Summieren, für jeden Kanal, der Reihe von Abschätzungen für den Kanal, um das Kanalsignal auszugeben.
21. Empfänger gemäÃx9f Anspruch 20, dadurch gekennzeichnet, daÃx9f die Ausgabemittel
(615, 616, 617, 618, 619, 620) des weiteren aufweisen, Mittel (615, 617, 619) zum
Multiplizieren, für jeden Kanal, der Reihe von Abschätzungen für den Kanal mit
einem Faktor vor der Summierung.
22. Empfänger gemäÃx9f Anspruch 21, dadurch gekennzeichnet, daÃx9f für j eden Kanal, j ede
nächste Abschätzung mit einem Faktor multipliziert wird, der einen Wert hat, der
halb des Wertes des Faktors für die vorangegangene Abschätzung des Kanals ist.
23. Empfänger gemäÃx9f irgendeinem der Ansprüche 19-22, dadurch gekennzeichnet,
daÃx9f die Entspreizmittel (611) ein CDMA-Detektor (611) ist und die Mittel (612,
613, 614) zum Erzeugen restlicher Abschätzungen für jede restliche Abschätzung
aller Kanäle einen Interferenzlöscher (612, 613,614) aufweisen.
24. Empfänger gemäÃx9f Anspruch 23, dadurch gekennzeichnet, daÃx9f der CDMA-Detektor', '(611) für jeden Kanal aufweist:', 'einen Chipcode-Generator (52, 62, 72) zum Generieren eines dem Kanal
zugeordneten Chipcodes;', 'einen Mischer (51, 61, 71) zum Mischen des generierten Chipcodes mit dem
empfangenen Spreizspektrumsignal; und', 'einen Integrator (54, 64, 74) zum Integrieren eines Ergebnisses der Mischung, um
die erste Abschätzung des Kanals zu erzeugen.
25. Empfänger gemäÃx9f Anspruch 24, dadurch gekennzeichnet, daÃx9f jeder
Interferenzlöscher (612, 613, 614) Eingänge aufweist, die konfiguriert sind, eine
Abschätzung für jeden Kanal zu empfangen und für jeden Kanal aufweisen:', 'einen Mischer (55, 65, 75) zum Mischen des Chipcodes des Kanals mit der
eingegebenen Abschätzung des Kanals, um den Kanal zu spreizen;', 'einen Subtrahierer (150, 250, 350, 450), welcher Eingänge aufweist, die
konfiguriert sind, um alle anderen gespreizten Kanäle zu empfangen und Subtrahieren der anderen gespreizten Kanäle von dem empfangenen gespreizten
Signal;', 'einen Mischer (147, 247, 347, 447) zum Mischen des subtrahierten Ergebnisses des
Kanals mit dem Chipcode des Kanals; und
einen Integrator (146, 246, 346, 446) zum Integrieren des gemischten subtrahierten
Ergebnisses des Kanals, um eine andere Abschätzung in der Reihe für den Kanal zu
erzeugen.', 'DE/EP 1 033 840 T1
26. Empfänger gemäÃx9f Anspruch 25, gekennzeichnet durch, für jeden Kanal, eine
Verzögerungsvorrichtung (53, 63, 73) zum Verzögern des generierten Chipcodes des Kanals; wobei der verzögerte Chipcode des Kanals mit der eingegebenen
Abschätzung des Kanals gemischt wird, um den Kanal zu spreizen.
27. Empfänger gemäÃx9f Anspruch 23, dadurch gekennzeichnet, daÃx9f der CDMA-Detektor
(611) für jeden Kanal einen Abgleichfilter (154, 164, 174), der eine Impulsantwort
abgestimmt auf den Chipcode des Kanals hat, um die erste Abschätzung des Kanals zu generieren, aufweist.
28. Empfanger gemäÃx9f Anspruch 27, dadurch gekennzeichnet, daÃx9f jeder
Interferenzlöscher (612, 613,614) für jeden Kanal aufweist:', 'einen Chipcodegenerator (52, 62, 72), der einen Eingang aufweist, welcher so
konfiguriert ist, daÃx9f er eine vorangegangene Abschätzung in der Reihe des Kanals
zum Generieren des Chipcodes des Kanals empfängt;', 'einen Mischer (55, 65, 75) aufweisend einen ersten Eingang, der so konfiguriert ist,
daÃx9f er den generierten Chipcode empfangt und einen zweiten Eingang, der so konfiguriert ist, daÃx9f er die vorangegangene Abschätzung in der Reihe des Kanals
empfangt;', 'einen Subtrahierer (150, 250, 350, 450) aufweisend Eingänge, die so konfiguriert
sind, daÃx9f sie alle anderen wiedergespreizten Kanäle empfängt und die anderen gespreizten Kanäle von dem empfangenen Signal subtrahiert; und
einen Abgleichfilter (126, 226, 326, 426) gekoppelt an den Subtrahierer, aufweisend eine Impulsantwort, welche zu dem Chipcode des Kanals abgestimmt
ist und welcher die nächste Abschätzung des Kanals ausgibt.
29. Empfanger gemäÃx9f Anspruch 28, dadurch gekennzeichnet, daÃx9f jeder
Interferenzlöscher (612, 613, 614) des weiteren für jeden Kanal aufweist, eine
Verzögerungsvorrichtung (97, 98, 99) zum Verzögern des generierten Chipcodes des Kanals, welcher mit dem zweiten Eingang des Mixers gekoppelt ist.
30. Empfanger gemäÃx9f Anspruch 23, des weiteren dadurch gekennzeichnet, daÃx9f jeder
Interferenzlöscher (6112, 613, 614) eine Vielzahl von Eingängen zum Empfangen', 'der vorangegangenen Abschätzungen aufweist und die vorangegangenen
Abschätzungen werden für die Zeit eines Bits abgetastet und gehalten, bevor sie in
den Interferenzlöscher (612,613,614) eingegeben werden.
31. Empfänger gemäÃx9f irgendeinem der Ansprüche 19-30, dadurch gekennzeichnet,
daÃx9f Goldcodes benutzt werden, um die Spreizspektrumkanalsignale zu erzeugen.']
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SUMMARY
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