Abstract
According to the present invention a transmitter and a transmitting method for communicating data symbols over a communication channel for example according to the CDMA system is presented. The transmitter ( 24 25 ) comprises means ( 9) for spreading each data symbol with a respective spreading code wherein the spreading codes are mutually orthogonal. Means ( 10) for scrambling are provided to scramble each spread symbol with a respective scrambling code the scrambling codes respectively having the same length as the spreading codes. Furthermore means ( 11) for the transmission of the spread and scrambled symbols are provided. According to the present invention the means ( 10) for scrambling are provided with a plurality of different scrambling codes which can be used simultaneously within the same link.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Family Member | ||||
| Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | 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 | |||||||
| EP0957604A1 | 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Basis Patent | ||||
| EP0957604A1 | Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Basis Patent | ||||
| EP0957604B1 | 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Basis Patent | ||||
| EP0957604B1 | Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Basis Patent | ||||
| JP2000031939A | 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Family Member | ||||
| JP2000031939A | Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Family Member | ||||
| USRE41025E | 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Family Member | ||||
| USRE41025E | Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | Yes | Family Member | ||||
| DE69832589T2 | 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | No | Family Member | ||||
| DE69832589T2 | Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | No | Family Member | ||||
| USRE46327E | 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | No | Family Member | ||||
| USRE46327E | Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | No | Family Member | ||||
| USRE46477E | 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | No | Family Member | ||||
| USRE46477E | Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | No | Family Member | ||||
| USRE46541E | 3G | 19/02/2009 | ISLD-200902-009 | SONY CORP | No | Family Member | ||||
| USRE46541E | Not Available | 19/02/2009 | ISLD-200902-009 | SONY CORP | No | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
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Technologies
Multiple access
Product
Use Cases
Wireless communication
Services
Claim
1. Transmitter for communicating data symbols over a communication channel, the transmitter comprising:', 'means for spreading each data symbol with a respective spreading code, wherein the spreading codes are mutually orthogonal,', 'means for scrambling each spread symbol with a respective scrambling code, the scrambling codes respectively having the same length as the spreading codes, and', 'means for transmitting said spread and scrambled symbols,', 'wherein the means for scrambling are provided with a plurality of different scrambling codes which can be used simultaneously within the same link.
2. Transmitter according to claim 1, characterized in that the means for scrambling can use different scrambling codes for an uplink communication channel and a downlink communication channel, respectively.
3. Transmitter according claim 1, characterized in that the spreading codes are obtained by means of a code tree.
4. Transmitter according to claim 1, characterized in that only in a downlink communication channel different scrambling codes are used, wherein in an uplink channel only one scrambling code is used.
5. Transmitter according to claim 1, characterized in that the means for scrambling use different scrambling codes within the same link only for channels demanding a high bit rate.
6. Transmitter according to claim 5, characterized in that the means for scrambling use different scrambling codes within the same link only video channels.
7. Wireless transmission system, comprising:', 'means for spreading each data symbol with a respective spreading code, wherein the spreading codes are mutually orthogonal,', 'means for scrambling each spread symbol with a respective scrambling code, the scrambling codes respectively having the same length as the spreading codes, and', 'means for transmitting said spread and scrambled symbols,', 'wherein the means for scrambling are provided with a plurality of different scrambling codes which can be used simultaneously within the same link, and', 'wherein a subset of scrambling codes is respectively allocated to a cell of the transmission system.
8. Wireless transmission system according to claim 7, characterized in that different spreading codes are allocated to adjacent cells of the transmission system.
9. Method for the transmission of data symbols over a communication channel, comprising the following steps:', 'spreading each data symbol with a respective spreading code, wherein the spreading codes are mutually orthogonal,', 'scrambling each spread symbol with a respective scrambling code, the scrambling codes respectively having the same length as the spreading codes, and', 'transmitting said spread and scrambled symbols,', 'wherein the scrambling step provides a plurality of different scrambling codes which can be used simultaneously within the same link
10. Method according to claim 9, characterized in that in the step of scrambling different scrambling codes can be used for an uplink communication channel and a downlink communication channel, respectively
11. Method according to claim 9, characterized in that the spreading codes are obtained by means of a code tree
12. Method according to claim 9, characterized in that only in a downlink communication channel different scrambling codes are used, wherein in an uplink channel only one scrambling code is used
13. Method according to claim 9, characterized in that different scrambling codes within the same link are used only for channels demanding a high bit rate
14. Method according to claim 13, characterized in that different scrambling codes within the same link are used only for video channels.']
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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.