Data processing method, data transmission method, data reception method, apparatus, codebook, computer program product, computer program distribution medium

US 20080013644A1
Filed: 07/14/2006
Published: 01/17/2008
Est. Priority Date: 07/14/2006
Status: Active Grant

First Claim

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1. A data processing method comprising:

selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;

$[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ and informing the selected at least one codebook and weight to a transmitter for being used in transmission.

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Abstract

The invention is related to a data processing method comprising: selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form:

$[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} \end{matrix} \begin{matrix} \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$

and informing the selected at least one codebook and weight to a transmitter for being used in transmission.

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30 Claims

1. A data processing method comprising:
- selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ and informing the selected at least one codebook and weight to a transmitter for being used in transmission.

2. A data transmission method comprising:
- receiving information on at least one codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ andapplying the at least one weight in signal pre-coding for transmission or reception.

3. A data transmission method comprising:
- selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ informing the selected at least one codebook and weight to a receiver for being used in reception; and
  
  applying the at least one weight in signal pre-coding for transmission.

4. A data reception method comprising:
- receiving information on at least one codebook and at least one weight in the codebook used in signal pre-coding in transmission, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ andusing for reception the at least one weight used in signal pre-coding in transmission.

5. An apparatus configured to:
- select from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ andinform the selected at least one codebook and weight to a transmitter for being used in transmission.
- View Dependent Claims (6)
- - 6. The apparatus of claim 5, wherein the apparatus is a receiver.

7. An apparatus configured to:
- receive information on at least one codebook and at least one weight in the codebook used in signal pre-coding in transmission, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ anduse for reception the at least one weight used in signal pre-coding in transmission.
- View Dependent Claims (8)
- - 8. The apparatus of claim 7, wherein the apparatus is a receiver.

9. An apparatus configured to:
- receive information on at least one codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ andapply the at least one weight in signal pre-coding for transmission.
- View Dependent Claims (10)
- - 10. The apparatus of claim 9, wherein the apparatus is a transmitter.

11. An apparatus configured to:
- select from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ inform the selected at least one codebook and weight to a receiver for being used in reception; and
  
  apply the at least one weight in signal pre-coding for transmission.
- View Dependent Claims (12)
- - 12. The apparatus of claim 11, wherein the apparatus is a transmitter.

13. An apparatus comprising:
- means for selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ and means for informing the selected at least one codebook and weight to a transmitter for being used in transmission.
- View Dependent Claims (14)
- - 14. The apparatus of claim 13, wherein the apparatus is a receiver.

15. An apparatus comprising:
- means for receiving information on at least one codebook and at least one weight in the codebook used in signal pre-coding in transmission, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ and means for using for reception the at least one weight used in signal pre-coding in transmission.
- View Dependent Claims (16)
- - 16. The apparatus of claim 15, wherein the apparatus is a receiver.

17. An apparatus comprising:
- means for receiving information on at least one codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ and means for applying the at least one weight in signal pre-coding for transmission.
- View Dependent Claims (18)
- - 18. The apparatus of claim 17, wherein the apparatus is a transmitter.

19. An apparatus comprising:
- means for selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ means for informing the selected at least one codebook and weight to a receiver for being used in reception; and
  
  means for applying the at least one weight in signal pre-coding for transmission.
- View Dependent Claims (20)
- - 20. The apparatus of claim 19, wherein the apparatus is a transmitter.

21. A codebook, the codebook being:
- $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}] .$

22. A computer program product encoding a computer program of instructions for executing a computer process for data processing, the process comprising:
- selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}] .$

23. A computer program distribution medium readable by a computer and encoding a computer program of instructions for executing a computer process for data processing, the process comprising:
- selecting from at least one codebook a codebook and at least one weight in the codebook fulfilling a predetermined performance criterion, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}] .$
- View Dependent Claims (24)
- - 24. The computer program distribution medium of claim 23, the distribution medium including at least one of the following media:
    - a computer readable medium, a program storage medium, a record medium, a computer readable memory, a computer readable software distribution package, a computer readable signal, a computer readable telecommunications signal, and a computer readable compressed software package.

25. A computer program product encoding a computer program of instructions for executing a computer process for data transmission, the process comprising:
- searching for at least one weight for signal pre-coding for transmission from a codebook, wherein the codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ and carrying out signal pre-coding for transmission.

26. A computer program distribution medium readable by a computer and encoding a computer program of instructions for executing a computer process for data transmission, the process comprising:
- searching for at least one weight for signal pre-coding for transmission from a codebook, wherein the codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ andcarrying out signal pre-coding for transmission.
- View Dependent Claims (27)
- - 27. The computer program distribution medium of claim 26, the distribution medium including at least one of the following media:
    - a computer readable medium, a program storage medium, a record medium, a computer readable memory, a computer readable software distribution package, a computer readable signal, a computer readable telecommunications signal, and a computer readable compressed software package.

28. A computer program product encoding a computer program of instructions for executing a computer process for data processing, the process comprising:
- receiving information on at least one codebook and at least one weight in the codebook used in signal pre-coding in transmission, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ and using for reception the at least one weight used in signal pre-coding in transmission.

29. A computer program distribution medium readable by a computer and encoding a computer program of instructions for executing a computer process for data transmission, the process comprising:
- receiving information on at least one codebook and at least one weight in the codebook used in signal pre-coding in transmission, wherein one of the at least one codebook is of the form;
  
  $[\begin{matrix} 1 & 0 & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} & \sqrt{0.5} \\ 0 & 1 & \sqrt{0.5} e^{j 0} & \sqrt{0.5} e^{j \frac{π}{3}} & \sqrt{0.5} e^{j \frac{2 π}{3}} & \sqrt{0.5} e^{j π} & \sqrt{0.5} e^{j \frac{4 π}{3}} & \sqrt{0.5} e^{j \frac{5 π}{3}} \end{matrix}];$ and using for reception the at least one weight used in signal pre-coding in transmission.
- View Dependent Claims (30)
- - 30. The computer program distribution medium of claim 29, the distribution medium including at least one of the following media:
    - a computer readable medium, a program storage medium, a record medium, a computer readable memory, a computer readable software distribution package, a computer readable signal, a computer readable telecommunications signal, and a computer readable compressed software package.

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Current Assignee
Nokia Technologies Oy (Nokia Corporation)
Original Assignee
Nokia Corporation
Inventors
Hugl, Klaus, Tirkkonen, Olav, Teng, Yong

Granted Patent

US 8,396,158 B2
Time in Patent Office

Days
Field of Search
US Class Current

375/295
CPC Class Codes

H04B 7/0617   for beam forming

H04L 1/06   using space diversity

H04L 2025/03426   transmission using multiple...

H04L 2025/03802   Signalling on the reverse c...

H04L 25/03343   Arrangements at the transmi...

H04L 5/0023   Time-frequency-space

Data processing method, data transmission method, data reception method, apparatus, codebook, computer program product, computer program distribution medium

First Claim

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Abstract

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30 Claims

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Data processing method, data transmission method, data reception method, apparatus, codebook, computer program product, computer program distribution medium

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Abstract

73 Citations

30 Claims

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