Claims
- 1. A circuit capable of performing complex division and dual complex multiplications, the circuit comprising:
a plurality of multipliers, each of the plurality of multipliers is used in both the complex division and the dual complex multiplications.
- 2. The circuit of claim 1 further comprising a plurality of components capable of both adding and subtracting, each adding and subtracting component is used during the complex division and the dual complex multiplications.
- 3. The circuit of claim 2 wherein each of the adding and subtracting components switches between operation as an adder and a subtractor between performing the complex division and the dual complex multiplications.
- 4. A user equipment comprising:
a channel estimation device having an input configured to received samples of a signal including a plurality of communications and for producing channel estimates for the communications using a fast Fourier transform based approach, the channel estimation device utilizing circuit capable of performing complex division and dual complex multiplications in the fast Fourier based approach, the circuit comprising:
a plurality of multipliers, each of the plurality of multipliers is used in both the complex division and the dual complex multiplications.
- 5. The user equipment of claim 4 wherein the circuit further comprising a plurality of components capable of both adding and subtracting, each adding and subtracting component is used during the complex division and the dual complex multiplications.
- 6. The user equipment of claim 5 wherein each of the adding and subtracting components switches between operation as an adder and a subtractor between performing the complex division and the dual complex multiplications.
- 7. A base station comprising:
a channel estimation device having an input configured to received samples of a signal including a plurality of communications and for producing channel estimates for the communications using a fast Fourier transform based approach, the channel estimation device utilizing circuit capable of performing complex division and dual complex multiplications in the fast Fourier based approach, the circuit comprising:
a plurality of multipliers, each of the plurality of multipliers is used in both the complex division and the dual complex multiplications.
- 8. The base station of claim 7 wherein the circuit further comprising a plurality of components capable of both adding and subtracting, each adding and subtracting component is used during the complex division and the dual complex multiplications.
- 9. The base station of claim 8 wherein each of the adding and subtracting components switches between operation as an adder and a subtractor between performing the complex division and the dual complex multiplications.
- 10. A user equipment comprising:
a data detection device having an input configured to received samples of a signal including a plurality of communications, a code vector and channel estimates of the communications, the data detection device for estimating data of the communications using a fast Fourier transform based approach, the data detection device utilizing a circuit capable of performing complex division and dual complex multiplications in the fast Fourier based approach, the circuit comprising:
a plurality of multipliers, each of the plurality of multipliers is used in both the complex division and the dual complex multiplications.
- 11. The user equipment of claim 10 wherein the circuit further comprising a plurality of components capable of both adding and subtracting, each adding and subtracting component is used during the complex division and the dual complex multiplications.
- 12. The user equipment of claim 11 wherein each of the adding and subtracting components switches between operation as an adder and a subtractor between performing the complex division and the dual complex multiplications.
- 13. A base station comprising:
a data detection device having an input configured to received samples of a signal including a plurality of communications, a code vector and channel estimates of the communications, the data detection device for estimating data of the communications using a fast Fourier transform based approach, the data detection device utilizing a circuit capable of performing complex division and dual complex multiplications in the fast Fourier based approach, the circuit comprising:
a plurality of multipliers, each of the plurality of multipliers is used in both the complex division and the dual complex multiplications.
- 14. The base station of claim 13 wherein the circuit further comprising a plurality of components capable of both adding and subtracting, each adding and subtracting component is used during the complex division and the dual complex multiplications.
- 15. The base station of claim 14 wherein each of the adding and subtracting components switches between operation as an adder and a subtractor between performing the complex division and the dual complex multiplications.
Parent Case Info
[0001] This application claims priority to U.S. Provisional Patent Application No. 60/383,686, filed May 28, 2002, which is incorporated by reference as if fully set forth.
Provisional Applications (1)
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Number |
Date |
Country |
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60383686 |
May 2002 |
US |