METHOD FOR PERFORMING VIRTUAL MULTIPLE ANTENNA TRANSMISSION IN UPLINK USING FEEDBACK INFORMATION AND MOBILE TERMINAL SUPPORTING THE SAME
First Claim
1. A method for performing virtual multiple antenna transmission using feedback information in a closed-loop multiple antenna system, the method comprising:
- receiving virtual multiple antenna control information fed back from a receiving end that has determined the virtual multiple antenna control information taking into consideration a communication condition of a transmitting end; and
performing virtual multiple antenna transmission in uplink using the virtual multiple antenna control information.
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Accused Products
Abstract
A method and apparatus for performing virtual multiple antenna transmission using feedback information in a closed-loop multiple antenna system is provided. Virtual multiple antenna control information is fed back from a receiving end that has determined the virtual multiple antenna control information taking into consideration a communication condition of a transmitting end. Virtual multiple antenna transmission is performed in uplink using the feedback information. The transmitting end may also primarily determine at least part of the virtual antenna control information and transmit the determined information to the receiving end. This method allows adaptive virtual multiple antenna transmission suitable for a channel condition in closed-loop uplink, thereby improving the communication performance.
86 Citations
18 Claims
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1. A method for performing virtual multiple antenna transmission using feedback information in a closed-loop multiple antenna system, the method comprising:
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receiving virtual multiple antenna control information fed back from a receiving end that has determined the virtual multiple antenna control information taking into consideration a communication condition of a transmitting end; and performing virtual multiple antenna transmission in uplink using the virtual multiple antenna control information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for performing virtual multiple antenna transmission using feedback information in a closed-loop multiple antenna system, the method comprising:
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transmitting feedforward information, including all or part of virtual antenna control information determined at a transmitting end, to a receiving end; receiving virtual multiple antenna control information fed back from the receiving end that has determined the virtual multiple antenna control information taking into consideration a communication condition of the transmitting end and the feedforward information; and performing virtual multiple antenna transmission in uplink using the fed-back virtual multiple antenna control information. - View Dependent Claims (12, 13)
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14. An apparatus for performing virtual multiple antenna transmission using feedback information in a closed-loop multiple antenna system, the apparatus comprising:
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a receiving circuitry that receives virtual multiple antenna control information fed back from a receiving end that has determined the virtual multiple antenna control information taking into consideration a communication condition of a transmitting end; a memory that stores the fed-back virtual multiple antenna control information; and a controller that performs virtual multiple antenna transmission in uplink using the virtual multiple antenna control information in the memory. - View Dependent Claims (15, 16, 17, 18)
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Specification