METHOD AND SYSTEM FOR TRANSMITTING DOWNLINK DATA VIA A RELAY
First Claim
1. A system for transmitting downlink data via a relay comprising an evolved NodeB and a relay, whereinthe evolved NodeB is configured to determine power parameters of a terminal based on downlink transmission power from the relay to the terminal, and to inform the terminal of the power parameters;
- andthe relay is configured to transmit a signal to the terminal based on the downlink transmission power such that the signal received from the evolved NodeB and/or the relay is demodulated by the terminal based on the power parameters.
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Accused Products
Abstract
A method and system for transmitting downlink data via a relay, and a relay are provided by the present invention. The system includes an evolved node B and a relay. The evolved node B is set to determine power parameters of a terminal according to a downlink transmission power from the rely to the terminal, and to inform the terminal of the power parameters; the rely is set to perform the signal transmission to the terminal according to the downlink transmission power; the terminal demodulates the signal received from the evolved node B and/or the rely according to the power parameters. Application of the present invention enhances the transmission performance of the system, and resolves the problem of setting the transmission power for the relay node.
21 Citations
14 Claims
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1. A system for transmitting downlink data via a relay comprising an evolved NodeB and a relay, wherein
the evolved NodeB is configured to determine power parameters of a terminal based on downlink transmission power from the relay to the terminal, and to inform the terminal of the power parameters; - and
the relay is configured to transmit a signal to the terminal based on the downlink transmission power such that the signal received from the evolved NodeB and/or the relay is demodulated by the terminal based on the power parameters. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for transmitting downlink data via a relay comprising:
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determining, by an evolved NodeB, power parameters of a terminal based on downlink transmission power from the relay to the terminal, and informing the terminal of the power parameters; transmitting, by the relay, a signal to the terminal based on the downlink transmission power; and demodulating the signal received from the evolved NodeB and/or the relay based on the power parameters. - View Dependent Claims (8, 9, 10)
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11. A relay configured to transmit a signal to a terminal based on downlink transmission power;
- wherein
the signal received from an evolved NodeB and/or the relay is demodulated by the terminal based on power parameters; and the power parameters are determined by the evolved NodeB based on the downlink transmission power from the relay to the terminal, and are informed to the terminal. - View Dependent Claims (12, 13, 14)
- wherein
Specification