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Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate
Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate
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机译:用于自适应地偏置信道质量指示符以维持期望的块错误率的无线通信方法和装置
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摘要
A method and apparatus for adaptively biasing a channel quality indicator (CQI) used for setting a configuration of communication between a transmitter and a receiver in a wireless communication system. The receiver sends a CQI and positive acknowledgement (ACK)/negative acknowledgement (NACK) messages to the transmitter. The ACK/NACK messages indicate the absence or presence of error, respectively, in a transmitted data packet. The CQI is derived from the signal-to-interference ratio (SIR) and the ACK/NACK messages. The transmitter calculates the block error rate (BLER) of the transmitted data packets based upon the ACK/NACK messages sent from the receiver. The transmitter compares the BLER of the transmitted data packets to a target BLER and biases the CQI based on the comparison in order to achieve the target BLER.
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