PM803F 3BDH000530R1 | ABB | Used for transmitting sideband information

Description

PM803F 3BDH000530R1 | ABB | Used for transmitting sideband information

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It can be seen that the improved scheme proposed in this article has poorer PAPR performance than the improved scheme a, but when the value of C is relatively small, PAPR performance is better than the original SLM method; Under the same value of C, the proposed improvement scheme PAPR performs better than the improved scheme b.

Figure 5 shows a comparison of the bit error rate performance between SLM improvement schemes a, b, and the improvement scheme proposed in this paper. PM803F 3BDH000530R1 has a nonlinear amplifier input backoff of 6 dB, and ideally, the receiving end receives the sideband information completely correctly. It can be seen that the error rate performance of the improved scheme b and the proposed improvement scheme in this article is better than that of the improved scheme a, and the larger the signal-to-noise ratio, the closer the error rate performance is to the ideal state. Under the same value of C, the error rate performance of the improved SLM scheme proposed in this paper is almost the same as that of the improved scheme b.

The SLM method for reducing the PAPR of OFDM systems has high computational complexity, and PM803F 3BDH000530R1 requires additional bandwidth for transmitting sideband information, which reduces transmission efficiency. In response to these shortcomings, the improved SLM scheme proposed in this article can reduce computational complexity and does not require the transmission of sideband information.

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