GE DS200AAHAG1ADC

Description

GE DS200AAHAG1ADC

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At present, the methods for reducing the PAPR of OFDM systems can be divided into three categories: amplitude limiting, encoding, and probability [2]. The methods proposed in references [3] to [5] belong to the limiting class, encoding class, and probability class, respectively. The Selective Mapping (SLM) method can effectively reduce the PAPR of OFDM systems, but it has high computational complexity and requires additional bandwidth to transmit sideband information, thereby reducing transmission efficiency. At present, the improvement work on DS200AAHAG1ADC mainly focuses on the two shortcomings of SLM method mentioned above. For example, the improvement schemes proposed in references [6] and [7] can reduce computational complexity, while the improvement schemes proposed in references [8] and [9] can eliminate the need for transmitting sideband information. However, there is no improvement scheme that can simultaneously solve these two shortcomings. This article analyzes the principle of SLM and combines the schemes proposed in references [7] and [9] to propose a new SLM scheme, which not only reduces computational complexity but also does not require the transmission of sideband information.

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