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Receiver system and method for soft-decision decoding of punctured convolutional codes
Receiver system and method for soft-decision decoding of punctured convolutional codes
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机译:收缩卷积码的软判决解码的接收机系统和方法
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摘要
The invention relates to a receiver system (Rx) of a wireless communication system comprising means for receiving and decoding of punctured convolutional codes and characterized by comprising a soft-decision processing unit (4) adapted to receive a number of quantized signal soft-decision values spread across a range, the range having a maximum value (+R), a minimum value (-S), and a value corresponding to the center (0) of that range; shift a number of signal soft-decision values by a shift step (D) away from said center value; and quantize the signal soft-decision values with fewer bits than the number used to quantize the received signal soft-decision values according to a determined quantization input-output relationship. It also relates to a method for soft-decision decoding of punctured convolutional codes.
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