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change the modulation in commrfsatlink

조회 수: 2 (최근 30일)
abdullah alajlan
abdullah alajlan 2017년 12월 24일
답변: Nick Choi 2017년 12월 28일
I want to change the modulation scheme in the simulink example in matlab (commrfsatlink) but the problem when I change the modulation and demodulation blocks, an error occurs in the non linearity block but I was able to solve it, but after working it says that the BER equals 0.5 which is very high, so what should I do please

답변 (1개)

Nick Choi
Nick Choi 2017년 12월 28일
The following section of the example page provides information on how some of the model's parameters can impact the performance of the model when QAM modulation is used:
There are numerous blocks that perform filtering and correction on the modulated signal so you may need to modify them once you change the modulation schema. The following documentation page provides additional information on the bit error rate and it may give you a better idea of what could be impacting the modified model's BER:

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