| 总结: | This paper highlight the performance of BPSK and 8-PSK in Code Division Multiple Access (CDMA) environment by using Cyclic Codes as the Forward Error Correction (FEC). This model consists of transmission medium, transmitter and receiver. Cyclic codes is use to encode and decode the digital signal of the two channels before modulation and after demodulation process. The main objective is to compare and identify which modulation is better by analyzing the performance of both channels in CDMA environment. The performance of the modulation is analyzed in term of bit error rate (BER) and energy bit to noise density (Eb/No). This paper provides analysis, evaluation and computer simulations in MATLAB.
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