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- W2367107710 abstract "Based on the multi-section Nakagami distribution statistical channel model of mine tunnel for wideband radio wave,the bit error rate(BER) performance of Orthogonal Frequency Division Multiplexing(OFDM) modulation at 2.4 GHz and 5.8 GHz in mine tunnel was investigated.According to the different root-mean-square(RMS) time delay of wideband radio wave along empty-straight or embranchment mine tunnel,the main parameters of OFDM modulation at 2.4 GHz and 5.8 GHz are designed.At the same signal-noise-radio(SNR),original data rate and wireless channel,the BER performance of OFDM at 5.8 GHz is better than that at 2.4 GHz for both empty-straight and embranchment mine tunnel.The OFDM modulation in mine tunnel shows good ability to resist impulse interference at both 2.4 GHz and 5.8 GHz.Doppler frequency offset has serious effect on the BER performance of OFDM modulation in mine tunnel.It affects the BER performance at 5.8 GHz more severe than that at 2.4 GHz.In the case of Doppler frequency offset,when the SNR is larger than 20 dB,the continuous increase of SNR can not improve the BER performance of the system significantly." @default.
- W2367107710 created "2016-06-24" @default.
- W2367107710 creator A5015788956 @default.
- W2367107710 date "2009-01-01" @default.
- W2367107710 modified "2023-09-25" @default.
- W2367107710 title "Simulation Analysis of OFDM Modulation in Mine Tunnels" @default.
- W2367107710 hasPublicationYear "2009" @default.
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