In this paper,the Symbol Error Rate(SER)performance for Orthogonal Space-Time Block Coded(OSTBC)Orthogonal Frequency Division Multiplexing(OFDM)systems over Nakagami-m fading channels is analysed.A novel closed-form S...In this paper,the Symbol Error Rate(SER)performance for Orthogonal Space-Time Block Coded(OSTBC)Orthogonal Frequency Division Multiplexing(OFDM)systems over Nakagami-m fading channels is analysed.A novel closed-form SER expression is proposed,which incorporates the Gauss hypergeometric function and Appell hypergeometric function into the conventional Probability Density Function(PDF)approach.The proposed exact closed-form SER expression is a generalised solution since it perfectly captures OSTBCOFDM systems’performances when having different antenna configurations that employ various modulation schemes and which experience various fading conditions.Finally,Monte Carlo simulation results are provided to demonstrate the exact match between the simulation results and the proposed analytical expressions.展开更多
In order to ensure the reliability and accuracy of low voltage differential signaling(LVDS)used in remote test system serial data transmission,a(7,4)linear block code is proposed.At the expense of a certain effective ...In order to ensure the reliability and accuracy of low voltage differential signaling(LVDS)used in remote test system serial data transmission,a(7,4)linear block code is proposed.At the expense of a certain effective bandwidth,the bit error rate of data transmission is greatly reduced,and the reliability of data transmission is improved by adding monitoring symbols.The driver CLC001 and the adaptive equalizer CLC012 are used as hardwares to compensate the attenuation of the signal in the long line transmission,improve the signal integrity and ensure the reliability of data transmission.Proved by simulation on a shielded twisted pair cable with a total length of 100 m,this system realizes zero bit error transmission of the serial data at the rate of 240 Mbit/s.展开更多
基金supported by the Fundamental Research Funds for the Central Universities(Dalian Maritime University)under Grants No.2012QN043,No.2011QN116
文摘In this paper,the Symbol Error Rate(SER)performance for Orthogonal Space-Time Block Coded(OSTBC)Orthogonal Frequency Division Multiplexing(OFDM)systems over Nakagami-m fading channels is analysed.A novel closed-form SER expression is proposed,which incorporates the Gauss hypergeometric function and Appell hypergeometric function into the conventional Probability Density Function(PDF)approach.The proposed exact closed-form SER expression is a generalised solution since it perfectly captures OSTBCOFDM systems’performances when having different antenna configurations that employ various modulation schemes and which experience various fading conditions.Finally,Monte Carlo simulation results are provided to demonstrate the exact match between the simulation results and the proposed analytical expressions.
文摘In order to ensure the reliability and accuracy of low voltage differential signaling(LVDS)used in remote test system serial data transmission,a(7,4)linear block code is proposed.At the expense of a certain effective bandwidth,the bit error rate of data transmission is greatly reduced,and the reliability of data transmission is improved by adding monitoring symbols.The driver CLC001 and the adaptive equalizer CLC012 are used as hardwares to compensate the attenuation of the signal in the long line transmission,improve the signal integrity and ensure the reliability of data transmission.Proved by simulation on a shielded twisted pair cable with a total length of 100 m,this system realizes zero bit error transmission of the serial data at the rate of 240 Mbit/s.
