DOIONLINE 
DOIONLINE Publish In |
International Journal of Electrical, Electronics and Data Communication (IJEEDC)-IJEEDC |
 Journal Home Volume Issue |
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Issue |
Volume-7,Issue-9 ( Sep, 2019 ) | |||||||||
Paper Title |
Performance Analysis of OFDM Signals by using MIMO Channels for Wide Band Transmission | |||||||||
Author Name |
M. Sailaja Devi, A. Rajani | |||||||||
Affilition |
M.Tech. Student Assistant Professor, ECE | |||||||||
Pages |
62-65 | |||||||||
Abstract |
In this paper the salient advantage of PC is its ease of hardware implementation, but it induces in-band distortion and out-of-band radiation. In order to restrict the amount of distortion within an acceptable level, it is critical to carefully design the cancelling pulses as well as the envelope threshold over which PC is applied. In most studies, however, they are determined empirically through computer simulations. Based on the level-crossing rate approximation of the peak distribution, we derive a closed-form expression for the achievable signal-to-distortion power ratio (SDR). We also analyze the adjacent channel leakage ratio (ACLR) as well as error vector magnitude (EVM), with which the symbol error rate (SER) over an additive white Gaussian noise (AWGN) channel is obtained. Multiuser multiple-input multiple-output (MUMIMO) transmission techniques have been popularly used to improve the spectral efficiency and user experience. However, due to the coarse knowledge of channel state information at the transmitter (CSIT), the quality of transmit pre coding to control multiuser interference is degraded and hence co scheduled user equipment (UE) may suffer from large residual multiuser interference Keywords - Signal-to-Distortion Power Ratio, Adjacent Channel Leakage Ratio, Error Vector Magnitude, Symbol Error Rate, Additive white Gaussian Noise. | |||||||||
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