Applications of Digital Wireless Technologies to Global Wireless Communications
Applications of Digital Wireless Technologies to Global Wireless Communications
Multicarrier Techniques for 4G Mobile Communications
Multicarrier Techniques for 4G Mobile Communications
Performance analysis of multicarrier systems in the presence of smooth nonlinearity
EURASIP Journal on Wireless Communications and Networking - Special issue on multiuser MIMO networks
Distribution of the ICI Term in Phase Noise Impaired OFDM Systems
IEEE Transactions on Wireless Communications
WSEAS TRANSACTIONS on COMMUNICATIONS
Simplified SNR degradation under the combined effect of imperfections parameters in OFDM system
MUSP'09 Proceedings of the 9th WSEAS international conference on Multimedia systems & signal processing
| Hi-index | 0.00 |
In this paper, we provide an exact closed-form expression of the effective signal-to-noise ratio (SNR) for orthogonal frequency division multiplexing (OFDM) performance under the combined effect of phase noise, frequency offset, and amplifier nonlinearities of the soft envelope limiter (SEL). This formula describes explicitly the various parameters with the system performance. After deriving the effective SNR, we evaluate the bit-error-rate (BER) for slowly fading Rayleigh channel for QPSK and 16QAM modulation formats. We also obtain the minimum total degradation (TD) versus phase noise rate for different values of frequency offset rate as a criterion of performance evaluation. We show that the degradation is increased as the phase noise levels and frequency offset levels are increased. Even worse results are obtained for 16QAM modulation format compared with QPSK modulation format.