Estimation of Phase Noise and Error in MIMO-OFDM

Estimation of Phase Noise and Error in MIMO-OFDM
Author(s):
Santhiya.M, Dr.S.Dhandapani
Keywords:
MIMO, OFDM, Phase Noise, BER, QAM.
Abstract
In this project, we present a multiple-input multiple output (MIMO) orthogonal frequency division multiplexing (OFDM) based backhaul link in the presence of hardware impairments, such as phase noise (PN), residual carrier frequency offset (RCFO), and sampling frequency offset (SFO). Focusing on these adverse hardware effects on the MIMO-OFDM system, we propose corresponding signal processing algorithms for compensating these impairments. Simulation results show that the Bit Error Rate (BER) performance of the system is identical with that of the effect of noise, when this technique is implemented for basic modulation schemes like PAM or QAM. Whereas, when the technique is implemented for Multiple Input Multiple Output (MIMO) system, or a Multiple Input Multiple Output (MIMO) system with Orthogonal Frequency Division Multiplexing (OFDM) modulation, it shows a better Bit Error Rate (BER) performance than that of the usual way of channel equalization in the respective systems.
Article Details
Unique Paper ID: 146410 Publication Volume & Issue: Volume 4, Issue 12 Page(s): 546 - 554
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