On using the whitening filters for measurements and noise suppression in mobile communications systems

Mikushin, A.V.; Sedinin,

doi:10.1109/pesc.2004.241135

2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551) 2004

DOI: 10.1109/pesc.2004.241135

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On using the whitening filters for measurements and noise suppression in mobile communications systems

A.V. Mikushin

Sedinin Sedinin

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2010

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“…formance; frequency selective noise (narrow-band), timeselective noise (impulsive; wide-band) and space-selective noise [1]. In the present work we deal with the effect of a special type of narrow-band noise, i.e.…”

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confidence: 99%

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Performance analysis of OFDM and DAB receivers in the presence of spurious tones

Chorti

Brookes

2010

Telecommun Syst

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A number of mechanisms can result in the generation of spurious tones in Orthogonal Frequency Division Multiplexing (OFDM) receivers. In this work we determine the Signal-to-Noise-Ratio (SNR) degradation at the output of the Fast-Fourier-Transform (FFT) block and evaluate the performance of a Digital Audio Broadcasting (DAB) receiver in the presence of such tonal interference. We show that the degradation varies with the central frequency of the interference and demonstrate that relatively weak spurious tones can compromise the performance of a DAB receiver. We provide specific evaluations of the severity of the above effect for all possible DAB systems parameterizations and evaluate the permissible levels of spurious tones in such systems. It is shown that for DAB EEP Mode A protection level 4, tonal interference of 14 dB lower than the signal can compromise the receiver performance.

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“…M n e j (ω n t+θ n ) (1) with M n , ω n and θ n representing the amplitude, frequency and phase of the nth interfering tone. Such in-band harmonic interference may emerge from a variety of mechanisms.…”

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confidence: 99%

Performance analysis of OFDM and DAB receivers in the presence of spurious tones

Chorti

Brookes

2010

Telecommun Syst

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On using the whitening filters for measurements and noise suppression in mobile communications systems

Cited by 1 publication

References 0 publications

Performance analysis of OFDM and DAB receivers in the presence of spurious tones

Performance analysis of OFDM and DAB receivers in the presence of spurious tones

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