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However, long preheating time will result in higher time consumption for the process and prove to be cost ineffective.
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"We only finance 50percenttoto 60percentt" of the construction cost of projects, "even in higher times, when other companies did 90percentt," Mr. Lam said.
This paper proposed the time domain equalization (TDE) method for the TS-OFDM signal in higher time-varying fading channels.
However, the approximation of linear changing of CIR is no more effective in higher time-varying fading channels which leads to the degradation of BER performance.
However, the BER performance would be degraded in higher time-varying fading channels due to the approximation for the full elements of CFR matrix by the banded matrix.
These approximation and assumption would lead to the inevitable error in the calculation of inverse matrix especially in higher time-varying fading channels.
To solve the above problem, many frequency domain equalization methods were proposed to mitigate the ICI in higher time-varying channels [7 14].
The employment of TS-OFDM signal with the time domain PN or Chu sequence can achieve higher CFR estimation accuracy than the CP-OFDM and ZP-OFDM signals of using the pilot subcarriers in higher time-varying fading channels.
In higher time-varying fading channels, the signal quality of orthogonal frequency division multiplexing (OFDM) technique would be degraded relatively due to the occurrence of inter-carrier interference (ICI).
Secondly, this paper proposes a time domain equalization (TDE) method which can achieve better bit error rate (BER) performance with keeping lower computation complexity even in higher time-varying fading channels.
In [13], since an overlap and add frequency domain equalization (OLA-FDE) method is employed, the property of circular convolution is no more satisfied in higher time-varying fading channels which leads to the fatal degradation of BER performance.
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