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For cooperative received Paired Carrier Multiple Access (PCMA) signals, a new algorithm for frequency offset estimation is proposed. The local sample sequence is used as auxiliary data, and frequency offset is estimated based on the discrete Fourier transform (DFT) of the autocorrelation of the sequence, which obtained by multiplying the auxiliary data and mixed signal. The modified Cramer-Rao Bound...
Various technologies in LTE/LTE-Advanced have significantly improved the data throughput of 4G systems. However, the coverage of LTE networks, a very important performance metric to operators, receives relatively less attention. In this article we describe the motivations of LTE coverage enhancements from several aspects. Through link budget analysis, the limiting link and channels are identified...
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