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In the Long Term Evolution (LTE) system, the initial cell search needs not only to achieve the timing synchronisations of symbols, slots and frames, but also to detect the sector identity (ID), the cell ID group and the carrier frequency offset (CFO), which includes an integer part (ICFO) and a fractional part. To accomplish this cell search process, two synchronisation signals, the primary synchronisation...
In this paper, an effective algorithm for detecting the sector ID and ICFO together via the PSS-matching process is presented. In the conventional scheme, the commonly used differential correlation for PSS detection in frequency domain is applied. Its performance is compromised by the squaring noise. To remedy this shortcoming, a partial correlation scheme for PSS detection, including the theoretical...
In cellular communication systems the mobile station (MS) must be able to perform initial synchronization and search for a base station to set up the downlink access. This process is called the initial cell search. To accomplish the operations, two synchronization signals, the primary synchronization signal (PSS) and the secondary synchronization signal (SSS), are periodically transmitted from the...
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