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This paper discusses about design of common wireless communication services recognition for three different standards, i.e., Global System for Mobile Communications (GSM), Universal Mobile Telecommunications System (UMTS) or Wideband Code Division Access (WCDMA), and Long Term Evolution (LTE), also known well as 2G, 3G, and 3.9G respectively. To recognize them using a common system, the authors propose performing within synchronization channel detection since the similarity in cell search procedures, i.e., always detect synchronization signals. To minimize resources, they prefer using autocorrelation to detect GSM and LTE synchronization signals and match filter for UMTS synchronization signal.
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