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Operating Manual Vol 1 - ES Documentation

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Digital Standard 3GPP W-CDMA (FDD)SMIQ2.14.2.4 WCDMA/3GPP Menu – Displaying Constellation DiagramsA constellation diagram can be calculated and displayed from the unfiltered I/Q samples (menu itemCONSTELLATION).Fig. 2-114DIGITAL STD - WCDMA/3GPP – CONSTELLATION menuIn addition to the code domain display (see section 2.14.2.9) and the CCDF display (see section2.14.2.3) the constellation diagram is the most important display for a W-CDMA signal. In addition tochannel powers, the effect of data sources etc and also the spreading scheme can be read off as afunction of the type of channel. For further information on W-CDMA constellation diagrams see sections2.14.3.1 and 2.14.3.3. The complete waveform, i.e. the sum for all (max. 4) stations is used to calculatethe constellation diagram.1125.5555.03 2.192E-9

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