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Industry News / Subsystems and Systems / Test and Measurement

Understanding W-CDMA Modulation Quality Measurements

December 1, 2002
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There are many ways of characterizing W-CDMA transmitter performance. However, the Third Generation Partnership Project (3GPP) specifications require two measurements to verify the in-channel modulation quality of W-CDMA transmitters - error vector magnitude (EVM) and peak code domain power (peak CDE). This article explores the purpose behind these key...
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