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Performance of EVM and PCDE quality metrics in WCDMA downlink

Performance of EVM and PCDE quality metrics in WCDMA downlink

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© IEE
Published

In a WCDMA system, the downlink signal the base station transmits is designed to fulfil the specifications set in the 3GPP standard. Here, the performance of the error vector magnitude (EVM) and peak code domain error (PCDE) quality metrics is impugned. It is shown that the limits of EVM and PCDE do not guarantee that the user will experience an adequate signal-to-noise ratio.

Inspec keywords: cellular radio; code division multiple access; radio links

Other keywords: peak code domain error; quality metrics; 3GPP standard; error vector magnitude; wideband code division multiple access; W-CDMA downlink; EVM; PCDE; signal-to-noise ratio

Subjects: Multiple access communication; Mobile radio systems

References

    1. 1)
      • A. Papoulis . (1965) Probability, random variables, and stochastic processes.
    2. 2)
      • Väänänen, O., Vankka, J., Halonen, K.: `Effect of baseband clipping in wideband CDMA system', IEEE Int. Symp. on Spread Spectrum Techniques and Applications, 2002, Prague, Czech Republic, Accepted for.
    3. 3)
      • Väänänen, O., Vankka, J., Halonen, K.: `Effect of clipping in wideband CDMA system and simple algorithm for peak windowing', World Wireless Congress, May 2002, San Francisco, CA, USA, p. 614–619.
    4. 4)
      • 3GPP Technical Specification Group Access Network, `Base station conformance testing', 2000, TS 25.141 V3.2.0.
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