JOURNAL BROWSE
Search
Advanced SearchSearch Tips
A Study on the Implementation of Wideband Hybrid Quadrature Polar Transmitter Platform
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
A Study on the Implementation of Wideband Hybrid Quadrature Polar Transmitter Platform
Chang, Sang-Hyun; Lee, Il-Kyoo; Kim, Hyung-Jung; Kang, Sang-Ki;
  PDF(new window)
 Abstract
In this paper, we proposed the architecture of the Hybrid Quadrature Polar transmitter which has the wideband characteristics available for the SRD(Short Range Device). First, we developed the simulation environment and carried out performance degradation analysis. Second, we considered the slewrate of the VVA(Voltage Variable Attenuator), time delay between magnitude signal and phase signal and the number of bits for DAC(Digital-to-Analog Converter) as the main performance factors. Then we obtained the minimum required values to meet the transmitting performance requirements of 3GPP standards through simulation results. Based on these results, we implemented the Wideband Hybrid Quadrature Polar transmitter platform and varified the performance requirements through practical measurement.
 Keywords
Polar;VVA;
 Language
Korean
 Cited by
 References
1.
John Groe, "Polar Transmitters for Wireless Communications", IEEE Communications Magazine, pp.58-63.

2.
A. Diet, C. Berland, M. Villegas and G. Baudoin, "PWM Coding and Filtering of an OFDM Envelope Signal in a C Band EER Transmitter Architecture", IEEE Personal, Indoor and Mobile Radio communications, Vol.3, pp.2087.

3.
Patrick Reynaert and Michiel Steyaert, "RF Power Amplifiers for Mobile Communications", Springer Netherlands, p.138.

4.
A. Castoldi, "Low-noise slew-rate free voltage preamplifier with current-limited continuous reset", Nuclear Instruments and Methods in Physics Research A 512, pp.143-149.

5.
Andrew E. Stevens, Gerald A. Miller, "A High-Slew Integrator for Switched-Capacitor Circuits", IEEE JOURNAL OF SOLID-STATE CIRCUITS. VOL. 29, NO. 9, September 1994

6.
"Digital Modulation in Communication Systems- An Introduction", Hewlett Packard Application Note 1298.

7.
J.-F. Bercher, C. Berland, "Adaptive time mismatches identification and correction in polar transmitter architecture", ESYCOM-ESIEE and Universite de Paris-Est.

8.
J.-F. Bercher, A. Diet, C. Berland, G. Baudoin, M.Villegas, "Monte-Carlo Estimation of Time Mismatch Effect in an OFDM EER Architecture", IEEE Communications Magazine, pp.283-286, 2004.

9.
Technical Specification, "3GPP TS 25.101 V5.20.0", 3rd Generation Partnership Project, 2006-12.