A 20-W chireix outphasing transmitter for WCDMA base stations

IEEE Transactions on Microwave Theory and Techniques

Volumn 55, Issue 12, 2007, Pages 2709-2718

  Huttunen, Anu ^b   Kaunisto, Risto ^a,b  

^a IEEE

^b NOKIA RESEARCH CENTER   (United States)

Author keywords

Chireix outphasing; Linear amplification with nonlinear components (LINC); Linear transmitters; Predistortion; RF power amplifiers (PAs)

Indexed keywords

ADAPTIVE SYSTEMS; ALGORITHMS; CALIBRATION; SIGNAL ANALYSIS;

CHIREIX OUTPHASING; LINEAR AMPLIFICATION; LINEAR TRANSMITTERS; RF POWER AMPLIFIERS (PA);

CODE DIVISION MULTIPLE ACCESS;

EID: 36949024895     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2007.907140     Document Type: Conference Paper

References (25)

1. W. Feipeng et al, "Design of wide-bandwidth, envelope-tracking power amplifiers for OFDM applications," IEEE Trans. Microw. Theory Tech., vol. 53, no. 4, pp. 1244-1255, Apr. 2005.
2. P. Draxler et al, "High efficiency envelope tracking LDMOS power amplifier for W-CDMA," in IEEE MTT-S Int. Microw. Symp. Dig., San Francisco, CA, Jun. 11-16, 2006, pp. 1534-1537.
3. D. Kimball et al, "High-efficiency envelope-tracking W-CDMA basestation amplifier using GaN HFETs," IEEE Trans. Microw. Theory Tech., vol. 54, no. 11, pp. 3848-3856, Nov. 2006.
4. I. Hakala, L. Gharavi, and R. Kaunisto, "Chireix power combining with saturated class-B power amplifiers," in Proc. 34th Eur: Microw. Conf., Amsterdam, The Netherlands, 2004, pp. 1-4.
5. I. Hakala et al, "A 2.14-GHz Chireix outphasing transmitter," IEEE Trans. Microw. Theory Tech., vol. 53, no. 6, pp. 2129-2138, Jun. 2005.
6. A. Huttunen and R. Kaunisto, "A 20-W Chireix outphasing transmitter for WCDMA base stations," presented at the IEEE MTT-S Int. Microw. Symp., Honolulu, HI, 2007.
7. H. Chireix, "High power outphasing modulation," Proc. IRE, vol. 23, no. 11, pp. 1370-1392, Nov. 1935.
8. D. Cox, "Linear amplification with nonlinear components," IEEE Trans. Commun., vol. COM-22, no. 12, pp. 1942-1945, Dec. 1974.
9. A. Birafane and A. Kouki, "On the linearity and efficiency of outphasing microwave amplifiers," IEEE Trans. Microw. Theory Tech., vol. 52, no. 7, pp. 1702-1708, Jul. 2004.
10. C. P. Conradi, R. H. Johnston, and J. G. McRory, "Evaluation of a lossless combiner in a LINC transmitter," in Proc. IEEE Can. Elect. Comput. Eng. Conf., May 1999, vol. 1, pp. 105-110.
11. F. H. Raab, "Efficiency of outphasing RF power-amplifier systems," IEEE Trans. Commun., vol. COM-33, no. 10, pp. 1094-1099, Oct. 1985.
12. B. Stengel and W. R. Eisenstadt, "LINC power amplifier combiner method efficiency optimization," IEEE Trans. Veh. Technol., vol. 49, no. 1, pp. 229-234, Jan. 2000.
13. J. Gründlingh, K. Parker, and G. Rabjohn, "A high efficiency Chireix out-phasing power amplifier for 5 GHz WLAN applications," in IEEE MTT-S Int. Microw. Symp. Dig., Fort Worth, TX, Jun. 6-11, 2004, pp. 1535-1538.
14. S. Tomisato, K. Chiba, and K. Murota, "Phase error free LINC modulator," Electron. Lett., vol. 25, no. 9, pp. 576-577, Apr. 1989.
15. L. Sundstöm, "Automatic adjustment of gain and phase imbalances in LINC transmitters," Electron. Lett., vol. 31, no. 3, pp. 155-156, Feb. 1995.
16. S. Ampem-Darko and H. S. Al-Raweshidy, "Gain/phase imbalance cancellation technique in LINC transmitters," Electron. Lett., vol. 34, no. 22, pp. 2093-2094, Oct. 1998.
17. B. Shi and L. Sundström, "A time-continuous optimization method for automatic adjustment of gain and phase imbalances in feedforward and LINC transmitters," in Proc. Circuits Syst., May 2003, vol. 1, pp. 45-48.
18. A. Azizar and I. D. Robertson, "OFDM LINC transmitter with digital I/Q imbalance compensation," in IEEE MTT-S Int. Microw. Symp. Dig., Jun. 2004, vol. 2, pp. 743-746.
19. S.A. Olson and R. E. Stengel, "LINC imbalance correction using baseband preconditioning," in Proc. IEEE Radio Wireless Conf., Aug. 1-4, 1999, pp. 179-182.
20. X. Zhang and L. E. Larson, "Gain and phase error-free LINC transmitter," IEEE Trans. Veh. Technol., vol. 49, no. 5, pp. 1986-1994, Sep. 2000.
21. X. Zhang, L. E. Larson, and P. M. Asbeck, "Calibration scheme for LINC transmitter," Electron. Lett., vol. 37, no. 5, pp. 317-318, Mar. 2001.
22. X. Zhang, L. E. Larson, P. M. Asbeck, and P. Nanawa, "Gain/phase imbalance-minimization techniques for LINC transmitters," IEEE Trans. Microw. Theory Tech., vol. 49, no. 12, pp. 2507-2516, Dec. 2001.
23. C. P. Conradi and J. G. McRory, "Predistorted LINC transmitter," Electron. Lett., vol. 38, no. 7, pp. 301-302, Mar. 2002.
24. P. Garcia, A. Ortega, J. de Mingo, and A. Valdovinos, "Nonlinear distortion cancellation using LINC transmitters in OFDM systems," IEEE Trans. Broadcast., vol. 51, no. 1, pp. 84-93, Mar. 2005.
25. P. Garcia, J. de Mingo, A. Valdovinos, and A. Ortega, "An adaptive digital method of imbalances cancellation in LINC transmitters," IEEE Trans. Veh. Technol., vol. 54, no. 3, pp. 879-888, May 2005.