Title :
A robust GSM/EDGE transmitter using polar modulation techniques
Author :
Mayer, Christian ; Neurauter, Burkhard ; Märzinger, Günter ; Münker, Christian ; Hagelauer, Richard
Author_Institution :
Res. Inst. for Integrated Circuits, Linz Univ.
Abstract :
A key property of polar modulator systems is the matching between amplitude and phase path. This paper shows how mismatches between these paths degrade performance and introduce difficulties in designing GSM/EDGE systems. A transmitter overcoming these problems is presented. The chip has been implemented in a 0.13mum CMOS technology, with a nominal margin of 7 dB to the critical 400 kHz specification and a transmit EVM of 2.5%
Keywords :
3G mobile communication; CMOS integrated circuits; cellular radio; radio transmitters; 400 kHz; CMOS technology; amplitude path; phase path; polar modulation techniques; robust GSM/EDGE transmitter; Amplitude modulation; Bandwidth; CMOS technology; Chirp modulation; GSM; Phase modulation; Robustness; Signal processing; Transceivers; Transmitters;
Conference_Titel :
Wireless Technology, 2005. The European Conference on
Conference_Location :
Paris
Print_ISBN :
2-9600551-1-X
DOI :
10.1109/ECWT.2005.1617663
