DocumentCode
2965086
Title
A Polar Delta-Sigma Modulation (PDSM) Scheme for High Efficiency Wireless Transmitters
Author
Jeong, Jinseong ; Wang, Yuanxun Ethan
Author_Institution
California Univ. Los Angeles, Los Angeles
fYear
2007
fDate
3-8 June 2007
Firstpage
73
Lastpage
76
Abstract
A novel polar delta-sigma modulation (PDSM) architecture that is suited for polar transmitters is proposed. The PDSM solves the noise convolution problem of existing envelope Delta-Sigma modulation techniques and it can provide robust in-band signal to noise performance with a moderate oversampling rate. The approach is expected find applications in high efficiency polar transmitters. Simulations with WCDMA downlink waveforms has validated the proposed concept.
Keywords
delta-sigma modulation; high efficiency wireless transmitters; polar delta sigma modulation; polar transmitters; Band pass filters; Delta-sigma modulation; Power amplifiers; Pulse amplifiers; Quantization; Radio frequency; Radiofrequency amplifiers; Signal to noise ratio; Switches; Transmitters;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium, 2007. IEEE/MTT-S International
Conference_Location
Honolulu, HI
ISSN
0149-645X
Print_ISBN
1-4244-0688-9
Electronic_ISBN
0149-645X
Type
conf
DOI
10.1109/MWSYM.2007.380257
Filename
4263744
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