Title
A Calibration Scheme For Delay Mismatch Compensation In Ofdm-Based Polar Transmitter
Abstract
This paper presents a calibration scheme for delay mismatch between envelope and phase in the OFDM polar transmitter. An asynchronous delay detection method is proposed to avoid using a complicated signal processing algorithm or synchronous elements which need high clocking rates for detecting small delay mismatch. This scheme uses buffer delay chains to estimate the mismatch and then the estimated delay values are asynchronously stored in registers. It is verified that the proposed scheme well suites application to the OFDM polar transmitter through SPW, Mat lab and HDL simulations. It achieves the margin of about 20 dB at 20 MHz offset, 10 dB at 40 MHz offset in terms of spectral limit specified in WLAN standard.
Year
DOI
Venue
2010
10.1587/transcom.E93.B.2791
IEICE TRANSACTIONS ON COMMUNICATIONS
Keywords
DocType
Volume
delay mismatch, polar transmitter, OFDM, WLAN
Journal
E93B
Issue
ISSN
Citations 
10
0916-8516
0
PageRank 
References 
Authors
0.34
2
6
Name
Order
Citations
PageRank
Hun-sik Kang100.68
Min-Lee Hwang200.34
Jin Lee300.34
Sok-kyu Lee49523.78
Haewook Choi5287.23
Sin-Chong Park68022.58