Common Magnitude Error Due to Phase Noise in OFDM Systems

Author

Lawrence, Sean ; Biswas, Ashim ; Sahib, Anees

Author_Institution

Intel, Bangalore

fYear

2007

fDate

3-7 Sept. 2007

Firstpage

1

Lastpage

4

Abstract

Phase noise from oscillator instabilities poses a limitation to the efficiency of data recovery in orthogonal frequency division multiplexed (OFDM) systems and basically comprises of two effects: a phase error common to all OFDM subcarriers called the common phase error (CPE) and inter-carrier interference (ICI). This paper brings to light a third component which is a change in magnitude common to all the subcarriers which we will call the common magnitude error (CME). Estimation and correction of the CME can be done in a similar manner to CPE estimation and correction by using the reference information on the pilot subcarriers.

Keywords

OFDM modulation; error correction; phase noise; OFDM system; common magnitude error correction; common magnitude error estimation; common phase error correction; common phase error estimation; data recovery; inter-carrier interference; orthogonal frequency division multiplexed system; oscillator instability; phase noise; reference information; AWGN; Local oscillators; OFDM modulation; Phase modulation; Phase noise; Radio transmitters; Receiving antennas; Signal analysis; Signal processing; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2007. PIMRC 2007. IEEE 18th International Symposium on

Conference_Location

Athens

Print_ISBN

978-1-4244-1144-3

Electronic_ISBN

978-1-4244-1144-3

Type

conf

DOI

10.1109/PIMRC.2007.4394322

Filename

4394322