Synchronization with DMT modulation

In a digital transmission system, synchronization is an essential receiver function. Accurate timing information must be known to the demodulator in order to produce reliable estimates of the transmitted data sequence. In this article, synchronization for discrete multitone transmission (DMT) is examined. The effect of imperfect timing on the receiver performance is investigated. An overview of timing estimation and correction circuits based on data-aided and non-data-aided algorithms derived from maximum-likelihood estimation theory is given.

[1]  John M. Cioffi,et al.  Optimum finite-length equalization for multicarrier transceivers , 1996, IEEE Trans. Commun..

[2]  Unto K. Laine,et al.  Splitting the Unit Delay - Tools for fractional delay filter design , 1996 .

[3]  Marc Moeneclaey,et al.  The BER performance of OFDM systems using non-synchronized sampling , 1994, 1994 IEEE GLOBECOM. Communications: The Global Bridge.

[4]  T Ansi.  Network and Customer Installation Interfaces - Asymmetric Digital Subscriber Line (ADSL) Metallic Interface , 1998 .

[5]  Per Ola Börjesson,et al.  ML estimation of time and frequency offset in OFDM systems , 1997, IEEE Trans. Signal Process..

[6]  Unto K. Laine,et al.  Splitting the unit delay [FIR/all pass filters design] , 1996, IEEE Signal Process. Mag..

[7]  J.A.C. Bingham,et al.  Multicarrier modulation for data transmission: an idea whose time has come , 1990, IEEE Communications Magazine.

[8]  Floyd M. Gardner,et al.  Interpolation in digital modems. I. Fundamentals , 1993, IEEE Trans. Commun..

[9]  Heidi Steendam,et al.  Performance Degradation of Multi-Carrier Systems caused by an insufficient guard interval , 1997 .

[10]  L. Franks,et al.  Carrier and Bit Synchronization in Data Communication - A Tutorial Review , 1980, IEEE Transactions on Communications.

[11]  John M. Cioffi,et al.  The effect of timing jitter on the performance of a discrete multitone system , 1996, IEEE Trans. Commun..

[12]  Erdal Panayirci,et al.  A new approach for evaluating the performance of a symbol timing recovery system employing a general type of nonlinearity , 1996, IEEE Trans. Commun..

[13]  Lars Erup,et al.  Interpolation in digital modems. II. Implementation and performance , 1993, IEEE Trans. Commun..