Zipper: a duplex method for VDSL based on DMT

Author

Sjoberg, Frank ; Isaksson, Mikael ; Nilsson, Rickard ; Ödling, Per ; Wilson, Sarah Kate ; Börjesson, Per Ola

Author_Institution

Dept. of Signal Process., Lulea Univ. of Technol., Sweden

Volume

47

Issue

8

fYear

1999

fDate

8/1/1999 12:00:00 AM

Firstpage

1245

Lastpage

1252

Abstract

We present a new duplex scheme, called Zipper, for discrete multitone (DMT)-based very high bit-rate digital subscriber line (VDSL) systems on copper wires. This scheme divides the available bandwidth by assigning different subcarriers for the upstream and downstream directions. It has high flexibility to divide the capacity between the up and downstream, as well as good coexistence possibilities with other systems such as ADSL. Simulation results show the high bit-rate performance in different environments such as mixed ADSL and VDSL traffic under radio frequency interference and with different background noise sources

Keywords

digital subscriber lines; modulation; noise; radiofrequency interference; telecommunication traffic; Cu; DMT modulation; RFI; VDSL; Zipper; background noise sources; bandwidth; copper wires; discrete multitone; downstream direction; duplex method; high bit-rate performance; mixed traffic; radio frequency interference; simulation results; subcarriers; upstream direction; very high bit-rate digital subscriber line; Background noise; Bandwidth; Bit rate; Copper; DSL; OFDM modulation; Radiofrequency interference; Telecommunication standards; Traffic control; Wires;

fLanguage

English

Journal_Title

Communications, IEEE Transactions on

Publisher

ieee

ISSN

0090-6778

Type

jour

DOI

10.1109/26.780461

Filename

780461