Hybrid TDMA/CDMA based on filtered multitone modulation for uplink transmission in HFC networks

Author

Cherubini, Giovanni

Volume

41

Issue

10

fYear

2003

fDate

10/1/2003 12:00:00 AM

Firstpage

108

Lastpage

115

Abstract

We present a hybrid TDMA/CDMA system for uplink transmission in multiple access networks that is based on filtered multitone modulation. We consider an application to uplink transmission in hybrid fiber/coax networks. After discussing the characteristics of the proposed system, we address the problem of initial ranging and power adjustment of unregistered stations. Finally, we introduce a new collision resolution algorithm in conjunction with FMT modulation that uses iterative identification of the competing stations to achieve high throughput on the collision channel. System performance is investigated by simulations.

Keywords

code division multiple access; hybrid fibre coax networks; modulation; time division multiple access; FMT modulation; HFC networks; collision resolution algorithm; filtered multitone modulation; hybrid TDMA/CDMA system; hybrid fiber/coax networks; initial ranging; iterative identification; medium access control; multiple access networks; multiple access system; power adjustment; simulations; system performance; throughput; unregistered stations; uplink transmission; Bandwidth; Downlink; Frequency synchronization; Hybrid fiber coaxial cables; Intelligent networks; Iterative algorithms; Multiaccess communication; OFDM modulation; Time division multiple access; Timing;

fLanguage

English

Journal_Title

Communications Magazine, IEEE

Publisher

ieee

ISSN

0163-6804

Type

jour

DOI

10.1109/MCOM.2003.1235602

Filename

1235602