Synchronization of a TDMA-OFDM frequency hopping system

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceeding

Abstract

We present a time division multiple access-orthogonal frequency division multiplexing (TDMA-OFDM)-based radio interface proposal for the Universal Mobile Telecommunication System (UMTS). We focus on synchronization and present an implementable algorithm for the tracking of the mobiles' time and frequency offsets at the base station in the uplink. This algorithm is based on estimation methods that use redundancy introduced by the cyclic prefix. A modified maximum likelihood (ML) estimator for the additive white Gaussian noise (AWGN) channel is used to meet both the implementational and performance requirements for frequency-selective fading multiuser environments. Simulation results for a typical UMTS mobile channel environment show that the uncoded symbol error rate of a coherently modulated system using our synchronization scheme is virtually indistinguishable from that of a system with no time and frequency offset

Detaljer

Författare
  • Jan-Jaap van de Beek
  • Per Ola Börjesson
  • Marie-Laure Boucheret
  • Daniel Landström
  • Julia Martinez Arenas
  • Per Ödling
  • Sarah Kate Wilson
  • Christer Ostberg
  • Mattias Wahlqvist
Enheter & grupper
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Elektroteknik och elektronik
Originalspråkengelska
Titel på värdpublikation[Host publication title missing]
Sidor1290-1294
Volym2
StatusPublished - 1998
PublikationskategoriForskning
Peer review utfördJa
EvenemangIEEE Vehicular Technology Conference, 1998 - Ottawa, Kanada
Varaktighet: 1998 maj 181998 maj 21

Publikationsserier

Namn
Volym2

Konferens

KonferensIEEE Vehicular Technology Conference, 1998
LandKanada
OrtOttawa
Period1998/05/181998/05/21