Meny

Javascript verkar inte påslaget? - Vissa delar av Lunds universitets webbplats fungerar inte optimalt utan javascript, kontrollera din webbläsares inställningar.
Du är här

Peak power reduction for OFDM systems with orthogonal pilot sequences

Författare:
Publiceringsår: 2006
Språk: Engelska
Sidor: 47-51
Publikation/Tidskrift/Serie: IEEE Transactions on Wireless Communications
Volym: 5
Nummer: 1
Dokumenttyp: Artikel
Förlag: IEEE

Sammanfattning

In this paper, a novel peak-to-average power reduction approach for orthogonal frequency division multiplexing (OFDM) has been addressed. Two-dimensional pilot-symbol assisted modulation (2D-PSAM) is employed in coherent OFDM for channel estimation, and it is based on inserting known symbols spread throughout the 2D time-frequency grid. These pilot symbols are employed to simultaneously perform distortionless peak power reduction with a suboptimum technique named orthogonal pilot sequences (OPS), which reduces additional system complexity and side information compared to optimum pilot values. This proposal attains a further step over other previous works, since this set of sequences allows blind detection at the receiver without prior knowledge of any side information.

Disputation

Nyckelord

  • Technology and Engineering
  • peak-to-average power
  • OFDM
  • pilot symbols

Övriga

Published
Yes
  • ISSN: 1536-1276

Box 117, 221 00 LUND
Telefon 046-222 00 00 (växel)
Telefax 046-222 47 20
lu [at] lu [dot] se

Fakturaadress: Box 188, 221 00 LUND
Organisationsnummer: 202100-3211
Om webbplatsen