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  • Research Article
  • Open Access

A Hybrid Single-Carrier/Multicarrier Transmission Scheme with Power Allocation

EURASIP Journal on Wireless Communications and Networking20072008:168032

  • Received: 11 May 2007
  • Accepted: 16 August 2007
  • Published:


We propose a flexible transmission scheme which easily allows to switch between cyclic-prefixed single-carrier (CP-SC) and cyclic-prefixed multicarrier (CP-MC) transmissions. This scheme takes advantage of the best characteristic of each scheme, namely, the low peak-to-average power ratio (PAPR) of the CP-SC scheme and the robustness to channel selectivity of the CP-MC scheme. Moreover, we derive the optimum power allocation for the CP-SC transmission considering a zero-forcing (ZF) and a minimum mean-square error (MMSE) receiver. By taking the PAPR into account, we are able to make a better analysis of the overall system and the results show the advantage of the CP-SC-MMSE scheme for flat and mild selective channels due to their low PAPR and that the CP-MC scheme is more advantageous for a narrow range of channels with severe selectivity.


  • Information System
  • Narrow Range
  • System Application
  • Power Allocation
  • Good Characteristic

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Authors’ Affiliations

Signal Processing Laboratory for Communications (DSPCom), State University of Campinas (UNICAMP), Campinas, SP, 13083-970, Brazil
Laboratory of Electronics and Communications, Conservatoire National des Arts et Métiers (CNAM), Paris, 75141, France