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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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An Overlaid Hybrid-Division Duplex OFDMA System with Multihop Transmission

  • Sang, Young-Jin (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Park, Jung-Min (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Kim, Seong-Lyun (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Kim, Kwang-Soon (Department of Electrical and Electronic Engineering, Yonsei University)
  • Received : 2010.09.03
  • Accepted : 2010.10.11
  • Published : 2011.08.30
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Abstract

In this letter, we propose an overlaid hybrid division duplex (HDD) concept for cellular systems which divides a cell into inner and outer regions and utilizes the merits of both time division duplex (TDD) and frequency division duplex (FDD). The proposed system can take advantage of both TDD and FDD without handover between two duplex schemes. Moreover, it is shown that the proposed HDD system outperforms the conventional TDD or FDD system with mobile relay stations when the synchronization issue is considered in orthogonal frequency division multiple access systems. Thus, the proposed overlaid HDD can be considered as a new framework for future cellular systems.

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References

  1. S.-B. Yun, S.-Y. Park, and Y.-W. Lee, "Hybrid Division Duplex System for Next-Generation Cellular Services," IEEE Trans. Veh. Technol., vol. 56, no. 5, 2007, pp. 3040-3059. https://doi.org/10.1109/TVT.2007.900389
  2. IEEE 802.16j-06/026r4, Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems - Multihop Relay Specification, June 2007.
  3. B. Can et al., "Implementation Issues for OFDM-Based Multihop Cellular Networks," IEEE Commun. Mag., vol. 45, no. 9, 2007, pp. 74-81.
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  5. E. Costa et al., "Duplex Arrangements for Future Broadband Radio Interfaces," IST-2003-507581 WINNER D2.5 v1.0, Oct. 2004.

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