The TD-CDMA based UTRA TDD mode

  • Authors:
  • M. Haardt;A. Klein;R. Koehn;S. Oestreich;M. Purat;V. Sommer;T. Ulrich

  • Affiliations:
  • Siemens AG, Munich;-;-;-;-;-;-

  • Venue:
  • IEEE Journal on Selected Areas in Communications
  • Year:
  • 2006

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Abstract

The third-generation mobile radio system UTRA that has been specified in the Third Generation Partnership Project (3GPP) consists of an FDD and a TDD mode. This paper presents the UTRA TDD mode, which is based on TD-CDMA. Important system features are explained in detail. Moreover, an overview of the system architecture and the radio interface protocols is given. Furthermore, the physical layer of UTRA TDD is explained, and the protocol operation is described