Multiuser interference cancellation with a two-dimensional RAKE receiver for DS/CDMA communications

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Abstract

Multiuser detection is a key method to combat the near-far problem, among which a popular category is the interference cancellation (IC) receiver. IC receivers have been shown to be near - far resistant and can be used to increase the capacity of the system significantly. In this paper, to further enhance the anti-fading technique of DS/CDMA schemes in mobile radio communication systems, a two-dimensional RAKE reception (2D-RAKE) scheme employing a blind adaptive antenna array is considered. In the 2D RAKE receiver, the antenna array is combined with the conventional RAKE receiver. We will investigate the performance of two types of IC receiver: Parallel Interference Cancellation (PIC) and Serial Interference Cancellation (SIC), with the 2D-RAKE. This paper will show that the received signals in the reverse link can be relieved from multipath fading by means of combining interference cancellation and 2D-RAKE reception.

Original languageEnglish
Pages (from-to)1110-1114
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume2
Publication statusPublished - 1 Jan 2000
EventVTC2000: 51st Vehicular Technology Conference 'Shaping History Through Mobile Technologies' - Tokyo, Jpn
Duration: 15 May 200018 May 2000

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ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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