articleIEEE Transactions on Signal ProcessingMar 19, 2008Closed access

Novel Low-Density Signature for Synchronous CDMA Systems Over AWGN Channel

RHReza HoshyarFPFerry P. WathanRTRahim Tafazolli

University of Surrey

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Abstract

Novel low-density signature (LDS) structure is proposed for transmission and detection of symbol-synchronous communication over memoryless Gaussian channel. Given N as the processing gain, under this new arrangement, users' symbols are spread over N chips but virtually only d v c

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Topics & keywords

Topics
Keywords
  • Additive white Gaussian noise
  • Multiuser detection
  • Algorithm
  • Code division multiple access
  • Computer science
  • Channel (broadcasting)
  • Decoding methods
  • Chip
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