BER and Error-Floor Calculation for Multi-Access PCTH

Abstract

Pseudo-chaotic time hopping (PCTH) is a recently proposed modulation scheme for UWB impulse radio. PCTH exploits concepts from symbolic dynamics to generate aperiodic spreading sequences. In this paper, we present a general analytical expression for the average BER (bit-error-rate) of synchronous multi-access PCTH system, as a function of the cross-correlation between the users' signatures in an AWGN (additive white Gaussian noise) channel. Also, it is shown that with enough users an error floor in the BER can develop.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2002
Accession Number
ADA414339

Entities

People

  • David Laney
  • Gian M. Maggio
  • Lawrence Larson

Organizations

  • University of California, San Diego

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Chaotic Modulation
  • Communication Systems
  • Cross Correlation
  • Detectors
  • Digital Information
  • Dynamics
  • Modulation
  • Modulators
  • Multiple Access
  • Noise
  • Probability
  • Pulse Position Modulation
  • Sequences
  • Shift Registers
  • Simulations
  • Transmitting
  • Wireless Communications

Fields of Study

  • Computer science

Readers

  • Radio communications and signal processing.