Iterative propagation delay estimation for asynchronous direct-sequence code division multiple access communication systems

Keun C. Hong, Hongya Ge, Kun Wang

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

In this paper, we propose a centralized iterative time delay estimation scheme for asynchronous DS-CDMA communication systems. The proposed algorithm utilizes known training sequences and signatures for all multiple-access users to get the initial estimates of time delays. After that, the K-1 interfering signals are reconstructed with the estimated parameters and remove from the received data. Refined estimate of a desired user's time delay is then obtained from the residual data. The estimation accuracy of the proposed algorithm is close to the centralized Cramer-Rao Bound (CRB) after only one iteration.

Original languageEnglish (US)
Pages292-295
Number of pages4
StatePublished - 2000
Event2000 IEEE 6th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2000) - Parsippany, NJ, USA
Duration: Sep 6 2000Sep 8 2000

Other

Other2000 IEEE 6th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2000)
CityParsippany, NJ, USA
Period9/6/009/8/00

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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