A rapid code acquisition scheme for optical CDMA systems

  • Authors:

  • Youngyoon Lee;Dahae Chong;Chonghan Song;Youngpo Lee;Seung Goo Kang;Seokho Yoon

  • Affiliations:

  • School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, Korea

  • Venue:
  • ICCSA'10 Proceedings of the 2010 international conference on Computational Science and Its Applications - Volume Part III
  • Year:
  • 2010

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Abstract

In this paper, we propose a novel code acquisition scheme called modified multiple-shift (MMS) for optical code division multiple access (CDMA) systems. By using the modified local code whose sign is positive or negative, the proposed MMS scheme provides a shorter mean acquisition time (MAT) than the conventional multiple-shift (MS) scheme. The simulation results demonstrate that the MAT of the MMS scheme is shorter than that of the MS scheme in both single-user and multi-user environments.