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A User-Data Division Multiple Access Scheme

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Multimedia and Ubiquitous Engineering

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 240))

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Abstract

The conventional Interleave Division Multiple Access (IDMA) employs interleavers to separate users, while the conventional Code Division Multiple Access (CDMA) uses user specific spreading sequences for user separation. In this paper, we propose a User-Data Division Multiple Access (UDMA) scheme that employs user data as the spreading sequence for user separation with chip-by-chip iterative multiuser detection strategy. As such, this spreading sequence is not only as random as user data and independent of current symbols, but also dynamically changes from one symbol to another according to the user data. Therefore, this spreading sequence makes unwanted detection of the data by unintended receivers practically impossible. Also, in UDMA, identical interleavers are used and thus do not require to store all interleaving patterns. The simulation results show that the proposed scheme is superior to the bit error rate (BER) performance of the system in flat fading channel.

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References

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Author information

Authors and Affiliations

  1. Department of Information and Communications Engineering, Pukyong National University, Busan, Korea

    P. Niroopan, K. Bandara & Yeon-ho Chung

Authors
  1. P. Niroopan
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  2. K. Bandara
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  3. Yeon-ho Chung
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Corresponding author

Correspondence to Yeon-ho Chung .

Editor information

Editors and Affiliations

  1. Department of Computer Science and Engineering, Seoul University of Science & and Technology (SeoulTech), Seoul, Korea, Republic of (South Korea)

    James J. (Jong Hyuk) Park

  2. Dept of Computer Science, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR

    Joseph Kee-Yin Ng

  3. Humanitas College, Kyung Hee University, Seoul, Korea, Republic of (South Korea)

    Hwa-Young Jeong

  4. School of Computer Science and Software Engineering, Monash University, Clayton, Victoria, Australia

    Borgy Waluyo

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© 2013 Springer Science+Business Media Dordrecht(Outside the USA)

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Niroopan, P., Bandara, K., Chung, Yh. (2013). A User-Data Division Multiple Access Scheme. In: Park, J., Ng, JY., Jeong, HY., Waluyo, B. (eds) Multimedia and Ubiquitous Engineering. Lecture Notes in Electrical Engineering, vol 240. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6738-6_104

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  • DOI: https://doi.org/10.1007/978-94-007-6738-6_104

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  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-007-6737-9

  • Online ISBN: 978-94-007-6738-6

  • eBook Packages: EngineeringEngineering (R0)

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