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Outage probability analysis for superposition coded symmetric relaying

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Abstract

Superposition coded symmetric relaying is a bandwidth-efficient cooperative scheme where each source node simultaneously transmits both its own “local” packet and “relay” packet that originated at its partner by adding the modulated local and relay signals in Euclidean space. This paper investigates the power allocation and outage probability of a superposition coded symmetric relaying system with finite-constellation signaling. We first derive the mutual information (MI) metrics for the system. The derived MI metrics consist of two parts: one represents the MI conveyed by the modulated signal corresponding to its own data, and the other represents the MI conveyed by the modulated signal corresponding to its partner’s data. Using MI based effective signal-to-noise ratio mapping technique, we attain expressions for the outage probability. Furthermore, we discuss power allocation policies that minimize the outage probability. Simulation results are presented to verify the correctness of the outage probability analysis and the benefits of the power allocation.

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References

  1. Larsson G E, Vojcic B R. Cooperative transmit diversity based on superposition modulation. IEEE Commun Lett, 2005, 9: 778–780

    Article  Google Scholar 

  2. Xiao L, Fuja T E, Kliewer J, et al. Error performance analysis of signal superposition coded cooperative diversity. IEEE Trans Commun, 2009, 57: 3123–3131

    Article  Google Scholar 

  3. Yang T, Yuan J. Iterative decoding for superposition modulation-based cooperative transmission. In: Proc. IEEE International Symposium on Information Theory, Seoul, 2009. 689–693

  4. Krikidis I. Analysis and optimization issues for superposition modulation in cooperative networks. IEEE Trans Veh Technol, 2009, 58: 4837–4847

    Article  Google Scholar 

  5. Ishii K. Superposition modulated cooperative diversity for half-duplex scenario. J Commun, 2007, 2: 20–27

    Google Scholar 

  6. Li Y, Ryan W E. Mutual-information-based adaptive bit-loading algorithms for LDPC-coded OFDM. IEEE Trans Wirel Commun, 2007, 6: 1670–1680

    Article  Google Scholar 

  7. Jensen T L, Kant S, Wehinger J, et al. Fast link adaption for MIMO OFDM. IEEE Trans Veh Technol, 2010, 59: 3766–3778

    Article  Google Scholar 

  8. Cover T M, Thomas J A. Elements of Information Theory. New York: John Wiley and Sons, Inc, 1991

    Book  MATH  Google Scholar 

  9. Khormuji M N, Larsson G E. Cooperative transmission based on decode-and-forward relaying with partial repetition coding. IEEE Trans Wirel Commun, 2009, 8: 1716–1725

    Article  Google Scholar 

  10. Sayana K, Zhuang J, Stewart K. Short term link performance modeling for ML receivers with mutual information per bit metrics. In: Proc. IEEE Global Telecommunications Conference, New Orleans, 2008. 1–6

  11. Lei W, Shiauhe T, Almgren M. A fading-insensitive performance metric for a unified link quality model. In: Proc. IEEE Wireless Communications and Networking Conference, Las Vegas, 2006. 2110–2114

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Correspondence to Yi Wu.

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Wu, Y., Zheng, M., Fei, Z. et al. Outage probability analysis for superposition coded symmetric relaying. Sci. China Inf. Sci. 56, 1–9 (2013). https://doi.org/10.1007/s11432-013-4802-0

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  • DOI: https://doi.org/10.1007/s11432-013-4802-0

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