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Three Design Aspects of Multicarrier Interleave Division Multiple Access

Three Design Aspects of Multicarrier Interleave Division Multiple Access,10.1109/TVT.2008.918724,IEEE Transactions on Vehicular Technology,Rong Zhang,

Three Design Aspects of Multicarrier Interleave Division Multiple Access   (Citations: 6)
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This paper presents a novel generalized transceiver architecture, i.e., Multicarrier Interleave-Division-Multiplexing-aided Interleave Division Multiple Access (MC-IDM-IDMA). A parallel interference cancellation (PIC)-aided iterative multiuser detection (MUD) algorithm is introduced, and the convergence behavior of the system is evaluated with the aid of EXtrinsic Information Transfer (EXIT) charts under the assumption of an equal-power multiuser scenario. Three interesting design tradeoffs of the MC-IDM-IDMA system are analyzed: 1) the multiplexing versus diversity tradeoffs; 2) the coding versus spreading tradeoffs, where the achievable bandwidth efficiency of both MC-IDM and MC-IDMA are characterized, and a general design rule is provided for low-rate codes; and 3) the complexity versus performance tradeoffs and the EXIT characteristics of two different MUD algorithms are investigated, leading to a reduced-complexity hybrid MUD.
Journal: IEEE Transactions on Vehicular Technology - IEEE TRANS VEH TECHNOL , vol. 57, no. 6, pp. 3607-3617, 2008
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    • ...The OFDM-IDMA scheme, which employs IDMA instead of CDMA in OFDM-CDMA, inherits many attractive features of well-studied OFDM-CDMA scheme, such as the simple treatment of inter-symbol interference (ISI) and effective mitigation of cross-cell interference (CCI) [2-8]...

    Xingzhong Xionget al. SC-FDMA-IDMA: A Hybrid Multiple Access Scheme for LTE Uplink

    • ...An enlightening tutorial paper about the concept of MC-IDMA can be found in [9] and the employment of the interleave-division concept to both multiplexing as well as to multiple access was characterised in [10] and [11]...
    • ...Focusing on the MUD front-end, the different detection algorithms have diverse EXIT characteristics and hence their superposition allows us to create a combined EXIT curve [11], [15], [16], which closely matches that of the DEC hence a near-capacity operation is facilitated...
    • ...At the left of Fig. 2, which corresponds to the interference-limited region [11], the Bayesian MUD outputs only marginally higher extrinsic information than the...
    • ...Ultimately, these two curves tend to the corresponding singleuser performance, when the effects of interference have been more or less eliminated, corresponding to the noise-limited region [11] at the right of Fig. 2. This leads to the complexit y versus performance tradeoff...

    Rong Zhanget al. EXIT-Chart-Aided Hybrid Multiuser Detector for Multicarrier Interleave...

    • ... an outer rate R =1 /3 repetition coded DS-CDMA system employing user-specific random spreading sequences of length Nc =7 , where the information frame length was Ni = 512 and the number of iterations between the MUD and the soft decoder was set to IIDD =1 0. The outer repetition code employed is known as being capable of generating the highest extrinsic information in interference-limited scenarios compared to other channel codes [8]...

    Rong Zhanget al. Harmony Search Aided Iterative Channel Estimation, Multiuser Detection...

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