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Programmable ASIPs for Multimode MIMO Transceiver

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Abstract

Application specific instruction-set processors (ASIP) are a programmable and flexible alternative of traditional finite state machine (FSM) controlled register-transfer level (RTL) designs for multimode basedband systems. In this paper, we present two ASIPs for small scale multiple-input multiple-output (MIMO) wireless communication systems that demonstrate the soundness and effectiveness of ASIPs for this type of applications. The first ASIP is programmed with multiple MIMO symbol detection algorithms for 4 × 4 systems. The supported detection algorithms are minimum mean-square error (MMSE), two variants of the selective spanning with fast enumeration (SSFE) and K-best list sphere detection (LSD). The second ASIP supports MMSE and zero-forcing dirty paper coding (ZF-DPC) algorithms for a base station (BS) with 4 antennas and for 4 users. Both ASIPs are based on transport triggered architecture (TTA) and are programmed with a retargetable compiler with high level language to meet the time-to-market requirements. The detection and precoding algorithms can be switched in the respective ASIPs based on the error-rate requirements. Depending on the algorithms, MIMO detection ASIP delivers 6.16–66.66 Mbps throughput at a clock frequency of 200 MHz on 90 nm technology. The precoder ASIP provides a throughput of 52.17 and 51.95 Mbps for MMSE and ZF-DPC precoding respectively at a clock frequency of 210 MHz on 90 nm technology.

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Acknowledgments

The research is supported by Academy of Finland and 5G Communication with a Heterogeneous, Agile Mobile network in the Pyeongchang winter Olympic competition (5G CHAMPION) project.

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Authors and Affiliations

  1. Center for Wireless Communications, University of Oulu, Oulu, 90570, Finland

    Shahriar Shahabuddin & Markku Juntti

  2. Department of Computer Science and Engineering, University of Oulu, Oulu, 90570, Finland

    Olli Silvén

Authors
  1. Shahriar Shahabuddin
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  2. Olli Silvén
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  3. Markku Juntti
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Correspondence to Shahriar Shahabuddin.

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Shahabuddin, S., Silvén, O. & Juntti, M. Programmable ASIPs for Multimode MIMO Transceiver. J Sign Process Syst 90, 1369–1381 (2018). https://doi.org/10.1007/s11265-018-1341-3

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  • DOI: https://doi.org/10.1007/s11265-018-1341-3

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