EESM-log-AR: an efficient error model for OFDM MIMO systems over time-varying channels
EESM-log-AR: an efficient error model for OFDM MIMO systems over time-varying channels
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EESM-log-AR:时变信道上 OFDM MIMO 系统的有效误差模型
DOI:
10.1145/3460797.3460800
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Henderson, Thomas R.
中科院分区:
文献类型:
--
作者:
Jin, Sian;Roy, Sumit;Henderson, Thomas R.
Packet-level network simulators such as ns-3 rely on efficient PHY layer abstraction represented by the packet error model for estimating link performance. For complex PHY layer designs - such as operating over frequency-selective MIMO wireless channels - the runtime of the state-of-the-art error model suggested by Task Group of IEEE 802.11ax (TGax) suffers from scaling with MIMO dimensionality and bandwidth. While our prior work proposes a runtime-efficient error model in the context of Independent and Identically Distributed (IID) frequency-selective MIMO channels, here we consider the time-varying frequency-selective MIMO channels thatcorrelate over time.Our new error model is based on the insight that our previous workflow for the IID channel scenario can be extended using autoregressive modeling to the time-correlated case. We validate the hypothesis via link simulation campaigns and show that the runtime and storage complexity of the proposed error model is low compared to existing error models.
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DOI:
--
发表时间:
2020
期刊:
ICC 2020 - 2020 IEEE International Conference on Communications (ICC)
影响因子:
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--
发表时间:
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期刊:
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影响因子:
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