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Efficient PHY Layer Abstraction for Fast Simulations in Complex System Environments
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DOI：10.1109/TCOMM.2021.3079285.png)
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摘要
En 中文
Packet-level wireless (802.11ax or 5G) network simulators face escalating system dimensionality resulting from dense deployment scenarios supporting wideband, Multi-Input Multi-Output (MIMO), Multi-User (MU) transmission. Managing the resulting network simulation complexity and achieving practical runtimes require continuing enhancements to physical (PHY) layer abstractions. This work improves the state-of-the-art PHY layer abstractions via a new computational workflow that maps extensive offline link simulation results for OFDM/OFDMA MIMO/MU-MIMO system performance over frequency-selective fading channels into Packet Error Ratio (PER) for network simulations. The proposed method is shown to require modest additional storage and the runtime is insensitive to the increase in PHY layer dimensionality. We describe the principles of this new method and provide details about its implementation, performance, and validation.
Keyword:
Signal to noise ratio
Interference
MIMO communication
OFDM
Runtime
Computational modeling
Tuning
Communication system modeling
fast simulations
software verification
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期刊
IF:
8.3
论文数:
1.2W
被引数:
3.6W
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