Achievable Rate Analysis on Massive MIMO-OFDM Systems with Low-resolution ADC

Cheng TAO; Wenbo ZHENG; Yongzhi LI; Liu LIU

doi:10.11999/JEIT180088

Volume 40 Issue 10

Sep. 2018

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Cheng TAO, Wenbo ZHENG, Yongzhi LI, Liu LIU. Achievable Rate Analysis on Massive MIMO-OFDM Systems with Low-resolution ADC[J]. Journal of Electronics & Information Technology, 2018, 40(10): 2294-2300. doi: 10.11999/JEIT180088

Citation:

Cheng TAO, Wenbo ZHENG, Yongzhi LI, Liu LIU. Achievable Rate Analysis on Massive MIMO-OFDM Systems with Low-resolution ADC[J]. Journal of Electronics & Information Technology, 2018, 40(10): 2294-2300. doi: 10.11999/JEIT180088

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Achievable Rate Analysis on Massive MIMO-OFDM Systems with Low-resolution ADC

doi: 10.11999/JEIT180088

Cheng TAO^{1, 2
,
,},
Wenbo ZHENG¹,
Yongzhi LI¹,
Liu LIU^{1, 2}

1.
Institute of Broadband Wireless Mobile Communications, Beijing Jiaotong University, Beijing 100044, China
2.
National Mobile Communications Research Laboratory, Southeast University, Nanjing 211189, China

Funds: Beijing Nova Programme (Z161100004916068), The National Natural Science Foundation of China (61471027), The Research Fund of National Mobile Communications Research Laboratory, Southeast University (2014D05, 2017D01), Beijing Natural Science Foundation (4152043)

Received Date: 2018-01-23
Rev Recd Date: 2018-06-21

Available Online: 2018-07-13

Publish Date: 2018-10-01

Abstract

Abstract

The achievable rate performance for the massive MIMO-OFDM system is investigated, where each antenna is equipped with low-resolution Analog-to-Digital Converters (ADC) and the Maximum Ratio Combining (MRC) receiver is assumed to be employed. The closed-form expression for the uplink achievable rate is firstly derived by using the Additive Quantization Noise Model (AQNM) model, which reforms the nonlinear quantization function into a linear one. Then the performance between the low-resolution quantization system and the conventional system with infinite resolution ADCs is compared based on the derived closed-form expression. Simulation results are presented to verify the analytical results. In addition, it is illustrated that the performance loss of using low-resolution ADCs can be compensated for by deploying more antennas at the base station.
- MIMO-OFDM,
- Low-resolution Analog-to-Digital Converters (ADC),
- Additive Quatization Noise Model (AQNM),
- Achievable rate

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References(17)

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