MIMO Receiver with Reduced Number of RF Chains Based on 4D Array and Software Defined Radio. Bogdan, G., Godziszewski, K., & Yashchyshyn, Y. In 2019 27th European Signal Processing Conference (EUSIPCO), pages 1-5, Sep., 2019.
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Paper doi abstract bibtex
Paper doi abstract bibtex Multiple-input multiple-output (MIMO) technique is expected to be extensively used in future wireless systems to increase capacity of wireless channels. Nevertheless, the capacity gain comes with a cost. In particular, multiple analog radio frequency (RF) chains are required at both the transmitter and the receiver, thereby leading to a higher implementation cost, more power consumption, and lower energy efficiency. This paper presents a receiver with only one RF chain for 2 × 2 MIMO transmission system. Proposed design is based on a time modulated antenna array (TMAA) with beam-steering functionality and a wideband software defined radio (SDR). Spatial streams were created by demultiplexing spectral components (sidebands) generated by periodical ON/OFF switching. Number of RF chains was reduced from 2 to 1 while maintaining sufficiently low correlation of spatial streams, which is required to perform MIMO transmission. Feasibility of proposed technique is evaluated by means of experimental verification.
@InProceedings{8903017,
author = {G. Bogdan and K. Godziszewski and Y. Yashchyshyn},
booktitle = {2019 27th European Signal Processing Conference (EUSIPCO)},
title = {MIMO Receiver with Reduced Number of RF Chains Based on 4D Array and Software Defined Radio},
year = {2019},
pages = {1-5},
abstract = {Multiple-input multiple-output (MIMO) technique is expected to be extensively used in future wireless systems to increase capacity of wireless channels. Nevertheless, the capacity gain comes with a cost. In particular, multiple analog radio frequency (RF) chains are required at both the transmitter and the receiver, thereby leading to a higher implementation cost, more power consumption, and lower energy efficiency. This paper presents a receiver with only one RF chain for 2 × 2 MIMO transmission system. Proposed design is based on a time modulated antenna array (TMAA) with beam-steering functionality and a wideband software defined radio (SDR). Spatial streams were created by demultiplexing spectral components (sidebands) generated by periodical ON/OFF switching. Number of RF chains was reduced from 2 to 1 while maintaining sufficiently low correlation of spatial streams, which is required to perform MIMO transmission. Feasibility of proposed technique is evaluated by means of experimental verification.},
keywords = {antenna arrays;beam steering;demultiplexing;MIMO communication;radio receivers;software radio;wireless channels;MIMO receiver;RF chains reduced number;4D antenna array;multiple-input multiple-output;power consumption;energy efficiency;time modulated antenna array;beam-steering functionality;demultiplexing spectral component;spatial streams correlation;software defined radio;TMAA;wideband SDR;MIMO communication;Amplitude modulation;Frequency modulation;Radio frequency;Receivers;Wireless communication;Antenna arrays;antenna array;adaptive antenna;4D array;time modulated antenna array;beam-steering;multiple-input multiple-output},
doi = {10.23919/EUSIPCO.2019.8903017},
issn = {2076-1465},
month = {Sep.},
url = {https://www.eurasip.org/proceedings/eusipco/eusipco2019/proceedings/papers/1570524431.pdf},
}Downloads: 0
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