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We present a novel hybrid beamforming architecture for high speed 5G technologies. The architecture combines several new concepts to achieve significant hardware and cost reduction for large antenna arrays. Specifically, we employ an on-site code division multiplexing scheme to group several antenna elements into a single analog-to-digital converter (ADC). This approach significantly reduces analog hardware and power requirements by a factor of 8 to 32. Additionally, we employ a novel analog frequency independent beamforming scheme to eliminate phase shifters altogether and allow for coherent combining at the analog front-end. This approach avoids traditional phase-shifter-based approaches typically associated with bulky and inefficient components. Preliminary analysis shows that for an array of 800 elements, as much as 97% reduction in cost and power is achieved using the hybrid beamformer as compared to conventional beamformer systems.
John L. VOLAKIS
Florida International University
Rimon HOKAYEM
Florida International University
Satheesh Bojja VENKATAKRISHNAN
Florida International University
Elias A. ALWAN
Florida International University
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John L. VOLAKIS, Rimon HOKAYEM, Satheesh Bojja VENKATAKRISHNAN, Elias A. ALWAN, "Low Power and Reduced Hardware UWB Beamformers for Future 5G Communications" in IEICE TRANSACTIONS on Communications,
vol. E102-B, no. 2, pp. 166-173, February 2019, doi: 10.1587/transcom.2018ISI0003.
Abstract: We present a novel hybrid beamforming architecture for high speed 5G technologies. The architecture combines several new concepts to achieve significant hardware and cost reduction for large antenna arrays. Specifically, we employ an on-site code division multiplexing scheme to group several antenna elements into a single analog-to-digital converter (ADC). This approach significantly reduces analog hardware and power requirements by a factor of 8 to 32. Additionally, we employ a novel analog frequency independent beamforming scheme to eliminate phase shifters altogether and allow for coherent combining at the analog front-end. This approach avoids traditional phase-shifter-based approaches typically associated with bulky and inefficient components. Preliminary analysis shows that for an array of 800 elements, as much as 97% reduction in cost and power is achieved using the hybrid beamformer as compared to conventional beamformer systems.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2018ISI0003/_p
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@ARTICLE{e102-b_2_166,
author={John L. VOLAKIS, Rimon HOKAYEM, Satheesh Bojja VENKATAKRISHNAN, Elias A. ALWAN, },
journal={IEICE TRANSACTIONS on Communications},
title={Low Power and Reduced Hardware UWB Beamformers for Future 5G Communications},
year={2019},
volume={E102-B},
number={2},
pages={166-173},
abstract={We present a novel hybrid beamforming architecture for high speed 5G technologies. The architecture combines several new concepts to achieve significant hardware and cost reduction for large antenna arrays. Specifically, we employ an on-site code division multiplexing scheme to group several antenna elements into a single analog-to-digital converter (ADC). This approach significantly reduces analog hardware and power requirements by a factor of 8 to 32. Additionally, we employ a novel analog frequency independent beamforming scheme to eliminate phase shifters altogether and allow for coherent combining at the analog front-end. This approach avoids traditional phase-shifter-based approaches typically associated with bulky and inefficient components. Preliminary analysis shows that for an array of 800 elements, as much as 97% reduction in cost and power is achieved using the hybrid beamformer as compared to conventional beamformer systems.},
keywords={},
doi={10.1587/transcom.2018ISI0003},
ISSN={1745-1345},
month={February},}
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TY - JOUR
TI - Low Power and Reduced Hardware UWB Beamformers for Future 5G Communications
T2 - IEICE TRANSACTIONS on Communications
SP - 166
EP - 173
AU - John L. VOLAKIS
AU - Rimon HOKAYEM
AU - Satheesh Bojja VENKATAKRISHNAN
AU - Elias A. ALWAN
PY - 2019
DO - 10.1587/transcom.2018ISI0003
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E102-B
IS - 2
JA - IEICE TRANSACTIONS on Communications
Y1 - February 2019
AB - We present a novel hybrid beamforming architecture for high speed 5G technologies. The architecture combines several new concepts to achieve significant hardware and cost reduction for large antenna arrays. Specifically, we employ an on-site code division multiplexing scheme to group several antenna elements into a single analog-to-digital converter (ADC). This approach significantly reduces analog hardware and power requirements by a factor of 8 to 32. Additionally, we employ a novel analog frequency independent beamforming scheme to eliminate phase shifters altogether and allow for coherent combining at the analog front-end. This approach avoids traditional phase-shifter-based approaches typically associated with bulky and inefficient components. Preliminary analysis shows that for an array of 800 elements, as much as 97% reduction in cost and power is achieved using the hybrid beamformer as compared to conventional beamformer systems.
ER -