Hybrid Delay-Phase Precoding in Wideband UM-MIMO Systems Under True Time Delay and Phase Shifter Hardware Limitations

The exploitation of the substantial bandwidths available in the terahertz (THz) band has recently attracted considerable interest. However, beam squint effect is a significant obstacle in the design of wideband hybrid beamformers. The beam squint effect causes the radiation beam to deviate from the...

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Vydáno v:	IEEE transactions on wireless communications Ročník 23; číslo 7; s. 7246 - 7262
Hlavní autoři:	Najjar, Akram, El-Absi, Mohammed, Kaiser, Thomas
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York IEEE 01.07.2024 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithms alternating minimization Antennas Array signal processing Bandwidth Bandwidths beam squint Beamforming Broadband Convexity Delay effects Delays Design optimization finite-resolution Hardware hybrid precoding Hybrid systems limited-range MIMO communication Phase shifters Power consumption Precoding Systems design Terahertz frequencies THz Time lag TTD UM-MIMO
ISSN:	1536-1276, 1558-2248
On-line přístup:	Získat plný text
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