Matrix Unimodular Precoder Interpolation for MIMO-OFDM Wireless Communication Systems

Unitary precoding is an essential step in multiple-input multiple-output (MIMO) wireless systems. For wideband systems that employ OFDM, precoders are typically fed back for a few subcarriers and interpolated in the frequency domain. This does not scale well for wideband (5G/6G) systems since feedba...

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Bibliographic Details
Published in:	IEEE communications letters Vol. 27; no. 11; pp. 3038 - 3042
Main Authors:	Mehta, Parth, Appaiah, Kumar, Velmurugan, Rajbabu, Pal, Debasattam
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.11.2023 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Broadband Filter design (mathematics) Interpolation matrix all-pass MIMO communication Orthogonal Frequency Division Multiplexing Precoding Time-domain analysis Transmitters Wideband Wireless communication Wireless communication systems
ISSN:	1089-7798, 1558-2558
Online Access:	Get full text
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