Wideband Hybrid Precoding Using Time Modulated Arrays
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3014471
Abstract: Hybrid digital-analog precoding is a cost effective solution for transmitting over the large bandwidths and huge antenna arrays available in the millimeter wave frequency bands. In this work we focus on the transmission of wideband… read more here.
Keywords: modulated arrays; time; wideband hybrid; precoding using ... See more keywords
A Study on the Application of Subarrayed Time-Modulated Arrays to MIMO Radar
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2016.2626478
Abstract: A novel application of time-modulated arrays to multiple-input–multiple-output (MIMO) radar is presented and studied. The proposed scheme is to partition the transmit antenna of MIMO radar to a number of time-modulated subarrays that are overlapped.… read more here.
Keywords: mimo radar; time modulated; modulated arrays; radar ... See more keywords
Codesign of Switching Sequence and Diode Parameters for Multiple Pattern Optimization in Time-Modulated Arrays
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2020.3010824
Abstract: An innovative method for the design of time-modulated arrays (TMAs) is presented in this letter. The time-domain switching sequence and the parameters of the radio-frequency diodes implementing the time modulation are simultaneously synthesized in order… read more here.
Keywords: modulated arrays; time; switching sequence; codesign switching ... See more keywords
Precoding for Multiuser Load-Modulated Arrays on the Downlink
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DOI: 10.1109/lcomm.2018.2849079
Abstract: Load-modulated arrays (LMA) use a single central power amplifier (CPA) and tune (modulate) the antenna loads according to the information signal, eliminating the need for traditional RF chains (consisting of DACs, mixers, and filters) at… read more here.
Keywords: precoding multiuser; modulated arrays; power; load modulated ... See more keywords
Security-Enhanced Directional Modulation Symbol Synthesis Using High Efficiency Time-Modulated Arrays
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2023.3305301
Abstract: Time-modulated arrays (TMAs) have been found useful to construct directional modulation (DM) transmitters, offering physical-layer security. Two issues, however, exist in conventional TMA DM, which are high power loss and generation of mirror harmonic frequency… read more here.
Keywords: efficiency; time modulated; time; directional modulation ... See more keywords