Linearization of Active Transmitter Arrays in Presence of Antenna Crosstalk for 5G Systems

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Abstrakt

—By the increased number of antennas and power amplifiers connected to each in 5G system, the linearization methods like Digital Pre-Distortion (DPD) of each power amplifier is inefficient due to antenna imperfections such as crosstalk. Furthermore due to limited area the distance between antennas in array can vary, which leads to unwanted coupling between antennas. A solution to this problem can be treating the amplifiers and antennas as one system and linearizing the main beam signal at receiver rather than on each single power amplifier. In the work described in this paper the whole system including amplifiers, antennas and receiver is treated as a 2-ports system and the impacts of above mentioned constraints are investigated.
OriginalsprogEngelsk
Titel2019 IEEE Nordic Circuits and Systems Conference (NORCAS): NORCHIP and International Symposium of System-on-Chip (SoC) : NORCHIP and International Symposium of System-on-Chip, SoC 2019 - Proceedings
RedaktørerJari Nurmi, Peeter Ellervee, Kari Halonen, Juha Roning
Antal sider5
ForlagIEEE
Publikationsdatookt. 2019
Artikelnummer8906927
ISBN (Trykt)978-1-7281-2769-9, 978-1-7281-2770-5
ISBN (Elektronisk)978-1-7281-2769-9
DOI
StatusUdgivet - okt. 2019
Begivenhed2019 IEEE Nordic Circuits and Systems Conference (NORCAS): NORCHIP and International Symposium of System-on-Chip (SoC) - Helsinki, Finland
Varighed: 29 okt. 201930 okt. 2019

Konference

Konference2019 IEEE Nordic Circuits and Systems Conference (NORCAS): NORCHIP and International Symposium of System-on-Chip (SoC)
LandFinland
ByHelsinki
Periode29/10/201930/10/2019

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