COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND TRANSMISSION RANK SWITCHING METHOD

A communication apparatus that communicates with a terminal device using a multi-input multi-output (MIMO) data transfer method includes: a memory; and a processor coupled to the memory and configured to: estimate a reception signal to interference ratio (SIR) of a wireless propagation path between...

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Bibliographic Details
Main Authors JITSUKAWA, Daisuke, SATO, Kazuto, HOSOKAWA, Shin, EZAKI, Takato
Format Patent
LanguageEnglish
Published 23.05.2024
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:A communication apparatus that communicates with a terminal device using a multi-input multi-output (MIMO) data transfer method includes: a memory; and a processor coupled to the memory and configured to: estimate a reception signal to interference ratio (SIR) of a wireless propagation path between the communication apparatus and the terminal device; acquire an SIR offset value for a transmission rank based on a state of occurrence of transfer errors; and switch the transmission rank based on the reception SIR and an SIR offset value for the transmission rank.
Bibliography:Application Number: US202318234200