METHOD FOR ENABLING EFFICIENT MIMO PROCESSING FOR O-RAN FRONTHAUL INTERFACE IN CLOUD RAN SYSTEMS

A method of generating and applying combining weights to Physical Uplink Shared Channel (PUSCH) symbols for Open Radio Access Network (O-RAN) fronthaul interface between O-RAN radio unit (O-RU) and O-RAN distributed unit (O-DU) includes: calculating, by the O-DU, a codebook; sending, by the O-DU, th...

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Main Authors RAJAGOPAL, Sridhar, AHMED, Wessam Afifi, MAENG, Sung Joon, NAM, Young-Han
Format Patent
LanguageEnglish
French
German
Published 01.05.2024
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Abstract A method of generating and applying combining weights to Physical Uplink Shared Channel (PUSCH) symbols for Open Radio Access Network (O-RAN) fronthaul interface between O-RAN radio unit (O-RU) and O-RAN distributed unit (O-DU) includes: calculating, by the O-DU, a codebook; sending, by the O-DU, the codebook to O-RU; generating, by the O-RU, an RU combiner matrix, using the codebook; applying, by the O-RU, the RU combiner matrix to In-phase and Quadrature (IQ) data to generate compressed IQ data; sending, by the O-RU, the compressed IQ data to O-DU; calculating, by the O-DU, a DU combiner matrix from compressed demodulation reference signal (DMRS) ; and applying, by the O-DU, the DU combiner matrix to data.
AbstractList A method of generating and applying combining weights to Physical Uplink Shared Channel (PUSCH) symbols for Open Radio Access Network (O-RAN) fronthaul interface between O-RAN radio unit (O-RU) and O-RAN distributed unit (O-DU) includes: calculating, by the O-DU, a codebook; sending, by the O-DU, the codebook to O-RU; generating, by the O-RU, an RU combiner matrix, using the codebook; applying, by the O-RU, the RU combiner matrix to In-phase and Quadrature (IQ) data to generate compressed IQ data; sending, by the O-RU, the compressed IQ data to O-DU; calculating, by the O-DU, a DU combiner matrix from compressed demodulation reference signal (DMRS) ; and applying, by the O-DU, the DU combiner matrix to data.
Author MAENG, Sung Joon
AHMED, Wessam Afifi
RAJAGOPAL, Sridhar
NAM, Young-Han
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DocumentTitleAlternate VERFAHREN ZUR ERMÖGLICHUNG EINER EFFIZIENTEN MIMO-VERARBEITUNG FÜR EINE O-RAN-FRONTHAUL-SCHNITTSTELLE IN CLOUD-RAN-SYSTEMEN
PROCÉDÉ POUR PERMETTRE UN TRAITEMENT MIMO EFFICACE POUR INTERFACE FRONTHAUL O-RAN DANS DES SYSTÈMES RAN EN NUAGE
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Snippet A method of generating and applying combining weights to Physical Uplink Shared Channel (PUSCH) symbols for Open Radio Access Network (O-RAN) fronthaul...
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ELECTRICITY
TRANSMISSION
Title METHOD FOR ENABLING EFFICIENT MIMO PROCESSING FOR O-RAN FRONTHAUL INTERFACE IN CLOUD RAN SYSTEMS
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