Samsung electronics co., ltd. (20240333361). HIERARCHICAL BEAMFORMING AND RECIPROCITY CALIBRATION FOR HYBRID MIMO SYSTEMS simplified abstract
Contents
HIERARCHICAL BEAMFORMING AND RECIPROCITY CALIBRATION FOR HYBRID MIMO SYSTEMS
Organization Name
Inventor(s)
Chance Anthony Tarver of Arlington TX (US)
Shadi Abu-surra of Plano TX (US)
Won Suk Choi of McKinney TX (US)
Young Han Nam of Plano TX (US)
Jianzhong Zhang of Dallas TX (US)
HIERARCHICAL BEAMFORMING AND RECIPROCITY CALIBRATION FOR HYBRID MIMO SYSTEMS - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240333361 titled 'HIERARCHICAL BEAMFORMING AND RECIPROCITY CALIBRATION FOR HYBRID MIMO SYSTEMS
The abstract describes a hybrid MIMO system with digital transceiver chains and analog beamformers, each connected to one another. A processor is linked to a calibration transceiver, the transceiver chains, and the beamformers. The processor measures phase and magnitude responses of the reference nodes, applies reciprocity calibration based on the differences, and corrects stored beam definitions.
- The system includes n digital transceiver chains and n analog beamformers.
- Each analog beamformer is connected to a digital transceiver chain and consists of m analog transmitter and receiver chains.
- The processor measures phase and magnitude responses of reference nodes using a calibration transceiver.
- Reciprocity calibration is applied based on the differences in phase and magnitude responses.
- The calibration corrects stored beam definitions for phase and magnitude differences.
Potential Applications: - Wireless communication systems - Radar systems - Satellite communication systems
Problems Solved: - Correcting phase and magnitude differences in MIMO systems - Improving signal quality and reliability
Benefits: - Enhanced performance of MIMO systems - Increased data transmission rates - Improved signal accuracy and reliability
Commercial Applications: Title: Advanced MIMO Calibration System for Enhanced Wireless Communication This technology can be used in telecommunications, aerospace, defense, and IoT industries. It can improve the efficiency and reliability of wireless communication systems, leading to better connectivity and data transfer speeds.
Questions about the technology: 1. How does the reciprocity calibration process improve the performance of the MIMO system? 2. What are the key advantages of using analog beamformers in conjunction with digital transceiver chains?
Original Abstract Submitted
a hybrid mimo system comprises n digital transceiver chains and n analog beamformers, each coupled to one of the digital transceiver chains and comprising m analog transmitter (tx) chains and m analog receiver (rx) chains. one of the analog rx chains is an rx reference node and one of the analog tx chains is a tx reference node. a processor is coupled to a calibration transceiver, the transceiver chains, and the beamformers. for each beamformer the processor measures, using the corresponding transceiver chain and the calibration transceiver, tx and rx phase responses and tx and rx magnitude responses of the tx and rx reference nodes, respectively, determines a reciprocity calibration based on a phase difference between the tx and rx phase responses and a magnitude difference between the tx and rx magnitude responses, and applies the reciprocity calibration to stored beam definitions to correct for the phase and magnitude differences.
