Analog Beamforming Signal Alignment for Wireless Data Transmission
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently transmitting and receiving data signals between user equipment and base stations using analog beamforming, leading to reliability issues.
Innovation Solution
A method and apparatus for determining and using optimum transmission and reception beams between user equipment and base stations, where the user equipment receives information about the transmission beam from the base station and adjusts its reception beam accordingly, enabling reliable data transmission and acknowledgment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If analog beamforming is used for data signal transmission between base station and user equipment, then directional communication capability is improved, but transmission reliability deteriorates due to beam misalignment
Solution Approach 1:
The base station transmits beam indication information to the user equipment in advance before actual data transmission. This preliminary action allows the user equipment to pre-configure its reception beam based on the indicated transmission beam, ensuring proper beam alignment is established before data signals are exchanged, thereby preventing beam misalignment issues
Solution Approach 2:
The system implements beam indication feedback mechanism where the base station provides beam indication information to the user equipment, and the user equipment responds by configuring its reception beam accordingly. This feedback loop ensures that both parties are synchronized in their beam configurations, maintaining reliable communication
2Adaptability or versatility
If beam indication information is transmitted through PDCCH corresponding to PDSCH, then control and data transmission are integrated, but timing synchronization becomes more complex
Solution Approach 1:
The beam indication information is transmitted in the PDCCH in advance of the PDSCH data transmission. This preliminary transmission of control information allows the user equipment to prepare its reception beam configuration before the actual data arrives, simplifying timing synchronization by establishing beam alignment beforehand rather than requiring complex simultaneous coordination
Solution Approach 2:
The system dynamically associates beam indication information with corresponding data transmissions through the PDCCH-PDSCH linkage. The beam indication can be adaptively updated for each scheduling instance, allowing the system to respond to changing channel conditions while maintaining integrated control and data transmission
Data Source
AI summary
Disclosed are a method for transmitting/receiving a data signal between a base station and a terminal, and an apparatus supporting the same. More particularly, the present invention provides a method for reliably transmitting/receiving a data signal between a terminal and a base station when the data signal transmission/reception between the terminal and the base station is performed according to an analog beamforming method, and apparatuses supporting the same.