User Equipment Full-Duplex Handling of Same-Symbol Direction Conflicts
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Solution Overview
Problem
Transmission direction conflicts in wireless communications systems lead to higher latency and decreased throughput due to the dropping of messages when conflicts occur between uplink and downlink transmissions in the same symbol.
Innovation Solution
Implementing full-duplexing rules at the user equipment (UE) to manage transmission direction conflicts by allowing transmissions to proceed in symbols where conflicts would otherwise result in dropping, based on configurations from the base station.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transmission dropping rules are applied to resolve transmission direction conflicts, then interference between uplink and downlink transmissions is avoided, but latency increases and throughput decreases due to message drops
Solution Approach 1:
The patent changes the operational parameters of the transmission system by introducing full-duplexing rules that allow simultaneous uplink and downlink transmissions in the same symbol. This parameter change enables the system to transition from half-duplex operation (where transmissions must be dropped) to full-duplex operation (where concurrent transmissions are permitted), thereby reducing message drops and latency while maintaining transmission reliability through controlled interference management
2Reliability
If transmission dropping rules are applied to resolve transmission direction conflicts, then transmission direction conflicts are avoided, but throughput decreases due to dropped messages
Solution Approach 1:
The patent implements full-duplexing rules that enable continuous transmission activity by allowing uplink and downlink messages to be transmitted simultaneously in the same symbol. This continuity of useful action eliminates the need to drop messages due to transmission direction conflicts, thereby maintaining high throughput while managing interference through the full-duplex framework
3Device complexity
If traditional transmission dropping rules are used, then simple conflict management is maintained, but system efficiency decreases due to unnecessary message drops
Solution Approach 1:
The patent introduces dynamic full-duplexing rules that adaptively manage transmission direction conflicts based on system conditions. Instead of using static dropping rules, the system dynamically determines whether to apply full-duplex transmission or traditional dropping based on interference levels, message priorities, and resource availability. This dynamic approach optimizes system efficiency by reducing unnecessary message drops while maintaining manageable complexity through structured rule sets
Data Source
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AI summary
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a full‑duplexing rule that indicates to refrain from using a transmission dropping rule for transmission direction conflicts that occur between uplink and downlink transmissions in a same symbol. The UE may receive a control message scheduling transmission of a message during a symbol, where a transmission direction conflict arises between a first transmission direction of the message and a second transmission direction of the symbol. For example, the UE may identify a transmission direction conflict between an uplink transmission direction of the message and a downlink transmission direction of the symbol. The UE may communicate the message during the symbol based on the full‑duplexing rule. The described techniques may enable the UE to attain reduced latency and higher throughput based on reducing a number of transmissions dropped by the UE.