Full-Duplex Wireless Transmission Empty Occasion Handling
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Solution Overview
Problem
In wireless communication systems, operating in full-duplex mode when uplink or downlink transmission occasions are empty can lead to inefficient use of time-frequency resources, increased latency, and reduced spectral efficiency.
Innovation Solution
A method where a user equipment (UE) or a base station indicates empty transmission occasions, allowing the communication to switch from full-duplex to half-duplex mode, optimizing resource utilization by updating communication parameters accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If full-duplex mode is used when transmission occasions are empty, then communication capability is maintained, but time-frequency resources are wasted and spectral efficiency decreases
Solution Approach 1:
The system dynamically switches between full-duplex and half-duplex modes based on whether transmission occasions are empty or active. When empty, the system transitions to half-duplex mode to conserve resources, and when active, it switches to full-duplex mode to maintain communication capability. This dynamic adaptation resolves the contradiction by adjusting the operational mode according to real-time conditions.
Solution Approach 2:
The invention changes the operational parameters of the communication system by switching between different duplex modes (full-duplex and half-duplex) based on transmission occasion status. This parameter change allows the system to optimize spectral efficiency by using half-duplex mode during empty occasions while maintaining full-duplex capability when needed.
2Adaptability or versatility
If full-duplex mode is used when transmission occasions are empty, then communication flexibility is maintained, but latency increases
Solution Approach 1:
The system employs dynamic mode switching between full-duplex and half-duplex based on transmission occasion status. By transitioning to half-duplex mode during empty occasions, the system reduces unnecessary processing and transmission delays, thereby reducing latency while maintaining the ability to switch back to full-duplex mode when communication flexibility is required.
3Ease of operation
If full-duplex mode is used when transmission occasions are empty, then simultaneous transmit and receive capability is maintained, but resource utilization decreases
Solution Approach 1:
The system dynamically adjusts its operational mode based on transmission occasion status. When occasions are empty, it switches to half-duplex mode to improve resource utilization by avoiding simultaneous transmit and receive operations that would consume resources without producing useful communication. When transmission is needed, it switches to full-duplex mode to maintain simultaneous transmit and receive capability.
Data Source
AI summary
Methods, systems, and devices for wireless communication are described. A user equipment (UE) or a base station may be configured to indicate that a transmission occasion is empty while operating in a full-duplex mode. In some examples, the UE may transmit, to the base station, an indication that an uplink transmission occasion (for example, a configured grant transmission occasion) will not be used by the UE for transmitting an uplink communication. In some other examples, the base station may transmit, to the UE, an indication a downlink transmission occasion (for example, semi-persistent scheduling transmission occasion) will not be used by the base station for transmitting a downlink communication. If uplink or downlink transmission occasions are empty, the UE and the base station may each update parameters to operate in a half-duplex mode.