Audio Broadcast Template Adjustment Using Reception Feedback
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Solution Overview
Problem
User equipment (UE) rebroadcasts audio packets excessively due to unidirectional channels, leading to unnecessary airtime occupation and increased energy consumption, especially in low-interference conditions.
Innovation Solution
UE adjusts broadcast template parameters based on reception data from receiving devices, determining the minimum number of rebroadcasts needed to ensure packet reception while minimizing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the UE rebroadcasts packets multiple times to ensure reception in high-interference conditions, then the reliability of packet delivery is improved, but the airtime occupation increases and energy consumption rises
Solution Approach 1:
The broadcast template parameters are made dynamic rather than static. The UE adjusts the number of rebroadcasts, packet transmission intervals, and other broadcast parameters in real-time based on reception quality feedback from receiving devices. This allows the system to adapt to changing channel conditions, using more rebroadcasts when needed and fewer when not needed, thus resolving the contradiction between reliability and energy consumption
Solution Approach 2:
A feedback mechanism is implemented where receiving devices send reception quality information back to the UE. The UE uses this feedback to continuously optimize broadcast template parameters. This closed-loop control enables the system to maintain reliable packet delivery while minimizing unnecessary rebroadcasts and energy consumption by adjusting parameters based on actual reception conditions
2Reliability
If the UE uses fixed broadcast parameters to ensure packet reception, then the reliability of communication is improved, but the adaptability to different channel conditions deteriorates
Solution Approach 1:
The system transitions from static fixed parameters to dynamic adjustable parameters. The broadcast template includes parameters such as number of rebroadcasts, transmission intervals, and packetization settings that can be modified in real-time based on channel conditions and reception feedback, enabling the system to adapt to various interference levels and obstructions while maintaining reliability
Solution Approach 2:
The invention changes the values of broadcast template parameters based on reception quality. When reception is good, parameters are adjusted to reduce rebroadcasts and save energy. When reception deteriorates, parameters are adjusted to increase reliability. This parameter adaptation resolves the contradiction between maintaining fixed reliable parameters and adapting to changing conditions
3Reliability
If the UE rebroadcasts packets excessively to account for unknown reception conditions, then the reliability of packet delivery is improved, but the productivity of wireless communication deteriorates due to unnecessary airtime occupation
Solution Approach 1:
The feedback mechanism provides real-time information about actual packet reception success. The UE uses this information to adjust broadcast parameters, avoiding excessive rebroadcasts when packets are received successfully. This eliminates unnecessary airtime occupation while maintaining reliable delivery, thus improving wireless communication productivity
Solution Approach 2:
Instead of always performing full rebroadcast sequences, the system applies partial action by adjusting the number of rebroadcasts to match actual needs. When reception is confirmed, fewer or no rebroadcasts are performed. This optimized level of action maintains reliability while improving productivity by reducing unnecessary airtime usage
Data Source
AI summary
A system to broadcast an audio signal includes user equipment (UE) configured to concurrently broadcast the audio signal to a plurality of receiving devices based on a broadcast template. As the UE broadcasts the audio signal, the UE receives reception data from the plurality of receiving devices indicating the quality of the reception of the audio signal. Based on one or more event triggers occurring, the UE adjusts one or more broadcast parameters of the broadcast template based on the reception data received from the plurality of receiving devices. The UE then continues to broadcast the audio signal based on the adjusted broadcast parameters of the broadcast template.