Communication Device Transmission Parameter Decision via Interference Mediation
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Solution Overview
Problem
Current communication systems face challenges in making real-time decisions about transmission parameters for radio transmissions from communication devices to access networks, particularly in uplink transmissions, where improving these decisions has focused on enhancing information communication from devices to networks rather than considering interference information effectively.
Innovation Solution
A method where a communication device makes a provisional decision on transmission parameters based on interference information from the access network or other devices, communicates this decision, and receives a final indication from the access network or other devices, facilitating conflict resolution and optimizing transmission parameters such as physical resource blocks, frequency/time resources, modulation and coding schemes, and MIMO settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the communication device makes the transmission parameter decision independently based on limited information, then the decision speed is fast, but the decision accuracy is poor due to lack of interference information
Solution Approach 1:
The access network acts as an intermediary that collects interference information from multiple sources (including other communication devices) and provides it to the communication device. This mediator enables the device to make more accurate transmission parameter decisions without having to independently collect and process all interference information itself, thus improving accuracy while managing complexity.
Solution Approach 2:
The access network performs preliminary collection and processing of interference information before the communication device makes its transmission parameter decision. By preparing interference information in advance and providing it to the device, the system enables more accurate decisions without increasing the real-time decision complexity at the device.
2Reliability
If the communication device waits for final decision indication from the access network before transmitting, then the decision accuracy improves, but the transmission delay increases
Solution Approach 1:
The communication device performs preliminary decision-making about transmission parameters based on interference information provided by the access network, and proceeds with transmission using this provisional decision. The final decision indication from the access network serves as a confirmation or correction, allowing the device to maintain transmission reliability while minimizing delay by not waiting for confirmation before transmitting.
Solution Approach 2:
The system implements a dynamic two-stage decision process where the communication device can transmit based on a provisional decision, and the access network can subsequently provide a final decision indication to correct or confirm the parameters. This dynamic approach balances reliability and delay by allowing transmission to proceed while maintaining the option for correction.
3Measurement precision
If more interference information is collected and processed, then the transmission parameter decision accuracy improves, but the signaling overhead increases
Solution Approach 1:
The access network extracts and provides only the essential interference information that is most relevant for transmission parameter decision-making, rather than transmitting all available interference data. This selective extraction maintains decision accuracy while minimizing signaling overhead by filtering out redundant or less critical information.
Solution Approach 2:
The system provides interference information with different levels of detail tailored to specific needs - the access network provides comprehensive interference information for its own scheduling decisions, while providing summarized or selectively detailed interference information to communication devices based on what is necessary for their transmission parameter decisions, optimizing the balance between accuracy and overhead.
Data Source
AI summary
A technique including: making at a communication device a provisional decision about one or more transmission parameters for a transmission from the communication device to an access network or another communication device via radio resources managed by an access network; communicating the provisional decision to the network or the another communication device; and receiving from the access network or the another communication device an indication of a final decision about the transmission parameters for the transmission from the communication device to the access network or another communication device.