UE Buffer Overflow Reporting for High-Rate Transmission
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Solution Overview
Problem
Buffer overflow issues in User Equipment (UE) due to mismatched buffer configurations and read/write rates, leading to data packet loss and frequent retransmissions, which affect transmission quality and waste system resources.
Innovation Solution
A method for acquiring and determining buffer overflow strategies based on configuration information, including reporting capabilities and conditions, and implementing local processing to discard data packets or receiving reconfiguration information to adjust transmission rates and buffer capacities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-level MIMO mode, multi-carrier aggregation mode, high-level modulation coding mode, or large bandwidth mode is configured to enable ultra-high transmission rate, then transmission rate is improved, but buffer overflow occurs in UE leading to data packet loss and frequent retransmissions
Solution Approach 1:
The base station obtains buffer status information from the UE and uses this feedback to dynamically adjust transmission parameters. When buffer overflow is detected or predicted, the base station modifies modulation coding schemes, MIMO layers, or allocation strategies to match the UE's actual buffer capacity, thereby preventing data packet loss while maintaining high transmission rates.
Solution Approach 2:
The system transitions from static buffer configuration to dynamic adaptation. The UE's buffer status is continuously monitored and reported, allowing the base station to real-time adjust transmission parameters such as modulation order, coding rate, and MIMO configuration to match the current buffer state, enabling flexible optimization of transmission rate versus buffer overflow trade-off.
2Reliability
If buffer capacity is increased to prevent buffer overflow, then data packet loss is reduced, but system resource waste increases due to oversized buffers
Solution Approach 1:
Instead of using a fixed large buffer capacity, the system dynamically adjusts buffer allocation parameters based on actual transmission needs and UE capabilities. The base station configures appropriate buffer sizes that match the current transmission rate and buffer status reports, optimizing the balance between preventing overflow and avoiding resource waste through parameter adaptation rather than static oversizing.
3Reliability
If buffer status is continuously monitored and reported to prevent buffer overflow, then transmission quality is improved, but processing complexity and overhead increase
Solution Approach 1:
The system implements buffer status reporting only when necessary conditions are met, such as when buffer occupancy exceeds thresholds or transmission parameters change significantly. This partial monitoring approach reduces processing complexity and message overhead while still capturing the critical buffer states needed for quality transmission, avoiding continuous monitoring overhead.
Data Source
AI summary
The present disclosure provides a method for transmission processing and a communication device. The method includes acquiring configuration information of a buffer overflow report; and determining a strategy to solve buffer overflow in a UE based on the configuration information; where the step of determining the strategy to solve the buffer overflow in the UE based on the configuration information includes: in response to determining that the UE is allowed to report a buffer overflow problem based on the configuration information, reporting a reporting information of the buffer overflow in the UE; and in response to determining that the UE is not allowed to report a buffer overflow problem based on the configuration information and a buffer overflows, discarding a part of a data packet to be buffered based on a local processing strategy.