Buffer Status Report for Uncategorized Uplink Data
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Solution Overview
Problem
Wireless communication systems face challenges in reporting uncategorized uplink data in buffer status reports, as existing formats often require categorization using traffic flow templates, which can be difficult for data buffered at the application processor, especially in devices with limited baseband buffer capacity.
Innovation Solution
Incorporating techniques to indicate uncategorized uplink data in buffer status reports using logical channel identifiers associated with default or dedicated bearers, or defining a specific logical channel identifier for uncategorized data, allowing for efficient reporting of data buffered at both the baseband and application processors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a small baseband uplink data buffer is used to reduce device size and memory consumption, then device form factor and memory efficiency are improved, but the ability to report complete buffer status in traditional buffer status reports deteriorates
Solution Approach 1:
The patent segments the buffer status report into two parts: traditional categorized data from the baseband buffer and new uncategorized data from the application processor buffer. This allows the small baseband buffer to work together with the application processor buffer to provide complete buffer status information without requiring the baseband buffer to be large.
Solution Approach 2:
The patent introduces a new field in the buffer status report that acts as an intermediary to indicate uncategorized data from the application processor. This intermediary mechanism allows information from the application processor buffer to be included in the baseband buffer's buffer status report, enabling complete reporting despite the small baseband buffer size.
2Reliability
If traditional buffer status report format is used that requires traffic flow template categorization, then data categorization and QoS management are improved, but the ability to report uncategorized data from application processor deteriorates
Solution Approach 1:
The patent segments the buffer status report into categorized data (using traditional traffic flow templates) and uncategorized data (from application processor buffer). This allows the system to maintain reliable categorization for baseband data while adding flexibility to report uncategorized data from the application processor using a new indicator field.
3Volume of moving object
If minimal memory space is allocated in the modem to keep device compact, then device portability and memory efficiency are improved, but the capacity to store and report uplink data deteriorates
Solution Approach 1:
The patent merges the buffer status reporting functions of the baseband buffer and application processor buffer into a single buffer status report mechanism. By combining the uncategorized data indicator field with the traditional buffer status report, the system achieves increased uplink data buffering capacity without requiring additional memory in the modem, as the application processor buffer is leveraged instead.
Data Source
AI summary
This disclosure relates to techniques for a wireless device to report uncategorized data in a buffer status report. A first portion of buffered uplink data to be reported in a buffer status report may be categorized using a traffic flow template. A second portion of buffered uplink data to be reported in the buffer status report may not be categorized using the traffic flow template. A buffer status report indicating both the categorized and the uncategorized buffered uplink data may be transmitted to a base station providing a serving cell to the wireless device. According to some embodiments, the categorized buffered uplink data may be stored in a baseband processor buffer of the wireless device, while the uncategorized buffered uplink data may be stored in an application processor buffer of the wireless device.