Uplink Padding Indication and Flexible K2 Timing for Efficient Scheduling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communication systems face inefficiencies due to the use of padding bits in uplink transmissions, which can lead to resource waste and increased power consumption, and variability in the K2 time window results in unreliable and inefficient resource use.
Innovation Solution
Implementing a padding indication mechanism that allows UEs to report the quantity of padding bits included in uplink transmissions, and a flexible K2 range that enables UEs to transmit within a configurable time window, allowing network entities to adjust resources and scheduling accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If padding bits are used in uplink transmissions to fill resource gaps, then resource allocation simplicity is improved, but resource efficiency deteriorates due to transmission of unnecessary data
Solution Approach 1:
The patent extracts and removes the harmful padding bits from the uplink transmission. The network entity identifies and eliminates unnecessary padding data that was previously transmitted to fill resource allocation gaps, thereby reducing power consumption and resource waste while maintaining efficient resource allocation through dynamic grant adjustment.
Solution Approach 2:
The patent implements a feedback mechanism where the network entity monitors uplink transmission patterns and adjusts future resource grants based on actual data arrival rates. This feedback loop enables the system to reduce or eliminate padding bits by aligning resource allocation with actual traffic needs, reducing power consumption without sacrificing allocation simplicity.
2Ease of operation
If fixed K2 time window is used for uplink scheduling, then scheduling simplicity is improved, but reliability deteriorates due to inability to adapt to variable traffic conditions
Solution Approach 1:
The patent transforms the fixed K2 time window into a dynamic parameter that adapts to traffic conditions. The network entity adjusts the K2 offset based on actual data arrival rates at the UE, enabling the system to maintain scheduling simplicity while improving transmission reliability by allowing UEs to transmit as soon as data is ready within the flexible time window.
Solution Approach 2:
The patent changes the K2 time offset parameter from a fixed value to a variable that can be dynamically adjusted. The network entity modifies the K2 parameter based on traffic conditions and UE data buffer status, enabling the system to maintain operational simplicity while significantly improving transmission reliability through parameter adaptation.
3Productivity
If larger resource grants are allocated to ensure sufficient uplink capacity, then transmission capacity is improved, but resource efficiency deteriorates due to unused resources when data volume is small
Solution Approach 1:
The patent dynamically changes the resource grant parameters based on actual traffic conditions. The network entity adjusts the transport block size and resource allocation parameters according to the UE's data buffer status and arrival rates, enabling the system to maintain high transmission capacity when needed while eliminating resource waste during low-traffic periods.
Solution Approach 2:
The patent makes resource grant allocation dynamic rather than static. The network entity continuously monitors traffic conditions and adjusts grant sizes in real-time, allowing the system to provide high transmission capacity when data volumes are large while reducing allocations to eliminate waste when data volumes are small.
4Ease of operation
If UEs wait for scheduled transmission times, then resource allocation control is improved, but latency increases when data arrives earlier than scheduled
Solution Approach 1:
The patent makes the K2 time offset dynamic to balance control and latency. The network entity configures flexible K2 ranges that allow UEs to transmit earlier than traditionally scheduled when data arrives promptly, while maintaining network control through configurable time windows and validation of early transmissions within the flexible range.
Solution Approach 2:
The patent changes the K2 time parameter from fixed to variable. The network entity adjusts the K2 offset parameter based on traffic conditions, allowing UEs to reduce latency by transmitting earlier when data arrives quickly, while maintaining allocation control through configurable parameter ranges and network-approved transmission timing.
Data Source
AI summary
Methods, systems, and devices for wireless communications between a user equipment (UE) and network entity are described. The UE may receive, from the network entity, configuration information enabling the UE to report a padding indication pertaining to padding bits the UE inserts and sends in one or more transmissions. The UE may transmit an uplink message and the padding indication according to the configuration information and based on a quantity of padding included by the UE in the uplink message. In some examples, the UE may receive configuration information enabling the UE to apply a flexible time offset between receipt of an uplink grant and transmission of an uplink message. The UE may receive an uplink grant indicating a time offset range defining valid time durations for the flexible time offset. The UE may transmit the uplink message in accordance with the flexible time offset within the time offset range.