Base Station Dynamic Channel Allocation for XR Traffic
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Solution Overview
Problem
Conventional communication methods are unsuited to the characteristics of XR traffic, leading to increased delay times and deterioration in communication quality due to fixed resource allocations and periodic transmission/reception methods.
Innovation Solution
A base station configured to dynamically allocate physical downlink and uplink shared channels in response to variations in data amounts, using physical downlink and uplink control channels to notify the communication terminal of changes, thereby adapting to the unique characteristics of XR traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If fixed resource allocations and periodic transmission/reception methods are used, then system simplicity is maintained, but delay time increases and communication quality deteriorates for XR traffic
Solution Approach 1:
The patent implements dynamic resource allocation where the base station adjusts the physical downlink shared channel and physical uplink shared channel configurations based on varying data amounts in real-time. This dynamic adjustment mechanism allows the system to adapt to XR traffic characteristics, reducing delay time by allocating more resources when data volume increases and fewer resources when data volume decreases, thereby resolving the contradiction between maintaining simplicity and reducing delay.
Solution Approach 2:
The patent changes the parameters of physical channels (physical downlink shared channel and physical uplink shared channel) in response to data amount variations. By modifying channel configuration parameters dynamically rather than using fixed allocations, the system optimizes resource utilization for XR traffic, achieving lower delay times while managing complexity through structured parameter adjustment rules.
2Reliability
If fixed resource allocations are used, then system complexity is reduced, but communication quality deteriorates due to inability to adapt to varying data requirements
Solution Approach 1:
The patent employs a feedback mechanism where the base station monitors data amounts and adjusts physical channel allocations accordingly. This feedback loop ensures that resource allocations match actual communication needs, improving communication quality for XR traffic by providing sufficient resources when data volume is high and reducing waste when data volume is low, while maintaining manageable complexity through automated feedback-driven adjustments.
Solution Approach 2:
The system transitions from static resource allocation to dynamic allocation based on real-time data conditions. This dynamic approach improves communication quality by adapting resource configurations to match XR traffic patterns, ensuring reliable communication while controlling complexity through systematic dynamic adjustment procedures.
3Productivity
If periodic transmission/reception methods with fixed periods are used, then system simplicity is maintained, but productivity decreases due to inability to match varying data generation rates
Solution Approach 1:
The patent changes the periodicity parameters of transmission and reception operations based on data generation rates. By adjusting the period of periodic operations dynamically, the system optimizes data transmission efficiency for XR traffic, allowing more frequent transmissions when data generation rate is high and less frequent transmissions when data generation rate is low, thereby improving productivity while managing scheduling complexity through parameter-based control.
Data Source
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AI summary
A base station is capable of performing periodic communication to transmit and receive data to and from a communication terminal in a predetermined period. The base station is configured to, when transmitting downlink data, allocate a physical downlink control channel and a physical downlink shared channel used in a first period that is a transmission period for the downlink data, change the physical downlink shared channel used in the first period in response to variation in an amount of the downlink data, and notify the communication terminal of a result of the change by using the physical downlink control channel allocated to the first period. The base station is configured to, when receiving uplink data, allocate a physical downlink control channel and a physical uplink shared channel used in a second period that is a transmission period for the uplink data, change the physical uplink shared channel used in the second period in response to variation in an amount of the uplink data, and notify the communication terminal of a result of the change by using the physical downlink control channel allocated to the second period.