Assistance Information Framework for Fast Carrier Aggregation
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Solution Overview
Problem
Existing wireless communication systems face complexity in determining optimal carrier aggregation and dual connectivity configurations across multiple wireless communication technologies, leading to inefficiencies in data throughput and configuration delays.
Innovation Solution
An assistance information framework is provided to help wireless devices and cellular base stations quickly and accurately configure carrier aggregation and dual connectivity by offering preference information, frequency preferences, and data usage estimates during Radio Resource Control (RRC) connection establishment, enabling the base station to select the most beneficial configuration for the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the network determines carrier aggregation and dual connectivity configuration without assistance information, then the configuration process is simpler, but the configuration accuracy and speed are reduced
Solution Approach 1:
The wireless device provides assistance information (including preferred carrier frequencies, dual connectivity preferences, and data usage estimates) before the network makes configuration decisions. This preliminary information allows the network to quickly determine optimal carrier aggregation and dual connectivity configurations without extensive measurement and evaluation processes, thereby improving configuration accuracy while maintaining process simplicity.
2Measurement precision
If the network performs detailed measurements and evaluations to determine optimal configuration, then the configuration accuracy is improved, but the configuration time increases
Solution Approach 1:
The wireless device performs preliminary assessments and provides assistance information including preferred carrier frequencies, dual connectivity preferences, and estimated data usage requirements before the network initiates configuration. This pre-provided information enables the network to make rapid configuration decisions without conducting extensive real-time measurements and evaluations, thus achieving both high accuracy and fast configuration.
Solution Approach 2:
The wireless device provides feedback in the form of assistance information about its capabilities, preferences, and data usage patterns. The network uses this feedback to determine the optimal configuration and can request updated assistance information if conditions change, creating a feedback loop that maintains configuration optimality while minimizing reconfiguration frequency and associated delays.
3Productivity
If the network configures carrier aggregation and dual connectivity without assistance information, then the signaling overhead is reduced, but the throughput improvement is limited
Solution Approach 1:
The assistance information framework extracts and utilizes already-available device information (carrier preferences, dual connectivity capabilities, data usage estimates) that would otherwise be transmitted through standard signaling procedures. By taking out this information and making it explicitly available for configuration decisions, the system achieves better throughput optimization without proportionally increasing signaling overhead, as the information is provided as part of existing messaging exchanges.
Data Source
AI summary
Apparatuses, systems, and methods for using an assistance information framework to perform fast carrier aggregation and dual connectivity configuration. A wireless device may provide assistance information for determining a carrier aggregation or dual connectivity configuration to a cellular base station. The assistance information may be provided while establishing a radio resource control connection. The assistance information may include either or both of carrier aggregation or dual connectivity preference information for the wireless device or service data amount information for the wireless device. The cellular base station may select a carrier aggregation or dual connectivity configuration for the wireless device based on the assistance information, and may provide configuration information for the selected configuration to the wireless device.