Msg3 Resource Allocation in UE-Centered Access to Prevent Overlap
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Solution Overview
Problem
In ultra-dense networks (UDN), the resource allocation for Msg3 messages in UE-centered access leads to interference and additional access delays due to overlapping resources among UEs using the same random access preambles, which is not effectively addressed by existing technologies.
Innovation Solution
A method and apparatus for resource allocation in UE-centered access that determines a radio resource range for Msg3 transmission based on a correspondence with access request responses, ensuring non-overlapping resource sets for different UEs through mapping and indication, reducing interference and delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a user equipment attempts to access multiple RATs simultaneously, then access speed and service availability are improved, but power consumption increases and access conflicts occur
Solution Approach 1:
The system performs preliminary actions by pre-configuring multiple RATs with different access priorities and pre-establishing resource allocation rules before access conflicts occur. The network side device prepares resource pools and access parameters in advance, allowing user equipment to quickly select from pre-approved options without extensive real-time negotiation, thus improving access speed while controlling power consumption.
Solution Approach 2:
The access process is segmented into distinct phases: initial selection based on priority, resource allocation for selected RAT, and conflict resolution if needed. This segmentation allows the system to handle multiple RAT accesses efficiently by processing them in controlled stages rather than simultaneously, reducing overall power consumption while maintaining fast access through optimized phase transitions.
2Quantity of substance
If multiple user equipments access different RATs simultaneously, then system capacity and service diversity are improved, but resource allocation complexity and access conflicts increase
Solution Approach 1:
Different user equipments are assigned different local qualities in terms of access priority and resource allocation parameters based on their specific service requirements, QoS needs, and channel conditions. This allows the system to manage multiple accesses with varying complexity levels individually, simplifying overall resource allocation while maintaining high system capacity through customized local configurations.
Solution Approach 2:
The system dynamically changes key parameters such as access priority, resource pool size, and allocation ratios based on current system load and service demands. By adjusting these parameters rather than maintaining fixed complex allocation rules, the system can scale capacity efficiently while keeping the control mechanism relatively simple and adaptable to changing conditions.
3Ease of operation
If access priorities are set uniformly for all user equipments, then system simplicity and ease of management are improved, but QoS differentiation and service quality are reduced
Solution Approach 1:
The priority configuration mechanism is designed to be universal, supporting both uniform priority settings for simple scenarios and differentiated priority settings for complex scenarios. The same system infrastructure and configuration interface handle both cases, providing ease of management through a unified approach while enabling QoS differentiation when needed through flexible parameter selection.
Solution Approach 2:
Access priorities are made dynamic rather than static, allowing the system to adapt priority levels based on service requirements, user subscriptions, and network conditions. This dynamic capability enables QoS differentiation for reliability-critical services while maintaining simple uniform priorities for standard services, all through the same adaptable mechanism that preserves ease of management.
Data Source
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AI summary
Disclosed are a resource allocation method and apparatus for system access. The resource allocation method includes: transmitting an access request; receiving an access request response or access request responses transmitted by one or more TPs; and determining, according to the access request response, a radio resource range of a message resource set occupied by transmitting a communication message, and occupying the radio resource range to transmit the communication message to the TP corresponding to the radio resource range.