Network Offload Control Unit for Wireless Resource Optimization
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Solution Overview
Problem
Existing wireless communication systems face challenges in meeting user demands for radio resources, particularly in hotspots, where network performance optimization between GSM, UMTS, LTE, and WiFi networks is insufficient.
Innovation Solution
An offload processing method and control unit that acquire resource status information from multiple networks, including WiFi, to determine if offloading user equipment (UE) to a network with greater residual capacity or matching service type requirements, optimizing resource allocation and utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If users are handed over between network systems (GSM, UMTS, LTE) to optimize network performance, then network performance is improved, but user requirements for radio resources still cannot be met in hot spots
Solution Approach 1:
The patent combines multiple network systems (GSM, UMTS, LTE, and WiFi) into a unified offloading framework. The control unit manages resource allocation across these different network types, allowing users to access resources from any available network. This merging of previously separate network resources into a single pool directly addresses the contradiction by increasing total available radio resources while maintaining network performance optimization.
Solution Approach 2:
The control unit is designed with multi-functionality to manage handovers and resource allocation across diverse network types (cellular and WiFi). It can determine user equipment capabilities, select appropriate target networks based on multiple criteria, and dynamically allocate resources. This universal approach allows the system to meet user radio resource requirements by leveraging any available network, while still optimizing performance through intelligent selection.
2Quantity of substance
If multiple network systems operate in parallel to provide more resources, then resource availability increases, but resource utilization is not optimized
Solution Approach 1:
The control unit implements feedback mechanisms by continuously monitoring user equipment capabilities, network conditions, and resource status across multiple networks. Based on this feedback, it dynamically determines the most appropriate target network for offloading and adjusts resource allocation in real-time. This feedback loop ensures that the increased resource availability from multiple parallel networks is efficiently utilized, directly resolving the contradiction between resource quantity and utilization efficiency.
3Reliability
If handover between GSM, UMTS, and LTE is performed to optimize performance, then quality of service improves, but resource allocation efficiency decreases in hot spots
Solution Approach 1:
The control unit serves as an intermediary between user equipment and multiple network systems. It centralizes the complex resource allocation decisions, evaluating user capabilities, network status, and service requirements to determine optimal offloading targets. This intermediary approach simplifies the overall system by consolidating allocation logic in one entity, thereby improving resource allocation efficiency in hot spots while maintaining quality of service through coordinated handovers across GSM, UMTS, LTE, and WiFi networks.
Data Source
AI summary
A method includes: after a user equipment UE accesses a first-standard network, acquiring, by a control unit, first resource status information of the first-standard network and second resource status information of at least one second-standard network having an overlapping area with the first-standard network, where the first-standard network or the second-standard network includes a wireless fidelity WiFi network; and determining, by the control unit according to the first resource status information and the second resource status information, whether offload processing needs to be performed for the UE.