Prioritized Access Control for IoT Network Congestion
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Solution Overview
Problem
The increasing use of IoT devices and prioritized access requests in wireless broadband networks leads to network congestion and difficulties in providing access for all devices, as frequent prioritized access requests by user devices can prevent other devices from accessing the network effectively.
Innovation Solution
Implementing a system where user devices are registered in modes or categories of operation, allowing network elements to control and limit prioritized access based on stored profile information, determining which devices can receive prioritized access and how often, thereby managing network usage and reducing congestion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If prioritized access requests are allowed frequently by user devices, then prioritized allocation of radio resources is improved, but network congestion increases and other devices cannot access the network
Solution Approach 1:
The patent implements dynamic control of prioritized access by allowing user devices to transition between two modes: a first mode where prioritized access requests are accepted, and a second mode where such requests are rejected. The network dynamically switches devices between these modes based on current network conditions, thereby adapting the level of prioritized access granted to match available network capacity and prevent congestion while maintaining reliability for authorized devices.
Solution Approach 2:
The patent changes the parameter of access request acceptance by the network by rejecting prioritized access requests from devices in the second mode. This parameter change (from accepting to rejecting requests) controls the overall load on the network while preserving the ability to provide prioritized access to devices in the first mode, thus resolving the contradiction between reliability and network capacity.
2Productivity
If network elements prioritize resource allocation based on mo-Exception Data, then resource scheduling is improved, but bandwidth consumption and message traffic increase
Solution Approach 1:
The patent extracts the control decision logic from the network elements and places it in the user devices themselves. Devices autonomously determine whether to send prioritized access requests based on their current mode, eliminating the need for network elements to process and evaluate each prioritized access request. This extraction reduces bandwidth consumption and message traffic while maintaining efficient resource scheduling for the subset of devices that are authorized to request prioritized access.
Solution Approach 2:
User devices self-manage their access behavior by maintaining internal state about which mode they are in and autonomously deciding whether to send prioritized access requests. This self-service approach reduces the processing burden on network elements and decreases overall message traffic, while still enabling efficient resource scheduling for devices that need prioritized access.
Data Source
AI summary
A system and method may include receiving information for a number of user equipment (UE) devices, wherein the information identifies a category associated with network access priority for each of the UE devices. The system and method may also include receiving, on behalf of a first one of the UE devices, a message to establish a network connection corresponding to a request for prioritized network access and determining whether a category for the first UE device allows for prioritized network access. The system and method may further include allowing prioritized network access to the first UE device, in response to determining that the category for the first UE device allows for prioritized network access and denying prioritized network access to the first UE device in response to determining that the category for the first UE device does not allow for prioritized network access.