Unified Background Traffic Policy for Network Overhead Reduction
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Solution Overview
Problem
The existing method for background traffic downloading in telecommunication networks results in high network overheads due to the policy and charging rules function unit repeatedly responding to similar requests from user terminals, leading to unnecessary network congestion.
Innovation Solution
A method where a network awareness and schedule device generates a unified background traffic downloading policy for a user group, which is then used by the policy and charging rules function device to determine policy and charging control, reducing redundant responses and network congestion by transmitting data only to terminals that need it.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the PCRF unit responds to each background traffic downloading request from individual user terminals, then each terminal receives appropriate policy control, but network overheads increase due to repeated responses for the same traffic
Solution Approach 1:
The patent merges multiple individual terminal requests into a single group-level request. The network awareness and schedule device aggregates background traffic downloading requests from multiple user terminals into one unified request to the PCRF unit, which then generates a single policy for the entire user group. This combining approach maintains accurate policy control while dramatically reducing network overhead by eliminating redundant repeated responses for identical traffic.
Solution Approach 2:
The patent creates a universal policy that serves multiple user terminals simultaneously. Instead of generating individual policies for each terminal, the system formulates a single background traffic downloading policy that applies universally to all terminals in the user group. This universal policy approach allows one policy to fulfill multiple functions across different terminals, reducing network overhead while maintaining service quality.
2Loss of energy
If a unified background traffic downloading policy is formulated for the user group, then network overheads are reduced, but individual terminal-specific control may be compromised
Solution Approach 1:
The patent replaces the mechanical approach of individual terminal control with a group-level policy distribution mechanism. The network awareness and schedule device acts as an intermediary that receives the unified policy from the PCRF unit and distributes it to appropriate terminals based on their specific needs. This substitution maintains terminal-specific adaptability while benefiting from the overhead reduction of unified policy formulation.
Solution Approach 2:
The patent segments the policy management process into two distinct layers: a unified policy formulation layer (PCRF unit creating group-level policy) and a terminal-specific distribution layer (network awareness and schedule device allocating policy to individual terminals). This segmentation allows the system to enjoy the overhead benefits of unified policy while preserving the adaptability of individual terminal control through selective policy distribution.
3Reliability
If the PCRF unit processes requests from all user terminals individually, then each terminal gets customized policy control, but the processing time and network congestion increase
Solution Approach 1:
The patent implements preliminary action by having the network awareness and schedule device aggregate and preprocess multiple terminal requests into a single unified request before submitting it to the PCRF unit. This preliminary aggregation action reduces the number of processing cycles required, thereby decreasing overall processing time and reducing network congestion, while the PCRF unit still maintains precise policy control for the entire user group.
Data Source
AI summary
The present invention discloses a method, device and system for background traffic downloading, and relates to the communications field. A background traffic downloading policy is formulated for a user group, to resolve a problem of relatively high network overheads due to repeated responses of a policy and charging rules function unit. The background traffic downloading method includes: receiving, by a network awareness and schedule device, a background traffic downloading request sent by an application server; generating a background traffic downloading policy of a user group and an identifier of the background traffic downloading policy; sending the identifier to the application server; and receiving the identifier from a policy and charging rules function device, determining the background traffic downloading policy of the user group according to the identifier, and sending the background traffic downloading policy to the policy and charging rules function device.