Bearer Establishment Control for Mobile Network Load Management

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing communication systems in mobile networks establish unused bearers during state transitions, leading to suboptimal system load management and increased maintenance costs due to unnecessary handover signals during terminal movement.

Innovation Solution

A communication system with a processing server that determines whether to establish unused bearers based on system load for maintenance and establishment, using a determination unit to assess communication and movement frequencies, and a bearer establishment control unit to manage bearer setup between terminals and serving gateways.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If unused bearers are established simultaneously with used bearers during idle state transition, then the terminal can quickly access multiple services, but the system load for bearer maintenance increases due to unnecessary handover signals

Engineering Contradiction:
Improveservice access speedVSAvoidsystem load for bearer maintenance
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

The patent applies dynamics by making the bearer establishment strategy adaptive rather than static. The system dynamically determines whether to establish unused bearers based on real-time system load conditions. When system load is high, only used bearers are established; when system load is low, both used and unused bearers are established. This dynamic adjustment resolves the contradiction between quick service access and reduced maintenance load.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes the parameter of bearer establishment timing based on system load conditions. Instead of always establishing all bearers simultaneously, the system modifies this parameter according to current network state. The determination unit evaluates system load and controls the establishment timing accordingly, transforming a fixed parameter into a variable one that adapts to system conditions.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If multiple bearers are established simultaneously during idle state transition, then service availability is improved, but maintenance cost increases due to handover signal generation during terminal movement

Engineering Contradiction:
Improveservice availabilityVSAvoidhandover signals during terminal movement
Core Design Contradiction:
Adaptability or versatilityVSObject-generated harmful factors

Solution Approach 1:

The system dynamically adjusts bearer establishment based on terminal movement state. When the terminal is stationary or movement is minimal, unused bearers are established to improve service availability. When terminal movement is detected, the system suppresses unused bearer establishment to avoid generating handover signals. This dynamic behavior resolves the contradiction between service availability and harmful handover signals.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent applies preliminary anti-action by preventing the establishment of unused bearers before terminal movement occurs. The determination unit detects terminal movement state in advance and proactively prevents unused bearer establishment when movement is detected, thereby avoiding the generation of handover signals before they can occur.

Inventive Principle:
Principle #9Preliminary anti-action

3Loss of time

If unused bearers are established at idle state transition, then bearer establishment time is reduced, but system load optimization is compromised due to unnecessary maintenance operations

Engineering Contradiction:
Improvebearer establishment timeVSAvoidsystem load optimization
Core Design Contradiction:
Loss of timeVSProductivity

Solution Approach 1:

The patent changes the timing parameter of bearer establishment based on system load conditions. Instead of using a fixed timing strategy, the system evaluates system load at the time of idle state transition and adjusts bearer establishment timing accordingly. This parameter change resolves the contradiction between reducing establishment time and optimizing system load.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system implements dynamic bearer establishment timing where the determination unit continuously monitors system load and adjusts establishment decisions in real-time. This dynamic approach allows the system to minimize bearer establishment time when load is low while preventing unnecessary maintenance operations when load is high, resolving the time-load optimization contradiction.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10827031B2Communications system, processing server, and bearer establishment control method
Publication Date: 2020.11.03 NTT DOCOMO INC
  • US10827031B2 patent drawing
  • US10827031B2 patent drawing
  • US10827031B2 patent drawing

AI summary

In a communication system (1) including a terminal (10), a base station (20), a processing server (30) that executes a process related to the terminal, and one or a plurality of serving gateways (40), the processing server (30) includes: a determination unit (31) that determines whether or not an unused bearer other than a used bearer used for a service process is to be established on the basis of a system load for bearer maintenance and a system load for bearer establishment when the determination unit receives a service processing request from the terminal that is in an idle state; and a bearer establishment control unit (32) that performs control so that the unused bearer determined to be established by the determination unit (31) and the used bearer are established between a corresponding serving gateway and the terminal.