Base Station Controller Entry Limit Timer for Wireless Access

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

In broadband wireless communication systems, terminals often attempt to re-enter base stations unnecessarily, leading to resource wastage, as existing systems cannot effectively prevent repeated initial ranging and handover attempts, causing inefficiencies in wireless resource utilization.

Innovation Solution

A broadband wireless communication system that includes a base station controller to determine and transmit a media access control (MAC) management message with an entry limit timer value, prohibiting terminal entry attempts for a specified time, thereby preventing unnecessary access attempts and optimizing resource allocation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the base station allows terminal entry attempts without restriction, then the terminal can access the base station when conditions are favorable, but unnecessary repeated entry attempts are generated causing resource wastage

Engineering Contradiction:

Improveaccess efficiencyVSAvoidwireless resource wastage

Core Design Contradiction:

ProductivityVSLoss of energy

Solution Approach 1:

The base station applies preliminary anti-action by proactively transmitting an entry prohibition message to the terminal before the terminal can initiate unnecessary re-entry attempts. This message contains an entry prohibition timer value that preemptively blocks the terminal from accessing the base station during periods when access conditions are not met, thereby preventing waste of wireless resources while still allowing access when conditions improve.

Inventive Principle:

Principle #9Preliminary anti-action

2Loss of energy

If the base station transmits entry prohibition messages frequently, then unnecessary entry attempts are reduced, but signaling overhead increases

Engineering Contradiction:

Improveresource wastage reductionVSAvoidsignaling message quantity

Core Design Contradiction:

Loss of energyVSQuantity of substance

Solution Approach 1:

The system applies partial action by transmitting entry prohibition messages only when necessary - specifically when the base station determines that entry conditions are not met and previous attempts have failed. Rather than continuously transmitting prohibition messages, the base station selectively sends them based on actual access conditions and terminal behavior patterns, reducing unnecessary signaling overhead while still effectively preventing resource wastage.

Inventive Principle:

Principle #16Partial or excessive action

3Loss of energy

If the entry prohibition timer value is set long, then resource wastage is reduced more effectively, but the terminal access delay increases

Engineering Contradiction:

Improveresource wastageVSAvoidterminal access delay

Core Design Contradiction:

Loss of energyVSLoss of time

Solution Approach 1:

The entry prohibition timer value is made dynamic rather than fixed. The base station adjusts the timer value based on current access conditions, terminal behavior patterns, and network load. When access conditions improve or the terminal demonstrates successful access patterns, the timer value is reduced or reset, allowing the terminal to attempt access sooner. This dynamic adjustment optimizes the balance between preventing resource wastage and minimizing access delays.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS11778537B2Apparatus and method for controlling a terminal accessing a base station in broadband wireless communication system

Publication Date: 2023.10.03 SAMSUNG ELECTRONICS CO LTD

AI summary

A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.