Bandwidth Weight Computation for Traffic Distribution in Aggregation Systems

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Solution Overview

Problem

Conventional bandwidth aggregation systems in 4G communication systems face issues with signal collision due to uneven distribution of traffic loads across multiple bandwidths, leading to communication link failures between mobile stations and base stations.

Innovation Solution

A bandwidth determination method that computes weights for multiple bandwidths based on resource allocation distributions and selects an optimal bandwidth for connection, adjusting channel sizes accordingly, to ensure uniform resource allocation and reduce signal collisions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If terminals select bandwidth randomly in conventional bandwidth aggregation system, then bandwidth selection is simple, but traffic loads concentrate on single bandwidth causing signal collision and communication link failure

Engineering Contradiction:
Improvecommunication link reliabilityVSAvoidbandwidth determination complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The base station computes weights for multiple bandwidths based on resource allocation distributions and feeds back this weight information to terminals through broadcast or RRC signaling. Terminals use this feedback to make informed bandwidth selection decisions, preventing traffic concentration and signal collisions while maintaining reliable communication links.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The base station performs preliminary computation of bandwidth weights based on resource allocation distributions before terminal bandwidth selection. This preliminary action provides terminals with guidance information in advance, enabling them to select bandwidths that will not cause traffic concentration or signal collisions.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If bandwidth weights are computed and transmitted to maintain uniform resource allocation, then signal collision probability decreases, but system overhead increases

Engineering Contradiction:
Improveconnection success probabilityVSAvoidsystem overhead
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The base station computes bandwidth weights based on resource allocation distributions and transmits this weight information to terminals through existing broadcast or RRC signaling mechanisms. This feedback enables terminals to select bandwidths that maintain uniform resource allocation and reduce signal collisions without requiring additional dedicated signaling channels.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The bandwidth weight information is transmitted utilizing existing broadcast or RRC signaling infrastructure, allowing the same communication channels to serve multiple purposes: system information dissemination and bandwidth selection guidance, thereby minimizing additional overhead.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS8432930B2Transmission band determination method for bandwidth aggregation system
Publication Date: 2013.04.30 SAMSUNG ELECTRONICS CO LTD
  • US8432930B2 patent drawing
  • US8432930B2 patent drawing
  • US8432930B2 patent drawing

AI summary

A bandwidth aggregation system for providing wideband communication services by aggregating multiple bandwidths and a transmission band determination method for the bandwidth aggregation system are disclosed. T bandwidth determination method includes computing weights of the multiple bandwidths based on resource allocation distributions of the individual bandwidths, and selecting one of the multiple bandwidths for establishing a connection between a base station and a mobile station based on the weights of the multiple bandwidths.