Backhaul Link Resource Provisioning Using Probabilistic Coding Analysis
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Solution Overview
Problem
Current provisioning methods for wireless network backhaul links often result in over-provisioning resources, as they are based on worst-case scenarios rather than actual bandwidth requirements, which vary with coding schemes used at the air interface due to interference conditions.
Innovation Solution
A probabilistic approach is used to determine the necessary resources for the backhaul link by analyzing the variations in coding algorithms used over time, processing this information to estimate the required bandwidth and number of channels needed, using methods like convolution and the central-limit theorem to calculate probability distributions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If worst-case scenario provisioning is used for the backhaul link, then reliability is improved, but resource allocation efficiency deteriorates
Solution Approach 1:
The patent changes the provisioning parameter from a fixed worst-case value to a probabilistic value based on coding scheme statistics. By analyzing the probability distribution of coding schemes used at the air interface, the system determines the actual required number of sub-rate channels, transforming the provisioning approach from conservative over-provisioning to statistically accurate resource allocation.
2Device complexity
If fixed number of sub-rate channels is provisioned for each time slot, then device complexity is reduced, but measurement precision of actual bandwidth requirements deteriorates
Solution Approach 1:
The patent implements feedback by collecting and analyzing statistics on coding scheme usage from the air interface. The system continuously monitors which coding schemes are actually used and their frequencies, then uses this feedback information to adjust the provisioning calculation. This feedback mechanism enables precise measurement of actual bandwidth requirements without significantly increasing system complexity.
Data Source
AI summary
Determining the amount of resources that needs to be provisioned for a wired backhaul link of a wireless network using a probabilistic approach that makes the determination based at least in part on the type of coding scheme selection algorithm used to encode data transmitted by the transceiver to the wireless device over the air interface of the wireless network. Because the type of coding algorithm used depends on the amount of traffic at the air interface, variations in the coding algorithms used over a given period of time can be used to accurately determine the amount of bandwidth or resources that will be required on the backhaul link. Consequently, the amount of resources that should be provisioned for the backhaul link can be accurately determined.