Network Capacity Redistribution via Frequency Reuse
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Solution Overview
Problem
Dynamic changes in network capacity demand, such as those occurring at busy intersections or events, are challenging to manage without adding permanent cell sites or infrastructure, especially due to zoning restrictions and geographical impediments.
Innovation Solution
The system redistributes network capacity by coordinating multiple antennas to reuse frequency channels, adjusting signal parameters like amplitude and timing to increase capacity in overloaded sectors, without adding base stations, using an aggregating unit to manage communication requirements across base stations and mobile devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If more base stations and smaller cell sites are added to address higher capacity demand, then network capacity is improved, but device complexity and infrastructure cost increase
Solution Approach 1:
The patent implements dynamic network capacity redistribution by enabling base stations to flexibly adjust their frequency channel assignments in real-time based on varying traffic demands. The system dynamically identifies overloaded sectors and reallocates frequency channels from underutilized sectors to meet peak demand, eliminating the need for permanent infrastructure additions while maintaining optimal capacity distribution
Solution Approach 2:
The system changes the operational parameters of existing base stations by allowing them to reuse frequency channels dynamically. Instead of adding more physical infrastructure, the patent modifies how existing resources are parameterized and allocated, enabling base stations to switch between different frequency channel configurations based on real-time network conditions and traffic patterns
2Productivity
If base stations are added to meet capacity demand, then network capacity is improved, but ease of operation deteriorates due to zoning restrictions and geographical impediments
Solution Approach 1:
The patent creates virtual copies of frequency channel capacity by enabling reuse across different geographical locations. Instead of physically copying infrastructure (building new base stations), the system copies frequency channel assignments to multiple base stations that can simultaneously use the same channels with proper coordination, effectively multiplying capacity without multiplying physical infrastructure
Solution Approach 2:
Existing base stations are made multi-functional by enabling them to serve both their primary function and additional functions through frequency reuse. Base stations can dynamically switch between serving different frequency channels and different geographical sectors, maximizing the utilization of existing infrastructure across multiple operational roles
3Productivity
If frequency channels are reused to increase capacity, then network capacity is improved, but harmful factors increase due to potential interference
Solution Approach 1:
The system implements continuous feedback monitoring of signal quality and interference levels across the network. The capacity redistribution system uses real-time feedback from overloaded sectors and neighboring base stations to dynamically adjust frequency channel assignments, ensuring that reuse decisions are made based on actual interference conditions and signal quality metrics
Solution Approach 2:
The patent applies frequency reuse selectively based on local network conditions rather than uniformly across the entire network. Each base station and sector evaluates its specific local environment, including geographical features, traffic patterns, and interference levels, to determine optimal frequency channel assignments that maximize capacity while minimizing local interference
Data Source
AI summary
Redistribution of network capacity in a network having a plurality of base stations is contemplated. The redistribution may include reallocating or otherwise reusing primary channels assigned to the plurality base stations to increase capacity proximate one or more of the base stations. The network capacity may be increased in this manner without having to add new base stations.