Dynamic Spectrum Allocation for Wireless Base Stations
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Solution Overview
Problem
Wireless communication networks face inefficiencies due to bursty and asymmetric traffic patterns, leading to underutilization of frequency spectrum resources in uplink and downlink channels, as existing duplex communication schemes struggle to adapt to changing traffic demands.
Innovation Solution
A method and apparatus for a wireless base station that dynamically allocates frequency spectrum resources by determining the quality status of available resources, assigning them to shared pools, and scheduling based on initial and updated directional allocations, allowing for flexible allocation between uplink and downlink channels to match current traffic demands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional fixed duplex communication schemes are used, then system stability is maintained, but frequency spectrum resources are underutilized due to inability to adapt to changing traffic demands
Solution Approach 1:
The patent implements dynamic resource allocation where the base station continuously monitors traffic conditions and adjusts the directional allocation of frequency spectrum resources between uplink and downlink channels in real-time. This transforms the static resource allocation into a dynamic system that adapts to changing traffic patterns, resolving the contradiction between adaptability and complexity by making the allocation flexible rather than fixed.
Solution Approach 2:
The patent changes the allocation parameters of frequency spectrum resources by adjusting the proportion of resources dedicated to uplink versus downlink based on monitored traffic conditions. This parameter adjustment allows the system to adapt to varying traffic demands while maintaining manageable complexity through structured parameter control mechanisms.
2Productivity
If frequency spectrum resources are allocated statically, then allocation simplicity is maintained, but bandwidth efficiency deteriorates due to unused resources during traffic variations
Solution Approach 1:
The patent employs a feedback mechanism where the base station monitors traffic conditions and uses this information to adjust resource allocation dynamically. This feedback loop enables the system to improve bandwidth efficiency by allocating resources according to actual traffic needs rather than static pre-assignment, while keeping the complexity manageable through systematic feedback processing.
Solution Approach 2:
The patent transforms static resource allocation into a dynamic process that continuously adapts to traffic conditions. This dynamic allocation improves bandwidth efficiency by ensuring resources are actively utilized according to demand, resolving the contradiction between productivity and complexity through time-varying allocation strategies.
3Quantity of substance
If dynamic resource reallocation is implemented, then spectrum utilization is improved, but system complexity increases due to continuous monitoring and adjustment requirements
Solution Approach 1:
The patent enables the base station to autonomously monitor traffic conditions and perform resource reallocation without external intervention. This self-service capability improves spectrum utilization by allowing continuous adaptation to traffic patterns while managing complexity through automated decision-making algorithms that operate independently.
Solution Approach 2:
The patent implements a feedback-driven resource allocation system where traffic monitoring information feeds into automatic resource adjustment mechanisms. This feedback loop increases the quantity of utilized spectrum resources by ensuring resources match actual demand, while managing complexity through systematic feedback processing and automated control.
Data Source
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AI summary
Frequency spectrum resources available to a node of a wireless communication network may be allocated for either an uplink or downlink channel by a scheduler module. The scheduler module may schedule a specific frequency spectrum resource based at least in part on whether the frequency spectrum resource has been assigned to a downlink resource pool, an uplink resource pool, or a shared resource pool. Assignment of frequency spectrum resources to the downlink resource pool, the uplink resource pool, or the shared resource pool may be based on suitability of each frequency spectrum resource for uplink channel or downlink channel.