Wireless Downlink Resource Reallocation for Throughput-Power Balance
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Solution Overview
Problem
Existing wireless downlink communication systems face inefficiencies in resource allocation, leading to unnecessary power consumption due to unutilized resources and redundancy, particularly during periods of varying throughput among users.
Innovation Solution
A system that reallocates frequency resources and transmission power budgets dynamically among users, allowing for modified frequency ranges and modulation coding schemes to optimize throughput and minimize power usage by turning off transmission circuits during unused time windows.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If frequency resources are allocated to multiple users simultaneously, then throughput is improved, but power consumption increases due to unutilized resources and redundancy
Solution Approach 1:
The patent implements dynamic resource allocation where the frequency resources allocated to each user are adjusted based on real-time throughput requirements. The system continuously monitors actual data transmission needs and reallocates frequency resources accordingly, ensuring that users receive only the resources they currently need, thereby eliminating waste from static over-allocation.
Solution Approach 2:
The system changes the allocation parameters of frequency resources dynamically. By modifying the frequency resource allocation based on observed throughput patterns and reassigning resources from users with low utilization to those with high demand, the system optimizes the balance between maintaining throughput and reducing power consumption from unused resources.
2Reliability
If transmission power budget is increased to maintain throughput during low utilization periods, then reliability is improved, but energy efficiency deteriorates
Solution Approach 1:
The patent applies partial action by allocating transmission power budgets that are sufficient for current throughput needs but not excessive. Instead of maintaining fixed high power budgets during low utilization periods, the system adjusts power allocation to match actual data transmission requirements, providing just enough power to maintain reliable communication without wasting energy on unused capacity.
Solution Approach 2:
The system implements feedback mechanisms where throughput performance is monitored and used to adjust future power budget allocations. By observing actual data transmission outcomes and feeding this information back into the resource allocation algorithm, the system learns to allocate appropriate power levels that maintain reliability while avoiding energy waste during varying utilization conditions.
3Use of energy by moving object
If frequency resources are reallocated dynamically, then power efficiency is improved, but system complexity increases
Solution Approach 1:
The patent segments the frequency spectrum into distinct resource blocks that can be independently allocated to different users. This segmentation allows the complex task of overall resource management to be broken down into simpler, manageable units of frequency resources that can be individually assigned and reassigned based on throughput requirements, reducing the complexity of dynamic reallocation.
Solution Approach 2:
The system performs preliminary actions by pre-defining frequency resource blocks and allocation rules before dynamic reallocation is needed. By establishing the framework of segmented frequency resources and allocation algorithms in advance, the system reduces the complexity of real-time decision-making, as the dynamic adjustment operates within pre-established parameters and constraints.
Data Source
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AI summary
There is provided an apparatus and a method. The apparatus is provided with receiving circuitry to receive, for each of a plurality of users, an initial resource allocation comprising an allocation of frequency resources to be used in a communication over a wireless downlink connection. The apparatus is also provided with transmission power budget allocation circuitry to allocate a portion of a total transmission power budget to each of the plurality of users. The apparatus is also provided with scheduling circuitry to perform a resource redistribution to obtain a revised resource allocation based on the portion of the total transmission power budget allocated to each of the plurality of users, the revised resource allocation comprising, for at least one user of the plurality of users, a modified frequency allocation corresponding to a different range of frequencies than the allocation of frequency resources comprised in the initial resource allocation.