MIMO HPA Sharing for Power Reduction
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Solution Overview
Problem
MIMO systems require a large number of High Gain Power Amplifiers (HPAs), leading to increased cost, power consumption, and carbon emissions, due to the need for multiple components to cover multiple sectors effectively.
Innovation Solution
Sharing of HPAs between neighboring sectors or using them alternately, with means such as SPDTs or a switching matrix, to determine and adjust usage requirements, thereby reducing the number of HPAs needed and optimizing power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If MIMO systems use multiple antennas and transceivers to improve link quality and capacity, then system performance is improved, but the number of High Gain Power Amplifiers (HPAs) increases significantly, leading to increased cost and power consumption
Solution Approach 1:
The patent merges the HPA resources across multiple sectors by implementing shared HPAs that can be dynamically allocated to different sectors based on traffic demand. Instead of dedicating separate HPAs to each sector, the system combines HPA resources into a pool that serves multiple sectors, thereby reducing the total number of HPAs required while maintaining link quality through coordinated resource sharing.
Solution Approach 2:
The patent makes HPAs universal by designing them to serve multiple functions and multiple sectors. The shared HPAs can be dynamically assigned to different sectors depending on traffic conditions, making each HPA multi-functional. This universality allows the system to reduce the total number of HPAs while still providing adequate power amplification capacity across all sectors.
2Productivity
If MIMO systems increase the number of transceivers and HPAs to cover multiple sectors, then system capacity is improved, but device complexity and component quantity increase substantially
Solution Approach 1:
The patent merges HPA components across sector boundaries, creating a shared resource pool that reduces the total component count. By combining previously separate HPA units into shared resources that serve multiple sectors, the system maintains high system capacity while substantially reducing device complexity and the number of physical components required.
Solution Approach 2:
The patent introduces dynamic resource allocation mechanisms that allow HPAs to be flexibly assigned to different sectors based on real-time traffic demands. This dynamic approach enables the system to maintain high capacity during peak periods while reducing active component usage during low-demand periods, thereby reducing overall device complexity without sacrificing productivity.
3Reliability
If dedicated HPAs are allocated to each sector to ensure reliable operation, then system reliability is improved, but cost and power consumption increase due to the large number of HPAs required
Solution Approach 1:
The patent merges HPA resources into shared pools that serve multiple sectors, reducing the total number of HPAs required and thereby lowering system cost. The shared architecture maintains reliability through coordinated resource allocation and redundancy management, ensuring that each sector has access to sufficient HPA capacity when needed without requiring dedicated HPAs for each sector.
Solution Approach 2:
The patent changes the operational parameters of the HPA system by implementing dynamic power allocation and resource sharing mechanisms. Instead of maintaining fixed dedicated HPAs for each sector, the system adjusts HPA usage parameters based on traffic demands, allowing reliable operation with fewer total HPAs and reduced system cost through optimized resource utilization.
Data Source
AI summary
A device and method including a plurality of transmitters and/or receiver units and antennae therefore, and wherein each of said units are arranged radially to cover a plurality of sectors; and including at least one component necessary for the operation of said units, and arranged such that said component is shared between two or more units and/or their respective antennae. The device and method has application to MIMO systems.