MIMO Communication Paths with Selective Component Power-Down
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Solution Overview
Problem
MIMO wireless communication systems face high power consumption due to the need for additional communication paths during low traffic periods, which can lead to waste and the risk of losing reference and synchronization signals when paths are turned off.
Innovation Solution
A system that powers down specific components of MIMO communication paths not in use, using controllers to manage power reduction while maintaining quality of service, including techniques like interleave to ensure reference and synchronization content is maintained in active paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple MIMO communication paths are activated to increase data throughput, then data transmission capacity is improved, but power consumption increases due to additional power amplifiers and transmitters
Solution Approach 1:
The system dynamically adjusts the number of active MIMO communication paths based on real-time traffic conditions. During high traffic periods, all MIMO paths are activated to maximize data throughput. During low traffic periods, fewer MIMO paths are activated to reduce power consumption, while maintaining at least one path active to preserve reference and synchronization signals
Solution Approach 2:
The MIMO communication system is segmented into multiple independent communication paths, each with its own power amplifier and transmitter components. This segmentation allows selective activation and deactivation of individual paths based on traffic demands, enabling granular power management while maintaining overall system functionality
2Loss of energy
If MIMO communication paths are turned off during low traffic to reduce power consumption, then power waste is reduced, but reference and synchronization signals may be lost
Solution Approach 1:
The system is designed to maintain at least one MIMO communication path in an active state at all times, regardless of traffic conditions. This preliminary action ensures that reference and synchronization signals are continuously available, preventing signal loss while still allowing power reduction in other paths during low traffic periods
3Reliability
If all MIMO communication paths remain active to maintain service quality, then quality of service is preserved, but power consumption remains high during low traffic periods
Solution Approach 1:
Instead of maintaining all MIMO communication paths active at full power during low traffic periods, the system applies partial action by keeping only the necessary minimum number of paths active (at least one path for reference and synchronization signals) while reducing or shutting down other paths. This approach maintains adequate quality of service while significantly reducing power consumption
Data Source
AI summary
A communication system having a plurality of multiple input multiple output (MIMO) communication paths with power reduction with is provided. The MIMO communication paths include a plurality of downlink communication paths and a plurality of uplink communication paths. At least some of the downlink communication paths are configured to communicate a same communication signal. Each downlink communication path including a plurality of downlink communication path components. Each uplink communication path including a plurality of uplink communication components. At least one controller is configured to power down at least one of at least one downlink component of the plurality of downlink components and at least one of an uplink component of the plurality of uplink components during at least one power saving mode.