Wireless Link Power Control for Bandwidth and Interference Shifts
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Solution Overview
Problem
Conventional CBRS network planning faces inefficiencies in managing wireless bandwidth allocation and interference, leading to suboptimal connectivity and data rates, especially at the edge of coverage areas.
Innovation Solution
A communication management resource dynamically controls the power levels of wireless stations based on bandwidth changes and interference detection, ensuring maintained connectivity and data rates by adjusting transmit power levels in response to bandwidth reductions or increases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If bandwidth allocation is reduced for wireless stations, then interference is reduced and spectrum efficiency is improved, but connectivity and data rates deteriorate
Solution Approach 1:
The system dynamically changes the power level parameter of wireless stations in response to bandwidth changes. When bandwidth is reduced, the system increases power levels to maintain connectivity; when bandwidth is increased, the system decreases power levels to reduce interference. This parameter adjustment resolves the contradiction by adapting power levels to current bandwidth conditions.
Solution Approach 2:
The communication management resource receives messages about bandwidth usage and allocative changes, then controls power levels based on this feedback. This closed-loop feedback mechanism allows the system to respond to bandwidth changes and maintain optimal connectivity while managing interference through continuous adjustment of power parameters.
2Productivity
If bandwidth allocation is reduced for wireless stations, then spectrum efficiency is improved, but data rates deteriorate
Solution Approach 1:
The system adjusts power levels as a compensating parameter when bandwidth changes occur. By increasing power levels when bandwidth is reduced, the system maintains data rates despite lower spectrum efficiency, and vice versa. This parameter compensation resolves the contradiction between spectrum efficiency and data rate requirements.
3Reliability
If power levels are increased to maintain connectivity at reduced bandwidth, then connectivity is maintained, but interference increases
Solution Approach 1:
The system dynamically adjusts power levels based on real-time bandwidth conditions rather than using fixed power settings. When bandwidth is reduced, power levels are temporarily increased to maintain connectivity; when bandwidth is increased, power levels are decreased to reduce interference. This dynamic adaptation resolves the contradiction by making power levels conditional on bandwidth availability.
Solution Approach 2:
The communication management resource receives feedback about bandwidth allocation and control notifications, then adjusts power levels accordingly. This feedback mechanism ensures that power increases occur only when necessary for connectivity maintenance, and power decreases occur when bandwidth is sufficient, thereby managing interference while maintaining reliability.
4Device complexity
If conventional network planning is used without dynamic power control, then device complexity is reduced, but network efficiency deteriorates
Solution Approach 1:
The communication management resource automatically monitors bandwidth usage, receives control notifications, and adjusts power levels without manual intervention. This self-service approach maintains network efficiency through dynamic adaptation while keeping operational complexity low, as the system autonomously manages the trade-offs between connectivity, data rates, and interference.
Data Source
AI summary
A wireless system as discussed herein includes a communication management resource configured to receive a message associated with usage of wireless bandwidth allocated for use by multiple wireless stations (such as a first wireless station and the second wireless station) communicating with each other in a network environment. In response to receiving the message, the communication management resource controls a power level of the first wireless station wirelessly transmitting communications to the second wireless station in the network environment. The power level can be controlled under different circumstances (such as increase in the magnitude of the wireless bandwidth, decrease in the magnitude of the wireless bandwidth, detection of interference, etc.) to maintain wireless connectivity between the first wireless station and the second wireless station.