Wireless Base Station Self-Configuration via Low-Power Neighbor Detection
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Solution Overview
Problem
The deployment and configuration of small cellular base stations (small eNBs) in modern cellular communication systems are complex and require consideration of local radio conditions, necessitating simplified and automated processes to facilitate easier deployment and configuration without interfering with neighboring cells.
Innovation Solution
A method and apparatus for a wireless base station that enters a reduced power configuration mode, receives neighboring cell information through low-power or non-cellular communications, and reconfigures based on this information to avoid conflicts, incrementally increasing power upon successful reconfiguration, allowing for automated and efficient deployment and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a small eNB is deployed with full cellular functionality immediately, then it can provide complete service coverage, but it may cause interference with neighboring cells and require complex manual configuration
Solution Approach 1:
The small eNB performs preliminary actions by gathering neighboring cell information through low-power communications before activating full cellular functionality. This preliminary configuration phase allows the system to prepare necessary parameters and avoid interference issues before full-power operation begins
Solution Approach 2:
The deployment process is segmented into distinct phases: an initial low-power configuration mode for gathering neighboring cell information, followed by a full-power operational mode. This segmentation allows complex configuration tasks to be separated from service provision tasks
2Productivity
If a small eNB operates at full transmit power from deployment, then it provides maximum service capacity, but it creates harmful interference with neighboring cells
Solution Approach 1:
The system performs preliminary information gathering about neighboring cells at low power levels before initiating full-power transmission. This preliminary action ensures that the small eNB has necessary configuration data to avoid interference before maximum service capacity is activated
Solution Approach 2:
The transmit power parameter is dynamically changed based on operational phase: low power during configuration mode for interference-free information gathering, then switched to full power in operational mode after proper configuration is established
3Manufacturing precision
If manual configuration is used for small eNB deployment, then precise control over configuration parameters is achieved, but the deployment process becomes time-consuming and complex
Solution Approach 1:
The small eNB performs self-configuration by automatically gathering neighboring cell information through low-power communications and determining its own operational parameters. This self-service capability eliminates the need for time-consuming manual configuration while maintaining precise control over deployment parameters
Solution Approach 2:
The system uses feedback from low-power communications with neighboring cells to automatically adjust configuration parameters. The small eNB receives information about the radio environment and uses this feedback to configure itself appropriately, achieving precise configuration without manual intervention
Data Source
AI summary
Systems and techniques for configuring a wireless base station. A wireless base station enters a configuration mode including less than full cellular functionality, receives neighboring cell information at least one neighbor cell in the vicinity of the wireless base station using communications requiring less than full cellular functionality by the wireless base station, and entering an operational mode including full cellular functionality, using a configuration based at least in part on the neighboring cell information.