Neighbor Antenna Repointing for Real-Time Radio Coverage Gaps
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Modern cellular networks experience service disruptions due to network service activities, unplanned outages, and sudden demand spikes, leading to large numbers of user equipment being unable to receive service.
Innovation Solution
Implement real-time radio site coverage adjustment by determining antenna pointing adjustments for neighboring radio sites to supplement coverage when a site is overwhelmed or offline, using mechanical tilt and/or beamforming to redirect antenna beams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If network service activities are performed on all radio sites, then network maintenance and upgrades are completed, but large numbers of UEs experience service disruptions and dead zones
Solution Approach 1:
A neighboring radio site acts as an intermediary to provide temporary coverage to UEs whose serving radio site is undergoing maintenance. The neighboring site adjusts its antenna pointing direction to redirect coverage toward the affected area, serving as a mediator that bridges the service gap during network maintenance activities.
Solution Approach 2:
The antenna pointing direction of neighboring radio sites is dynamically adjusted in real-time based on the operational status of serving radio sites. When a radio site goes offline for maintenance, the system automatically recalculates and adjusts antenna directions to redirect coverage dynamically, allowing the network to adapt its configuration to maintain service continuity.
2Reliability
If antenna pointing direction is adjusted to redirect coverage, then service continuity is maintained for UEs, but the original coverage area of the second radio site may be reduced
Solution Approach 1:
The system changes the pointing direction parameter of the antenna to redirect the main lobe of the radiation pattern toward the affected coverage area. By adjusting this angular parameter, the coverage ellipse is reoriented to overlap with the service gap created by the offline radio site, temporarily sacrificing some original coverage area to maintain service continuity in the critical zone.
3Reliability
If real-time monitoring and adjustment is implemented, then service disruptions are minimized, but system complexity increases
Solution Approach 1:
The system implements continuous monitoring of radio site operational status and UE connection states, using this feedback to trigger automatic antenna pointing adjustments. When a radio site is detected as offline or overloaded, the system receives feedback about the coverage gap and automatically adjusts neighboring antennas to compensate, creating a closed-loop control system that maintains service reliability without manual intervention.
Data Source
AI summary
Solutions are disclosed that advantageously perform real-time radio site coverage adjustment, such as by adjusting antenna pointing directions, to minimize service disruptions in a wireless network. When a first radio site is unable to meet demand for service, due to a scheduled network service activity, an unplanned outage, or a spike in demand, an antenna at a second radio site (e.g., a neighbor of the first radio site), is aimed (pointed) such that it is the second radio site is able to meet at least a portion of the demand for service of the first radio site. The pointing may be accomplished using mechanical tilt and/or beamforming. This may cascade, such that a third radio site supplements coverage for the second radio site's larger traffic demand. Upon the first radio site's unmet traffic demand abating, the antenna of the second radio site may return to its default pointing direction.