Mobile Small Cell Relay Handover in Ad Hoc Networks
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Solution Overview
Problem
Existing ad hoc networks face challenges in maintaining seamless communication handovers between moving small cell stations and macro cells, leading to potential degradation of signal strength and quality, especially at cell edges.
Innovation Solution
Implementing a method that anticipates and prepares for handovers by exchanging measurement information among mobile small stations to detect collective movement and signal strength changes, allowing for proactive selection of new relays before communication degradation occurs, ensuring continuous WAN connectivity and quality of service.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional handover methods are used in ad hoc networks, then device simplicity is maintained, but signal strength degradation occurs at cell edges
Solution Approach 1:
The patent implements preliminary action by having mobile small stations exchange measurement information and detect collective movement patterns before handover is actually needed. The system forecasts optimal handover points by analyzing signal strength trends and movement patterns in advance, allowing the network to prepare for handover proactively rather than reactively, thus maintaining signal strength without requiring complex real-time decision mechanisms
Solution Approach 2:
The patent introduces an intermediary forecasting mechanism that mediates between mobile small stations and macro cells. This intermediary system collects measurement information from multiple small stations, detects collective movement patterns, and forecasts optimal handover points, thereby simplifying the handover decision process while improving signal strength through coordinated handovers
2Productivity
If proactive handover preparation is implemented, then data rate degradation is prevented, but measurement and detection complexity increases
Solution Approach 1:
The patent applies merging by combining measurement information from multiple mobile small stations to detect collective movement patterns. Instead of each station independently processing measurements, the system merges their data to forecast handover points, which distributes the measurement burden while improving data rate through coordinated handovers that prevent degradation
3Duration of action of stationary object
If seamless handover is achieved through measurement exchange, then service continuity is maintained, but network overhead increases
Solution Approach 1:
The patent implements periodic action by having mobile small stations exchange measurement information at regular intervals rather than continuously. This periodic measurement exchange maintains service continuity through timely handover detection while reducing network overhead by avoiding constant communication between stations and the network
Data Source
AI summary
A mobile small station including a transceiver, a processor, and a memory having instructions for execution by the processor to exchange measurement information with a macro station, provide a wide area network connection and act as a relay for a small station moving network with the mobile small station, and perform handover of relay responsibilities to another mobile small station in the small station moving network.