Wireless Handoff via Dynamic Antenna Beam Adaptation
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Solution Overview
Problem
Complex wireless communication systems with adaptive antenna capabilities face challenges in maintaining continuous coverage due to constantly changing sectors, leading to difficulties in handoff processes for wireless devices between overlapping networks.
Innovation Solution
Implementing methods and systems at wireless networks to receive and analyze coverage information, determine handoff feasibility, and adapt antenna beams to facilitate seamless handoffs between networks, using coverage managers and adaption managers to manage and adjust coverage areas dynamically.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If adaptive beamforming is used to optimize network coverage, then network efficiency is improved, but coverage stability deteriorates due to constantly changing sectors
Solution Approach 1:
The system performs preliminary actions by having the wireless device detect and report coverage information about the second network before handoff is initiated. This advance detection enables the first network to proactively prepare for handoff, compensating for the instability caused by dynamic beamforming sectors.
Solution Approach 2:
The system implements feedback mechanisms where the wireless device continuously monitors and reports coverage information to the network. This feedback loop allows the network to adapt to changing sector configurations and maintain stable handoff decisions despite dynamic beamforming.
2Adaptability or versatility
If sector coverage changes frequently to adapt to traffic patterns, then network adaptability is improved, but handoff reliability deteriorates
Solution Approach 1:
The system performs preliminary detection of coverage information by the wireless device before handoff is initiated. This advance detection creates a reliable basis for handoff decisions, ensuring that even with frequent sector changes, the handoff process remains reliable.
Solution Approach 2:
The wireless device acts as an intermediary that detects and reports coverage information between the networks. This intermediary role provides reliable information about the second network's coverage, enabling reliable handoff decisions despite the first network's frequent sector changes.
3Measurement precision
If coverage information is collected continuously to maintain accurate handoff decisions, then handoff accuracy is improved, but system complexity increases
Solution Approach 1:
The wireless device serves as an intermediary that performs the complex task of detecting and reporting coverage information. This distributes the complexity from the network infrastructure to the device level, maintaining handoff accuracy while avoiding excessive network system complexity.
Data Source
AI summary
Examples are disclosed for a wireless device handoff between a first wireless network and a second wireless network.