Asymmetric Dynamic Routing for MVDDS Signal Degradation
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Solution Overview
Problem
Current wireless data delivery mechanisms like MVDDS suffer from limited range, spectrum, and speed, and are unidirectional, making it difficult for service providers to determine when the service becomes degraded or unavailable, leading to communication failures and poor signal reception.
Innovation Solution
A dynamic router system that can detect signal strength and throughput issues in MVDDS channels and dynamically route communications between MVDDS and secondary channels like WiMAX, 3G, or DSL based on real-time status information, ensuring continuous and reliable data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If MVDDS channel is used for data transmission, then downlink speed is improved, but reliability deteriorates due to unidirectional nature making it difficult to detect service degradation
Solution Approach 1:
A gateway device is introduced as an intermediary between the MVDDS receiver and the network. The gateway receives status information from the receiver about MVDDS channel conditions and uses this information to dynamically route communications. This mediator enables indirect monitoring of the unidirectional MVDDS channel quality by analyzing return path status information, thus resolving the reliability issue while maintaining high downlink speed.
Solution Approach 2:
The system implements feedback by having the MVDDS receiver send status information about channel quality and signal strength back through the return path to the gateway. The gateway uses this feedback to determine when to switch between MVDDS and alternative channels, enabling dynamic adaptation to changing channel conditions while maintaining the high-speed downlink capability.
2Reliability
If dynamic routing between multiple channels is implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The gateway device is designed to perform multiple functions: it acts as a router for communications, a monitor for MVDDS channel status, and a switch for dynamic channel selection. By consolidating these functions into a single multi-functional device, the system achieves reliable dynamic routing without proportionally increasing overall system complexity.
Solution Approach 2:
The MVDDS receiver autonomously monitors its own channel conditions and generates status information about signal quality. This self-monitoring capability reduces the complexity burden on the gateway, as the receiver independently performs detection functions that would otherwise require complex monitoring infrastructure.
3Productivity
If MVDDS channel is used, then throughput is improved, but adaptability deteriorates when channel becomes unavailable
Solution Approach 1:
The routing system is made dynamic by continuously monitoring MVDDS channel status and automatically switching between MVDDS and alternative channels based on real-time conditions. This dynamic adaptation allows the system to maintain high throughput when MVDDS is available while flexibly transitioning to other channels when needed, thus resolving the adaptability issue.
Solution Approach 2:
The system changes the routing parameter dynamically based on MVDDS channel quality indicators. When signal strength or throughput falls below thresholds, the gateway changes the active communication channel parameter from MVDDS to alternative channels, enabling adaptation to varying channel availability while optimizing throughput performance.
Data Source
AI summary
A method for dynamic routing is provided. Status information of a multichannel video and data distribution service (MVDDS) channel from customer premises equipment (CPE) is received. The status information is evaluated to determine if data destined for the CPE over the MVDDS channel should be routed over a secondary channel. Data destined for the CPE is route over the secondary channel when the data is determined to be routed over the secondary channel.