Spatial Routing for Microwave Backhaul Transceivers
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Solution Overview
Problem
Conventional microwave backhaul systems face limitations in efficiently routing signals among transceivers, leading to suboptimal throughput, increased latency, and potential collisions, especially under varying atmospheric conditions and physical obstructions.
Innovation Solution
The implementation of spatial routing algorithms and dynamic beamforming circuitry in microwave backhaul transceivers, which adjust phase and amplitude coefficients to optimize radiation patterns based on real-time atmospheric conditions, physical obstructions, and data characteristics, allowing for intelligent selection of communication partners and link configurations to maximize throughput and minimize latency while avoiding collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional microwave backhaul systems use fixed routing methods, then system simplicity is maintained, but throughput is suboptimal and latency increases under varying atmospheric conditions
Solution Approach 1:
The patent implements dynamic spatial routing that adapts beamforming parameters (phase and amplitude coefficients) in real-time based on atmospheric conditions, physical obstructions, and traffic patterns. This allows the system to optimize throughput dynamically rather than using fixed routing, directly resolving the contradiction between maintaining simplicity and achieving optimal productivity.
Solution Approach 2:
The system changes physical parameters (phase and amplitude coefficients of beamforming) in response to varying conditions such as atmospheric attenuation and obstruction. By modifying these parameters dynamically, the system improves throughput without requiring complete system redesign, balancing complexity and performance.
2Loss of time
If conventional systems use static beamforming, then device complexity is reduced, but latency increases and collision avoidance capability deteriorates
Solution Approach 1:
The patent employs feedback mechanisms where the spatial routing algorithm continuously monitors link quality, atmospheric conditions, and traffic patterns, then adjusts beamforming parameters accordingly. This closed-loop control reduces latency by proactively optimizing paths and avoids collisions through real-time adaptation, justifying the increased beamforming circuitry complexity.
Solution Approach 2:
The system performs preliminary routing calculations and beamforming adjustments before data transmission begins, anticipating potential collisions and suboptimal paths. This advance preparation reduces actual transmission latency and prevents collisions, making the complexity investment worthwhile.
3Reliability
If microwave backhaul transceivers use simple routing algorithms, then ease of operation is maintained, but reliability deteriorates under adverse atmospheric conditions and physical obstructions
Solution Approach 1:
The spatial routing algorithm with beamforming capability operates autonomously, automatically adapting to atmospheric conditions and physical obstructions without manual intervention. The system self-adjusts phase and amplitude coefficients to maintain reliable communication, eliminating the need for complex manual configuration while ensuring high reliability under adverse conditions.
4Productivity
If conventional backhaul systems lack dynamic spatial routing, then device complexity is minimized, but collision avoidance capability and network efficiency are reduced
Solution Approach 1:
The patent introduces spatial dimensionality to routing by implementing beamforming with adjustable phase and amplitude coefficients across multiple antenna elements. This transforms traditional single-path routing into multi-dimensional spatial multiplexing, enabling collision avoidance through spatial separation and improving network efficiency through parallel communication paths, justifying the increased algorithm complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances network performance by dynamically optimizing signal routing and beamforming, improving throughput, reducing latency, and preventing collisions, thus ensuring reliable and efficient microwave backhaul communication even under adverse conditions.
Implementation Method 1
dynamic beamforming circuitry in microwave backhaul transceivers, which adjust phase and amplitude coefficients to optimize radiation patterns
Implementation Method 2
based on determined atmospheric conditions between the first microwave backhaul transceiver and one or more second microwave backhaul transceivers
Data Source
AI summary
A first microwave backhaul transceiver may comprise a plurality of antenna elements. The transceiver may determine atmospheric conditions between it and one or more potential link partners, and adjust a radiation pattern of the plurality of antenna elements based on the determined atmospheric conditions. A first radiation pattern of the plurality of antenna elements may correspond to a first microwave backhaul link between the first microwave transceiver and a second microwave backhaul transceiver. A second radiation pattern of the plurality of antenna elements may correspond to a second microwave backhaul link between the first microwave transceiver and a third microwave backhaul transceiver. The transceiver may adjust the radiation pattern based on characteristics of data to be transmitted, and based on a routing table it maintains.