Adaptation Layer Packets for Wireless Backhaul Failure Signaling
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing and optimizing the transmission of data packets over wireless backhaul links, particularly in multi-carrier communication systems, due to varying radio conditions and dynamic modulation requirements.
Innovation Solution
The implementation of an adaptation layer packet system that dynamically adjusts modulation and coding schemes based on real-time radio conditions, enabling efficient data transmission and resource allocation across multiple carriers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If dynamic modulation and coding schemes are implemented to adapt to varying radio conditions, then data transmission efficiency is improved, but system complexity increases
Solution Approach 1:
The patent implements dynamic modulation and coding schemes that automatically adjust transmission parameters based on real-time radio conditions. The system transitions from static to dynamic operation by monitoring channel quality indicators and adapting modulation orders and coding rates accordingly, resolving the contradiction between maintaining efficiency and managing complexity through automated adaptation.
Solution Approach 2:
The invention changes physical transmission parameters (modulation order, coding rate) based on measured radio conditions. By systematically varying these parameters in response to channel state information, the system optimizes data transmission efficiency while maintaining manageable complexity through standardized parameter adjustment rules.
2Reliability
If real-time radio condition monitoring is implemented to optimize transmission, then network reliability is improved, but resource consumption increases
Solution Approach 1:
The patent implements feedback mechanisms where the system continuously monitors radio conditions and uses this information to adjust transmission parameters. The feedback loop measures channel quality, compares it against thresholds, and triggers appropriate modulation and coding adjustments, improving reliability while managing resource consumption through selective monitoring and adjustment.
Solution Approach 2:
The system performs self-optimization by automatically monitoring its own transmission conditions and adjusting parameters without external intervention. This self-service capability improves network reliability through continuous adaptation while minimizing additional resource consumption by using existing measurement capabilities for decision-making.
3Productivity
If multi-carrier transmission is used to increase bandwidth capacity, then data transmission rate is improved, but interference management becomes more difficult
Solution Approach 1:
The patent divides the transmission spectrum into multiple carriers, allowing independent optimization of each carrier based on its specific radio conditions. This segmentation enables parallel transmission at higher rates while simplifying interference management by treating each carrier as a separate channel with its own modulation and coding parameters.
Solution Approach 2:
The invention applies different modulation and coding schemes to different carriers based on their local radio conditions. Each carrier is optimized independently with parameters matched to its specific channel quality, improving overall transmission rate while managing interference through localized parameter adjustment rather than system-wide changes.
Data Source
AI summary
A wireless device communicates, with a base station distributed unit (BS-DU) and via at least one bearer configured between the wireless device and a base station central unit (BS-CU) through the BS-DU, a first adaptation layer packet, wherein a first header of the first adaptation layer packet comprises a route identifier indicating a route. The wireless device receives, from the BS-DU, backhaul link information indicating a failure of a link between the BS-DU and the BS-CU, wherein a second header of a second adaptation layer packet comprises the backhaul link information indicating the failure of the link.