Inter-Vehicle Wireless Resource Allocation for Interference Resolution
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Solution Overview
Problem
Existing wireless communication systems face challenges in reducing inter-vehicle interference when vehicles with intra-vehicle wireless networks operate in close proximity, leading to conflicts in resource allocation that can affect data reception and cause incorrect or corrupt data processing.
Innovation Solution
The system detects proximity of nearby vehicles with intra-vehicle networks, obtains resource allocation information, and resolves conflicts by allocating different sets of resources or reducing transmission power to minimize interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If vehicles use intra-vehicle wireless networks for sensor communication, then data transmission speed and system complexity are reduced, but inter-vehicle interference and resource conflicts increase
Solution Approach 1:
The patent divides the wireless resource space into vehicle-specific segments by allocating dedicated resource sets to each vehicle based on its geographic location. This segmentation prevents inter-vehicle interference by ensuring that vehicles operating in different locations use different resource sets, thereby eliminating resource conflicts while maintaining high data transmission speeds within each vehicle's intra-vehicle network.
Solution Approach 2:
The patent introduces a network entity (such as a base station or central controller) as an intermediary that coordinates resource allocation across multiple vehicles. This intermediary receives location information from vehicles, determines appropriate resource sets, and assigns them to prevent conflicts. The intermediary enables efficient resource management at the system level without requiring complex peer-to-peer negotiation between vehicles.
2Reliability
If resource allocation is optimized for each vehicle individually, then data reception reliability improves, but system complexity and coordination overhead increase
Solution Approach 1:
The patent changes the parameter of resource allocation from a centralized complex coordination model to a location-based deterministic assignment model. By using geographic location as the key parameter for resource set selection, the system achieves high data reception reliability through simple, predictable resource assignment rules that reduce coordination overhead and system complexity.
3Object-affected harmful factors
If transmission power is reduced to minimize interference, then inter-vehicle interference decreases, but signal quality and data reception reliability worsen
Solution Approach 1:
The patent extracts the source of interference by assigning different resource sets to different vehicles based on their locations, rather than trying to reduce transmission power. This extraction approach removes the interference problem at its source by ensuring that vehicles do not transmit on the same resources, thereby maintaining high signal quality and data reception reliability without requiring power reduction.
Data Source
AI summary
Certain aspects of the present disclosure provide techniques for reducing inter-vehicle interference. In certain aspects, a method performed by a first vehicle may include detecting a second vehicle is in proximity of the first vehicle, determining that the second vehicle includes an intra-vehicle, obtaining resource allocation information associated with the intra-vehicle network of the second vehicle, the resource allocation information indicating a first set of resources allocated to one or more first sensors of the second vehicle located at least in a first portion of the second vehicle, determining that the first set of resources conflict with a second set of resources allocated to one or more first sensors of the first vehicle located in at least a first portion of the first vehicle, and performing one or more actions to resolve the determined conflict between the first set of resources and the second set of resources.