Sidelink Beamforming Power Control Using Pathloss-Based RS Mapping
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing power control for sidelink beamforming, particularly in heterogeneous networks with varying device capabilities and traffic loads, leading to suboptimal performance and resource utilization.
Innovation Solution
Implementing a mechanism for dynamic power control in sidelink beamforming based on device capabilities and traffic conditions, using adaptive algorithms to optimize power distribution across wireless devices and base stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If dynamic power control based on device capabilities and traffic conditions is implemented, then communication efficiency and resource utilization are improved, but device complexity and algorithm complexity increase
Solution Approach 1:
The patent implements dynamic power control where the network device adjusts transmit power based on real-time device capabilities and traffic conditions. The power control mechanism transitions from static to dynamic by continuously adapting power levels according to changing network states, device abilities, and traffic loads, thereby improving communication efficiency without requiring permanent structural complexity
Solution Approach 2:
The patent changes power control parameters dynamically based on device capabilities and traffic conditions. By adjusting power levels as variable parameters rather than fixed values, the system optimizes communication efficiency and resource utilization while managing complexity through parameter adaptation rather than structural complexity
2Reliability
If adaptive power optimization algorithms are used, then signal quality improves and interference is reduced, but computational requirements and processing complexity increase
Solution Approach 1:
The patent employs feedback mechanisms where the network device receives information about device capabilities and traffic conditions, then adjusts power control parameters accordingly. This closed-loop feedback system improves signal quality and reduces interference by continuously monitoring and responding to network conditions, while managing algorithmic complexity through structured feedback processing
Solution Approach 2:
The patent performs preliminary power control adjustments based on pre-acquired device capability information and traffic condition data. By preparing and optimizing power parameters in advance based on known device characteristics and traffic patterns, the system improves signal quality while reducing the need for complex real-time computational algorithms
Data Source
AI summary
A wireless device determines, based on a downlink reference signal (RS), one or more pathloss measurements. In an aspect of the wireless device, each of the one or more pathloss measurements is associated with at least one of sidelink RSs. The wireless device may further transmit, to a second wireless device, a sidelink signal using a transmit power. In an embodiment, a pathloss measurement, of the one or more pathloss measurements, used for determining the transmit power is associated with a sidelink RS of the sidelink RSs in response to the transmitting the sidelink signal being associated with the sidelink RS.