Adaptive Bandwidth Selection for Stable Wireless Throughput
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Solution Overview
Problem
Existing communication devices experience reduced throughput due to fixed bandwidth settings, which do not adapt to varying signal strengths, leading to suboptimal performance in both high and low signal conditions.
Innovation Solution
A communication device equipped with a receiving circuit, measurement circuit, processing circuit, and transmission circuit that dynamically adjusts bandwidth based on communication quality, allowing it to select an optimal bandwidth for improved throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the bandwidth is set to the highest supported value to achieve maximum throughput, then the throughput is improved when signal strength is high, but the throughput deteriorates when signal strength is low
Solution Approach 1:
The patent applies dynamics by making the bandwidth adjustable rather than fixed. The communication device dynamically changes the bandwidth based on real-time signal strength measurements, transitioning from a static highest-bandwidth configuration to a dynamic adaptive system that optimizes performance under varying channel conditions.
Solution Approach 2:
The patent changes the bandwidth parameter based on signal strength conditions. When signal strength is above a threshold, the device uses a first bandwidth (higher value); when signal strength falls below the threshold, it switches to a second bandwidth (lower value). This parameter adaptation resolves the contradiction by optimizing throughput for each signal condition.
2Device complexity
If a fixed bandwidth is used for all communication conditions, then the device complexity is reduced, but the throughput performance deteriorates under varying signal strengths
Solution Approach 1:
The communication device performs self-optimization by automatically measuring its own signal strength and selecting the appropriate bandwidth without external intervention. The device monitors channel conditions and autonomously adjusts bandwidth settings, eliminating the need for complex manual configuration while achieving optimal throughput.
Solution Approach 2:
The patent implements feedback by having the device measure signal strength and use this information to adjust bandwidth selection. The measurement circuit continuously monitors communication quality, and the processing circuit uses this feedback to determine the optimal bandwidth, creating a closed-loop control system that adapts to changing conditions.
Data Source
AI summary
A first communication device capable of selecting a bandwidth, includes a receiving circuit, for receiving a wireless signal from a second communication device according to a first bandwidth; a measurement circuit, coupled to the receiving circuit, for measuring a communication quality of the wireless signal; and a processing circuit, coupled to the measurement circuit, for selecting a second bandwidth according to the first bandwidth and the communication quality; and a transmission circuit, coupled to the processing circuit, for transmitting information of the second bandwidth to the second communication device, for the second communication device to transmit the wireless signal to the first communication device according to the second bandwidth.