Adaptive Reverse Channel Transmission via Periodic Forward Measurement
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Solution Overview
Problem
In wireless communication systems, the efficiency of channel transmission is reduced due to remote nodes transmitting reverse channels without considering the channel state, leading to unnecessary power consumption and limited transmission performance.
Innovation Solution
A method where a remote node intermittently receives a forward channel, estimates the state of the reverse channel based on the received forward channel, and adaptively transmits the reverse channel only when the channel state meets a preset condition, optimizing power usage and transmission performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the remote node continuously transmits the reverse channel to ensure reliable communication, then the reliability of communication is improved, but the power consumption increases
Solution Approach 1:
The remote node performs channel measurement periodically rather than continuously, measuring the forward channel at specific intervals and using these periodic measurements to adaptively control reverse channel transmission. This periodic measurement approach reduces power consumption while maintaining communication reliability through adaptive transmission based on measured channel conditions.
Solution Approach 2:
The system implements feedback by measuring the forward channel state and using this information to adaptively control the reverse channel transmission. The remote node measures the forward channel, estimates the reverse channel state, and adjusts transmission accordingly, creating a closed-loop feedback mechanism that optimizes both reliability and power consumption.
2Measurement precision
If the remote node continuously measures the forward channel to maintain accurate channel state information, then the transmission performance is improved, but the power consumption increases
Solution Approach 1:
The remote node measures the forward channel periodically at predetermined intervals rather than continuously. This periodic measurement reduces power consumption by keeping the receiver off between measurement periods, while still maintaining sufficient channel state accuracy for adaptive transmission control.
Solution Approach 2:
The system performs channel measurement in advance at specific intervals and stores the measured channel state information. This preliminary measurement approach allows the remote node to have accurate channel state information available when needed for reverse channel transmission decisions, without requiring continuous measurement.
3Speed
If the remote node transmits the reverse channel without considering channel state to ensure timely response, then the speed of communication is improved, but the transmission performance deteriorates
Solution Approach 1:
The remote node performs preliminary channel measurement and estimates the reverse channel state before transmitting. This preliminary action of measuring the forward channel and estimating channel conditions allows the node to make informed transmission decisions, ensuring both timely response and optimal transmission performance based on actual channel state.
Solution Approach 2:
The system dynamically adjusts reverse channel transmission based on measured channel state. Rather than using a fixed transmission strategy, the remote node adapts its transmission behavior according to the estimated reverse channel conditions, optimizing transmission performance while maintaining responsive communication.
Data Source
AI summary
The present invention relates to an apparatus and method for transmitting through an adaptive channel using a channel state. According to one embodiment of the present invention, a method for a remote node to transmit through a channel includes the steps of: intermittently receiving a forward channel signal transmitted from a host node; estimating a reverse channel state on the basis of the received forward channel signal; and determining whether or not the estimated reverse channel state satisfies preset channel conditions, and adaptively transmitting a reverse channel signal according to the determined result.