Antenna Remote Unit Voltage Gain Control for Sidelink
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Solution Overview
Problem
In wireless communication systems, channel state estimation and decoding performance deteriorate due to changes in voltage gain, necessitating a method to control antenna remote units to maintain stable signal processing.
Innovation Solution
A method involving determining a specific time interval for channel state estimation or decoding, transmitting control signals to antenna remote units to fix voltage gain, and combining received signals using maximal ratio combining with weights adjusted based on gain information to correct noise power differences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If voltage gain is allowed to change dynamically in antenna remote units, then signal strength adaptation is improved, but channel state estimation performance and decoding performance deteriorate
Solution Approach 1:
The patent applies preliminary action by determining a time interval for fixing voltage gain before channel state estimation or decoding operations. The control signal is transmitted in advance to fix the voltage gain of antenna remote units during this predetermined time interval, ensuring stable signal processing conditions are established before the actual estimation or decoding takes place, thereby preventing performance deterioration while maintaining signal strength adaptation capability outside this interval
Solution Approach 2:
The patent applies parameter changes by dynamically adjusting the voltage gain parameter of antenna remote units. A control signal containing control information is transmitted to fix the voltage gain parameter during specific time intervals determined based on channel state estimation capability or decoding capability, allowing the system to switch between dynamic adaptation and fixed stabilization states to optimize both signal strength and processing performance
2Reliability
If voltage gain is fixed in antenna remote units, then channel state estimation performance is improved, but signal strength adaptation capability deteriorates
Solution Approach 1:
The patent applies periodic action by implementing a time-interval-based control mechanism where voltage gain is fixed during specific intervals determined by channel state estimation capability or decoding capability, and can be dynamically adjusted during other intervals. This periodic switching between fixed and adaptive states allows the system to maintain reliable channel estimation during critical processing intervals while preserving signal strength adaptation capability during non-critical intervals
3Stability of the object's composition
If control signal is transmitted frequently to fix voltage gain, then voltage gain stability is improved, but system overhead increases
Solution Approach 1:
The patent determines a time interval for fixing voltage gain in advance based on channel state estimation capability or decoding capability before actual signal processing occurs. This preliminary determination allows the system to transmit control signals only when necessary to establish stable conditions, avoiding frequent unnecessary transmissions and reducing overhead while maintaining voltage gain stability during critical operations
Data Source
AI summary
Disclosed herein are a method of controlling a plurality of antenna remote units by a user equipment (UE) in a wireless communication system supporting sidelink, and an apparatus therefor. Disclosed herein are a method controlling a plurality of antenna remote units by a user equipment (UE) in a wireless communication system supporting sidelink including determining a first time interval based on channel state estimation capability or decoding capability, transmitting a control signal to each of the plurality of antenna remote units based on the first time interval, and performing channel state estimation or signal decoding based on a plurality of signals respectively received by the plurality of antenna remote units, wherein the control signal comprises control information indicating fixing of voltage gain of each of the plurality of antenna remote units during the first time interval, and an apparatus therefor.