User Equipment Dual Transmission Power Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In mobile communication systems, simultaneous transmission of radio signals with different frequencies to multiple transmission targets can result in significant power differences, leading to interference and quality deterioration, making normal signal transmission difficult.
Innovation Solution
The introduction of a second transmission power control parameter (TPC parameter C) is used to reduce power differences between radio signals, allowing for controlled transmission power during simultaneous transmission, even when signals differ in frequency and are transmitted to multiple targets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If radio signals are simultaneously transmitted to multiple base stations with different frequencies, then dual connectivity and communication diversity are achieved, but significant power differences cause interference and signal quality deterioration
Solution Approach 1:
The patent applies parameter changes by introducing a second transmission power control parameter (TPC parameter C) that specifically controls the transmission power of the second radio signal. This allows dynamic adjustment of power levels for different frequency signals, changing the power distribution parameters to prevent the strong signal from interfering with the weak signal, thereby resolving the contradiction between achieving dual connectivity and avoiding interference.
2Reliability
If transmission power is increased to maintain signal quality to distant base stations, then communication reliability improves, but power differences between signals increase causing interference
Solution Approach 1:
The patent applies local quality by implementing different transmission power control mechanisms for different radio signals. Instead of using a uniform power control approach, the system applies a first TPC parameter for the first radio signal and a second TPC parameter (TPC parameter C) for the second radio signal. This localized power control ensures that each signal maintains appropriate quality for its specific transmission conditions while preventing harmful interference between signals with different power requirements.
Data Source
AI summary
In a user equipment, base station and method for a mobile communication system, the user equipment receives, from a first base station, transmission power control information used for a dual simultaneous transmission in which radio signals are simultaneously transmitted to both the first base station and a second base station, and determines a first transmission power and a second transmission power for the dual simultaneous transmission based on the transmission power control information. The first transmission power is used for transmitting a radio signal to the first base station, and the second transmission power is used for transmitting a radio signal to the second base station.