NR Channel Transmission Using Dynamic Time Unit Aggregation
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Solution Overview
Problem
The flexibility of channel transmission in current New Radio (NR) systems is limited due to terminal device transmission power constraints, necessitating more flexible channel transmission methods.
Innovation Solution
The method involves dynamically selecting time units for channel transmission, allowing transmission across multiple time units to enhance flexibility, especially when power is limited, by using time unit aggregation and ensuring constraints on available resources and priorities are met.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If terminal device uses fixed time unit for channel transmission, then transmission process is simple, but channel transmission flexibility is poor
Solution Approach 1:
The patent applies dynamics by enabling the terminal device to dynamically select time units for channel transmission based on constraint conditions. Instead of using fixed time units, the system allows flexible determination of time units (singular or multiple) according to available physical resources and channel priorities, thereby improving adaptability while managing complexity through structured selection criteria.
Solution Approach 2:
The patent changes the parameter of time unit selection from fixed to variable. The terminal device determines whether to use one or multiple time units based on constraint conditions such as available physical resources and channel priorities. This parameter change enables flexible adaptation to different transmission scenarios while maintaining systematic control through defined selection rules.
2Adaptability or versatility
If terminal device transmits channel on multiple time units, then channel transmission flexibility is improved, but transmission power requirement increases
Solution Approach 1:
The patent changes the transmission approach from single time unit to multiple time units based on constraint conditions. When physical resources are limited or channel priority is low, the system selects multiple time units with smaller resource allocations per unit, distributing the transmission power requirement across multiple instances rather than concentrating it in one high-power transmission.
Solution Approach 2:
The patent segments the channel transmission across multiple time units when constraint conditions are met. Instead of transmitting the entire channel in one time unit with high power, the transmission is divided into multiple segments across different time units, each with lower individual power requirements, thereby reducing peak power demands while maintaining overall transmission flexibility.
3Adaptability or versatility
If terminal device dynamically selects time units, then channel transmission flexibility is enhanced, but resource allocation complexity increases
Solution Approach 1:
The patent changes resource allocation from fixed to dynamic based on constraint conditions. The terminal device evaluates available physical resources and channel priorities to determine the number and type of time units for transmission. This dynamic parameter adjustment enhances flexibility while managing complexity through systematic evaluation criteria and structured decision-making processes.
Solution Approach 2:
The patent applies local quality by allowing different time units to have different resource allocations and characteristics based on local constraint conditions. Each time unit can be selected or rejected independently based on whether it meets the constraint conditions, enabling localized optimization of resource allocation without requiring complex global coordination.
Data Source
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AI summary
Provided in embodiments of the present application are a wireless communication method and apparatus, configured to improve flexibility of channel transmission. The method comprises: a terminal apparatus determining, starting from a first time unit and according to a constraint condition, multiple time units configured to transmit a first channel; and the terminal apparatus sending to a network apparatus the first channel on the multiple time units.