Digital Transmission Apparatus Separating System Information Processing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In digital transmission systems, processing and transmitting system information alongside a frame body can be time-consuming due to the need for equalization, which affects the efficiency of signal analysis in reception apparatuses.
Innovation Solution
A digital transmission apparatus processes system information and frame bodies separately and transmits them without equalization, using a frame generator to multiplex system information with the frame header and data, allowing for flexible insertion locations and methods, and a digital reception apparatus synchronizes and analyzes the system information without equalization to compensate for channel distortion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If system information is processed and transmitted alongside the frame body using the same processing method, then the transmission can be completed, but the analysis time for system information increases significantly due to equalization requirements
Solution Approach 1:
The patent divides the transmission into two separate parts: frame body transmission and system information transmission. The frame body is transmitted using conventional IFFT processing and equalization, while system information is transmitted separately without equalization, allowing for independent optimization of each transmission path and eliminating the time delay caused by equalization of system information.
Solution Approach 2:
The patent extracts system information from the frame body transmission process and transmits it as a separate signal. By taking out system information from the conventional transmission pipeline, the patent eliminates the need for equalization on system information, thereby reducing analysis time while maintaining transmission completeness.
2Ease of manufacture
If system information is processed using IFFT or IDFT method, then the transmission can be standardized, but the reception apparatus must perform equalization which increases processing time
Solution Approach 1:
The patent applies different processing methods to different parts of the transmission: the frame body uses conventional IFFT/IDFT processing for standardization, while system information uses a simplified transmission method without equalization. This local differentiation allows each component to be optimized independently, maintaining standardization where needed while improving speed where critical.
3Device complexity
If system information is inserted into the frame body, then the transmission structure is simplified, but the analysis process becomes more complex and time-consuming
Solution Approach 1:
The patent extracts system information from the frame body and transmits it as a separate signal. This separation simplifies the analysis process by eliminating the need to distinguish and equalize system information within the frame body, while the frame generator handles the insertion and multiplexing of system information in a controlled manner.
Data Source
AI summary
A digital transmission apparatus and a method thereof and a digital reception apparatus are provided. A frame body processor converts incoming data and outputs a frame body, a system information generator generates system information, which is necessary for processing the data at a reception apparatus, by using a different processing method from the frame body processing method of the frame body processor, a frame generator multiplexes data of the frame body, a header of the frame, and the system information, thereby generating a frame, and a signal processor up-coverts a signal of the frame and transmits the signal to the reception apparatus.