Transport Block Segmentation for Fast 5G Demodulation
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Solution Overview
Problem
Conventional LTE systems struggle with low spectrum efficiency and delayed demodulation, which cannot meet the rapid feedback requirements of 5G services like Ultra Reliable and Low Latency Communication (URLLC).
Innovation Solution
The method involves dividing a Transport Block (TB) into a first part and at least one second part, with the first part undergoing complex coding and interleaving for improved demodulation performance, and the second part undergoing simple coding to reduce feedback delay, allowing for rapid demodulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If data is transmitted without authentication and integrity check, then transmission overhead is reduced, but data security and reliability deteriorate
Solution Approach 1:
The authentication and data transmission are segmented into separate stages. Authentication information (first information) is transmitted in a dedicated authentication stage, while actual data is transmitted in subsequent stages. This segmentation allows security verification to be performed separately without blocking data transmission flow, maintaining both security and efficiency.
Solution Approach 2:
Authentication is performed as a preliminary action before data transmission. The receiving end verifies the transmitter's identity using the first information received in advance during the authentication stage. This preliminary verification ensures data security before the actual data transmission begins, preventing unauthorized access without adding overhead to the data transmission itself.
2Reliability
If authentication information is transmitted frequently, then security verification is improved, but transmission overhead increases
Solution Approach 1:
Authentication is performed periodically at predetermined intervals rather than continuously or with every data packet. The method establishes an authentication mechanism that repeats at specific time intervals or after certain conditions are met, ensuring security verification occurs regularly without creating excessive transmission overhead between authentication cycles.
Solution Approach 2:
Authentication information is prepared and transmitted in advance during dedicated authentication stages, allowing the system to enter efficient data transmission modes between authentication cycles. This preliminary authentication approach ensures security is established before data transmission begins, reducing the need for frequent authentication interruptions.
3Speed
If data is transmitted in original format without processing, then transmission speed is improved, but security vulnerabilities increase
Solution Approach 1:
Authentication information acts as an intermediary mechanism between the transmitter and receiver. This intermediary element (first information) enables the receiver to verify the transmitter's identity and intent before processing the actual data, providing a security layer that doesn't require modifying the data format itself. The intermediary authentication layer blocks harmful factors while allowing legitimate fast transmission to proceed.
Solution Approach 2:
The transmission process is segmented into authentication phase and data transmission phase. During the authentication phase, security verification is performed using the first information. Once authenticated, data transmission proceeds in the original format at high speed during the data transmission phase. This segmentation allows security checks to be performed separately without slowing down the actual data transmission.
Data Source
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AI summary
Provided in an embodiment of the invention are a method for transmitting data, a receiving-end device, and a transmitting-end device. The method comprises: a receiving-end device receiving, on a time unit, a first part and at least one second part of data, wherein first modulation and coding processing is performed on the first part, and second modulation and coding processing is performed on the at least one second part; and the receiving-end device performing demodulation on the first part and the at least one second part. The method for transmitting data, the receiving-end device, and the transmitting-end device provided in the embodiment of the invention achieve a higher frequency spectrum efficiency, thereby realizing fast demodulation.