Transport Block Scheduling via PDCCH Process Indication
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Solution Overview
Problem
Existing communication technologies lack a clear method for implementing transport block (TB) scheduling, particularly in machine-type communication (MTC) modes A and B, where the scheduling of multiple TBs using a physical downlink control channel (PDCCH) is not adequately described.
Innovation Solution
A method and apparatus for TB transmission that involves acquiring downlink control information containing process scheduling indication, allowing flexible scheduling of one or more TBs, including hybrid and non-hybrid transmission modes, with process scheduling indication information extracted and utilized to transmit corresponding TBs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple transport blocks are scheduled using one PDCCH, then transmission efficiency is improved, but scheduling implementation complexity increases
Solution Approach 1:
The patent segments the scheduling information into distinct fields within the PDCCH: a first field indicating the number of scheduled TBs and a second field indicating the size of each TB. This segmentation allows the complex multi-TB scheduling function to be broken down into manageable components, reducing implementation complexity while maintaining the efficiency benefits of scheduling multiple TBs simultaneously
Solution Approach 2:
The patent changes the parameters of the PDCCH structure by adding specific fields for number of TBs and TB size indication. These parameter changes enable the PDCCH to carry more comprehensive scheduling information, allowing the system to schedule multiple TBs with different sizes while maintaining clear and structured control information
2Adaptability or versatility
If process scheduling indication information is extracted and utilized, then flexible scheduling capability is improved, but signal processing complexity increases
Solution Approach 1:
The patent performs preliminary action by pre-defining the structure of the PDCCH with dedicated fields for scheduling information. The number of TBs and their sizes are indicated in advance through structured fields, allowing the receiver to prepare for processing multiple TBs without complex real-time analysis, thus enabling flexible scheduling with reduced processing complexity
Solution Approach 2:
The patent uses a standardized copying approach where the PDCCH structure is replicated with consistent fields for different scheduling scenarios. This standardized template approach allows flexible scheduling of varying numbers and sizes of TBs while maintaining simple and consistent signal processing procedures
Data Source
AI summary
Provided are a transport block (TB) transmission method and apparatus, a communication device and a storage medium. The method includes acquiring downlink control information, where the downlink control information includes process scheduling indication information for indicating at least one scheduled process; and transmitting, according to the process scheduling indication information, a transport block corresponding to each scheduled process.