Dynamic Uplink Control Information Encoding Matrix Shifting
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Solution Overview
Problem
The existing encoding methods for uplink control information in LTE and LTE-Advanced systems use a fixed encoding matrix regardless of the number of control information bits, leading to suboptimal performance and efficiency in uplink control information transmission.
Innovation Solution
A method and apparatus that shift the column vectors of a predefined encoding matrix to generate a new encoding matrix, allowing for dynamic adjustment based on the number of uplink control information bits, optimizing the encoding process by performing cyclic or fixed shifts to create a new encoding matrix M′ for improved performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed encoding matrix is used for all uplink control information bit lengths, then the encoding process is simple, but the transmission performance is suboptimal
Solution Approach 1:
The patent applies dynamics by making the encoding matrix variable rather than fixed. The system dynamically selects or generates an encoding matrix based on the actual number of uplink control information bits to be transmitted. This allows the encoding process to adapt to different data lengths, improving transmission performance without requiring completely separate encoding schemes for each bit length.
Solution Approach 2:
The patent changes the parameter of the encoding matrix based on the number of information bits. By varying the matrix selection or generation according to the data length parameter, the system achieves optimal encoding performance for different payload sizes while maintaining a systematic approach rather than using entirely different encoding methods.
2Productivity
If the same encoding matrix is used regardless of the number of control information bits, then the encoding process is straightforward, but the downlink transmission efficiency is reduced
Solution Approach 1:
The system dynamically adjusts the encoding matrix based on the number of control information bits, enabling optimized downlink transmission efficiency for different data lengths. This dynamic adaptation allows the system to achieve better productivity without significantly complicating the encoding operation through systematic matrix selection rules.
3Reliability
If a fixed encoding matrix is used, then the implementation is simple, but the uplink control information transmission performance is not optimal
Solution Approach 1:
The patent changes the encoding matrix parameter according to the number of uplink control information bits. This parameter-based selection approach improves transmission performance by matching the encoding matrix to the data length, while keeping the implementation relatively simple through systematic rules for matrix selection or generation based on the bit count parameter.
Data Source
AI summary
Embodiments of the present invention provide a method and an apparatus for encoding uplink control information, so as to optimize the performance of uplink control information transmission. The method includes: shifting a column vector of a predefined encoding matrix M to generate a new encoding matrix M′; and encoding uplink control information by using the new encoding matrix M′. The encoding matrix used for encoding the uplink control information is no longer a fixed predefined encoding matrix, but the new encoding matrix generated after shifting the column vectors of the predefined encoding matrix. Comparing with the method in prior art, the method in embodiments of the present invention can determine a corresponding encoding matrix according to the uplink control information, thereby optimizing the performance of the uplink control information transmission and then improving the efficiency of downlink transmission.