Sidelink Synchronization Resource Partitioning for Pre-emption Indication
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Solution Overview
Problem
Cellular networks face challenges in reliability and capacity, particularly in scenarios with high user demand and low latency requirements, where existing methods struggle to efficiently manage communication between base stations and mobile devices.
Innovation Solution
The implementation of limited buffer rate-matching (LBRM) and pre-emption techniques in New Radio (NR) systems, along with sidelink synchronization, to optimize resource allocation and communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional rate-matching methods are used, then decoding complexity is reduced, but decoding latency increases and reliability decreases
Solution Approach 1:
The patent segments the codeblock into multiple parts and processes them in stages. The rate-matched codeblock is divided into multiple rate-matched codeblocks, each with a specific number of coded bits, allowing the decoder to process smaller segments sequentially rather than handling the entire codeblock at once, thus reducing overall decoding complexity while maintaining reliability
Solution Approach 2:
The patent applies preliminary action by performing rate-matching operations before decoding. The encoder performs rate-matching to adapt the codeblock to the available resources, and the decoder receives pre-processed information that reduces the complexity of subsequent decoding operations, enabling reliable communication with lower decoding complexity
2Productivity
If higher data rates are transmitted, then productivity increases, but decoding latency increases
Solution Approach 1:
The patent segments the decoding process into multiple stages, where each stage decodes a portion of the rate-matched codeblock. This segmentation allows the system to achieve high data transmission rates by processing information in parallel or sequential stages, reducing the overall decoding latency that would otherwise increase with higher rates
Solution Approach 2:
The patent performs rate-matching as a preliminary action before decoding, optimizing the codeblock structure in advance. This preliminary rate-matching reduces the complexity and time required for subsequent decoding operations, enabling high productivity data rates without proportionally increasing decoding latency
3Productivity
If more users access the network simultaneously, then productivity increases, but overhead increases and efficiency decreases
Solution Approach 1:
The patent changes the parameter of codeblock size and rate-matching ratios to optimize network efficiency. By dynamically adjusting these parameters based on the number of active users and available resources, the system can serve more users simultaneously (increasing productivity) while minimizing overhead and maximizing spectral efficiency
Solution Approach 2:
The patent creates a universal rate-matching framework that can serve multiple users with different requirements simultaneously. The rate-matched codeblock structure is designed to be flexible and adaptable, allowing the same mechanism to efficiently serve single users, multiple users, or diverse service types without requiring separate optimization for each scenario
Data Source
AI summary
Embodiments of a User Equipment (UE), Generation Node-B (gNB) and methods of communication are disclosed herein. The UE may attempt to decode sidelink synchronization signals (SLSSs) received on component carriers (CCs) of a carrier aggregation. In one configuration, synchronization resources for SLSS transmissions may be aligned across the CCs at subframe boundaries in time, restricted to a portion of the CCs, and restricted to a same sub-frame. The UE may, for multiple CCs, determine a priority level for the CC based on indicators in the SLSSs received on the CC. The UE may select, from the CCs on which one or more SLSSs are decoded, the CC for which the determined priority level is highest. The UE may determine a reference timing for sidelink communication based on the one or more SLSSs received on the selected CC.