Full-Duplex Slot Configuration for IAB Traffic and URLLC Scheduling
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Solution Overview
Problem
Existing wireless communication systems, particularly in integrated access and backhaul (IAB) networks, face challenges in efficiently managing concurrent transmission and reception due to half-duplex operations, which limit system throughput and the ability to handle urgent data traffic like ultra-reliable low-latency communications (URLLC).
Innovation Solution
Implementing full-duplex slot configurations in IAB systems, allowing simultaneous transmission and reception, with IAB nodes dynamically determining slot types based on traffic parameters to accommodate varying data requirements, including enhanced mobile broadband (eMBB) and URLLC data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If half-duplex operations are used in IAB networks, then device complexity is reduced, but system throughput and capacity are limited
Solution Approach 1:
The patent implements dynamic slot type determination where IAB nodes can switch between half-duplex and full-duplex operations based on traffic parameters and conditions. The system dynamically selects slot configurations (first slot type for half-duplex, second slot type for full-duplex) to optimize throughput while managing complexity adaptively rather than statically
Solution Approach 2:
The patent changes operational parameters by introducing different slot types with distinct characteristics. The first slot type configures the IAB node for half-duplex operation while the second slot type configures it for full-duplex operation, allowing parameter-based control of duplex mode to balance throughput requirements with device complexity
2Reliability
If half-duplex operations are used in IAB networks, then ease of operation is maintained, but the ability to handle urgent data traffic like URLLC is limited
Solution Approach 1:
The system dynamically adapts operation mode based on traffic type requirements. For urgent data traffic like URLLC, the system can switch to full-duplex second slot types that enable simultaneous transmission and reception, providing the low latency and high reliability needed for time-critical communications while maintaining ease of operation through automated slot type selection
Solution Approach 2:
The patent introduces parameter-based slot type selection where traffic parameters determine the operational mode. The network can configure different slot types with specific characteristics suited for different traffic types, allowing URLLC traffic to benefit from full-duplex capabilities while maintaining simple automated operation
3Productivity
If full-duplex slot configurations are implemented, then system capacity and scheduling flexibility are enhanced, but device complexity increases
Solution Approach 1:
The patent implements dynamic slot type determination where IAB nodes can switch between half-duplex and full-duplex operations based on traffic parameters and conditions. The system dynamically selects slot configurations (first slot type for half-duplex, second slot type for full-duplex) to optimize throughput while managing complexity adaptively rather than statically
Solution Approach 2:
The patent changes operational parameters by introducing different slot types with distinct characteristics. The first slot type configures the IAB node for half-duplex operation while the second slot type configures it for full-duplex operation, allowing parameter-based control of duplex mode to balance throughput requirements with device complexity
4Adaptability or versatility
If full-duplex slot configurations are implemented, then the ability to handle diverse traffic types is improved, but ease of operation decreases
Solution Approach 1:
The system dynamically adapts operation mode based on traffic type requirements. For urgent data traffic like URLLC, the system can switch to full-duplex second slot types that enable simultaneous transmission and reception, providing the low latency and high reliability needed for time-critical communications while maintaining ease of operation through automated slot type selection
Solution Approach 2:
The patent introduces parameter-based slot type selection where traffic parameters determine the operational mode. The network can configure different slot types with specific characteristics suited for different traffic types, allowing URLLC traffic to benefit from full-duplex capabilities while maintaining simple automated operation
Data Source
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AI summary
Certain aspects of the present disclosure provide techniques for full-duplex slot configuration. A method that may be performed by a wireless node includes determining one or more traffic parameters associated with data configured for communication via wireless links including at least one reception link and at least one transmission link, selecting a full-duplex (FD) slot type for communication of the data via the wireless links, wherein the FD slot type is based on the one or more traffic parameters, and communicating the data with one or more wireless nodes via the wireless links in accordance with the selected FD slot type.