AIT Payload Header Signaling for Flexible Multi-Node Transmission
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently transmitting and receiving signals for low-end IoT devices, such as Ambient IoT devices, due to inflexible signal and channel designs that lead to resource waste and excessive time delays, especially in scenarios where multiple payloads need to be transmitted to different nodes.
Innovation Solution
A method for wireless communication systems that includes flexible signal and channel structures, allowing for the transmission of one or more payloads based on the identity of the receiving node, with headers indicating payload positions and lengths, enabling efficient and adaptive communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If flexible signal and channel structures are implemented to transmit multiple payloads to different nodes, then system efficiency and adaptability are improved, but device complexity and overhead increase
Solution Approach 1:
The signal structure is segmented into distinct components: payload headers containing receiving node identities, payload data portions, and optional padding. This segmentation allows the system to flexibly transmit multiple payloads to different nodes by including or excluding specific payload-header pairs, achieving adaptability without requiring complete structural redesign for each transmission scenario.
Solution Approach 2:
The signal structure is designed to be dynamic rather than fixed. The base station can adaptively determine which payloads to include based on real-time network conditions and node requirements. The signal may contain one or multiple payload-header-payload combinations, allowing the system to dynamically adjust transmission content to match actual communication needs, thereby improving versatility while managing complexity through controlled variability.
2Device complexity
If traditional fixed signal structures are used for transmission, then device complexity is reduced, but resource waste and time delay increase when transmitting to multiple nodes
Solution Approach 1:
Multiple payloads destined for different receiving nodes are merged into a single composite signal structure. Instead of transmitting separate signals for each node, the base station combines multiple payload-header-payload units into one transmission, allowing simultaneous delivery to multiple nodes. This merging approach eliminates redundant transmissions, reduces resource waste, and improves overall transmission efficiency while maintaining manageable signal structure complexity.
Data Source
AI summary
The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method performed by a user equipment (UE) in an AIT (Ambient Internet of Things) system, including receiving at least one payload header in a downlink signal, wherein the at least one payload header includes information related to an identity of the UE, and receiving at least one payload corresponding to the at least one payload header in the downlink signal based on the information related to the identity of the UE.