NCR Beam Forwarding Across Multiple Slots With Lower Signaling Overhead
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In wireless communication systems, the signaling overhead increases due to the need for independent indication of beam direction and time resources for network-controlled repeater (NCR-Fwd) operations across multiple slots, leading to ambiguity in forwarding operations.
Innovation Solution
The method involves the NCR receiving beam index and time resource information from a base station, allowing the NCR-Fwd to perform forwarding operations using the informed beam index across multiple slots, reducing signaling overhead and clarifying operation ambiguity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If independent indication of beam direction and time resources is performed for each slot, then forwarding operation control precision is improved, but signaling overhead increases
Solution Approach 1:
The patent segments the time resource indication into two parts: a common time resource indicator applicable to multiple slots, and slot-specific offsets. This segmentation allows the beam direction indication to be reused across multiple slots while still enabling precise control for each slot through offset adjustments, thereby reducing redundant signaling overhead while maintaining control precision.
Solution Approach 2:
The patent merges the beam direction indication with a group of time resource indicators that can be applied across multiple slots. By combining these indications into a unified signaling structure, the system reduces the total number of separate signaling messages required, thereby reducing signaling overhead while maintaining the ability to precisely control forwarding operations in each slot through the combined information.
2Reliability
If beam direction is re-indicated in each slot, then forwarding operation reliability is improved, but signaling complexity increases
Solution Approach 1:
The patent performs preliminary indication of beam direction and common time resources before the actual forwarding operations in multiple slots. This preliminary action establishes a baseline configuration that can be reliably applied across slots, reducing the need for repeated full re-indications and thereby simplifying signaling while maintaining reliability through the pre-established configuration.
Solution Approach 2:
The patent introduces dynamic slot-specific offsets that can adjust the common time resource indication for each individual slot. This dynamic adjustment mechanism allows the system to maintain high reliability by adapting to slot-specific conditions while keeping signaling complexity low by only transmitting the necessary offset information rather than complete re-indications.
3Productivity
If time resource information covers multiple slots, then signaling efficiency is improved, but operation ambiguity increases
Solution Approach 1:
The patent applies local quality by providing slot-specific offset information that customizes the common time resource indication for each individual slot. This localized adjustment ensures that while the common indication improves signaling efficiency, each slot can still have precise, unambiguous time resource allocation through its specific offset, thereby eliminating operation ambiguity.
Solution Approach 2:
The patent adds a new dimension to the time resource indication by introducing slot offset values that operate in addition to the common time resource indicator. This dimensional extension allows the system to maintain signaling efficiency through the common indicator while resolving ambiguity through the additional slot-specific dimension, effectively solving the contradiction by operating in multiple informational dimensions.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Provided are an operating method of an apparatus in a wireless communication system, and an apparatus using the method. According to the method, an NCR-MT of an NCR including the NCR-MT and an NCR-Fwd receives, from a base station, a beam index applied to an access link between the NCR-Fwd and a terminal and time resource information related to the beam index, and the NCR-Fwd performs a forwarding operation by using a beam indicated by the beam index in a time resource indicated by the time resource information. The time resource information indicates resources of a plurality of slots to which the beam index is applicable.