Sidelink Wideband Resource Pool Layout for S-SSB and Data Multiplexing
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Solution Overview
Problem
Existing sidelink communications in shared spectrum face inefficiencies due to the exclusion of data transmissions in slots reserved for sidelink synchronization signal blocks (S-SSBs), leading to reduced bandwidth utilization and potential premature termination of channel occupancy time, particularly impacting enhanced mobile broadband (eMBB) traffic.
Innovation Solution
A method and apparatus for configuring sidelink communication resources to allow for S-SSB transmissions within specific sub-bands of a slot while maintaining the remaining bandwidth for data communication, utilizing multiplexing techniques to optimize resource utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If slots are reserved exclusively for S-SSB transmissions, then synchronization signal transmission is ensured, but bandwidth utilization is reduced and data communication is limited
Solution Approach 1:
The patent segments the slot into different parts: a first portion allocated for S-SSB transmissions and a second portion allocated for data communications. This segmentation allows both functions to coexist within the same slot, resolving the contradiction between ensuring synchronization signal transmission and maximizing bandwidth utilization for data communication.
Solution Approach 2:
The patent introduces a sub-band dimension to the resource allocation. By allocating different sub-bands for S-SSB and data communications within the same slot, the system achieves multi-dimensional resource utilization, simultaneously satisfying synchronization requirements and maximizing bandwidth efficiency.
2Reliability
If entire slots are excluded from resource pool due to S-SSB transmissions, then S-SSB transmission is guaranteed, but channel occupancy time may be prematurely terminated
Solution Approach 1:
The patent segments the slot into a first portion for S-SSB and a second portion for data communications. This allows the channel occupancy time to extend beyond the S-SSB portion into the data communication portion, preventing premature termination while ensuring S-SSB transmission reliability.
Solution Approach 2:
The patent performs preliminary allocation of the first portion of the slot for S-SSB transmissions, ensuring synchronization signal delivery is guaranteed before allowing data communications to utilize the remaining portion, thus preventing premature channel occupancy termination.
3Productivity
If maximum bandwidth is allocated for data communication, then throughput is maximized, but S-SSB transmission resources are insufficient
Solution Approach 1:
The patent segments the available bandwidth into different portions: a first portion dedicated to S-SSB transmissions and a second portion for data communications. This segmentation ensures sufficient S-SSB transmission resources while maximizing data communication throughput in the remaining bandwidth.
Solution Approach 2:
The patent applies local quality by allocating specific sub-bands with appropriate characteristics for S-SSB transmissions, while the remaining sub-bands are optimized for data communications. This localized optimization ensures both synchronization reliability and data throughput efficiency.
Data Source
AI summary
The described techniques relate to improved methods, systems, devices, and apparatuses that support sidelink synchronization signal block (S-SSB) designs with wideband resource pool for data transmissions within a shared spectrum. For example, the described techniques provide for a user equipment (UE) to transmit one or more S-SSBs within one or more sub-band(s) of a slot such that the remaining bandwidth, including within the same slot as the S-SSB remain available in the resource pool for data communication. The techniques provided in the present disclosure allow for greater utilization of the bandwidth with minimal resource blocks that are omitted from utilization in the shared spectrum. Such implementation, therefore, maximizes the shared spectrum utilization.