Multi-radio spectrum sharing cell access broadcast transmission

The WTRU decodes additional information from cell access broadcast transmissions to support both 5G and 6G networks, addressing coexistence challenges and enabling efficient multi-radio spectrum sharing.

WO2026096369A1 Publication Date: 2026-05-07INTERDIGITAL PATENT HOLDINGS INC
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Patent Information

Application Number
PCT/US2025/052654
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-04
Filing Date
2025-10-27
Publication Date
2026-05-07

AI Technical Summary

Technical Problem

Existing technologies face challenges in efficiently managing the coexistence of 5G and 6G radio access technologies in shared spectrum, particularly in determining and utilizing cell access information for multiple radio access technologies within a single cell access broadcast transmission.

Method used

A wireless transmit/receive unit (WTRU) is configured to receive and process cell access broadcast transmissions, utilizing unused bits and reserved bits in the channel to determine and extract cell access information for both 5G and 6G radio access technologies, enabling simultaneous reception of system information.

Benefits of technology

Enables seamless and efficient access to both 5G and 6G networks by decoding additional information within existing broadcast signals, facilitating a smooth transition to standalone 6G networks.

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Abstract

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products related to multi-radio spectrum sharing (MRSS) cell access are described. One method may include receiving, in a cell access broadcast channel, a cell access broadcast transmission associated with a first radio access technology, determining that cell access information associated with the first radio access technology is received in the cell access broadcast transmission, determining that cell access information associated with a second radio access technology is received in the cell access broadcast channel, determining the cell access information associated with the second radio access technology based on reserved bits in the cell access broadcast channel and the cell access information associated with the first radio access technology, and receiving cell system information associated with the second radio access technology using the determined cell access information associated with the second radio access technology.
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