Method and device for transmitting signal in wireless communication system
The implementation of subband non-overlapping full-duplex (SBFD) communication with managed hybrid ARQ process IDs addresses TDD system limitations, enhancing uplink coverage and capacity in 5G wireless networks.
WO2026155558A1PCT designated stage Publication Date: 2026-07-23WILUS INSTITUTE OF STANDARDS & TECHNOLOGY INC
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Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- WILUS INSTITUTE OF STANDARDS & TECHNOLOGY INC
- Filing Date
- 2026-01-14
- Publication Date
- 2026-07-23
AI Technical Summary
Technical Problem
Existing TDD systems in 5G communication face limitations such as reduced uplink coverage, increased latency, and reduced capacity due to limited uplink resource allocation, necessitating improved methods for simultaneous downlink and uplink transmission.
Method used
Implementing subband non-overlapping full-duplex (SBFD) communication in wireless communication systems, where hybrid ARQ process IDs are managed based on symbol types, allowing efficient transmission and reception of signals over SBFD symbols.
Benefits of technology
Enhances uplink coverage, reduces latency, and improves system capacity by enabling flexible and dynamic resource allocation in unpaired spectrum, supporting advanced duplex communication schemes.
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Smart Images
Figure KR2026000879_23072026_PF_FP_ABST
Abstract
The present invention relates to a wireless communication system and, specifically, to a method and a wireless device therefor, wherein: a configuration for an SBFD symbol set and a non-SBFD symbol set in a wireless frame are received, the SBFD symbol set including a DL symbol or a flexible symbol in which a UL subband is configured; and a DL signal is received in a slot including the SBFD symbol, reception of the DL signal also being permitted in the UL subband in the slot if an SSB is configured on symbols in the slot, and the DL signal being received only outside the UL subband in the slot if the SSB is not configured on the symbols in the slot.
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