Terminals, base stations, and communication methods
By combining positioning reference signals with other signals like CSI-RS and SSB, the method improves positioning accuracy in RedCap UEs, addressing bandwidth limitations and enhancing measurement techniques.
JP2026113556APending Publication Date: 2026-07-07NTT DOCOMO INC
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- NTT DOCOMO INC
- Filing Date
- 2026-03-31
- Publication Date
- 2026-07-07
AI Technical Summary
Technical Problem
Conventional wireless communication systems with reduced functions, such as RedCap UEs, face insufficient positioning accuracy due to bandwidth limitations.
Method used
A method that combines positioning reference signals with other reference signals, such as CSI-RS and SSB, to enhance positioning accuracy by broadening the frequency band and improving measurement techniques.
Benefits of technology
This approach enhances positioning accuracy in RedCap UEs and similar systems by utilizing joint estimation of multiple reference signals, even with limited bandwidth.
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Smart Images
Figure 2026113556000001_ABST
Abstract
In wireless communication systems, the present invention provides terminals, base stations, and communication methods with reduced functionality that improve positioning accuracy. [Solution] The terminal 20 includes a transmitting unit that transmits information on the uplink indicating the terminal's capability for positioning using a positioning reference signal and other reference signals together, and a control unit that assumes that joint estimation parameters are set or defined according to the terminal's capability.
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