Wireless communication method, wireless device, and wireless terminal

The described method improves wireless connection efficiency by using multiple non-collinear reference antennas to accurately determine terminal location, reducing overhead and enhancing signal quality.

JP2026063992APending Publication Date: 2026-04-13NAT INST OF INFORMATION & COMM TECH
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
NAT INST OF INFORMATION & COMM TECH
Filing Date
2024-10-01
Publication Date
2026-04-13

AI Technical Summary

Technical Problem

Conventional wireless communication methods face inefficiencies in determining the location of wireless terminals with high directivity gain antennas, leading to increased overhead and reduced accuracy in direction estimation, especially when terminals are located in a few directions.

Method used

A wireless communication method that transmits and receives data using three or more reference antennas, with at least one antenna not on the same straight line, allowing the wireless terminal to identify the most and second-most advanced phase or earliest reception time signals, and transmit a reply signal based on this identification.

Benefits of technology

This method enhances the efficiency of wireless connections by accurately determining the location of wireless terminals, reducing directivity overhead and improving signal-to-noise ratio, thereby enhancing communication quality.

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Abstract

The present invention provides a wireless communication method, a wireless device, and a wireless terminal that can improve the efficiency of wireless connections. [Solution] The wireless communication method transmits and receives data between a wireless device 1 and a wireless terminal 2. The wireless communication method comprises a transmission step S110, a reception step S120, a identification step S130, and a reply step S140. The transmission step S110 transmits identifiable reference signals from each of three or more reference antennas 11 included in the wireless device 1, at least one of which is not arranged on the same line. In the reception step S120, the wireless terminal 2 receives the multiple reference signals. In the identification step S130, a first reference signal indicating the most advanced phase or the earliest reception time and a second reference signal indicating the second most advanced phase or the second earliest reception time are identified. In the reply step S140, the wireless terminal 2 transmits a reply signal based on the identification result in the identification step.
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