US 2023/0412427 A1 · METHOD AND APPARATUS FOR DETECTING USER DATA OF ACTIVATED USER USING PILOT AND DATA IN A GRANT-FREE WIRELESS COMMUNICATION SYSTEM

Abstract

The method performed by a base station of the wireless communication system according to the embodiments of this invention may comprise the following steps: the step to transmit a codebook allocated to each of multiple user terminals for the data transmission; the step to receive the pilot and the data from one or more user terminals among the above-mentioned multiple user terminals; the step to generate the active user information based on the above-mentioned data; the step to detect the active user terminal among the above-mentioned multiple user terminals based on above-mentioned pilot and active user information; the step to generate the channel estimation information related to the above-mentioned active user terminal; and the step to detect the data of the above-mentioned active user terminal based on the above-mentioned channel estimation information.

Claims20

Dependent claims

In a method performed by a base station in the wireless communication system, a method comprising:

A step to transmit codebooks allocated for data transmission to each of multiple user terminals;
A step to receive the pilot and the data from one or more user terminals among the multiple user terminals;
A step to generate the active user information based on the above-mentioned data;
A step to detect active user terminals among the above-mentioned multiple user terminals based on the above-mentioned pilot and active user information;
A step to generate the channel estimation information related to the above-mentioned active user terminals;
and
A step to detect the data of the active user terminal based on the above-mentioned channel estimation information.

4 more elements

In a method performed by user terminals in the wireless communication system, a method comprising:

A step to receive a codebook allocated for the data transmission of the above-mentioned user terminal from a base station;
A step to generate the data based on the above-mentioned codebook;
A step to select or create a pilot;
and
A step to transmit the above-mentioned pilot and data to the above-mentioned base station,
Wherein the above-mentioned user terminal is detected as an active user terminal among multiple user terminals based on the above-mentioned pilot and the active user information generated based on the above-mentioned data.

3 more elements

In the wireless communication system, a base station comprising a user terminal;

and one or more processors connected to the above-mentioned transceiver,
Wherein the above-mentioned one or more processors is characterized by:
Transmitting a codebook allocated for the data transmission to each of multiple user terminals,
Receiving the pilot and the data from one or more user terminals among the above-mentioned multiple user terminals,
Generating the active user information based on the above-mentioned data,
Detecting the active user terminal among the above-mentioned multiple user terminals based on the above-mentioned pilot and active user information,
Generating the channel estimation information related to the above-mentioned active user terminal, and
Detecting the data of the above-mentioned active user terminal based on the above-mentioned channel estimation information.

5 more elements

Dependencies are inferred from the claim text.

Method and apparatus for detecting user data of activated user using pilot and data in a grant-free wireless communication system

Life of this patent

Method and apparatus for detecting user data of activated user using pilot and data in a grant-free wireless communication system

Life of this patent

Abstract

Claims20