# US 2021/0242968 A1 · Method and device for transmitting and receiving data channel in wireless communication system

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- Number: US 2021/0242968 A1
- Document ID: US20210242968A1
- Status: Published application
- Kind: A1
- Application number: 16/973,234
- Filed: 2019-06-07
- Published: 2021-08-05
- Earliest claimed: 2018-06-11
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Taehyoung KIM; Youngbum KIM; Younsun KIM; Seunghoon CHOI
- Web page: https://patentgrep.com/patent/US20210242968A1

## CPC

- H04L 1/0071: {Use of interleaving (interleaving per se H03M13/27)}
- H04L 25/03866: {using scrambling}
- H04L 1/0048: {in conjunction with detection of multiuser or interfering signals, e.g. iteration between CDMA or MIMO detector and FEC decoder (for spatial equalizer H04L25/03286)}
- H04L 1/0075: {Transmission of coding parameters to receiver (H04L1/0023 takes precedence)}
- H04L 5/0005: {Time-frequency}
- H04W 72/0466: {the resource being a scrambling code}
- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04W 76/11: Allocation or use of connection identifiers
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

Provided is a communication method using a non-orthogonal multiple access scheme of a terminal, the communication method including: obtaining configuration information about a transmission pattern of the terminal; determining a terminal-specific transmission pattern, based on the obtained configuration information; processing data to be transmitted, based on the determined terminal-specific transmission pattern; and transmitting the processed data.

## Claims

### Claim 1

A communication method using a non-orthogonal multiple access scheme of a terminal, the communication method comprising:
obtaining configuration information about a transmission pattern of the terminal;
determining a terminal-specific transmission pattern, based on the obtained configuration information;
processing data to be transmitted, based on the determined terminal-specific transmission pattern; and
transmitting the processed data.

### Claim 2 (depends on 1)

The communication method of claim 1,
wherein the configuration information about the transmission pattern of the terminal comprises information about a transmission pattern to be used by the terminal, and
wherein the obtaining of the configuration information about the transmission pattern of the terminal comprises obtaining, from higher layer signaling or layer 1 (L1) signaling, the information about the transmission pattern to be used by the terminal.

### Claim 3 (depends on 1)

The communication method of claim 1,
wherein the configuration information about the transmission pattern of the terminal comprises at least one transmission pattern candidate set, and
wherein the obtaining of the configuration information about the transmission pattern of the terminal comprises obtaining the at least one transmission pattern candidate set from higher layer signaling or L1 signaling.

### Claim 4 (depends on 3)

The communication method of claim 3, wherein the determining of the terminal-specific transmission pattern, based on the obtained configuration information comprises selecting one transmission pattern candidate set or selecting the terminal-specific transmission pattern, based on an identifier of the terminal or a certain radio network temporary identifier (RNTI) corresponding to the terminal.

### Claim 5 (depends on 1)

The communication method of claim 1,
wherein the configuration information about the transmission pattern of the terminal comprises base pattern information, and
wherein the obtaining of the configuration information about the transmission pattern of the terminal comprises obtaining the base pattern information from higher layer signaling or L1 signaling.

### Claim 6 (depends on 5)

The communication method of claim 5, wherein the determining of the terminal-specific transmission pattern, based on the obtained configuration information comprises determining a number of repeated applications of the base pattern information, based on an identifier of the terminal or a certain RNTI corresponding to the terminal.

### Claim 7 (depends on 1)

The communication method of claim 1, wherein the determining of the terminal-specific transmission pattern, based on the obtained configuration information comprises determining the terminal-specific transmission pattern, based on an index of a slot or resource block (RB) by which the terminal transmits the data.

### Claim 8 (depends on 4)

The communication method of claim 4, wherein the processing of the data to be transmitted, based on the determined terminal-specific transmission pattern comprises performing at least one of bit-wise scrambling, bit-wise interleaving, symbol-wise spreading, symbol-wise interleaving, power assignment control, and resource element (RE) assignment control on the data to be transmitted, based on the determined terminal-specific transmission pattern.

### Claim 9

A communication method using a non-orthogonal multiple access scheme of a base station, the communication method comprising:
transmitting configuration information about a transmission pattern of a terminal;
receiving data processed according to a terminal-specific transmission pattern determined based on the configuration information about the transmission pattern; and
detecting data corresponding to the terminal from the received data, based on the terminal-specific transmission pattern.

### Claim 10 (depends on 9)

The communication method of claim 9, wherein the transmitting of the configuration information about the transmission pattern of the terminal comprises transmitting the configuration information about the transmission pattern of the terminal from higher layer signaling or layer 1 (L1) signaling.

### Claim 11

A terminal using a non-orthogonal multiple access scheme, the terminal comprising:
a transceiver; and
at least one controller combined with the transceiver and configured to obtain configuration information about a transmission pattern of the terminal, determine a terminal-specific transmission pattern based on the obtained configuration information, process data to be transmitted based on the determined terminal-specific transmission pattern, and transmit the processed data.

### Claim 12 (depends on 11)

The terminal of claim 11,
wherein the configuration information about the transmission pattern of the terminal comprises at least one transmission pattern candidate set, and
wherein the at least one controller is further configured to obtain the at least one transmission pattern candidate set from higher layer signaling or L1 signaling.

### Claim 13 (depends on 11)

The terminal of claim 11,
wherein the configuration information about the transmission pattern of the terminal comprises base pattern information, and
wherein the at least one controller is further configured to obtain the base pattern information from higher layer signaling or L1 signaling.

### Claim 14 (depends on 13)

The terminal of claim 13, wherein the at least one controller is further configured to determine a number of repeated applications of the base pattern information, based on an identifier of the terminal or a certain radio network temporary identifier (RNTI) corresponding to the terminal.

### Claim 15

A base station using a non-orthogonal multiple access scheme, the base station comprising:
a transceiver; and
at least one controller combined with the transceiver and configured to transmit configuration information about a transmission pattern of a terminal, receive data processed according to a terminal-specific transmission pattern determined based on the configuration information about the transmission pattern, and detect data corresponding to the terminal from the received data, based on the terminal-specific transmission pattern.
