# US 2019/0357236 A1 · Method and apparatus for receiving data in wireless communication system

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- Number: US 2019/0357236 A1
- Document ID: US20190357236A1
- Status: Published application
- Kind: A1
- Application number: 16/475,971
- Filed: 2018-01-04
- Published: 2019-11-21
- Earliest claimed: 2017-01-06
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Jingxing FU; Bin YU; Chen QIAN; Qi XIONG; Yingjie ZHANG; Di SU
- Web page: https://patentgrep.com/patent/US20190357236A1

## CPC

- H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH}
- H04W 72/569: {of the traffic information}
- H04L 5/005: {of common pilots, i.e. pilots destined for multiple users or terminals}
- H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04W 72/121: for groups of terminals or users
- H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT}
- 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

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present application provides a data receiving method. The method includes: when a category-1 service occupies resources scheduled for a category-2 service, a terminal receives data of the category-2 service according to information about scheduling of category-1 service data. According to the present application, resources of category-2 services can be reused for receiving category-1 service data to satisfy requirements for low delay of the category-1 services and increase the utility efficiency of resources of the category-2 services.

## Claims

### Claim 1

A method for operating a terminal in a wireless communication system, the method comprising:
receiving scheduling information for a first service;
identifying that at least one resource is occupied for the first service among resources scheduled for a second service based on the received scheduling information;
identifying a transmission scheme for transmitting data for the second service by using remaining resources among the resources, based on the at least one resource for the first service; and
receiving the data for the second service according to the identified transmission scheme,
wherein a priority of the first service is higher than a priority of the second service.

### Claim 2 (depends on 1)

The method of claim 1, wherein, in a time domain unit, a first plurality of symbols are designated into one group, a second plurality of symbols other than the first plurality of symbols are divided into a plurality of groups,
wherein, if the plurality of groups are occupied by the first service, the first plurality of symbols of the group uses a subcarrier spacing of the second service and the second plurality of symbols of the plurality of groups use a subcarrier spacing of the first service, and
wherein, if the plurality of groups are not occupied by a first service, the second plurality of symbols and the first plurality of symbols use a subcarrier spacing of the second service.

### Claim 3

(canceled)

### Claim 4 (depends on 2)

The method of claim 2, wherein, if the second service uses a pre-defined type of a reference signal (RS), a symbol for transmitting the RS of the group or the plurality of groups is scheduled and is not occupied by a first service, and
wherein the subcarrier spacing of the first service is different from the subcarrier spacing of the second service.

### Claim 5 (depends on 1)

The method of claim 1, wherein all symbols for the second service in a time domain unit are divided into a plurality of groups,
wherein, if the plurality of groups are occupied by the first service, the plurality of groups use a subcarrier spacing of the first service,
wherein, if the plurality of groups are not occupied by the first service, the plurality of groups use a subcarrier spacing of the second service,
wherein a group among the plurality of groups includes a reference signal (RS),
wherein the data for the second service transmitted on the group is estimated and demodulated using the RS, and
wherein the method further comprises identifying whether the RS is in unit of the group among the plurality of groups based on at least one of higher layer signaling, an indication in physical layer signaling, and an indication in media access control (MAC) layer signaling.

### Claim 6 (depends on 2)

The method of claim 2, wherein, if a second group among the plurality of groups is occupied by the first service, the receiving the data for the second service through the resources adjusted according to the identified transmission scheme comprises:
determining whether first data for the second service scheduled on a first group among the plurality of groups not occupied by the first service subsequent to the second group includes a reference signal (RS) if second data for the second service scheduled on the second group includes another RS,
receiving the second data and subsequent data for the second service at the first group if the first data does not include the RS; and
comparing a first priority level of the RS with a second priority level of the another RS if the first data includes the RS and receiving the second data and the subsequent data at the first group if the second priority level is higher than the first priority level, and
wherein the second data is not transmitted if the first priority level is higher than the second priority level.

### Claim 7

(canceled)

### Claim 8 (depends on 2)

The method of claim 2, wherein, if a second group among the plurality of groups is occupied by the first service, the receiving the data for the second service according to the identified transmission scheme comprises:
receiving first data scheduled on a first group among the plurality of groups not occupied by the first service, and
wherein second data scheduled on the second group is not transmitted.

### Claim 9

(canceled)

### Claim 10 (depends on 2)

The method of claim 2, wherein, if a first group among the plurality of groups is occupied by the first service, the receiving the data for the second service according to the identified transmission scheme comprises:
receiving the data on a second group among the plurality of groups not occupied by a second service, and
wherein the data is not transmitted on the first group.

### Claim 11

(canceled)

### Claim 12 (depends on 2)

The method of claim 2, wherein, if a second group among the plurality of groups is occupied by the first service, the receiving the data for the second service according to the identified transmission scheme comprises:
receiving a reference signal (RS) for the second service scheduled on the second group using the subcarrier spacing of the first service, if the data scheduled on the second group includes the RS.

### Claim 13 (depends on 2)

The method of claim 2, wherein, if a second group among the plurality of groups is occupied by the first service, the receiving the data for the second service according to the identified transmission scheme comprises:
receiving the data at a first group among the plurality of groups not occupied by the first service subsequent to the second group.

### Claim 14 (depends on 2)

The method of claim 2, wherein, if a second group among the plurality of groups is occupied by the first service, the receiving the data for the second service according to the identified transmission scheme comprises:
receiving the data scheduled on the second group and subsequent data for the second service at a first group among the plurality of groups not occupied by the first service subsequent to the second group, if the data includes a reference signal.

### Claim 15

An apparatus of a terminal in a wireless communication system, the apparatus comprising:
a transceiver; and
at least one processor operably coupled to the transceiver,
wherein the at least one processor is configured to:
receive scheduling information for a first service,
identify that at least one resource is occupied for the first service among resources scheduled for a second service based on the received scheduling information,
identify a transmission scheme for transmitting data for the second service by using remaining resources among the resources, based on the at least one resource for the first service, and
receiving the data for the second service according to the identified transmission scheme,
wherein a priority of the first service is higher than a priority of the second service.

### Claim 16 (depends on 15)

The apparatus of claim 15, wherein, in a time domain unit, a first plurality of symbols are designated into one group, a second plurality of symbols other than the first plurality of symbols are divided into a plurality of groups,
wherein, if the plurality of groups are occupied by the first service, the first plurality of symbols of the group uses a subcarrier spacing of the second service and the second plurality of symbols of the plurality of groups use a subcarrier spacing of the first service, and
wherein, if the plurality of groups are not occupied by a first service, the second plurality of symbols and the first plurality of symbols use a subcarrier spacing of the second service.

### Claim 17 (depends on 16)

The apparatus of claim 16, wherein, if the second service uses a pre-defined type of a reference signal (RS), a symbol for transmitting the RS of the group or the plurality of groups is scheduled and is not occupied by a first service, and
wherein the subcarrier spacing of the first service is different from the subcarrier spacing of the second service.

### Claim 18 (depends on 15)

The apparatus of claim 15, wherein all symbols for the second service in a time domain unit are divided into a plurality of groups,
wherein, if the plurality of groups are occupied by the first service, the plurality of groups use a subcarrier spacing of the first service,
wherein, if the plurality of groups are not occupied by the first service, the plurality of groups use a subcarrier spacing of the second service,
wherein a group among the plurality of groups includes a reference signal (RS),
wherein the data for the second service transmitted on the group is estimated and demodulated using the RS, and
wherein the at least one processor is further configured to identify whether the RS is in unit of the group among the plurality of groups based on at least one of higher layer signaling, an indication in physical layer signaling, and an indication in media access control (MAC) layer signaling.

### Claim 19 (depends on 16)

The apparatus of claim 16,
wherein, if a second group among the plurality of groups is occupied by the first service, in order to receive the data for the second service according to the identified transmission scheme, the at least one processor is further configured to:
determine whether first data for the second service scheduled on a first group among the plurality of groups not occupied by the first service subsequent to the second group includes a reference signal (RS) if second data for the second service scheduled on the second group includes another RS,
receive the second data and subsequent data for the second service at the first group if the first data does not include the RS, and
compare a first priority level of the RS with a second priority level of the another RS if the first data includes the RS and receive the second data and the subsequent data at the first group if the second priority level is higher than the first priority level, and
wherein the second data is not transmitted if the first priority level is higher than the second priority level.

### Claim 20 (depends on 16)

The apparatus of claim 16,
wherein, if a second group among the plurality of groups is occupied by the first service, in order to receive the data for the second service according to the identified transmission scheme, the at least one processor is further configured to:
receive first data scheduled on a first group among the plurality of groups not occupied by the first service, and
wherein second data scheduled on the second group is not transmitted.

### Claim 21 (depends on 16)

The apparatus of claim 16,
wherein, if a first group among the plurality of groups is occupied by the first service, in order to receive the data for the second service according to the identified transmission scheme, the at least one processor is further configured to:
receive the data on a second group among the plurality of groups not occupied by a second service, and
wherein the data is not transmitted on the first group.

### Claim 22 (depends on 16)

The apparatus of claim 16, wherein, if a second group among the plurality of groups is occupied by the first service, in order to receive the data for the second service according to the identified transmission scheme, the at least one processor is further configured to:
receive a reference signal (RS) for the second service scheduled on the second group using the subcarrier spacing of the first service, if the data scheduled on the second group includes the RS.

### Claim 23 (depends on 16)

The apparatus of claim 16, wherein, if a second group among the plurality of groups is occupied by the first service, in order to receive the data for the second service according to the identified transmission scheme, the at least one processor is further configured to:
receive the data at a first group among the plurality of groups not occupied by the first service subsequent to the second group.

### Claim 24 (depends on 16)

The apparatus of claim 16, wherein, if a second group among the plurality of groups is occupied by the first service, in order to receive the data for the second service according to the identified transmission scheme, the at least one processor is further configured to:
receive the data scheduled on the second group and subsequent data for the second service at a first group among the plurality of groups not occupied by the first service subsequent to the second group, if the data includes a reference signal.