# US 11,115,967 B2 · Method and apparatus for handling eMBB and URLLC simultaneous transmissions

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- Number: US 11,115,967 B2
- Document ID: US11115967B2
- Status: Granted
- Kind: B2
- Application number: 16/433,327
- Filed: 2019-06-06
- Published: 2019-12-26
- Granted: 2021-09-07
- Earliest claimed: 2018-06-20
- Assignees: FG Innovation Company Limited
- Applicants: FG Innovation Company Limited
- Inventors: Yu-Hsin Cheng; Chie-Ming Chou; Chien-Chun Cheng
- Web page: https://patentgrep.com/patent/US11115967B2

## CPC

- H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information}
- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04L 1/0004: {applied to control information}
- H04L 1/0026: {Transmission of channel quality indication}
- H04L 1/0061: {Error detection codes}
- H04L 1/1819: {with retransmission of additional or different redundancy}
- H04L 1/203: {Details of error rate determination, e.g. BER, FER or WER}
- H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)}
- H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)}
- H04L 5/0057: {Physical resource allocation for CQI}
- H04W 24/08: Testing, {supervising or monitoring} using real traffic
- H04W 72/0466: {the resource being a scrambling code}
- H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network
- H04W 76/11: Allocation or use of connection identifiers
- H04W 76/27: Transitions between radio resource control [RRC] states
- H04L 1/0016: {involving special memory structures, e.g. look-up tables}
- 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

Techniques are described for handling enhanced Mobile Broadband (eMBB) and Ultra Reliable Low Latency Communication (URLLC) simultaneous transmissions. For example, based on received downlink control information (DCI), user equipment (UE) can determine one or more behaviors to perform based on whether the DCI is related an enhanced mobile broadband (eMBB) service and/or an ultra-reliable low-latency communication (URLLC) service. The behaviors performed when the DCI is related to the eMBB service can be different than the behaviors performed when the DCI is related to the URLLC service.

## Claims

### Claim 1

A method of applying one or more behaviors based on one or more services, comprising:
receiving, at user equipment, downlink control information (DCI);
applying a first behavior based on determining that a resource allocation associated with the DCI is configured for an enhanced mobile broadband (eMBB) service, wherein:
applying the first behavior includes generating a first channel state information (CSI) report for the eMBB service;
the first CSI report includes one or more CSI parameters for a first channel quality indicator (CQI) table with a first block error rate (BLER) and one or more CSI parameters for a second CQI table with a second BLER;
uplink control information (UCI) bits of the one or more CSI parameters for the first CQI table are calculated using a first beta offset; and
UCI bits of the one or more CSI parameters for the second CQI table are calculated using a second beta offset; and
applying a second behavior based on determining the resource allocation associated with the DCI is configured for an ultra-reliable low-latency communication (URLLC) service, wherein applying the second behavior includes generating a second CSI report for the URLLC service and performing UCI multiplexing for the second CSI report for the URLLC service on a first physical uplink control channel (PUCCH) resource by dropping the first CSI report for the eMBB service on a second PUCCH resource;
wherein the first PUCCH resource and the second PUCCH resource are at least partially overlapped.

### Claim 2 (depends on 1)

The method of claim 1, wherein the eMBB service and the URLLC service are used simultaneously by the user equipment.

### Claim 3 (depends on 1)

The method of claim 1, wherein determining the resource allocation associated with the DCI is configured for the URLLC service includes determining that one or more cyclic redundancy check (CRC) bits of the DCI are scrambled with a radio network temporary identifier (RNTI).

### Claim 4 (depends on 1)

The method of claim 1, wherein determining the resource allocation associated with the DCI is configured for the URLLC service includes determining that a DCI format associated with the DCI has less bits than one or more DCI formats used for the eMBB service.

### Claim 5 (depends on 1)

The method of claim 1, wherein determining the resource allocation associated with the DCI is configured for the URLLC service includes determining that a modulation coding scheme (MCS) table configured for at least one of a downlink channel or an uplink channel is an MCS table used for the URLLC service.

### Claim 6 (depends on 1)

The method of claim 1, wherein determining the resource allocation associated with the DCI is configured for the URLLC service includes determining that the DCI was transmitted repetitively in a plurality of physical downlink control channel (PDCCH) monitoring occasions on a plurality of ControlResourceSets (CORESETs) for the URLLC service.

### Claim 7 (depends on 1)

The method of claim 1, wherein determining the resource allocation associated with the DCI is configured for the URLLC service includes determining that the DCI includes a physical downlink control channel (PDCCH) monitoring occasion having a periodicity of less than one slot.

### Claim 8 (depends on 1)

The method of claim 1, wherein the UCI multiplexing includes transmitting multiple UCI on a PUCCH resource.

### Claim 9 (depends on 1)

The method of claim 1, wherein a PUCCH format for the first PUCCH resource and the second PUCCH resource is PUCCH format 2.

### Claim 10 (depends on 1)

The method of claim 1, wherein the first CSI report for the eMBB service is dropped when UCI bits are determined to exceed a capacity of the first PUCCH resource.

### Claim 11 (depends on 1)

The method of claim 1, wherein dropping the first CSI report for the eMBB service includes dropping a portion of the first CSI report for the eMBB service.

### Claim 12

An apparatus for applying one or more behaviors based on one or more services, comprising:
a memory configured to store downlink control information (DCI); and
a processor coupled to the memory and configured to:
receive the DCI;
apply a first behavior based on determining that a resource allocation associated with the DCI is configured for an enhanced mobile broadband (eMBB) service, wherein:
applying the first behavior includes generating a first channel state information (CSI) report for the eMBB service;
the first CSI report includes one or more CSI parameters for a first channel quality indicator (CQI) table with a first block error rate (BLER) and one or more CSI parameters for a second CQI table with a second BLER;
uplink control information (UCI) bits of the one or more CSI parameters for the first CQI table are calculated using a first beta offset; and
UCI bits of the one or more CSI parameters for the second CQI table are calculated using a second beta offset; and
apply a second behavior based on determining the resource allocation associated with the DCI is configured for an ultra-reliable low-latency communication (URLLC) service, wherein applying the second behavior includes generating a second CSI report for the URLLC service and performing UCI multiplexing for the second CSI report for the URLLC service on a first physical uplink control channel (PUCCH) resource by dropping the first CSI report for the eMBB service on a second PUCCH resource;
wherein the first PUCCH resource and the second PUCCH resource are at least partially overlapped.

### Claim 13 (depends on 12)

The apparatus of claim 12, wherein the apparatus comprises a mobile device.

### Claim 14 (depends on 12)

The apparatus of claim 12, wherein the first CSI report for the eMBB service is dropped when UCI bits are determined to exceed a capacity of the first PUCCH resource.
