# US 2019/0174411 A1 · Electronic device and method used for network control terminal and network node

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- Number: US 2019/0174411 A1
- Document ID: US20190174411A1
- Status: Published application
- Kind: A1
- Application number: 16/313,903
- Filed: 2017-07-21
- Published: 2019-06-06
- Earliest claimed: 2016-08-11
- Assignees: Sony Corporation
- Applicants: Sony Corporation
- Inventors: Xiaodong XU; Yunqiu XIAO; Xin GUO; Shiqing ZHANG; Yi ZHANG
- Web page: https://patentgrep.com/patent/US20190174411A1

## CPC

- H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame}
- H04W 52/02: Power saving arrangements
- H04W 72/12: Wireless traffic scheduling
- H04W 72/20: Control channels or signalling for resource management
- H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX]
- H04W 88/04: adapted for relaying to or from another terminal or user
- Y02D 30/70: in wireless communication networks
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

Provided in the present disclosure is an electronic device used for a network control terminal and a method used for the electronic device, and an electronic device used for a network node and a method used for the electronic device. The electronic device used for the network control terminal comprises: a processing circuit, configured to configure, for a relay link between the network node and one or more other network nodes, a SL-DRX for the network node and/or the one or mote other network nodes and perform relay transmission between the network node and the one or more other network nodes on the basis of the configuration of the SL-DRX.

## Claims

### Claim 1

An electronic apparatus for a network control terminal, comprising:
processing circuitry, configured to:
with respect to a sidelink between a relay network node and a remote network node, configure discontinuous reception SL-DRX for the relay network node and/or the remote network node; and
generate a control signaling including configuration of the SL-DRX, to indicate to the relay network node and/or the remote network node.

### Claim 2 (depends on 1)

The electronic apparatus according to claim 1, wherein, the processing circuitry is configured to configure the discontinuous reception SL-DRX by determining an active time for the relay network node and/or the remote network node to detect PSCCH and a sleep time for the relay network node and/or the remote network node not to detect the PSCCH.

### Claim 3 (depends on 1)

The electronic apparatus according to claim 1, further comprising:
a transceiving unit, configured to transmit the control signaling to the relay network node and/or the remote network node.

### Claim 4

(canceled)

### Claim 5 (depends on 3)

The electronic apparatus according to claim 3, wherein, the transceiving unit is configured to transmit the control signaling including the configuration of the SL-DRX of the relay network node and the remote network node to the relay network node, wherein, the configuration of the SL-DRX of the remote network node is forwarded by the relay network node.

### Claim 6 (depends on 1)

The electronic apparatus according to claim 1, wherein, the processing circuitry is further configured to allocate resources orthogonal to each other to general downlink transmission from the network control terminal to the relay network node and sidelink transmission from the remote network node to the relay network node; or allocate resources orthogonal to each other to general downlink transmission from the network control terminal to the remote network node and sidelink transmission from the relay network node to the remote network node.

### Claim 7 (depends on 6)

The electronic apparatus according to claim 6, wherein, the processing circuitry is further configured to set, based on priority levels of the general link and the sidelink, a transmission order of the general link and the sidelink, and update the configuration of the SL-DRX of the relay network node or the remote network node based on the transmission order.

### Claim 8 (depends on 1)

The electronic apparatus according to claim 1, wherein, the processing circuitry is configured to schedule, based on a SL-DRX sleep indicator from the relay network node, general downlink transmission from the network control terminal to the relay network node, wherein, the SL-DRX sleep indicator represents that the sidelink of the relay network node enters a sleep state.

### Claim 9 (depends on 1)

The electronic apparatus according to claim 1, wherein, the processing circuitry is configured to schedule, based on a SL-DRX remote sleep indicator from the relay network node, general downlink transmission from the network control terminal to the remote network node, wherein, the SL-DRX remote sleep indicator represents that the sidelink of the remote network node enters a sleep state.

### Claim 10 (depends on 1)

The electronic apparatus according to claim 1, wherein, in a case that discontinuous reception (DRX) is used between the network control terminal and a network node, the processing circuitry is configured to allocate receiving resources orthogonal to each other to the DRX and the SL-DRX.

### Claim 11 (depends on 10)

The electronic apparatus according to claim 10, wherein, the processing circuitry is configured to allocate receiving time windows independent from each other in time domain to the DRX and the SL-DRX.

### Claim 12 (depends on 1)

The electronic apparatus according to claim 1, wherein, in a case that discontinuous reception DRX is used between the network control terminal and a network node, the processing circuitry is further configured to adjust, based on an adjusting indication from the network node, the configuration of the DRX or SL-DRX of the network node.

### Claim 13 (depends on 1)

The electronic apparatus according to claim 1, wherein, in a case that discontinuous reception DRX is used between the network control terminal and the remote network node, the processing circuity is further configured to generate, after the network control terminal finishes data transmission to the remote network node, a UuDRX remote sleep indicator to indicate to the relay network node that the DRX of the remote network node enters a sleep time.

### Claim 14 (depends on 13)

The electronic apparatus according to claim 13, wherein, the processing circuitry is further configured to update the configuration of the SL-DRX of the remote network node.

### Claim 15 (depends on 2)

The electronic apparatus according to claim 2, wherein, the configuration of the SL-DRX comprises: a SLDRX-onDurationTimer for indicating the number of continuous PSCCH sub-frames for a network node to detect the PSCCH after the network node wakes up from a sleep state; a SLDRX-InactivityTimer for indicating the maximum number of PSCCH sub-frames for the network node to wait for successful decoding of the PSCCH; a SLDRX-Cycle for indicating the number of subframes included in one SL-DRX cycle; and a SLDRX-StartOffset for indicating a sub-frame position where each SL-DRX cycle starts.

### Claim 16

An electronic apparatus for a network node, comprising:
processing circuitry, configured to:
with respect to a sidelink between the network node and one or more other network nodes, configure discontinuous reception SL-DRX for the network node and/or the one or more other network nodes; and
perform, based on configuration of the SL-DRX, relay transmission between the network node and the one or more other network nodes.

### Claim 17 (depends on 16)

The electronic apparatus according to claim 16, wherein, the processing circuitry is configured to configure the discontinuous reception SL-DRX by determining an active time for the network node and/or the one or more other network nodes to detect PSCCH and a sleep time for the network node and/or the one or more other network not to detect the PSCCH.

### Claim 18 (depends on 16)

The electronic apparatus according to claim 16, further comprising:
a transceiving unit, configured to transmit a control signaling including configuration of the SL-DRX of another network node to the corresponding network node.

### Claim 19

(canceled)

### Claim 20 (depends on 18)

The electronic apparatus according to claim 18, wherein, the transceiving unit is further configured to transmit control information instructing the other network node to enter a SL-DRX sleep state to the other network node, or receive the control information from the other network node.

### Claim 21

(canceled)

### Claim 22 (depends on 16)

The electronic apparatus according to claim 16, wherein, the processing circuitry is configured to determine, based on a control signaling from a network control terminal, the configuration of the SL-DRX.

### Claim 23

(canceled)

### Claim 24 (depends on 16)

The electronic apparatus according to claim 16, wherein, in a case that discontinuous reception DRX is used between a network control terminal and the network node, the processing circuitry is further configured to generate, in a case that a receiving time window of the DRX and that of the SL-DRX overlap, an adjusting indication for adjusting the configuration of the DRX or the SL-DRX, to instruct the network control terminal or the other network node to adjust the configuration of the DRX or the SL-DRX.

### Claim at position 25

25-41. (canceled)