IP Library Granted Patent US 12,615,641
Granted Patent B2
US 12,615,641 · App. 17/415,710 · Granted Apr 28, 2026

Time slot scheduling method and device, and medium

Inventors: Lei Wang (Beijing, CN); Meiying Yang (Beijing, CN)
Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
H04W72/23H04L5/0053
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Quick Facts
Patent No.
US 12,615,641
App. No.
17/415,710
Granted
Apr 28, 2026
Kind
B2
Abstract

Disclosed are a time slot scheduling method and device, and a medium, and same are used for relieving the problem in the prior art of the wasting of energy caused by a terminal monitoring, in each time slot, DCI, for scheduling data, in a PDCCH. In the present application, a network side device selects, from scheduling information groups configured for a terminal, at least one scheduling information group used by the terminal; and the network side device instructs, by means of DCI, the terminal to use the at least one scheduling information group to carry out data transmission in one or more time slots. Since the at least one scheduling information group used by the terminal is selected from the plurality of scheduling information groups, and the terminal is instructed, by means of the DCI.

Claims (57)

1 . A time slot scheduling method based on Downlink Control Information (DCI), comprising:

configuring, by a network side device, a first corresponding relationship between scheduling information groups and scheduling information group indexes for a terminal through high-level signaling;

selecting, by the network side device, from a plurality of scheduling information groups configured for the terminal, at least one scheduling information group to be used by the terminal;

determining, by the network side device, a scheduling information group index corresponding to the at least one scheduling information group to be used by the terminal according to the first corresponding relationship;

configuring, by the network side device, a second corresponding relationship between position indexes of scheduling indication information domains in one DCI and time slots for the terminal through high-level signaling;

determining, by the network side device, a position index, in the one DCI, of a scheduling indication information domain corresponding to a time slot needing to be scheduled according to the second corresponding relationship; and

sending, by the network side device, a scheduling information group index corresponding to the time slot to the terminal through the corresponding scheduling indication information domain in the one DCI according to the position index;

wherein the scheduling information group indexes are determined according to a quantity of the scheduling information groups configured for the terminal by the network side device; wherein the scheduling information groups in the first corresponding relationship configured for the terminal by the network side device through high-level signaling comprises:

a scheduling information group containing all scheduling information; and

a scheduling information group containing part of the scheduling information;

wherein the scheduling information comprises time domain resource distribution information; the DCI is configured to schedule data transmission in a plurality of time slots, and the scheduling information at least indicates time domain resource distribution information used by the terminal in each of the plurality of time slots.

2 . The method according to claim 1 , wherein when the scheduling information group contains part of the scheduling information, remaining scheduling information is pre-defined, or remaining scheduling information is configured in a semi-static manner for the terminal by the network side device through the high-level signaling, or remaining scheduling information is configured dynamically for the terminal by the network side device through physical-layer signaling.

3 . The method according to claim 1 , further comprising:

determining, by the network side device, a length of the scheduling indication information domain according to the quantity of the scheduling information groups configured for the terminal.

4 . The method according to claim 1 , wherein

when the scheduling information group configured for the terminal contains all the scheduling information, directly scheduling, by the network side device, the scheduling information group carried by a scheduling indication information domain corresponding to the plurality of time slots via the one DCI; or

when the scheduling information group configured for the terminal contains part of the scheduling information, performing, by the network side device, scheduling via the scheduling information group carried by a scheduling indication information domain corresponding to the plurality of time slots configured for the terminal in the one DCI and via remaining scheduling information configured for the terminal through the high-level signaling; or

when the scheduling information group configured for the terminal contains part of the scheduling information, performing, by the network side device, scheduling via the scheduling information group carried by a scheduling indication information domain corresponding to the plurality of time slots configured for the terminal in the one DCI and via remaining scheduling information dynamically indicated in the one DCI.

5 . The method according to claim 1 , wherein the network side device notifies the terminal that a payload size of the one DCI used for the scheduling information group is the same as one or more of: a DCI format 0-0, a DCI format 1-0, a DCI format 0-1, or a DCI format 1-1; or

the network side device notifies the terminal that a payload size of the one DCI used for the at least one scheduling information group is configured for the terminal by the network side device through high-level signaling.

6 . The method according to claim 1 , wherein the network side device notifies the terminal that the received DCI is the one DCI configured to schedule data transmission in the plurality of time slots through at least one of following manners:

scrambling, by the network side device, the DCI configured to schedule data transmission in the plurality of time slots through a first Radio Network Temporary Identity (RNTI);

carrying, by the network side device, information representing a DCI type in the DCI configured to schedule data transmission in the plurality of time slots;

sending, by the network side device, the one DCI configured to schedule data transmission in the plurality of time slots in a specific search space;

carrying, by the network side device, information representing a DCI type on frozen bits; or

setting, by the network side device, part of bits in the one DCI configured to schedule data transmission in the plurality of time slots to be predetermined values.

7 . A time slot scheduling method based on Downlink Control Information (DCI), comprising:

receiving, by a terminal, a first corresponding relationship configured by a network side device via high-level signaling between scheduling information groups and scheduling information group indexes; receiving, by the terminal, a scheduling information group index sent by the network side device via one DCI; and determining, by the terminal, at least one scheduling information group indicated by the scheduling information group index;

wherein the scheduling information group index is a scheduling information group index, corresponding to at least one scheduling information group, determined by the network side device according to the first corresponding relationship, and the at least one scheduling information group is selected by the network side device from a plurality of scheduling information groups configured for the terminal; wherein the scheduling information group index is determined according to a quantity of scheduling information groups configured for the terminal by the network side device; wherein the scheduling information groups in the first corresponding relationship configured for the terminal by the network side device through high- level signaling comprises: a scheduling information group containing all scheduling information; and a scheduling information group containing part of the scheduling information; wherein the scheduling information comprises time domain resource distribution information; the DCI is configured to schedule data transmission in a plurality of time slots, and the scheduling information at least indicates time domain resource distribution information used by the terminal in each of the plurality of time slots;

wherein the scheduling information group index is sent by the network side device, corresponding to a time slot through a scheduling indication information domain, in the one DCI, corresponding to the time slot; and the scheduling indication information domain is determined by the network side device according to a position index, in the one DCI, of the scheduling indication information domain corresponding to the time slot needing to be scheduled in a second corresponding relationship between position indexes of scheduling indication information domains in the one DCI and time slots; and

carrying out, by the terminal, data transmission in the plurality of time slots by using the at least one scheduling information group.

8 . The method according to claim 7 , wherein when the at least one scheduling information group contains part of the scheduling information, remaining scheduling information is pre-defined, or remaining scheduling information is configured in a semi-static manner for the terminal by the network side device through the high-level signaling, or remaining scheduling information is configured dynamically for the terminal by the network side device through physical-layer signaling.

9 . The method according to claim 7 , wherein before the receiving, by the terminal, the at least one scheduling information group instructed by the network side device for the terminal via the one DCI, the method further comprises:

receiving, by the terminal, the second corresponding relationship, carried by high-level signaling and configured for the terminal by the network side device, between position indexes of scheduling indication information domains in the one DCI and time slots.

10 . The method according to claim 7 , wherein a payload size, notified by the network side device and received by the terminal, of the one DCI used for the scheduling information group is the same as one or more of: a DCI format 0-0, a DCI format 1-0, a DCI format 0-1, or a DCI format 1-1; or

a payload size, notified by the network side device and received by the terminal, of the DCI used for the scheduling information group is configured for the terminal by the network side device through high-level signaling.

11 . The method according to claim 7 , wherein the terminal determines that the DCI sent by the network side device is the one DCI configured to schedule data transmission in the plurality of time slots through at least one of following manners:

determining, by the terminal, that the DCI sent by the network side device is DCI scrambled through a first RNTI;

determining, by the terminal, that the DCI sent by the network side device carries information representing a DCI type;

determining, by the terminal, that the DCI sent by the network side device carries information representing a DCI type on frozen bits;

receiving, by the terminal, the DCI configured to schedule data transmission in the plurality of time slots in a specific search space; or

determining, by the terminal, that part of bits in the DCI sent by the network side device are predetermined values.

12 . A device for time slot scheduling based on Downlink Control Information (DCI), comprising a processor, a memory and a transceiver;

wherein the processor is configured to read a program in the memory and execute:

configuring a first corresponding relationship between scheduling information groups and scheduling information group indexes for a terminal through high-level signaling;

selecting, from a plurality of scheduling information groups configured for the terminal, at least one scheduling information group to be used by the terminal;

determining a scheduling information group index corresponding to the at least one scheduling information group to be used by the terminal according to the first corresponding relationship;

configuring a second corresponding relationship between position indexes of scheduling indication information domains in one DCI and time slots for the terminal through high-level signaling;

determining a position index, in the one DCI, of a scheduling indication information domain corresponding to a time slot needing to be scheduled according to the second corresponding relationship; and

sending a scheduling information group index corresponding to the time slot to the terminal through the corresponding scheduling indication information domain in the one DCI according to the position index;

wherein the scheduling information group indexes are determined according to a quantity of the scheduling information groups configured for the terminal by the network side device;

wherein the scheduling information groups in the first corresponding relationship configured for the terminal by the network side device through high-level signaling comprises:

a scheduling information group containing all scheduling information; and

a scheduling information group containing part of the scheduling information;

wherein the scheduling information comprises time domain resource distribution information; the DCI is configured to schedule data transmission in a plurality of time slots, and the scheduling information at least indicates time domain resource distribution information used by the terminal in each of the plurality of time slots.

13 . A device for time slot scheduling based on Downlink Control Information (DCI), comprising a processor, a memory and a transceiver;

wherein the processor is configured to read a program in the memory and execute the method of claim 7 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 17, 2021
From: WANG, LEI; YANG, MEIYING
To: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO.,LTD.
Reel/Frame 056581/0105 →
Priority Claims (1)
CN 201811565144.6 · Dec 20, 2018 · national
Continuity (1)
Related Publication 20220061082A1 · Feb 24, 2022
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