Energy-saving indication method and apparatus thereof
Disclosed by the present application are an energy-saving indication method and an apparatus thereof. In the present application, a base station determines a terminal that needs to wake up; and when there is a terminal needs to wake up, in a PDCCH detection opportunity configured for the terminal, the base station sends wake-up indication information to the terminal by means of a PDCCH. In the PDCCH detection opportunity configured for the terminal, the terminal receives by means of the PDCCH the wake-up indication information sent by the base station, and performs PDCCH detection according to the wake-up indication information.
1 . An energy-saving indication method, comprising:
determining, by a base station, a terminal needing to wake up or to sleep in a terminal group; and
sending, by the base station through a physical downlink control channel (PDCCH), wake-up indication information and indication information of resource information configured for one or more terminals needing to wake up in the terminal group to the terminal needing to wake up in the terminal group on PDCCH monitor occasions configured for the terminal, wherein the wake-up indication information instructs the terminal to wake up; or sending, by the base station through the PDCCH, Go-To-Sleep (GTS) indication information to the terminal needing to sleep in the terminal group on the PDCCH monitor occasions configured for the terminal group, wherein the GTS indication information instructs the terminal to sleep;
wherein the method further comprises: sending, by the base station through the PDCCH, first downlink control information (DCI) and second DCI to the terminals in the terminal group; wherein
the first DCI comprises a first information field, the first information field comprises a plurality of subfields, each of the plurality of subfields corresponds to one or more terminals in the terminal group, a value of a subfield to which the terminal needing to wake up corresponds is equal to a value of the wake-up indication information, and a value of a subfield to which the terminal needing to sleep corresponds is equal to a value of the GTS indication information; and
the second DCI comprises a second information field, the second information field comprises a plurality of subfields, a quantity of the plurality of subfields comprised in the second information field is smaller than or equal to a quantity of the one or more terminals needing to wake up in the terminal group, each subfield in the second information field corresponds to one or more terminals needing to wake up in the terminal group, and the each subfield is configured to carry the indication information of resource information configured for the one or more terminals needing to wake up.
2 . The method according to claim 1 , wherein before the determining, by the base station, the terminal needing to wake up or to sleep in the terminal group, the method further comprises:
informing, by the base station through high-level signaling, the terminal that the base station instructs the terminal to wake-up or to sleep in an explicit way or an implicit way.
3 . The method according to claim 1 , wherein:
the determining, by the base station, the terminal needing to wake up comprises:
determining, by the base station for at least one terminal group, all terminals in the at least one terminal group needing to wake up, or all terminals in the at least one terminal group needing to sleep; and
the sending, by the base station through the PDCCH, the wake-up indication information to the terminal needing to wake up comprises:
sending, by the base station through the PDCCH, the first DCI to the terminals in the at least one terminal group; wherein
the first DCI comprises a first information field, the first information field comprises at least one subfield, one subfield corresponds to one terminal group in the at least one terminal group, at least two subfields in the first information field carry the wake-up indication information or the GTS indication information, the wake-up indication information carried by one subfield of the at least two subfields instructs all terminals in a terminal group corresponding to the one subfield to wake up, and the GTS indication information carried by another one subfield of the at least two subfields instructs all terminals in a terminal group corresponding to the another one subfield to sleep.
4 . The method according to claim 1 , further comprising:
sending, by the base station, indication information of a quantity of discontinuous reception (DRX) cycles on the PDCCH monitor occasions configured for the terminal.
5 . An energy-saving indication method, comprising:
receiving, by a terminal through a physical downlink control channel (PDCCH), wake-up indication information and indication information of resource information configured for the terminal needing to wake up sent by a base station on PDCCH monitor occasions configured for the terminal, or receiving, by the terminal through the PDCCH, Go-To-Sleep (GTS) indication information sent by the base station on the PDCCH monitor occasions configured for the terminal; wherein the wake-up indication information instructs the terminal to wake up, and the GTS indication information instructs the terminal to sleep; and
performing, by the terminal, PDCCH monitoring according to the wake-up indication information, or giving up, by the terminal, PDCCH monitoring in following one or more discontinuous reception (DRX) cycles according to the GTS indication information;
wherein the terminal is a terminal in a terminal group;
wherein the method further comprises:
obtaining, by the terminal according to its location in the terminal group to which the terminal belongs, the wake-up indication information carried by a subfield in a first information field of first downlink control information (DCI) sent by the base station through the PDCCH; and
determining to wake up, by the terminal according to a location of the terminal among all terminals needing to wake up in the terminal group, a subfield to which the terminal corresponds in a second information field in second DCI sent by the base station through the PDCCH; and obtaining the indication information of resource information configured for the terminal, carried by the subfield; wherein the first DCI comprises the first information field, the first information field comprises a plurality of subfields, each of the plurality of subfields corresponds to one or more terminals in the terminal group, a value of a subfield to which the terminal needing to wake up corresponds is equal to a value of the wake-up indication information, and a value of a subfield to which a terminal needing to sleep corresponds is equal to a value of GTS indication information;
the second DCI comprises the second information field, the second information field comprises a plurality of subfields, a quantity of the plurality of subfields comprised in the second information field is smaller than or equal to a quantity of one or more terminals needing to wake up in the terminal group, each subfield in the second information field corresponds to the one or more terminals needing to wake up in the terminal group, and the each subfield is configured to carry the indication information of resource information configured for the one or more terminals needing to wake up.
6 . The method according to claim 5 , further comprising:
giving up, by the terminal, PDCCH monitoring in following one or more DRX cycles if the terminal does not receive, through the PDCCH, the wake-up indication information and/or the GTS indication information sent by the base station on the PDCCH monitor occasions configured for the terminal.
7 . The method according to claim 5 , further comprising:
performing, by the terminal, configuration according to the indication information of the resource information.
8 . The method according to claim 5 , further comprising:
receiving, by the terminal through the PDCCH, indication information of a quantity of DRX cycles sent by the base station on the PDCCH monitor occasions configured for the terminal; and
monitoring, by the terminal, the PDCCH in a corresponding quantity of the following DRX cycles according to the indication information of the quantity of the DRX cycles.
9 . A communication apparatus, comprising: a processor, a memory and a transceiver, wherein the processor is configured to read a computer instruction in the memory so as to execute the method of claim 5 .
10 . The communication apparatus according to claim 9 , wherein the processor is further configured to:
give up PDCCH monitoring in following one or more DRX cycles if the communication apparatus does not receive, through the PDCCH, the wake-up indication information and/or the GTS indication information sent by the base station on the PDCCH monitor occasions configured for the terminal.
11 . The communication apparatus according to claim 9 , wherein the processor is further configured to:
receive high-level signaling sent by the base station for informing the base station to instruct the terminal to wake-up or to sleep in an explicit way or an implicit way before receiving, through the PDCCH, the wake-up indication information or the GTS indication information.
12 . The method according to claim 5 , before the receiving, by the terminal through the PDCCH wake-up indication information or GTS indication information, the method further comprises:
receiving, by the terminal, high-level signaling sent by the base station for informing the base station to instruct the terminal to wake-up or to sleep in an explicit way or an implicit way.
13 . A communication apparatus, comprising; a processor, a memory and a transceiver, wherein the processor is configured to read a computer instruction in the memory so as to execute:
determining a terminal needing to wake up or to sleep in a terminal group; and
sending, through the transceiver and a physical downlink control channel (PDCCH), wake-up indication information and indication information of resource information configured for one or more terminals needing to wake up in the terminal group to the terminal needing to wake up in the terminal group on PDCCH monitor occasions configured for the terminal, wherein the wake-up indication information instructs the terminal to wake up; or send, through the transceiver and the PDCCH, Go-To-Sleep (GTS) indication information to the terminal needing to sleep in the terminal group on the PDCCH monitor occasions configured for the terminal group, wherein the GTS indication information instructs the terminal to sleep;
wherein the processor is further configured to: send, through the transceiver and the PDCCH, first downlink control information (DCI) and second DCI to the terminals in the terminal group; wherein
the first DCI comprises a first information field, the first information field comprises a plurality of subfields, each of the plurality of subfields corresponds to one or more terminals in the terminal group, a value of a subfield to which the terminal needing to wake up corresponds is equal to a value of the wake-up indication information, and a value of a subfield to which the terminal needing to sleep corresponds is equal to a value of the GTS indication information; and
the second DCI comprises a second information field, the second information field comprises a plurality of subfields, a quantity of the plurality of subfields comprised in the second information field is smaller than or equal to a quantity of the one or more terminals needing to wake up in the terminal group, each subfield in the second information field corresponds to one terminal needing to wake up in the terminal group, and the each subfield is configured to carry the indication information of resource information configured for the one or more terminals needing to wake up.
14 . The communication apparatus according to claim 13 , wherein the processor is configured to:
determine, for at least one terminal group, all terminals in the at least one terminal group needing to wake up, or all terminals in the at least one terminal group needing to sleep; and
send, through the transceiver and the PDCCH, the first DCI to the terminals in the at least one terminal group; wherein
the first DCI comprises a first information field, the first information field comprises at least one subfield, one subfield corresponds to one terminal group in the at least one terminal group, at least two subfields in the first information field carry the wake-up indication information or the GTS indication information, the wake-up indication information carried by one subfield of the at least two subfields instructs all terminals in a terminal group corresponding to the one subfield to wake up, and the GTS indication information carried by another one subfield of the at least two subfields instructs all terminals in a terminal group corresponding to the another one subfield to sleep.
15 . The communication apparatus according to claim 13 , wherein the processor is further configured to:
send, through the transceiver, indication information of a quantity of discontinuous reception (DRX) cycles on the PDCCH monitor occasions configured for the terminal.
16 . The communication apparatus according to claim 13 , wherein the processor is configured to:
inform the terminal that a base station instructs the terminal to wake-up or to sleep in an explicit way or an implicit way through high-level signaling before determining the terminal needing to wake up or to sleep in the terminal group.