# US 12,120,672 B2 · Methods for controlling communication states, terminal, and network device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,672 B2 - Document ID: US12120672B2 - Status: Granted - Kind: B2 - Application number: 17/539,077 - Filed: 2021-11-30 - Published: 2022-03-17 - Granted: 2024-10-15 - Earliest claimed: 2020-05-13 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Weijie Xu - Web page: https://patentgrep.com/patent/US12120672B2 ## CPC - H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame} - H04W 72/1268: of uplink data flows - H04L 5/0023: {Time-frequency-space} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0082: {at predetermined intervals} - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX] - H04B 7/0413: MIMO systems - 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) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - 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 Methods for controlling communication states, a terminal, and a network device are provided. The method includes the following. The terminal receives a physical downlink control channel (PDCCH) from a network device in a first time slot, where the PDCCH carries first indication information indicative of a first communication state. The terminal enters the first communication state in a second time slot according to the first indication information, where the second time slot is after the first time slot. ## Claims ### Claim 1 A method for controlling communication states, comprising: receiving, by a terminal, a physical downlink control channel (PDCCH) from a network device in a first time slot, wherein the PDCCH carries first indication information indicative of a first communication state; and entering, by the terminal, the first communication state in a second time slot according to the first indication information, wherein the second time slot is after the first time slot; wherein the first communication state is a first cross-slot scheduling state, and entering, by the terminal, the first communication state in the second time slot according to the first indication information comprises: entering, by the terminal, the first cross-slot scheduling state in the second time slot according to the first indication information; wherein entering, by the terminal, the first cross-slot scheduling state in the second time slot according to the first indication information comprises: entering, by the terminal, the first cross-slot scheduling state in the second time slot, when the first cross-slot scheduling state is different from a second cross-slot scheduling state that the terminal is currently in. ### Claim 2 (depends on 1) The method of claim 1, further comprising: prior to entering, by the terminal, the first cross-slot scheduling state in the second time slot according to the first indication information: comparing, by the terminal, the first cross-slot scheduling state with the second cross-slot scheduling state. ### Claim 3 (depends on 1) The method of claim 1, wherein an offset of x time slots exists between the second time slot and the first time slot, wherein x is a positive integer. ### Claim 4 (depends on 3) The method of claim 3, wherein x is the maximum between a and Sc, a is a constant, and Sc is a slot offset corresponding to the second cross-slot scheduling state that the terminal is currently in. ### Claim 5 (depends on 1) The method of claim 1, wherein the first indication information comprises N bits, wherein Nis a positive integer, different values of the first indication information are indicative of different first cross-slot scheduling states, and a correspondence between the first cross-slot scheduling states and values of the N bits is configured by high-layer signaling. ### Claim 6 (depends on 5) The method of claim 5, wherein each first cross-slot scheduling state corresponds to a set of slot offsets, wherein the set of slot offsets comprise a first slot offset for the PDSCH and a second slot offset for a physical uplink shared channel (PUSCH). ### Claim 7 (depends on 6) The method of claim 6, wherein each first cross-slot scheduling state corresponding to a set of slot offsets comprises the following: the first cross-slot scheduling state is indicated by N bits, and any values of the N bits indicative of the first cross-slot scheduling state correspond to a combination of the first slot offset and the second slot offset. ### Claim 8 (depends on 1) The method of claim 1, further comprising: transmitting, by the terminal, no first PUSCH to the network device, when the terminal determines that time-domain scheduling information of the first PUSCH does not match the second cross-slot scheduling state that the terminal is currently in, wherein the first PUSCH is a PUSCH scheduled by the PDCCH that is received by the terminal in the first time slot. ### Claim 9 (depends on 8) The method of claim 8, further comprising: determining, by the terminal, that the time-domain scheduling information of the first PUSCH does not match the second cross-slot scheduling state, when a slot offset corresponding to the time-domain scheduling information of the first PUSCH is smaller than a slot offset corresponding to the second cross-slot scheduling state. ### Claim 10 (depends on 1) The method of claim 1, further comprising: receiving, by the terminal, a dedicated control channel (DCCH) from the network device, wherein the DCCH carries second indication information indicative of a default cross-slot scheduling state; and according to the second indication information, entering, by the terminal, the default cross-slot scheduling state at the beginning of a discontinuous reception (DRX) ON state, and entering, by the terminal, the default cross-slot scheduling state at the end of the DRX ON state. ### Claim 11 A method for controlling communication states, comprising: transmitting, by a network device, a physical downlink control channel (PDCCH) to a terminal, wherein the PDCCH carries first indication information indicative of a first communication state, wherein the first communication state is a first cross-slot scheduling state, and wherein the first indication information is used for directing the terminal to enter the first cross-slot scheduling state in a second time slot when the first indication information is received by the terminal in a first time slot and the first cross-slot scheduling state is different from a second cross-slot scheduling state that the terminal is currently in, wherein the second time slot is after the first time slot. ### Claim 12 (depends on 11) The method of claim 11, wherein an offset of x time slots exists between the second time slot and the first time slot, wherein x is a positive integer. ### Claim 13 (depends on 12) The method of claim 12, wherein x is the maximum between a and Sc, a is a constant, and Sc is a slot offset corresponding to the second cross-slot scheduling state that the terminal is currently in. ### Claim 14 (depends on 11) The method of claim 11, wherein the first indication information comprises N bits, wherein Nis a positive integer, different values of the first indication information are indicative of different first cross-slot scheduling states, and a correspondence between the first cross-slot scheduling states and the values of the N bits is configured by high-layer signaling. ### Claim 15 (depends on 14) The method of claim 14, wherein each first cross-slot scheduling state corresponds to a set of slot offsets, wherein the set of slot offsets comprises a first slot offset for the PDSCH and a second slot offset for a physical uplink shared channel (PUSCH). ### Claim 16 (depends on 15) The method of claim 15, wherein each first cross-slot scheduling state corresponding to a set of slot offsets comprises the following: the first cross-slot scheduling state is indicated by N bits, and any values of the N bits indicative of the first cross-slot scheduling state corresponds to a combination of the first slot offset and the second slot offset. ### Claim 17 A terminal, comprising: a transceiver; a processor; and a memory storing computer programs which, when executed by the processor, cause the transceiver to: receive a physical downlink control channel (PDCCH) from a network device in a first time slot, wherein the PDCCH carries first indication information indicative of a first communication state; the computer programs, when executed by the processor, causing the processor to: enter the first communication state in a second time slot according to the first indication information, wherein the second time slot is after the first time slot; wherein the first communication state is a first cross-slot scheduling state; the computer programs causing the processor to enter the first communication state in the second time slot according to the first indication information causes the processor to: enter the first cross-slot scheduling state in the second time slot according to the first indication information; wherein the computer programs causing the processor to enter the first cross-slot scheduling state in the second time slot according to the first indication information causes the processor to: enter the first cross-slot scheduling state in the second time slot, when the first cross-slot scheduling state is different from a second cross-slot scheduling state that the terminal is currently in. ### Claim 18 (depends on 17) The terminal of claim 17, wherein the first indication information comprises N bits, wherein Nis a positive integer, different values of the first indication information are indicative of different first cross-slot scheduling states, and a correspondence between the first cross-slot scheduling states and values of the N bits is configured by high-layer signaling. ### Claim 19 (depends on 18) The terminal of claim 18, wherein each first cross-slot scheduling state corresponds to a set of slot offsets, wherein the set of slot offsets comprises a first slot offset for the PDSCH and a second slot offset for a physical uplink shared channel (PUSCH). ### Claim 20 (depends on 19) The terminal of claim 19, wherein each first cross-slot scheduling state corresponding to a set of slot offsets comprises the following: the first cross-slot scheduling state is indicated by N bits, and any values of the N bits indicative of the first cross-slot scheduling state correspond to a combination of the first slot offset and the second slot offset. ### Claim 21 A network device, comprising: a transceiver; a processor; and a memory storing computer programs which, when executed by the processor, cause the transceiver to: transmit a physical downlink control channel (PDCCH) to a terminal, wherein the PDCCH carries first indication information indicative of a first communication state, wherein the first communication state is a first cross-slot scheduling state, and the first indication information is used for directing the terminal to enter the first cross-slot scheduling state in a second time slot when the first indication information is received by the terminal in a first time slot and the first cross-slot scheduling state is different from a second cross-slot scheduling state that the terminal is currently in, wherein the second time slot is after the first time slot. ### Claim 22 (depends on 21) The network device of claim 21, wherein the first indication information comprises N bits, wherein Nis a positive integer, different values of the first indication information are indicative of different first cross-slot scheduling states, and a correspondence between the first cross-slot scheduling states and the values of the N bits is configured by high-layer signaling. ### Claim 23 (depends on 22) The network device of claim 22, wherein each first cross-slot scheduling state corresponds to a set of slot offsets, wherein the set of slot offsets comprise a first slot offset for the PDSCH and a second slot offset for a physical uplink shared channel (PUSCH). ### Claim 24 (depends on 23) The network device of claim 23, wherein each first cross-slot scheduling state corresponding to a set of slot offsets comprises the following: the first cross-slot scheduling state is indicated by N bits, and any values of the N bits indicative of the first cross-slot scheduling state corresponds to a combination of the first slot offset and the second slot offset.