Power saving schemes in wireless communication
Methods, systems, and devices for power saving schemes in a wireless communication are described. A wireless communication method is provided to include obtaining, by a network device, one or more parameters of a user device, determining, by the network device, whether the one or more parameters satisfy a predetermined condition, and configuring the user device in a power saving mode based on the one or more parameters.
1. A wireless communication method, comprising:
configuring one or more parameters of a user device that include a control information including a first downlink control information, DCI, format scheduling a physical uplink shared channel, PUSCH, in a cell or a second DCI format scheduling a physical downlink shared channel, PDSCH, in the cell, the first DCI format being DCI format 0_0 or DCI format 0_1 and the second DCI format being DCI format 1_0 or DCI format 1_1;
configuring, by a network device, the user device to operate in a cross slot scheduling mode by transmitting configuration information including the one or more parameters to the user device,
wherein, in the cross slot scheduling mode, a slot offset between a first slot for a transmission of a control channel carrying the control information and a second slot for a transmission of the PUSCH or the PDSCH is greater than zero, the second slot being later than the first slot;
wherein in response to receiving the control information including the second DCI format scheduling the PDSCH, the user device is scheduled to receive the PDSCH with the slot offset between the first slot and the second slot carrying the PDSCH being greater than one slot, and in response to receiving the control information including the first DCI format scheduling the PUSCH, the user device is scheduled to receive the PUSCH with the slot offset between the first slot and the second slot carrying the PUSCH being one of {7, 8, 9, 10, 12, 15},
wherein the slot offset has a value (N) that identifies the second slot in a slot N that is a N th slot from the first slot in a slot 0 among a set of slots, {slot 0, . . . slot N}, N being a natural number, the set of slots including N slots sequentially arranged without any intervening slot and each slot configured for data transmissions between the user device and the network device.
2. The wireless communication method of claim 1 , wherein the one or more parameters of the user device further include at least one of PDSCH configuration, or PUSCH configuration.
3. The wireless communication method of claim 1 , wherein the control channel includes a physical downlink control channel (PDCCH).
4. A wireless communication method, comprising:
receiving, by a user device from a network device, configuration information to operate the user device in a cross slot scheduling mode in which a slot offset between a first slot for a transmission of a control channel carrying a control information and a second slot for a transmission of a physical uplink shared channel, PUSCH, or a physical downlink shared channel, PDSCH, is greater than zero, the second slot being later than the first slot;
receiving, by the user device, the transmission of the control channel in the first slot,
wherein the control channel carries allocation information that allocates the second slot,
wherein the configuration information includes one or more parameters of the user device that include the control information including a first downlink control information, DCI, format scheduling the PUSCH in a cell or a second DCI format scheduling the PDSCH, in the cell, the first DCI format being DCI format 0_0 or DCI format 0_1 and the second DCI format being DCI format 1_0 or DCI format 1_1, and
wherein in response to receiving the control information including the second DCI format scheduling the PDSCH, the user device is scheduled to receive the PDSCH with the slot offset between the first slot and the second slot carrying the PDSCH being greater than one slot, and in response to receiving the control information including the first DCI format scheduling the PUSCH, the user device is scheduled to receive the PUSCH with the slot offset between the first slot and the second slot being one of {7, 8, 9, 10, 12, 15},
wherein the slot offset has a value (N) that identifies the second slot in a slot N that is a N th slot from the first slot in a slot 0 among a set of slots, {slot 0, . . . slot N}, N being a natural number, the set of slots including N slots sequentially arranged without any intervening slot and each slot configured for data transmissions between the user device and the network device.
5. The wireless communication method of claim 4 , wherein the one or more parameters of the user device further include at least one of PDSCH configuration, or PUSCH configuration.
6. The wireless communication method of claim 4 , wherein the control channel includes a physical downlink control channel (PDCCH).
7. The wireless communication method of claim 4 , further comprising configuring the user device to operate in the cross slot scheduling mode based on the configuration information.
8. A wireless communication apparatus, comprising a processor configured to implement a method comprising:
configuring one or more parameters of a user device that include a control information including a first downlink control information, DCI, format scheduling a physical uplink shared channel, PUSCH, in a cell or a second DCI format scheduling a physical downlink shared channel, PDSCH, in the cell, the first DCI format being DCI format 0_0 or DCI format 0_1 and the second DCI format being DCI format 1_0 or DCI format 1_1;
configuring the user device to operate in a cross slot scheduling mode by transmitting configuration information including the one or more parameters to the user device,
wherein, in the cross slot scheduling mode, a slot offset between a first slot for a transmission of a control channel carrying the control information and a second slot for a transmission of the PUSCH or the PDSCH is greater than zero, the second slot being later than the first slot;
wherein in response to receiving the control information including the second DCI format scheduling the PDSCH, the user device is scheduled to receive the PDSCH with the slot offset between the first slot and the second slot carrying the PDSCH being greater than one slot, and in response to receiving the control information including the first DCI format scheduling the PUSCH, the user device is scheduled to receive the PUSCH with the slot offset between the first slot and the second slot carrying the PUSCH being one of {7, 8, 9, 10, 12, 15},
wherein the slot offset has a value (N) that identifies the second slot in a slot N that is a N th slot from the first slot in a slot 0 among a set of slots, {slot 0 . . . slot N}, N being a natural number, the set of slots including N slots sequentially arranged without any intervening slot and each slot configured for data transmissions between the user device and a network device.
9. The wireless communication apparatus of claim 8 , wherein the one or more parameters of the user device further include at least one of PDSCH configuration, or PUSCH configuration.
10. The wireless communication apparatus of claim 8 , wherein the control channel includes a physical downlink control channel (PDCCH).
11. A wireless communication apparatus, comprising a processor configured to implement a method comprising:
receiving configuration information to operate the wireless communication apparatus in a cross slot scheduling mode in which a slot offset between a first slot for a transmission of a control channel carrying a control information and a second slot for a transmission of a physical uplink shared channel, PUSCH, or a physical downlink shared channel, PDSCH, is greater than zero, the second slot being later than the first slot;
receiving the transmission of the control channel in the first slot; and
wherein the control channel carries allocation information that allocates the second slot,
wherein the configuration information includes one or more parameters of the wireless communication apparatus that include the control information including a first downlink control information, DCI, format scheduling the PUSCH in a cell or a second DCI format scheduling the PDSCH, in the cell, the first DCI format being DCI format 0_0 or DCI format 0_1 and the second DCI format being DCI format 1_0 or DCI format 1_1, and
wherein in response to receiving the control information including the second DCI format scheduling the PDSCH, the wireless communication apparatus is scheduled to receive the PDSCH with the slot offset between the first slot and the second slot carrying the PDSCH being greater than one slot, and in response to receiving the control information including the first DCI format scheduling the PUSCH, the wireless communication apparatus is scheduled to receive the PUSCH with the slot offset between the first slot and the second slot being one of {7, 8, 9, 10, 12, 15},
wherein the slot offset has a value (N) that identifies the second slot in a slot N that is a N th slot from the first slot in a slot 0 among a set of slots, {slot 0 . . . slot N}, N being a natural number, the set of slots including N slots sequentially arranged without any intervening slot and each slot configured for data transmissions between a user device and a network device.
12. The wireless communication apparatus of claim 11 , wherein the one or more parameters of the wireless communication apparatus further include at least one of PDSCH configuration, or PUSCH configuration.
13. The wireless communication apparatus of claim 11 , wherein the control channel includes a physical downlink control channel (PDCCH).
14. The wireless communication apparatus of claim 11 , wherein the method further comprises configuring the wireless communication apparatus to operate in the cross slot scheduling mode based on the configuration information.