Granted Patent B2

US 12,627,396 · App. 18/553,075 · Granted May 12, 2026

Inventor: Qin Mu (Beijing, CN)

Assignee: Beijing Xiaomi Mobile Software Co., Ltd.

H04L1/0007H04L1/0025H04W74/0833H04W74/0866

Abstract

Claims (40)

1 . A method for sending downlink information, comprising:

determining, by a network device, a transport block size scaling (TBS Scaling) processing mode corresponding to first downlink information, the TBS Scaling processing mode comprising a first processing mode or a second processing mode, the first processing mode being a processing mode to perform TBS Scaling, and the second processing mode being a processing mode not to perform TBS Scaling; and

sending, by the network device, the first downlink information in the TBS Scaling processing mode, wherein the first downlink information is received by a user equipment in a TBS Scaling processing mode, and the TBS Scaling processing mode is determined by the user equipment by: measuring a channel state of a downlink channel, determining a time-frequency resource of a corresponding physical random access channel (PRACH) according to the channel state, and determining the TBS Scaling processing mode according to the time-frequency resource and a corresponding relationship, wherein the corresponding relationship comprising a corresponding relationship between the time-frequency resource and the TBS Scaling processing mode;

wherein the method comprises one of:

sending a system message comprising a system parameter, wherein the system parameter is a transmission power of the network device, and determining the TBS Scaling processing mode corresponding to the first downlink information comprises one of: in a case of the system parameter being less than or equal to a first set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode: in a case of the system parameter being greater than the first set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode; in a case of the system parameter being greater than a second set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode; or, in a case of the system parameter being less than or equal to the second set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode;

sending second downlink information, wherein determining the TBS Scaling processing mode corresponding to the first downlink information comprises one of: in a case of a scaling factor when using TBS Scaling corresponding to the second downlink information being less than or equal to a set factor, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode; or, in a case of a scaling factor when using TBS Scaling corresponding to the second downlink information being greater than the set factor, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode; or

receiving first uplink information, wherein determining the TBS Scaling processing mode corresponding to first downlink information comprises: determining the TBS Scaling processing mode corresponding to the first downlink information according to a transmission scheme corresponding to the first uplink information.

2 . The method according to claim 1 , wherein receiving the first uplink information comprises one of:

receiving the first uplink information before sending the first downlink information;

receiving the first uplink information after sending the first downlink information; or

receiving the first uplink information at a same time as sending the first downlink information.

3 . A method for receiving downlink information, comprising:

determining, by a user equipment, a transport block size scaling (TBS Scaling) processing mode corresponding to first downlink information, the TBS Scaling processing mode comprising a first processing mode or a second processing mode, the first processing mode being a processing mode to perform TBS Scaling, and the second processing mode being a processing mode not to perform TBS Scaling; and

receiving, by the user equipment, the first downlink information in the TBS Scaling processing mode;

wherein determining the TBS Scaling processing mode corresponding to first downlink information comprises one of:

measuring a channel state of a downlink channel, determining a time-frequency resource of a corresponding physical random access channel (PRACH) according to the channel state, and determining the TBS Scaling processing mode according to the time-frequency resource and a corresponding relationship, wherein the corresponding relationship comprising a corresponding relationship between the time-frequency resource and the TBS Scaling processing mode;

in a case of a system parameter in a system message received by the user equipment being less than or equal to a first set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode, wherein the system parameter is a transmission power of a network device;

in a case of a system parameter in a system message received by the user equipment being greater than the first set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode, wherein the system parameter is a transmission power of a network device;

in a case of a system parameter in a system message received by the user equipment being greater than a second set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode, wherein the system parameter is a transmission power of a network device;

in a case of a system parameter in a system message received by the user equipment being less than or equal to the second set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode, wherein the system parameter is a transmission power of a network device;

in a case of not receiving third indication information from a network device, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode or the second processing mode, wherein the third indication information is used to indicate information for determining the TBS Scaling processing mode corresponding to the first downlink information;

in a case of a scaling factor when using TBS Scaling corresponding to second downlink information received by the user equipment being less than or equal to a set factor, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode;

in a case of a scaling factor when using TBS Scaling corresponding to second downlink information received by the user equipment being greater than the set factor, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode; or

determining the TBS Scaling processing mode corresponding to the first downlink information according to a transmission scheme corresponding to first uplink information sent by the user equipment.

4 . The method according to claim 3 , wherein in a case of not receiving the third indication information from a network device, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode or the second processing mode comprises:

determining the TBS Scaling processing mode corresponding to the first downlink information according to a mode provided in a communication protocol.

5 . A mobile terminal, comprising:

a processor; and

a memory, configured to store an executable instruction by the processor;

wherein the processor is configured to execute the executable instruction in the memory to implement steps of the method for receiving downlink information according to claim 3 .

6 . A network-side device, comprising:

a processor; and

a memory, configured to store an executable instruction by the processor;

wherein the processor is configured to execute the executable instruction in the memory to cause the network-side device to:

determine a transport block size scaling (TBS Scaling) processing mode corresponding to first downlink information, the TBS Scaling processing mode comprising a first processing mode or a second processing mode, the first processing mode being a processing mode to perform TBS Scaling, and the second processing mode being a processing mode not to perform TBS Scaling; and

send the first downlink information in the TBS Scaling processing mode, wherein the first downlink information is received by a user equipment in a TBS Scaling processing mode, and the TBS Scaling processing mode is determined by the user equipment by: measuring a channel state of a downlink channel, determining a time-frequency resource of a corresponding physical random access channel (PRACH) according to the channel state, and determining the TBS Scaling processing mode according to the time-frequency resource and a corresponding relationship, wherein the corresponding relationship comprising a corresponding relationship between the time-frequency resource and the TBS Scaling processing mode;

wherein the network-side device is further cause to perform one of:

sending a system message comprising a system parameter, wherein the system parameter is a transmission power of the network device, and determining the TBS Scaling processing mode corresponding to the first downlink information comprises one of: in a case of the system parameter being less than or equal to a first set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode; in a case of the system parameter being greater than the first set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode: in a case of the system parameter being greater than a second set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode; or, in a case of the system parameter being less than or equal to the second set value, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode;

sending second downlink information, wherein determining the TBS Scaling processing mode corresponding to the first downlink information comprises one of: in a case of a scaling factor when using TBS Scaling corresponding to the second downlink information being less than or equal to a set factor, determining that the TBS Scaling processing mode corresponding to the first downlink information is the first processing mode; or, in a case of a scaling factor when using TBS Scaling corresponding to the second downlink information being greater than the set factor, determining that the TBS Scaling processing mode corresponding to the first downlink information is the second processing mode; or

receiving first uplink information, wherein determining a TBS Scaling processing mode corresponding to first downlink information comprises: determining the TBS Scaling processing mode corresponding to the first downlink information according to a transmission scheme corresponding to the first uplink information.

Assignments (1)

Continuity (1)

References Cited (30)