Protocol data unit generation method, configuration method, apparatus, and electronic device
A protocol data unit generation method, a configuration method, an apparatus, and an electronic device are disclosed. The protocol data unit generation method is applied to a terminal, and the method includes: generating, by a media access control MAC entity of the terminal, a MAC protocol data unit PDU for a currently scheduled hybrid automatic repeat request HARQ entity according to at least one of the following: first indication information sent by a network-side device, second indication information sent by a physical layer entity to the MAC entity, and a configuration of the terminal; and sending, by the MAC entity, the generated MAC PDU to the physical layer entity.
1 . A protocol data unit generation method, performed by a terminal, wherein the method comprises:
generating, by a media access control (MAC) entity of the terminal, a MAC protocol data unit (PDU) for a currently scheduled hybrid automatic repeat request (HARQ) entity according to a configuration of the terminal; and
sending, by the MAC entity, the generated MAC PDU to the physical layer entity,
wherein the configuration of the terminal is that the MAC entity generates a MAC PDU in a case that none of conditions for uplink transmission skipping is satisfied;
wherein the conditions for uplink transmission skipping comprises all of the following:
the value of the parameter skipUplinkTxDynamic configured by the MAC entity is set to true, and the MAC entity successfully locates a HARQ entity indicated in the uplink grant message;
the uplink grant message does not trigger aperiodic CSI reporting;
a resource allocated by using the uplink grant message does not overlap that of to-be-transmitted uplink control signalling in time domain;
the MAC PDU comprises 0 MAC service data unit (SDU), and
the MAC PDU comprises only a periodic buffer status report (BSR) and there is no data available for any logical channel group, or the MAC PDU comprises only a padding BSR.
2 . The protocol data unit generation method according to claim 1 , wherein the method further comprises:
generating, by the MAC entity of the terminal, the MAC PDU for the currently scheduled HARQ entity according to first indication information; wherein
the first indication information is carried in an uplink grant message sent by the network-side device.
3 . The protocol data unit generation method according to claim 2 , wherein
the first indication information occupies an independent first indication field in the uplink grant message; or
the first indication information and other indication information are jointly encoded to occupy a second indication field in the uplink grant message; or
the first indication information uses a third indication field, used for indicating other information, in the uplink grant message.
4 . The protocol data unit generation method according to claim 3 , wherein if the first indication information occupies the independent first indication field in the uplink grant message,
in a case that a value of the first indication field is a first value, it indicates that the MAC entity always generates a MAC PDU; and/or
in a case that a value of the first indication field is a second value, it indicates that the MAC entity skips generating a MAC PDU when the following conditions are satisfied: a value of a parameter skipUplinkTxDynamic configured by the MAC entity is set to true and the terminal satisfies the conditions for uplink transmission skipping;
or
wherein if the first indication information and other indication information are jointly encoded to occupy the second indication field in the uplink grant message,
in a case that a value of the second indication field is a third value, it indicates that the MAC entity generates a MAC PDU when a channel state information (CSI) request is not set to all zeros;
in a case that the value of the second indication field is a fourth value, it indicates that the MAC entity always generates a MAC PDU; and
in a case that the value of the second indication field is a fifth value, it indicates that the MAC entity skips generating a MAC PDU when a value of a parameter skipUplinkTxDynamic configured by the MAC entity is set to true and the terminal satisfies the conditions for uplink transmission skipping;
or
wherein if the first indication information uses the third indication field in the uplink grant message,
in a case that a value of the third indication field is a sixth value, it indicates that the MAC entity always generates a MAC PDU; and/or
in a case that a value of the third indication field is a seventh value, it indicates that the MAC entity skips generating a MAC PDU when the following conditions are satisfied: skipUplinkTxDynamic is set to true and the terminal satisfies the conditions for uplink transmission skipping.
5 . The protocol data unit generation method according to claim 2 , wherein the uplink grant message is demodulated by the physical layer entity and sent to the MAC entity.
6 . The protocol data unit generation method according to claim 2 , wherein if the MAC entity generates a MAC PDU, in a case that a scheduled PUSCH is configured or indicated by the uplink grant message to implement K repetition transmissions, the MAC entity generates a plurality of repeated MAC PDUs, wherein K is an integer greater than or equal to 1.
7 . A configuration method for protocol data unit generation, performed by a network-side device, wherein the method comprises:
sending first indication information to a terminal, so as to indicate that a media access control (MAC) entity of the terminal generates a MAC protocol data unit (PDU) for a currently scheduled hybrid automatic repeat request (HARQ) entity;
wherein the first indication information is carried in an uplink grant message sent by the network-side device;
the first indication information occupies an independent first indication field in the uplink grant message; or the first indication information and other indication information are jointly encoder to occupy a second indication field in the uplink grant message, or the first indication information uses a third indication field, used for indicating other information, in the uplink grant message;
wherein if the first indication information occupies the independent first indication field in the uplink grant message,
in a case that a value of the first indication field is a first value, it indicates that the MAC entity always generates a MAC PDU; and/or
in a case that a value of the first indication field is a second value, it indicates that the MAC entity skips generating a MAC PDU when the following conditions are satisfied: a value of a parameter skipUplinkTxDynamic configured by the MAC entity is set to true and the terminal satisfies the conditions for uplink transmission skipping;
or
wherein if the first indication information and other indication information are jointly encoded to occupy the second indication field in the uplink grant message,
in a case that a value of the second indication field is a third value, it indicates that the MAC entity generates a MAC PDU when a channel state information (CSI) request is not set to all zeros;
in a case that the value of the second indication field is a fourth value, it indicates that the MAC entity always generates a MAC PDU; and
in a case that the value of the second indication field is a fifth value, it indicates that the MAC entity skips generating a MAC PDU when a value of a parameter skipUplinkTxDynamic configured by the MAC entity is set to true and the terminal satisfies the conditions for uplink transmission skipping;
wherein if the first indication information uses the third indication field in the uplink grant message,
in a case that a value of the third indication field is a sixth value, it indicates that the MAC entity always generates a MAC PDU; and/or
in a case that a value of the third indication field is a seventh value, it indicates that the MAC entity skips generating a MAC PDU when the following conditions are satisfied: skipUplinkTxDynamic is set to true and the terminal satisfies the conditions for uplink transmission skipping;
wherein the conditions for uplink transmission skipping comprises all of the following:
the value of the parameter skipUplinkTxDynamic configured by the MAC entity is set to true, and the MAC entity successfully locates a HARQ entity indicated in the uplink grant message;
the uplink grant message does not trigger aperiodic CSI reporting;
a resource allocated by using the uplink grant message does not overlap that of to-be-transmitted uplink control signaling in time domain;
the MAC PDU comprises 0 MAC service data unit (SDU), and
the MAC PDU comprises only a periodic buffer status report (BSR) and there is no data available for any logical channel group, or the MAC PDU comprises only a padding BSR.
8 . An electronic device, comprising a processor, a memory, and an instruction stored in the memory and capable of running on the processor, wherein when the instruction is executed by the processor, steps of the method according to claim 7 are implemented.
9 . An electronic device, comprising a processor, a memory, and an instruction stored in the memory and capable of running on the processor, wherein when the instruction is executed by the processor, steps of a protocol data unit generation method are implemented, wherein the steps comprises:
generating, by a media access control (MAC) entity of the terminal, a MAC protocol data unit (PDU) for a currently scheduled hybrid automatic repeat request (HARQ) entity according to a configuration of the terminal; and
sending, by the MAC entity, the generated MAC PDU to the physical layer entity,
wherein the configuration of the terminal is that the MAC entity generates a MAC PDU in a case that none of conditions for uplink transmission skipping is satisfied;
wherein the conditions for uplink transmission skipping comprises all of the following:
the value of the parameter skipUplinkTxDynamic configured by the MAC entity is set to true, and the MAC entity successfully locates a HARQ entity indicated in the uplink grant message;
the uplink grant message does not trigger aperiodic CSI reporting;
a resource allocated by using the uplink grant message does not overlap that of to-be-transmitted uplink control signaling in time domain;
the MAC PDU comprises 0 MAC service data unit (SDU); and
the MAC PDU comprises only a periodic buffer status report (BSR) and there is no data available for any logical channel group, or the MAC PDU comprises only a padding BSR.
10 . The electronic device according to claim 9 , wherein the steps further comprise:
generating, by the MAC entity of the terminal, the MAC PDU for the currently scheduled HARQ entity according to the configuration of the terminal and first indication information; wherein
the first indication information occupies an independent first indication field in an uplink grant message; or
the first indication information and other indication information are jointly encoded to occupy a second indication field in the uplink grant message; or
the first indication information uses a third indication field, used for indicating other information, in the uplink grant message.
11 . The electronic device according to claim 10 , wherein if the first indication information occupies the independent first indication field in the uplink grant message,
in a case that a value of the first indication field is a first value, it indicates that the MAC entity always generates a MAC PDU; and/or
in a case that a value of the first indication field is a second value, it indicates that the MAC entity skips generating a MAC PDU when the following conditions are satisfied: a value of a parameter skipUplinkTxDynamic configured by the MAC entity is set to true and the terminal satisfies the conditions for uplink transmission skipping;
or
wherein if the first indication information and other indication information are jointly encoded to occupy the second indication field in the uplink grant message,
in a case that a value of the second indication field is a third value, it indicates that the MAC entity generates a MAC PDU when a channel state information (CSI) request is not set to all zeros;
in a case that the value of the second indication field is a fourth value, it indicates that the MAC entity always generates a MAC PDU; and
in a case that the value of the second indication field is a fifth value, it indicates that the MAC entity skips generating a MAC PDU when a value of a parameter skipUplinkTxDynamic configured by the MAC entity is set to true and the terminal satisfies the conditions for uplink transmission skipping;
or
wherein if the first indication information uses the third indication field in the uplink grant message,
in a case that a value of the third indication field is a sixth value, it indicates that the MAC entity always generates a MAC PDU; and/or
in a case that a value of the third indication field is a seventh value, it indicates that the MAC entity skips generating a MAC PDU when the following conditions are satisfied: skipUplinkTxDynamic is set to true and the terminal satisfies the conditions for uplink transmission skipping.
12 . The electronic device according to claim 9 , wherein the first indication information is carried in an uplink grant message sent by the network-side device.
13 . The electronic device according to claim 12 , wherein the uplink grant message is demodulated by the physical layer entity and sent to the MAC entity.
14 . The electronic device according to claim 12 , wherein if the MAC entity generates a MAC PDU, in a case that a scheduled PUSCH is configured or indicated by the uplink grant message to implement K repetition transmissions, the MAC entity generates a plurality of repeated MAC PDUs, wherein K is an integer greater than or equal to 1.