Terminal apparatus, base station apparatus, communication method, and integrated circuit
A terminal apparatus includes a transmitter configured to transmit capability information to the base station apparatus, a receiver configured to receive a radio resource control (RRC) reconfiguration message from the base station apparatus, and a controller configured to configure a parameter, based on a parameter included in the radio resource control reconfiguration message, wherein the capability information includes information on the maximum number of MAC entities supported by the terminal apparatus.
1. A terminal apparatus for communicating with a base station apparatus, the terminal apparatus comprising:
a receiver configured to receive a radio resource control (RRC) message from the base station apparatus, wherein:
the RRC message comprises configuration information,
the configuration information is associated with a first cell group or a second cell group and comprises a plurality of parameters, and
the parameters comprise one or more data radio bearer (DRB) identities and subcarrier spacing information corresponding to one or more DRBs; and
a processor configured to execute a program to:
configure the terminal apparatus for the first cell group in response to that the configuration information is associated with the first cell group;
configure the terminal apparatus for the second cell group in response to that the configuration information is associated with the second cell group; and
configure a first DRB in the first or second cell group based on a first of the one or more DRB identities and one of the subcarrier spacing information corresponding to the first DRB.
2. The terminal apparatus according to claim 1 , wherein the processor is further configured to execute the program to configure a second DRB in the first or second cell group based on a second of the one or more DRB identities and one of the subcarrier spacing information corresponding to the second DRB.
3. The terminal apparatus according to claim 2 , wherein:
the one of the subcarrier spacing information corresponding to the first DRB indicates that one or more first subcarrier spacing is allowed; and
the one of the subcarrier spacing information corresponding to the second DRB indicates that one or more second subcarrier spacing is allowed.
4. A base station apparatus for communicating with a terminal apparatus, the base station apparatus comprising:
a transmitter configured to transmit a radio resource control (RRC) message to the terminal apparatus; and
a processor configured to execute a program to generate the RRC message,
wherein:
the RRC message comprises configuration information;
the configuration information is associated with a first cell group or a second cell group and comprises a plurality of parameters;
the parameters comprise one or more data radio bearer (DRB) identities and subcarrier spacing information corresponding to one or more DRBs;
the terminal apparatus is configured for the first cell group in response to that the configuration information is associated with the first cell group;
the terminal apparatus is configured for the second cell group in response to that the configuration information is associated with the second cell group; and
a first DRB is configured for the terminal apparatus in the first or second cell group based on a first of the one or more DRB identities and one of the subcarrier spacing information corresponding to the first DRB.
5. The base station apparatus according to claim 4 , wherein a second DRB is configured for the terminal apparatus in the first or second cell group based on a second of the one or more DRB identities and one of the subcarrier spacing information corresponding to the second DRB.
6. The base station apparatus according to claim 5 , wherein:
the one of the subcarrier spacing information corresponding to the first DRB indicates that one or more first subcarrier spacing is allowed; and
the one of the subcarrier spacing information corresponding to the second DRB indicates that one or more second subcarrier spacing is allowed.
7. A communication method applied to a terminal apparatus for communicating with a base station apparatus, the communication method comprising:
receiving a radio resource control (RRC) message from the base station apparatus, wherein:
the RRC message comprises configuration information,
the configuration information is associated with a first cell group or a second cell group and comprises a plurality of parameters, and
the parameters comprise one or more data radio bearer (DRB) identities and subcarrier spacing information corresponding to one or more DRBs;
configuring the terminal apparatus for the first cell group in response to that the configuration information is associated with the first cell group;
configuring the terminal apparatus for the second cell group in response to that the configuration information is associated with the second cell group; and
configuring a first DRB in the first or second cell group based on a first of the one or more DRB identities and one of the subcarrier spacing information corresponding to the first DRB.
8. The communication method according to claim 7 , wherein the communication method further comprises configuring a second DRB in the first or second cell group based on a second of the one or more DRB identities and one of the subcarrier spacing information corresponding to the second DRB.
9. The communication method according to claim 8 , wherein:
the one of the subcarrier spacing information corresponding to the first DRB indicates that one or more first subcarrier spacing is allowed; and
the one of the subcarrier spacing information corresponding to the second DRB indicates that one or more second subcarrier spacing is allowed.
10. An integrated circuit for a terminal apparatus for communicating with a base station apparatus, the integrated circuit causing the terminal apparatus to:
receive a radio resource control (RRC) message from the base station apparatus, wherein:
the RRC message comprises configuration information,
the configuration information is associated with a first cell group or a second cell group and comprises a plurality of parameters, and
the parameters comprise one or more data radio bearer (DRB) identities and subcarrier spacing information corresponding to one or more DRBs;
configure the terminal apparatus for the first cell group in response to that the configuration information is associated with the first cell group;
configure the terminal apparatus for the second cell group in response to that the configuration information is associated with the second cell group; and
configure a first DRB in the first or second cell group based on a first of the one or more DRB identities and one of the subcarrier spacing information corresponding to the first DRB.
11. The integrated circuit according to claim 10 , wherein the integrated circuit further causes the terminal apparatus to configure a second DRB in the first or second cell group based on a second of the one or more DRB identities and one of the subcarrier spacing information corresponding to the second DRB.
12. The integrated circuit according to claim 11 , wherein:
the one of the subcarrier spacing information corresponding to the first DRB indicates that one or more first subcarrier spacing is allowed; and
the one of the subcarrier spacing information corresponding to the second DRB indicates that one or more second subcarrier spacing is allowed.
13. A communication method applied to a base station apparatus for communicating with a terminal apparatus, the communication method comprising:
transmitting a radio resource control (RRC) message to the terminal apparatus; and
generating the RRC message,
wherein:
the RRC message comprises configuration information;
the configuration information is associated with a first cell group or a second cell group and comprises a plurality of parameters;
the parameters comprise one or more data radio bearer (DRB) identities and subcarrier spacing information corresponding to one or more DRBs;
the terminal apparatus is configured for the first cell group in response to that the configuration information is associated with the first cell group;
the terminal apparatus is configured for the second cell group in response to that the configuration information is associated with the second cell group; and
a first DRB is configured for the terminal apparatus in the first or second cell group based on a first of the one or more DRB identities and one of the subcarrier spacing information corresponding to the first DRB.
14. The communication method according to claim 13 , wherein the communication method further comprises configuring a second DRB in the first or second cell group based on a second of the one or more DRB identities and one of the subcarrier spacing information corresponding to the second DRB.
15. The communication method according to claim 14 , wherein:
the one of the subcarrier spacing information corresponding to the first DRB indicates that one or more first subcarrier spacing is allowed; and
the one of the subcarrier spacing information corresponding to the second DRB indicates that one or more second subcarrier spacing is allowed.
16. An integrated circuit for a base station apparatus for communicating with a terminal apparatus, the integrated circuit causing the base station apparatus to:
transmit a radio resource control (RRC) message to the terminal apparatus; and
generate the RRC message,
wherein:
the RRC message comprises configuration information;
the configuration information is associated with a first cell group or a second cell group and comprises a plurality of parameters;
the parameters comprise one or more data radio bearer (DRB) identities and subcarrier spacing information corresponding to one or more DRBs;
the terminal apparatus is configured for the first cell group in response to that the configuration information is associated with the first cell group;
the terminal apparatus is configured for the second cell group in response to that the configuration information is associated with the second cell group; and
a first DRB is configured for the terminal apparatus in the first or second cell group based on a first of the one or more DRB identities and one of the subcarrier spacing information corresponding to the first DRB.
17. The integrated circuit according to claim 16 , wherein a second DRB is configured for the terminal apparatus in the first or second cell group based on a second of the one or more DRB identities and one of the subcarrier spacing information corresponding to the second DRB.
18. The integrated circuit according to claim 17 , wherein:
the one of the subcarrier spacing information corresponding to the first DRB indicates that one or more first subcarrier spacing is allowed; and
the one of the subcarrier spacing information corresponding to the second DRB indicates that one or more second subcarrier spacing is allowed.