Mobile communication system, base station device, mobile station device, communication method, and integrated circuit
A mobile communication system, a base station device, a mobile station device, a communication method, and an integrated circuit that each can efficiently transmit HARQ-ACK and/or channel state information are provided. A mobile station device includes means for receiving a first parameter that is used for instructing whether simultaneous transmission of information relating to HARQ-ACK and channel state information is allowed or not; and means for receiving a second parameter that is used for instructing whether simultaneous transmission of the information relating to HARQ-ACK and the channel state information is allowed or not, and controls a transmission method of the information relating to HARQ-ACK and the channel state information based on the first parameter, the second parameter, and whether or not the information relating to HARQ-ACK corresponds to transmission on a single physical downlink shared channel only on a primary cell.
1. A mobile station device that communicates with a base station device by using a plurality of serving cells, wherein the plurality of serving cells includes a primary cell and at least one secondary cell, the mobile station device comprising:
a receiving circuitry configured to:
receive a first parameter that is used for indicating that simultaneous transmission of Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) and channel state information using a first physical uplink control channel format is allowed;
receive a second parameter that is used for indicating that simultaneous transmission of HARQ-ACK and channel state information using a second physical uplink control channel format is allowed; and
a determining circuitry configured to determine,
in a case of collision between the HARQ-ACK and the channel state information in a same sub-frame with a physical uplink control channel, the same sub-frame being a subframe without a physical uplink shared channel,
based on the first parameter, the second parameter and whether or not the HARQ-ACK corresponds to a single physical downlink shared channel transmission only on the primary cell, whether
the channel state information multiplexed with the HARQ-ACK is transmitted using the first physical uplink control channel format,
the channel state information multiplexed with the HARQ-ACK is transmitted using the second physical uplink control channel format, or
the channel state information is dropped.
2. The mobile station device according to claim 1 , wherein
in the case of collision between the HARQ-ACK and the channel state information is the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the first physical uplink control channel format is allowed indicated by using the first parameter and if the HARQ-ACK corresponds to the physical downlink shared channel transmission only on the primary cell,
the channel state information multiplexed with the HARQ-ACK is transmitted using the first physical uplink control channel format.
3. The mobile station device according to claim 1 , wherein
in the case of collision between the HARQ-ACK and the channel state information in the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the first physical uplink control channel format is not allowed indicated by using the first parameter,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the second physical uplink control channel format is allowed indicated by using the second parameter,
and if the HARQ-ACK corresponds to the physical downlink shared channel transmission on the secondary cell,
the channel state information multiplexed with the HARQ-ACK is transmitted using the second physical uplink control channel format.
4. The mobile station device according to claim 1 , wherein
in the case of collision between the HARQ-ACK and the channel state information in the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information is not allowed indicated by using the first parameter,
and if the simultaneous transmission of the HARQ-ACK and the channel state information is not allowed indicated by using the second parameter,
the channel state information is dropped.
5. The mobile station device according to claim 1 , wherein
the HARQ-ACK includes information indicative of a positive acknowledgment (ACK) or a negative acknowledgment (NACK), and
the channel state information includes channel state information that is periodically transmitted.
6. A base station device that communicates with a mobile station device by using a plurality of serving cells, wherein the plurality of serving cells includes a primary cell and at least one secondary cell, the base station device comprising:
a transmitting circuitry configured to:
transmit a first parameter that is used for indicating that simultaneous transmission of Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) and channel state information using a first physical uplink control channel format is allowed;
transmit a second parameter that is used for indicating that simultaneous transmission of HARQ-ACK and channel state information using a second physical uplink control channel format is allowed; and
a determining circuitry configured to determine,
in a case of collision between the HARQ-ACK and the channel state information in a same sub-frame with a physical uplink control channel, the same sub-frame being a subframe without a physical uplink shared channel,
based on the first parameter, the second parameter and whether or not the HARQ-ACK corresponds to a single physical downlink shared channel transmission only on the primary cell, whether
the channel state information multiplexed with the HARQ-ACK is received using the first physical uplink control channel format,
the channel state information multiplexed with the HARQ-ACK is received using the second physical uplink control channel format, or
the channel state information is dropped.
7. The base station device according to claim 6 , wherein
in the case of collision between the HARQ-ACK and the channel state information is the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the first physical uplink control channel format is allowed indicated by using the first parameter and if the HARQ-ACK corresponds to the physical downlink shared channel transmission only on the primary cell,
the channel state information multiplexed with the HARQ-ACK is received using the first physical uplink control channel format.
8. The base station device according to claim 6 , wherein
in the case of collision between the HARQ-ACK and the channel state information in the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the first physical uplink control channel format is not allowed indicated by using the first parameter,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the second physical uplink control channel format is allowed indicated by using the second parameter,
and if the HARQ-ACK corresponds to the physical downlink shared channel transmission on the secondary cell,
the channel state information multiplexed with the HARQ-ACK is received using the second physical uplink control channel format.
9. The base station device according to claim 6 , wherein
in the case of collision between the HARQ-ACK and the channel state information in the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information is not allowed indicated by using the first parameter,
and if the simultaneous transmission of the HARQ-ACK and the channel state information is not allowed indicated by using the second parameter,
the channel state information is dropped.
10. The base station device according to claim 6 , wherein the HARQ-ACK includes information indicative of a positive acknowledgement (ACK) or a negative acknowledgement (NACK), and
the channel station information includes channel station information that is periodically received.
11. A communication method of a mobile station device that communicates with a base station device by using a plurality of serving cells, wherein the plurality of serving cells includes a primary cell and at least one secondary cell, the communication method comprising:
receiving a first parameter that is used for indicating that simultaneous transmission of Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) and channel state information using a first physical uplink control channel format is allowed;
receiving a second parameter that is used for indicating that simultaneous transmission of HARQ-ACK and channel state information using a second physical uplink control channel format is allowed; and
determining,
in a case of collision between the HARQ-ACK and the channel state information in a same sub-frame with a physical uplink control channel, the same sub-frame being a subframe without a physical uplink shared channel,
based on the first parameter, the second parameter and whether or not the HARQ-ACK corresponds to a single physical downlink shared channel transmission only on the primary cell, whether
the channel state information multiplexed with the HARQ-ACK is transmitted using the first physical uplink control channel format,
the channel state information multiplexed with the HARQ-ACK is transmitted using the second physical uplink control channel format, or
the channel state information is dropped.
12. The communication method according to claim 11 , wherein
in the case of collision between the HARQ-ACK and the channel state information is the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the first physical uplink control channel format is allowed indicated by using the first parameter and if the HARQ-ACK corresponds to the physical downlink shared channel transmission only on the primary cell,
the channel state information multiplexed with the HARQ-ACK is transmitted using the first physical uplink control channel format.
13. The communication method according to claim 11 , wherein
in the case of collision between the HARQ-ACK and the channel state information in the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the first physical uplink control channel format is not allowed indicated by using the first parameter,
if the simultaneous transmission of the HARQ-ACK and the channel state information using the second physical uplink control channel format is allowed indicated by using the second parameter,
and if the HARQ-ACK corresponds to the physical downlink shared channel transmission on the secondary cell,
the channel state information multiplexed with the HARQ-ACK is transmitted using the second physical uplink control channel format.
14. The communication method according to claim 11 , wherein
in the case of collision between the HARQ-ACK and the channel state information in the same sub-frame without the physical uplink shared channel,
if the simultaneous transmission of the HARQ-ACK and the channel state information is not allowed indicated by using the first parameter,
and if the simultaneous transmission of the HARQ-ACK and the channel state information is not allowed indicated by using the second parameter,
the channel state information is dropped.