Abstract
The present invention discloses a control information transmission method a user equipment and a base station. The method includes: obtaining a data channel transmission mode configured by a base station; determining a downlink control information DCI format set corresponding to the transmission mode where the DCI format set includes a first DCI format and the first DCI format includes single-codeword control information; and detecting according to the DCI format set control signaling sent by the base station and corresponding to the DCI format set. The user equipment includes a first obtaining module a first determining module and a detecting module. The base station includes a configuring module a first determining module and a first sending module.
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Specification Information
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CN103024807A | 5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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CN103024807B | 5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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US2014211710A1 | 5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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WO2013040969A1 | 5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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Technologies
Product
User Equipment (UE/Terminal)
Use Cases
Services
Claim
1. A control information transmission method, comprising:
obtaining a data channel transmission mode configured by a base station;
determining a downlink control information (DCI) format set corresponding to the transmission mode, wherein the DCI format set comprises a first DCI format, and the first DCI format comprises single-codeword control information;
detecting, according to the DCI format set, control signaling sent by the base station and corresponding to the DCI format set;
when the control signaling corresponding to the first DCI format is detected, receiving or sending, according to antenna configuration information comprised in the first DCI format, the data channel scheduled in the first DCI format, wherein the data channel scheduled in the first DCI format uses a closed loop MIMO transmission manner, and the antenna configuration information comprises at least one of codeword information, antenna port information, reference signal scrambling code identifier information, precoding matrix identifier information, and information about the number of space layers;
determining, according to the control signaling corresponding to the first DCI format, that data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword; and
determining, according to the antenna configuration information, that the number of layers occupied by the retransmitted codeword is greater than or equal to two layers, or that the number of layers occupied by the retransmitted codeword is equal to the number of layers occupied by an initially transmitted codeword corresponding to the retransmitted codeword,
wherein the DCI format set further comprises a second DCI format, the second DCI format comprises dual-codeword control information, and a data channel scheduled based on the first DCI format and the second DCI format uses a closed loop MIMO transmission manner that is precoded based on channel information and comprised of one or more layers.
2. The method according to claim 1, wherein the codeword information comprises a codeword identifier, and the codeword identifier denotes a codeword number of data transmitted over the data channel scheduled in the first DCI format.
3. A control information transmission method, comprising:
configuring a data channel transmission mode;
determining a downlink control information (DCI) format set corresponding to the transmission mode, wherein the DCI format set comprises a first DCI format, and the first DCI format comprises single-codeword control information;
sending, according to the DCI format set, control signaling corresponding to the DCI format set to a user equipment;
when the control signaling corresponding to the first DCI format is sent to the user equipment, receiving or sending, according to antenna configuration information comprised in the first DCI format, the data channel scheduled in the first DCI format, wherein the data channel scheduled in the first DCI format uses a closed loop MIMO transmission manner, and the antenna configuration information comprises at least one of codeword information, antenna port information, reference signal scrambling code identifier information, precoding matrix identifier information, and information about the number of space layers;
determining that data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword; and
determining, according to the antenna configuration information, that the number of layers occupied by the retransmitted codeword is greater than or equal to two layers, or that the number of layers occupied by the retransmitted codeword is equal to the number of layers occupied by an initially transmitted codeword corresponding to the retransmitted codeword,
wherein the DCI format set further comprises a second DCI format, the second DCI format comprises dual-codeword control information, and a data channel scheduled based on the first DCI format and the second DCI format uses a closed loop MIMO transmission manner that is precoded based on channel information and comprised of one or more layers.
4. A user equipment, comprising:
a first obtaining module, adapted to obtain a data channel transmission mode configured by a base station;
a first determining module, adapted to determine a downlink control information (DCI) format set corresponding to the transmission mode obtained by the first obtaining module, wherein the DCI format set comprises a first DCI format, and the first DCI format comprises single-codeword control information;
a detecting module, adapted to detect, according to the DCI format set determined by the first determining module, control signaling sent by the base station and corresponding to the DCI format set;
a transmitting module, adapted to: when the detecting module detects the control signaling corresponding to the first DCI format, receive or send, according to antenna configuration information comprised in the first DCI format, the data channel scheduled in the first DCI format, wherein the data channel scheduled in the first DCI format uses a closed loop MIMO transmission manner, and the antenna configuration information comprises at least one of codeword information, antenna port information, reference signal scrambling code identifier information, precoding matrix identifier information, and information about the number of space layers;
a second determining module, adapted to determine, according to the control signaling corresponding to the first DCI format determined by the first determining module, that data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword; and
a third determining module, adapted to: if the second determining module determines that the data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword, determine, according to the antenna configuration information, that the number of layers occupied by the retransmitted codeword is greater than or equal to two layers, or that the number of layers occupied by the retransmitted codeword is equal to the number of layers occupied by an initially transmitted codeword corresponding to the retransmitted codeword,
wherein the DCI format set determined by the first determining module further comprises a second DCI format, the second DCI format comprises dual-codeword control information, and a data channel scheduled based on the first DCI format and the second DCI format uses a closed loop MIMO transmission manner that is precoded based on channel information and comprised of one or more layers.
5. The user equipment according to claim 4, wherein the codeword information comprises a codeword identifier, and the codeword identifier denotes a codeword number of data transmitted over the data channel scheduled in the first DCI format.
6. A base station, comprising:
a configuring module, adapted to configure a data channel transmission mode;
a first determining module, adapted to determine a downlink control information (DCI) format set corresponding to the transmission mode configured by the configuring module, wherein the DCI format set comprises a first DCI format, and the first DCI format comprises single-codeword control information; and
a first sending module, adapted to send, according to the DCI format set determined by the first determining module, control signaling corresponding to the DCI format set to a user equipment;
a transmitting module, adapted to: when the control signaling corresponding to the first DCI format determined by the first determining module is sent to the user equipment, receive or send, according to antenna configuration information comprised in the first DCI format, the data channel scheduled in the first DCI format, wherein the data channel scheduled in the first DCI format uses a closed loop MIMO transmission manner, and the antenna configuration information comprises at least one of codeword information, antenna port information, reference signal scrambling code identifier information, precoding matrix identifier information, and information about the number of space layers;
a second determining module, adapted to determine that data transmitted over the data channel scheduled in the first DCI format determined by the first determining module is a retransmitted codeword; and
a third determining module, adapted to: if the second determining module determines that the data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword, determine, according to the antenna configuration information, that the number of layers occupied by the retransmitted codeword is greater than or equal to two layers, or that the number of layers occupied by the retransmitted codeword is equal to the number of layers occupied by an initially transmitted codeword corresponding to the retransmitted codeword,
wherein the DCI format set determined by the first determining module further comprises a second DCI format, the second DCI format comprises dual-codeword control information, and a data channel scheduled based on the first DCI format and the second DCI format uses a closed loop MIMO transmission manner that is precoded based on channel information and comprised of one or more layers.
7. A control information transmission method, comprising:
obtaining a data channel transmission mode configured by a base station;
determining a downlink control information (DCI) format set corresponding to the transmission mode, wherein the DCI format set comprises a first DCI format, and the first DCI format comprises single-codeword control information;
detecting, according to the DCI format set, control signaling sent by the base station and corresponding to the DCI format set;
when the control signaling corresponding to the first DCI format is detected, receiving or sending, according to antenna configuration information comprised in the first DCI format, the data channel scheduled in the first DCI format, wherein the data channel scheduled in the first DCI format uses a closed loop MIMO transmission manner, and the antenna configuration information comprises at least one of codeword information, antenna port information, reference signal scrambling code identifier information, precoding matrix identifier information, and information about the number of space layers;
determining, according to the control signaling corresponding to the first DCI format, that data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword; and
determining, according to the antenna configuration information, that the retransmitted codeword uses a preconfigured antenna port, or that the retransmitted codeword uses a same antenna port as that of the initially transmitted codeword corresponding to the retransmitted codeword,
wherein the DCI format set further comprises a second DCI format, the second DCI format comprises dual-codeword control information, and a data channel scheduled based on the first DCI format and the second DCI format uses a closed loop MIMO transmission manner that is precoded based on channel information and comprised of one or more layers.
8. A control information transmission method, comprising:
obtaining a data channel transmission mode configured by a base station;
determining a downlink control information (DCI) format set corresponding to the transmission mode, wherein the DCI format set comprises a first DCI format, and the first DCI format comprises single-codeword control information;
detecting, according to the DCI format set, control signaling sent by the base station and corresponding to the DCI format set;
when the control signaling corresponding to the first DCI format is detected, receiving or sending, according to antenna configuration information comprised in the first DCI format, the data channel scheduled in the first DCI format, wherein the data channel scheduled in the first DCI format uses a closed loop MIMO transmission manner, and the antenna configuration information comprises at least one of codeword information, antenna port information, reference signal scrambling code identifier information, precoding matrix identifier information, and information about the number of space layers;
determining, according to the control signaling corresponding to the first DCI format, that data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword; and
determining, according to the antenna configuration information, that the retransmitted codeword uses a preconfigured precoding matrix identifier,
wherein the DCI format set further comprises a second DCI format, the second DCI format comprises dual-codeword control information, and a data channel scheduled based on the first DCI format and the second DCI format uses a closed loop MIMO transmission manner that is precoded based on channel information and comprised of one or more layers.
9. A user equipment, comprising:
a first obtaining module, adapted to obtain a data channel transmission mode configured by a base station;
a first determining module, adapted to determine a downlink control information (DCI) format set corresponding to the transmission mode obtained by the first obtaining module, wherein the DCI format set comprises a first DCI format, and the first DCI format comprises single-codeword control information;
a detecting module, adapted to detect, according to the DCI format set determined by the first determining module, control signaling sent by the base station and corresponding to the DCI format set;
a transmitting module, adapted to: when the detecting module detects the control signaling corresponding to the first DCI format, receive or send, according to antenna configuration information comprised in the first DCI format, the data channel scheduled in the first DCI format, wherein the data channel scheduled in the first DCI format uses a closed loop MIMO transmission manner, and the antenna configuration information comprises at least one of codeword information, antenna port information, reference signal scrambling code identifier information, precoding matrix identifier information, and information about the number of space layers;
a second determining module, adapted to determine, according to the control signaling corresponding to the first DCI format determined by the first determining module, that data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword; and
a fourth determining module, adapted to: if the second determining module determines that the data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword, determine, according to the antenna configuration information, that the retransmitted codeword uses a preconfigured antenna port, or that the retransmitted codeword uses a same antenna port as that of the initially transmitted codeword corresponding to the retransmitted codeword,
wherein the DCI format set determined by the first determining module further comprises a second DCI format, the second DCI format comprises dual-codeword control information, and a data channel scheduled based on the first DCI format and the second DCI format uses a closed loop MIMO transmission manner that is precoded based on channel information and comprised of one or more layers.
10. A user equipment, comprising:
a first obtaining module, adapted to obtain a data channel transmission mode configured by a base station;
a first determining module, adapted to determine a downlink control information (DCI) format set corresponding to the transmission mode obtained by the first obtaining module, wherein the DCI format set comprises a first DCI format, and the first DCI format comprises single-codeword control information;
a detecting module, adapted to detect, according to the DCI format set determined by the first determining module, control signaling sent by the base station and corresponding to the DCI format set;
a transmitting module, adapted to: when the detecting module detects the control signaling corresponding to the first DCI format, receive or send, according to antenna configuration information comprised in the first DCI format, the data channel scheduled in the first DCI format, wherein the data channel scheduled in the first DCI format uses a closed loop MIMO transmission manner, and the antenna configuration information comprises at least one of codeword information, antenna port information, reference signal scrambling code identifier information, precoding matrix identifier information, and information about the number of space layers;
a second determining module, adapted to determine, according to the control signaling corresponding to the first DCI format determined by the first determining module, that data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword; and
a fifth determining module, adapted to: if the second determining module determines that the data transmitted over the data channel scheduled in the first DCI format is a retransmitted codeword, determine, according to the antenna configuration information, that the retransmitted codeword uses a preconfigured precoding matrix identifier,
wherein the DCI format set determined by the first determining module further comprises a second DCI format, the second DCI format comprises dual-codeword control information, and a data channel scheduled based on the first DCI format and the second DCI format uses a closed loop MIMO transmission manner that is precoded based on channel information and comprised of one or more layers.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.