Abstract
Embodiments of the present invention relate to methods and apparatuses for receiving and sending a reference signal, user equipment, and a base station. A method for receiving a reference signal includes: receiving resource configuration information of a reference signal, where the resource configuration information of the reference signal includes information about an antenna port configuration and a reference signal subframe configuration, the antenna port configuration indicates an antenna port structure, and the reference signal subframe configuration indicates a reference signal subframe for sending the reference signal on one or more antenna port groups; and receiving the reference signal according to the resource configuration information of the reference signal. In the embodiments of the present invention, a communications system can adapt to an antenna array structure and more antenna port quantity configurations, which is used for cell selection or MCS selection and scheduling, thereby improving a system throughput.
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WO2014161183A1 | 5G | 25/12/2017 | ISLD-201711-019 | HUAWEI |
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Claim
1. A method of receiving a reference signal, comprising:
receiving resource configuration information of a reference signal, wherein the resource configuration information of the reference signal comprises information about an antenna port configuration and a reference signal subframe configuration, the antenna port configuration indicates an antenna port structure, the reference signal subframe configuration indicates a reference signal subframe for sending the reference signal on one or more antenna port groups, each of the antenna port groups comprises n antenna ports having continuous indexes, each of the continuous indexes corresponding to one row of the n antenna ports in a horizontal direction, wherein n is an antenna port structure parameter, and each of the n antenna ports is associated with one reference signal; and
receiving the reference signal according to the resource configuration information of the reference signal,
wherein the resource configuration information of the reference signal further comprises information about a reference signal configuration, wherein the reference signal configuration indicates a physical resource used by each of the antenna ports when the reference signal is sent in each reference signal subframe in a reference signal subframe period, and
wherein the reference signal configuration indicates different resource elements used by antenna ports, which have continuous indexes, used for sending the reference signal in different reference signal subframes in the reference signal subframe period.
2. The method according to claim 1, wherein information indicated by the antenna port configuration is a total quantity N of the antenna ports, wherein N is a multiple of n, and n is a predefined positive integer.
3. The method according to claim 1, wherein
information indicated by the antenna port configuration is an antenna port structure parameter m and the antenna port structure parameter n; or
information indicated by the antenna port configuration is joint coding performed on an antenna port structure parameter m and the antenna port structure parameter n.
4. The method according to claim 1, wherein information indicated by the reference signal subframe configuration comprises a subframe period and a subframe offset, wherein the subframe offset indicates one or more subframe positions for sending the reference signal in the subframe period.
5. The method according to claim 1, wherein an interval between the reference signal subframes is an integer multiple of 5, 10, 20, 40, or 80 subframes.
6. A method of sending a reference signal, comprising:
sending resource configuration information of a reference signal to user equipment, wherein the resource configuration information of the reference signal comprises information about an antenna port configuration and a reference signal subframe configuration, the antenna port configuration indicates an antenna port structure, the reference signal subframe configuration indicates a reference signal subframe for sending the reference signal on one or more antenna port groups, each of the antenna port groups comprises n antenna ports having continuous indexes, each of the continuous indexes corresponding to one row of the n antenna ports in a horizontal direction, wherein n is an antenna port structure parameter, and each of the n antenna ports is associated with one reference signal; and
sending the reference signal to the user equipment according to the resource configuration information of the reference signal,
wherein the resource configuration information of the reference signal further comprises information about a reference signal configuration, wherein the reference signal configuration indicates a physical resource used by each of the antenna ports when the reference signal is sent in each reference signal subframe in a reference signal subframe period, and
wherein the reference signal configuration indicates different resource elements used by antenna ports, which have continuous indexes, used for sending the reference signal in different reference signal subframes in the reference signal subframe period.
7. The method according to claim 6, wherein information indicated by the antenna port configuration is a total quantity N of the antenna ports, wherein N is a multiple of n, and n is a predefined positive integer.
8. The method according to claim 6, wherein
information indicated by the antenna port configuration is an antenna port structure parameter m and the antenna port structure parameter n; or
information indicated by the antenna port configuration is joint coding performed on an antenna port structure parameter m and the antenna port structure parameter n.
9. The method according to claim 6, wherein information indicated by the reference signal subframe configuration comprises a subframe period and a subframe offset, wherein the subframe offset indicates one or more subframe positions used by the reference signal in the subframe period.
10. The method according to claim 6, wherein an interval between the reference signal subframes is an integer multiple of 5, 10, 20, 40, or 80 subframes.
11. An apparatus for receiving a reference signal, comprising:
a first receiving unit, configured to receive resource configuration information of a reference signal, wherein the resource configuration information of the reference signal comprises information about an antenna port configuration and a reference signal subframe configuration, the antenna port configuration indicates an antenna port structure, the reference signal subframe configuration indicates a reference signal subframe for sending the reference signal on one or more antenna port groups, each of the antenna port groups comprises n antenna ports having continuous indexes, each of the continuous indexes corresponding to one row of the n antenna ports in a horizontal direction, wherein n is an antenna port structure parameter, and each of the n antenna ports is associated with one reference signal; and
a second receiving unit, configured to receive, according to the resource configuration information of the reference signal that is received by the first receiving unit, the reference signal sent by a base station,
wherein the resource configuration information of the reference signal further comprises information about a reference signal configuration, wherein the reference signal configuration indicates a physical resource used by each of the antenna ports when the reference signal is sent in each reference signal subframe in a reference signal subframe period, and
wherein the reference signal configuration indicates different resource elements used by antenna ports, which have continuous indexes, used for sending the reference signal in different reference signal subframes in the reference signal subframe period.
12. The apparatus according to claim 11, wherein information indicated by the antenna port configuration is a total quantity N of the antenna ports, wherein N is a multiple of n, and n is a predefined positive integer.
13. The apparatus according to claim 11, wherein
information indicated by the antenna port configuration is an antenna port structure parameter m and the antenna port structure parameter n; or
information indicated by the antenna port configuration is joint coding performed on an antenna port structure parameter m and the antenna port structure parameter n.
14. The apparatus according to claim 11, wherein information indicated by the reference signal subframe configuration comprises a subframe period and a subframe offset, wherein the subframe offset indicates one or more subframe positions used by the reference signal in the subframe period.
15. The apparatus according to claim 11, wherein an interval between the reference signal subframes is an integer multiple of 5, 10, 20, 40, or 80 subframes.
16. An apparatus for receiving a reference signal, comprising:
a first receiver configured to receive resource configuration information of a reference signal, wherein the resource configuration information of the reference signal comprises information about an antenna port configuration and a reference signal subframe configuration, the antenna port configuration indicates an antenna port structure, the reference signal subframe configuration indicates a reference signal subframe for sending the reference signal on one or more antenna port groups, each of the antenna port groups comprises n antenna ports having continuous indexes, each of the continuous indexes corresponding to one row of the n antenna ports in a horizontal direction, wherein n is an antenna port structure parameter, and each of the n antenna ports is associated with one reference signal; and
a second receiver configured to receive, according to the resource configuration information of the reference signal that is received by the first receiver, the reference signal sent by a base station.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
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.