Reference signal transmission method and apparatus
First Claim
1. A method, comprising:
- receiving reference signal resource configuration information sent by a base station, wherein the reference signal resource configuration information comprises antenna port quantity information and a resource configuration index;
determining a reference signal configuration from a reference signal configuration set according to the antenna port quantity information and the resource configuration index, wherein the reference signal configuration is used to indicates position information of resource elements (RE) that are used to send reference signals on antenna ports in an antenna port set, the reference signal configuration set comprises the reference signal configuration, and an antenna port set corresponding to the reference signal configuration comprises a plurality of antenna port subsets, wherein an RE that is used to send a reference signal on an antenna port in a first antenna port subset is located in a first resource block (RB) pair, an RE that is used to send a reference signal on an antenna port in a second antenna port subset is located in a second RB pair, and the first RB pair is different from the second RB pair;
obtaining, according to the determined reference signal configuration, positions of the REs that are used to send a reference signal on the antenna ports in the antenna port set; and
receiving the reference signal according to the positions of the REs.
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Accused Products
Abstract
Embodiments disclose a reference signal transmission method and an apparatus. The method includes receiving reference signal resource configuration information sent by a base station, where the reference signal resource configuration information includes antenna port quantity information and a resource configuration index. The method also includes determining a reference signal configuration from a reference signal configuration set according to the antenna port quantity information and the resource configuration index. The method also includes obtaining, according to the determined reference signal configuration, positions of the resource elements REs that are used to send the reference signal on the antenna ports in the antenna port set, and receiving reference signals according to the positions of the REs.
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Citations
20 Claims
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1. A method, comprising:
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receiving reference signal resource configuration information sent by a base station, wherein the reference signal resource configuration information comprises antenna port quantity information and a resource configuration index; determining a reference signal configuration from a reference signal configuration set according to the antenna port quantity information and the resource configuration index, wherein the reference signal configuration is used to indicates position information of resource elements (RE) that are used to send reference signals on antenna ports in an antenna port set, the reference signal configuration set comprises the reference signal configuration, and an antenna port set corresponding to the reference signal configuration comprises a plurality of antenna port subsets, wherein an RE that is used to send a reference signal on an antenna port in a first antenna port subset is located in a first resource block (RB) pair, an RE that is used to send a reference signal on an antenna port in a second antenna port subset is located in a second RB pair, and the first RB pair is different from the second RB pair; obtaining, according to the determined reference signal configuration, positions of the REs that are used to send a reference signal on the antenna ports in the antenna port set; and receiving the reference signal according to the positions of the REs. - View Dependent Claims (2, 3, 4, 5)
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6. A method, comprising:
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sending reference signal resource configuration information to a user apparatus, wherein the reference signal resource configuration information comprises antenna port quantity information and a resource configuration index, and the antenna port quantity information and the resource configuration index are used to indicate a reference signal configuration in a reference signal configuration set, wherein the reference signal configuration is used to indicate position information of resource elements (REs) that are used to send reference signals on antenna ports in an antenna port set, the reference signal configuration set comprises at least one first reference signal configuration, and an antenna port set corresponding to the first reference signal configuration comprises two antenna port subsets, wherein an RE that is used to send a reference signal on an antenna port in a first antenna port subset is located in a first resource block (RB) pair, an RE that is used to send a reference signal on an antenna port in a second antenna port subset is located in a second RB pair, and the first RB pair is different from the second RB pair; determining, according to the reference signal configuration indicated by the reference signal resource configuration information, positions of the resource elements (REs) that are used to send a reference signal on the antenna ports in the antenna port set corresponding to the reference signal configuration; and sending the reference signal to the user apparatus at the positions. - View Dependent Claims (7, 8, 9, 10)
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11. A user apparatus, comprising:
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a receiver, configured to receive reference signal resource configuration information sent by a base station, wherein the reference signal resource configuration information comprises antenna port quantity information and a resource configuration index; and a processor, configured to; determine a reference signal configuration from a reference signal configuration set according to the antenna port quantity information and the resource configuration index received by the receiver, wherein the reference signal configuration is used to indicate position information of resource elements (REs) that are used to send reference signals on antenna ports in an antenna port set, the reference signal configuration set comprises a first reference signal configuration, and an antenna port set corresponding to the first reference signal configuration comprises two antenna port subsets, wherein an RE that is used to send a reference signal on an antenna port in a first antenna port subset is located in a first resource block (RB) pair, an RE that is used to send a reference signal on an antenna port in a second antenna port subset is located in a second RB pair, and the first RB pair is different from the second RB pair; and obtain, according to the determined reference signal configuration, positions of the resource elements (REs) that are used to send a reference signal on the antenna ports in the antenna port set; wherein the receiver is further configured to receive the reference signal according to the positions of the REs obtained by the processor. - View Dependent Claims (12, 13, 14, 15)
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16. A base station, comprising:
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a transmitter, configured to send reference signal resource configuration information to user apparatus, wherein the reference signal resource configuration information comprises antenna port quantity information and a resource configuration index, and the antenna port quantity information and the resource configuration index are used to indicate a reference signal configuration in a reference signal configuration set, wherein the reference signal configuration is used to indicate position information of resource elements (REs) that are used to send reference signals on antenna ports in an antenna port set, the reference signal configuration set comprises a first reference signal configuration, and an antenna port set corresponding to the first reference signal configuration comprises two antenna port subsets, wherein a resource element (RE) that is used to send a reference signal on an antenna port in a first antenna port subset is located in a first resource block RB pair, an RE that is used to send a reference signal on an antenna port in a second antenna port subset is located in a second RB pair, and the first RB pair is different from the second RB pair; and a processor, configured to determine, according to the reference signal configuration indicated by the reference signal resource configuration information sent by the transmitter, positions of the resource elements (REs) that are used to send a reference signal on the antenna ports in the antenna port set corresponding to the reference signal configuration; wherein the transmitter is further configured to send the reference signal to the user apparatus at the positions determined by the processor. - View Dependent Claims (17, 18, 19, 20)
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Specification