Channel state information-reference signal transmission method and device
AssigneeZte Corporation
InventorsYong Li, Zhaohua Lu, Hao Wu, Chuangxin Jiang, Yu Ngok Li, Yijian Chen
Life of this patent
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Abstract
Provided are a channel state information-reference signal (CSI-RS) transmission method and device. The method includes following steps: a first communication node determines CSI-RS indication information; the first communication node transmits the CSI-RS indication information to a second communication node; the first communication node transmits or receives a CSI-RS according to the CSI-RS indication information; the component is used for constituting the CSI-RS resource, and the component is a set of resource elements having relative positional relations.
Claims17
A channel state information reference signal (CSI-RS) transmission method, comprising:
- determining, by a first communication node, CSI-RS indication information;
- transmitting, by the first communication node, the CSI-RS indication information to a second communication node;
- transmitting or receiving, by the first communication node, a CSI-RS according to the CSI-RS indication information;
- wherein the CSI-RS indication information comprises a number of ports for a CSI-RS resource and information of at least one component;
- wherein the ports for the CSI-RS resource are used for transmitting the CSI-RS, and the CSI-RS resource is used for carrying the CSI-RS;
- the component is used for constituting the CSI-RS resource, and the component is a set of resource elements (REs) having relative positional relations;
- wherein the information of the component comprises a component pattern, the component pattern indicates that the ports are multiplexed on the component in a following manner:
- the ports are multiplexed on the component in a code division multiplexing manner, wherein a length of the code division multiplexing is equal to a number of REs comprised on the component.
A channel state information reference signal (CSI-RS) transmission method, comprising:
- receiving, by a second communication node, CSI-RS indication information transmitted by a first communication node;
- and
- transmitting or receiving, by the second communication node, a CSI-RS according to the received CSI-RS indication information,
- wherein the CSI-RS indication information comprises a number of ports for a CSI-RS resource and information of at least one component;
- wherein the ports for the CSI-RS resource are used for transmitting the CSI-RS, and the CSI-RS resource is used for carrying the CSI-RS;
- the component is used for constituting the CSI-RS resource, and the component is a set of resource elements (REs) having relative positional relations;
- wherein the information of the component comprises a component pattern, the component pattern indicates that the ports are multiplexed on the component in a following manner:
- the ports are multiplexed on the component in a code division multiplexing manner, wherein a length of the code division multiplexing is equal to a number of REs comprised on the component.
A channel state information reference signal (CSI-RS) transmission device, configured in a first communication node and comprising:
- a processor;
- and
- a memory for storing instructions executable by the process,
- wherein the processor, when executing the instructions, is configured to:
- determine CSI-RS indication information;
- transmit the CSI-RS indication information to a second communication node;
- and
- transmit or receive a CSI-RS according to the CSI-RS indication information;
- wherein the CSI-RS indication information comprises a number of ports for a CSI-RS resource and information of at least one component;
- where the ports for the CSI-RS resource are used for transmitting the CSI-RS, and the CSI-RS resource is used for carrying the CSI-RS;
- the component is used for constituting the CSI-RS resource, and the component is a set of resource elements (REs) having relative positional relations;
- wherein the information of the component comprises a component pattern, the component pattern indicates that the ports are multiplexed on the component in a following manner:
- the ports are multiplexed on the component in a code division multiplexing manner, wherein a length of the code division multiplexing is equal to a number of REs comprised on the component.
Dependencies are inferred from the claim text.