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Interference measuring method, network side device and terminal side device

An interference measurement and network-side technology, applied in electrical components, wireless communications, baseband system components, etc., can solve problems such as unsuitable interference elimination and suppression, long transmission cycle, and inability to measure data interference, etc., to improve the effect of interference measurement Effect

Inactive Publication Date: 2015-01-14
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technology described by this patented allows for better control over radio communication channels during wireless communications due to sending certain measurements from one device (the base station) towards another's devices on that same frequency band at different times or frequencies. This improves overall performance when transmitting signals through these networks compared with traditional methods where only specific parts are measured separately.

Problems solved by technology

This patent describes various technical issues related to improving wireless network access while reducing interference from neighboring devices' transmitters. These challenges include efficient utilizing resources efficiently without sacrificing precision measurements due to limited space availability and increased complexity caused by increasing the size of antenna elements. Additionally, there may also exist other factors like timing advance mismatch which affect how much energy is allocated among certain symbols within one frame period. Overall, these challengings lead to improved reception capabilities and better overall performance of both conventional and new generation networks.

Method used

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  • Interference measuring method, network side device and terminal side device
  • Interference measuring method, network side device and terminal side device
  • Interference measuring method, network side device and terminal side device

Examples

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Embodiment 1

[0255] This embodiment proposes an interference measurement method. The network side sends interference measurement indication information through high-level signaling and / or physical layer dynamic signaling, and the interference measurement indication information instructs the target terminal to measure interference information at the CRS port. Wherein, the CRS port for measuring interference is configured on the network side, or is predefined.

[0256] Such as figure 1 As shown, if the cell ID of cell 1 is 0, the cell ID of cell 2 is 1, UE1 is the target terminal, and the network side of cell 1 and cell 2 both have 4 transmit antennas, the network side and the target terminal default to pre-defined CRS port 2 And CRS port 3 is used to measure interference information. The time-frequency positions of the CRS ports of Cell 1 and Cell 2 are as follows: figure 2 shown. The network side of cell 1 sends interference measurement indication information to the target terminal UE...

Embodiment 2

[0263] This embodiment proposes an interference measurement method. The network side sends interference measurement indication information through high-level signaling and / or physical layer dynamic signaling. The interference measurement indication information indicates that the target terminal performs interference through designated data and / or control channel resources. Measurement.

[0264] The specified data and / or control channel resources are configured by the network side, or are predefined resources, and the network side will send a zero-power signal on the RE corresponding to the resource, and the target terminal receives the signal for interference measurement.

[0265] The data and / or control channel resources used for interference measurement, in the case of the normal cyclic prefix (Normal CP) of the FDD system, the resources include one or more of the following:

[0266] (1) Other resources other than the resources occupied by DMRS and CSI-RS of the penultimate...

Embodiment 3

[0278] This embodiment proposes an interference measurement method. The network side sends interference measurement indication information through high-level signaling and / or physical layer dynamic signaling. The interference measurement indication information indicates that the target terminal performs interference through designated data and / or control channel resources. Measurement.

[0279] The specified data and / or control channel resources are configured by the network side, or are predefined resources, and the network side will send a zero-power signal on the RE corresponding to the resource, and the target terminal receives the signal for interference measurement.

[0280] The data and / or control channel resources used for interference measurement, in the case of the FDD system extended cyclic prefix (Extended CP), the resources include one or more of the following:

[0281] (1) The resource of the third time-domain symbol of the second slot in each subframe, such as ...

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Abstract

The present invention discloses an interference measurement method, network side equipment and terminal side equipment, said method comprising: a network side sending interference measurement indication information to a target terminal, instructing the target terminal to engage in interference measurement, said interference measurement indication information being used to indicate interference measurement parameter configuration information and/or used to indicate information regarding interference source type. the network side equipment of said device is used for sending interference measurement indication information to the target terminal, instructing the target terminal to engage in interference measurement, said interference measurement indication information being used to indicate interference measurement parameter configuration information and/or used to indicate information regarding interference source type.

Description

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Claims

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Application Information

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Owner ZTE CORP
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