Measurement reporting method, measurement reporting equipment and network side equipment

A technology for network-side equipment and measurement reporting, which is applied in the communication field and can solve problems such as huge feedback overhead, large feedback overhead, and inability to control the reporting of positioning measurement values, so as to avoid large feedback overhead and reduce reporting overhead.

Pending Publication Date: 2021-11-26
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the prior art, the network side cannot control the reporting of positioning measurement values, and the terminal may report all positioning measurement values ​​and all multipath measurement values
However, for positioning measurement values ​​or multipath measurement values ​​with poor measurement quality, on the one hand, it will cause huge feedback overhead, and at the same time, these values ​​will not be used by the network side for position calculation, resulting in waste
When multiple paths are reported at the same time, the measured value of each path needs to report the corresponding measurement quality indicator. If the same measurement quality indicator is used for all paths, it will cause a large feedback overhead.

Method used

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  • Measurement reporting method, measurement reporting equipment and network side equipment
  • Measurement reporting method, measurement reporting equipment and network side equipment
  • Measurement reporting method, measurement reporting equipment and network side equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0132] For the downlink TDOA positioning mode, each TRP is configured with M=8 downlink positioning reference signal (PRS) resources, and each PRS resource is shaped differently and points to different directions. The network side (which may be a positioning server or a base station) configures the terminal to report the RSTD measurement values ​​of P=3 TRPs (represented as TRP0, TRP1 and TRP2), and indicates the configuration information of the PRS resource of the transceiver point to the terminal, and at the same time indicates TRP0 is a reference TRP, and PRS resource 1 is a reference resource. According to system pre-definition or configuration information on the network side, the measurement quality indication includes N=2 types of accuracy. The first accuracy is the measurement quality indicator defined by the standard, that is, the reported error value and error resolution, which is used for the measurement quality of the main path; and for other multipaths, the measure...

no. 2 example

[0135] For the uplink TDOA positioning mode, the terminal is configured to transmit M=8 SRS resources, and each SRS resource is shaped differently and points to different directions. The positioning server configures P=3 gNBs (denoted as gNB0, gNB1 and gNB2) to report RTOA and multipath measurement values. According to system pre-definition or configuration information on the network side, the measurement quality indication includes N=2 types of accuracy. The first accuracy is the measurement quality indicator defined by the standard, that is, the reported error value and error resolution, which are used for the measurement quality of the main path and the first multipath; for other multipaths, the second accuracy is used measurement quality indicator. The measurement quality indication of the second precision may be that T=2 measurement quality levels are predefined in the protocol, which are respectively the first level and the second level, and 1 bit is used to indicate a ...

no. 3 example

[0138] For the uplink TDOA positioning mode, the terminal is configured to transmit M=8 SRS resources, and each SRS resource is shaped differently and points to different directions. The positioning server configures P=3 gNBs (denoted as gNB0, gNB1 and gNB2) to report the RTOA positioning measurement value. At the same time, the positioning server configures the measurement quality parameter value as the error value of the measurement quality, and configures the value to be 1 meter, which means that only the RTOA measurement value with a measurement error within 1 meter is reported.

[0139] For gNB0, determine an optimal SRS resource among M=8 SRS resources, use its first path as the RTOA of gNB0, and determine the measurement quality of this RTOA. If the measurement quality corresponding to this RTOA is less than 1 meter, gNB0 reports the measurement value of this RTOA, otherwise discards this measurement value. Similar reporting methods are adopted for gNB1 and gNB2, and d...

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Abstract

The embodiment of the invention provides a measurement reporting method, measurement reporting equipment and network side equipment. The method comprises the following steps: receiving a measurement reporting request message sent by the network side equipment; and reporting positioning measurement related information based on the measurement reporting request message, wherein the positioning measurement related information comprises any one of the following items: a positioning measurement value, a corresponding multipath measurement value, first measurement quality of the positioning measurement value and second measurement quality of the multipath measurement value, and the first measurement quality and the second measurement quality are indicated through measurement quality indication information with different measurement precision; a target positioning measurement value meeting a preset measurement quality condition and/or a target multipath measurement value corresponding to the target positioning measurement value; the target positioning measurement value meeting the preset measurement quality condition and/or the target multipath measurement value corresponding to the target positioning measurement value, the third measurement quality of the target positioning measurement value and/or the fourth measurement quality of the target multipath measurement value. According to the invention, indication overhead is reduced.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a measurement reporting method, measurement reporting equipment and network side equipment. Background technique [0002] In 5G New Radio (NR), corresponding positioning measurement values ​​are defined for different positioning technologies. For downlink positioning technology, the terminal measures the downlink positioning reference signal (positioning reference signal, PRS) to obtain the positioning measurement value and report it. In the uplink positioning technology, the base station measures an uplink channel sounding reference signal (Sounding Reference Signal, SRS) to obtain a positioning measurement value and reports it. [0003] In addition, when the terminal reports, it needs to report one or more positioning measurement values ​​for each Transmission Reception Point (TRP) or base station (gNB); when the base station reports, each base station needs to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/08H04W24/10
CPCH04W24/08H04W24/10H04W4/02
Inventor 李辉达人任斌任晓涛
Owner DATANG MOBILE COMM EQUIP CO LTD
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