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SSB measurement method and device

A measurement method and internal measurement technology, applied in the field of communication, can solve problems such as missing SSB of terminal equipment and deterioration of measurement results in serving cells, and achieve the effect of improving measurement accuracy

Active Publication Date: 2021-02-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since there may be multiple cells under one frequency point (the multiple cells may include the serving cell and the adjacent cells of the serving cell), and the positions of the SSB blocks sent by each cell may be different, so ssb-ToMeasure cannot well reflect a frequency. The SSB transmission of all cells on the point may cause the terminal equipment to miss some SSBs transmitted by the serving cell, resulting in poor measurement results of the serving cell

Method used

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Embodiment Construction

[0037] Embodiments of the present application provide a method and device for measuring SSB, which can be applied to the fourth generation (4 th generation, 4G) mobile communication system, the fifth generation (5 th generation, 5G) mobile communication system or future mobile communication system. For example, applied to 5G NR system.

[0038] In order to facilitate the understanding of the embodiment of the present application, first combine figure 1 and figure 2 The communication system applicable to the embodiment of the present application will be described in detail. figure 1 A schematic diagram of a communication system 100 applicable to the embodiments of the present application is shown. Such as figure 1 As shown, the communication system 100 may include at least one network device, such as figure 1 The network device 110 shown; the communication system 100 may also include at least one terminal device, such as figure 1 Terminal device 120 is shown. The net...

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Abstract

Provided are a synchronization signal / physical broadcast channel block (SSB) measurement method and device, which relate to the field of communications, and can ensure that a terminal device performsSSB measurement of a serving cell by using more accurate SSB transmission information of the serving cell, thereby improving the measurement accuracy of the serving cell. The method comprises: a terminal device receives first information and second information, the first information indicating a time domain position of an SSB sent by a serving cell, and the second information indicating an SSB setsent by a neighbor cell to be measured by the terminal device; the terminal device measures the SSB sent by the serving cell in a first measurement window according to the first information; and theterminal device measures the SSB sent by the neighbor cell in the second measurement window according to the second information. The embodiments of the present application can be applied to a 5G communication system.

Description

technical field [0001] The present application relates to the communication field, in particular to a method and device for measuring a synchronization signal / physical broadcast channel block ((synchronization signal, SS) / (physical broadcast channel, PBCH) block, SSB). Background technique [0002] Mobility management is an important part of wireless mobile communication. According to the state of the terminal equipment, the mobility management can be divided into two parts: the mobility management of the idle state (RRC_IDLE state) / deactivation state (RRC_INACTIVE state) and the mobility management of the connected state (RRC_CONNECTED state). In the case of a terminal device in an idle state / deactivated state, mobility management includes the process of cell selection / reselection. In the case of a terminal device in a connected state, mobility management includes the process of cell handover. Both cell selection / reselection and cell handover are performed based on the re...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W72/04H04W76/27
CPCH04W36/0058H04W76/27H04W72/23H04W36/0088H04W48/12H04L5/0048H04L5/001H04L5/0094H04W56/001H04W72/20
Inventor 郑黎丽张宏平曾清海刘佳魏璟鑫
Owner HUAWEI TECH CO LTD