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A method, device, and computer-readable storage medium for selecting a resident cell

A cell, cell selection technology, applied in the field of communication

Active Publication Date: 2021-11-09
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no solution for how to select the cell to camp on when the UE has multiple uplink antennas

Method used

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  • A method, device, and computer-readable storage medium for selecting a resident cell
  • A method, device, and computer-readable storage medium for selecting a resident cell
  • A method, device, and computer-readable storage medium for selecting a resident cell

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Embodiment Construction

[0061] The specific implementation manner of the present invention will be further described in detail below with reference to the drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0062] Considering the cost and implementation difficulty of the UE in the 4G era, the UE has only one uplink transmit antenna. In the 5G era, with the development of technology and the need for high-frequency uplink enhancement, various types of UEs will appear, such as uplink dual-transmission UEs or uplink 4-antenna UEs. Multiple uplink transmit antennas will bring more uplink gain, and the uplink gain will have a certain impact on the selection of the camping cell. Theoretically, every time the number of uplink transmit antennas doubles, a 3dB uplink coverage gain will be obtained. The uplink gain brought by the multiple uplink transmit antennas of the UE also needs to be considered...

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Abstract

The present invention provides a method, equipment and computer-readable storage medium for selecting a cell to reside on, relating to the field of communication technology, and is used to allow terminals with different uplink transmission gains to select a suitable cell to reside on. The method for selecting a cell to reside on in the present invention includes: receiving a cell selection parameter broadcast by a base station, wherein the cell selection parameter includes a maximum uplink transmission gain allowed by the cell to be selected; obtaining an uplink transmission gain compensation value according to the maximum uplink transmission gain; Obtain a cell selection signal received power value according to the uplink transmit gain compensation value; obtain a cell selection signal received quality value according to the cell selection parameter; when both the cell selected signal received power value and the cell selected signal received quality value are greater than When 0, it is determined that the cell to be selected satisfies the residency condition. The present invention allows terminals with different uplink transmission gains to reside in a suitable cell.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a method, equipment and computer-readable storage medium for selecting a cell to reside on. Background technique [0002] In the LTE (Long Term Evolution, long-term evolution) system, idle state UE (User Equipment, user equipment) according to RSRP (Reference Signal Receiving Power, reference signal receiving power) and RSRQ ((Reference Signal Receiving Quality, reference signal receiving quality) Select the cell to camp on. Among them, RSRP and the cell downlink RSRP measured by the UE, the minimum RSRP allowed to access the cell, the offset related to the PLMN (Public Land Mobile Network, public land mobile network) priority, and the transmit power level related to the compensation value. [0003] In the past, UEs supporting LTE technology generally had only one uplink antenna, but in future 5G systems, UEs may have multiple uplink antennas. In the prior ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/30H04W36/24H04W48/16H04W48/20
CPCH04W36/24H04W36/30H04W48/16H04W48/20
Inventor 张晓然李男胡南杨光
Owner CHINA MOBILE COMM LTD RES INST