A PCI conflict detection and optimization method, device and system

A technology of conflict detection and optimization method, which is applied in the field of communication and can solve the problem that no method for PCI conflict detection and optimization is proposed.

Active Publication Date: 2022-05-06
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, with the development of 5G NR network technology, under the framework of separation of control network elements and wireless access network elements in 5G NR networks, no effective PCI conflict detection and optimization method has been proposed.

Method used

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  • A PCI conflict detection and optimization method, device and system
  • A PCI conflict detection and optimization method, device and system
  • A PCI conflict detection and optimization method, device and system

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Embodiment Construction

[0096] The term "and / or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations.

[0097] The terms "first" and "second" in the description and claims of the embodiments of the present application are used to distinguish different objects, rather than to describe a specific order of objects. For example, the first control network element and the second control network element are used to distinguish different control network elements, rather than to describe the specific order of the control network elements, and the first management network element and the second management network element are used to It is used to distinguish different management network elements, not to describe the specific sequence of management network elements.

[0098] In the embodiments of the pre...

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Abstract

Embodiments of the present application provide a PCI conflict detection and optimization method, device, and system, which relate to the field of communication technology and can realize PCI conflict detection and optimization in a 5G NR network. The method includes: a first control network element receives a PCI conflict detection notification message; and the first control network element detects that there is a PCI conflict in at least two cells under the trigger of the PCI conflict detection message; if the at least two cells are the first control In the cell managed by the network element, the first control network element performs PCI optimization on the PCI conflict cell managed by the first control network element, and the PCI conflict cell includes at least two cells with PCI conflict detected by the first control network element; if the at least At least one of the two cells is not a cell managed by the first control network element, the first control network element sends a PCI optimization request message to the first management network element, and the PCI optimization request message is used to request the first management network element to perform PCI optimization. optimization.

Description

technical field [0001] The embodiments of the present application relate to the technical field of communications, and in particular to a PCI conflict detection and optimization method, device and system. Background technique [0002] In the field of communication technology, the physical cell identity (PCI) is an important parameter of a cell in a long term evolution (long term evolution, LTE) network or a next generation (new radio, NR) network (also called a 5G NR network). , PCI affects the synchronization, demodulation and cell handover of downlink signals. Therefore, allocating appropriate PCIs for cells is of great significance to the construction and maintenance of wireless networks. [0003] Usually, the number of PCIs is limited (the LTE network includes 504 PCIs). When the number of cells in the network is large, PCI multiplexing will inevitably occur, which will lead to PCI conflicts (PCI conflicts include PCI collision and PCI confusion) ; or when the layout of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02
CPCH04W24/02H04W8/26H04W24/04
Inventor 曹龙雨王耀光
Owner HUAWEI TECH CO LTD
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