CN116887288A - 5G network deployment method under special scene - Google Patents
5G network deployment method under special scene Download PDFInfo
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- CN116887288A CN116887288A CN202310838268.1A CN202310838268A CN116887288A CN 116887288 A CN116887288 A CN 116887288A CN 202310838268 A CN202310838268 A CN 202310838268A CN 116887288 A CN116887288 A CN 116887288A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000004888 barrier function Effects 0.000 claims description 16
- 230000007423 decrease Effects 0.000 abstract description 4
- 239000011229 interlayer Substances 0.000 description 13
- 239000010410 layer Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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Abstract
The invention provides a 5G network deployment method in a special scene, which can effectively avoid ping-pong switching and co-channel interference in the special scene. The invention adopts a cell merging and switching band adjusting mode to solve the problems of common-frequency interference and ping-pong switching in a complex field; the problem of co-channel interference among a plurality of pRRUs in a large open scene is solved by adopting the modes of pRRU cross deployment, cell merging and switching band adjustment, and the signal quality of the open scene is improved. Can avoid the user to experience the speed decline because of the same frequency interference under the complicated scene of structure to and because of avoiding the business delay increase that the ping pong switches and lead to, can avoid the user to experience the speed decline because of the same frequency interference under the open scene.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a 5G network deployment method in a special scene.
Background
Indoor distribution is an important application scene of 5G, with the continuous development and popularization of 5G technology, indoor service proportion is higher and higher, according to relevant statistics, 70% of service in 4G age occurs indoors, and 5G is applied in more than 85% indoors. The 5G frequency band is relatively high, transmission loss including network penetration loss can be quite large, and how to effectively solve the problem of 5G room division scene coverage is a problem to be solved urgently.
Currently, in a closed environment and in a compartmented scene, a 5G network generally adopts an extended type leather base station architecture of a traditional compartment, namely, a BBU separates a plurality of radio frequency units (pRRU) through RHUB, each radio frequency unit covers one compartment or corridor channel, and cell merging can be configured between pRRU according to scene requirements, so that same-frequency interference and switching times are reduced. And each layer is covered by an independent pRRU, so that the signal coverage quality of each layer is ensured.
The existing indoor division architecture generally has the following problems in a special scene: the number of rooms in a closed environment is large, and the user is easy to generate ping-pong switching in a complex scene with irregular channel and gallery design, so that the service time delay is influenced; a large open scene requires a plurality of pRRUs to cover the scene, and the same-frequency interference among the pRRUs is serious; the object with good electromagnetic shielding effect, such as a door, a curtain and the like, has abrupt change of signal quality at two sides of the shielding under two scenes of opening and closing, so that user experience is abruptly reduced; in a scenario with small transmission loss of interlayer signals, interlayer pRRU may cause serious co-channel interference.
Disclosure of Invention
In view of this, the invention provides a 5G network deployment method in a special scene, which can effectively avoid ping-pong handover and co-channel interference in the special scene.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
A5G indoor network deployment method under special scene comprises deployment under complex scene and deployment under open scene;
the deployment mode under the complex scene is as follows: adjacent pRRUs are combined into a cell, and the signal to noise ratio of signals of the combined area and the overlapped coverage area is improved; by adjusting pRRU transmitting power, the switching band is adjusted to be relatively open and structurally regular areas as much as possible, so that ping-pong switching of overlapping coverage areas is avoided;
the deployment mode under the open scene is as follows: two sides of the pRRUs are arranged in a crossing way; cell merging is carried out between pRRUs, so that only one cell is covered in an open scene.
In deployment under an open scene, the open scene cell and other cell switching bands are adjusted to an area beyond the open scene, so that the overlapping coverage area of the cells in the open scene is ensured not to appear.
The method also comprises deployment in an electromagnetic shielding barrier scene, and the specific mode is as follows: pRRU is respectively deployed at two sides of the barrier, so that the signal coverage quality of the two sides is ensured when the barrier is closed; cell merging is carried out on pRRUs on two sides of the gear, and common-frequency interference of pRRUs on two sides when the gear is opened is avoided.
The deployment in the scene with small puncture loss is particularly interlayer pRRU deployment.
Wherein, the interlayer pRRU deployment specifically is: every other layer is deployed with pRRU equipment, and no pRRU layer is covered by pRRU of adjacent layers; different frequency deployment of adjacent pRRUs; and adjusting the power, and adjusting the switching belt to any corridor area to avoid ping-pong switching in the turning area of the stairwell.
The beneficial effects are that:
1. the invention relates to a 5G indoor network deployment method in a special scene, which adopts a cell merging and switching band adjusting mode to solve the problems of common-frequency interference and ping-pong switching in a complex field; the problem of co-channel interference among a plurality of pRRUs in a large open scene is solved by adopting the modes of pRRU cross deployment, cell merging and switching band adjustment, and the signal quality of the open scene is improved. Can avoid the user to experience the speed decline because of the same frequency interference under the complicated scene of structure to and because of avoiding the business delay increase that the ping pong switches and lead to, can avoid the user to experience the speed decline because of the same frequency interference under the open scene.
2. The invention adopts a mode of independent deployment of a plurality of pRRUs and cell merging, solves the problem of abrupt change of signal quality at two sides of a barrier under the electromagnetic shielding barrier scene, and can avoid network call drop or abrupt drop of experience rate caused by switching the barrier under the electromagnetic shielding barrier scene.
3. According to the invention, the pRRU is deployed by the interlayer and the switching band is adjusted, so that the problems of interlayer co-channel interference and inter-staircase ping-pong switching in a scene with small signal transmission loss are solved, the network deployment cost can be saved, the interlayer co-channel interference can be reduced, and the user experience rate can be improved in a scene with small interlayer transmission loss.
Drawings
Fig. 1 is a schematic diagram of pRRU deployment in a complex scenario of the present invention.
Fig. 2 is a schematic diagram of pRRU deployment in open scene of the present invention.
Fig. 3 is a schematic diagram of pRRU deployment in an electromagnetic shielding barrier scenario of the present invention.
Fig. 4 is a schematic diagram of interlayer pRRU deployment in a less lossy scene of the present invention.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The invention provides a 5G network deployment method in a special scene, which comprises deployment in a complex scene, deployment in an open scene, deployment in an electromagnetic shielding barrier scene and deployment in a scene with less penetration.
The deployment mode under the complex scene is as follows: adjacent pRRUs are combined into a cell as much as possible, so that the same-frequency interference of an overlapped coverage area is avoided, and the signal to noise ratio of signals of the combined area and the overlapped coverage area is improved; by adjusting pRRU transmitting power, the switching band is adjusted to be relatively open and structurally regular areas as much as possible, and ping-pong switching of overlapping coverage areas is avoided. Deployment in complex scenarios is shown in fig. 1.
The deployment mode under the open scene is as follows: the pRRU two sides are arranged in a crossing way, so that weaker single-side coverage is avoided; cell merging is carried out between pRRUs, so that only one cell is covered in an open scene, the same-frequency interference between pRRUs is avoided, and the signal-to-noise ratio of an open area is improved; the open scene cell and other cell switching bands are adjusted to the area outside the open scene, so that the overlapping coverage area of the cells in the open scene is ensured not to appear, and the signal-to-noise ratio of the open area signal is improved. Deployment in open scenes is shown in fig. 2.
The deployment mode under the electromagnetic shielding barrier scene is as follows: pRRU is respectively deployed at two sides of the barrier, so that the signal coverage quality of the two sides is ensured when the barrier is closed; cell combination is carried out on pRRUs on two sides of the gear, and the situation that the pRRUs on two sides have co-channel interference when the gear is opened to cause abrupt signal-to-noise ratio drop is avoided. Deployment in an electromagnetic shielding barrier scenario is shown in fig. 3.
The deployment mode in the scene with smaller penetration loss is interlayer pRRU deployment, and specifically comprises the following steps: one pRRU device is deployed at intervals of one layer, no pRRU layer is covered by adjacent pRRU layers, so that the deployment cost is saved, and the interlayer pRRU co-channel interference is avoided; different frequencies of adjacent pRRUs are deployed, so that inter-layer co-channel interference is avoided; and adjusting the power, and adjusting the switching belt to any corridor area to avoid ping-pong switching in the turning area of the stairwell. Interlayer pRRU deployment in less lossy scenarios is shown in fig. 4.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The 5G indoor network deployment method under the special scene is characterized by comprising deployment under the complex scene and deployment under the open scene;
the deployment mode under the complex scene is as follows: adjacent pRRUs are combined into a cell, and the signal to noise ratio of signals of the combined area and the overlapped coverage area is improved; by adjusting pRRU transmitting power, the switching band is adjusted to be relatively open and structurally regular areas as much as possible, so that ping-pong switching of overlapping coverage areas is avoided;
the deployment mode under the open scene is as follows: two sides of the pRRUs are arranged in a crossing way; cell merging is carried out between pRRUs, so that only one cell is covered in an open scene.
2. The method of claim 1, wherein in deployment in an open scene, the open scene cell and other cell handover bands are adjusted to areas outside the open scene, ensuring that no cell overlapping coverage areas occur in the open scene.
3. The method of claim 1 or 2, further comprising deployment in an electromagnetic shielding barrier scenario by: pRRU is respectively deployed at two sides of the barrier, so that the signal coverage quality of the two sides is ensured when the barrier is closed; cell merging is carried out on pRRUs on two sides of the gear, and common-frequency interference of pRRUs on two sides when the gear is opened is avoided.
4. The method according to claim 1 or 2, further comprising deployment in less lossy scenarios, in particular interlaminar pRRU deployment.
5. The method of claim 4, wherein the interlaminar pRRU deployment is specifically: every other layer is deployed with pRRU equipment, and no pRRU layer is covered by pRRU of adjacent layers; different frequency deployment of adjacent pRRUs; and adjusting the power, and adjusting the switching belt to any corridor area to avoid ping-pong switching in the turning area of the stairwell.
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| CN202310838268.1A CN116887288A (en) | 2023-07-10 | 2023-07-10 | 5G network deployment method under special scene |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006007762A1 (en) * | 2004-07-21 | 2006-01-26 | Utstarcom Telecom Co., Ltd. | Expandable architecture of centrylized base station system |
| CN105874861A (en) * | 2014-11-29 | 2016-08-17 | 华为技术有限公司 | Method and apparatus for adjusting air interface capacity density |
| CN106487568A (en) * | 2015-09-02 | 2017-03-08 | 中兴通讯股份有限公司 | Topological frame picture methods of exhibiting based on network management system, device and network management system |
| CN107135513A (en) * | 2016-02-29 | 2017-09-05 | 中兴通讯股份有限公司 | Pilot frequency collocation method and device based on Remote Radio Unit cell combining |
| CN110118953A (en) * | 2018-02-05 | 2019-08-13 | 大唐移动通信设备有限公司 | A kind of localization method, apparatus and system |
| CN111740768A (en) * | 2019-03-25 | 2020-10-02 | 华为技术有限公司 | Communication method and device |
| WO2021114059A1 (en) * | 2019-12-09 | 2021-06-17 | 华为技术有限公司 | Communication method and apparatus |
-
2023
- 2023-07-10 CN CN202310838268.1A patent/CN116887288A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006007762A1 (en) * | 2004-07-21 | 2006-01-26 | Utstarcom Telecom Co., Ltd. | Expandable architecture of centrylized base station system |
| CN105874861A (en) * | 2014-11-29 | 2016-08-17 | 华为技术有限公司 | Method and apparatus for adjusting air interface capacity density |
| CN106487568A (en) * | 2015-09-02 | 2017-03-08 | 中兴通讯股份有限公司 | Topological frame picture methods of exhibiting based on network management system, device and network management system |
| CN107135513A (en) * | 2016-02-29 | 2017-09-05 | 中兴通讯股份有限公司 | Pilot frequency collocation method and device based on Remote Radio Unit cell combining |
| CN110118953A (en) * | 2018-02-05 | 2019-08-13 | 大唐移动通信设备有限公司 | A kind of localization method, apparatus and system |
| CN111740768A (en) * | 2019-03-25 | 2020-10-02 | 华为技术有限公司 | Communication method and device |
| WO2021114059A1 (en) * | 2019-12-09 | 2021-06-17 | 华为技术有限公司 | Communication method and apparatus |
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