CN114885387B - Neighbor cell switching method based on LTE private network and satellite link communication - Google Patents
Neighbor cell switching method based on LTE private network and satellite link communication Download PDFInfo
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- CN114885387B CN114885387B CN202210440825.XA CN202210440825A CN114885387B CN 114885387 B CN114885387 B CN 114885387B CN 202210440825 A CN202210440825 A CN 202210440825A CN 114885387 B CN114885387 B CN 114885387B
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- 238000004891 communication Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012546 transfer Methods 0.000 claims abstract description 21
- 238000002955 isolation Methods 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 4
- 238000005562 fading Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
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- 230000010354 integration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention belongs to the field of LTE private network and satellite link communication, in particular to a neighbor cell switching method based on LTE private network and satellite link communication, which aims at the easiness of construction of the existing communication network and the integration of private network communication and public network neighbor cell relationship, wherein the public network cell is also configured with neighbor cell relationship for accessing the private network cell. Namely, the users of the public network can be switched to the private network, and the private network can also be switched to the public network. The neighbor communication configuration directly jeopardizes the communication data safety of the government system, and the problems of great potential safety hazards and the like exist in the information, and the following scheme is provided, which comprises the following steps: s1: designing a new planning scheme of a private network neighbor cell; s2: carrying out layer number innovation on the private network neighbor cells; s3: implementing a transfer station; s4: the invention effectively realizes the network construction with high safety and high reliability of government affair work, and ensures the communication safety and the timeliness of data transmission in the government affair work.
Description
Technical Field
The invention relates to the technical field of LTE private network and satellite link communication, in particular to a neighbor cell switching method based on LTE private network and satellite link communication.
Background
Based on the specificity of government affairs work, along with the gradual improvement of daily work informatization level, wireless communication safety is the key work facing government affairs trade, and government industry constantly strengthens the construction demand of wireless safety communication. In order to meet the development of security, confidentiality, networking and intelligence of government industry, the deployment and construction of communication between a special police terminal for daily work and an LTE private network are increasingly enhanced. The government affair communication network is safer, the novel application of the wireless sensing network and the private network control platform continuously promotes the construction of the LTE (1.4G) private network of the government affair communication system with high safety, high reliability and low leakage. If a public network link is adopted between the government affair A area and the government affair B area, the risk of information leakage is caused, and the leakage problem cannot be perceived in advance. The private network link is adopted, so that the communication efficiency is improved, and the data information safety of wireless communication is ensured.
In order to facilitate the construction of the communication network, the existing private network communication is combined with the public network neighbor relation to integrate communication configuration, and the neighbor relation of the access private network cell is also configured on the public network cell. I.e. the subscribers of the public network can switch to the private network and the private network can also switch to the public network. The communication safety of the government affair system can be directly jeopardized by the communication configuration of the neighboring cells, and the information has a great potential safety hazard.
Disclosure of Invention
The neighbor cell switching method based on LTE private network and satellite link communication solves the problem that the existing private network communication is combined with public network neighbor cell relationship fusion communication configuration for the simplicity of communication network construction, and neighbor cell relationship of an access private network cell is also configured on a public network cell. I.e. the subscribers of the public network can switch to the private network and the private network can also switch to the public network. The communication safety of the government affair system can be directly jeopardized by the communication configuration of the neighbor cells, and the problem of great potential safety hazard exists in information.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a neighbor cell switching method based on LTE private network and satellite link communication comprises the following steps:
s1: designing a new planning scheme of a private network neighbor cell;
s2: carrying out layer number innovation on the private network neighbor cells;
s3: implementing a transfer station;
s4: secure encryption.
Preferably, in the step S1, a new plan for planning a private network neighbor is designed: the method has the advantages that the method does not have the relationship with the public network configuration neighbor cells, and the neighbor cell relationships are interacted between private network cells.
Preferably, in the step S1, a new plan for planning a private network neighbor is designed: and (3) the relationship between the isolation belt and the public network (operators) of the private network edge zone is not configured, and the isolation belt is erected.
Preferably, in the step S2, layer number innovation is performed on the private network neighbor cell: dividing adjacent areas within a government special network of less than 60 km into three layers, taking government affairs A to (A+500m) as a first layer adjacent area, taking government affairs B to (B+500m) as a second layer adjacent area, taking government affairs C to (C+500m) as a third layer adjacent area, and avoiding the problem of coverage holes within the coverage area of the special network based on the division.
Preferably, in the step S3, the transfer station is implemented: for government E neighbor cells more than 60 km away, the satellite modem receiving station is used as a transfer station.
Preferably, in the step S4, secure encryption: the data security encryption in the modulation and demodulation process is realized for the communication content among all layers of the government network, and the leakage and loss of communication data information are prevented.
Preferably, in the step S3, the transfer station is implemented: for government E neighbor cells which are more than 60 km away, a satellite modem receiving station is used as a transfer station; the satellite in the adjacent area A of government affairs within 20 km is used for modulating and demodulating the transmitted signals, so that the smoothness of the signals and the normal conversation are ensured.
Preferably, in the step S3, a satellite modem receiving station is implemented as a transfer station for a government E neighborhood more than 60 km away; doppler frequency shift, multipath shadow fading, gauss white noise and amplification filtering are respectively carried out, and the processed baseband signals are converted into radio frequency signals to be output.
Compared with the prior art, the invention has the beneficial effects that:
the network communication security hole that private network may be monitored, stolen, lost, tampered, compromised and the like due to the problem of the neighboring area is really solved.
Physical isolation with public network, the leakage phenomenon that the government affair personnel appear because of public network communication is reduced to the maximum extent, and the communication safety of government affair network information is protected to effectively realize the network construction of high security, the high reliability of government affair work, ensure the security of communication and the timeliness of data transmission in the government affair work.
Drawings
Fig. 1 is a schematic block diagram of a neighbor cell switching method based on communication between an LTE private network and a satellite link according to the present invention;
fig. 2 is a schematic diagram of layer innovation of a private network neighboring cell based on a neighboring cell switching method of LTE private network and satellite link communication according to the present invention;
fig. 3 is a schematic diagram of a relay station for implementing a method for switching between neighboring cells based on communication between an LTE private network and a satellite link according to the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-3, a neighbor cell switching method based on communication between an LTE private network and a satellite link includes the following steps:
s1: designing a new planning scheme of a private network neighbor cell;
s2: carrying out layer number innovation on the private network neighbor cells;
s3: implementing a transfer station;
s4: secure encryption.
In this embodiment, in the step S1, a new scheme for planning a private network neighboring cell is designed: the method has the advantages that the method does not have the relationship with the public network configuration neighbor cells, and the neighbor cell relationships are interacted between private network cells.
In this embodiment, in the step S1, a new scheme for planning a private network neighboring cell is designed: and (3) the relationship between the isolation belt and the public network (operators) of the private network edge zone is not configured, and the isolation belt is erected.
In this embodiment, in S2, the layer number innovation is performed on the private network neighbor cell: dividing adjacent areas within a government special network of less than 60 km into three layers, taking government affairs A to (A+500m) as a first layer adjacent area, taking government affairs B to (B+500m) as a second layer adjacent area, taking government affairs C to (C+500m) as a third layer adjacent area, and avoiding the problem of coverage holes within the coverage area of the special network based on the division.
In this embodiment, in S3, the transfer station is implemented: for government E neighbor cells more than 60 km away, the satellite modem receiving station is used as a transfer station.
In this embodiment, in S4, secure encryption: the data security encryption in the modulation and demodulation process is realized for the communication content among all layers of the government network, and the leakage and loss of communication data information are prevented.
In this embodiment, in S3, the transfer station is implemented: for government E neighbor cells which are more than 60 km away, a satellite modem receiving station is used as a transfer station; the satellite in the adjacent area A of government affairs within 20 km is used for modulating and demodulating the transmitted signals, so that the smoothness of the signals and the normal conversation are ensured.
In this embodiment, in the step S3, a satellite modem receiving station is used as a transfer station for a government E neighboring cell more than 60 km away; doppler frequency shift, multipath shadow fading, gauss white noise and amplification filtering are respectively carried out, and the processed baseband signals are converted into radio frequency signals to be output.
Example two
A neighbor cell switching method based on LTE private network and satellite link communication comprises the following steps:
referring to fig. 1, after the private network neighbor planning is completed, the shown government affair LTE (1.4G/1.8G) private network will not have a switching relationship with the public network of the operator any more, and only the adjacent area switching relationship between the private networks is reserved. Exporting the eNodeB ID, the Cell ID, the TAC, the PCI and the frequency point which only belong to the planning under the same private network through a private network convergence communication platform, deleting other adjacent cells except for a government private network base station, and deleting private network adjacent cells which are not in the same frequency, in the same mechanism, in the same rule and communicated with the same rule;
referring to fig. 2, according to the overlapping coverage distance between the cells, a first cell detected in the horizontal direction and the main cell of the government a base station is calculated, that is, a first neighboring cell, and the overlapping coverage distance is calculated to be 500 meters, that is, the diameter of the overlapping coverage area is 500 meters, that is, [ a ] to (a+500 m) ]; calculating to obtain that a cell detected nearest to the horizontal direction of the first adjacent cell is a second adjacent cell according to MRE (measurement triggered by a mobile signal intensity event) data of the first adjacent cell of the main cell, and calculating an overlapping coverage distance of 500 meters, namely, the diameter of the overlapping coverage distance is 500 meters, namely, the second cell is [ B ] to (B+500 m) ]; calculating to obtain that a cell detected nearest to the horizontal direction in the second adjacent cell is a third adjacent cell according to MRO (Mobility Robust Optimization mobile signal intensity optimization sample measurement) data of the second adjacent cell, and calculating an overlapping coverage distance of 500 meters, namely, the diameter of an overlapping coverage area is 500 meters, namely, the third cell is [ C to (C+500 m) ], wherein the coverage radius of each cell is 10 kilometers, and meanwhile, the signal intensity of a portable EPC enhanced area can be increased in an area with incomplete signal coverage;
adding the detected cell as a neighbor cell through a government affair A base station main cell, generating a neighbor cell configuration list by the government affair A cell, matching with the government affair A cell scanning neighbor cell list, selecting a neighbor cell with a distance of more than 20 km from the government affair A cell, and generating a too far missed configuration neighbor cell list;
referring to fig. 3, through MRS (statistical measurement under different field environments with multi-directional mobile signal intensity), when the distance between neighboring cells is greater than 20 km, the portable small base station for convertible satellite communication is used as a transfer station to perform modulation and demodulation, and then adopts professional frequency band signal transmission, and is transmitted to the satellite transfer station by government a through the portable satellite base station, and respectively performs doppler shift, multipath shadow fading, gauss white noise and amplification and filtering processing, and converts the processed baseband signal into a radio frequency signal to output, and the radio frequency signal is transmitted to the portable satellite base station for government D for reception through analog-digital modulation.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The neighbor cell switching method based on the communication of the LTE private network and the satellite link is characterized by comprising the following steps:
s1: designing a new planning scheme of a private network neighbor cell;
s2: carrying out layer number innovation on the private network neighbor cells;
s3: implementing a transfer station;
s4: secure encryption;
in the step S1, a new scheme of planning private network neighbor cells is designed: the neighboring cell relationship is not configured with the public network, and the neighboring cell relationship is interacted between private network cells;
in the step S1, a new scheme of planning private network neighbor cells is designed: the method is characterized in that a neighboring area relation is not configured with a public network in a private network edge zone, and an isolation belt is erected;
in the step S2, layer number innovation is performed on the private network neighbor cell: dividing adjacent cells within less than 60 km of a government special network into three layers;
in the step S3, the transfer station is implemented: a satellite modem receiving station is used as a transfer station for the neighbor cell which is more than 60 km away;
in the step S4, secure encryption: the data security encryption in the modulation and demodulation process is realized for the communication content among all layers of the government network;
in the step S3, the transfer station is implemented: a satellite modem receiving station is used as a transfer station for the neighbor cells with the kilometers more than 60; the transmitted signal is modulated by a neighboring satellite within 20 km.
2. The method for switching between adjacent cells based on communication between an LTE private network and a satellite link according to claim 1, wherein in S3, a satellite modem receiving station is used as a transfer station for the adjacent cells more than 60 km away; doppler frequency shift, multipath shadow fading, gauss white noise and amplification filtering are respectively carried out, and the processed baseband signals are converted into radio frequency signals to be output.
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