CN114885387A - Neighbor cell switching method based on communication between LTE private network and satellite link - Google Patents
Neighbor cell switching method based on communication between LTE private network and satellite link Download PDFInfo
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- CN114885387A CN114885387A CN202210440825.XA CN202210440825A CN114885387A CN 114885387 A CN114885387 A CN 114885387A CN 202210440825 A CN202210440825 A CN 202210440825A CN 114885387 A CN114885387 A CN 114885387A
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- 238000004891 communication Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012546 transfer Methods 0.000 claims abstract description 20
- 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
- 238000012545 processing Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 230000023402 cell communication Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 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
- 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
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- 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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Abstract
The invention belongs to the field of communication between an LTE private network and a satellite link, and particularly relates to a neighbor cell switching method based on communication between the LTE private network and the satellite link. Namely, the user 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 cell communication configuration can directly endanger the communication data safety of a government affair system, and the information has the problems of serious potential safety hazard and the like, and the following scheme is proposed and comprises the following steps: s1: designing a new planning scheme of a private network adjacent cell; s2: performing layer number innovation on the private network adjacent region; s3: implementing a transfer station; s4: the invention effectively realizes the network construction with high security and high reliability of government affair work, and ensures the security of communication and the timeliness of data transmission in the government affair work.
Description
Technical Field
The invention relates to the technical field of communication between an LTE private network and a satellite link, in particular to a neighbor cell switching method based on communication between the LTE private network and the satellite link.
Background
Based on the particularity of government affair work, along with the gradual improvement of daily work informatization level, wireless communication safety is the key work that the government affair industry faces, and the construction demand of wireless safety communication is constantly strengthened to the government industry. In order to comply with the development of security, confidentiality, networking and intelligence of the government affair industry, the deployment and construction of the special police affair terminal for daily work and the communication of the LTE private network are increasingly strengthened. Government affair communication network security, wireless sensor network, the novel application of private network management and control platform constantly promote the construction of the government affair communication system LTE (1.4G) private network of high security, high reliability, low revealing. If a public network link is adopted between the government affair A district and the government affair B district, the risk of information leakage is caused, and the leakage problem cannot be sensed in advance. The adoption of the private network link not only improves the communication efficiency, but also ensures the data information security of wireless communication.
For the simplicity of communication network construction, the existing private network communication is combined with the public network adjacent cell relation to merge communication configuration, and the public network cell is also configured with the adjacent cell relation accessed to the private network cell. Namely, the user of the public network can be switched to the private network, and the private network can also be switched to the public network. The adjacent cell communication configuration can directly endanger the communication safety of a government affair system, and the information has great potential safety hazards.
Disclosure of Invention
The neighbor cell switching method based on the LTE private network and satellite link communication solves the problems that the existing simplicity of communication network construction is solved, the existing private network communication is combined with the public network neighbor cell relation to fuse communication configuration, and the public network cell can also be configured with the neighbor cell relation accessed into the private network cell. Namely, the user of the public network can be switched to the private network, and the private network can also be switched to the public network. The adjacent cell communication configuration can directly endanger the communication safety of a government affair system, and the information has the problem of great potential safety hazard.
In order to achieve the purpose, the invention adopts the following technical scheme:
a neighbor cell switching method based on communication between an LTE private network and a satellite link comprises the following steps:
s1: designing a new planning scheme of a private network adjacent cell;
s2: performing layer number innovation on the private network adjacent region;
s3: implementing a transfer station;
s4: and (6) safety encryption.
Preferably, in S1, designing a new private network neighboring cell planning scheme: and the adjacent cell relation is not configured with the public network, and the adjacent cell relation is mutually configured among private network cells.
Preferably, in S1, a new private network neighboring cell planning scheme is designed: and (4) constructing an isolation zone without configuring the adjacent zone relation with a public network (operator) of the edge zone of the private network.
Preferably, in S2, the number of layers of the private network neighboring cell is innovated: the adjacent cells of the private network for the government affairs within less than 60 kilometers are divided into three layers, the government affairs A to (A +500m) are used as the first layer of adjacent cells, the government affairs B to (B +500m) are used as the second layer of adjacent cells, and the government affairs C to (C +500m) are used as the third layer of adjacent cells, so that the coverage hole problem in the coverage range of the private network can be avoided based on the division.
Preferably, in S3, the transfer station is implemented: and the satellite modem receiving station is used as a transfer station for government E neighborhoods more than 60 kilometers away.
Preferably, in S4, the secure encryption: data security encryption in the modulation and demodulation process is achieved for communication contents among all layers of the government affair network, and leakage and loss of communication data information are prevented.
Preferably, in S3, the transfer station is implemented: implementing a satellite modem receiving station as a transfer station for a government E adjacent region more than 60 kilometers away; the signal is modulated and demodulated by a government affair A neighboring area satellite within 20 kilometers, so that smooth signal and normal conversation are ensured.
Preferably, in S3, the satellite modem receiving station is used as a transfer station for the government affair E neighborhood more than 60 km away; and respectively carrying out Doppler frequency shift, multipath shadow fading, Gauss white noise and amplification filtering processing, and converting the processed baseband signals into radio frequency signals for output.
Compared with the prior art, the invention has the beneficial effects that:
the network communication security loopholes which can be monitored, stolen, lost, tampered, divulged of secrets and the like caused by the adjacent cell problem of the private network are really solved.
The network security protection system is physically isolated from a public network, reduces the divulgence phenomenon of government affairs personnel due to public network communication to the greatest extent, and protects the communication security of government affair network information, thereby effectively realizing the network construction with high security and high reliability of government affair work, and guaranteeing 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 LTE private network and satellite link communication according to the present invention;
fig. 2 is a schematic diagram of layer number innovation of a private network neighboring cell based on a neighboring cell switching method for LTE private network and satellite link communication according to the present invention;
fig. 3 is a schematic diagram of a transfer station implemented by the neighbor cell switching method based on the communication between the LTE private network and the satellite link according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
Referring to fig. 1-3, a neighbor cell switching method based on LTE private network and satellite link communication includes the following steps:
s1: designing a new planning scheme of a private network adjacent cell;
s2: performing layer number innovation on the private network adjacent region;
s3: implementing a transfer station;
s4: and (6) safety encryption.
In this embodiment, in S1, a new private network neighboring cell planning scheme is designed: and the adjacent cell relation is not configured with the public network, and the adjacent cell relation is mutually configured among private network cells.
In this embodiment, in S1, a new private network neighboring cell planning scheme is designed: and (4) constructing an isolation zone without configuring the adjacent zone relation with a public network (operator) of the edge zone of the private network.
In this embodiment, in S2, the number of layers of the private network neighboring cell is innovated: the adjacent cells of the private network for the government affairs within less than 60 kilometers are divided into three layers, the government affairs A to (A +500m) are used as the first layer of adjacent cells, the government affairs B to (B +500m) are used as the second layer of adjacent cells, and the government affairs C to (C +500m) are used as the third layer of adjacent cells, so that the coverage hole problem in the coverage range of the private network can be avoided based on the division.
In this embodiment, in S3, the transfer station is implemented: and the satellite modem receiving station is used as a transfer station for government E neighborhoods more than 60 kilometers away.
In this embodiment, in S4, the secure encryption: data security encryption in the modulation and demodulation process is achieved for communication contents among all layers of the government affair network, and leakage and loss of communication data information are prevented.
In this embodiment, in S3, the transfer station is implemented: implementing a satellite modem receiving station as a transfer station for a government E adjacent region more than 60 kilometers away; the signal is modulated and demodulated by a government affair A neighboring area satellite within 20 kilometers, so that smooth signal and normal conversation are ensured.
In this embodiment, in S3, the satellite modem receiving station is used as a transfer station for a neighboring area of government affairs E greater than 60 km away; and respectively carrying out Doppler frequency shift, multipath shadow fading, Gauss white noise and amplification filtering processing, and converting the processed baseband signals into radio frequency signals for output.
Example two
A neighbor cell switching method based on communication between an LTE private network and a satellite link comprises the following steps:
referring to fig. 1, after the private network neighbor planning is completed, the private network of the government affair LTE (1.4G/1.8G) will not have a handover relationship with the public network of the operator any more, and only the temporary handover relationship between the private network and the private network is reserved. Deriving eNodeB ID, Cell ID, TAC, PCI and frequency point which are only planned under the same private network through a private network convergence communication platform, and deleting other adjacent cells except a government affair private network base station, non-same-frequency, same-mechanism and same-rule communication private network adjacent cells and the like;
referring to fig. 2, according to the overlapping coverage distance between cells, the government affair a base station main cell and a first cell detected in the horizontal direction, that is, a first neighboring cell, are calculated, and the overlapping coverage distance is calculated to be 500m, that is, the diameter of the overlapping coverage area is 500m, that is, the first neighboring cell is [ a to (a +500m) ]; according to MRE (measurement triggered by mobile signal strength event) data of a first adjacent cell of the main cell, calculating to obtain that the first adjacent cell and a cell which is detected recently in the horizontal direction are second adjacent cells, and calculating the overlapping coverage distance to be 500 meters, namely the diameter of the overlapping coverage distance to be 500 meters, namely the second cell is [ B to (B +500m) ]; calculating to obtain a cell which is detected by the second adjacent cell nearest to the horizontal direction and is a third adjacent cell according to MRO (Mobility route Optimization measurement sample type) data of the second adjacent cell, 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 +500m) ], 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 neighboring cell through a main cell of a government affair A base station, generating a neighboring cell configuration list by the government affair A cell, matching the neighboring cell configuration list with a scanning neighboring cell list of the government affair A cell, selecting a neighboring cell which is more than 20 kilometers away from the government affair A cell, and generating a list of the missing neighboring cells with too far distance;
referring to fig. 3, through MRS (statistical measurement in different mobile signal strength directions under different field environments), when the distance between adjacent cells is greater than 20 km, a convertible satellite communication portable small base station is used as a transfer station to perform modulation and demodulation, and then, professional frequency band signal transmission is adopted, government affair a transmits to the satellite transfer station through the satellite portable base station, doppler frequency shift, multipath shadow fading, Gauss white noise and amplification and filtering processing are performed respectively, processed baseband signals are converted into radio frequency signals to be output, and the radio frequency signals are transmitted to government affair D satellite portable base station to be received through analog-to-digital modulation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A neighbor cell switching method based on communication between an LTE private network and a satellite link is characterized by comprising the following steps:
s1: designing a new planning scheme of a private network adjacent cell;
s2: performing layer number innovation on the private network adjacent region;
s3: implementing a transfer station;
s4: and (6) safety encryption.
2. The neighbor cell switching method based on LTE private network and satellite link communication according to claim 1, wherein in S1, a new private network neighbor cell planning scheme is designed: and the adjacent cell relation is not configured with the public network, and the adjacent cell relation is mutually configured among private network cells.
3. The neighbor cell switching method based on LTE private network and satellite link communication according to claim 1, wherein in S1, a new private network neighbor cell planning scheme is designed: and (5) setting up an isolation zone without configuring a neighboring area relation with a public network of the private network edge zone.
4. The neighbor cell switching method based on LTE private network and satellite link communication according to claim 1, wherein in S2, layer number innovation is performed on a private network neighbor cell: and dividing the neighborhood of the government affair private network within less than 60 kilometers into three layers.
5. The method for handover between neighboring areas based on LTE private network and satellite link communication according to claim 1, wherein in S3, the relay station is implemented: and the satellite modem receiving station is used as a transfer station for the adjacent area more than 60 kilometers away.
6. The method for handover between neighboring areas based on LTE private network and satellite link communication according to claim 1, wherein in S4, the security encryption: and data security encryption in the modulation and demodulation process is carried out on the communication contents among the layers of the government affair network.
7. The method for handover between neighboring cells based on LTE private network and satellite link communication according to claim 5, wherein in S3, the relay station is implemented: for the adjacent area larger than 60 kilometers, a satellite modulation and demodulation receiving station is used as a transfer station; the transmitted signal is modulated and demodulated by a neighboring satellite within 20 kilometers.
8. The method for handover between adjacent cells based on LTE private network and satellite link communication according to claim 5, wherein in S3, the satellite modem receiving station is used as a transfer station for adjacent cells greater than 60 km away; and respectively performing Doppler frequency shift, multipath shadow fading, Gaussian white noise and amplification filtering processing, and converting the processed baseband signals into radio frequency signals for output.
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