CN108810908A - A kind of communication network path selection method and system - Google Patents
A kind of communication network path selection method and system Download PDFInfo
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- CN108810908A CN108810908A CN201710300811.7A CN201710300811A CN108810908A CN 108810908 A CN108810908 A CN 108810908A CN 201710300811 A CN201710300811 A CN 201710300811A CN 108810908 A CN108810908 A CN 108810908A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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Abstract
The present invention provides a kind of communication network path selection method, is applied to several fixed base stations, several mobile relay equipments and user equipment, method and includes：Obtain the signal-to-noise ratio between each fixed base stations and each mobile relay equipment；Obtain the signal-to-noise ratio between user equipment and each mobile relay equipment；Obtain the amount of capacity of each mobile relay equipment；Based on the signal-to-noise ratio between signal-to-noise ratio, user equipment and each mobile relay equipment between each fixed base stations and each mobile relay equipment, and each the amount of capacity of mobile relay equipment determines the communication network path of the user equipment.The present invention can overcome the problems, such as existing network covering and hot spot capacity, and optimal transmission path is selected for user equipment.The invention also discloses a kind of communication network paths to select system.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of communication network path selection method and system.
Background technology
The coverage area and hot spot capacity of communication system are an important indicators of wireless access system.The following 5G communication systems
System compared to 4G frequency range highers, downlink peak rates faster, since radio wave bears higher road in high frequency compared to low frequency
Diameter is lost and penetration loss, even if user equipment, in service area, the transmission of signal nevertheless suffers from the barriers such as transmission path
Influence, cause service quality to decline, therefore in order to ensure transmission rate, the number of cell base station can only be increased, mend at present it is blind and
Concurrent heating scheme is commonly referenced using fixed relay technology, and operator covers weaker place in existing network by the network planning and consolidates
Dingan County fills relay station, and calculates the performance number of out-trunk transmission, and keeps transmitting of the signal on the power.But fixed relaying
Scheme goes to solve blind spot and hot spot underaction, it is contemplated that the Close relation of vehicle and hot spot, this programme use vehicle-mounted relaying
Scheme, in the car by wireless relay installation, dynamic solves the network coverage.
Relaying is the key technology in LTE-A, and for covering, relaying can effectively fill up covering deficiency and shade dead angle,
For capacity, the channeling gain obtained after being inserted into relaying in cell is mostly come from, for example, in a traditional cell
Two relayings are inserted into, then is equivalent to and is divided into 3 cells, minizone can be naturally fully sharp by channeling a cell
With frequency resource
V-Cell is the relay communications equipment installed after special restructuring on the mobile apparatus, since vehicle is adjoint
Hot spot flowing, the introducing of a large amount of V-Cell can propose higher challenge to system resource allocation, therefore, how for user equipment
It is a urgent problem to be solved to select an optimum transmission path.
Invention content
In view of this, the purpose of the present invention is to provide a kind of communication network path selection method, existing net can be overcome
Network covers and hot spot capacity problem, and optimal transmission path is selected for user equipment.
To achieve the above object, the present invention provides the following technical solutions：A kind of communication network path selection method, is applied to
Several fixed base stations, several mobile relay equipments and user equipment, the method includes：
Obtain the signal-to-noise ratio between each fixed base stations and each mobile relay equipment；
Obtain the signal-to-noise ratio between user equipment and each mobile relay equipment；
Obtain the amount of capacity of each mobile relay equipment；
Based on signal-to-noise ratio, user equipment and each movement between each fixed base stations and each mobile relay equipment
Signal-to-noise ratio between trunking, and each the amount of capacity of mobile relay equipment determines the communication network of the user equipment
Path.
Preferably, signal-to-noise ratio, the Yong Hushe based between each fixed base stations and each mobile relay equipment
Signal-to-noise ratio between standby and each mobile relay equipment, and the amount of capacity of each mobile relay equipment determine that the user sets
Standby communication network path includes：
Based on the signal-to-noise ratio and the user equipment and every between each fixed base stations and each mobile relay equipment
Signal-to-noise ratio between a mobile relay equipment, calculate user equipment to fixed base stations maximum signal to noise ratio；
Judge whether the amount of capacity of mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations is full
Sufficient predetermined threshold value；
When the amount of capacity of mobile relay equipment in the maximum signal to noise ratio path of user equipment to fixed base stations do not meet it is pre-
If when threshold value, using the maximum signal to noise ratio path of user equipment to fixed base stations as the communication network path of user equipment.
Preferably, when the amount of capacity of mobile relay equipment in the maximum signal to noise ratio path of user equipment to fixed base stations is full
When sufficient predetermined threshold value, further include：
The amount of capacity for searching mobile relay equipment in residual paths does not meet the path of predetermined threshold value；
During the amount of capacity of mobile relay equipment does not meet the path of predetermined threshold value in the residual paths of lookup, selection is used
Communication network path of the family equipment to the maximum path of fixed base stations signal-to-noise ratio as user equipment.
Preferably, the method further includes：
User equipment and the communication linkage of fixed base stations are established based on the communication network path of determining user equipment.
A kind of communication network path selection system, is applied to several fixed base stations, several mobile relay equipments and use
Family equipment, the system comprises：
First acquisition module, for obtaining the signal-to-noise ratio between each fixed base stations and each mobile relay equipment；
Second acquisition module, for obtaining the signal-to-noise ratio between user equipment and each mobile relay equipment；
Third acquisition module, the amount of capacity for obtaining each mobile relay equipment；
Determining module, for based on the signal-to-noise ratio between each fixed base stations and each mobile relay equipment, user
Signal-to-noise ratio between equipment and each mobile relay equipment, and the amount of capacity of each mobile relay equipment determine the user
The communication network path of equipment.
Preferably, the determining module includes：
Computing unit, for based on signal-to-noise ratio between each fixed base stations and each mobile relay equipment and described
Signal-to-noise ratio between user equipment and each mobile relay equipment, calculate user equipment to fixed base stations maximum signal to noise ratio；
Judging unit, the appearance for judging mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations
Whether amount size meets predetermined threshold value；
First selecting unit, for when mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations
When amount of capacity does not meet predetermined threshold value, using the maximum signal to noise ratio path of user equipment to fixed base stations as the logical of user equipment
Communication network path.
Preferably, when the amount of capacity of mobile relay equipment in the maximum signal to noise ratio path of user equipment to fixed base stations is full
When sufficient predetermined threshold value, the determining module further includes：
Searching unit, the amount of capacity for searching mobile relay equipment in residual paths do not meet the road of predetermined threshold value
Diameter；
Second selecting unit, the amount of capacity for the mobile relay equipment in the residual paths of lookup do not meet default threshold
In the path of value, communication network path of the user equipment to the maximum path of fixed base stations signal-to-noise ratio as user equipment is selected.
Preferably, the system also includes：
Communication module, for establishing user equipment and fixed base stations based on the communication network path of determining user equipment
Communication linkage.
It can be seen from the above technical proposal that the present invention provides a kind of communication network path selection method, it is applied to several
A fixed base stations, several mobile relay equipments and user equipment are selected when needing the communication network path to user equipment
When selecting, the signal-to-noise ratio between each fixed base stations and each mobile relay equipment is obtained first, then obtains user equipment and every
Then signal-to-noise ratio between a mobile relay equipment obtains the amount of capacity of each mobile relay equipment, be finally based on each solid
Determine the signal-to-noise ratio between signal-to-noise ratio, user equipment and each mobile relay equipment between base station and each mobile relay equipment,
And the amount of capacity of each mobile relay equipment determines the communication network path of user equipment, overcome existing network covering and
Hot spot capacity problem can be that user equipment selects optimal transmission path.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of flow chart of the embodiment 1 of communication network path selection method disclosed by the invention；
Fig. 2 is a kind of flow chart of the embodiment 2 of communication network path selection method disclosed by the invention；
Fig. 3 is a kind of flow chart of the embodiment 3 of communication network path selection method disclosed by the invention；
Fig. 4 is the structural schematic diagram for the embodiment 1 that a kind of communication network path disclosed by the invention selects system；
Fig. 5 is the structural schematic diagram for the embodiment 2 that a kind of communication network path disclosed by the invention selects system；
Fig. 6 is the structural schematic diagram for the embodiment 3 that a kind of communication network path disclosed by the invention selects system.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the flow chart of the embodiment 1 for a kind of communication network path selection method disclosed by the invention, it should
Method is applied to several fixed base stations, several mobile relay equipments and user equipment, and the method may include following steps
Suddenly：
Signal-to-noise ratio between S101, each fixed base stations of acquisition and each mobile relay equipment；
When needing the communication network path to user equipment to select, each fixed base stations and each shifting are obtained first
Signal-to-noise ratio between dynamic trunking, for example, the signal-to-noise ratio A0 between the first fixed base stations and first movement trunking is obtained,
Obtain the signal-to-noise ratio B0 between the first fixed base stations and the second mobile relay equipment.
Signal-to-noise ratio between S102, acquisition user equipment and each mobile relay equipment；
Then the signal-to-noise ratio between user equipment and each mobile relay equipment is obtained simultaneously, for example, obtaining user equipment
Signal-to-noise ratio A1 between first movement trunking obtains the signal-to-noise ratio between user equipment and the second mobile relay equipment
B1。
S103, the amount of capacity for obtaining each mobile relay equipment；
Then the amount of capacity of each mobile relay equipment is further obtained, such as obtains the appearance of first movement trunking
Size XA is measured, the amount of capacity XB of the second mobile relay equipment is obtained.
S104, the signal-to-noise ratio based between each fixed base stations and each mobile relay equipment, user equipment and each shifting
Signal-to-noise ratio between dynamic trunking, and each the amount of capacity of mobile relay equipment determines the communication network of user equipment
Diameter.
Then according between each fixed base stations got and each mobile relay equipment signal-to-noise ratio, user equipment and
Signal-to-noise ratio between each mobile relay equipment, and the amount of capacity of each mobile relay equipment determine user equipment whole
Optimal communication network path in a communication network.
In conclusion in the above-described embodiments, when needing the communication network path to user equipment to select, first
The signal-to-noise ratio between each fixed base stations and each mobile relay equipment is obtained, user equipment and each mobile relay are then obtained
Then signal-to-noise ratio between equipment obtains the amount of capacity of each mobile relay equipment, be finally based on each fixed base stations and every
The signal-to-noise ratio between signal-to-noise ratio, user equipment and each mobile relay equipment between a mobile relay equipment, and each shifting
The amount of capacity of dynamic trunking determines the communication network path of user equipment, overcomes existing network covering and hot spot capacity is asked
Topic can be that user equipment selects optimal transmission path.
As shown in Fig. 2, the flow chart of the embodiment 2 for a kind of communication network path selection method disclosed by the invention, it should
Method is applied to several fixed base stations, several mobile relay equipments and user equipment, and the method may include following steps
Suddenly：
Signal-to-noise ratio between S201, each fixed base stations of acquisition and each mobile relay equipment；
When needing the communication network path to user equipment to select, each fixed base stations and each shifting are obtained first
Signal-to-noise ratio between dynamic trunking, for example, the signal-to-noise ratio A0 between the first fixed base stations and first movement trunking is obtained,
Obtain the signal-to-noise ratio B0 between the first fixed base stations and the second mobile relay equipment.
Signal-to-noise ratio between S202, acquisition user equipment and each mobile relay equipment；
Then the signal-to-noise ratio between user equipment and each mobile relay equipment is obtained simultaneously, for example, obtaining user equipment
Signal-to-noise ratio A1 between first movement trunking obtains the signal-to-noise ratio between user equipment and the second mobile relay equipment
B1。
S203, the amount of capacity for obtaining each mobile relay equipment；
Then the amount of capacity of each mobile relay equipment is further obtained, such as obtains the appearance of first movement trunking
Size XA is measured, the amount of capacity XB of the second mobile relay equipment is obtained.
S204, based between each fixed base stations and each mobile relay equipment signal-to-noise ratio and user equipment and each move
Signal-to-noise ratio between dynamic trunking, calculate user equipment to fixed base stations maximum signal to noise ratio；
For example, the signal-to-noise ratio for calculating user equipment to the first fixed base stations is A0+A1, user equipment is calculated to first
Another signal-to-noise ratio of fixed base stations is B0+B1, judges the size of A0+A1 and B0+B1, when A0+A1 is more than B0+B1, Yong Hushe
The standby maximum signal to noise ratio to fixed base stations is A0+A1.
S205, judge that the amount of capacity of mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations is
It is no to meet predetermined threshold value；
Based on the above-mentioned maximum signal to noise ratio A0+A1 determined, judge user equipment to the maximum signal to noise ratio road of fixed base stations
Whether the amount of capacity of mobile relay equipment meets predetermined threshold value in diameter, that is, judges the amount of capacity XA of first movement trunking
Whether predetermined threshold value is met.
S206, when the amount of capacity of mobile relay equipment in the maximum signal to noise ratio path of user equipment to fixed base stations it is less than
When sufficient predetermined threshold value, using the maximum signal to noise ratio path of user equipment to fixed base stations as the communication network path of user equipment；
When the amount of capacity XA of first movement trunking does not meet predetermined threshold value, user equipment is passed through into first movement
Trunking is determined as the communication network path of user equipment to the path of the first fixed base stations again.
S207, when in the maximum signal to noise ratio path of user equipment to fixed base stations mobile relay equipment amount of capacity meet
When predetermined threshold value, the amount of capacity for searching mobile relay equipment in residual paths does not meet the path of predetermined threshold value；
When the amount of capacity XA of first movement trunking meets predetermined threshold value, show first movement trunking at this time
Capacity be saturated, the amount of capacity for searching mobile relay equipment in residual paths at this time does not meet the path of predetermined threshold value；
S208, during the amount of capacity of mobile relay equipment does not meet the path of predetermined threshold value in the residual paths of lookup,
Select communication network path of the user equipment to the maximum path of fixed base stations signal-to-noise ratio as user equipment.
When the amount of capacity XB of the second mobile relay equipment does not meet predetermined threshold value, user equipment is passed through in the second movement
It is determined as the communication network path of user equipment to the path of the first fixed base stations again after equipment.
As shown in figure 3, the flow chart of the embodiment 3 for a kind of communication network path selection method disclosed by the invention, it should
Method is applied to several fixed base stations, several mobile relay equipments and user equipment, and the method may include following steps
Suddenly：
Signal-to-noise ratio between S301, each fixed base stations of acquisition and each mobile relay equipment；
When needing the communication network path to user equipment to select, each fixed base stations and each shifting are obtained first
Signal-to-noise ratio between dynamic trunking, for example, the signal-to-noise ratio A0 between the first fixed base stations and first movement trunking is obtained,
Obtain the signal-to-noise ratio B0 between the first fixed base stations and the second mobile relay equipment.
Signal-to-noise ratio between S302, acquisition user equipment and each mobile relay equipment；
Then the signal-to-noise ratio between user equipment and each mobile relay equipment is obtained simultaneously, for example, obtaining user equipment
Signal-to-noise ratio A1 between first movement trunking obtains the signal-to-noise ratio between user equipment and the second mobile relay equipment
B1。
S303, the amount of capacity for obtaining each mobile relay equipment；
Then the amount of capacity of each mobile relay equipment is further obtained, such as obtains the appearance of first movement trunking
Size XA is measured, the amount of capacity XB of the second mobile relay equipment is obtained.
S304, based between each fixed base stations and each mobile relay equipment signal-to-noise ratio and user equipment and each move
Signal-to-noise ratio between dynamic trunking, calculate user equipment to fixed base stations maximum signal to noise ratio；
For example, the signal-to-noise ratio for calculating user equipment to the first fixed base stations is A0+A1, user equipment is calculated to first
Another signal-to-noise ratio of fixed base stations is B0+B1, judges the size of A0+A1 and B0+B1, when A0+A1 is more than B0+B1, Yong Hushe
The standby maximum signal to noise ratio to fixed base stations is A0+A1.
S305, judge that the amount of capacity of mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations is
It is no to meet predetermined threshold value；
Based on the above-mentioned maximum signal to noise ratio A0+A1 determined, judge user equipment to the maximum signal to noise ratio road of fixed base stations
Whether the amount of capacity of mobile relay equipment meets predetermined threshold value in diameter, that is, judges the amount of capacity XA of first movement trunking
Whether predetermined threshold value is met.
S306, when the amount of capacity of mobile relay equipment in the maximum signal to noise ratio path of user equipment to fixed base stations it is less than
When sufficient predetermined threshold value, using the maximum signal to noise ratio path of user equipment to fixed base stations as the communication network path of user equipment；
When the amount of capacity XA of first movement trunking does not meet predetermined threshold value, user equipment is passed through into first movement
Trunking is determined as the communication network path of user equipment to the path of the first fixed base stations again.
S307, when in the maximum signal to noise ratio path of user equipment to fixed base stations mobile relay equipment amount of capacity meet
When predetermined threshold value, the amount of capacity for searching mobile relay equipment in residual paths does not meet the path of predetermined threshold value；
When the amount of capacity XA of first movement trunking meets predetermined threshold value, show first movement trunking at this time
Capacity be saturated, the amount of capacity for searching mobile relay equipment in residual paths at this time does not meet the path of predetermined threshold value；
S308, during the amount of capacity of mobile relay equipment does not meet the path of predetermined threshold value in the residual paths of lookup,
Select communication network path of the user equipment to the maximum path of fixed base stations signal-to-noise ratio as user equipment；
When the amount of capacity XB of the second mobile relay equipment does not meet predetermined threshold value, user equipment is passed through in the second movement
It is determined as the communication network path of user equipment to the path of the first fixed base stations again after equipment.
S309, the communication chain that user equipment and fixed base stations are established based on the communication network path of determining user equipment
It connects.
After the communication network path of user equipment is determined, user equipment and the communication linkage of fixed base stations are established, is led to
The communication linkage established is crossed to carry out data transmission.
As shown in figure 4, for a kind of structural representation of the embodiment 1 of communication network path selection system disclosed by the invention
Figure, the system are applied to several fixed base stations, several mobile relay equipments and user equipment, and the system may include：
First acquisition module 401, for obtaining the signal-to-noise ratio between each fixed base stations and each mobile relay equipment；
When needing the communication network path to user equipment to select, each fixed base stations and each shifting are obtained first
Signal-to-noise ratio between dynamic trunking, for example, the signal-to-noise ratio A0 between the first fixed base stations and first movement trunking is obtained,
Obtain the signal-to-noise ratio B0 between the first fixed base stations and the second mobile relay equipment.
Second acquisition module 402, for obtaining the signal-to-noise ratio between user equipment and each mobile relay equipment；
Then the signal-to-noise ratio between user equipment and each mobile relay equipment is obtained simultaneously, for example, obtaining user equipment
Signal-to-noise ratio A1 between first movement trunking obtains the signal-to-noise ratio between user equipment and the second mobile relay equipment
B1。
Third acquisition module 403, the amount of capacity for obtaining each mobile relay equipment；
Then the amount of capacity of each mobile relay equipment is further obtained, such as obtains the appearance of first movement trunking
Size XA is measured, the amount of capacity XB of the second mobile relay equipment is obtained.
Determining module 404, for based on signal-to-noise ratio, the Yong Hushe between each fixed base stations and each mobile relay equipment
Signal-to-noise ratio between standby and each mobile relay equipment, and the amount of capacity of each mobile relay equipment determine user equipment
Communication network path.
Then according between each fixed base stations got and each mobile relay equipment signal-to-noise ratio, user equipment and
Signal-to-noise ratio between each mobile relay equipment, and the amount of capacity of each mobile relay equipment determine user equipment whole
Optimal communication network path in a communication network.
In conclusion in the above-described embodiments, when needing the communication network path to user equipment to select, first
The signal-to-noise ratio between each fixed base stations and each mobile relay equipment is obtained, user equipment and each mobile relay are then obtained
Then signal-to-noise ratio between equipment obtains the amount of capacity of each mobile relay equipment, be finally based on each fixed base stations and every
The signal-to-noise ratio between signal-to-noise ratio, user equipment and each mobile relay equipment between a mobile relay equipment, and each shifting
The amount of capacity of dynamic trunking determines the communication network path of user equipment, overcomes existing network covering and hot spot capacity is asked
Topic can be that user equipment selects optimal transmission path.
As shown in figure 5, for a kind of structural representation of the embodiment 2 of communication network path selection system disclosed by the invention
Figure, the system are applied to several fixed base stations, several mobile relay equipments and user equipment, and the system may include：
First acquisition module 501, for obtaining the signal-to-noise ratio between each fixed base stations and each mobile relay equipment；
When needing the communication network path to user equipment to select, each fixed base stations and each shifting are obtained first
Signal-to-noise ratio between dynamic trunking, for example, the signal-to-noise ratio A0 between the first fixed base stations and first movement trunking is obtained,
Obtain the signal-to-noise ratio B0 between the first fixed base stations and the second mobile relay equipment.
Second acquisition module 502, for obtaining the signal-to-noise ratio between user equipment and each mobile relay equipment；
Then the signal-to-noise ratio between user equipment and each mobile relay equipment is obtained simultaneously, for example, obtaining user equipment
Signal-to-noise ratio A1 between first movement trunking obtains the signal-to-noise ratio between user equipment and the second mobile relay equipment
B1。
Third acquisition module 503, the amount of capacity for obtaining each mobile relay equipment；
Then the amount of capacity of each mobile relay equipment is further obtained, such as obtains the appearance of first movement trunking
Size XA is measured, the amount of capacity XB of the second mobile relay equipment is obtained.
Computing unit 504, for based between each fixed base stations and each mobile relay equipment signal-to-noise ratio and user
Signal-to-noise ratio between equipment and each mobile relay equipment, calculate user equipment to fixed base stations maximum signal to noise ratio；
For example, the signal-to-noise ratio for calculating user equipment to the first fixed base stations is A0+A1, user equipment is calculated to first
Another signal-to-noise ratio of fixed base stations is B0+B1, judges the size of A0+A1 and B0+B1, when A0+A1 is more than B0+B1, Yong Hushe
The standby maximum signal to noise ratio to fixed base stations is A0+A1.
Judging unit 505, for judging mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations
Amount of capacity whether meet predetermined threshold value；
Based on the above-mentioned maximum signal to noise ratio A0+A1 determined, judge user equipment to the maximum signal to noise ratio road of fixed base stations
Whether the amount of capacity of mobile relay equipment meets predetermined threshold value in diameter, that is, judges the amount of capacity XA of first movement trunking
Whether predetermined threshold value is met.
First selecting unit 506, for when in the maximum signal to noise ratio path of user equipment to fixed base stations mobile relay set
When standby amount of capacity does not meet predetermined threshold value, using the maximum signal to noise ratio path of user equipment to fixed base stations as user equipment
Communication network path；
When the amount of capacity XA of first movement trunking does not meet predetermined threshold value, user equipment is passed through into first movement
Trunking is determined as the communication network path of user equipment to the path of the first fixed base stations again.
Searching unit 507, for when mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations
When amount of capacity meets predetermined threshold value, the amount of capacity for searching mobile relay equipment in residual paths does not meet the road of predetermined threshold value
Diameter；
When the amount of capacity XA of first movement trunking meets predetermined threshold value, show first movement trunking at this time
Capacity be saturated, the amount of capacity for searching mobile relay equipment in residual paths at this time does not meet the path of predetermined threshold value；
Second selecting unit 508, the amount of capacity for the mobile relay equipment in the residual paths of lookup do not meet pre-
If in the path of threshold value, selecting communication network of the user equipment to the maximum path of fixed base stations signal-to-noise ratio as user equipment
Diameter.
When the amount of capacity XB of the second mobile relay equipment does not meet predetermined threshold value, user equipment is passed through in the second movement
It is determined as the communication network path of user equipment to the path of the first fixed base stations again after equipment.
As shown in fig. 6, for a kind of structural representation of the embodiment 3 of communication network path selection system disclosed by the invention
Figure, the system are applied to several fixed base stations, several mobile relay equipments and user equipment, and the system may include：
First acquisition module 601, for obtaining the signal-to-noise ratio between each fixed base stations and each mobile relay equipment；
When needing the communication network path to user equipment to select, each fixed base stations and each shifting are obtained first
Signal-to-noise ratio between dynamic trunking, for example, the signal-to-noise ratio A0 between the first fixed base stations and first movement trunking is obtained,
Obtain the signal-to-noise ratio B0 between the first fixed base stations and the second mobile relay equipment.
Second acquisition module 602, for obtaining the signal-to-noise ratio between user equipment and each mobile relay equipment；
Then the signal-to-noise ratio between user equipment and each mobile relay equipment is obtained simultaneously, for example, obtaining user equipment
Signal-to-noise ratio A1 between first movement trunking obtains the signal-to-noise ratio between user equipment and the second mobile relay equipment
B1。
Third acquisition module 603, the amount of capacity for obtaining each mobile relay equipment；
Then the amount of capacity of each mobile relay equipment is further obtained, such as obtains the appearance of first movement trunking
Size XA is measured, the amount of capacity XB of the second mobile relay equipment is obtained.
Computing unit 604, for based between each fixed base stations and each mobile relay equipment signal-to-noise ratio and user
Signal-to-noise ratio between equipment and each mobile relay equipment, calculate user equipment to fixed base stations maximum signal to noise ratio；
For example, the signal-to-noise ratio for calculating user equipment to the first fixed base stations is A0+A1, user equipment is calculated to first
Another signal-to-noise ratio of fixed base stations is B0+B1, judges the size of A0+A1 and B0+B1, when A0+A1 is more than B0+B1, Yong Hushe
The standby maximum signal to noise ratio to fixed base stations is A0+A1.
Judging unit 605, for judging mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations
Amount of capacity whether meet predetermined threshold value；
Based on the above-mentioned maximum signal to noise ratio A0+A1 determined, judge user equipment to the maximum signal to noise ratio road of fixed base stations
Whether the amount of capacity of mobile relay equipment meets predetermined threshold value in diameter, that is, judges the amount of capacity XA of first movement trunking
Whether predetermined threshold value is met.
First selecting unit 606, for when in the maximum signal to noise ratio path of user equipment to fixed base stations mobile relay set
When standby amount of capacity does not meet predetermined threshold value, using the maximum signal to noise ratio path of user equipment to fixed base stations as user equipment
Communication network path；
When the amount of capacity XA of first movement trunking does not meet predetermined threshold value, user equipment is passed through into first movement
Trunking is determined as the communication network path of user equipment to the path of the first fixed base stations again.
Searching unit 607, for when mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations
When amount of capacity meets predetermined threshold value, the amount of capacity for searching mobile relay equipment in residual paths does not meet the road of predetermined threshold value
Diameter；
When the amount of capacity XA of first movement trunking meets predetermined threshold value, show first movement trunking at this time
Capacity be saturated, the amount of capacity for searching mobile relay equipment in residual paths at this time does not meet the path of predetermined threshold value；
Second selecting unit 608, the amount of capacity for the mobile relay equipment in the residual paths of lookup do not meet pre-
If in the path of threshold value, selecting communication network of the user equipment to the maximum path of fixed base stations signal-to-noise ratio as user equipment
Diameter；
When the amount of capacity XB of the second mobile relay equipment does not meet predetermined threshold value, user equipment is passed through in the second movement
It is determined as the communication network path of user equipment to the path of the first fixed base stations again after equipment.
Communication module 609, for establishing user equipment and fixed base based on the communication network path of determining user equipment
The communication linkage stood.
After the communication network path of user equipment is determined, user equipment and the communication linkage of fixed base stations are established, is led to
The communication linkage established is crossed to carry out data transmission.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with it is other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (8)
1. a kind of communication network path selection method, which is characterized in that be applied to several fixed base stations, several mobile relays
Equipment and user equipment, the method includes：
Obtain the signal-to-noise ratio between each fixed base stations and each mobile relay equipment；
Obtain the signal-to-noise ratio between user equipment and each mobile relay equipment；
Obtain the amount of capacity of each mobile relay equipment；
Based on signal-to-noise ratio, user equipment and each mobile relay between each fixed base stations and each mobile relay equipment
Signal-to-noise ratio between equipment, and each the amount of capacity of mobile relay equipment determines the communication network of the user equipment
Diameter.
2. according to the method described in claim 1, it is characterized in that, described based in each fixed base stations and each movement
Signal-to-noise ratio between signal-to-noise ratio, user equipment and each mobile relay equipment between equipment, and each mobile relay are set
Standby amount of capacity determines that the communication network path of the user equipment includes：
Based between each fixed base stations and each mobile relay equipment signal-to-noise ratio and the user equipment and each move
Signal-to-noise ratio between dynamic trunking, calculate user equipment to fixed base stations maximum signal to noise ratio；
It is pre- to judge whether the amount of capacity of mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations meets
If threshold value；
When the amount of capacity of mobile relay equipment in the maximum signal to noise ratio path of user equipment to fixed base stations does not meet default threshold
When value, using the maximum signal to noise ratio path of user equipment to fixed base stations as the communication network path of user equipment.
3. according to the method described in claim 2, it is characterized in that, when user equipment to the maximum signal to noise ratio path of fixed base stations
When the amount of capacity of middle mobile relay equipment meets predetermined threshold value, further include：
The amount of capacity for searching mobile relay equipment in residual paths does not meet the path of predetermined threshold value；
During the amount of capacity of mobile relay equipment does not meet the path of predetermined threshold value in the residual paths of lookup, user is selected to set
It is standby to arrive communication network path of the maximum path of fixed base stations signal-to-noise ratio as user equipment.
4. according to the method described in claim 3, it is characterized in that, further including：
User equipment and the communication linkage of fixed base stations are established based on the communication network path of determining user equipment.
5. a kind of communication network path selects system, which is characterized in that be applied to several fixed base stations, several mobile relays
Equipment and user equipment, the system comprises：
First acquisition module, for obtaining the signal-to-noise ratio between each fixed base stations and each mobile relay equipment；
Second acquisition module, for obtaining the signal-to-noise ratio between user equipment and each mobile relay equipment；
Third acquisition module, the amount of capacity for obtaining each mobile relay equipment；
Determining module, for based on signal-to-noise ratio, the user equipment between each fixed base stations and each mobile relay equipment
Signal-to-noise ratio between each mobile relay equipment, and the amount of capacity of each mobile relay equipment determine the user equipment
Communication network path.
6. system according to claim 5, which is characterized in that the determining module includes：
Computing unit, for based between each fixed base stations and each mobile relay equipment signal-to-noise ratio and the user
Signal-to-noise ratio between equipment and each mobile relay equipment, calculate user equipment to fixed base stations maximum signal to noise ratio；
Judging unit, the capacity for judging mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations are big
It is small whether to meet predetermined threshold value；
First selecting unit, for the capacity when mobile relay equipment in user equipment to the maximum signal to noise ratio path of fixed base stations
When size does not meet predetermined threshold value, using the maximum signal to noise ratio path of user equipment to fixed base stations as the communication network of user equipment
Network path.
7. system according to claim 6, which is characterized in that when the maximum signal to noise ratio path of user equipment to fixed base stations
When the amount of capacity of middle mobile relay equipment meets predetermined threshold value, the determining module further includes：
Searching unit, the amount of capacity for searching mobile relay equipment in residual paths do not meet the path of predetermined threshold value；
Second selecting unit, in the residual paths of lookup the amount of capacity of mobile relay equipment do not meet predetermined threshold value
In path, communication network path of the user equipment to the maximum path of fixed base stations signal-to-noise ratio as user equipment is selected.
8. system according to claim 7, which is characterized in that further include：Communication module, for being set based on determining user
User equipment and the communication linkage of fixed base stations are established in standby communication network path.
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