CN106304227A - The cut-in method of a kind of satellite communications link and access terminal - Google Patents
The cut-in method of a kind of satellite communications link and access terminal Download PDFInfo
- Publication number
- CN106304227A CN106304227A CN201510251172.0A CN201510251172A CN106304227A CN 106304227 A CN106304227 A CN 106304227A CN 201510251172 A CN201510251172 A CN 201510251172A CN 106304227 A CN106304227 A CN 106304227A
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- community
- link
- signal
- satellite
- carrying
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 title claims abstract description 14
- 230000001413 cellular effect Effects 0.000 claims abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 235000019892 Stellar Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/06—Access restriction performed under specific conditions based on traffic conditions
-
- 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
Abstract
The invention discloses cut-in method and the access terminal of a kind of satellite communications link, relate to satellite communication and radio honeycomb mobile communication technology field.The inventive method includes: under cellular system, AT receives cell signal；When AT receives multiple cell signal, when including the community that community bearing link type is satellite link carrying and wire link carrying, if the signal of the community of satellite link carrying is the strongest in multiple cell signals, AT determines that the community that wire link carries all is unsatisfactory for imposing a condition, then access the community of satellite link carrying；Wherein, impose a condition and include that the signal of community accesses thresholding more than or equal to minimum ratio of making an uproar, and cell load information is non-overloaded.The invention also discloses a kind of access terminal AT.Technical scheme optimizes satellite link access bearer resource capacity and maximizes, and makes satellite link access bearer resource rationally be applied.
Description
Technical field
The present invention relates to satellite communication and radio honeycomb mobile communication technology field, particularly relate to one and defend
The cut-in method of star communication link and access terminal.
Background technology
At present 2G 3G the cellular system such as 4G access the bearing mode of Internet and have multiple, wherein apply
Many access bearers are to be accessed by cable network, but some are unfavorable for wired chain to Yu Haiyang, plateau etc.
The application scenarios of road carrying engineering construction, typically can use satellite link carrying to solve.Because satellite provides
Source is very limited, and equipment is much more expensive, when satellite link is applied to cellular system access bearer,
Its application resource is the most valuable, so its link capacity must be controlled reasonably maximized application.
It is coated with when wired carrying access network nodes and satellite link carry access network nodes signal physics
During overlapping region, how overlapping region AT (Access Terminal) selects service access network node non-
The most important, if selecting wired carrying access network nodes, rare satellite link money can be not take up
Source, if selecting satellite link carrying access network nodes, will take satellite link resource.At present
2G 3G under the cellular system such as 4G, when AT receives the signal of multiple access network nodes community, one
As by signal to noise ratio select target access community, system can select the preferable community of signal to noise ratio under normal circumstances
Community is accessed, the user of both the above bearing link physics covering overlapping area, if defended as target
Stellar chain road access node signal to noise ratio is good, will directly select satellite link carrying access node little as service
District, so may result in satellite link resource and can not get effective and reasonable application.
Summary of the invention
The technical problem to be solved is to provide the cut-in method of a kind of satellite communications link and connects
Enter terminal, with solve uncontrollable rare satellite link bearing resource in prior art obtain rationalize should
Problem.
In order to solve above-mentioned technical problem, the invention discloses the cut-in method of a kind of satellite communications link,
The method includes:
Under cellular system, access terminal AT receives cell signal；
When described AT receives multiple cell signal, the plurality of community includes community bearing link
When type is the community of satellite link carrying and wire link carrying, if described community bearing link type is
The signal of the community of satellite link carrying is the strongest in the plurality of cell signal, and described AT determines described
Community bearing link type is that the community of wire link carrying is all unsatisfactory for imposing a condition, and accesses described satellite
The community of link carrying；
Wherein, described in impose a condition and include that the signal of community accesses thresholding more than or equal to minimum ratio of making an uproar, and
Cell load information is non-overloaded.
Alternatively, said method also includes:
If the signal of the community of described satellite link carrying is the strongest in the plurality of cell signal, described AT
Determine that, when existence meets the community imposed a condition in the community that described wire link carries, described AT accesses
Meet the community of the wire link carrying of setting member.
Alternatively, in said method, described AT accesses the community of the wire link carrying meeting setting member
Including:
If there is multiple community meeting and imposing a condition in the community of described wire link carrying, described AT
Access and meet the community that in the community that the wire link imposed a condition carries, signal is the strongest.
Alternatively, said method also includes:
Described AT receives the community Overhead under wireless cellular system, by described community Overhead
Obtain community bearing link type and/or the cell load information of each community.
The invention also discloses a kind of access terminal AT, including:
Receive unit, receive cell signal；
Access unit, when described reception unit receives multiple cell signal, and the plurality of community includes
During the community having community bearing link type to be satellite link carrying and wire link carrying, if described community
Bearing link type is that the signal of the community of satellite link carrying is the strongest, really in the plurality of cell signal
Fixed described community bearing link type is that the community of wire link carrying is all unsatisfactory for imposing a condition, and accesses institute
State the community of satellite link carrying；
Wherein, described in impose a condition and include that the signal of community accesses thresholding more than or equal to minimum ratio of making an uproar, and
Cell load information is non-overloaded.
Alternatively, in above-mentioned access terminal, described access unit, in the community that described satellite link carries
Signal the strongest in the plurality of cell signal, determining to exist in the community that described wire link carry expires
The community that foot imposes a condition, then access the community of the wire link carrying meeting setting member.
Alternatively, in above-mentioned access terminal, described access unit, in the community that described wire link carries
Middle exist multiple meet impose a condition community time, access meet impose a condition wire link carrying little
The community that in district, signal is the strongest.
Alternatively, in above-mentioned access terminal, described reception unit, also receive under wireless cellular system is little
District's Overhead, obtains the community bearing link type of each community and/or little by described community Overhead
District's load information.
Technical scheme combines satellite communications link feature and wireless cellular system Principle of Communication, design
A kind of access scheme of satellite communications link application maximum capacity, its be applicable to WIFI and
The wireless cellular systems such as 2G 3G 4G, under multiple link networking application covering scene, pass through the program
Optimize satellite link access bearer resource capacity to maximize, make satellite link access bearer resource obtain rationally
Application.
Accompanying drawing explanation
Fig. 1 is to realize the process chart that satellite communications link accesses in the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing pair
Technical solution of the present invention is described in further detail.It should be noted that in the case of not conflicting, this
Feature in the embodiment of application and embodiment can arbitrarily be mutually combined.
Embodiment 1
The present embodiment provides the cut-in method of a kind of satellite communications link, mainly includes operating as follows:
Under cellular system, AT receives cell signal；
When AT receives multiple cell signal, including community bearing link type in these multiple communities is
During the community that satellite link carrying and wire link carry, if community bearing link type is satellite link
The signal of the community of carrying is the strongest in these multiple cell signals, then AT determines community bearing link class
Type is that the community of wire link carrying is all unsatisfactory for imposing a condition, and just can access the community of satellite link carrying.
Wherein, impose a condition and include that the signal of community accesses thresholding, and community more than or equal to minimum ratio of making an uproar
Load information is non-overloaded.
Correspondingly, the signal of the community of satellite link carrying is the strongest in these multiple cell signals, but only
The community of wire link to be determined carrying exists and meets the community imposed a condition, then AT will access
Meet the community of the wire link carrying of setting member.If it should also be noted that wire link carrying is little
District exists and multiple meets the community that imposes a condition, then AT can access and meet impose a condition wired
The community that in the community of link carrying, signal is the strongest.
It addition, AT can receive the community Overhead under wireless cellular system, open from the community received
The community bearing link type of the pin each community of acquisition of information and/or cell load information.Such as, community expense
Information small area configuration information indicate bearing link Type C ellLinkType that each community used (if any
Wired link carrying, satellite link carrying etc..
From the present embodiment it can be seen that the application is in order to realize wireless telecommunication system multiple bearing link networking
Application covering scene under, improve the reasonable application of satellite link bearing resource, increase community bearing link
Type designation information CellLinkType, cell load information and the minimum signal-noise ratio threshold that accesses select clothes
Business community.The detailed process of method that the present embodiment provides is described below by way of Fig. 1.Below to concrete real
The mode of executing is described in detail, but not as limiting to the invention.
As it is shown in figure 1, by increasing community bearing link type designation information in implementing for the present invention
CellLinkType, cell load information CellOverLoad and minimum access signal-noise ratio threshold
MinAccessSNRThreshold, selects the process chart of Serving cell.Comprise the following steps:
Step 101, access network is opened satellite link capacity applications and is maximized function；
Step 102, (minimum signal to noise ratio accesses access network configuration user MinAccessSNRThreshold
Selecting thresholding, default value is-75, unit dbm)；
Step 103, access network configuration CellLinkType (community bearing link type designation) parameter；
Such as, CellLinkType value is to represent that satellite link carries when 1, and CellLinkType value is 0
Time represent that common wireline link carries；
Step 104, access network adjudicates cell load, little according to the access customer number of each community
District's Overhead Message sends CellOverLoad (cell-overload) parameter；
Such as, the access customer number of community beyond preset LoadMaxUseNum (load maximum number of user,
Default setting 50, this value can be arranged according to different wireless system cell number of users loading conditions), that
CellOverLoad parameter value is 1, represents this cell-overload, and otherwise this value is 0, represents non-overloaded；
Whether step 105, when AT has multiple candidate set cells, first have in detection candidate set cells
CellLinkType value is the community of the satellite link carrying of 1, if it has, enter step 106 to process stream
Journey, otherwise enters step 109 process ends, according to existing community access process；
Step 106, AT compares candidate set cells signal to noise ratio, if the community signal to noise ratio of satellite link carrying
Best, it is judged that whether the community of non-satellite link carrying (being wire link carrying in this example) exists
There is the community that signal to noise ratio is more than or equal to MinAccessSNRThreshold, if it is, enter step
107 process, and otherwise access the community of satellite link carrying；
Step 107, the AT detection signal-to-noise ratio non-satellite more than or equal to MinAccessSNRThreshold
Whether the community of link carrying transships, and i.e. judges whether CellOverLoad parameter value is 0, if it is,
Enter step 108, otherwise access the community of satellite link carrying；
It is noted that if signal to noise ratio is more than or equal to the non-satellite of MinAccessSNRThreshold
The community of link carrying has multiple, then AT detects these communities successively and transships, and appoints as long as having
Individual community nonoverload, then enter step 108, if all transshipped, then accesses the little of satellite link carrying
District.
Step 108, rejects the community of this satellite link carrying, enters other candidates in AT candidate set cells
Collection community proceeds to access selection；
Step 109, access network is opened satellite link capacity applications maximization function and is terminated.
Embodiment 2
The present embodiment provides a kind of access terminal AT, mainly includes following each unit.
Receive unit, receive cell signal；
Access unit, receives multiple cell signal receiving unit, includes community in these multiple communities
When bearing link type is the community of satellite link carrying and wire link carrying, determine described little area carrier
Linktype is that the signal of the community of satellite link carrying is the strongest in multiple cell signals, and Jin Dang holds community
Carry the community that Linktype is wire link carrying to be all unsatisfactory for imposing a condition, just access satellite link carrying
Community；
Wherein, impose a condition and include that the signal of community accesses thresholding, and community more than or equal to minimum ratio of making an uproar
Load information is non-overloaded.
Correspondingly, the signal in the community of satellite link carrying is the strongest in multiple cell signals, but determines
When there are the satisfied community imposed a condition in the community of wire link carrying, above-mentioned access unit then accesses
Meet the community of the wire link carrying of setting member.
Be noted that wire link carrying community in exist multiple meet impose a condition community time,
Access unit can access the community that in the community meeting the wire link carrying imposed a condition, signal is the strongest.
It addition, above-mentioned reception unit, it is also possible to receive the community Overhead under wireless cellular system, from
The community Overhead received obtains community bearing link type and/or the cell load letter of each community
Breath.
The method that can realize above-described embodiment 1 offer due to the access terminal of the present embodiment offer, therefore for
In the present embodiment, other detailed descriptions of access terminal can be found in the corresponding contents of above-described embodiment 1, at this
Repeat no more.
One of ordinary skill in the art will appreciate that all or part of step in said method can pass through program
Instructing related hardware to complete, described program can be stored in computer-readable recording medium, as read-only
Memorizer, disk or CD etc..Alternatively, all or part of step of above-described embodiment can also use
One or more integrated circuits realize.Correspondingly, each module/unit in above-described embodiment can use
The form of hardware realizes, it would however also be possible to employ the form of software function module realizes.The application is not restricted to appoint
The combination of the hardware and software of what particular form.
The above, the only preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention
Enclose.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done,
Should be included within the scope of the present invention.
Claims (8)
1. the cut-in method of a satellite communications link, it is characterised in that the method includes:
Under cellular system, access terminal AT receives cell signal；
When described AT receives multiple cell signal, the plurality of community includes community bearing link
When type is the community of satellite link carrying and wire link carrying, if described community bearing link type is
The signal of the community of satellite link carrying is the strongest in the plurality of cell signal, and described AT determines described
Community bearing link type is that the community of wire link carrying is all unsatisfactory for imposing a condition, and accesses described satellite
The community of link carrying；
Wherein, described in impose a condition and include that the signal of community accesses thresholding more than or equal to minimum ratio of making an uproar, and
Cell load information is non-overloaded.
2. the method for claim 1, it is characterised in that the method also includes:
If the signal of the community of described satellite link carrying is the strongest in the plurality of cell signal, described AT
Determine that, when existence meets the community imposed a condition in the community that described wire link carries, described AT accesses
Meet the community of the wire link carrying of setting member.
3. method as claimed in claim 2, it is characterised in that described AT accesses and meets setting member
The community of wire link carrying includes:
If there is multiple community meeting and imposing a condition in the community of described wire link carrying, described AT
Access and meet the community that in the community that the wire link imposed a condition carries, signal is the strongest.
4. the method as described in any one of claims 1 to 3, it is characterised in that the method also includes:
Described AT receives the community Overhead under wireless cellular system, by described community Overhead
Obtain community bearing link type and/or the cell load information of each community.
5. an access terminal AT, it is characterised in that including:
Receive unit, receive cell signal；
Access unit, when described reception unit receives multiple cell signal, and the plurality of community includes
During the community having community bearing link type to be satellite link carrying and wire link carrying, if described community
Bearing link type is that the signal of the community of satellite link carrying is the strongest, really in the plurality of cell signal
Fixed described community bearing link type is that the community of wire link carrying is all unsatisfactory for imposing a condition, and accesses institute
State the community of satellite link carrying；
Wherein, described in impose a condition and include that the signal of community accesses thresholding more than or equal to minimum ratio of making an uproar, and
Cell load information is non-overloaded.
6. access terminal as claimed in claim 5, it is characterised in that
Described access unit, the signal in the community that described satellite link carries is at the plurality of cell signal
In the strongest, determine and the community that described wire link carry exist the satisfied community imposed a condition, then access
Meet the community of the wire link carrying of setting member.
7. access terminal as claimed in claim 6, it is characterised in that
Described access unit, exist in the community that described wire link carries multiple meet impose a condition
During community, access the community that in the community meeting the wire link carrying imposed a condition, signal is the strongest.
8. the access terminal as described in any one of claim 5 to 7, it is characterised in that
Described reception unit, also receives the community Overhead under wireless cellular system, by described community
Overhead obtains community bearing link type and/or the cell load information of each community.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251172.0A CN106304227A (en) | 2015-05-15 | 2015-05-15 | The cut-in method of a kind of satellite communications link and access terminal |
| PCT/CN2015/093441 WO2016184040A1 (en) | 2015-05-15 | 2015-10-30 | Access method and access terminal for satellite communication link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251172.0A CN106304227A (en) | 2015-05-15 | 2015-05-15 | The cut-in method of a kind of satellite communications link and access terminal |
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| Publication Number | Publication Date |
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| CN106304227A true CN106304227A (en) | 2017-01-04 |
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| CN201510251172.0A Pending CN106304227A (en) | 2015-05-15 | 2015-05-15 | The cut-in method of a kind of satellite communications link and access terminal |
Country Status (2)
| Country | Link |
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| CN (1) | CN106304227A (en) |
| WO (1) | WO2016184040A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342469A (en) * | 2019-09-12 | 2022-04-12 | 华为技术有限公司 | Cell selection method and communication device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11477787B2 (en) * | 2019-09-13 | 2022-10-18 | Aalyria Technologies, Inc. | Dynamic spectrum sharing between coverage types |
| US11463843B2 (en) * | 2020-05-07 | 2022-10-04 | Qualcomm Incorporated | Methods and apparatus for concurrent operation of SPS receiver and wireless transmitter |
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| CN101682871A (en) * | 2007-06-15 | 2010-03-24 | 高通股份有限公司 | Method, device and system for cell selection in wireless system |
| CN101933365A (en) * | 2008-01-30 | 2010-12-29 | 高通股份有限公司 | Serving cell selection in wireless communications |
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2015
- 2015-05-15 CN CN201510251172.0A patent/CN106304227A/en active Pending
- 2015-10-30 WO PCT/CN2015/093441 patent/WO2016184040A1/en active Application Filing
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| CN101682871A (en) * | 2007-06-15 | 2010-03-24 | 高通股份有限公司 | Method, device and system for cell selection in wireless system |
| US20140362695A1 (en) * | 2007-12-21 | 2014-12-11 | Qualcomm Incorporated | Downlink flow control |
| CN101933365A (en) * | 2008-01-30 | 2010-12-29 | 高通股份有限公司 | Serving cell selection in wireless communications |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342469A (en) * | 2019-09-12 | 2022-04-12 | 华为技术有限公司 | Cell selection method and communication device |
| CN114342469B (en) * | 2019-09-12 | 2024-01-30 | 华为技术有限公司 | Cell selection method and communication device |
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| Publication number | Publication date |
|---|---|
| WO2016184040A1 (en) | 2016-11-24 |
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Application publication date: 20170104 |