CN104581776B - Mobile relay and its system and the method for adjacent area self-optimizing - Google Patents
Mobile relay and its system and the method for adjacent area self-optimizing Download PDFInfo
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- CN104581776B CN104581776B CN201310505106.2A CN201310505106A CN104581776B CN 104581776 B CN104581776 B CN 104581776B CN 201310505106 A CN201310505106 A CN 201310505106A CN 104581776 B CN104581776 B CN 104581776B
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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
Abstract
The invention discloses a kind of mobile relay and its system and the methods of adjacent area self-optimizing, are related to wireless communication field.This method includes：Mobile relay finds the speed of train where it less than default first thresholding, and when receiving donor base station and indicating that its overlay area can configure dynamic neighboring BS relationship in broadcast message, starts neighboring BS relationship adding procedure；Mobile relay obtains 2G the or 3G neighboring BS information of donor base station by the broadcast message of donor base station, and effective 2G or 3G adjacent areas therein are added in the dynamic neighboring cell list of itself；Mobile relay establishes neighboring BS relationship with 2G the or 3G adjacent areas in its dynamic neighboring cell list.Mobile relay of the present invention passes through perception, measurement and information interaction between nodes certainly, mobile relay is allow to add the neighboring BS relationship of LTE/3G/2G cells in macro base station automatically when train drives into and is driven out to station, whole process reduces O＆M cost without manually participating in.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of mobile relay and its side of system and adjacent area self-optimizing
Method.
Background technology
The significant challenge that wireless communication scene faces in high-speed railway scene for example has：
Doppler effect：When there is Doppler effect during relative motion, will be generated, being received between transmitter and receiver
A difference is generated between the signal frequency that the signal frequency and transmitter that machine receives are sent, frequency departure can cause to receive
There is phase place in data symbol, and then influences the accuracy of data demodulation.
Mobile management：The high-speed mobile scenes such as high-speed railway are compared with common scenarios, since translational speed is very high,
Residence time is very short in each cell coverage area on the way.Normal switching/gravity treatment between base station develop into frequent switching/
Gravity treatment so as to influence the use of voice and data service, reduces user experience.
Problem is lost in car body：User is in the train of high-speed mobile, and bullet train is all using closing metal car body.From road
The metal car body that the signal of other base station penetrates closing can cause larger loss, with the CRH1 types train and CRH5 in China's high ferro
Exemplified by type train, the penetration loss of 2G frequency ranges has reached 22dB, in order to overcome car body penetration loss, it is desirable that outdoor signal transmitting
Acc power enhances, it is desirable that higher base station receiver sensitivity or the transmitting signal enhancing for requiring user terminal.
In view of following Long Term Evolution（Long Term Evolution, abbreviation LTE）And follow-up evolvement network is in high ferro
Application in scene, 3GPP have carried out mobile relay in R11（Mobile Relay, abbreviation MR）Research on standard, thought
Mainly utilize relaying（Relay）Technology solves the voice-and-data business number of the terminal user in compartment in high ferro covering scene
According to the problem of rate is low, user experiences difference.Mobile relay requires to support a variety of technologies of eating dishes without rice or wine in R11（Multi-RAT
Support）, but since the network architecture of 2G/3G is different from LTE, up to the present there are no a kind of designs of framework
Method.
Mobile relay is deployed in bullet train, and the support of a variety of technologies of eating dishes without rice or wine is provided for the terminal user in compartment,
For terminal, mobile relay is equivalent to a cell.Mobile relay is sent to the terminal data received by eating dishes without rice or wine
In the macro base station of Along Railway.As shown in Figure 1, mobile relay, as fixed relay, there are three types of links of eating dishes without rice or wine for tool：In high ferro
In the link of user terminal to mobile relay be known as access link（Access Link）, the chain road in addition to LTE technologies,
It can also support that 2G/3G etc. eats dishes without rice or wine technology, such as, it is necessary to support EV-DO for CDMA2000 operators（Evolution
DataOnly）And 1X.Mobile relay is to donor base station（Donor eNodeB, abbreviation DeNB）Link be known as back haul link
（Backhual Link）, this link use LTE access technology of eating dishes without rice or wine.DeNB eats dishes without rice or wine with the other users near railway
Link is known as direct link（Direct Link）.
On the move Home eNodeB can be taken after support 2G/3G framework models in system（Femto）Pattern, such as Fig. 2 institutes
Show.Mobile relay includes home base station access point（Femto Access Point, abbreviation FAP）Function, wherein FAP integrates base
Station control（BSC）And base station transceiver（BTS）Major function, include Packet Control Function（PCF）, and it is linked into code point
Multiple access（CDMA）Core network, FAP at least support the omni cell of 2 carrier frequency, one of them is 1X carrier frequency, the other is HRPD
Rev.A carrier frequency, the so Femto can provide for the 1X user in compartment and EV-DO user and eat dishes without rice or wine to support, mobile relay handle connects
The 2G/3G data of receipts are sent to using Backhaul link in DeNB, the equipment that DeNB is forwarded to core-network side after treatment
Femto gateway（Femto GateWay, abbreviation FGW）, wherein FGW is the gateway device of Femto systems, plays convergence
FAP and the effect for being connected to core net mainly include the letter of interface convergence and Signalling conversion function, such user and FAP
Data is made to be linked by FGW in core net, as shown in Figure 3.
Rational adjacent area sets the success rate for ensureing switching, and there is important role in the search time for reducing user.
For the fixed conventional cell in position, neighboring BS relationship is typically to be carried out by way of the network planning or the network optimization
Configuration.And mobile relay is a mobile cell, train pass through scope in can there is substantial amounts of base station covering and
Some stations may be stopped in way, therefore how to be macro base station and mobile relay and configures a suitable adjacent area, ensure terminal
It is particularly important for operator that user does not occur the negative effect such as call drop during upper Train.Current mobile relay
Neighboring BS relationship optimization in system is primarily present problems with：
1. adjacent area number of species is more：It can be experienced at a high speed to solve different types of terminal user in high ferro operation
Data and voice service, mobile relay needs to support a variety of standards of eating dishes without rice or wine such as LTE/3G/2G simultaneously, therefore each standard is all deposited
Neighboring BS relationship optimization between the different community controlled in macro base station and mobile relay, and high ferro in the process of running can
By many bus stops, and station daily can there are many high ferro stop, so if taking previous manual configuration adjacent area
Relation can then greatly increase the workload of operation maintenance personnel.
It is difficult that 2. train stops acquisition of information：Since operator and railway department belong to two independent systems, it is difficult in advance
Know the working line and bus stop of each train, therefore can not possibly in advance match somebody with somebody for the macro base station near each train or platform
It is either train or macro base station configuring adjacent cell relation in the way of fixed time period to put neighboring BS relationship.
3.2G/3G macrocells can not perceive mobile relay cell：The discovery of adjacent cell can take ANR in LTE standard
Mode carry out, but the base station functions partial deployment of Mobile Relay is in compartment, and not only mobile relay is sent out
It penetrates that power is smaller and high-iron carriage wears that damage is very big, therefore extraneous user is difficult to be found in advance by ANR measurements
The cell of 2G/3G completes the self-optimizing of neighboring BS relationship in Mobile Relay.
The content of the invention
A technical problem to be solved of the embodiment of the present invention is：It is automatically excellent to solve neighboring BS relationship in mobile-relay system
The problem of change.
One side according to embodiments of the present invention proposes a kind of on the move after the side that adjacent area self-optimizing is carried out in system
Method, including：Speed of train is less than default first thresholding where mobile relay finds it, and receives donor base station wide
It broadcasts when indicating that its overlay area can configure dynamic neighboring BS relationship in message, starts neighboring BS relationship adding procedure；Mobile relay leads to
The broadcast message for crossing donor base station obtains 2G the or 3G neighboring BS information of donor base station, and effective 2G or 3G adjacent areas therein are added
It is added in the dynamic neighboring cell list of itself；Mobile relay establishes neighboring BS relationship with 2G the or 3G adjacent areas in its dynamic neighboring cell list.
In one embodiment of adjacent area self-organization method, mobile relay passes through location technology or mobile relay and alms giver
Doppler frequency shift between base station is come the speed of train where finding it.
In one embodiment of adjacent area self-organization method, if the overlay area of donor base station is platform, alms giver's base
It stands and indicates that its overlay area can configure dynamic neighboring BS relationship in its broadcast message.
In one embodiment of adjacent area self-organization method, mobile relay is according to the signal strength of cell and/or signal matter
Amount filters out effective 2G or 3G adjacent areas from 2G the or 3G adjacent areas of donor base station.
In one embodiment of adjacent area self-organization method, mobile relay and 2G the or 3G adjacent areas in its dynamic neighboring cell list
Neighboring BS relationship is established to specifically include：Mobile relay sends neighboring BS relationship to donor base station and establishes message, and neighboring BS relationship foundation disappears
The content of breath includes：Need to establish mark, the mark of the 2G or 3G cells of mobile relay control of 2G the or 3G adjacent areas of neighboring BS relationship
The sign that knowledge and neighboring BS relationship are established；Neighboring BS relationship is established message and is sent to mobility management entity by donor base station；
Neighboring BS relationship is established 2G the or 3G nodes that message is sent to preconfigured 2G or 3G adjacent areas by mobility management entity, therein
Preconfigured 2G or 3G adjacent areas are that have the possible 2G or 3G adjacent areas of covering；2G or 3G nodes check that neighboring BS relationship is established in message
Need establish 2G the or 3G adjacent areas of neighboring BS relationship and identify whether to match with the mark of oneself, abandon the neighbour if mismatching
Cell relation establishes message, the mark for the 2G or 3G cells for controlling the mobile relay that neighboring BS relationship is established in message if matching
It is added in the dynamic neighboring cell list of oneself.
In one embodiment of adjacent area self-organization method, mobile relay adds PCI the and ECGI information of donor base station
Into the dynamic neighboring cell list of oneself.
In one embodiment of adjacent area self-organization method, after mobile relay discovery switches out donor base station coverage,
Delete neighboring BS relationship all in its dynamic neighboring cell list.
In one embodiment of adjacent area self-organization method, mobile relay is indicated that it is to donor base station hair message in movement
After, and the PCI and ECGI of the LTE cells controlled are sent to donor base station, and donor base station finds mobile relay speed
After default second thresholding, addition mobile relay is as the dynamic adjacent area of oneself；Donor base station finds mobile relay switching
Go out its coverage, then delete the neighboring BS relationship with mobile relay.
In one embodiment of adjacent area self-organization method, 2G the or 3G nodes of 2G or 3G adjacent areas find that its dynamic adjacent area is deposited
In the time more than default 3rd thresholding, and switch in follow-up the 4th thresholding of a period of time without user and record, then from certainly
The dynamic adjacent area is deleted in the dynamic neighboring cell list of body.
Another aspect according to embodiments of the present invention proposes a kind of mobile relay, including：Neighboring BS relationship start unit,
For finding the speed of mobile relay place train less than default first thresholding, and receive donor base station and broadcasting the message
When middle its overlay area of instruction can configure dynamic neighboring BS relationship, start neighboring BS relationship adding procedure；Adjacent area finds unit, is used for
2G the or 3G neighboring BS information of donor base station is obtained by the broadcast message of donor base station, and by effective 2G or 3G adjacent areas therein
It is added in the dynamic neighboring cell list of itself；Unit is established in adjacent area, for the 2G or 3G in mobile relay dynamic neighboring cell list
Neighboring BS relationship is established in adjacent area.
On the move after one embodiment in, further include:Speed finds unit, for passing through location technology or movement
It relays the Doppler frequency shift between donor base station to find the speed of its place train.
On the move after one embodiment in, adjacent area find unit, be additionally operable to the signal strength and/or letter according to cell
Number quality filters out effective 2G or 3G adjacent areas from 2G the or 3G adjacent areas of donor base station.
On the move after one embodiment in, adjacent area find unit, be additionally operable to PCI the and ECGI information of donor base station
It is added in the dynamic neighboring cell list of oneself.
On the move after one embodiment in, unit is established in adjacent area, specifically for donor base station send neighboring BS relationship
Message is established, the content which establishes message includes：Need to establish identifying, moving for the 2G or 3G adjacent areas of neighboring BS relationship
The sign that the mark and neighboring BS relationship of 2G the or 3G cells of relay and control are established, so that donor base station builds neighboring BS relationship
Vertical message is sent to mobility management entity（Mobility Management Entity, abbreviation MME）, mobility management entity
Neighboring BS relationship is established into 2G the or 3G nodes that message is sent to preconfigured 2G or 3G adjacent areas, preconfigured 2G therein or
3G adjacent areas are that have the possible 2G or 3G adjacent areas of covering, 2G or 3G nodes check neighboring BS relationship establish in message need establish adjacent area
2G the or 3G adjacent areas of relation identify whether to match with the mark of oneself, and neighboring BS relationship foundation is abandoned if mismatching and is disappeared
Breath, the mark for the 2G or 3G cells for controlling the mobile relay that neighboring BS relationship is established in message if matching are added to oneself
In dynamic neighboring cell list.
On the move after one embodiment in, further include：Unit is deleted in adjacent area, is applied for finding that mobile relay switches out
After master base station coverage, neighboring BS relationship all in mobile relay dynamic neighboring cell list is deleted.
Another aspect according to embodiments of the present invention proposes a kind of mobile-relay system, including：Foregoing mobile relay with
And donor base station, donor base station broadcast the message for sending, it is dynamic by the way that whether its overlay area of instruction that broadcasts the message can configure
State neighboring BS relationship, and broadcast 2G the or 3G neighboring BS information of oneself.
On the move after in one embodiment of system, if the overlay area of donor base station is platform, donor base station
Indicate that its overlay area can configure dynamic neighboring BS relationship in its broadcast message.
On the move after in one embodiment of system, what donor base station reception mobile relay was sent indicates that it is in movement
After message, and receive the mobile relay transmission its control LTE cells PCI and ECGI, find mobile relay speed
Degree is less than after default second thresholding, and addition mobile relay is as the dynamic adjacent area of oneself；Donor base station finds that mobile relay is cut
Swap out its coverage, then deletes the neighboring BS relationship with mobile relay.
On the move after in one embodiment of system, further include：The 2G of mobility management entity and 2G or 3G adjacent areas or
3G nodes；Mobile relay sends neighboring BS relationship to donor base station and establishes message, and the content which establishes message includes：It needs
The mark of the 2G or 3G adjacent areas of neighboring BS relationship, the mark of the 2G or 3G cells of mobile relay control and neighboring BS relationship is established to build
Vertical sign；Neighboring BS relationship is established message and is sent to mobility management entity by donor base station；Mobility management entity will
Neighboring BS relationship establishes 2G the or 3G nodes that message is sent to preconfigured 2G or 3G adjacent areas, preconfigured 2G or 3G therein
Adjacent area is that have the possible 2G or 3G adjacent areas of covering；2G or 3G nodes, which check that neighboring BS relationship is established in message, needs to establish adjacent area pass
2G the or 3G adjacent areas of system identify whether to match with the mark of oneself, and abandoning the neighboring BS relationship if mismatching establishes message,
The mark for the 2G or 3G cells for controlling the mobile relay that neighboring BS relationship is established in message if matching is added to the dynamic of oneself
In state neighboring cell list.
On the move after in one embodiment of system, 2G the or 3G nodes of 2G or 3G adjacent areas find that its dynamic adjacent area exists
Time is more than default 3rd thresholding, and switches in follow-up the 4th thresholding of a period of time without user and record, then from itself
Dynamic neighboring cell list in delete the dynamic adjacent area.
The present invention has the following advantages：
First, mobile relay is by from perception, measurement and information interaction between nodes, making mobile relay be driven into train
And the neighboring BS relationship of LTE/3G/2G cells in macro base station can be added when being driven out to station automatically, whole process need not be participated in manually,
Reduce O＆M cost.Also, mobile relay can obtain 3G/2G neighboring BS information by the broadcast message of donor base station, solve
The problem of 3G/2G macrocells can not perceive mobile relay cell.In addition, mobile relay finds that itself switches out donor base station
After coverage, neighboring BS relationship all in mobile relay dynamic neighboring cell list can be automatically deleted.The present invention realizes movement
Relay the Automatic Optimal of adjacent area, it is possible to reduce because conversation loss caused by the relation of mispairing miss-configured neighboring cells and because configuring redundancy
User caused by neighboring BS relationship accesses the problems such as goal systems overlong time.
Next, donor base station finds mobile relay speed less than after default second thresholding, and addition mobile relay is used as certainly
Oneself dynamic adjacent area, donor base station find that mobile relay switches out its coverage, then delete the neighboring BS relationship with mobile relay,
Realize the Automatic Optimal of macro base station dynamic adjacent area.
Again, 3G/2G macrocells can establish message according to donor base station and the MME neighboring BS relationship forwarded and find movement
Mobile relay cell is added in the dynamic neighboring BS relationship of oneself by relaying cell, can also surpass in dynamic adjacent area existence time
Default thresholding is crossed, and switches within follow-up a period of time without user and records, then is deleted from the dynamic neighboring cell list of itself
Except the dynamic adjacent area, the Automatic Optimal of 3G/2G macrocell dynamics adjacent area is realized.
Finally, the different system adjacent cell optimization in LTE standard mainly carries out the measurement of ANR to obtain, at this by terminal
Participation of the invention without terminal relates only to the part upgrading of mobile relay and macro base station, and realization method is fairly simple.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
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 having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 shows the link schematic diagram of eating dishes without rice or wine of mobile-relay system.
Fig. 2 shows to support the schematic network structure of the mobile relay of LTE/3G/2G.
Fig. 3 shows the network architecture schematic diagram of Femto patterns.
Fig. 4 is the automatic Establishing process schematic diagram of mobile relay neighboring BS relationship in high ferro covering scene of the present invention.
Fig. 5 is the automatic Establishing process schematic diagram of mobile-relay system neighboring BS relationship in high ferro covering scene of the present invention.
Fig. 6 is the structure diagram of mobile-relay system one embodiment of the present invention.
Fig. 7 is the structure diagram of another embodiment of mobile-relay system of the present invention.
Fig. 8 is the structure diagram of mobile relay one embodiment of the present invention.
Fig. 9 is the structure diagram of another embodiment of mobile relay of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
For the situation that mobile relay is introduced in high ferro covering scene, the present invention proposes a kind of adjacent area of mobile-relay system
Self-optimizing scheme.
Fig. 4 is the automatic Establishing process schematic diagram of mobile relay neighboring BS relationship in high ferro covering scene of the present invention.Such as Fig. 4 institutes
Show, mobile relay neighboring BS relationship establishes process automatically to be included：
S401, speed of train is less than default first thresholding where mobile relay finds it, and receives alms giver's base
It stands when indicating that its overlay area can configure dynamic neighboring BS relationship in broadcast message, starts neighboring BS relationship adding procedure.
Wherein, mobile relay can by the Doppler frequency shift between location technology or mobile relay and donor base station come
It was found that the speed of train where it.
Wherein, donor base station is macro base station.If the overlay area of donor base station is platform, donor base station is broadcasted at it
Indicate that its overlay area can configure dynamic neighboring BS relationship in message；If the overlay area of donor base station is not platform, apply
Master base station indicates that its overlay area cannot configure dynamic neighboring BS relationship in its broadcast message.For example, donor base station can be
SIB1 message carries 1bit information and indicates whether its overlay area can configure dynamic neighboring BS relationship.
S402, mobile relay obtain 2G the or 3G neighboring BS information of donor base station by the broadcast message of donor base station, and
Effective 2G or 3G adjacent areas therein are added in the dynamic neighboring cell list of itself.
Wherein, mobile relay can be adjacent according to the signal strength of cell and/or the 2G or 3G of signal quality from donor base station
Effective 2G or 3G adjacent areas are filtered out in area.For example, signal strength is more than thresholding R1 and/or signal quality is more than the adjacent area of thresholding R2
For effective 2G or 3G adjacent areas.Wherein, 2G or 3G cells according to the present invention such as 2G or 3G adjacent areas are 2G or 3G macrocells.
In addition, the cell that donor base station controls is LTE cells, since mobile relay is generally in the covering model of donor base station
In enclosing, therefore, mobile relay can be by the PCI of donor base station（Physical-layer Cell identity, physical-layer cell
Number）And ECGI（Evolved Cell Global Identifier, evolution cellular global identity）Etc. information be added to oneself
In dynamic neighboring cell list.
S403, mobile relay establish neighboring BS relationship with 2G the or 3G adjacent areas in its dynamic neighboring cell list, and one of which is realized
Mode is：
Mobile relay sends neighboring BS relationship to donor base station and establishes message, and the content which establishes message includes：
Need to establish mark, the mark and neighboring BS relationship of 2G the or 3G cells of mobile relay control of 2G the or 3G adjacent areas of neighboring BS relationship
The sign of foundation；Neighboring BS relationship is established message and is sent to mobility management entity by donor base station；Mobility management entity
Neighboring BS relationship is established into 2G the or 3G nodes that message is sent to preconfigured 2G or 3G adjacent areas, preconfigured 2G therein or
3G adjacent areas are that have the possible 2G or 3G adjacent areas of covering；2G or 3G nodes check neighboring BS relationship establish in message need establish adjacent area
2G the or 3G adjacent areas of relation identify whether to match with the mark of oneself, and neighboring BS relationship foundation is abandoned if mismatching and is disappeared
Breath, the mark for the 2G or 3G cells for controlling the mobile relay that neighboring BS relationship is established in message if matching are added to oneself
In dynamic neighboring cell list.
Fig. 5 is the automatic Establishing process schematic diagram of mobile-relay system neighboring BS relationship in high ferro covering scene of the present invention.Such as Fig. 5
Shown, mobile-relay system neighboring BS relationship establishes process automatically to be included：
S501, donor base station indicate whether its overlay area can configure dynamic neighboring BS relationship in broadcast message.If
The overlay area of donor base station is platform, then donor base station instruction can configure dynamic neighboring BS relationship, if donor base station covers
Cover area is not platform, then donor base station instruction cannot configure dynamic neighboring BS relationship.
S502, after mobile relay finds that the speed of train is less than the first thresholding TH1, and donor base station is in broadcast message
It indicates that the region can configure dynamic neighboring BS relationship, then starts subsequent neighboring BS relationship adding procedure.
In addition, mobile relay can indicate that it is a mobile relay for example, by RRC information, and built for example, by X2
The PCI and ECGI of the LTE cells of vertical message instruction mobile relay control.When donor base station finds that the speed of mobile relay is less than
After second thresholding TH2, then the cell of mobile relay control is added in donor base station as the dynamic adjacent area of oneself.
Wherein, threshold T H1 and TH2 pass through OMC by operator（Operation maintenance center）It sets, specific value can lead to
Emulation or engineering experience are crossed to obtain.
S503, it is mobile since mobile relay is typically in donor base station coverage for the adjacent area of LTE
As long as relaying is placed into the information such as PCI, ECGI of donor base station in the dynamic neighboring cell list of oneself.
S504, for the adjacent area of 2G or 3G, mobile relay needs are screened from the broadcast message of donor base station, specifically
Screening technique is：Due to donor base station can by its information of adjacent cells of broadcast, mobile relay is from donor base station
Broadcast message in read relevant neighboring BS information, start to measure and simultaneously judge which adjacent area is effective, signal strength is more than door
It is effective 2G or 3G adjacent areas to limit 2G the or 3G adjacent areas of R1 and/or signal quality more than thresholding R2, and effective 2G or 3G adjacent areas are added
Into the dynamic neighboring cell list of mobile relay.
Above-mentioned 2G or 3G adjacent areas screening technique, it is possible to reduce terminal unnecessary search time.This is because：On the move
After there is no the functional entity of 2G or 3G in system, in donor base station, and due in network topology structure and coverage
Difference, in the different system adjacent cell relation that the broadcast message of donor base station provides it is most of be not mobile relay adjacent area, therefore,
If carrying out the configuration of neighboring BS relationship using the different system adjacent cell provided in donor base station broadcast completely, terminal many can be increased not
Necessary search time.
S505, mobile relay send neighboring BS relationship foundation to 2G the or 3G adjacent areas being added in dynamic neighboring cell list respectively and disappear
Breath.Mobile relay can carry neighboring BS relationship by RRC information and establish message informing donor base station, and neighboring BS relationship establishes message
Content includes：Need to establish the mark of the 2G or 3G adjacent areas of neighboring BS relationship, the mark of the 2G or 3G cells of mobile relay control with
And the sign that neighboring BS relationship is established.
S506 after donor base station receives the message, can utilize such as S1CDMA2000Tunneling Messages
Message carrying neighboring BS relationship establishes message and is sent to MME.
After S507, MME receive the message, neighboring BS relationship can be established to message and be sent to preconfigured 2G or 3G neighbours
In 2G the or 3G nodes in area.
Wherein, preconfigured 2G or 3G adjacent areas are that have the possible 2G or 3G adjacent areas of covering, are the neighbours of donor base station broadcast
The a subset of cell relation.
After S508,2G or 3G node receive the message, first check for needing 2G the or 3G adjacent areas for establishing neighboring BS relationship
It identifies whether to match with the mark of oneself, abandoning the neighboring BS relationship if mismatching establishes message, by adjacent area if matching
The mark of the 2G or 3G cells for the mobile relay control that relation is established in message is added in the dynamic neighboring cell list of oneself.
The present invention also proposes the scheme that mobile-relay system neighboring BS relationship is automatically deleted in high ferro covering scene, including：
After mobile relay finds itself to switch out the coverage of donor base station, neighbour all in dynamic neighboring cell list is deleted
Cell relation.
Donor base station finds that mobile relay has switched out its coverage, then deletes the neighboring BS relationship with mobile relay.
2G the or 3G nodes of 2G or 3G adjacent areas find its dynamic adjacent area（That is the cell of mobile relay control）Existence time surpasses
Default 3rd thresholding TH3 is crossed, and switches in follow-up the 4th thresholding TH4 of a period of time without user and records, i.e., is not sent out
Raw terminal user then deletes the dynamic adjacent area to the handover event of mobile relay cell from the dynamic neighboring cell list of itself.Its
In, TH3 and TH4 are set by operation maintenance personnel by OMC, and specific value can be obtained by emulation or engineering experience.
In order to make the present invention program more situation, the application that adjacent area self-optimizing in some mobile-relay systems is set forth below is shown
Example.
Embodiment 1：The present embodiment mainly describe after a high ferro train inlet parking for being configured with Mobile Relay from
The dynamic scene for carrying out neighboring BS relationship foundation.Present embodiment assumes that Mobile Relay support tri- kinds of LTE/EV-DO/1X to eat dishes without rice or wine simultaneously
Technology, therefore for the terminal in compartment, there are a LTE cells Cell_1, the cell Cell_2 of 1X and one
The cell Cell_3 of EV-DO；And assume to contain the adjacent area of 6 1X and EV-DO in the broadcast message SIB8 of the DeNB at station.
1.Mobile Relay estimate that the present speed of oneself is less than 5Km/ by detecting its Doppler frequency shift with DeNB
H, and 1bit information is carried in the SIB1 message of DeNB and indicates that current DeNB coverages for platform, then start neighboring BS relationship
Adding procedure.
2.Mobile Relay are saved in the PCI and ECGI of currently resident DeNB the homogeneous-frequency adjacent-domain relation row of Cell_1
In table, it can also be saved in the alien frequencies Neighboring Relation Table of Cell_2 and Cell_3.
3.Mobile Relay enter after the coverage of DeNB, by RRC information such as
RRCConnectionSetupComplete message indicates that it is a mobile relay, and establishes message by X2 and indicate its institute
The PCI and ECGI, DeNB of the LTE cells Cell_1 of control is by detecting the Doppler frequency shift of Mobile Relay, estimation
The speed of Mobile Relay is less than 5Km/h, then cell Cell_1 is added in the homogeneous-frequency adjacent-domain list of oneself, can also be
Cell Cell_2 and Cell_3 are added in the alien frequencies neighboring cell list of oneself.
4.Mobile Relay read the SIB8 in the broadcast message of DeNB, find neighbours of the DeNB there are 6 1X and EV-DO
Area starts to this 6 nearby region measurements, wherein signal strength be more than thresholding only there are one the adjacent area Cell_1X of 1X and one
The adjacent area Cell_DO of EV-DO.
5.Mobile Relay are added to adjacent area Cell_1X in the neighboring BS relationship of Cell_2, and adjacent area Cell_DO is added
Into the neighboring BS relationship of Cell_3.
6.Mobile Relay construct two RRC information UL Information Transfer and are respectively used to instruction Cell_
1X and Cell_DO establishes neighboring BS relationship, and the neighboring BS relationship that wherein UL Information Transfer are carried is established message and sealed
In DedicatedInfoCDMA2000, wherein neighboring BS relationship establishes message and includes following information：
The mark of Target cell（The mark of Cell_1X or Cell_DO）
The mark of cell-of-origin（The mark of Cell_1 and Cell_2）
Cell establishes request mark
Wherein, Target cell, which refers to, needs 2G the or 3G adjacent areas for establishing neighboring BS relationship, and cell-of-origin refers to the 2G of mobile relay control
Or 3G cells.
After DeNB receives the message, neighboring BS relationship is established message and is encapsulated in UPLINK S1CDMA2000TUNNELING
And be sent to MME, the purpose adjacent area specified in UPLINK S1CDMA2000TUNNELING by network optimization personnel's static configuration,
The subclass gathered for adjacent area in SIB8.
After 7.MME receives the message, neighboring BS relationship is established by the interface between system by message and is sent to each adjacent area, such as
To EV-DO adjacent areas by S101 interfaces, 1X IWS are forwarded to by S102 interfaces to 1X adjacent areas, then 1X is forwarded to by 1X IWS
After MSC belonging to BSC, the forward message reaches target 1X BSC.If 1X EV-DO cells find neighboring BS relationship, foundation disappears
Target Cell Identifier in breath is not the cell ID of oneself, then abandons the message；If the cell ID of oneself, then in phase
Increase the mark of Cell_1 and Cell_2 in the dynamic neighboring cell list answered.
Embodiment 2：When the present embodiment mainly describes a high ferro train stop off for being configured with Mobile Relay not
Carry out the scene of neighboring BS relationship foundation.Present embodiment assumes that Mobile Relay support tri- kinds of skills of eating dishes without rice or wine of LTE/EV-DO/1X simultaneously
Art, therefore for the terminal in compartment, there are LTE cells a Cell_1, the cell Cell_2 and an EV- of a 1X
The cell Cell_3 of DO.
1.Mobile Relay by detecting its Doppler frequency shift with DeNB, estimate the present speed of oneself be less than
5Km/h still detects that the 1bit platforms indication bit in the broadcast message SIB1 of DeNB is 0, and it is non-platform area to show the region
Domain, therefore adjacent areas of the DeNB as oneself is not added.
2. the DeNB of covering Mobile Relay is not belonging to platform scope, although Mobile Relay enter its coverage
Oneself is indicated as a RN by RRC information afterwards, but DeNB does not configure adjacent areas of the Mobile Relay as oneself.
Embodiment 3：The present embodiment mainly describe a high ferro train for being configured with Mobile Relay it is leaving from station after automatically into
The scene that row neighboring BS relationship is deleted.Present embodiment assumes that Mobile Relay support tri- kinds of skills of eating dishes without rice or wine of LTE/EV-DO/1X simultaneously
Art, therefore for the terminal in compartment, there are LTE cells a Cell_1, the cell Cell_2 and an EV- of a 1X
The cell Cell_3 of DO.
After train enters the station, the base station of the base station Cell_1X and macrocell EV-DO of Mobile Relay addition macrocells 1X
The mark of Cell_DO enters the corresponding neighboring BS relationship of cell Cell_2 and Cell_3.Corresponding Cell_1X and Cell_DO also adds
Cell Cell_2 and Cell_3 is added to enter in itself corresponding neighboring BS relationship.
1. when Mobile Relay have found that the speed of itself is more than 10km/h, then institute in dynamic neighboring cell list is deleted
Some neighboring BS relationship.
2. when DeNB is using Doppler frequency shift, the speed of estimation Mobile Relay then deletes dynamic more than after 10km/h
The neighboring BS relationship of the neighboring BS relationship of homogeneous-frequency adjacent-domain Cell_1, alien frequencies adjacent area Cell2 and Cell3 in neighboring cell list.
3.1X macrocell Cell_1X and EV-DO macrocells Cell_DO has had found dynamic adjacent area Cell2 and Cell3 respectively
Exist 10 minutes, already exceed erasing time thresholding 5 minutes, and beyond 5 minutes in no user switching record, then divide
Not Shan Chu in dynamic neighboring cell list Cell2 and Cell3 neighboring BS relationship.
The present invention also proposes a kind of mobile-relay system, as shown in fig. 6, mobile-relay system includes：Mobile relay 601 with
And donor base station 602；As shown in fig. 7, mobile-relay system further includes：Mobility management entity 703 and the 2G of 2G or 3G adjacent areas
Or 3G nodes 704.
Wherein, as shown in figure 8, mobile relay 601 includes：
Neighboring BS relationship start unit 801, the speed for finding mobile relay place train are less than default first thresholding,
And when receiving donor base station and indicating that its overlay area can configure dynamic neighboring BS relationship in broadcast message, start adjacent area and close
It is adding procedure；
Adjacent area finds unit 802, and the broadcast message for passing through donor base station obtains 2G the or 3G adjacent areas letter of donor base station
Breath, and effective 2G or 3G adjacent areas therein are added in the dynamic neighboring cell list of itself；
Unit 803 is established in adjacent area, for establishing neighboring BS relationship with 2G the or 3G adjacent areas in mobile relay dynamic neighboring cell list.
Unit 803 is established in adjacent area, establishes message specifically for sending neighboring BS relationship to donor base station, which establishes
The content of message includes：Need to establish the marks of the 2G or 3G adjacent areas of neighboring BS relationship, 2G the or 3G cells of mobile relay control
The sign that mark and neighboring BS relationship are established, so that neighboring BS relationship is established message by donor base station is sent to mobile management
Neighboring BS relationship is established 2G the or 3G nodes that message is sent to preconfigured 2G or 3G adjacent areas by entity, mobility management entity,
Preconfigured 2G or 3G adjacent areas therein are that have the possible 2G or 3G adjacent areas of covering, 2G or 3G nodes check that neighboring BS relationship is established
2G or 3G adjacent areas for needing to establish neighboring BS relationship in message identify whether to match with the mark of oneself, are lost if mismatching
It abandons the neighboring BS relationship and establishes message, 2G the or 3G cells for controlling the mobile relay that neighboring BS relationship is established in message if matching
Mark be added in the dynamic neighboring cell list of oneself.
Adjacent area finds unit 802, be additionally operable to according to the signal strength of cell and/or signal quality from the 2G of donor base station or
Effective 2G or 3G adjacent areas are filtered out in 3G adjacent areas.
Adjacent area finds unit 802, is additionally operable to for PCI the and ECGI information of donor base station to be added to the dynamic adjacent area row of oneself
In table.
As shown in figure 9, mobile relay further includes：Speed finds that unit 905 is deleted in unit 904 or adjacent area.
Speed finds unit 904, for passing through the frequency of the Doppler between location technology or mobile relay and donor base station
The speed of train where in-migration finds it.
Unit 905 is deleted in adjacent area, after finding that mobile relay switches out donor base station coverage, deletes mobile relay
All neighboring BS relationship in dynamic neighboring cell list.
On the move after in system, donor base station 602 broadcasts the message for sending, its area of coverage is indicated by broadcasting the message
Whether domain can configure dynamic neighboring BS relationship, and broadcast 2G the or 3G neighboring BS information of oneself.Wherein, if donor base station covers
Cover area is platform, then donor base station indicates that its overlay area can configure dynamic neighboring BS relationship in its broadcast message.
What the reception mobile relay of donor base station 602 was sent indicates that it is the message of mobile relay, and receives the mobile relay
The PCI and ECGI of the LTE cells of its control sent after finding that mobile relay speed is less than default second thresholding, add
Add dynamic adjacent area of the mobile relay as oneself；Donor base station 602 find mobile relay switch out its coverage, then delete with
The neighboring BS relationship of mobile relay.
Mobile relay 601 sends neighboring BS relationship to donor base station 602 and establishes message, which establishes the content of message
Including：It needs to establish the mark of the 2G or 3G adjacent areas of neighboring BS relationship, the mark of the 2G or 3G cells of mobile relay control and neighbour
The sign that cell relation is established；Neighboring BS relationship is established message and is sent to mobility management entity 603 by donor base station 602；It moves
Neighboring BS relationship is established 2G the or 3G nodes 604 that message is sent to preconfigured 2G or 3G adjacent areas by mobility management entity 603,
In preconfigured 2G or 3G adjacent areas be to have the possible 2G or 3G adjacent areas of covering；2G or 3G nodes 604 check that neighboring BS relationship is built
2G the or 3G adjacent areas of neighboring BS relationship that need to establish in vertical message identify whether match with the mark of oneself, if the mismatch
It abandons the neighboring BS relationship and establishes message, the 2G or 3G for controlling the mobile relay that neighboring BS relationship is established in message if matching are small
The mark in area is added in the dynamic neighboring cell list of oneself.
2G or 3G nodes 604 find that its dynamic adjacent area existence time is more than default 3rd thresholding, and at follow-up one section
Switch in time without user and record, then the dynamic adjacent area is deleted from the dynamic neighboring cell list of itself.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (20)
1. it is a kind of on the move after in system carry out adjacent area self-optimizing method, including：
Speed of train is less than default first thresholding where mobile relay finds it, and receives donor base station and disappear in broadcast
When indicating that its overlay area can configure dynamic neighboring BS relationship in breath, start neighboring BS relationship adding procedure；
Mobile relay obtains 2G the or 3G neighboring BS information of donor base station from the broadcast message of donor base station, and will be therein effective
2G or 3G adjacent areas are added in the dynamic neighboring cell list of itself；
Mobile relay establishes neighboring BS relationship with 2G the or 3G adjacent areas in its dynamic neighboring cell list.
2. according to the method described in claim 1, it is characterized in that, mobile relay by location technology or mobile relay with applying
Doppler frequency shift between master base station is come the speed of train where finding it.
3. according to the method described in claim 1, it is characterized in that, if the overlay area of donor base station were platform, alms giver
Base station indicates that its overlay area can configure dynamic neighboring BS relationship in its broadcast message.
4. according to the method described in claim 1, it is characterized in that, mobile relay is according to the signal strength and/or signal of cell
Quality filters out effective 2G or 3G adjacent areas from 2G the or 3G adjacent areas of donor base station.
5. according to the method described in claim 1, it is characterized in that, mobile relay is adjacent with the 2G in its dynamic neighboring cell list or 3G
Area establishes neighboring BS relationship and specifically includes：
Mobile relay sends neighboring BS relationship to donor base station and establishes message, and the content which establishes message includes：It needs
The mark of the 2G or 3G adjacent areas of neighboring BS relationship, the mark of the 2G or 3G cells of mobile relay control and neighboring BS relationship is established to establish
Sign；
Neighboring BS relationship is established message and is sent to mobility management entity by donor base station；
Neighboring BS relationship is established 2G the or 3G nodes that message is sent to preconfigured 2G or 3G adjacent areas by mobility management entity,
In preconfigured 2G or 3G adjacent areas be to have the possible 2G or 3G adjacent areas of covering；
2G or 3G nodes check identifying whether for the 2G or 3G adjacent areas for needing to establish neighboring BS relationship that neighboring BS relationship is established in message
It is matched with the mark of oneself, abandoning the neighboring BS relationship if mismatching establishes message, establishes neighboring BS relationship if matching
The mark of the 2G or 3G cells of mobile relay control in message is added in the dynamic neighboring cell list of oneself.
6. according to the method described in claim 1, it is characterized in that, mobile relay adds PCI the and ECGI information of donor base station
It is added in the dynamic neighboring cell list of oneself.
7. according to the method described in claim 1, it is characterized in that, mobile relay discovery switches out donor base station coverage
Afterwards, neighboring BS relationship all in its dynamic neighboring cell list is deleted.
8. according to the method described in claim 1, it is characterized in that,
Mobile relay to donor base station hair message indicate that it is mobile relay, and the PCI of the LTE cells controlled and
ECGI is sent to donor base station, and donor base station finds that mobile relay speed less than after default second thresholding, adds mobile relay
As the dynamic adjacent area of oneself；
Donor base station finds that mobile relay switches out its coverage, then deletes the neighboring BS relationship with mobile relay.
9. according to the method described in claim 1, it is characterized in that, 2G the or 3G nodes of 2G or 3G adjacent areas find its dynamic adjacent area
Existence time is more than default 3rd thresholding, and switches in follow-up the 4th thresholding of a period of time without user and record, then from
The dynamic adjacent area is deleted in the dynamic neighboring cell list of itself.
10. a kind of mobile relay, including：
Neighboring BS relationship start unit for finding the speed of mobile relay place train less than default first thresholding, and connects
When receiving donor base station and indicating that its overlay area can configure dynamic neighboring BS relationship in broadcast message, start neighboring BS relationship addition
Process；
Adjacent area finds unit, for obtaining 2G the or 3G neighboring BS information of donor base station from the broadcast message of donor base station, and will
Effective 2G or 3G adjacent areas therein are added in the dynamic neighboring cell list of itself；
Unit is established in adjacent area, for establishing neighboring BS relationship with 2G the or 3G adjacent areas in mobile relay dynamic neighboring cell list.
11. mobile relay according to claim 10, which is characterized in that further include:
Speed finds unit, for being found by the Doppler frequency shift between location technology or mobile relay and donor base station
The speed of train where it.
12. mobile relay according to claim 10, which is characterized in that
Adjacent area finds unit, is additionally operable to according to the signal strength of cell and/or signal quality from 2G the or 3G adjacent areas of donor base station
In filter out effective 2G or 3G adjacent areas.
13. mobile relay according to claim 10, which is characterized in that
Adjacent area finds unit, is additionally operable to PCI the and ECGI information of donor base station being added in the dynamic neighboring cell list of oneself.
14. mobile relay according to claim 10, which is characterized in that
Unit is established in adjacent area, establishes message specifically for sending neighboring BS relationship to donor base station, which establishes message
Content includes：Need to establish the mark of the 2G or 3G adjacent areas of neighboring BS relationship, the mark of the 2G or 3G cells of mobile relay control with
And the sign that neighboring BS relationship is established, so that neighboring BS relationship is established message by donor base station is sent to mobility management entity,
Neighboring BS relationship is established 2G the or 3G nodes that message is sent to preconfigured 2G or 3G adjacent areas by mobility management entity, therein
Preconfigured 2G or 3G adjacent areas are that have the possible 2G or 3G adjacent areas of covering, 2G or 3G nodes check that neighboring BS relationship is established in message
Need establish 2G the or 3G adjacent areas of neighboring BS relationship and identify whether to match with the mark of oneself, abandon the neighbour if mismatching
Cell relation establishes message, the mark for the 2G or 3G cells for controlling the mobile relay that neighboring BS relationship is established in message if matching
It is added in the dynamic neighboring cell list of oneself.
15. mobile relay according to claim 10, which is characterized in that further include：
Unit is deleted in adjacent area, and after finding that mobile relay switches out donor base station coverage, it is adjacent to delete mobile relay dynamic
All neighboring BS relationship in area's list.
16. a kind of mobile-relay system, including：Claim 10-15 any one of them mobile relay and donor base station, are applied
Master base station broadcasts the message for sending, and indicates whether its overlay area can configure dynamic neighboring BS relationship by broadcasting the message, and
And broadcast 2G the or 3G neighboring BS information of oneself.
17. mobile-relay system according to claim 16, which is characterized in that
If the overlay area of donor base station is platform, donor base station indicates that its overlay area can match somebody with somebody in its broadcast message
Put dynamic neighboring BS relationship.
18. mobile-relay system according to claim 16, which is characterized in that
What donor base station reception mobile relay was sent indicates that it is the message of mobile relay, and receives its of mobile relay transmission
The PCI and ECGI of the LTE cells of control, after finding that mobile relay speed is less than default second thresholding, during addition is mobile
After the dynamic adjacent area as oneself；
Donor base station finds that mobile relay switches out its coverage, then deletes the neighboring BS relationship with mobile relay.
19. mobile-relay system according to claim 16, which is characterized in that further include：Mobility management entity and 2G
Or the 2G or 3G nodes of 3G adjacent areas；
Mobile relay sends neighboring BS relationship to donor base station and establishes message, and the content which establishes message includes：It needs
The mark of the 2G or 3G adjacent areas of neighboring BS relationship, the mark of the 2G or 3G cells of mobile relay control and neighboring BS relationship is established to establish
Sign；
Neighboring BS relationship is established message and is sent to mobility management entity by donor base station；
Neighboring BS relationship is established 2G the or 3G nodes that message is sent to preconfigured 2G or 3G adjacent areas by mobility management entity,
In preconfigured 2G or 3G adjacent areas be to have the possible 2G or 3G adjacent areas of covering；
2G or 3G nodes check identifying whether for the 2G or 3G adjacent areas for needing to establish neighboring BS relationship that neighboring BS relationship is established in message
It is matched with the mark of oneself, abandoning the neighboring BS relationship if mismatching establishes message, establishes neighboring BS relationship if matching
The mark of the 2G or 3G cells of mobile relay control in message is added in the dynamic neighboring cell list of oneself.
20. mobile-relay system according to claim 19, which is characterized in that 2G the or 3G nodes of 2G or 3G adjacent areas are found
Its dynamic adjacent area existence time is more than default 3rd thresholding, and is switched in follow-up the 4th thresholding of a period of time without user
Record, then delete the dynamic adjacent area from the dynamic neighboring cell list of itself.
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| CN106550412B (en) * | 2015-09-21 | 2021-06-29 | 索尼公司 | Electronic device and wireless communication method in wireless communication system |
| CN107172644B (en) * | 2017-05-26 | 2020-04-14 | 京信通信系统（中国）有限公司 | Networking method and vehicle-mounted terminal |
| CN109067448A (en) * | 2018-07-18 | 2018-12-21 | 广东惠利普路桥信息工程有限公司 | A kind of transport vehicle for realizing data relay |
| CN110769437B (en) * | 2018-07-26 | 2023-04-28 | 成都鼎桥通信技术有限公司 | Method for configuring adjacent cell of relay |
| CN111726750A (en) * | 2020-06-11 | 2020-09-29 | 南京千云井建筑智能科技有限公司 | Ultra-wideband two-way ranging trilateral positioning system and method thereof |
| CN113382427B (en) * | 2021-06-07 | 2023-04-07 | 中国联合网络通信集团有限公司 | Method, device, equipment and storage medium for setting neighbor cells of high-speed rail network |
| CN115550882A (en) * | 2021-06-30 | 2022-12-30 | 华为技术有限公司 | Method and device for acquiring information |
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