CN102984708B - The method for pre-configuration and system of a kind of back haul link - Google Patents
The method for pre-configuration and system of a kind of back haul link Download PDFInfo
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- CN102984708B CN102984708B CN201110264118.1A CN201110264118A CN102984708B CN 102984708 B CN102984708 B CN 102984708B CN 201110264118 A CN201110264118 A CN 201110264118A CN 102984708 B CN102984708 B CN 102984708B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a kind of method for pre-configuration of back haul link and system, methods described includes：Access node AP is reported self-ability and is asked preconfigured information with terminal identity access network；The self-ability that network side is reported according to the AP, is the AP selection targets network node, notifies the target network node to carry out receiving preparation, and preconfigured information is fed back into the AP；AP accesses the target network node according to the preconfigured information of acquisition.The present invention is by AP with terminal identity access network, obtain preconfigured information of the network side according to the AP self-ability feedbacks reported, wireless backhaul link is set up in idle frequency spectrum resource, on the premise of target network node communication quality is ensured, improve the AP speech quality being successfully accessed after rate and access, interfering between wireless backhaul link and access link can be avoided, AP turn-on time is saved.
Description
Technical field
The present invention relates to the method for pre-configuration and system of wireless communication field, more particularly to a kind of back haul link.
Background technology
For Long Term Evolution (Long Term Evolution, LTE) system or senior long term evolution (Long Term
Evolution-advanced, LTE-A) for system, current access node (Access Point, AP) mainly has：Enhancing
Macro cell base station (enhanced Node Base Station), via node (Relay Node, RN), femtocell base station
(Femto NB), microcell base station (Pico NB) and Home eNodeB (home NB).What is had between these access nodes can be straight
Connect connected, wherein the link between the access node that can be joined directly together is referred to as back haul link (backhaul link).
By taking RN as an example, so-called relaying technique is exactly that in the downstream direction, the signal of terminal is issued not in base station briefly
Terminal directly is issued, but first issues a RN, terminal is then transmitted to by RN again；In the upstream direction, the up letter of terminal
Number nor directly issue base station, but a RN is first issued, base station is then transmitted to by RN again.Application scenarios main RN are such as
Under：To realize seamless coverage, lower deployment cost is reduced, RN is disposed in remote rural area；Cover same with user throughput for enhancing
Shi Tigao spectrum efficiencies, and the city focus disposed；In special screnes such as cultural relics and historic sites, for the purpose of historical relic's protection, in room
Interior deployment RN；Frequently cell switching, on a vehicle, such as train, bus are carried out in order to reduce the terminal of high-speed mobile
Dispose RN etc..So-called back haul link refers to serve the communication link between RN and base station, and access link is that RN and its subordinate are whole
Link between end, the base station for serving RN is referred to as DeNB (Donor eNB).
Back haul link is probably wireless, such as following scenario in LTE/LTE-A：Remote regional, interim hot spot region
Covering, disaster relief period, the access node of nomadic state etc..Under these scenes, because the link cost for disposing wired is too high,
Either it is unable to estimate its position and carries out wired covering or wire communication interruption in advance, can not be all entered by wired connection
Row effectively covering.And Radio Link can provide service rapidly, accordingly, it would be desirable to be this part back haul link dividing frequency resource,
So as to carry out wireless connection.
And under above-mentioned scene, the resource problem used for wireless backhaul link is mainly considered according to spectrum management at present
The regulation of tissue, the frequency spectrum resource by a part of authorized appropriation to LTE/LTE-A systems is connected for wireless backhaul link.At this
Plant under the method for salary distribution, back haul link is multiplexed the frequency spectrum resource of distribution with access link, and the phase between two links can be caused unavoidably
Mutually interference, and to a certain extent, the capacity and service quality of the access link for the current base station that can be also connected to AP are made
Into influence.
The content of the invention
In view of this, can it is a primary object of the present invention to provide the method for pre-configuration and system of a kind of back haul link
Avoid interfering between wireless backhaul link and access link.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of method for pre-configuration of back haul link, methods described includes：
AP is reported self-ability and is asked preconfigured information with terminal identity access network；
The self-ability that network side is reported according to the AP, is the AP selection targets network node, notifies the target
Network node carries out receiving preparation, and preconfigured information is fed back into the AP；
AP accesses the target network node according to the preconfigured information of acquisition.
Wherein, the network side is core-network side network element or webmaster side network element；The target network node is with receiving
The network node of AP abilities.
Wherein, the AP reports the self-ability to be：
AP reports the one or more of following information to network side：The working frequency points itself supported, the work itself supported
Bandwidth, maximum transmission power, positional information, the ability of access terminal.
Wherein, the ability of the access terminal includes AP and supports the version of access terminal, quantity, one kind of type of service
Or it is a variety of.
Wherein, the network side is that the AP selection targets network node is：
Positional information in the self-ability that network side is reported according to the AP, selection at least meets the frequency that the AP is supported
The target network node of point, required bandwidth.
Further, the network side is that the AP selection targets network node also includes：
Prioritizing selection wireless backhaul link works in the target network node of idle frequency spectrum resource；Secondly selection is by coordinating
Idle frequency spectrum resource sets up the target network node of back haul link；
Wherein, the idle frequency spectrum resource is the frequency spectrum resource that uncommitted user uses, including the TV band free time is frequently
Compose (TVWS) resource, global mobile communication (GSM) system idle frequency spectrum resource, 3G systems idle frequency spectrum resource, LTE/LTE-A systems
The one or more for idle frequency spectrum resource of uniting.
Further, when the target network node for setting up back haul link by coordinating idle frequency spectrum resource in the absence of network side
When, the network side is that the AP selection targets network node also includes：
Selection back haul link works in mandate frequency spectrum, and authorizes the abundant target network node of frequency spectrum resource.
Wherein, the network side notifies target network node to carry out receiving and be prepared as：
Network side, which sends to receive, to be prepared to notify to the target network node；
The target network node is configured according to the preconfigured information received in preparing to notify, after the completion of configuration
Feeding back confirmation message gives the network side.
Wherein, the target network node is configured to according to the preconfigured information received in preparing to notify：
The target network node is that the AP reserves resource, and opens the timer pre-set, when the timer
After then, the AP does not access the target network node yet, then discharges the reserved resource.
Wherein, mark of the preconfigured information including target network node, working frequency points, bandwidth, emission parameter limitation
One or more；
The AP accesses the target network node according to the preconfigured information of acquisition：
The AP finds according to the mark of the target network node and accesses the target network node, and according to institute
The emission parameter limitation for stating target network node completes configuration.
A kind of pre-configuration system of back haul link, the system includes：AP, network side；Wherein,
The AP, for after with terminal identity access network, reporting self-ability and asking preconfigured information；According to obtaining
The preconfigured information access target network node taken；
Network side, is the AP selection targets network node for the self-ability reported according to the AP, notifies described
Target network node carries out receiving preparation, and preconfigured information is fed back into the AP.
Wherein, the AP, the one or more specifically for reporting following information to network side：The work frequency itself supported
Point, the bandwidth of operation itself supported, maximum transmission power, positional information, the ability of access terminal.
Wherein, the network side, specifically for the positional information in the self-ability that is reported according to the AP, selection is at least
Meet frequency, the target network node of required bandwidth that the AP is supported.
Wherein, the network side, is additionally operable to the target network that prioritizing selection wireless backhaul link works in idle frequency spectrum resource
Network node；Secondly the target network node of back haul link is set up in selection by coordinating idle frequency spectrum resource；Wherein, idle frequency spectrum is provided
Source is the frequency spectrum resource that uncommitted user uses, including TVWS resources, gsm system idle frequency spectrum resource, 3G the systems free time are frequently
The one or more of spectrum resource, LTE/LTE-A system idle frequency spectrum resources.
Wherein, the network side, is additionally operable to when in the absence of the target that back haul link is set up by coordinating idle frequency spectrum resource
During network node, selection back haul link works in mandate frequency spectrum, and authorizes the abundant target network node of frequency spectrum resource.
Further, the system also includes target network node；
The network side, is additionally operable to send and receives preparation to notify to the target network node；
The target network node, for being configured according to the preconfigured information received in preparing to notify, is configured
After the completion of feeding back confirmation message give the network side.
Wherein, the target network node, specifically for reserving resource for the AP, and opens the default timing set
Device, when the timer then after, when the AP is not accessed yet, then discharge the resource.
Wherein, mark of the preconfigured information including target network node, working frequency points, bandwidth, emission parameter limitation
One or more；
The AP, specifically for the mark according to the target network node, finds and accesses the target network node,
And configuration is completed according to the limitation of the emission parameter of the target network node.
The present invention, with terminal identity access network, obtains network side according to the pre- of the AP self-ability feedbacks reported by AP
Configuration information, wireless backhaul link is set up in idle frequency spectrum resource, is ensureing the premise of target network node communication quality
Under, improve the AP speech quality being successfully accessed after rate and access, can avoid wireless backhaul link and access link it
Between interfere, save AP turn-on time.
Brief description of the drawings
Fig. 1 is the implementation process schematic diagram of the method for pre-configuration of back haul link of the present invention；
Fig. 2 is the implementation process schematic diagram of the embodiment one of the method for pre-configuration of back haul link of the present invention；
Fig. 3 is the implementation process schematic diagram of the embodiment two of the method for pre-configuration of back haul link of the present invention；
Fig. 4 is the implementation process schematic diagram of the embodiment three of the method for pre-configuration of back haul link of the present invention；
Fig. 5 is the structural representation of the pre-configuration system of back haul link of the present invention；
Fig. 6 is the application scenarios schematic diagram of the pre-configuration system of back haul link of the present invention.
Embodiment
The present invention basic thought be：AP is reported self-ability and is asked preconfigured information with terminal identity access network；
The self-ability that network side is reported according to the AP, is the AP selection targets network node, notifies the network target node
Receiving preparation is carried out, and preconfigured information is fed back into the AP；AP accesses the target network according to the preconfigured information of acquisition
Network node.
It is by the following examples and referring to the drawings, right for the object, technical solutions and advantages of the present invention are more clearly understood
The present invention is further described.
Fig. 1 shows the implementation process of the method for pre-configuration of back haul link of the present invention, as shown in figure 1, methods described includes
Following step：
Step 101, AP is reported self-ability and is asked preconfigured information with terminal identity access network；
In this step, AP is to obtain configuration ginseng required during AP normal works with terminal identity access network when starting shooting
Number；For example, AP can select itself accessible any base station, such as eNB sets up the connection of AP and network side, to obtain then
Into the configuration parameter needed for normal mode of operation, here, the eNB that the eNB includes supporting and do not support to receive AP functions；Institute
It can be core-network side network element or webmaster side network element to state network side；Core-network side network element can include mobility management entity
(Mobility Management Entity, MME), gateway (Serving Gateway, SGW), common data gateway
(Public data network Gateway, PGW), home subscriber server (Home Subscriber Server, HSS)
Deng；Webmaster side network element can include operation management maintainance system (Operation Administration Maintenance,
OAM), equipment management system (Equipment Management System, EMS), NMS (Network
Management System, NMS), eNB, DeNB, center control nodes (Central Control Point, CCP), network
Match somebody with somebody management entity (Network Reconfiguration Entity, NRM) again, again with entity (Reconfiguration
Entity, RE) etc..
After the network of AP completion terminal identities is initially accessed, self-ability is reported to network side, here, itself energy reported
Power includes the one or more of following information：The working frequency points itself supported, the bandwidth of operation itself supported, emission maximum work(
Rate, positional information, ability of access terminal etc..Wherein, the ability of access terminal supports the version of access terminal, number including AP
The one or more of amount, type of service etc..
Step 102, the self-ability that network side is reported according to the AP, is the AP selection targets network node, is notified
The target network node carries out receiving preparation, and preconfigured information is fed back into the AP；
Specifically, in this step, the positional information that network side is reported according to the AP, selection at least meets the AP and supported
Frequency, the target network node of required bandwidth；Specifically, when the target network node that selection is obtained includes multiple, preferentially
Selection wireless backhaul link works in the target network node of idle frequency spectrum resource；Secondly selection can be by coordinating idle frequency spectrum
Resource sets up the target network node of back haul link；Finally, selection wireless backhaul link works in mandate frequency spectrum, and authorizes frequency spectrum
The more abundant target network node of resource.Here, the idle frequency spectrum resource refers to not weighed by throwing in certain area or on the time
The frequency spectrum resource that user uses, including TV band idle frequency spectrum TVWS resources, global mobile communication gsm system idle frequency spectrum money
Source, 3G systems idle frequency spectrum resource, the one or more of LTE/LTE-A system idle frequency spectrum resources；When AP back haul link is matched somebody with somebody
When putting using these idle frequency spectrums, interfering between back haul link and access link can be avoided, and to wireless access
The influence that the capacity or service quality of link are caused.
In this step, the target network node is notified to carry out receiving preparation and be specially：Network side, which sends to receive, prepares logical
Know the target network node to final choice, the target network node prepares pre-configured in notifying according to the receiving received
Information is configured, and feeding back confirmation message gives the network side after the completion of configuration；Specifically, the target network node is described
AP reserves resource, and opens the timer pre-set, when the timer then after, the AP does not access the target network yet
Network node, then discharge the resource.Now, network side can be after the confirmation message of target network node feedback be received, will
Preconfigured information is sent to AP.Here, the statistics the time required to the duration of the timer can be accessed according to AP many successes
Average and be configured, for example, could be arranged to 200ms, be the time that AP reserves resource as target network node, if
After expiration of the timer, AP is still without completion access procedure, then it is assumed that access failure, and target network node will discharge reserved money
Source and configuration；When AP accesses target network node after expiration of the timer, now described reserved resource has discharged, and AP needs
Access to target network node is completed according to existing access process.
Wherein, above-mentioned preconfigured information can the mark including target network node, working frequency points, bandwidth, emission parameter
Limitation etc.；Wherein, emission parameter limitation can be maximum transmission power, antenna radiation pattern of permission etc..
Step 103, AP accesses the target network node according to the preconfigured information of acquisition.
Specifically, AP finds according to the mark of the target network node of the preconfigured information and accesses objective network section
Point, and the emission parameter limitation of the target network node in preconfigured information, the maximum transmission power such as allowed, antenna side
Configuration is completed to figure etc..
Fig. 2 shows the implementation process of the embodiment one of the method for pre-configuration of back haul link of the present invention, as shown in Fig. 2 this
Embodiment is using network side as OAM, and AP is to illustrate exemplified by RN, wherein, it is DeNB with the network nodes of RN functions is received；
It should be understood that when network side is other network elements, when AP is other access entity, handling process is similar therewith；Under the present embodiment includes
State step：
Step 201, RN reports self-ability, and ask preconfigured information with terminal identity access network to OAM；
RN is to obtain configuration parameter required during as RN normal works using terminal identity access network：Now, RN
Its accessible any eNB is selected, can specifically include the eNB for supporting and not supporting to receive RN functions, and then set up RN and net
The connection of network side, the configuration parameter needed for RN normal mode of operation is subsequently entered with acquisition.
The network that RN completes terminal identity is initially accessed, and is established with after the contacting of OAM, reporting self-ability to supply to OAM
OAM is that RN selects suitable DeNB, and asks preconfigured information；Wherein RN reports the information of self-ability to include to OAM
Working frequency points, the bandwidth of operation itself supported, maximum transmission power, positional information, the ability of access terminal one itself supported
Plant or a variety of；Be specifically as follows itself support working frequency range 500-1000MHz, itself support bandwidth of operation (5MHz,
10MHz, 20MHz), maximum transmission power 100W, positional information can such as be represented using longitude and latitude：45 degree of east longitude, 32 degree of north latitude,
The ability of access terminal such as AP supports terminal, quantity 10000, the type of service of LTE R8 versions：Voice, data.
Step 202, OAM is RN selection target DeNB, to receive the RN；
The OAM is that the suitable DeNB processes of RN selections are specially：The positional information reported according to the RN, in the RN
On the position at place in optional DeNB, when there is the DeNB for meeting the RN demands, OAM selects the suitable DeNB as institute
State RN target DeNB；The self-ability reported according to above-mentioned RN, selection at least meets frequency, the required band that the RN is supported
Wide DeNB, such as in the DeNB that RN positions can be selected, there is following two DeNB：DeNB1 and DeNB2, wherein DeNB1
Running parameter be：Working frequency points 600MHz, bandwidth of operation 10MHz, the maximum transmission power allowed are 200W；DeNB2 work
It is as parameter：Working frequency points 600MHz, bandwidth of operation 8MHz, the maximum transmission power allowed are 200W.According to RN report from
Body ability：The working frequency range 500-1000MHz itself supported, the bandwidth of operation (5MHz, 10MHz, 20MHz), most itself supported
Big transmission power 100W etc., OAM will select target DeNBs of the DeNB 1 as the RN.
Here, if backhaul link resource shares the mandate frequency spectrum for taking LTE/LTE-A with access link between RN and DeNB,
The service quality of access link and the impression of user will certainly be influenceed, here when there are multiple DeNB for meeting the RN demands
When, OAM is when choosing target DeNB, and prioritizing selection back haul link works in the DeNB of idle frequency spectrum resource；Secondly selection can be with
The DeNB of back haul link is set up by coordinating TVWS resources；Finally selection wireless backhaul link works in mandate frequency spectrum, and awards
Weigh the more abundant DeNB of frequency spectrum resource.
Step 203, OAM sends to receive and prepares to notify to prepare logical according to described receive to the target DeNB, target DeNB
Know and configured, feeding back confirmation message is to OAM after the completion of configuration；
The target DeNB receives the receiving from OAM and prepared after notifying, performs and receives preparation.Specifically include target DeNB
Prepare the preconfigured information in notifying according to the OAM receivings sent to be configured, be that the RN reserves resource；The target DeNB
After the completion of configuration, to OAM feeding back confirmation messages.It can also include in this step：Open the timer pre-set；When described fixed
When device then after, the RN will discharge resource reserved before this still without access target DeNB, then target DeNB.
Step 204, OAM is received after target DeNB confirmation message, and preconfigured information is fed back into RN；
Here, the preconfigured information of OAM feedbacks includes but is not limited to：Target DeNB mark, working frequency points, bandwidth, hair
Penetrate parameter limitation, and the related information of target DeNB cells etc..
Step 205, RN finds the target DeNB by the mark of the target DeNB in OAM preconfigured information
Accessed, and the emission parameter limitation in preconfigured information, the maximum transmission power such as allowed, antenna radiation pattern are complete
Into configuration.
Fig. 3 shows the implementation process of the embodiment two of the method for pre-configuration of back haul link of the present invention, as shown in figure 3, this
Embodiment is using network side as OAM, and AP is to illustrate exemplified by RN, wherein, it is DeNB with the network nodes of RN functions is received；
It should be understood that when network side is other network elements, when AP is other access entity, handling process is similar therewith；Under the present embodiment includes
State step：
Step 301, RN reports self-ability, and ask preconfigured information with terminal identity access network to OAM；
RN is to obtain configuration parameter required during as RN normal works using terminal identity access network：Now, RN
Its accessible any eNB is selected, can specifically include the eNB for supporting and not supporting to receive RN functions, and then set up RN and net
The connection of network side, the configuration parameter needed for RN normal mode of operation is subsequently entered with acquisition.
The network that RN completes terminal identity is initially accessed, and is established with after the contacting of OAM, reporting self-ability to supply to OAM
OAM is that RN selects suitable DeNB, and asks preconfigured information；Wherein RN reports the information of self-ability to include to OAM
Working frequency points, the bandwidth of operation itself supported, maximum transmission power, positional information, the ability of access terminal itself supported
It is one or more.
Step 302, OAM is RN selection target DeNB, to receive the RN；
The OAM is that the suitable DeNB processes of RN selections are specially：The positional information reported according to the RN, in the RN
On the position at place in optional DeNB, when there is the DeNB for meeting the RN demands, OAM selects the suitable DeNB as institute
RN target DeNB, i.e., the self-ability reported according to above-mentioned RN are stated, selection at least meets frequency, the required band that the RN is supported
Wide DeNB；
Here, if backhaul link resource shares the mandate frequency spectrum for taking LTE/LTE-A with access link between RN and DeNB,
The service quality of access link and the impression of user will certainly be influenceed, here when there are multiple DeNB for meeting the RN demands
When, OAM is when choosing target DeNB, and prioritizing selection back haul link works in the DeNB of idle frequency spectrum resource；Secondly selection passes through
Coordinate TVWS resources to set up the DeNB of back haul link；Finally selection wireless backhaul link works in mandate frequency spectrum, and authorizes frequency
The more abundant DeNB of spectrum resource.
Step 303, OAM sends to receive and notified to the target DeNB, target DeNB according to the receiving preparation notify into
Row configuration, feeding back confirmation message is to OAM after the completion of configuration；
The target DeNB receives the receiving from OAM and prepared after notifying, performs and receives preparation.Specifically include target DeNB
Prepare the preconfigured information in notifying according to the OAM receivings sent to be configured, be that the RN reserves resource；The target DeNB
After the completion of configuration, to OAM feeding back confirmation messages.It can also include in this step：The timer pre-set is opened simultaneously；Work as institute
After stating timer then, the RN will discharge resource reserved before this still without access target DeNB, then target DeNB.
Step 304, OAM is that the RN is chosen after target DeNB, i.e., preconfigured information is fed back into RN；
In the present embodiment, OAM is without waiting for after the confirmation message for receiving target DeNB, then feeds back preconfigured information to RN.
In this case, RN searchings DeNB process can carry out receiving the process of preparation carry out simultaneously with target DeNB, reduce reality
Apply the time that RN described in example one waits preconfigured information.
It is noted that step 303 and step 304 are in realization without inevitable sequencing.
Here, include but is not limited in the preconfigured information of OAM feedbacks：Target DeNB mark, working frequency points, bandwidth,
The maximum transmission power that emission parameter limitation such as allows；In addition, the preconfigured information can also include further comprising mesh
Mark the related information of DeNB cells；The related information of DeNB cells can not also be included；The related information of the DeNB cells is also
It can be obtained when follow-up RN accesses target DeNB.
Step 305, RN finds the target DeNB by the mark of the target DeNB in OAM preconfigured information
Accessed, and the emission parameter limitation in preconfigured information, the maximum transmission power such as allowed, antenna elevation angle, side
Configuration is completed to waiting.
Fig. 4 shows the implementation process of the embodiment three of the method for pre-configuration of back haul link of the present invention, as shown in figure 4, this
Embodiment is using network side as OAM, and AP is to illustrate exemplified by RN, wherein, it is DeNB with the network nodes of RN functions is received；
It should be understood that when network side is other network elements, when AP is other access entity, handling process is similar therewith；Under the present embodiment includes
State step：
Step 401, RN reports self-ability, and ask preconfigured information with terminal identity access network to OAM；
RN is to obtain configuration parameter required during as RN normal works using terminal identity access network：Now, RN
Its accessible any eNB is selected, can specifically include the eNB for supporting and not supporting to receive RN functions, and then set up RN and net
The connection of network side, the configuration parameter needed for RN normal mode of operation is subsequently entered with acquisition.
The network that RN completes terminal identity is initially accessed, and is established with after the contacting of OAM, reporting self-ability to supply to OAM
OAM is that RN selects suitable DeNB, and asks preconfigured information；Wherein RN reports the information of self-ability to include to OAM
Working frequency points, the bandwidth of operation itself supported, maximum transmission power, positional information, the ability of access terminal itself supported
It is one or more.
Step 402, OAM is that RN obtains suitable target DeNB by coordinating resource, to receive the RN；
The OAM is that the suitable DeNB processes of RN selections are specially：The positional information reported according to the RN, in the RN
On the position at place in optional DeNB, during in the absence of the DeNB for meeting RN requirements, OAM selects a DeNB, and is its coordination
Resource, makes the DeNB disclosure satisfy that the frequency for receiving RN to support, the frequency spectrum resource requirement of required bandwidth.Wherein, the mode of coordination
It can be provided for the OAM idle frequency spectrums for obtaining the storage in database (Data Base, DB) by the CCP modules of therein
Source or with the CCP of other communication systems interact idle frequency spectrum resource to obtain other systems or with the system its
The CCP in its region interacts to obtain idle frequency spectrum resource.
OAM is the idle frequency spectrum resource that DeNB coordinates, i.e., in certain area or the frequency not used on the time by throwing power user
Spectrum resource；Can be specifically TV band idle frequency spectrum (TVWS, TV White Spaces), gsm system idle frequency spectrum resource,
3G (WCDMA/CDMA2000/TD-SCDMA) systems idle frequency spectrum resource, one kind of LTE/LTE-A system idle frequency spectrum resources or
It is a variety of.
Step 403, OAM is obtained after suitable resource, distributes to the DeNB, and using the DeNB as the RN mesh
DeNB is marked, sends and receives notice to the target DeNB, target DeNB notifies to be configured according to described receive, after the completion of configuration
Feeding back confirmation message is to OAM；
The target DeNB receives the receiving from OAM and prepared after notifying, performs and receives preparation.Specifically include target DeNB
Prepare the preconfigured information in notifying according to the OAM receivings sent to be configured, be that the RN reserves resource；The target DeNB
After the completion of configuration, to OAM feeding back confirmation messages.It can also include in this step：The timer pre-set is opened simultaneously, works as institute
After stating timer then, the RN will discharge resource reserved before this still without access target DeNB, then target DeNB.
Step 404, OAM is received after target DeNB confirmation message, and preconfigured information is fed back into RN；
Here, include but is not limited in the preconfigured information of OAM feedbacks：Target DeNB mark, working frequency points, bandwidth,
Emission parameter is limited, and target DeNB cell-related informations.
Step 405, RN finds the target DeNB by the mark of the target DeNB in OAM preconfigured information
Accessed, and the emission parameter limitation in preconfigured information, the maximum transmission power such as allowed, antenna elevation angle, side
Configuration is completed to waiting.
Fig. 5 shows the structural representation of the pre-configuration system of back haul link of the present invention, and Fig. 6 shows system shown in Figure 5
Application scenarios are illustrated, and the part of dotted line frame is the pre-configuration system shown in Fig. 5 in Fig. 6, as shown in figure 5, the system includes
AP, network side；Wherein,
The AP, for after with terminal identity access network, reporting self-ability and asking preconfigured information；According to obtaining
The preconfigured information access target network node taken；
Network side, is the AP selection targets network node for the self-ability reported according to the AP, notifies described
Target network node carries out receiving preparation, and preconfigured information is fed back into the AP；The network side can be core-network side
Network element or webmaster side network element；Core-network side network element can be including MME, SGW, PGW, HSS etc.；Webmaster side network element can include OAM,
EMS, NMS, eNB, DeNB, CCP, NRM, RE etc..
Further, the AP, the one or more specifically for reporting following information to network side：The work that itself is supported
Make frequency, the bandwidth of operation itself supported, maximum transmission power, positional information, the ability of access terminal.Wherein, access terminal
Ability include AP and support the one or more of version, quantity, the type of service of access terminal etc..
Further, the network side, specifically for the positional information in the self-ability that is reported according to the AP, selection
At least meet frequency, the target network node of required bandwidth that the AP is supported.
Wherein, the network side, is additionally operable to the target network that prioritizing selection wireless backhaul link works in idle frequency spectrum resource
Network node；Secondly the target network node of back haul link is set up in selection by coordinating idle frequency spectrum resource；Wherein, idle frequency spectrum is provided
Source is including the TV band idle frequency spectrum TVWS moneys in certain area or uncommitted user uses on the time frequency spectrum resource
Source, gsm system idle frequency spectrum resource, 3G systems idle frequency spectrum resource, one kind or many of LTE/LTE-A system idle frequency spectrum resources
Kind.When AP back haul link configuration uses these idle frequency spectrums, it can avoid mutual between back haul link and access link
Interference, and the influence caused to the capacity or service quality of wireless access links.
Further, the network side, is additionally operable to work as to be not present and sets up back haul link by coordinating idle frequency spectrum resource
During target network node, selection back haul link works in mandate frequency spectrum, and authorizes the abundant target network node of frequency spectrum resource.
Further, the system also includes target network node；
The network side, is additionally operable to send and receives preparation to notify to the target network node；
The target network node, for being configured according to the preconfigured information received in preparing to notify, is configured
After the completion of feeding back confirmation message give the network side.
Wherein, the target network node, specifically for reserving resource for the AP, and opens the default timing set
Device, when the timer then after, when the AP is not accessed yet, then discharge the resource.Here, the duration of the timer can
Averaged and be configured with the statistics the time required to being accessed according to AP many successes, for example, could be arranged to 200ms, be used as mesh
It is the time that AP reserves resource to mark network node, if after expiration of the timer, AP is still without completion access procedure, then it is assumed that connect
Enter failure, target network node will discharge the resource reserved and configuration；When AP accesses target network node after expiration of the timer,
Now described reserved resource has discharged, and AP needs to complete the access to target network node according to existing access process.
Wherein, mark of the preconfigured information including target network node, working frequency points, bandwidth, emission parameter limitation
One or more；Wherein, emission parameter limitation can be maximum transmission power, antenna radiation pattern of permission etc..
The AP, specifically for the mark according to the target network node, finds and accesses the target network node,
And limited according to the emission parameter of the target network node, maximum transmission power, the antenna radiation pattern such as allowed completes to match somebody with somebody
Put.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (18)
1. a kind of method for pre-configuration of back haul link, it is characterised in that methods described includes：
Access node AP is reported self-ability and is asked preconfigured information with terminal identity access network；
The self-ability that network side is reported according to the AP, is the AP selection targets network node, notifies the objective network
Node carries out receiving preparation, and preconfigured information is fed back into the AP；
AP accesses the target network node according to the preconfigured information of acquisition；
Wherein, the network side is that the AP selection targets network node includes：
Prioritizing selection wireless backhaul link works in the target network node of idle frequency spectrum resource；Secondly selection is idle by coordinating
Frequency spectrum resource sets up the target network node of back haul link.
2. according to the method described in claim 1, it is characterised in that the network side is core-network side network element or webmaster side net
Member；The target network node is with the network node for receiving AP abilities.
3. method according to claim 2, it is characterised in that the AP reports the self-ability to be：
AP reports the one or more of following information to network side：Itself support working frequency points, itself support bandwidth of operation,
Maximum transmission power, positional information, the ability of access terminal.
4. method according to claim 3, it is characterised in that the ability of the access terminal supports access eventually including AP
The version at end, quantity, the one or more of type of service.
5. method according to claim 2, it is characterised in that the network side is the AP selection targets network node
For：
Positional information in the self-ability that network side is reported according to the AP, selection at least meet the frequency that the AP supports,
The target network node of required bandwidth.
6. method according to claim 5, it is characterised in that the uncommitted user of idle frequency spectrum resource uses
Frequency spectrum resource, including TV band idle frequency spectrum TVWS resources, global mobile communication gsm system idle frequency spectrum resource, 3G systems
The one or more of idle frequency spectrum resource, Long Term Evolution/senior long term evolution LTE/LTE-A system idle frequency spectrum resources.
7. the method according to claim 5 or 6, it is characterised in that provided when in the absence of network side by coordinating idle frequency spectrum
When the target network node of back haul link is set up in source, the network side is that the AP selection targets network node also includes：
Selection back haul link works in mandate frequency spectrum, and authorizes the abundant target network node of frequency spectrum resource.
8. method according to claim 2, it is characterised in that the network side notifies target network node to carry out receiving accurate
It is standby to be：
Network side, which sends to receive, to be prepared to notify to the target network node；
The target network node is configured according to the preconfigured information received in preparing to notify, is fed back after the completion of configuration
Confirmation message gives the network side.
9. method according to claim 8, it is characterised in that the target network node prepares to notify according to described receive
In preconfigured information be configured to：
The target network node is that the AP reserves resource, and opens the timer that pre-sets, when the timer then
Afterwards, the AP does not access the target network node yet, then discharges the reserved resource.
10. according to the method described in claim 1, it is characterised in that the preconfigured information includes the mark of target network node
Knowledge, working frequency points, bandwidth, the one or more of emission parameter limitation；
The AP accesses the target network node according to the preconfigured information of acquisition：
The AP finds according to the mark of the target network node and accesses the target network node, and according to the mesh
The emission parameter limitation for marking network node completes configuration.
11. a kind of pre-configuration system of back haul link, it is characterised in that the system includes：AP, network side；Wherein,
The AP, for after with terminal identity access network, reporting self-ability and asking preconfigured information；According to acquisition
Preconfigured information accesses target network node；
Network side, for the self-ability reported according to the AP, is the AP selection targets network node, notifies the target
Network node carries out receiving preparation, and preconfigured information is fed back into the AP；
Wherein, the network side is that the AP selection targets network node includes：
Prioritizing selection wireless backhaul link works in the target network node of idle frequency spectrum resource；Secondly selection is idle by coordinating
Frequency spectrum resource sets up the target network node of back haul link.
12. system according to claim 11, it is characterised in that the AP, specifically for reporting following letter to network side
The one or more of breath：The working frequency points itself supported, the bandwidth of operation itself supported, maximum transmission power, positional information, connect
Enter the ability of terminal.
13. system according to claim 11, it is characterised in that the network side, specifically for being reported according to the AP
Self-ability in positional information, selection at least meets frequency, the target network node of required bandwidth that the AP is supported.
14. system according to claim 13, it is characterised in that the idle frequency spectrum resource is that uncommitted user uses
Frequency spectrum resource, including TV band idle frequency spectrum TVWS resources, gsm system idle frequency spectrum resource, 3G systems idle frequency spectrum money
Source, the one or more of LTE/LTE-A system idle frequency spectrum resources.
15. the system according to claim 13 or 14, it is characterised in that the network side, it is additionally operable to pass through when being not present
When coordination idle frequency spectrum resource sets up the target network node of back haul link, selection back haul link works in mandate frequency spectrum, and awards
Weigh the abundant target network node of frequency spectrum resource.
16. system according to claim 11, it is characterised in that the system also includes target network node；
The network side, is additionally operable to send and receives preparation to notify to the target network node；
The target network node, for being configured according to the preconfigured information received in preparing to notify, configuration is completed
Feeding back confirmation message gives the network side afterwards.
17. system according to claim 16, it is characterised in that the target network node, specifically for for the AP
Reserved resource, and open the default timer set, when the timer then after, when the AP is not accessed yet, then discharge institute
State resource.
18. system according to claim 11, it is characterised in that the preconfigured information includes the mark of target network node
Knowledge, working frequency points, bandwidth, the one or more of emission parameter limitation；
The AP, specifically for the mark according to the target network node, finds and accesses the target network node, and root
Configuration is completed according to the emission parameter limitation of the target network node.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110264118.1A CN102984708B (en) | 2011-09-07 | 2011-09-07 | The method for pre-configuration and system of a kind of back haul link |
| PCT/CN2012/077966 WO2013034021A1 (en) | 2011-09-07 | 2012-06-29 | Pre-configuration method and system for backhaul link, and network side device |
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| CN201110264118.1A CN102984708B (en) | 2011-09-07 | 2011-09-07 | The method for pre-configuration and system of a kind of back haul link |
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| US9642146B2 (en) | 2013-06-05 | 2017-05-02 | Huawei Technologies Co., Ltd. | System and method for an agile wireless access network |
| CN104468383B (en) * | 2014-12-15 | 2018-11-09 | 北京奇安信科技有限公司 | The method, apparatus and system of bandwidth limitation |
| CN105992368B (en) * | 2015-03-06 | 2021-10-12 | 大唐移动通信设备有限公司 | Resource allocation method and related equipment |
| CN106162817A (en) * | 2015-04-03 | 2016-11-23 | 北京佰才邦技术有限公司 | The method for building up of wireless backhaul links, device and communication system |
| CN106452703B (en) * | 2015-08-10 | 2019-04-26 | 普天信息技术有限公司 | Relay the resource allocation methods and relay node of return link and access link |
| CN106714207B (en) | 2016-12-07 | 2019-04-16 | Oppo广东移动通信有限公司 | A kind of information processing method and terminal device |
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| CN101291167A (en) * | 2007-04-20 | 2008-10-22 | 华为技术有限公司 | Bi-mode relay station, network access method, mode switching method and control station thereof |
| CN101400143A (en) * | 2007-09-26 | 2009-04-01 | 华为技术有限公司 | Redirecting method, system and apparatus for UE |
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| CN101164351B (en) * | 2006-03-03 | 2011-04-20 | 华为技术有限公司 | User equipment access method in mobile communication system |
| CN101990280B (en) * | 2009-08-04 | 2013-10-09 | 华为技术有限公司 | Default access point name selection method and device |
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| CN101291167A (en) * | 2007-04-20 | 2008-10-22 | 华为技术有限公司 | Bi-mode relay station, network access method, mode switching method and control station thereof |
| CN101400143A (en) * | 2007-09-26 | 2009-04-01 | 华为技术有限公司 | Redirecting method, system and apparatus for UE |
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