CN106162779A - For the method keeping the business continuance of subscriber equipment - Google Patents
For the method keeping the business continuance of subscriber equipment Download PDFInfo
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- CN106162779A CN106162779A CN201510167700.4A CN201510167700A CN106162779A CN 106162779 A CN106162779 A CN 106162779A CN 201510167700 A CN201510167700 A CN 201510167700A CN 106162779 A CN106162779 A CN 106162779A
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Abstract
The present invention relates in the first base station and subscriber equipment for keeping the successional method of the business of subscriber equipment, wherein, this subscriber equipment moves to the first base station range from repeater coverage, in the first base station, the method includes: A1. is the specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of user equipment allocation and/or specific targeting sequencing；A2. specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or specific targeting sequencing are sent to subscriber equipment；Subscriber equipment is identified the most in the random access procedure according to specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or specific targeting sequencing；A4. the path of the business having built up of switching subscriber equipment.Moreover, it relates to for keeping the successional method of the business of subscriber equipment in the first base station and in subscriber equipment, wherein, this subscriber equipment moves to repeater coverage from the first base station range.By method of the invention, it is possible to guarantee business continuance, it is to avoid data-bag lost.
Description
Technical field
The present invention relates to field of wireless.In particular it relates to one is used for keeping
The method of the business continuance of subscriber equipment.
Background technology
Currently, adjacent service (ProSe) directly communication has been introduced in LTE-A.Support
The subscriber equipment that adjacent service directly communicates can run in two spike-type cultivars allocation model, i.e. adjusts
Degree resources mode and subscriber equipment select resources mode voluntarily.When subscriber equipment is at MPS process model
Time outside enclosing, it can use and select resources mode straight with other neighbouring subscriber equipmenies voluntarily
Connect and carry out data transmission.But, in this case, subscriber equipment can not perform Network.
To this end, introduce a kind of subscriber equipment to the repeater of network to support network coverage
Extension.As it is shown in figure 1, subscriber equipment to the repeater of network is positioned at the coverage of base station
Within (i.e. within the coverage of jurisdiction district, base station), therefore it can pass through Uu interface
Communicate with base station.Although owing to remote user equipment cannot be with outside the coverage of base station
Base station directly communicates, but this remote user equipment can pass through PC5 interface and repeater
Carry out neighbouring directly communication (ProSe Direct Communication), and by this repeater
Perform Network.
As in figure 2 it is shown, when this remote user equipment moves to the coverage of base station,
It just directly can communicate with base station, without the repeater of subscriber equipment to network
Help.If remote user equipment performs common access step after it enters MPS process
To set up business, the most current ongoing business can be interrupted.This can affect the experience of user,
It is that user is less desirable.Meanwhile, the interruption of business also results in lost data packets.
Additionally, when subscriber equipment is originally within the coverage of base station, when its move to
Outside the coverage of base station and ask subscriber equipment to the repeater of network to provide business
Time, also there will be that business is discontinuous and the problem of data-bag lost.
Fig. 3 shows a kind of deformation of the situation shown in Fig. 2.In figure 3, long-distance user
Equipment moves to the coverage of another base station, and this another base station is subordinate to repeater
The base station (base station that i.e. repeater is accessed) belonged to is different.Similarly, in this situation
Under also result in the interruption of business of remote user equipment.
Summary of the invention
In order to avoid moving between base station range and repeater coverage when subscriber equipment
The business caused time dynamic is discontinuous, it is necessary to propose a kind of business for keeping subscriber equipment
Successional scheme.
In order to realize the purpose of the present invention, a first aspect of the present invention provides a kind of first
For keeping the successional method of the business of subscriber equipment in base station, wherein, described user sets
For moving to the first base station range from repeater coverage, described method includes following step
Rapid: A1. is the specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of described user equipment allocation and/or specific
Targeting sequencing；A2. by described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or described specific
Targeting sequencing send to described subscriber equipment；The most in the random access procedure according to described spy
Fixed Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or described specific targeting sequencing identify described use
Family equipment；And the path of the business having built up of the A4. described subscriber equipment of switching.
By said method, by making the first base station be capable of identify that in the random access procedure
Subscriber equipment and be this subscriber equipment service switchover path, to keep moving from repeater scope
Business continuance to the subscriber equipment of the first base station range.
In a kind of embodiment according to the method for the present invention, it is under the jurisdiction of at described repeater
In the case of described first base station, by described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or institute
State specific targeting sequencing to send to described subscriber equipment via described repeater.
In a kind of embodiment according to the method for the present invention, before described step A1
Comprise the following steps: a11. receives described first via described repeater at described subscriber equipment
The Reference Signal Received Power of base station and/or Reference Signal Received Quality；A12. in described reference
Signal receives power and/or Reference Signal Received Quality more than corresponding predetermined threshold value
In the case of, perform step A1.
In this way, after subscriber equipment actually enters the coverage of the first base station,
First base station is just the specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of this user equipment allocation and/or spy
Fixed targeting sequencing, thus save Radio Resource.
In a kind of embodiment according to the method for the present invention, it is not subordinate at described repeater
In the case of described first base station, by described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/
Or described specific targeting sequencing sends to described user via the second base station and described repeater
Equipment, wherein, described repeater is under the jurisdiction of described second base station.During this embodiment considers
The device that continues is not affiliated with the situation of the first base station, extends the range of application of the present invention.
In a kind of embodiment according to the method for the present invention, before described step A1
Comprise the following steps: a21. receive from the second base station that described repeater is subordinate to for point
Join the request of described Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or for distributing described specific leading sequence
The request of row.In this way, guarantee in the case of repeater is not affiliated with the first base station
The seriality of business.
In a kind of embodiment according to the method for the present invention, described described little for distributing
District's Radio Network Temporary Identifier is asked and/or described for distributing described specific targeting sequencing
Sent by described second base station in the case of request any one in meeting following condition:
Described second base station judge described subscriber equipment by enter described first base station coverage or
Second base station described in person determines that described subscriber equipment has been enter into the coverage of described first base station；
Described second base station judges that Reference Signal Received Power and/or Reference Signal Received Quality are more than phase
The predetermined threshold value answered, wherein, described subscriber equipment via described repeater to described
Two base stations send described Reference Signal Received Power and/or described signal receiving quality.
In a kind of embodiment according to the method for the present invention, in described step A4,
Undelivered or the Packet Data Unit that do not sends are continued to be transferred to described user by described repeater
Equipment, or described first base station receive the described undelivered of described repeater or do not send point
Group data cell also sends to described subscriber equipment.In this way it is ensured that business is not interrupted
And data do not lose.
A second aspect of the present invention provides a kind of seriality keeping business in a user device
Method, wherein, described subscriber equipment from repeater coverage move to first base station cover
Scope, said method comprising the steps of: B1. reception is the least by the first base station distribution
District's Radio Network Temporary Identifier and/or specific targeting sequencing；Make the most in the random access procedure
With described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or described specific targeting sequencing.
In a kind of embodiment according to the method for the present invention, it is under the jurisdiction of at described repeater
In the case of described first base station, comprised the following steps before described step B1: b11. surveys
Measure Reference Signal Received Power and/or the Reference Signal Received Quality of described first base station；b12.
Described Reference Signal Received Power and/or institute is sent to described first base station via described repeater
State Reference Signal Received Quality.
In a kind of embodiment according to the method for the present invention, it is not subordinate at described repeater
In the case of described first base station, comprised the following steps before described step B1: b21. surveys
Measure Reference Signal Received Power and/or the Reference Signal Received Quality of described first base station；b22.
Described Reference Signal Received Power and/or institute is sent to described second base station via described repeater
State Reference Signal Received Quality.
A third aspect of the present invention provides one in the first base station for keeping subscriber equipment
The successional method of business, wherein, described subscriber equipment moves from the first base station range
Move to repeater coverage, said method comprising the steps of: C1. is from described subscriber equipment
Described repeater is known at place；C2. judge whether described repeater is under the jurisdiction of described first base station；
If the most described repeater is under the jurisdiction of described first base station, then it is in the free time at described repeater
Wireless heterogeneous networks (the RRC:Radio Resource with described repeater is set up during state
Control) connect；C4. the connection with described subscriber equipment is released；And C5. switching is described
The path of the business having built up of subscriber equipment.
With it, move to repeater covering model from base station range at subscriber equipment
During enclosing, set up by the step finding repeater of subscriber equipment and the switching of base station
The step of business avoids the interruption of business, thus keeps business continuance.
In a kind of embodiment according to the method for the present invention, it is not subordinate at described repeater
In the case of described first base station, perform following steps: the c31. described repeater of inquiry be subordinate to
The second base station；C32. notify that the Radio Resource control with described repeater is set up in described second base station
System connects.
In this way, in the case of repeater is not subordinate to the first base station, it is possible to by
Connection between the second base station that repeater is set up in first base station and repeater is subordinate to.Thus
Extend the range of application of the present invention.
In a kind of embodiment according to the method for the present invention, before described step C1
Further comprising the steps of: c11. receive at described subscriber equipment Reference Signal Received Power and/
Or Reference Signal Received Quality；C12. according to described Reference Signal Received Power and/or described ginseng
The information examining signal receiving quality and adjacent cell is found described to trigger described subscriber equipment
Repeater.
A fourth aspect of the present invention provides one in a user device for keeping subscriber equipment
The successional method of business, wherein, described subscriber equipment moves from the first base station range
Move to repeater coverage, said method comprising the steps of: D1. measures described first base
The Reference Signal Received Power stood and/or Reference Signal Received Quality；D2. in described reference signal
Receive power and/or the Reference Signal Received Quality situation less than corresponding predetermined threshold value
Under, find described repeater；And the described repeater searched out is notified to described base by D3.
Stand.
In a kind of embodiment according to the method for the present invention, described step D2 also includes:
In the case of searching out multiple repeater, select according to the signal intensity of the plurality of repeater
Optimum repeater.The repeater of this optimum can be such as the repeater that signal intensity is the strongest.
In sum, the method for the foundation present invention is able to ensure that and covers from repeater at subscriber equipment
Lid scope moves to base station range and subscriber equipment and moves to relaying from base station range
Business continuance in the case of device coverage, it is to avoid data-bag lost, improves user's body
Test.
Accompanying drawing explanation
Embodiments of the invention are explained further, wherein with reference to figure below and explanation:
Fig. 1 shows the schematic diagram that subscriber equipment is communicated by repeater and base station；
Fig. 2 shows that the subscriber equipment in Fig. 1 is to showing that the community that repeater is subordinate to is moved
It is intended to；
Fig. 3 shows the other community that the subscriber equipment in Fig. 1 is subordinate to non-repeater
The schematic diagram of movement；
Fig. 4 show according to the present invention in the first base station at subscriber equipment from relaying
Device coverage keeps the successional of the business of subscriber equipment when base station range moves
The flow chart of method；
Fig. 5 show according to one embodiment of the present invention for subscriber equipment in
The method schematic diagram of the business continuance of subscriber equipment is kept when the community that the device that continues is subordinate to is moved；
Fig. 6 show according to another embodiment of the invention for subscriber equipment to
The method signal of the business continuance of subscriber equipment is kept when the community that repeater is subordinate to is moved
Figure；
Fig. 7 show according to one embodiment of the present invention at subscriber equipment to non-
The method signal of the business continuance of subscriber equipment is kept when the community that repeater is subordinate to is moved
Figure；
Fig. 8 show according to another embodiment of the invention for subscriber equipment to
The method keeping the business continuance of subscriber equipment when the community that non-repeater is subordinate to is moved is shown
It is intended to；
Fig. 9 show according to the present invention in the first base station at subscriber equipment from base station
Coverage keeps the successional of the business of subscriber equipment when repeater coverage moves
The flow chart of method；And
Figure 10 show according to one embodiment of the present invention for subscriber equipment to
It is under the jurisdiction of the successional side of the business keeping subscriber equipment when the repeater of the first base station moves
Method schematic diagram.
Detailed description of the invention
In the specific descriptions of following preferred embodiment, will be with reference to constituting a present invention part
Appended accompanying drawing.Appended accompanying drawing has been illustrated by way of example and has been capable of the present invention's
Specific embodiment.The embodiment of example is not intended as the limit all enforcements according to the present invention
Example.It is appreciated that without departing from the scope of the present invention, it is possible to use other are implemented
Example, it is also possible to carry out the structural or amendment of logicality.Therefore, following specific descriptions are also
Nonrestrictive, and the scope of the present invention is defined by the claims appended hereto.
Fig. 4 show according to the present invention in the first base station at subscriber equipment from relaying
Device coverage keeps the successional of the business of subscriber equipment when base station range moves
The flow chart of method.
As described in Figure 4, in step S401, the first base station is that user equipment allocation is specific
Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or specific targeting sequencing.
The process of this distribution can enter the advance of coverage of the first base station at subscriber equipment
OK.Normally, serving BS can be only the user equipment allocation community within its coverage
Radio Network Temporary Identifier (C-RNTI:Cell Radio Network Temporary Identifier)
And targeting sequencing.But so that the first base station can connect at random according to these identification informations
Identify during entering and move the subscriber equipment to base station range from repeater coverage,
Allowing the first base station at this is that remote user equipment distributes specific cell-radio network in advance and faces
Time mark and/or specific targeting sequencing.
Additionally, the process of this distribution also is able to enter the covering model of the first base station at subscriber equipment
Enclose and carry out afterwards.After subscriber equipment has just enter into the coverage of the first base station, it is not the most built
Stand and be connected with the RRC of the first base station, but keep the connection with repeater by PC5 interface.
Now, subscriber equipment can send Reference Signal Received Power by this repeater to the first base station
And/or Reference Signal Received Quality.Receive power herein with reference to signal and/or reference signal receives
Quality refers to that the reference signal of the first jurisdiction district, base station that described subscriber equipment records receives merit
Rate and/or Reference Signal Received Quality.First base station can be according to watt level and/or quality water
Flat know subscriber equipment and come into its coverage, such as, judge this watt level and/or quality
Whether level is more than corresponding predetermined threshold value.Accordingly, the first base station is this subscriber equipment
Distribute specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or specific targeting sequencing.
In step S402, the first base station is by interim for the specific cell-radio network distributed
Mark and/or specific targeting sequencing are sent to this subscriber equipment.
Subscriber equipment is receiving this specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or specific
Targeting sequencing after just start to start random access procedure.And in the random access procedure, use
Family equipment uses this specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or specific targeting sequencing.
Therefore, in step S403, the first base station in the random access procedure can be according to spy
Fixed Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or specific targeting sequencing identify subscriber equipment.
In step s 404, the road of the business having built up of the first base station switching subscriber equipment
Footpath.Meanwhile, undelivered or the Packet Data Unit that do not sends are continued to be transferred to user by repeater
Equipment, so that it is guaranteed that do not have loss of data.Additionally, the first base station can also receive repeater
Undelivered or the Packet Data Unit not sent also send to subscriber equipment, and this also is able to be avoided number
According to loss.After new downlink data reaches the first base station, owing to have switched service path,
New data can be transmitted directly to subscriber equipment by the first base station, it is ensured that business continuous
Property.
By the method shown in Fig. 4, by labelling by the side of the subscriber equipment of relay services
Formula, after this subscriber equipment enters base station range, base station is capable of identify that this subscriber equipment also
And carry out service switchover path, no data loss ground, thus improve Consumer's Experience.
Fig. 5 show according to one embodiment of the present invention for subscriber equipment in
Subscriber equipment is kept when the community (community that i.e. repeater is accessed) that the device that continues is subordinate to is mobile
The method schematic diagram of business continuance.
It is to remotely using in this embodiment by specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI
Family equipment is marked.First base station distribute specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and
The process being sent to subscriber equipment by repeater all enters MPS process at subscriber equipment
Complete before scope or before initiating random access procedure.Owing to being not aware that user when distribution
Equipment can enter the coverage of which base station, so exemplarily at subscriber equipment periphery
Specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (i.e. each community all can be distributed for it in multiple base stations
It is all one Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of this user equipment allocation).In this fashion,
Random access procedure can be carried out after subscriber equipment enters cell coverage area immediately, and this improves
The speed of business switching.If divided it should be noted that the first base station is remote user equipment
Having joined Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, subscriber equipment can be in the stochastic process of access network
This Cell Radio Network Temporary Identifier/Identity, Cell-RNTI is sent to the first base station, in order to the first base station is capable of identify that
This subscriber equipment, concrete, subscriber equipment can be in the Article 3 message of random access procedure
(MSG3) Cell Radio Network Temporary Identifier/Identity, Cell-RNTI distributed is indicated in the first base station；Or,
First base station can also be by having scrambled the descending of the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI that distributed
Control signaling (DCI:Downlink Control Information) triggers this subscriber equipment and enters
The Stochastic accessing that row is non-competing, concrete, after this subscriber equipment enters cell coverage area,
DCI monitored by this subscriber equipment, triggers its initiation by DCI connect at random receiving the first base station
After entering (DCI can comprise special random access leader sequence), this subscriber equipment initiate with
Machine access procedure, the first base station can identify this use by special random access leader sequence
Family equipment.
Fig. 6 show according to another embodiment of the invention for subscriber equipment to
The method signal of the business continuance of subscriber equipment is kept when the community that repeater is subordinate to is moved
Figure.
It is by specific targeting sequencing, remote user equipment to be marked in this embodiment
Note.Additionally, the reference signal by being sent by remote user equipment receives merit during the first base station
Rate and/or Reference Signal Received Quality judge whether distribution and send specific targeting sequencing.Cause
This, this mode only needs the base station to be connected of subscriber equipment to send specific targeting sequencing,
Thus save Radio Resource.The Reference Signal Received Power of remote user equipment transmission and/or ginseng
Examine signal receiving quality and associate cell ID, be i.e. the ginseng of this community that remote user equipment records
Examine signal and receive power and/or Reference Signal Received Quality.First base station is according to associating community mark
Reference Signal Received Power and/or the Reference Signal Received Quality known judge that remote user equipment is
The coverage of oneself jurisdiction district of no entrance, if entering the covering model of oneself jurisdiction district
Enclose, then distribute and send specific targeting sequencing.
Fig. 5 and Fig. 6 mainly considers community that subscriber equipment enters and repeater is subordinate to
Community is consistent situation.But, if they are inconsistent, the most such as, can use figure
Scheme shown in 7 or Fig. 8.
Fig. 7 show according to one embodiment of the present invention at subscriber equipment to non-
The method signal of the business continuance of subscriber equipment is kept when the community that repeater is subordinate to is moved
Figure.
In step s 701, remote user equipment is by repeater and the second base station (and core
Heart net) set up business.
In step S702, the second base station determine remote user equipment possibly into potential little
District, such as all communities of subscriber equipment periphery are defined as possibly into potential community.
In step S703, second base station requests the first base station is remote user equipment distribution spy
Fixed Cell Radio Network Temporary Identifier/Identity, Cell-RNTI.This first base station the most recited above possibly into
Potential community.
In step S704, the first base station is remote user equipment according to the request of the second base station
Distribute this specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, and send it to the second base station.
In step S705, this specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI is sent out by the second base station
Deliver to repeater.And in step S706, repeater continues wireless for this specific community
Network Temporary Identifier sends to remote user equipment.
If remote user equipment enters the coverage of the first base station in step S707, then
It starts random access procedure in step S708 voluntarily, and identifies in the random access procedure
Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, for the first identification of base stations；Alternatively, subscriber equipment also can
Enough initiated at random for triggering the DCI of Stochastic accessing by monitor that the first base station sent
Access procedure.
In step S709, the first base station is that this remote user equipment switches the industry having built up
The path of business, to guarantee the seriality of business.
Figure 8 illustrates according to another embodiment of the invention for setting user
Side for the business continuance keeping subscriber equipment to the community that non-repeater is subordinate to when moving
Method schematic diagram.
Scheme shown in Fig. 8 is distinguished as with Fig. 7's: enter first at remote user equipment
The distribution of specific targeting sequencing is just carried out after the coverage of base station.Therefore, when remotely using
Family equipment judges that the Reference Signal Received Power for the first base station and/or reference signal receive matter
When amount is more than corresponding predetermined threshold value, this reference signal can be received by it by repeater
Power and/or described signal receiving quality inform the second base station, and by second base station requests the first base
Stand the most leading for remote user equipment distribution.This saves nothing compared to the scheme in Fig. 7
Line resource.
(i.e. repeater is sent out by the coverage of repeater mainly to consider subscriber equipment
The effective range of the number of delivering letters) situation of the mobile coverage to base station.But, when user sets
Standby when the coverage of base station moves the coverage to repeater, the business that also results in does not connects
The continuous problem with data-bag lost.Scheme for solve this technical problem is given below.
Here, Fig. 9 show according to the present invention in the first base station at subscriber equipment
The company of the business of subscriber equipment is kept to repeater coverage when base station range moves
The flow chart of the method for continuous property.
In step S901, the first base station knows repeater at subscriber equipment.Such as, use
The identification number of repeater to be accessed is sent to the first base station by family equipment.Concrete, Yong Hushe
For by RRC signaling, the mark of repeater to be accessed being sent to the first base station.Preferably,
Subscriber equipment also by repeater to be accessed resident or accessed community mark be sent to
One base station.If subscriber equipment not by repeater to be accessed resident or accessed community
Mark, then give tacit consent to this repeater resident or accessed community by this subscriber equipment accessed little
District.
Here, in order to know repeater to be accessed, in addition it is also necessary to subscriber equipment starts in searching
Continue the step of device.In one embodiment, subscriber equipment is measured the reference signal of the first base station and is connect
Receive power and/or Reference Signal Received Quality (the reference signal reception of the i.e. first jurisdiction district, base station
Power and/or Reference Signal Received Quality), when Reference Signal Received Power and/or reference signal
When the quality of reception is less than corresponding predetermined threshold value, start the step finding repeater the most voluntarily
Suddenly.This predetermined threshold value can be pre-configured with in a user device, or can be by first
Base station is this user device configuration by system message or dedicated signaling.Existing protocol has been incorporated into
Directly discovery procedure, subscriber equipment can utilize direct discovery procedure to find repeater.
And in another embodiment, the step finding repeater is to be triggered by the first base station
's.Specifically, the first base station receives Reference Signal Received Power and/or reference at subscriber equipment
Signal receiving quality, and according to Reference Signal Received Power and/or Reference Signal Received Quality with
And the information of adjacent cell triggers subscriber equipment and finds repeater.By the program, the first base
Stand and can also determine whether there is suitable adjacent cell to switch this subscriber equipment.When user sets
Standby current channel conditions is poor (channel quality is less than predetermined thresholding), and does not use
When the adjacent cell of switching, just notifying user equipment activates the step finding repeater.
In step S902, the first base station judges whether repeater is under the jurisdiction of the first base station.
If repeater is under the jurisdiction of the first base station, and described repeater is in idle condition,
Then set up in step S903 and be connected with the wireless heterogeneous networks of repeater.Here, can be by
The wireless heterogeneous networks that repeater initiates to connect for setting up wireless heterogeneous networks voluntarily connects please
Ask, it is also possible to triggered repeater by base station by call signaling and initiate this wireless heterogeneous networks even
Connect request.It is connected if repeater establishes wireless heterogeneous networks with the first base station, then should
Step can be omitted.
If on the contrary, repeater is not affiliated with the first base station, then in unshowned step
Inquire about the second base station (relaying to be accessed sent by subscriber equipment that this repeater is subordinate to
Device the resident or mark inquiry of accessed community), and notify this second base station set up with in
Continue device wireless heterogeneous networks connect.If the second base station establishes RRC with repeater
Connect, then this step can be omitted.
In step S904, the first base station releases and is connected with the current of subscriber equipment.
In step S905, the road of the business having built up of the first base station switching subscriber equipment
Footpath.Such as, during undelivered or the Packet Data Unit not sent can be transmitted extremely by the first base station
Continue device, then is continued to be sent to subscriber equipment by this repeater, so that it is guaranteed that do not have loss of data
And the seriality of business.
Figure 10 further illustrate according to one embodiment of the present invention for user
Equipment keeps the continuous of the business of subscriber equipment when the repeater being under the jurisdiction of the first base station moves
The method schematic diagram of property.
Figure 10 illustrates the first base station notifying user equipment and find the scheme of repeater.
This step also is able to be performed voluntarily by subscriber equipment.Additionally, in step S1003 of Figure 10,
During subscriber equipment can such as be found by the received signal strength of the repeater of acquisition periphery
Continue device.
In unshowned step, when subscriber equipment finds multiple relaying in the step s 1003
During device, it also needs to select optimum repeater.Specifically, subscriber equipment obtains multiple relayings
The signal intensity (as found channel or the channel strength of synchronizing channel) that device is sent, and will tool
There is the repeater of the strongest signal intensity as optimum repeater.
Although the foregoing describe the detailed description of the invention of the present invention, but the technology in this area
Personnel can make various changes and modifications within the scope of the appended claims.
Claims (15)
1. for keeping a successional method for the business of subscriber equipment in the first base station,
Wherein, described subscriber equipment moves to the first base station range, institute from repeater coverage
The method of stating comprises the following steps:
A1. it is the specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of described user equipment allocation and/or spy
Fixed targeting sequencing；
A2. by described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or described the most leading
Sequence sends to described subscriber equipment；
The most in the random access procedure according to described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI
And/or described specific targeting sequencing identifies described subscriber equipment；And
A4. the path of the business having built up of described subscriber equipment is switched.
Method the most according to claim 1, it is characterised in that be subordinate at described repeater
In the case of belonging to described first base station, by described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and
/ or described specific targeting sequencing send to described subscriber equipment via described repeater.
Method the most according to claim 2, it is characterised in that in described step A1
Comprise the following steps before:
A11. at described subscriber equipment, the ginseng of described first base station is received via described repeater
Examine signal and receive power and/or Reference Signal Received Quality；
A12. it is more than corresponding at described Reference Signal Received Power and/or Reference Signal Received Quality
Predetermined threshold value in the case of, perform step A1.
Method the most according to claim 1, it is characterised in that at described repeater not
In the case of being under the jurisdiction of described first base station, by described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI
And/or described specific targeting sequencing sends to described use via the second base station and described repeater
Family equipment, wherein, described repeater is under the jurisdiction of described second base station.
Method the most according to claim 4, it is characterised in that in described step A1
Comprise the following steps before:
A21. receive from the second base station that described repeater is subordinate to is described little for distributing
District's Radio Network Temporary Identifier is asked and/or for distributing the request of described specific targeting sequencing.
Method the most according to claim 5, it is characterised in that described for distributing
State Cell Radio Network Temporary Identifier/Identity, Cell-RNTI to ask and/or described for distributing described specific leading sequence
The request of row is sent out by described second base station in the case of any one in meeting following condition
Send:
-described second base station judges that described subscriber equipment will enter the covering of described first base station
Scope or described second base station determine that described subscriber equipment has been enter into covering of described first base station
Lid scope；
-described second base station judges Reference Signal Received Power and/or Reference Signal Received Quality
More than corresponding predetermined threshold value, wherein, described subscriber equipment via described repeater to
Described second base station sends described Reference Signal Received Power and/or described signal receiving quality.
Method the most according to claim 1, it is characterised in that in described step A4
In, undelivered or the Packet Data Unit that do not sends are continued to be transferred to described use by described repeater
Family equipment, or described first base station receives the described undelivered of described repeater or do not sends
Packet Data Unit also sends to described subscriber equipment.
8. keep a successional method for business, wherein, described use in a user device
Family equipment moves to the first base station range from repeater coverage, described method include with
Lower step:
B1. receive by first base station distribution specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI and/or
Specific targeting sequencing；
Use described specific Cell Radio Network Temporary Identifier/Identity, Cell-RNTI the most in the random access procedure
And/or described specific targeting sequencing.
Method the most according to claim 8, it is characterised in that be subordinate at described repeater
In the case of belonging to described first base station, comprised the following steps before described step B1:
B11. Reference Signal Received Power and/or the reference signal of measuring described first base station receive
Quality；
B12. send described reference signal via described repeater to described first base station and receive merit
Rate and/or described Reference Signal Received Quality.
Method the most according to claim 8, it is characterised in that at described repeater not
In the case of being under the jurisdiction of described first base station, comprised the following steps before described step B1:
B21. Reference Signal Received Power and/or the reference signal of measuring described first base station receive
Quality；
B22. send described reference signal via described repeater to described second base station and receive merit
Rate and/or described Reference Signal Received Quality.
11. 1 kinds of successional sides being used for keeping the business of subscriber equipment in the first base station
Method, wherein, described subscriber equipment moves to repeater coverage from the first base station range,
Said method comprising the steps of:
C1. at described subscriber equipment, know described repeater；
C2. judge whether described repeater is under the jurisdiction of described first base station；
If the most described repeater is under the jurisdiction of described first base station, then it is at described repeater
Set up during idle condition and be connected with the wireless heterogeneous networks of described repeater；
C4. the connection with described subscriber equipment is released；And
C5. the path of the business having built up of described subscriber equipment is switched.
12. methods according to claim 11, it is characterised in that at described repeater
It is not affiliated with in the case of described first base station performing following steps:
C31. the second base station that described repeater is subordinate to is inquired about；
C32. notify that described second base station is set up to be connected with the wireless heterogeneous networks of described repeater.
13. according to the method described in claim 11 or 12, it is characterised in that in described step
Suddenly further comprising the steps of before C1:
C11. at described subscriber equipment, receive Reference Signal Received Power and/or reference signal connects
Receive quality；
C12. according to described Reference Signal Received Power and/or described Reference Signal Received Quality with
And the information of adjacent cell triggers described subscriber equipment and finds described repeater.
14. 1 kinds in a user device for keeping the successional side of the business of subscriber equipment
Method, wherein, described subscriber equipment moves to repeater coverage from the first base station range,
Said method comprising the steps of:
D1. Reference Signal Received Power and/or the reference signal of measuring described first base station receive
Quality；
D2. it is less than corresponding at described Reference Signal Received Power and/or Reference Signal Received Quality
Predetermined threshold value in the case of, find described repeater；And
D3. the described repeater searched out is notified to described base station.
15. methods according to claim 14, it is characterised in that described step D2
Also include:
-in the case of searching out multiple repeater, the signal according to the plurality of repeater is strong
Degree selects optimum repeater.
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| CN106162779B (en) | 2020-06-05 |
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