CN108616804A - a kind of switching method and device - Google Patents
a kind of switching method and device Download PDFInfo
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- CN108616804A CN108616804A CN201611213256.6A CN201611213256A CN108616804A CN 108616804 A CN108616804 A CN 108616804A CN 201611213256 A CN201611213256 A CN 201611213256A CN 108616804 A CN108616804 A CN 108616804A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of switching method and devices, wherein switching method includes：Determine target BS corresponding with the terminal that the source base station is connected；Switching request is sent to the target BS, the identification information for indicating whether the terminal sends the measurement report for the target BS to the source base station is carried in the switching request.This programme passes through determining target BS corresponding with source base station is connected terminal, then switching request is sent to target BS, and the identification information for indicating whether terminal sends the measurement report for target BS to source base station is carried in switching request, the terminal connection for needing target BS to confirm, so that target BS can reply the switching request of source base station, switching judging efficiency is promoted, user experience is improved.
Description
Technical field
The present invention relates to wireless technical field, a kind of switching method and device are particularly related to.
Background technology
At present high ferro private network (" private network " refers in particular to the network built exclusively for a certain scene of covering, usual construction mode,
There are some differences for network parameter configuration, planning index and general commercial network；" public network " corresponding thereto, refers in particular to general commercial
Network, for example, city or rural area commercial network) use periphery steel tower signal radiation mode into compartment, network structure as scheme
Shown in 1；Among the pole of neighboring community, handover between cells will be carried out, to ensure terminal traffic continuity.In now netting, consider
It is fast to high ferro movement speed, it be easy to cause call drop caused by handover failure or switching not in time.Therefore, now net in high ferro scene
Handoff parameter on design it is more radical, as long as such as clear cell-of-origin and when suitable Target cell signal in measuring configuration,
As shown in Fig. 2, terminal just feeds back measurement report, source base station executes switching flow, is easy to cause in this way since signal fluctuation causes
Pingpang handoff.
It is, currently based on the handover scheme that terminal measures, under high ferro scene, it is susceptible to switching and causes not in time
The case where call drop, impacts the experience of terminal.
Invention content
The purpose of the present invention is to provide a kind of switching method and device, solve in the prior art under high ferro scene, to hold
Easily there is switching the problem of causing call drop not in time.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of switching method, is applied to source base station, including：
Determine target BS corresponding with the terminal that the source base station is connected；
Switching request is sent to the target BS, carries in the switching request and indicates the terminal whether to the source
Base station sends the identification information of the measurement report for the target BS.
Optionally, before determination target BS corresponding with the terminal that the source base station is connected, the switching side
Method further includes：
According to the history presence information of the terminal, judge whether the terminal is located in high ferro；
When the history presence information indicates that the motion track of the terminal is consistent with desired guiding trajectory, the terminal is determined
In high ferro.
Optionally, the step of determination and the source base station are connected terminal corresponding target BS includes：
When the terminal is located in high ferro, the location information of the corresponding target BS of the terminal is obtained；
According to location determination target BS corresponding with the terminal that the source base station is connected.
Optionally, described when terminal is located in high ferro, obtain the location information of the corresponding target BS of the terminal
Step includes：
When the terminal is located in high ferro, the moving direction and motion track of the terminal are obtained；
According to desired guiding trajectory information and the moving direction and motion track, the position letter of corresponding target BS is obtained
Breath.
Optionally, described the step of sending switching request to the target BS, includes：
According to the positional information, switching request is sent to the target BS.
Optionally, described to send switching request to the target BS, it is carried in the switching request and indicates the terminal
Whether to the source base station send for the target BS measurement report identification information the step of include：
When receiving the measurement report for being directed to the target BS that the terminal is sent, to target BS transmission
Carry the switching request of first identifier information；
When not receiving the measurement report for being directed to the target BS that the terminal is sent, to target BS hair
Send the switching request for carrying second identifier information；
Wherein, the first identifier information, which is used to identify, receives the survey for the target BS that the terminal is sent
Amount report, the second identifier information, which is used to identify, does not receive the measurement report for the target BS that the terminal is sent
It accuses.
Optionally, after sending the switching request for carrying second identifier information to the target BS, the switching side
Method further includes：
It detects whether to receive the measurement report for target BS that the terminal is sent；
If receiving measurement report, and do not receive what the target BS was sent, the switching for the terminal confirms
Message or switching refuse information, then send the switching request for carrying first identifier information to the target BS；
If receiving measurement report, and receive what the target BS was sent, disappears for the switching refusal of the terminal
Breath sends the switching request for carrying first identifier information to the target BS then after preset duration.
The present invention also provides a kind of switching methods, are applied to target BS, including：
The switching request that source base station is sent is received, carries in the switching request and indicates whether terminal to source base station sends needle
To the identification information of the measurement report of target BS；
Hand-off process is fed back as a result, the hand-off process result includes switching to the source base station according to the identification information
Confirmation message or switching refuse information.
Optionally, described the step of feeding back hand-off process result to the source base station according to the identification information, includes：
When the identification information indicates that the source base station receives the measurement report that the terminal is sent, judge whether to connect
Receive the terminal；
According to judging result hand-off process result is fed back to the source base station.
Optionally, described the step of feeding back hand-off process result to the source base station according to the identification information, includes：
When the identification information indicates that the source base station does not receive the measurement report that the terminal is sent, according to described
The terminal characteristic information carried in switching request obtains the uplink signal strength of the terminal；
When the uplink signal strength is greater than or equal to preset lower limit value, judge whether to receive the terminal；
According to judging result hand-off process result is fed back to the source base station.
Optionally, described the step of feeding back hand-off process result to the source base station according to the identification information, further includes：
When the uplink signal strength is less than preset lower limit value, continue the uplink signal strength for obtaining the terminal.
Optionally, the terminal characteristic information includes the identification information of terminal, described according in the switching request
The step of terminal characteristic information of carrying, the uplink signal strength for obtaining the terminal includes：
According to the identification information of the terminal carried in the switching request, monitor whether to wrap in terminal uplink signal
Containing uplink signal corresponding with the identity；
Comprising when, obtain corresponding with identity uplink signal strength.
Optionally, the terminal characteristic information includes the uplink parameter configuration of terminal, described to be asked according to the switching
The step of terminal characteristic information for asking middle carrying, the uplink signal strength for obtaining the terminal includes：
According to the uplink parameter configuration of the terminal carried in the switching request, obtains the terminal and match corresponding
Set the uplink signal strength in resource.
Optionally, the uplink parameter configuration according to the terminal carried in the switching request, obtains the end
It holds and includes in the step of uplink signal strength in corresponding configuration resource：
Judge in configuration resource corresponding with the uplink parameter configuration, if there are existing Target cell terminals
Uplink signal；
If in the presence of being re-matched to the uplink parameter of the Target cell terminal, the Target cell after re-matching is whole
The corresponding resource of the uplink parameter configuration resource corresponding with the uplink parameter configuration at end differs；
The uplink signal that the terminal is monitored in the configuration resource, obtains corresponding uplink signal strength；
If being not present, the uplink signal of the terminal is directly monitored in the configuration resource, obtains corresponding uplink
Signal strength.
Optionally, the uplink parameter configuration includes detection reference signal configuration information and traffic channel signal configuration
At least one of information.
Optionally, before the switching request that the reception source base station is sent, the switching method further includes：
Receive the base station configuration information that webmaster is sent in the network planning；
It being configured according to the base station configuration information so that this base station is orthogonal with the uplink signal time-frequency of adjacent base station,
Or progress code point is orthogonal on identical time-frequency domain.
The present invention also provides a kind of switching devices, are applied to source base station, including：
First determining module, for determining target BS corresponding with the source base station is connected terminal；
First sending module carries in the switching request for sending switching request to the target BS and indicates institute
State the identification information for the measurement report whether terminal is sent to the source base station for the target BS.
Optionally, the switching device further includes：
First judgment module judges whether the terminal is located at high ferro for the history presence information according to the terminal
On；
Second determining module, the motion track for indicating the terminal in the history presence information and desired guiding trajectory phase
Fu Shi determines that the terminal is located in high ferro.
Optionally, first determining module includes：
4th acquisition submodule, for when the terminal is located in high ferro, obtaining the corresponding target BS of the terminal
Location information；
First determination sub-module, for according to location determination target base corresponding with the terminal that the source base station is connected
It stands.
Optionally, first determining module includes：
First acquisition submodule, for when the terminal is located in high ferro, obtaining moving direction and the shifting of the terminal
Dynamic rail mark；
First processing submodule obtains pair for according to desired guiding trajectory information and the moving direction and motion track
The location information for the target BS answered.
Optionally, first sending module includes：
Third sending submodule, for according to the positional information, switching request being sent to the target BS.
Optionally, first sending module includes：
First sending submodule, in the measurement report for the target BS for receiving the terminal transmission
When, the switching request for carrying first identifier information is sent to the target BS；
Second sending submodule, in the measurement report for the target BS for not receiving the terminal transmission
When, the switching request for carrying second identifier information is sent to the target BS；
Wherein, the first identifier information, which is used to identify, receives the survey for the target BS that the terminal is sent
Amount report, the second identifier information, which is used to identify, does not receive the measurement report for the target BS that the terminal is sent
It accuses.
Optionally, the switching device further includes：
First detection module, for detecting whether receiving the measurement report for target BS that the terminal is sent；
First processing module, if for receiving measurement report, and do not receive what the target BS was sent, for institute
The switch acknowledgment message or switching refuse information for stating terminal, then send to the target BS and carry cutting for first identifier information
Change request；
Second processing module, if for receiving measurement report, and receive what the target BS was sent, for described
The switching refuse information of terminal, then after preset duration, the switching that carrying first identifier information is sent to the target BS is asked
It asks.
The present invention also provides a kind of switching devices, are applied to target BS, including：
First receiving module, the switching request for receiving source base station transmission carry in the switching request and indicate terminal
Whether the identification information of measurement report for target BS is sent to source base station；
First feedback module, for feeding back hand-off process as a result, described cut to the source base station according to the identification information
It includes switch acknowledgment message or switching refuse information to change handling result.
Optionally, first feedback module includes：
First judging submodule, for indicating that the source base station receives the survey that the terminal is sent in the identification information
When amount report, judge whether to receive the terminal；
First feedback submodule, for feeding back hand-off process result to the source base station according to judging result.
Optionally, first feedback module includes：
Second acquisition submodule, for indicating that the source base station does not receive what the terminal was sent in the identification information
When measurement report, according to the terminal characteristic information carried in the switching request, the uplink signal strength of the terminal is obtained；
Second judgment submodule, for when the uplink signal strength is greater than or equal to preset lower limit value, judging whether
Receive the terminal；
Second feedback submodule, for feeding back hand-off process result to the source base station according to judging result.
Optionally, first feedback module further includes：
Third acquisition submodule, for when the uplink signal strength is less than preset lower limit value, continuing to obtain the end
The uplink signal strength at end.
Optionally, the terminal characteristic information includes the identification information of terminal, and second acquisition submodule includes：
First monitoring unit, for the identification information according to the terminal carried in the switching request, in terminal
It monitors whether to include uplink signal corresponding with the identity in row signal；
First acquisition unit, for comprising when, obtain corresponding with identity uplink signal strength.
Optionally, the terminal characteristic information includes the uplink parameter configuration of terminal, second acquisition submodule
Including：
Second acquisition unit is obtained for the uplink parameter configuration according to the terminal carried in the switching request
Uplink signal strength of the terminal in corresponding configuration resource.
Optionally, the second acquisition unit includes：
First judgment sub-unit, for judging configuration resource corresponding with the uplink parameter configuration, if deposit
In the uplink signal of existing Target cell terminal；
First processing subelement, if in the presence of, the uplink parameter of the Target cell terminal is re-matched, re-match
The corresponding resource of the uplink parameter configuration resource corresponding with the uplink parameter configuration of the Target cell terminal afterwards
It differs；
First monitors subelement, and the uplink signal for monitoring the terminal in the configuration resource obtains corresponding
Uplink signal strength；
If second processing subelement directly monitors the uplink of the terminal for being not present in the configuration resource
Signal obtains corresponding uplink signal strength.
Optionally, the uplink parameter configuration includes detection reference signal configuration information and traffic channel signal configuration
At least one of information.
Optionally, the switching device further includes：
Second receiving module, the base station configuration information sent in the network planning for receiving webmaster；
First configuration module, for being configured according to the base station configuration information so that this base station and adjacent base station
Uplink signal time-frequency is orthogonal, or progress code point is orthogonal on identical time-frequency domain.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In said program, the switching method is by determining target BS corresponding with source base station is connected terminal, then
Switching request is sent to target BS, and is carried in switching request and indicates whether terminal sends to source base station for target BS
Measurement report identification information, that is, need target BS confirm terminal connection so that target BS can reply
The switching request of source base station promotes switching judging efficiency, improves user experience.
Description of the drawings
Fig. 1 is high ferro schematic network structure in the prior art；
Fig. 2 is that high ferro now nets switching band design diagram；
Fig. 3 is the switching method flow diagram of the embodiment of the present invention one；
Fig. 4 is the switching method flow diagram of the embodiment of the present invention two；
Fig. 5 is the switching request and confirmation flow diagram of the embodiment of the present invention；
Fig. 6 is switching request of the embodiment of the present invention and refusal flow diagram；
Fig. 7 is the switching device structural schematic diagram of the embodiment of the present invention three；
Fig. 8 is the switching device structural schematic diagram of the embodiment of the present invention four.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention in view of the prior art under high ferro scene, be susceptible to switching the problem of causing call drop not in time,
A variety of solutions are provided, it is specific as follows：
Embodiment one
As shown in figure 3, the embodiment of the present invention one provides a kind of switching method, source base station is can be applied to, including：
Step 31：Determine target BS corresponding with the terminal that the source base station is connected；
Step 32：Switching request is sent to the target BS, carries whether indicate the terminal in the switching request
The identification information of the measurement report for the target BS is sent to the source base station.
The switching method that the embodiment of the present invention one provides passes through determining target corresponding with source base station is connected terminal
Base station, then to target BS send switching request, and in switching request carry indicate terminal whether to source base station send needle
To the identification information of the measurement report of target BS, that is, the terminal connection for needing target BS to confirm, so that target base
The switching request of source base station can be replied by standing, and promote switching judging efficiency, improve user experience.
Specifically, before determination target BS corresponding with the terminal that the source base station is connected, the switching side
Method further includes：According to the history presence information of the terminal, judge whether the terminal is located in high ferro；It is resident in the history
When information indicates that the motion track of the terminal is consistent with desired guiding trajectory, determine that the terminal is located in high ferro.
It can be appreciated that when the motion track of terminal is consistent with the running orbit of preset a certain high ferro, terminal is determined
In high ferro.Certainly it can be not limited thereto with parameters such as the movement speeds of reference terminal.
Corresponding, the step of terminal that the determination and the source base station are connected corresponding target BS, includes：Described
When terminal is located in high ferro, the location information of the corresponding target BS of the terminal is obtained；According to the location determination with it is described
The connected corresponding target BS of terminal of source base station.
Wherein, described when terminal is located in high ferro, obtain the step of the location information of the corresponding target BS of the terminal
Suddenly include：When the terminal is located in high ferro, the moving direction and motion track of the terminal are obtained；Believed according to desired guiding trajectory
Breath and the moving direction and motion track, obtain the location information of corresponding target BS.
For example, obtaining terminal after the desired guiding trajectory information of the motion track of terminal and high ferro is compared is currently located at Z high ferros
On, the running orbit of Z high ferros is A-B-C-D, and the current moving direction of terminal is by C to D, then terminal can be learnt in advance
Target BS be the positions D base station；This, which is primarily due to the terminal in high ferro, to switch to the cell of the next stop.
In the present embodiment, described the step of sending switching request to the target BS, includes：According to the positional information,
Switching request is sent to the target BS.
It is described to send switching request, the switching request to the target BS in the present embodiment in view of practical application
The middle identification information for carrying the measurement report for indicating whether the terminal is directed to the target BS to source base station transmission
Step includes：When receiving the measurement report for being directed to the target BS that the terminal is sent, to target BS hair
Send the switching request for carrying first identifier information；The first identifier information can indicate that the terminal check can switch to institute
State target BS；First identifier information can be number 0；
When not receiving the measurement report for being directed to the target BS that the terminal is sent, to target BS hair
Send the switching request for carrying second identifier information；The second identifier information can indicate between the terminal and the target BS
Link it is to be confirmed；Second identifier information can be number 1；
Wherein, the first identifier information, which is used to identify, receives the survey for the target BS that the terminal is sent
Amount report, the second identifier information, which is used to identify, does not receive the measurement report for the target BS that the terminal is sent
It accuses.
Further, after sending the switching request for carrying second identifier information to the target BS, the switching
Method further includes：It detects whether to receive the measurement report for target BS that the terminal is sent；If receiving measurement report
It accuses, and does not receive what the target BS was sent, the switch acknowledgment message for the terminal or switching refuse information, then
The switching request for carrying first identifier information is sent to the target BS；If receiving measurement report, and receive the mesh
It marks what base station was sent, for the switching refuse information of the terminal, then after preset duration, sends and carry to the target BS
The switching request of first identifier information；
If not receiving measurement report, but receive what the target BS was sent, the switching for the terminal is refused
Message can send the switching request for carrying second identifier information then after preset duration to the target BS；If not receiving
Measurement report, and do not receive what the target BS was sent, the switch acknowledgment message for the terminal or switching refusal
Message then continues to detect whether to receive the measurement report for target BS that the terminal is sent.
Embodiment two
As shown in figure 4, second embodiment of the present invention provides a kind of switching method, target BS is can be applied to, including：
Step 41：The switching request that source base station is sent is received, carries in the switching request and indicates terminal whether to source base
It stands and sends the identification information of the measurement report for target BS；
Step 42：Hand-off process is fed back as a result, the hand-off process result to the source base station according to the identification information
Including switch acknowledgment message or switching refuse information.
What the switching method provided by Embodiment 2 of the present invention was sent by receiving source base station, carry whether indicate terminal
To source base station send for target BS measurement report identification information, switching request；It can be replied according to identification information
The switching request of source base station promotes switching judging efficiency, improves user experience.
When in view of practical application, identification information may characterize two kinds of situations, the first characterization source base station receives described
The measurement report that terminal is sent, second of characterization source base station do not receive the measurement report that the terminal is sent；So of the invention
Embodiment provides following measures：
For the first situation, described the step of hand-off process result is fed back to the source base station according to the identification information
Including：When the identification information indicates that the source base station receives the measurement report that the terminal is sent, judge whether to receive
The terminal；According to judging result hand-off process result is fed back to the source base station.
Whether the step of judging can enough be judged according to local resource.
For the second situation, described the step of hand-off process result is fed back to the source base station according to the identification information
Including：When the identification information indicates that the source base station does not receive the measurement report that the terminal is sent, cut according to described
The terminal characteristic information carried in request is changed, the uplink signal strength of the terminal is obtained；
When the uplink signal strength is greater than or equal to preset lower limit value, judge whether to receive the terminal；According to sentencing
Disconnected result feeds back hand-off process result to the source base station.
Uplink signal strength therein can be used for judging whether uplink is reliable, and signal is strong, then reliably.
Further, described the step of feeding back hand-off process result to the source base station according to the identification information, also wraps
It includes：When the uplink signal strength is less than preset lower limit value, continue the uplink signal strength for obtaining the terminal.
Blind examination and bright inspection two ways may be used in the uplink signal strength for obtaining terminal in the present embodiment：
Corresponding to blinded fashion, the terminal characteristic information includes the identification information of terminal, is cut described in the basis
Change the terminal characteristic information that carries in request, the step of uplink signal strength for obtaining the terminal includes：According to the switching
The identification information of the terminal carried in request is monitored whether in terminal uplink signal comprising opposite with the identity
The uplink signal answered；Comprising when, obtain corresponding with identity uplink signal strength.
Corresponding to bright procuratorial organ's formula, the terminal characteristic information includes the uplink parameter configuration of terminal, described according to institute
The terminal characteristic information carried in switching request is stated, the step of uplink signal strength for obtaining the terminal includes：According to described
The uplink parameter configuration of the terminal carried in switching request obtains uplink letter of the terminal in corresponding configuration resource
Number intensity.
Specifically, the uplink parameter configuration according to the terminal carried in the switching request, obtains the end
It holds and includes in the step of uplink signal strength in corresponding configuration resource：Judge corresponding with the uplink parameter configuration
It configures in resource, if there are the uplink signals of existing Target cell terminal；
If in the presence of being re-matched to the uplink parameter of the Target cell terminal, the Target cell after re-matching is whole
The corresponding resource of the uplink parameter configuration resource corresponding with the uplink parameter configuration at end differs the (configuration of moving out
Resource)；(then) uplink signal that the terminal is monitored in the configuration resource, obtains corresponding uplink signal strength；
If being not present, the uplink signal of the terminal is directly monitored in the configuration resource, obtains corresponding uplink
Signal strength.
Preferably, the uplink parameter configuration includes detection reference signal configuration information and traffic channel signal configuration
At least one of information.
Further, before the switching request that the reception source base station is sent, the switching method further includes：Receive net
The base station configuration information that pipe is sent in the network planning；It is configured according to the base station configuration information so that this base station and phase
The uplink signal time-frequency of adjacent base station is orthogonal, or progress code point is orthogonal on identical time-frequency domain；And then so that target BS can
Distinguish the uplink signal (such as detection reference signal-SRS signal) of Target cell terminal and cell-of-origin terminal.
Switching method provided in an embodiment of the present invention is carried out furtherly with reference to source base station and target BS both sides
It is bright.
For the handover scheme measured currently based on terminal, under high ferro scene, it is susceptible to switching and causes not in time
Words, the problem of being impacted to the experience of terminal；An embodiment of the present invention provides a kind of switching methods, and in particular to source base station and
Target BS both sides, the specific process flow per side are as follows：
Source base station side
First, according to terminal history presence information, judge whether terminal is high ferro user and moving direction；Exactly detect
Terminal obtains the current moving direction of terminal currently whether in high ferro, for determining target BS；
Then, source base station sends switching request to target BS in advance, and 1bit identification informations (mark is carried in switching request
Information carries out confirmation processing for target BS), and it is identified as " 0 " or " 1 ", specific meaning is described as follows：
(1) " 0 " is identified：Terminal does not send the measurement report for target BS, the link with target BS to source base station
It is to be confirmed；
(2) " 1 " is identified：Terminal sends the measurement report for target BS to source base station, and confirmation can be switched to mesh
Mark base station；When target BS receives mark " 1 ", the information that switching confirms can be fed back to source base station at once；
Wherein, whether anti-source base station will continue to detection terminal after having sent carrying and being identified as the switching request message of " 0 "
Measurement report has been presented, if feedback, and do not receive the switch acknowledgment message or switching refuse information for the terminal UE, then
Continue to send to target BS and carries the switching request message for being identified as " 1 "；
If receiving switching refuse information, can continue to repeat above-mentioned flow after certain time length.
If receiving switch acknowledgment message, switching command is sent out to terminal, is switched over, no longer cut to target BS transmission
Change request message.
The flow of the above-mentioned target BS feedback switch acknowledgment message being related to is as shown in figure 5, target BS feedback switching is refused
The flow of exhausted message is as shown in fig. 6, details are not described herein.
Target BS side
First, it detects whether to receive the switching request message of source base station, and judges above-mentioned mark value：
1. if it is " 0 ", (it can be the identity of UE, also may be used according to the UE features carried in switching request message
To be the uplink parameter configuration, such as cell scrambling, wireless mode and antenna configuration etc. of UE, as long as corresponding uplink can be obtained
The parameter of signal strength；Uplink parameter configuration therein can obtain the position of the uplink signal of UE) obtain the UE's
Uplink signal strength；
Specifically, carrying be identity when, monitored whether in UE uplink signals to contain the UE according to identity
Uplink signal information, if it does, obtaining the intensity of corresponding uplink signal, (intensity is for judging that uplink whether may be used
It leans on, signal is strong, then reliably)；
Carrying be uplink parameter configuration when, it is corresponding configuration resource on obtain the UE uplink signal intensity：
How intensity about target BS in the corresponding uplink signal for configuring and how obtaining the UE in resource (identifies
Need the uplink signal of UE monitored), a specific embodiment is provided here：
In switching request message, the SRS signal for carrying cell-of-origin UE (to be switched cell-of-origin UE) (can also be source base station
Traffic channel signal, uplink signal include detection reference signal and traffic channel signal etc.) configuration (including frequency domain, time domain and
Code distribution is set)；
Target BS receives above-mentioned with postponing, and first determines whether on corresponding configuration (some resource of target BS uplink)
Whether the SRS signal of Target cell UE (terminal that target BS serviced) is had；
If it is not, monitoring the SRS signal of to be switched cell-of-origin UE on the position；If had, first by mesh
The SRS of mark cell UE is re-matched and (is moved out), then continues the SRS signal for monitoring cell-of-origin UE on the position.
In addition, LTE divides technology by code, the SRS signal of 8 users can be at most supported simultaneously on identical time-frequency location,
Therefore, webmaster can make the SRS signal time-frequency of neighboring community orthogonal or identical time-frequency domain be enterprising when the network planning
Row code point is orthogonal, and then can distinguish the SRS signal of Target cell UE and cell-of-origin UE.For base station, exactly receive to match
Confidence breath is configured, and such effect is then reached.
After obtaining the uplink signal strength of UE, judgement and subsequent processing are carried out：
(1) if signal strength is greater than or equal to lower limiting value Thsig_uplink, (lower limiting value can be more than -100, -120, -
130 etc.) it, then continues to determine whether to receive the UE (whether target BS can enough be judged according to local resource), and feeds back
Agree to that switching request either refuses switching request；
(2) if signal strength is less than Thsig_uplink, then continue the uplink signal strength for detecting the UE.
2. if it is " 1 ", directly judge whether to receive the UE, and feeds back and agree to that switching request is either refused switching and asked
It asks.
In conclusion an embodiment of the present invention provides a kind of switching method, mainly source base station according to terminal moving direction,
Switching request is sent to target BS, and carries the terminal connection for needing target BS to confirm in switching request, to make
The switching request of source base station can be replied by obtaining target BS, promote switching judging efficiency, improve user experience.
Embodiment three
As shown in fig. 7, the embodiment of the present invention three provides a kind of switching device, source base station is can be applied to, including：
First determining module 71, for determining target BS corresponding with the source base station is connected terminal；
First sending module 72 is carried in the switching request and is indicated for sending switching request to the target BS
Whether the terminal sends the identification information of the measurement report for the target BS to the source base station.
The switching device that the embodiment of the present invention three provides passes through determining target corresponding with source base station is connected terminal
Base station, then to target BS send switching request, and in switching request carry indicate terminal whether to source base station send needle
To the identification information of the measurement report of target BS, that is, the terminal connection for needing target BS to confirm, so that target base
The switching request of source base station can be replied by standing, and promote switching judging efficiency, improve user experience.
Specifically, the switching device further includes：First judgment module, for according to the resident letter of the history of the terminal
Breath, judges whether the terminal is located in high ferro；Second determining module, for indicating the terminal in the history presence information
Motion track when being consistent with desired guiding trajectory, determine that the terminal is located in high ferro.
It can be appreciated that when the motion track of terminal is consistent with the running orbit of preset a certain high ferro, terminal is determined
In high ferro.Certainly it can be not limited thereto with parameters such as the movement speeds of reference terminal.
Corresponding, first determining module includes：4th acquisition submodule, for being located at high ferro in the terminal
When, obtain the location information of the corresponding target BS of the terminal；First determination sub-module, for according to the location determination with
The connected corresponding target BS of terminal of the source base station.
Wherein, first determining module includes：First acquisition submodule is used for when the terminal is located in high ferro,
Obtain the moving direction and motion track of the terminal；First processing submodule, for according to desired guiding trajectory information and the shifting
Dynamic direction and motion track, obtain the location information of corresponding target BS.
For example, obtaining terminal after the desired guiding trajectory information of the motion track of terminal and high ferro is compared is currently located at Z high ferros
On, the running orbit of Z high ferros is A-B-C-D, and the current moving direction of terminal is by C to D, then terminal can be learnt in advance
Target BS be the positions D base station；This, which is primarily due to the terminal in high ferro, to switch to the cell of the next stop.
In the present embodiment, first sending module includes：Third sending submodule is used for according to the positional information,
Switching request is sent to the target BS.
In view of practical application, in the present embodiment, first sending module includes：First sending submodule is used for
When receiving the measurement report for being directed to the target BS that the terminal is sent, is sent to the target BS and carry first and mark
Know the switching request of information；The first identifier information can indicate that the terminal check can switch to the target BS；
First identifier information can be number 0；
Second sending submodule, in the measurement report for the target BS for not receiving the terminal transmission
When, the switching request for carrying second identifier information is sent to the target BS；The second identifier information can indicate described
Link between terminal and the target BS is to be confirmed；Second identifier information can be number 1；
Wherein, the first identifier information, which is used to identify, receives the survey for the target BS that the terminal is sent
Amount report, the second identifier information, which is used to identify, does not receive the measurement report for the target BS that the terminal is sent
It accuses.
Further, the switching device further includes：First detection module, for detecting whether receiving the terminal hair
The measurement report for target BS sent；First processing module, if for receiving measurement report, and the mesh is not received
Mark what base station was sent, the switch acknowledgment message for the terminal or switching refuse information are then sent to the target BS
Carry the switching request of first identifier information；
Second processing module, if for receiving measurement report, and receive what the target BS was sent, for described
The switching refuse information of terminal, then after preset duration, the switching that carrying first identifier information is sent to the target BS is asked
It asks.
Wherein, the realization embodiment of the switching method of the above-mentioned source base station side being related to is suitable for the switching device
In embodiment, it can also reach identical technique effect.
Example IV
As shown in figure 8, the embodiment of the present invention four provides a kind of switching device, target BS is can be applied to, including：
First receiving module 81, the switching request for receiving source base station transmission are carried in the switching request and are indicated eventually
Whether end sends the identification information of the measurement report for target BS to source base station；
First feedback module 82, for feeding back hand-off process as a result, described to the source base station according to the identification information
Hand-off process result includes switch acknowledgment message or switching refuse information.
What the switching device that the embodiment of the present invention four provides was sent by receiving source base station, carry whether indicate terminal
To source base station send for target BS measurement report identification information, switching request；It can be replied according to identification information
The switching request of source base station promotes switching judging efficiency, improves user experience.
When in view of practical application, identification information may characterize two kinds of situations, the first characterization source base station receives described
The measurement report that terminal is sent, second of characterization source base station do not receive the measurement report that the terminal is sent；So of the invention
Embodiment provides following measures：
For the first situation, first feedback module includes：First judging submodule, in the identification information
When indicating that the source base station receives the measurement report that the terminal is sent, judge whether to receive the terminal；First feedback
Module, for feeding back hand-off process result to the source base station according to judging result.
Whether the operation of judgement can enough be judged according to local resource.
For the second situation, first feedback module includes：Second acquisition submodule, in the identification information
It is special according to the terminal carried in the switching request when indicating that the source base station does not receive the measurement report that the terminal is sent
Reference ceases, and obtains the uplink signal strength of the terminal；
Second judgment submodule, for when the uplink signal strength is greater than or equal to preset lower limit value, judging whether
Receive the terminal；Second feedback submodule, for feeding back hand-off process result to the source base station according to judging result.
Uplink signal strength therein can be used for judging whether uplink is reliable, and signal is strong, then reliably.
Further, first feedback module further includes：Third acquisition submodule, in the uplink signal strength
When less than preset lower limit value, continue the uplink signal strength for obtaining the terminal.
Blind examination and bright inspection two ways may be used in the uplink signal strength for obtaining terminal in the present embodiment：
Corresponding to blinded fashion, the terminal characteristic information includes the identification information of terminal, and described second obtains son
Module includes：First monitoring unit, for the identification information according to the terminal carried in the switching request, in terminal
It monitors whether to include uplink signal corresponding with the identity in row signal；First acquisition unit, for comprising when,
Obtain uplink signal strength corresponding with the identity.
Corresponding to bright procuratorial organ's formula, the terminal characteristic information includes the uplink parameter configuration of terminal, and described second obtains
The submodule is taken to include：Second acquisition unit, for the uplink parameter configuration according to the terminal carried in the switching request,
Obtain uplink signal strength of the terminal in corresponding configuration resource.
Specifically, the second acquisition unit includes：First judgment sub-unit, for judging and the uplink parameter configuration
In the corresponding configuration resource of information, if there are the uplink signals of existing Target cell terminal；
First processing subelement, if in the presence of, the uplink parameter of the Target cell terminal is re-matched, re-match
The corresponding resource of the uplink parameter configuration resource corresponding with the uplink parameter configuration of the Target cell terminal afterwards
It differs (the configuration resource of moving out)；
First monitors subelement, and the uplink signal for monitoring the terminal in the configuration resource obtains corresponding
Uplink signal strength；
If second processing subelement directly monitors the uplink of the terminal for being not present in the configuration resource
Signal obtains corresponding uplink signal strength.
Preferably, the uplink parameter configuration includes detection reference signal configuration information and traffic channel signal configuration
At least one of information.
Further, the switching device further includes：Second receiving module is sent for receiving webmaster in the network planning
Base station configuration information；First configuration module, for being configured according to the base station configuration information so that this base station with it is adjacent
The uplink signal time-frequency of base station is orthogonal, or progress code point is orthogonal on identical time-frequency domain.
Wherein, the realization embodiment of the switching method of the above-mentioned target BS side being related to is suitable for the switching device
Embodiment in, can also reach identical technique effect.
It should be noted that this many functional component described in this description be all referred to as module/submodule/unit/
Subelement, specifically to emphasize the independence of its realization method.
In the embodiment of the present invention, module/submodule/unit/subelement can use software realization, so as to by various types of
Processor executes.For example, the executable code module of a mark may include one or more objects of computer instruction
Reason or logical block, for example, it can be built as object, process or function.Nevertheless, institute's mark module is held
Line code needs not be physically located together, but may include the different instructions being stored in different positions, when these instructions
When being combined together in logic, constitutes module and realize the regulation purpose of the module.
In fact, executable code module can be the either many item instructions of individual instructions, and can even be distributed
It on multiple and different code segments, is distributed in distinct program, and is distributed across multiple memory devices.Similarly, it grasps
Making data can be identified in module, and can be realized according to any form appropriate and be organized in any appropriate class
In the data structure of type.The operation data can be collected as individual data collection, or can be distributed on different location
(including in different storage device), and can only be present in system or network as electronic signal at least partly.
When module can utilize software realization, it is contemplated that the level of existing hardware technique, it is possible to implemented in software
Module, in the case where not considering cost, those skilled in the art can build corresponding hardware circuit to realize correspondence
Function, the hardware circuit includes conventional ultra-large integrated (VLSI) circuit or gate array and such as logic core
The existing semiconductor of piece, transistor etc either other discrete elements.Module can also use programmable hardware device, such as
The realizations such as field programmable gate array, programmable logic array, programmable logic device.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, under the premise of not departing from principle of the present invention, can also make several improvements and retouch, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (18)
1. a kind of switching method is applied to source base station, which is characterized in that including：
Determine target BS corresponding with the terminal that the source base station is connected；
Switching request is sent to the target BS, carries in the switching request and indicates the terminal whether to the source base station
Send the identification information of the measurement report for the target BS.
2. switching method according to claim 1, which is characterized in that it is described to send switching request to the target BS,
The measurement report for indicating whether the terminal is sent to the source base station for the target BS is carried in the switching request
Identification information the step of include：
When receiving the measurement report for being directed to the target BS that the terminal is sent, carrying is sent to the target BS
The switching request of first identifier information；
When not receiving the measurement report for being directed to the target BS that the terminal is sent, sends and take to the target BS
Switching request with second identifier information；
Wherein, the first identifier information, which is used to identify, receives the measurement report for the target BS that the terminal is sent
It accuses, the second identifier information, which is used to identify, does not receive the measurement report for the target BS that the terminal is sent.
3. switching method according to claim 2, which is characterized in that carry second identifier being sent to the target BS
After the switching request of information, the switching method further includes：
It detects whether to receive the measurement report for target BS that the terminal is sent；
If receiving measurement report, and do not receive what the target BS was sent, for the switch acknowledgment message of the terminal
Or switching refuse information, then the switching request for carrying first identifier information is sent to the target BS；
If receiving measurement report, and receive what the target BS was sent, for the switching refuse information of the terminal, then
After preset duration, the switching request for carrying first identifier information is sent to the target BS.
4. a kind of switching method is applied to target BS, which is characterized in that including：
The switching request that source base station is sent is received, is carried in the switching request and is indicated whether terminal sends to source base station and be directed to mesh
Mark the identification information of the measurement report of base station；
Hand-off process is fed back as a result, the hand-off process result includes switching confirmation to the source base station according to the identification information
Message or switching refuse information.
5. switching method according to claim 4, which is characterized in that it is described according to the identification information to the source base station
Feed back hand-off process result the step of include：
When the identification information indicates that the source base station receives the measurement report that the terminal is sent, judge whether to receive institute
State terminal；
According to judging result hand-off process result is fed back to the source base station.
6. switching method according to claim 4, which is characterized in that it is described according to the identification information to the source base station
Feed back hand-off process result the step of include：
When the identification information indicates that the source base station does not receive the measurement report that the terminal is sent, according to the switching
The terminal characteristic information carried in request obtains the uplink signal strength of the terminal；
When the uplink signal strength is greater than or equal to preset lower limit value, judge whether to receive the terminal；
According to judging result hand-off process result is fed back to the source base station.
7. switching method according to claim 6, which is characterized in that the terminal characteristic information includes the identity mark of terminal
Know information, it is described according to the terminal characteristic information carried in the switching request, obtain the uplink signal strength of the terminal
Step includes：
According to the identification information of the terminal carried in the switching request, monitored whether in terminal uplink signal comprising with
The corresponding uplink signal of identity；
Comprising when, obtain corresponding with identity uplink signal strength.
8. switching method according to claim 6, which is characterized in that the terminal characteristic information includes that the uplink of terminal is joined
Number configuration information, described according to the terminal characteristic information carried in the switching request, the uplink signal for obtaining the terminal is strong
The step of spending include：
According to the uplink parameter configuration of the terminal carried in the switching request, obtains the terminal and provided in corresponding configuration
Uplink signal strength on source.
9. switching method according to claim 8, which is characterized in that described according to the terminal carried in the switching request
Uplink parameter configuration, obtain the terminal it is corresponding configuration resource on uplink signal strength the step of include：
Judge in configuration resource corresponding with the uplink parameter configuration, if there are the upper of existing Target cell terminal
Row signal；
If in the presence of, the uplink parameter of the Target cell terminal is re-matched, the Target cell terminal after re-matching
The corresponding resource of uplink parameter configuration resource corresponding with the uplink parameter configuration differs；
The uplink signal that the terminal is monitored in the configuration resource, obtains corresponding uplink signal strength；
If being not present, the uplink signal of the terminal is directly monitored in the configuration resource, obtains corresponding uplink signal
Intensity.
10. a kind of switching device is applied to source base station, which is characterized in that including：
First determining module, for determining target BS corresponding with the source base station is connected terminal；
First sending module carries in the switching request for sending switching request to the target BS and indicates the end
Whether end sends the identification information of the measurement report for the target BS to the source base station.
11. switching device according to claim 10, which is characterized in that first sending module includes：
First sending submodule, for receive that the terminal sends for the target BS measurement report when, to
The target BS sends the switching request for carrying first identifier information；
Second sending submodule, for do not receive that the terminal sends for the target BS measurement report when,
The switching request for carrying second identifier information is sent to the target BS；
Wherein, the first identifier information, which is used to identify, receives the measurement report for the target BS that the terminal is sent
It accuses, the second identifier information, which is used to identify, does not receive the measurement report for the target BS that the terminal is sent.
12. switching device according to claim 11, which is characterized in that the switching device further includes：
First detection module, for detecting whether receiving the measurement report for target BS that the terminal is sent；
First processing module, if for receiving measurement report, and do not receive what the target BS was sent, for the end
The switch acknowledgment message or switching refuse information at end, the then switching that carrying first identifier information is sent to the target BS are asked
It asks；
Second processing module, if for receiving measurement report, and receive what the target BS was sent, for the terminal
Switching refuse information, then after preset duration, to the target BS send carry first identifier information switching request.
13. a kind of switching device is applied to target BS, which is characterized in that including：
First receiving module, the switching request for receiving source base station transmission carry whether indicate terminal in the switching request
The identification information of the measurement report for target BS is sent to source base station；
First feedback module, for feeding back hand-off process as a result, at the switching to the source base station according to the identification information
Reason result includes switch acknowledgment message or switching refuse information.
14. switching device according to claim 13, which is characterized in that first feedback module includes：
First judging submodule, for indicating that the source base station receives the measurement report that the terminal is sent in the identification information
When announcement, judge whether to receive the terminal；
First feedback submodule, for feeding back hand-off process result to the source base station according to judging result.
15. switching device according to claim 13, which is characterized in that first feedback module includes：
Second acquisition submodule, for indicating that the source base station does not receive the measurement that the terminal is sent in the identification information
When report, according to the terminal characteristic information carried in the switching request, the uplink signal strength of the terminal is obtained；
Second judgment submodule, for when the uplink signal strength is greater than or equal to preset lower limit value, judging whether to receive
The terminal；
Second feedback submodule, for feeding back hand-off process result to the source base station according to judging result.
16. switching device according to claim 15, which is characterized in that the terminal characteristic information includes the identity of terminal
Identification information, second acquisition submodule include：
First monitoring unit is believed for the identification information according to the terminal carried in the switching request in terminal uplink
It monitors whether to include uplink signal corresponding with the identity in number；
First acquisition unit, for comprising when, obtain corresponding with identity uplink signal strength.
17. switching device according to claim 15, which is characterized in that the terminal characteristic information includes the uplink of terminal
Parameter configuration, second acquisition submodule include：
Second acquisition unit, for the uplink parameter configuration according to the terminal carried in the switching request, described in acquisition
Uplink signal strength of the terminal in corresponding configuration resource.
18. switching device according to claim 17, which is characterized in that the second acquisition unit includes：
First judgment sub-unit, for judging configuration resource corresponding with the uplink parameter configuration, if exist
The uplink signal of some Target cell terminals；
First processing subelement, if in the presence of being re-matched to the uplink parameter of the Target cell terminal, after re-matching
The corresponding resource of the uplink parameter configuration resource corresponding with the uplink parameter configuration of the Target cell terminal not phase
Together；
First monitors subelement, and the uplink signal for monitoring the terminal in the configuration resource obtains corresponding uplink
Signal strength；
If second processing subelement directly monitors the uplink signal of the terminal for being not present in the configuration resource,
Obtain corresponding uplink signal strength.
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