CN103281736B - For terminal distribution resource, the method, apparatus and system switched between Base Band Unit - Google Patents
For terminal distribution resource, the method, apparatus and system switched between Base Band Unit Download PDFInfo
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- CN103281736B CN103281736B CN201310200201.1A CN201310200201A CN103281736B CN 103281736 B CN103281736 B CN 103281736B CN 201310200201 A CN201310200201 A CN 201310200201A CN 103281736 B CN103281736 B CN 103281736B
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Abstract
The invention discloses a kind of method, apparatus and system of Base Band Unit for terminal distribution resource, and method, apparatus and system that terminal switches between Base Band Unit, main contents include：The interface-free resources for merging into multiple Base Band Unit of a logic district are divided into into public frequency and business frequency, and the business frequency between at least two Base Band Unit is different, when terminal is switched between Base Band Unit, the public frequency of the Base Band Unit that access is used after before the handover all, therefore, multiple Base Band Unit in the embodiment of the present invention provide power system capacity of the power system capacity more than a Base Band Unit, can improve the power system capacity of logic district, and not result in substantial amounts of signaling consumption.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of Base Band Unit is method, the equipment of terminal distribution resource
And system, and the method, apparatus and system that terminal switches between Base Band Unit.
Background technology
With the continuous development of social economy, mobile communication business has been deep into the every nook and cranny of routine work and life,
People are more and more stronger to the dependency of mobile communication business, meanwhile, to the demand of communication quality also more and more higher.In order to improve frequency
Spectrum utilization rate, on network construction form, from macrocellular networking to microminiature beehive net, and is mixed to macrocellular with microminiature honeycomb
The direction of charge-coupled net is developed.However, in existing communication group-network construction, due under microminiature beehive net mode, cell
Coverage is smaller, and for macrocellular networking mode, microminiature beehive net mode is in the area of unit area
Need to dispose more cells in domain, therefore, terminal easily causes frequent switching when minizone is moved, and increases signaling consumption,
Affect Consumer's Experience.
In order to solve the above problems, a kind of multi-site altogether arise at the historic moment by cellular technology, and the technology is by the category under a base station
A logic district is merged in the Base Band Unit of multiple different physical address, wherein, the carrier frequency number of each Base Band Unit, frequency
Point is identical with the parameter configuration of the cell-level such as channel configuration.When terminal is moved between each Base Band Unit under the logic district,
As terminal uses identical frequency under each Base Band Unit, therefore, switching of the terminal between each Base Band Unit will not be produced
Substantial amounts of signaling consumption, terminal will not be perceived and frequently be switched.
However, all Base Band Unit use same set of frequency in the common cellular technology of existing multi-site, belong to same
The capacity that multiple Base Band Unit of logic district are provided is equal to the capacity provided by a Base Band Unit, therefore, this multi-site
Cellular technology can not improve the capacity of single subdistrict system altogether, it is impossible to meet the larger heat of the traffic needs such as office building, market
The business demand in point region.
The content of the invention
Embodiments provide and a kind of for terminal distribution resource, the method switched between Base Band Unit, equipment and be
System is not high to the capacity for solving the problems, such as cell system present in prior art.
A kind of method that terminal switches between Base Band Unit, methods described include：
Source Base Band Unit terminal quality of uplink signal meet first impose a condition when, by the money for the terminal distribution
Source is reconfigured to public frequency from the business frequency of itself；
When terminal is switched between Base Band Unit, source Base Band Unit is released to the resource of the terminal distribution, terminal
The target Base Band Unit for accessing after handover is using the public frequency of itself as the resource for distributing to the terminal；
Wherein, the source Base Band Unit is identical with the public frequency of target Base Band Unit, and business frequency is differed.
A kind of method of Base Band Unit for terminal distribution resource, methods described include：
When terminal accesses Base Band Unit, Base Band Unit is using the public frequency of itself as the money for distributing to the terminal
Source；
When Base Band Unit determine the terminal quality of uplink signal meet first impose a condition when, will for the terminal divide
The resource matched somebody with somebody is reconfigured to business frequency from the public frequency of itself；
When Base Band Unit determine the terminal quality of uplink signal meet second impose a condition when, will for the terminal divide
The resource matched somebody with somebody is reconfigured to public frequency from the business frequency of itself.
The communication system that a kind of terminal switches between Base Band Unit, the system include：
Source Base Band Unit, when imposing a condition for the quality of uplink signal satisfaction first in terminal, will be the terminal point
The resource matched somebody with somebody is reconfigured to public frequency from the business frequency of itself, when terminal is switched between Base Band Unit, is released to
The resource of the terminal distribution；
Target Base Band Unit, for when the terminal is accessed, using the public frequency of itself as distributing to the terminal
Resource；
Wherein, the source Base Band Unit is identical with the public frequency of target Base Band Unit, and business frequency is differed.
A kind of Base Band Unit, the Base Band Unit include：
Signal quality detector module, for the quality of uplink signal of detection terminal；
Judge module, for judging whether the quality of uplink signal that the detector unit is detected meets the first setting
Condition；
Reconfiguration module, for when judging unit judges that the quality of uplink signal satisfaction first imposes a condition, being
The resource of the terminal distribution is reconfigured to public frequency from the business frequency of itself；
Resource release module, for when there is terminal to switch to other Base Band Unit, being released to the resource of the terminal distribution；
Resource configuration module, for when there is terminal to access, using the public frequency of itself as the money for distributing to the terminal
Source.
A kind of Base Band Unit, the Base Band Unit include：
Resource configuration module, for when terminal is accessed, using the public frequency of itself as the money for distributing to the terminal
Source；
Reconfiguration module, for when it is determined that the terminal quality of uplink signal meet first impose a condition when, will be institute
The resource for stating terminal distribution is reconfigured to business frequency from the public frequency of itself, when it is determined that the quality of uplink signal of the terminal
When satisfaction second imposes a condition, the resource for the terminal distribution is reconfigured to public frequency from the business frequency of itself.
The application has the beneficial effect that：
In the scheme of the embodiment of the present invention, when terminal is switched between two Base Band Unit, source Base Band Unit and mesh
The public frequency of mark Base Band Unit is identical, and business frequency is different, and terminal uses the public frequency of source Base Band Unit before the handover,
The public frequency of target Base Band Unit is used after switching to target Base Band Unit still, switching of the terminal between two Base Band Unit is not
Substantial amounts of signaling consumption can be produced, terminal will not be perceived and frequently be switched；Simultaneously as at least two base band that terminal can access
Business frequency between unit is different, therefore, the power system capacity that embodiment of the present invention scheme is provided is more than a Base Band Unit
Power system capacity, can improve the power system capacity of logic district.
Description of the drawings
Fig. 1 is the group network system configuration diagram in the embodiment of the present invention one；
Fig. 2 is the resource allocation schematic diagram of 6 Base Band Unit in the embodiment of the present invention one；
Fig. 3 be the embodiment of the present invention two in Base Band Unit for terminal distribution resource method and step schematic diagram；
The method and step schematic diagram that Fig. 4 is switched between Base Band Unit for terminal in the embodiment of the present invention three；
Fig. 5 is the structural representation of Base Band Unit in the embodiment of the present invention five；
Fig. 6 is the structural representation of Base Band Unit in the embodiment of the present invention six.
Specific embodiment
The interface-free resources for merging into multiple Base Band Unit of a logic district are divided into public affairs by the scheme of the embodiment of the present invention
Common frequency and business frequency, and the business frequency between at least two Base Band Unit is different, when terminal normally accesses Base Band Unit
When, Base Band Unit can be good and bad according to the quality of uplink signal of terminal, is the public frequency or business frequency of terminal distribution itself, phase
For the common cellular technology of the multi-site for using same set of frequency in background technology completely, due at least two in the embodiment of the present invention
Base Band Unit uses different business frequencies, therefore, the multiple Base Band Unit in the embodiment of the present invention provide power system capacity and are more than
The power system capacity of one Base Band Unit, can improve the power system capacity of logic district.
In addition, when terminal is switched between two Base Band Unit, source Base Band Unit is matched somebody with somebody for terminal before terminal switching
Put the public frequency of itself, after terminal switches to target Base Band Unit, target Base Band Unit first for terminal distribution resource still
For public frequency, due to source Base Band Unit it is identical with the public frequency of target Base Band Unit, therefore, terminal is in two Base Band Unit
Between switching will not produce substantial amounts of signaling consumption, terminal will not be perceived and frequently be switched.
It should be noted that the scheme of the embodiment of the present invention is can be applicable to such as TD-SCDMA (Time Division-
Synchronous Code Division Multiple Access, TD SDMA) communication standard or TD-LTE
（Time Division-Long Term Evolution, timesharing Long Term Evolution）Communication standard or WiMAX（Worldwide
Interoperability for Microwave Access, worldwide interoperability for microwave accesses）The TDD of communication standard（Time
Division duplex, time division duplex）Standard communication, also apply be applicable to such as WCDMA（Wideband Code
Division Multiple Access, WCDMA）The FDD of communication standard（Frequency division
Duplex, FDD）Standard communication.
Following examples are implemented to the present invention so that the scheme of the embodiment of the present invention is applied in TDD standard communications as an example
The scheme of example is described in detail, but the application is not limited to the following examples.
Embodiment one：
Group network system framework in the embodiment of the present invention one includes protocol controller and multiple Base Band Unit, the agreement
Controller can be communicated with each Base Band Unit, process upper-layer protocol signaling, and the upper-layer protocol can be MAC（Midea
Access Control, medium access control）Agreement or RRC (Radio Connection Control, wireless connection control)
Agreement.The Base Band Unit has the functions such as physical layer encoding and decoding, modulation, demodulation.
Wherein, the interface-free resources of each Base Band Unit are configured to public resource and service resources, and public resource is using public
Frequency, service resources use business frequency.In system, the public frequency of each Base Band Unit is identical, and at least two Base Band Unit
Business frequency is different.
Alternatively, in order to improve power system capacity to greatest extent, the business frequency of any two Base Band Unit can be set not
Together.
Alternatively, in order to improve frequency efficiency, also can will be closer to the distance（As distance is less than first threshold）Base band list
The different business frequency of unit's setting, will be distant（As distance is more than Second Threshold, the Second Threshold is more than first threshold）
Base Band Unit setting identical business frequency.
The public frequency of Base Band Unit is used for the transmitting-receiving of common signal channel, and each Base Band Unit is by public frequency with the forms of broadcasting
Synchronized transmission downstream signal.Terminal for accessing a certain Base Band Unit, when the resource that the Base Band Unit is the terminal distribution is
During public frequency, the terminal can receive the downstream signal that other Base Band Unit are sent by public frequency, and the terminal is in multiple bases
In tape cell overlay area it is seen that same physical area, it can be ensured that signal seriality of the terminal at Base Band Unit edge.
Terminal for accessing a certain Base Band Unit, when the resource that the Base Band Unit is the terminal distribution is business frequency
When, then the terminal only sends upward signal to the Base Band Unit and the terminal can only receive the Base Band Unit by business frequency
The downstream signal of transmission.
It should be noted that in the group network system framework of this embodiment scheme, the number of Base Band Unit can be arbitrary just whole
Number, more preferably, considers the capacity of the public frequency that the disposal ability and each Base Band Unit of protocol controller are used in conjunction with, base
The number of tape cell is advisable with 6-10.
By taking TD-SCDMA communication standards as an example, as shown in figure 1, being to include a protocol controller and 6 Base Band Unit
Group network system configuration diagram, as can be seen from Figure 1：Protocol controller is connected with Base Band Unit A～Base Band Unit F respectively,
This 6 Base Band Unit constitute logic district.
In Fig. 1, in 6 Base Band Unit, the business frequency of at least two Base Band Unit is different, and optional mode includes：
1）, 6 Base Band Unit business frequency it is different two-by-two, can so avoid the interference between adjacent Base Band Unit, carry
High communication quality.
2）, Base Band Unit closer to the distance business frequency it is different：Such as the industry of adjacent Base Band Unit A and Base Band Unit B
Business frequency is different, Base Band Unit A is different with the business frequency of Base Band Unit D；The business frequency phase of distant Base Band Unit
Together：Such as non-conterminous Base Band Unit A is identical with the business frequency of Base Band Unit F, so as to improve spectrum utilization efficiency.
By taking the business frequency of 6 Base Band Unit two-by-two difference as an example, resource allocation schematic diagram such as Fig. 2 of 6 Base Band Unit
Shown, the public resource of this 6 Base Band Unit includes time slot TS0, special time slot and time slot TS1, and this 6 Base Band Unit are in public affairs
The public frequency F0 of identical is used in synchronic gap.
The service resources of this 6 Base Band Unit include time slot TS2- time slot TS6, and each Base Band Unit is in time slot TS2- time slots
Different business frequencies is used on TS6：The business frequency of Base Band Unit A be F1, Base Band Unit B business frequency be F2, base band
The business frequency of unit C is F3, the business frequency of Base Band Unit D is F, and the business frequency of Base Band Unit E is F5, Base Band Unit F
Business frequency be F6.
Embodiment two：
As shown in figure 3, for Base Band Unit in the embodiment of the present application two for terminal distribution resource method and step schematic diagram, institute
The method of stating is comprised the following steps：
Step 101：When terminal accesses Base Band Unit, Base Band Unit is using the public frequency of itself as distributing to the end
The resource at end.
In the scheme of this step 101, no matter terminal accesses a certain Base Band Unit, or terminal after being carried out handover operation
A certain Base Band Unit is accessed after start, when terminal access a certain Base Band Unit when, the Base Band Unit first using public frequency as
Distribute to the resource of terminal.
Step 102：Base Band Unit is detected to the quality of uplink signal of the terminal, and judges the up letter for detecting
Whether number quality meets first imposes a condition；If so, then execution step 103；Otherwise, continue the upward signal matter of detection terminal
Amount.
When quality of uplink signal meets first and imposes a condition, can be considered that the quality of uplink signal of terminal is more excellent, need to be to dividing
The frequency of dispensing terminal is reconfigured；First is unsatisfactory in quality of uplink signal to impose a condition, the up letter of terminal is can be considered
Number quality do not reach needed for excellent degree, frequency that can be temporarily not to distributing to terminal reconfigures.
Alternatively, when Base Band Unit detects quality of uplink signal satisfaction first to impose a condition, further can detect
Whether row signal quality can persistently meet first in certain period of time imposes a condition, if, then it represents that the upward signal matter
Amount is stably in preferably state, then execution step 103；If not, then it represents that the quality of uplink signal state labile, can be after
The quality of uplink signal of continuous detection terminal.
The quality of uplink signal can be reflected by following at least one parameter：
The intensity of upward signal, the signal to noise ratio of upward signal, the carrying terminal send the communication link of upward signal
The bit error rate.
It is different according to the parameter of reflection quality of uplink signal, described first impose a condition it is also different, it is specifically, described
First imposes a condition at least include with next condition：
When the quality of uplink signal by the intensity of upward signal to reflect when, described first imposes a condition as up letter
Number intensity be higher than the first threshold value.
When the quality of uplink signal by the signal to noise ratio of upward signal to reflect when, described first imposes a condition as up
The signal to noise ratio of signal is higher than the second threshold value.
When the quality of uplink signal by the bit error rate to reflect when, described first imposes a condition be the bit error rate be less than the 3rd
Threshold value.
Step 103：Resource for the terminal distribution is reconfigured to business frequency by Base Band Unit from the public frequency of itself
Point.
Alternatively, before the execution of this step 103, Base Band Unit sends frequency reconfiguration request to protocol controller, uses
More excellent in the quality of uplink signal of notification protocol controller present terminal, request is reconfigured to the resource for terminal distribution.
After protocol controller receives the request of Base Band Unit transmission, frequency is sent to Base Band Unit and reconfigure response.Base Band Unit is connecing
Receive after the frequency reconfigures response, perform this step 103, and after completing to the reconfiguring of the terminal institute Resources allocation,
Report to protocol controller and reconfigure result.
Step 104：Base Band Unit is detected to the quality of uplink signal of the terminal, and judges the up letter for detecting
Whether number quality meets second imposes a condition；If so, then execution step 105；Otherwise, continue the upward signal matter of detection terminal
Amount.
When quality of uplink signal meets second and imposes a condition, can be considered that the quality of uplink signal of terminal is poor, it is right to need
The frequency for distributing to terminal is reconfigured；Second is unsatisfactory in quality of uplink signal to impose a condition, the up of terminal is can be considered
Signal quality is also not reaching to poor standard, and frequency that can be temporarily not to distributing to terminal is reconfigured.
Similar with step 102, different according to the parameter of reflection quality of uplink signal, described second imposes a condition also
Difference, specifically, described second imposes a condition at least include with next condition：
When the quality of uplink signal by the intensity of upward signal to reflect when, described second imposes a condition as up letter
Number intensity be less than the 4th threshold value, the 4th threshold value be less than first threshold value.
When the quality of uplink signal by the signal to noise ratio of upward signal to reflect when, described second imposes a condition as up
The signal to noise ratio of signal is less than the 5th threshold value, and the 5th threshold value is less than second threshold value.
When the quality of uplink signal by the bit error rate to reflect when, described second impose a condition be the bit error rate be higher than the 6th
Threshold value, the 6th threshold value are more than the 3rd threshold value.
It should be noted that in the present embodiment the first threshold value between the 6th threshold value and onrelevant, " first " to " the
Six " it is for distinguishing each threshold value.
Step 105：Resource for the terminal distribution is reconfigured to common frequency by Base Band Unit from the business frequency of itself
Point.
Alternatively, before the execution of this step 105, Base Band Unit sends frequency reconfiguration request to protocol controller, uses
Poor in the quality of uplink signal of notification protocol controller present terminal, request is reconfigured to the resource for terminal distribution.
After protocol controller receives the request of Base Band Unit transmission, frequency is sent to Base Band Unit and reconfigure response.Base Band Unit is connecing
Receive after the frequency reconfigures response, perform this step 105, and after completing to the reconfiguring of the terminal institute Resources allocation,
Report to protocol controller and reconfigure result.
By the method for the embodiment of the present invention two, Base Band Unit can be good and bad according to the quality of uplink signal of terminal, is terminal
Distribute public frequency or business frequency, as at least two Base Band Unit are used not in same group network system in the embodiment of the present invention
Same business frequency, therefore, by the scheme of the embodiment of the present invention two, the logic district being made up of multiple Base Band Unit can be increased
Power system capacity.
Embodiment three：
When terminal accesses Base Band Unit, and the multiple bases under group network system in embodiment one according to the method for embodiment two
When moving in the coverage of tape cell, it may be necessary to switch between different Base Band Unit, the embodiment of the present invention three pairs
The method that terminal is switched between Base Band Unit is described.
It should be noted that be related in the present embodiment three first, second impose a condition with first in embodiment two,
Two imposes a condition do not associate, and " first ", " second " respectively impose a condition for distinguishing.
First be related in the present embodiment three～the 9th threshold value is not had with the first～the 6th threshold value in embodiment two
Association, " first "～" the 9th " is for distinguishing each threshold value.
It is assumed that the Base Band Unit that terminal is accessed before the handover is source Base Band Unit, the base band accessed after switching
Unit is target Base Band Unit, and methods described mainly includes the following steps that：
Step 201：The quality of uplink signal of source Base Band Unit detection terminal.
Hypothesis source Base Band Unit is business frequency for the resource of terminal distribution.
Step 202：Source Base Band Unit judges whether the quality of uplink signal for detecting meets first and impose a condition, if so,
Step 203 is gone to then；If it is not, then continuing the quality of uplink signal of detection terminal.
When quality of uplink signal meets first and imposes a condition, can be considered that the quality of uplink signal of terminal is poor, it is right to need
The frequency for distributing to terminal is reconfigured；First is unsatisfactory in quality of uplink signal to impose a condition, the up of terminal is can be considered
Signal quality is also not reaching to poor standard, and frequency that can be temporarily not to distributing to terminal is reconfigured.
The quality of uplink signal can be reflected by following at least one parameter：
The intensity of upward signal, the signal to noise ratio of upward signal, the carrying terminal send the communication link of upward signal
The bit error rate.
It is different according to the parameter of reflection quality of uplink signal, described first impose a condition it is also different, it is specifically, described
First imposes a condition at least include with next condition：
When the quality of uplink signal by the intensity of upward signal to reflect when, described first imposes a condition as up letter
Number intensity be less than the first threshold value.
When the quality of uplink signal by the signal to noise ratio of upward signal to reflect when, described first imposes a condition as up
The signal to noise ratio of signal is less than the second threshold value.
When the quality of uplink signal by the bit error rate to reflect when, described first impose a condition be the bit error rate be higher than the 3rd
Threshold value.
Step 203：Resource for the terminal distribution is reconfigured to public by source Base Band Unit from the business frequency of itself
Frequency.
Alternatively, before this step 203, source Base Band Unit sends frequency reconfiguration request to protocol controller, is used for
The quality of uplink signal of notification protocol controller present terminal is poor, and request is reconfigured to the resource for terminal distribution.Association
After view controller receives the request of Base Band Unit transmission, frequency is sent to Base Band Unit and reconfigure response.Base Band Unit is being received
Reconfigure after response to the frequency, perform this step 203, and after completing to the reconfiguring of the terminal institute Resources allocation, to
Protocol controller is reported and reconfigures result.
Step 204：Protocol controller judges whether terminal needs to switch between Base Band Unit, if so, then performs step
Rapid 205；If it is not, then continuing to judge whether terminal needs to switch between Base Band Unit.
This step 204 is to realize the preferred steps of the present invention program, and the present embodiment is also not necessarily limited to be assisted by between Base Band Unit
Business determines whether terminal will be switched between Base Band Unit.
In this step 204, protocol controller can primarily determine that according to the notice of source Base Band Unit that terminal may needs
Switch between base band, including but not limited to following two forms：
1st, when source Base Band Unit determines that quality of uplink signal satisfaction first imposes a condition, notice is sent to protocol controller and disappeared
Breath（The frequency reconfiguration request of protocol controller will be such as sent to as notification message）, protocol controller disappears receiving notice
After breath, determine that terminal may need to switch over.
2nd, source Base Band Unit sends a notification message to protocol controller after the resource to terminal is reconfigured（Such as will
Be sent to protocol controller reconfigures result as notification message）, protocol controller upon receiving the notification message, it is determined that eventually
End may need to switch over.
Specifically, in this step 204, protocol controller judges whether terminal needs the tool switched between Base Band Unit
Body way is：
The first step：Protocol controller indicates that source Base Band Unit and other Base Band Unit adjacent with the source Base Band Unit are reported
For the quality of uplink signal testing result of the terminal.
In the scheme of the first step, protocol controller determines its adjacent with source Base Band Unit according to networking topological structure
His Base Band Unit, and indicate the upward signal matter of source Base Band Unit and other Base Band Unit adjacent with source Base Band Unit to terminal
Amount is detected, and reports the testing result of quality of uplink signal for the terminal respectively.
Second step：Protocol controller judges whether the detection that the testing result for reporting is reported with the source Base Band Unit
As a result other Base Band Unit of comparison condition are met between, if, it is determined that terminal needs to switch between Base Band Unit；If
It is no, it is determined that terminal is without the need for switching between Base Band Unit.
Wherein, compare bar when existing to meet between the testing result that the testing result that reports is reported with the source Base Band Unit
During other Base Band Unit of part, other Base Band Unit are target Base Band Unit.
Different according to the parameter of reflection quality of uplink signal, the comparison condition is also different, specifically, the comparison
Condition is at least included with next condition：
The intensity of the upward signal that other Base Band Unit adjacent with source Base Band Unit are reported is reported with source Base Band Unit
The difference of the intensity of upward signal is more than the 4th threshold value；
The signal to noise ratio of the upward signal that other Base Band Unit adjacent with source Base Band Unit are reported is reported with source Base Band Unit
Upward signal signal to noise ratio difference be more than the 5th threshold value；
The bit error rate that the bit error rate and other Base Band Unit adjacent with source Base Band Unit that source Base Band Unit is reported is reported with
Difference be more than the 6th threshold value.
When protocol controller judges that terminal temporarily need not be switched between Base Band Unit, can continue to（Such as week
Phase property is received）The detection knot of the quality of uplink signal that source Base Band Unit and other Base Band Unit adjacent with source Base Band Unit are reported
Really, and according to the testing result for receiving judged according to the mode of the above-mentioned first step and second step, until judging terminal
After needs are switched between Base Band Unit, execution step 205.
Alternatively, the resource for distributing to terminal is reconfigured by public frequency when protocol controller receives source Base Band Unit
For business frequency frequency reconfiguration request when, represent source Base Band Unit detect terminal quality of uplink signal it is more excellent, now,
Terminal need not carry out the switching between base band, and protocol controller sends frequency to source Base Band Unit and reconfigures response, source Base Band Unit
The resource for distributing to terminal is reconfigured as business frequency, service baseband of the Base Band Unit continuation in source as terminal by public frequency
Unit provides service for the communication service of terminal.
Step 205：Source Base Band Unit is released to the resource of the terminal distribution.
The specific implementation of this step 205 is：
When determining that terminal will be switched in step 204 by protocol controller, notify that source Base Band Unit is released to described
The resource of terminal distribution, after source Base Band Unit receives the notice of protocol controller, performs this step 205.
Step 206：When terminal switches to target Base Band Unit, target Base Band Unit is that the communication service of the terminal is carried
For service, and using the public frequency of itself as the resource for distributing to the terminal.
The specific implementation of this step 206 is：
After protocol controller determines that terminal will be switched in step 204 and determines target Base Band Unit, mesh is notified
Mark Base Band Unit is responsible for the maintenance of the Terminal communication link, and using public frequency as the resource for distributing to terminal, target base
After tape cell receives the notice of protocol controller, this step 206 is performed.
It should be noted that the scheme of the present embodiment is not limited to the execution sequencing of step 205 and step 206
It is fixed, it is also possible to first carry out step 206, rear execution step 205, or step 205 and step 206 executed in parallel.
Step 207：Target Base Band Unit detected to the quality of uplink signal of the terminal, and judge to detect it is upper
Whether row signal quality meets second imposes a condition；If so, then execution step 208；Otherwise, continue the upward signal of detection terminal
Quality.
When quality of uplink signal meets second and imposes a condition, can be considered that the quality of uplink signal of terminal is more excellent, need to be to dividing
The frequency of dispensing terminal is reconfigured；Second is unsatisfactory in quality of uplink signal to impose a condition, the up letter of terminal is can be considered
Number quality do not reach needed for excellent degree, frequency that can be temporarily not to distributing to terminal reconfigures.
Alternatively, when target Base Band Unit detects quality of uplink signal satisfaction second to impose a condition, further can examine
Whether survey quality of uplink signal can persistently meet second in certain period of time imposes a condition, if, then it represents that the up letter
Number steady quality ground in preferably state, then execution step 208；If not, then it represents that the quality of uplink signal state labile,
The quality of uplink signal of detection terminal can be continued.
It is different according to the parameter of reflection quality of uplink signal, described second impose a condition it is also different, it is specifically, described
Second imposes a condition at least include with next condition：
When the quality of uplink signal by the intensity of upward signal to reflect when, described second imposes a condition as up letter
Number intensity be higher than the 7th threshold value.
When the quality of uplink signal by the signal to noise ratio of upward signal to reflect when, described second imposes a condition as up
The signal to noise ratio of signal is higher than the 8th threshold value.
When the quality of uplink signal by the bit error rate to reflect when, described second imposes a condition be the bit error rate be less than the 9th
Threshold value.
Step 208：Resource for the terminal distribution is reconfigured to industry by target Base Band Unit from the public frequency of itself
Business frequency, completes this handoff procedure.
Alternatively, before the execution of this step 208, target Base Band Unit is reconfigured to protocol controller transmission frequency please
Ask, the quality of uplink signal for notification protocol controller present terminal is more excellent, request carries out weight to the resource for terminal distribution
Configuration.After protocol controller receives the request of target Base Band Unit transmission, frequency is sent to target Base Band Unit and reconfigure response.
Target Base Band Unit receive the frequency reconfigure response after, perform this step 208, and complete to distribute the terminal
After the reconfiguring of resource, report to protocol controller and reconfigure result.
By the scheme of the embodiment of the present invention three, when terminal is switched between two Base Band Unit, terminal is in switching
Public frequency of the resource for being configured in front and back for Base Band Unit, due to terminal, the rear public frequency for being used is identical before the handover,
Therefore, switching of the terminal between two Base Band Unit will not produce substantial amounts of signaling consumption, and terminal will not be perceived and frequently be switched；
Further, since source Base Band Unit is different with the business frequency of target Base Band Unit, therefore, including source Base Band Unit and target base band
Power system capacity of the power system capacity of the logic district of unit more than a Base Band Unit, the system for effectively increasing logic district are held
Amount.
Example IV：
The embodiment of the present invention four provides the communication system that a kind of terminal is switched between Base Band Unit, its system architecture with
Group-network construction in embodiment one is identical, and first be related to when each equipment runs in the present embodiment four imposes a condition, the second setting
Condition, the definition of comparison condition are identical with embodiment three.
The system includes：
When source Base Band Unit imposes a condition for the quality of uplink signal satisfaction first in terminal, will be the terminal distribution
Resource reconfigure to public frequency from the business frequency of itself, when terminal is switched between Base Band Unit, be released to institute
State the resource of terminal distribution.
Target Base Band Unit for when the terminal is accessed, using the public frequency of itself as distributing to the terminal
Wherein, the source Base Band Unit is identical with the public frequency of target Base Band Unit, and business frequency is differed for resource.
The system also includes protocol controller, wherein：
Source Base Band Unit is additionally operable to when the quality of uplink signal satisfaction first of terminal imposes a condition or will be the terminal
The resource of distribution is reconfigured to public frequency from the business frequency of itself, notification protocol controller.
Protocol controller is used to indicate that source Base Band Unit and other Base Band Unit adjacent with the source Base Band Unit report pin
Quality of uplink signal testing result to the terminal, and the testing result that the source Base Band Unit is reported respectively with it is described its
The testing result that his Base Band Unit is reported is compared, when it is determined that the testing result that presence is reported is reported with the source Base Band Unit
Testing result between when meeting other Base Band Unit of comparison condition, determine that terminal needs to switch between Base Band Unit.
Protocol controller is additionally operable to when it is determined that terminal needs to switch between Base Band Unit, notifies the source base band list
Unit is released to the resource of the terminal distribution, and other Base Band Unit described in determining as target Base Band Unit, and leads to
Know the target Base Band Unit using public frequency as the resource for distributing to terminal.
Target Base Band Unit is additionally operable to when the quality of uplink signal of terminal meets second and imposes a condition, and will be the terminal
The resource of distribution is reconfigured to business frequency from the public frequency of itself.
Embodiment five：
The embodiment of the present invention five also provides a kind of Base Band Unit, as shown in figure 5, the Base Band Unit can be simultaneously as terminal
Source Base Band Unit and target Base Band Unit during switching, first be related to when each module of Base Band Unit is run in the present embodiment five
Impose a condition, the second definition for imposing a condition it is identical with embodiment three.
The Base Band Unit includes：Signal quality detector module 11, judge module 12, the release of reconfiguration module 13, resource
Module 14, resource configuration module 15, wherein：
Signal quality detector module 11 is used for the quality of uplink signal of detection terminal.
Judge module 12 is used to judge whether the quality of uplink signal that the detection module 11 is detected meets first
Impose a condition.
Reconfiguration module 13, will for when judge module 12 judges that the quality of uplink signal meets first and imposes a condition
Resource for the terminal distribution is reconfigured to public frequency from the business frequency of itself.
Resource release module 14 is for when there is terminal to switch to other Base Band Unit, being released to the money of the terminal distribution
Source.
Resource configuration module 15 for when there is terminal to access, using the public frequency of itself as the money for distributing to the terminal
Source.
The Base Band Unit also includes notification module 16 and reporting module 17, wherein：
Notification module 16 for judge module 12 judge the quality of uplink signal meet first impose a condition when or weight
Resource for the terminal distribution is reconfigured to public frequency by configuration module 13 from the business frequency of itself, notification protocol
Controller.
Reporting module 17 for when the instruction of the protocol controller is received, by the quality of uplink signal detection knot of terminal
Fruit reports protocol controller.
Judge module 12 is additionally operable to judge that the quality of uplink signal that the signal quality detector unit 11 is detected is
No satisfaction second imposes a condition.
Reconfiguration module 13 is additionally operable to when judge module 12 judges that the quality of uplink signal satisfaction second imposes a condition,
Resource for the terminal distribution is reconfigured to business frequency from the public frequency of itself.
Embodiment six：
The embodiment of the present invention six also provides a kind of Base Band Unit, as shown in fig. 6, in the present embodiment six Base Band Unit each mould
First be related to during block operation imposes a condition, the second definition for imposing a condition is identical with embodiment two.
The Base Band Unit includes resource configuration module 21, reconfiguration module 22, wherein：
Resource configuration module 21 for when terminal is accessed, using the public frequency of itself as the money for distributing to the terminal
Source.
Reconfiguration module 22 for when it is determined that the terminal quality of uplink signal meet first impose a condition when, will be institute
The resource for stating terminal distribution is reconfigured to business frequency from the public frequency of itself, when it is determined that the quality of uplink signal of the terminal
When satisfaction second imposes a condition, the resource for the terminal distribution is reconfigured to public frequency from the business frequency of itself.
Those skilled in the art are it should be appreciated that embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can adopt complete hardware embodiment, complete software embodiment or with reference to the reality in terms of software and hardware
Apply the form of example.And, the application can be using the computer for wherein including computer usable program code at one or more
Usable storage medium（Including but not limited to disk memory, CD-ROM, optical memory etc.）The computer program of upper enforcement is produced
The form of product.
The application is with reference to method, the equipment according to the embodiment of the present application（System）, and computer program flow process
Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram
The combination of journey and/or square frame and flow chart and/or flow process and/or square frame in block diagram.These computer programs can be provided
The processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory is produced to be included referring to
Make the manufacture of device, the command device realize in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The function of specifying in multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented process, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow process of flow chart or multiple flow processs and/or block diagram one
The step of function of specifying in individual square frame or multiple square frames.
Although having been described for the preferred embodiment of the application, those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into the had altered of the application scope and change.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the application to the application
God and scope.So, if these modifications of the application and modification belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising these changes and modification.
Claims (10)
1. a kind of method that terminal switches between Base Band Unit, it is characterised in that methods described includes：
In multi-site altogether cell, source Base Band Unit, when the quality of uplink signal of terminal meets first and imposes a condition, will be institute
The resource for stating terminal distribution is reconfigured to public frequency from the business frequency of itself；
When terminal is switched between Base Band Unit, source Base Band Unit is released to the resource of the terminal distribution, and terminal is being cut
The target Base Band Unit accessed after changing is using the public frequency of itself as the resource for distributing to the terminal；
Target Base Band Unit terminal quality of uplink signal meet second impose a condition when, by the resource for the terminal distribution
Reconfigure to business frequency from the public frequency of itself；
Wherein, the source Base Band Unit is identical with the public frequency of target Base Band Unit, and business frequency is differed.
2. the method that terminal as claimed in claim 1 switches between Base Band Unit, it is characterised in that determine in the following manner
Terminal needs to switch between Base Band Unit：
Source Base Band Unit terminal quality of uplink signal meet first impose a condition when or by the resource for the terminal distribution
Notification protocol controller is reconfigured to public frequency from the business frequency of itself；
The protocol controller indicates that source Base Band Unit and other Base Band Unit adjacent with the source Base Band Unit are reported for institute
State the quality of uplink signal testing result of terminal；
What the testing result that the source Base Band Unit is reported by the protocol controller was reported with described other Base Band Unit respectively
Testing result is compared, when it is determined that existing full between the testing result that the testing result that reports and the source Base Band Unit are reported
During other Base Band Unit of sufficient comparison condition, determine that terminal needs to switch between Base Band Unit.
3. the method that terminal as claimed in claim 2 switches between Base Band Unit, it is characterised in that methods described also includes：
Protocol controller notifies that the source Base Band Unit is released to institute when it is determined that terminal needs to switch between Base Band Unit
The resource of terminal distribution, and other Base Band Unit described in determining are stated as target Base Band Unit, and notifies the target base
Tape cell is using public frequency as the resource for distributing to terminal.
4. a kind of Base Band Unit is the method for terminal distribution resource, it is characterised in that methods described includes：
In multi-site altogether cell, when terminal accesses Base Band Unit, Base Band Unit is using the public frequency of itself as distributing to
The resource of the terminal；
When Base Band Unit determines the quality of uplink signal of the terminal meets first and imposes a condition when, by for the terminal distribution
Resource is reconfigured to business frequency from the public frequency of itself；
When Base Band Unit determines the quality of uplink signal of the terminal meets second and imposes a condition when, by for the terminal distribution
Resource is reconfigured to public frequency from the business frequency of itself；
Wherein, the public frequency of each Base Band Unit is identical, and the business frequency of at least two Base Band Unit is different.
5. the communication system that a kind of terminal switches between Base Band Unit, is applied in the common cell of multi-site, it is characterised in that described
System includes：
Source Base Band Unit, when meeting first for the quality of uplink signal in terminal and imposing a condition, by for the terminal distribution
Resource is reconfigured to public frequency from the business frequency of itself, when terminal is switched between Base Band Unit, is released to described
The resource of terminal distribution；
Target Base Band Unit, for when the terminal is accessed, using the public frequency of itself as the money for distributing to the terminal
Source；
Wherein, the source Base Band Unit is identical with the public frequency of target Base Band Unit, and business frequency is differed；
The target Base Band Unit, is additionally operable to when the quality of uplink signal of terminal meets second and imposes a condition, will be the end
The resource of end distribution is reconfigured to business frequency from the public frequency of itself.
6. the communication system that terminal as claimed in claim 5 switches between Base Band Unit, it is characterised in that the system is also wrapped
Protocol controller is included, wherein：
Source Base Band Unit, be additionally operable to terminal quality of uplink signal meet first impose a condition when or will be the terminal distribution
Resource reconfigure to public frequency from the business frequency of itself and notify the protocol controller；
Protocol controller, for indicating that source Base Band Unit and other Base Band Unit adjacent with the source Base Band Unit are reported for institute
State the quality of uplink signal testing result of terminal, and the testing result that the source Base Band Unit is reported respectively with described other bases
The testing result that tape cell is reported is compared, when it is determined that there is the inspection that the testing result that reports is reported with the source Base Band Unit
When other Base Band Unit of comparison condition are met between survey result, determine that terminal needs to switch between Base Band Unit.
7. the communication system that terminal as claimed in claim 6 switches between Base Band Unit, it is characterised in that
Protocol controller, is additionally operable to, when it is determined that terminal needs to switch between Base Band Unit, notify the source Base Band Unit
The resource of the terminal distribution, and other Base Band Unit described in determining are released to as target Base Band Unit, and are notified
The target Base Band Unit is using public frequency as the resource for distributing to terminal.
8. a kind of Base Band Unit, is applied in the common cell of multi-site, it is characterised in that the Base Band Unit includes：
Signal quality detector module, for the quality of uplink signal of detection terminal；
Judge module, for judging whether the quality of uplink signal that the detector unit is detected meets the first setting bar
Part；
Reconfiguration module, for when judging unit judges that the quality of uplink signal meets first and imposes a condition, will being described
The resource of terminal distribution is reconfigured to public frequency from the business frequency of itself；
Resource release module, for when there is terminal to switch to other Base Band Unit, being released to the resource of the terminal distribution；
Resource configuration module, for when there is terminal to access, using the public frequency of itself as the resource for distributing to the terminal；
The judge module is additionally operable to judge whether the quality of uplink signal that the signal quality detector unit is detected is full
Foot second imposes a condition；
The reconfiguration module, is additionally operable to when judging unit judges that the quality of uplink signal satisfaction second imposes a condition, will
Resource for terminal distribution is reconfigured to business frequency from the public frequency of itself;
Wherein, the public frequency of each Base Band Unit is identical, and the business frequency of at least two Base Band Unit is different.
9. Base Band Unit as claimed in claim 8, it is characterised in that the Base Band Unit also includes：
Notification module, for judging unit judge the quality of uplink signal meet first impose a condition when or reconfigure unit
Resource for the terminal distribution is reconfigured to public frequency from the business frequency of itself, notification protocol controller；
Reporting module, for when the instruction of the protocol controller is received, by the quality of uplink signal testing result of terminal
Offer protocol controller.
10. a kind of Base Band Unit, is applied in the common cell of multi-site, it is characterised in that the Base Band Unit includes：
Resource configuration module, for when terminal is accessed, using the public frequency of itself as the resource for distributing to the terminal；
Reconfiguration module, for when it is determined that the terminal quality of uplink signal meet first impose a condition when, will be the end
The resource of end distribution is reconfigured to business frequency from the public frequency of itself, when it is determined that the quality of uplink signal of the terminal meets
Second when imposing a condition, and the resource for the terminal distribution is reconfigured to public frequency from the business frequency of itself；
Wherein, the public frequency of each Base Band Unit is identical, and the business frequency of at least two Base Band Unit is different.
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| CN201310200201.1A CN103281736B (en) | 2013-05-24 | 2013-05-24 | For terminal distribution resource, the method, apparatus and system switched between Base Band Unit |
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| CN201310200201.1A CN103281736B (en) | 2013-05-24 | 2013-05-24 | For terminal distribution resource, the method, apparatus and system switched between Base Band Unit |
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| CN105704751B (en) * | 2014-11-26 | 2020-07-31 | 南京中兴新软件有限责任公司 | Method, device and system for reporting network sharing data |
| KR101872658B1 (en) | 2014-11-29 | 2018-06-28 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Method and apparatus for adjusting air interface capacity density |
| CN111031593B (en) * | 2018-10-09 | 2021-10-15 | 华为技术有限公司 | Method for controlling power consumption, BBU, RU, system and storage medium |
| CN110602235B (en) * | 2019-09-23 | 2022-08-23 | 北京中农信达信息技术有限公司 | PB-level remote sensing image data service publishing and slicing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1200637A (en) * | 1997-05-28 | 1998-12-02 | 日本电气株式会社 | Low traffic handoff method for CDMA cellular network using different frequencies among base stations |
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| CN102457312A (en) * | 2010-10-15 | 2012-05-16 | 中兴通讯股份有限公司 | Method for data transmission between base band unit and a remote radio unit and distributed base station |
| KR101773517B1 (en) * | 2011-08-03 | 2017-09-12 | 에스케이텔레콤 주식회사 | Communication system and method |
| CN102395133A (en) * | 2011-08-10 | 2012-03-28 | 华为技术有限公司 | Multi-site co-cell network building method, base band unit and radio remote unit and system |
| EP2764641B1 (en) * | 2011-10-03 | 2019-12-18 | Intel Corporation | Device to device (d2d) communication mechanisms |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1200637A (en) * | 1997-05-28 | 1998-12-02 | 日本电气株式会社 | Low traffic handoff method for CDMA cellular network using different frequencies among base stations |
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Address after: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
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Granted publication date: 20170329 |