CN105472659B - Wireless resource allocation methods and system between node - Google Patents

Abstract

The present invention discloses wireless resource allocation methods and system between a kind of node.Wherein source node is judging that user terminal is in effective overlay area of destination node, then further determines whether to meet scheduled shunting trigger condition.If judgement meets scheduled shunting trigger condition, source node sends to destination node and shunts notification message.After destination node receives shunting notification message, judge whether that corresponding shunt is received to carry, and send carrying to source node when at least one can be received to shunt carrying and shunt confirmation message, wherein it includes the shunting load identification that can be received that carrying, which shunts confirmation message,.Respective carrier is diverted to destination node according to the shunting load identification that can be received after receiving carrying and shunting confirmation message by source node.It is too low and reduce waste problem to the running time-frequency resource of small base station so as to be effectively reduced service rate brought by unreasonable resource allocation, improve network throughput and user's perception.

Description

Wireless resource allocation methods and system between node

Technical field

The present invention relates to the communications field, in particular to wireless resource allocation methods and system between a kind of node.

Background technique

Rising with user to LTE (Long Term Evolution, long term evolution) network capacity and covering demand, Small base station (Small Cell) certainly will be needed to introduce in following LTE network to absorb traffic and enhancing covering, but tradition is small The introducing of base station will increase the interference between node and the generation negative impact for terminal mobility to a certain extent. It is ground in the standard of 3GPP (The 3rd Generation Partnership Project, third generation partner program) R12 In studying carefully, SCE (Small Cell Enhancement, small base station enhancing) subject under discussion mainly studies capacity and movement in heterogeneous network The relevant issues such as property.The protocol stack architecture 1A that small base station enhancing mainly discusses in current standard is as shown in Figure 1.According to 3GPP Discussion, the carrying transfer between macro base station and small base station has mainly been multiplexed handover mechanism, but still has during this Some problems need to realize by standardization or producer to solve:

Problem 1: which carrying macro base station selects be diverted to small base station

Traditional handover trigger is mainly since terminal is moved to cell edge or because causes due to network load All business of the terminal are all switched in another cell, NGBR (Non of the Target cell for switching terminal Guaranteed Bit Rate, non-guaranteed bit rate) not can guarantee it higher than former cell for rate.And in dual link scene Shunting main purpose of middle carrying is other than shunting macro base station load, and there are also the rates for promoting NGBR business to maximize The handling capacity of network.So if NGBR carrying can not obtain higher rate after being diverted to small base station, not as good as being maintained at macro base It stands, can not only save signaling overheads can also reduce waste for small base station frequency spectrum resource.But traditional handover mechanism It is unable to estimate the rate for being carried on Target cell in middle source cell.

Problem 2: reasonable distribution UE-AMBR between macro base station and small base station

Core net needs to distribute rate limit UE-AMBR (the UE Aggregate of a NGBR business to single terminal Maximum Bit Rate, the maximum rate of user's polymerization), due to there are two transmission nodes in dual link scene, Two nodes need to share this rate limit information, but unreasonable UE-AMBR distribution can reduce user and network Handling capacity.

Problem 3: when the carrying received on small base station needs to be switched back to macro base station

In framework shown in Fig. 1, macro base station can not in real-time perception to small base station the terminal service rate, and if adopting Industry is interacted with macro base station by X2 interface with the mode or small base station that the measurement based on the terminal in traditional handover mechanism reports It is engaged in rate information, all can largely consume signal resource and also very inaccurate.

Summary of the invention

The embodiment of the present invention provides wireless resource allocation methods and system between a kind of node.It can effectively reduce unreasonable money Source distribute brought by service rate it is too low and reduce waste problem to the running time-frequency resource of small base station, to improve network Handling capacity and user's perception.

According to an aspect of the present invention, wireless resource allocation methods between a kind of node are provided, comprising:

Source node judges whether user terminal is in effective overlay area of destination node；

If judging, the user terminal is in effective overlay area of destination node, and source node further determines whether Meet scheduled shunting trigger condition；

If judgement meets scheduled shunting trigger condition, source node sends to destination node and shunts notification message, wherein Shunting notification message includes the mark for shunting carrying；

After destination node receives shunting notification message, judge whether that corresponding shunt is received to carry, and can receive Carrying is sent to source node when at least one shunts carrying and shunts confirmation message, wherein it includes that can connect that carrying, which shunts confirmation message, The shunting load identification received；

Source node is after receiving carrying and shunting confirmation message, according to the shunting load identification that can be received by respective carrier It is diverted to destination node.

In one embodiment, source node judges whether the user terminal is in effective overlay area of destination node The step of include:

Source node indicates that the user terminal surveys the frequency point of destination node when no carrying is located at destination node Amount；

The measurement result that source node is reported according to the user terminal, if the signal matter at least one frequency point of destination node The difference of signal quality and/or signal strength in amount and/or signal strength and source node at least one frequency point greater than predetermined threshold, Then judge that the user terminal is in effective overlay area of destination node.

In one embodiment, source node judges whether the user terminal is in effective overlay area of destination node The step of include:

Source node judges that the user terminal is in effective covering of destination node when there is carrying to be diverted to destination node In region.

In one embodiment, if judging, the user terminal is in effective overlay area of destination node, source section Point further determines whether that the step of meeting scheduled shunting trigger condition includes:

If judging, the user terminal is in effective overlay area of destination node, and source node is to the user terminal In NGBR carrying classify, wherein by the user terminal NGBR carrying be divided into the business for having rate requirement and without speed The business that rate needs is each to have the business of rate requirement that a minimum target rate value and a minimum receiving rate is arranged, A minimum receiving rate is only arranged in the business needed for no rate；

Source node further determines whether to meet scheduled shunting trigger condition.

In one embodiment, source node judges whether that the step of meeting scheduled shunting trigger condition includes:

Source node judges whether own load is more than scheduled load-threshold；

If judging, own load is more than scheduled load-threshold, and the user terminal includes at least a GBR traffic, then Source node judgement meets scheduled shunting trigger condition.

In one embodiment, source node judges whether that the step of meeting scheduled shunting trigger condition includes:

Source node judge the user terminal whether include rate requirement NGBR business；

If judging, the user terminal includes the NGBR business that at least one has rate requirement, and source node judgement meets pre- Fixed shunting trigger condition.

In one embodiment, after destination node receives shunting notification message, judge whether that corresponding shunt is received to hold The step of load includes:

Destination node receives shunt notification message after, carried for k-th of shunting, during local first carrying of statistics is gathered All carry the sum of the PRB value needed in the upstream directionAnd the sum of PRB value needed in the downstream directionWherein in the first carrying set, the QCI value all carried is greater than k-th of QCI value for shunting carrying；1≤k≤ A, A be shunt notification message in include shunting carrying sum, shunt notification message in include shunting carrying according to QCI value by High to Low sequence arrangement, M are the carrying sum in the first carrying set；

The sum of the PRB value needed in the upstream direction is all carried in the local second carrying set of destination node statisticsAnd the sum of PRB value needed in the downstream directionWherein in the second carrying set, entirely The QCI value of portion's carrying is equal to k-th of QCI value for shunting carrying, and K is the carrying sum in the second carrying set；

Destination node determines that k-th of shunting carries the PRB value needed in the upstream directionAnd in downlink side The PRB value needed upwards

If meeting simultaneously:

Then destination node judges that k-th of shunting carrying can be accepted.

It in one embodiment, include NGBR business in carrying if shunting, shunting notification message further includes source node point The UE-AMBR parameter of dispensing destination node the, wherein uplink UE-AMBR parameter for distributing to destination node is to distribute to the downlink UE-AMBR parameter of destination node to beThe uplink for wherein giving the user terminal to distribute for core net UE-AMBR parameter and downlink UE-AMBR parameter, x are rate floating parameter, and are respectively not need to shunt Without the sum of the current service rate on rate requirement business uplink and downlink direction, N be do not need shunt without rate requirement Number of services.

In one embodiment, destination node classifies the shunting that cannot be accepted carrying, is not connect with obtaining first Carrying of receiving is gathered and second does not receive carrying to gather, wherein first does not receive whole carryings in carrying set to have rate to want Ask, second do not receive carrying gather in whole carryings without rate requirement, first do not receive carrying gather in be all carried on The sum of rate on up direction and down direction isWithSecond do not receive carrying gather in be all carried on uplink side It is to the sum of the rate on down directionWith

It modifies to the UE-AMBR parameter of source node distribution, wherein willAs modification Uplink UE-AMBR parameter afterwards, willAs modified downlink UE-AMBR parameter；

Modified uplink UE-AMBR parameter and downlink UE-AMBR parameter are added to and are sent to source node by destination node Carrying shunt confirmation message in.

In one embodiment, source node is after receiving carrying and shunting confirmation message, and further inquiry carrying shunts true Recognize in message and whether carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d；

If carrying shunts in confirmation message and carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d, then the NGBR business by the user terminal in source node uses uplink UE-AMBR parameter and downlink UE-AMBR ginseng Number is updated to respectivelyWith

In one embodiment, destination node is monitored the active service rate that the user terminal carries, judgement Whether meet and scheduled shunts back source node condition；

If meet it is scheduled shunt back source node condition, destination node sends to source node and shunts request message, wherein Shunting request message includes the mark for shunting carrying；

After source node receives shunting request message, judge whether that corresponding shunt is received to carry；

When that can receive at least one carrying, source node sends to destination node and shunts request confirmation message；Source node Configuration notification message also is sent to the user terminal, it is whole to the user for notifying the carrying for shunting back source node again End, so as to the relevant protocol stack parameter of carrying configuration to shunt back source node again；

Destination node can divide after receiving shunting request confirmation message according to include in shunting request confirmation message The carrying list of stream executes data forwarding to the carrying that needs shunt, and sends data to source node after data forwarding completion Forward completion notice；

Source node is receiving the user terminal after the data forwarding completion notice for receiving destination node transmission After the configuration response message of transmission, is sent to destination node and shunt carrying forward completion notice；Wherein the user terminal is completed Again shunt back source node be carried on the reconfiguring of source node after, send configuration response message to source node；

Destination node after receiving shunting carrying forward completion notice, protect by the carrying for being released to shunt back source node again The related resource stayed.

In one embodiment, destination node is being released to shunt back the related resource of the carrying reservation of source node again After step, further includes:

Destination node judges whether itself also remains with the carrying of the user terminal；

If itself not retaining the carrying of the user terminal, destination node discharges relevant context.

In one embodiment, destination node is monitored the active service rate that the user terminal carries, judgement Whether meeting scheduled the step of shunting back source node condition includes:

Destination node judges whether the spectrum efficiency of the user terminal is lower than predetermined efficiency thresholding；

If the spectrum efficiency of the user terminal is lower than predetermined efficiency thresholding, destination node judgement meets scheduled shunting Return source node condition.

In one embodiment, destination node is monitored the active service rate that the user terminal carries, judgement Whether meeting scheduled the step of shunting back source node condition includes:

Destination node inquiry has whether the carrying of rate requirement can satisfy minimum target rate requirement；

If it was found that destination node judgement meets pre- when having the carrying of rate requirement not to be able to satisfy minimum target rate requirement Source node condition is returned in fixed shunting.

In one embodiment, after source node receives shunting request message, judge whether that corresponding shunt is received to carry The step of include:

Source node receives shunt request message after, carry, counted in local third carrying set entirely for p-th of shunting Portion carries the sum of the PRB value needed in the upstream directionAnd the sum of PRB value needed in the downstream directionWherein in third carrying set, the QCI value all carried is greater than p-th of QCI value for shunting carrying；1≤p ≤ B, B are to shunt the shunting carrying sum for including in notification message, shunt the shunting for including in notification message and carry according to QCI value Sequence arrangement from high to low, X are the carrying sum in third carrying set；

The sum of the PRB value needed in the upstream direction is all carried in the local 4th carrying set of source node statisticalAnd the sum of PRB value needed in the downstream directionWherein in the 4th carrying set, The QCI value all carried is equal to p-th of QCI value for shunting carrying, and Y is the carrying sum in the 4th carrying set；

Source node determines that p-th of shunting carries the PRB value needed in the upstream directionAnd in down direction The PRB value of upper needs

If meeting simultaneously:

Then source node judges that p-th of shunting carrying can be accepted.

In one embodiment, when source node includes NGBR business in the carrying that do not receive, the shunting to that can be accepted Carrying is classified, and carrying set is received to obtain the first receiving carrying set and second, wherein first receives in carrying set Whole carryings have rate requirement, second receives whole carryings in carrying set to receive carrying without rate requirement, first The sum of the rate being all carried on up direction and down direction in set isWithSecond receives in carrying set entirely Portion is carried on the sum of rate on up direction and down directionWith

Redefine the uplink UE-AMBR parameter for distributing to destination nodeWith downlink UE-AMBR parameterWherein:

WhereinIt is core net to the uplink UE-AMBR parameter and downlink UE- of user terminal distribution AMBR parameter, x are rate floating parameter,For the currently used uplink UE-AMBR parameter of source node and Downlink UE-AMBR parameter；

Uplink UE-AMBR the parameter that source node will redefineWith downlink UE-AMBR parameterIt is added to It shunts in request confirmation message.

In one embodiment, destination node is after receiving shunting request confirmation message, further includes:

Destination node judges whether there is the carrying that cannot be divided to source node, and judges to shunt request confirmation message In whether carry the uplink UE-AMBR parameter redefinedWith downlink UE-AMBR parameter

Cannot be divided to the carrying of source node if it exists, and shunt carried in request confirmation message redefine it is upper Row UE-AMBR parameterWith downlink UE-AMBR parameterUplink UE-AMBR the parameter that will then redefineWith downlink UE-AMBR parameterJoin as currently used uplink UE-AMBR parameter and downlink UE-AMBR Number；Then it executes according to the carrying list that can be shunted for including in request confirmation message is shunted, the carrying shunted to needs is held The step of row data forwarding；

It cannot be divided to the carrying of source node if it does not exist, or shunt to carry in request confirmation message and redefine Uplink UE-AMBR parameterWith downlink UE-AMBR parameterIt then executes and is wrapped according in shunting request confirmation message The carrying list that can be shunted included, the step of data forwarding is executed to the carrying that shunts of needs.

In one embodiment, source node is macro base station, and destination node is small base station.

According to another aspect of the present invention, radio resource allocation system between a kind of node, including source node and target are provided Node, in which:

Source node, for judging whether user terminal is in effective overlay area of destination node；If judging the use Family terminal is in effective overlay area of destination node, then further determines whether to meet scheduled shunting trigger condition；If Judgement meets scheduled shunting trigger condition, then sends to destination node and shunt notification message, wherein shunting notification message includes Shunt the mark of carrying；After the carrying for receiving destination node transmission shunts confirmation message, held according to the shunting that can be received It carries mark and respective carrier is diverted to destination node；

Destination node receives corresponding point for judging whether after the shunting notification message for receiving source node transmission Stream carrying, and send carrying to source node when at least one can be received to shunt carrying and shunt confirmation message, wherein carrying point Flowing confirmation message includes the shunting load identification that can be received.

In one embodiment, source node indicates the user terminal pair specifically when no carrying is located at destination node The frequency point of destination node measures；According to the measurement result that the user terminal reports, if at least one frequency point of destination node On signal quality and/or signal quality and/or signal strength on signal strength and source node at least one frequency point difference it is big In predetermined threshold, then judge that the user terminal is in effective overlay area of destination node.

In one embodiment, source node judges at the user terminal specifically when there is carrying to be diverted to destination node In effective overlay area of destination node.

In one embodiment, source node is specifically judging that the user terminal is in effective overlay area of destination node When middle, classify to the NGBR carrying in the user terminal, wherein the NGBR carrying in the user terminal, which is divided into, to be had The business of rate requirement and the business needed without rate are each to have the business of rate requirement that a minimum target rate value is arranged With a minimum receiving rate, a minimum receiving rate is only arranged in the business needed for no rate；Then further judgement is It is no to meet scheduled shunting trigger condition.

In one embodiment, source node specifically judges whether own load is more than scheduled load-threshold；If judgement is certainly Bearing load is more than scheduled load-threshold, and the user terminal includes at least a GBR traffic, then judgement meets scheduled point Flow trigger condition.

In one embodiment, source node specifically judge the user terminal whether include rate requirement NGBR industry Business；If judging, the user terminal includes the NGBR business that at least one has rate requirement, and judgement meets scheduled shunting touching Clockwork spring part.

In one embodiment, destination node carries specifically after receiving shunting notification message for k-th of shunting, The sum of the PRB value needed in the upstream direction is all carried in the local first carrying set of statisticsAnd in downlink The sum of PRB value needed on directionWherein in the first carrying set, the QCI value all carried is greater than k-th Shunt the QCI value of carrying；1≤k≤A, A are to shunt the shunting carrying sum for including in notification message, shunt and wrap in notification message The shunting carrying included is arranged according to the sequence of QCI value from high to low, and M is the carrying sum in the first carrying set；Statistics is local The sum of the PRB value needed in the upstream direction is all carried in second carrying setAnd in the downstream direction The sum of PRB value neededWherein in the second carrying set, the QCI value all carried is equal to k-th of shunting and holds The QCI value of load, K are the carrying sum in the second carrying set；Determine that k-th of shunting carries the PRB needed in the upstream direction ValueAnd the PRB value needed in the downstream directionIf meeting simultaneously:

Then judge that k-th of shunting carrying can be accepted.

It in one embodiment, include NGBR business in carrying if shunting, shunting notification message further includes source node point The UE-AMBR parameter of dispensing destination node the, wherein uplink UE-AMBR parameter for distributing to destination node is to distribute to the downlink UE-AMBR parameter of destination node to beThe uplink for wherein giving the user terminal to distribute for core net UE-AMBR parameter and downlink UE-AMBR parameter, x are rate floating parameter, and are respectively not need to shunt Without the sum of the current service rate on rate requirement business uplink and downlink direction, N be do not need shunt without rate requirement Number of services.

In one embodiment, destination node is also used to be accepted shunting carrying is classified, to obtain the One does not receive carrying to gather does not receive carrying to gather with second, wherein first does not receive the whole carrying in carrying set to have speed Rate requirement, second do not receive carrying gather in whole carryings without rate requirement, first do not receive carrying gather in all hold The sum of the rate being loaded on up direction and down direction isWithSecond do not receive carrying gather in be all carried on The sum of rate on line direction and down direction isWithIt modifies to the UE-AMBR parameter of source node distribution, wherein It willIt, will as modified uplink UE-AMBR parameterMake For modified downlink UE-AMBR parameter；Modified uplink UE-AMBR parameter and downlink UE-AMBR parameter are added to hair The carrying for giving source node shunts in confirmation message.

In one embodiment, source node is also used to after receiving carrying and shunting confirmation message, further inquiry carrying It shunts in confirmation message and whether carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d；If carrying It shunts in confirmation message and carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d, then by the use Uplink UE-AMBR the parameter and downlink UE-AMBR parameter that NGBR business of the family terminal in source node uses are updated to respectivelyWith

In one embodiment, destination node is also used to supervise the active service rate that the user terminal carries Control, judges whether to meet and scheduled shunts back source node condition；If meet it is scheduled shunt back source node condition, to source node It sends and shunts request message, wherein shunting request message includes the mark for shunting carrying；In the shunting for receiving source node transmission After request confirmation message, according to the carrying list that can be shunted for including in request confirmation message is shunted, held to what needs shunted It carries and executes data forwarding, and send data forwarding completion notice to source node after data forwarding completion；Receiving source node After the shunting carrying forward completion notice of transmission, it is released to shunt back the related resource that the carrying of source node retains again；

Source node is also used to after the shunting request message for receiving destination node transmission, judges whether to receive corresponding point Stream carrying；If at least one carrying can be received, is sent to destination node and shunt request confirmation message；It is also whole to the user End sends configuration notification message, for notifying the carrying for shunting back source node again to the user terminal, so as to for again The carrying for shunting back source node configures relevant protocol stack parameter；In the data forwarding completion notice for receiving destination node transmission Afterwards, it and after receiving the configuration response message that the user terminal is sent, is sent to destination node and shunts carrying forward completion Notice；Wherein the user terminal complete to shunt back again source node be carried on the reconfiguring of source node after, to source node Send configuration response message.

In one embodiment, destination node is also used to be released to shunt back the correlation of the carrying reservation of source node again After resource, judge whether itself also remains with the carrying of the user terminal；If itself does not retain holding for the user terminal It carries, then discharges relevant context.

In one embodiment, destination node specifically judges whether the spectrum efficiency of the user terminal is lower than predetermined efficiency Thresholding；If the spectrum efficiency of the user terminal is lower than predetermined efficiency thresholding, judgement, which meets, scheduled shunts back source node item Part.

In one embodiment, destination node, which is specifically inquired, whether the carrying of rate requirement can satisfy minimum target speed Rate demand；If it was found that judgement meets scheduled shunting when having the carrying of rate requirement not to be able to satisfy minimum target rate requirement Return source node condition.

In one embodiment, it after source node specifically receives shunting request message, is carried for p-th of shunting, statistics The sum of the PRB value needed in the upstream direction is all carried in local third carrying setAnd in downlink side The sum of PRB value needed upwardsWherein in third carrying set, the QCI value all carried is greater than p-th point Flow the QCI value of carrying；1≤p≤B, B are to shunt the shunting carrying sum for including in notification message, include in shunting notification message Shunting carrying arranged according to QCI value sequence from high to low, X is the carrying sum in third carrying set；Statistics local the The sum of the PRB value needed in the upstream direction is all carried in four carrying setAnd it needs in the downstream direction The sum of PRB value wantedWherein in the 4th carrying set, the QCI value all carried is equal to p-th of shunting and holds The QCI value of load, Y are the carrying sum in the 4th carrying set；Determine that p-th of shunting carries the PRB needed in the upstream direction ValueAnd the PRB value needed in the downstream directionIf meeting simultaneously:

Then judge that p-th of shunting carrying can be accepted.

In one embodiment, source node is also used in the carrying that do not receive when including NGBR business, to can be accepted Shunting carrying classify, with obtain the first receiving carrying set and second receive carrying set, wherein first receive carrying Whole carryings in set have rate requirement, and second receives whole carryings in carrying set to connect without rate requirement, first The sum of the rate that is all carried on up direction and down direction in carrying set of receiving isWithSecond receives carrying collection The sum of the rate being all carried on up direction and down direction in conjunction isWithIt redefines and distributes to destination node Uplink UE-AMBR parameterWith downlink UE-AMBR parameterWherein:

WhereinIt is core net to the uplink UE-AMBR parameter and downlink UE- of user terminal distribution AMBR parameter, x are rate floating parameter,For the currently used uplink UE-AMBR parameter of source node and Downlink UE-AMBR parameter；Uplink UE-AMBR the parameter that will be redefinedWith downlink UE-AMBR parameterAdd Enter into shunting request confirmation message.

In one embodiment, destination node is also used to after receiving shunting request confirmation message, is judged whether there is It cannot be divided to the carrying of source node, and judge shunt in request confirmation message whether carry the uplink redefined UE-AMBR parameterWith downlink UE-AMBR parameterIt cannot be divided to the carrying of source node if it exists, and It shunts in request confirmation message and carries the uplink UE-AMBR parameter redefinedWith downlink UE-AMBR parameterUplink UE-AMBR the parameter that will then redefineWith downlink UE-AMBR parameterAs currently making Uplink UE-AMBR parameter and downlink UE-AMBR parameter；Then executing can according to include in shunting request confirmation message The carrying list of shunting executes the operation of data forwarding to the carrying that needs shunt；It cannot be divided to source node if it does not exist Carrying, or shunt request confirmation message in carry the uplink UE-AMBR parameter redefinedWith downlink UE- AMBR parameterIt then executes according to the carrying list that can be shunted for including in request confirmation message is shunted, to needs point The carrying of stream executes the operation of data forwarding.

In one embodiment, source node is macro base station, and destination node is small base station.

The present invention by solve in dual link scene between macro base station and small base station some user carrying and phase The reasonable distribution problem of configuration parameter between the two nodes is closed, so as to be effectively reduced unreasonable resource allocation institute band The service rate come is too low and reduction is to the waste problem of the running time-frequency resource of small base station, improves network throughput and user Perception.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other drawings based on these drawings.

Fig. 1 is the schematic diagram of small base station user face frame structure 1A in the prior art.

The schematic diagram of Fig. 2 wireless resource allocation methods one embodiment between node of the present invention.

The schematic diagram of Fig. 3 another embodiment of wireless resource allocation methods between node of the present invention.

The schematic diagram of Fig. 4 radio resource allocation system one embodiment between node of the present invention.

Fig. 5 is to implement networking scene schematic diagram of the invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall within the protection scope of the present invention.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments It is not limited the scope of the invention up to formula and numerical value.

Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality Proportionate relationship draw.

Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable In the case of, the technology, method and apparatus should be considered as authorizing part of specification.

It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.

The schematic diagram of Fig. 2 wireless resource allocation methods one embodiment between node of the present invention.Wherein, source node shunting is held The method and step for being downloaded to destination node is as follows:

Step 201, source node judges whether user terminal is in effective overlay area of destination node.

Preferably, source node is macro base station, and destination node is small base station.

Preferably, source node indicates the user terminal to the frequency of destination node when no carrying is located at destination node Point measures.The measurement result that source node is reported according to the user terminal, if the letter at least one frequency point of destination node The difference of signal quality and/or signal strength in number quality and/or signal strength and source node at least one frequency point is greater than predetermined Thresholding then judges that the user terminal is in effective overlay area of destination node.

For example, signal quality can (Reference Signal Receiving Quality, reference signal receive with RSRQ Quality) it indicates, signal strength can use RSRP (Reference Signal Receiving Power, Reference Signal Received Power) It indicates.

Alternatively, source node when there is carrying to be diverted to destination node, judges that the user terminal is in having for destination node It imitates in overlay area.

Step 202, if judging, the user terminal is in effective overlay area of destination node, and source node is further Judge whether to meet scheduled shunting trigger condition.

Preferably, if judging, the user terminal is in effective overlay area of destination node, and source node is to described NGBR carrying in user terminal is classified, wherein the NGBR carrying in the user terminal is divided into the industry for having rate requirement Business (such as FTP, P2P) and the business (such as QQ, MSN) needed without rate are each to have the business of rate requirement to be arranged one A minimum receiving rate is only arranged in minimum target rate value and a minimum receiving rate, the business needed for no rate.Source Then node executes the step of judging whether to meet scheduled shunting trigger condition again.

Step 203, if judgement meets scheduled shunting trigger condition, source node sends to shunt to destination node and notifies to disappear Breath, wherein shunting notification message includes the mark for shunting carrying.

In one embodiment, source node judges whether own load is more than scheduled load-threshold；If judgement is born certainly Carrying is more than scheduled load-threshold, and the user terminal includes at least a GBR (Guaranteed Bit Rate, guarantee ratio Special rate) business, then source node judges to meet scheduled shunting trigger condition.

In another embodiment, source node judge the user terminal whether include rate requirement NGBR business；If Judge that the user terminal includes the NGBR business that at least one has rate requirement, then source node judgement meets scheduled shunting touching Clockwork spring part.

Preferably, notification message may include following content, but do not limit to and this:

Shunt the mark of carrying

Shunt QOS (Quality of Service, service quality) information of carrying

There is the minimum target rate of rate requirement business

Shunt reason

Terminal measures small base station signal strength and signal quality

Distribute to the UE-AMBR of small base station

Wherein shunting reason and including at least to be generated by high load leads to shunting and the NGBR business by there is rate requirement Caused by shunt, if shunting in carrying has NGBR business, need to calculate and distribute to the UE-AMBR of small base station.

Preferably, the uplink UE-AMBR parameter for distributing to destination node is The downlink UE-AMBR parameter for distributing to destination node isUplink UE-AMBR the parameter and downlink UE-AMBR parameter for wherein giving the user terminal to distribute for core net, x are speed Rate floating parameter, and be respectively do not need shunt without on rate requirement business uplink and downlink direction The sum of current service rate, N be do not need shunt without rate requirement number of services.

Step 204, after destination node receives shunting notification message, judge whether that corresponding shunt is received to carry, and At least one can be received to send carrying to source node when shunting carrying and shunt confirmation message, wherein carrying shunts confirmation message packet Include the shunting load identification that can be received.

Step 205, source node, will according to the shunting load identification that can be received after receiving carrying and shunting confirmation message Respective carrier is diverted to destination node.

Wireless resource allocation methods between the node provided based on the above embodiment of the present invention, can be effectively reduced unreasonable Resource allocation brought by service rate it is too low and reduce waste problem to the running time-frequency resource of small base station, improve network Handling capacity and user's perception.

In one embodiment, after above-mentioned destination node receives shunting notification message, judge whether to receive corresponding point Flowing the step of carrying includes:

Destination node receives shunt notification message after, carried for k-th of shunting, during local first carrying of statistics is gathered All carry the sum of the PRB value needed in the upstream directionAnd the sum of PRB value needed in the downstream directionWherein in the first carrying set, the QCI value all carried is greater than k-th of QCI value for shunting carrying；1≤k≤ A, A be shunt notification message in include shunting carrying sum, shunt notification message in include shunting carrying according to QCI value by High to Low sequence arrangement, M are the carrying sum in the first carrying set.

The sum of the PRB value needed in the upstream direction is all carried in the local second carrying set of destination node statisticsAnd the sum of PRB value needed in the downstream directionWherein in the second carrying set, entirely The QCI value of portion's carrying is equal to k-th of QCI value for shunting carrying, and K is the carrying sum in the second carrying set.

Destination node determines that k-th of shunting carries the PRB value needed in the upstream directionAnd in downlink side The PRB value needed upwards

If meeting simultaneously:

Then destination node judges that k-th of shunting carrying can be accepted.

Preferably, destination node also classifies the shunting that cannot be accepted carrying, does not receive carrying to obtain first Set and second does not receive carrying to gather, wherein first do not receive carrying gather in whole carryings have a rate requirement, second Do not receive carrying gather in whole carryings without rate requirement, first do not receive carrying gather in be all carried on up direction It is with the sum of the rate on down directionWithSecond do not receive carrying gather in be all carried on up direction and downlink The sum of rate on direction isWithIt modifies to the UE-AMBR parameter of source node distribution, wherein willIt, will as modified uplink UE-AMBR parameterAs Modified downlink UE-AMBR parameter.Destination node adds modified uplink UE-AMBR parameter and downlink UE-AMBR parameter Enter to the carrying for being sent to source node and shunts in confirmation message.

In one embodiment, source node is after receiving carrying and shunting confirmation message, and further inquiry carrying shunts true Recognize in message and whether carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d；

If carrying shunts in confirmation message and carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d, then the NGBR business by the user terminal in source node uses uplink UE-AMBR parameter and downlink UE-AMBR ginseng Number is updated to respectivelyWith

The schematic diagram of Fig. 3 another embodiment of wireless resource allocation methods between node of the present invention.Wherein, destination node shunts The method and step for being carried back to source node is as follows:

Step 301, destination node is monitored the active service rate that the user terminal carries, and judges whether to meet It is scheduled to shunt back source node condition.

Preferably, if the spectrum efficiency of discovery user terminal is lower than predetermined efficiency thresholding, destination node judgement meets pre- Source node condition is returned in fixed shunting.

Alternatively, destination node inquiry has whether the carrying of rate requirement can satisfy minimum target rate requirement.If it was found that When having the carrying of rate requirement not to be able to satisfy minimum target rate requirement, then destination node judgement meets scheduled shunting Hui Yuanjie Point condition.

Step 302, if meet it is scheduled shunt back source node condition, destination node is sent to source node to be shunted request and disappears Breath.

Preferably, shunting request message may include following content, but not limited to this:

The mark of shunting carrying,

QOS information

Shunt reason

The UE-AMBR value that small base station uses

If small base station needs the terminal to service in small base station all due to the too low caused shunting of frequency spectrum effect Carrying shunts back macro base station, and the UE-AMBR uplink and downlink that its medium and small base station uses is both configured to 0.If it is due to service speed It is unsatisfactory for shunting caused by demand, if shunting carrying is the carrying for having rate requirement, needs to update what small base station used UE-AMBR value, update method be the UE-AMBR that current small base station uses subtract institute it is in need shunt back macro base station have rate need Seek the sum of the minimum target rate of carrying.

Step 303, after source node receives shunting request message, judge whether that corresponding shunt is received to carry.

Step 304, when that can receive at least one carrying, source node sends shunting request confirmation to destination node and disappears Breath.

Wherein, source node receive destination node transmission shunting request message after, according to the load identification carried in message, It shunts reason, QOS and makes decisions receiving, if at least one carrying can be received by macro base station, source node is to target section Point feedback carrying shunts confirmation message, and otherwise feedback carrying shunts failed message.Carrying shunts that contain in confirmation message can be with The list of the load identification and the carrying that can not be accepted that are accepted and the reason of can not being accepted, protocol stack relevant configuration ginseng Several and source node and destination node mark respectively arranged for the terminal.If further including in the carrying list that can not be accepted NGBR business, source node also needs to recalculate the UE-AMBR for distributing to destination node, and carries and correct in confirmation message Result afterwards.The reason of carrying shunts in failed message, and carrying can not shunt and source node and destination node are for the terminal Respectively arranged mark.

Preferably, when source node includes NGBR business in the carrying that do not receive, the shunting carrying that can be accepted is carried out Classification receives carrying set to obtain the first receiving carrying set and second, wherein first receives the whole in carrying set to hold Load has rate requirement, and second receives the whole carrying in carrying set without rate requirement, and first receives in carrying set entirely Portion is carried on the sum of rate on up direction and down directionWithIt is all carried in second receiving carrying set The sum of rate on up direction and down direction isWithRedefine the uplink UE-AMBR ginseng for distributing to destination node NumberWith downlink UE-AMBR parameterWherein:

WhereinIt is core net to the uplink UE-AMBR parameter and downlink UE- of user terminal distribution AMBR parameter, x are rate floating parameter,For the currently used uplink UE-AMBR parameter of source node and Downlink UE-AMBR parameter.

Uplink UE-AMBR the parameter that source node will redefineWith downlink UE-AMBR parameterIt is added Into shunting request confirmation message.

Step 305, source node also sends configuration notification message to the user terminal, for that will shunt back source node again Carrying notify to the user terminal, to configure relevant protocol stack parameter for the carrying that shunts back source node again.

Step 306, the user terminal complete to shunt back again source node be carried on the reconfiguring of source node after, to Source node sends configuration response message.

Step 307, destination node includes according to shunting in request confirmation message after receiving shunting request confirmation message The carrying list that can be shunted, data forwarding is executed to the carrying that shunts of needs.

Step 308, destination node sends data forwarding completion notice to source node after data forwarding completion.

Preferably, after receiving shunting request confirmation message, further determining whether there are cannot be divided to destination node The carrying of source node, and judge shunt in request confirmation message whether carry the uplink UE-AMBR parameter redefinedWith downlink UE-AMBR parameter

Cannot be divided to the carrying of source node if it exists, and shunt carried in request confirmation message redefine it is upper Row UE-AMBR parameterWith downlink UE-AMBR parameterUplink UE-AMBR the parameter that will then redefineWith downlink UE-AMBR parameterJoin as currently used uplink UE-AMBR parameter and downlink UE-AMBR Number；Then it executes according to the carrying list that can be shunted for including in request confirmation message is shunted, the carrying shunted to needs is held The step of row data forwarding.

It cannot be divided to the carrying of source node if it does not exist, or shunt to carry in request confirmation message and redefine Uplink UE-AMBR parameterWith downlink UE-AMBR parameterIt then executes and is wrapped according in shunting request confirmation message The carrying list that can be shunted included, the step of data forwarding is executed to the carrying that shunts of needs.

Step 309, source node is receiving the data forwarding completion notice of destination node transmission, and is receiving the use After the configuration response message that family terminal is sent, is sent to destination node and shunt carrying forward completion notice.

Step 310, destination node is released to shunt back source node again after receiving shunting carrying forward completion notice Carrying retain related resource.

Step 311, destination node judges whether itself also remains with the carrying of the user terminal.

Step 312, if itself not retaining the carrying of the user terminal, destination node discharges relevant context.

In one embodiment, after above-mentioned source node receives shunting request message, judge whether to receive corresponding shunting The step of carrying includes:

Source node receives shunt request message after, carry, counted in local third carrying set entirely for p-th of shunting Portion carries the sum of the PRB value needed in the upstream directionAnd the sum of PRB value needed in the downstream directionWherein in third carrying set, the QCI value all carried is greater than p-th of QCI value for shunting carrying；1≤p ≤ B, B are to shunt the shunting carrying sum for including in notification message, shunt the shunting for including in notification message and carry according to QCI value Sequence arrangement from high to low, X are the carrying sum in third carrying set.

The sum of the PRB value needed in the upstream direction is all carried in the local 4th carrying set of source node statisticalAnd the sum of PRB value needed in the downstream directionWherein in the 4th carrying set, The QCI value all carried is equal to p-th of QCI value for shunting carrying, and Y is the carrying sum in the 4th carrying set.

Source node determines that p-th of shunting carries the PRB value needed in the upstream directionAnd in down direction The PRB value of upper needs

If meeting simultaneously:

Then source node judges that p-th of shunting carrying can be accepted.

The schematic diagram of Fig. 4 radio resource allocation system one embodiment between node of the present invention.As shown in figure 4, the system It may include source node 401 and destination node 402.Wherein:

Source node 401, for judging whether user terminal is in effective overlay area of destination node；If described in judgement User terminal is in effective overlay area of destination node, then further determines whether to meet scheduled shunting trigger condition； If judgement meets scheduled shunting trigger condition, is sent to destination node 402 and shunt notification message, wherein shunting notification message Mark including shunting carrying；After the carrying for receiving the transmission of destination node 402 shunts confirmation message, according to what can be received It shunts load identification and respective carrier is diverted to destination node 402.

Destination node 402 receives phase for judging whether after the shunting notification message for receiving the transmission of source node 401 The shunting carrying answered, and send carrying to source node 401 when at least one can be received to shunt carrying and shunt confirmation message, It includes the shunting load identification that can be received that middle carrying, which shunts confirmation message,.

Radio resource allocation system between the node provided based on the above embodiment of the present invention, can be effectively reduced unreasonable Resource allocation brought by service rate it is too low and reduce waste problem to the running time-frequency resource of small base station, improve network Handling capacity and user's perception.

Preferably, source node is macro base station, and destination node is small base station.

Source node 401 indicates the user terminal specifically when no carrying is located at destination node in one embodiment The frequency point of destination node is measured；According to the measurement result that the user terminal reports, if at least one frequency of destination node The difference of signal quality and/or signal strength on point and the signal quality on source node at least one frequency point and/or signal strength Greater than predetermined threshold, then judge that the user terminal is in effective overlay area of destination node.

Alternatively, source node 401 specifically when there is carrying to be diverted to destination node, judges that the user terminal is in target section In effective overlay area of point.

Preferably, source node 401 is specifically when judging that the user terminal is in effective overlay area of destination node, Classify to the NGBR carrying in the user terminal, wherein the NGBR carrying in the user terminal, which is divided into, has rate to need The business asked and the business needed without rate are each to have the business of rate requirement that a minimum target rate value and one is arranged Minimum receives rate, and a minimum receiving rate is only arranged in the business needed for no rate；Then it further determines whether to meet Scheduled shunting trigger condition.

Preferably, source node 401 specifically judges whether own load is more than scheduled load-threshold；If judging own load More than scheduled load-threshold, and the user terminal includes at least a GBR traffic, then judgement meets scheduled shunting triggering Condition.

Alternatively, source node 401 specifically judge the user terminal whether include rate requirement NGBR business；If judgement The user terminal includes the NGBR business that at least one has rate requirement, then judgement meets scheduled shunting trigger condition.

In one embodiment, destination node 402 is held specifically after receiving shunting notification message for k-th of shunting It carries, all carries the sum of the PRB value needed in the upstream direction in the local first carrying set of statisticsAnd under The sum of PRB value needed on line directionWherein in the first carrying set, the QCI value all carried is greater than kth A QCI value for shunting carrying；1≤k≤A, A are to shunt the shunting carrying sum for including in notification message, are shunted in notification message Including shunting carrying arranged according to QCI value sequence from high to low, M is the carrying sum in the first carrying set；Statistics is originally The sum of the PRB value needed in the upstream direction is all carried in the carrying of ground second setAnd in down direction The sum of PRB value of upper needsWherein in the second carrying set, the QCI value all carried is equal to k-th of shunting The QCI value of carrying, K are the carrying sum in the second carrying set；Determine what k-th of shunting carrying needed in the upstream direction PRB valueAnd the PRB value needed in the downstream directionIf meeting simultaneously:

Then judge that k-th of shunting carrying can be accepted.

Preferably, if shunting in carrying includes NGBR business, shunting notification message further includes that source node is distributed to The UE-AMBR parameter of destination node, wherein distributing to the uplink UE-AMBR parameter of destination nodeForDistribute to the downlink UE-AMBR parameter of destination nodeForWhereinThe uplink for giving the user terminal to distribute for core net UE-AMBR parameter and downlink UE-AMBR parameter, x are rate floating parameter,WithIt does not need respectively to shunt Without the sum of the current service rate on rate requirement business uplink and downlink direction, N be do not need shunt without rate requirement Number of services.

Preferably, the shunting carrying that destination node 402 is also used to be accepted is classified, and is not connect with obtaining first Carrying of receiving is gathered and second does not receive carrying to gather, wherein first does not receive whole carryings in carrying set to have rate to want Ask, second do not receive carrying gather in whole carryings without rate requirement, first do not receive carrying gather in be all carried on The sum of rate on up direction and down direction isWithSecond do not receive carrying gather in be all carried on uplink side It is to the sum of the rate on down directionWithIt modifies to the UE-AMBR parameter of source node distribution, wherein willIt, will as modified uplink UE-AMBR parameterAs Modified downlink UE-AMBR parameter；Modified uplink UE-AMBR parameter and downlink UE-AMBR parameter are added to transmission It is shunted in confirmation message to the carrying of source node.

Preferably, source node 401 is also used to after receiving carrying and shunting confirmation message, and further inquiry carrying shunts true Recognize in message and whether carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d；If carrying shunts true Recognize in message and carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d, then by the user terminal Uplink UE-AMBR the parameter and downlink UE-AMBR parameter that NGBR business in source node uses are updated to respectively With

Preferably, destination node 402 is also used to be monitored the active service rate that the user terminal carries, and judges Whether meet and scheduled shunts back source node condition；If meet it is scheduled shunt back source node condition, to source node 401 send Request message is shunted, wherein shunting request message includes the mark for shunting carrying；It is asked in the shunting for receiving the transmission of source node 401 After seeking confirmation message, according to the carrying list that can be shunted for including in shunting request confirmation message, the carrying that needs are shunted Data forwarding is executed, and sends data forwarding completion notice to source node after data forwarding completion；Receiving source node 401 After the shunting carrying forward completion notice of transmission, it is released to shunt back the related resource that the carrying of source node retains again.

Source node 401 is also used to after the shunting request message for receiving the transmission of destination node 402, judges whether to receive phase The shunting carrying answered；If at least one carrying can be received, is sent to destination node 402 and shunt request confirmation message；Also to The user terminal sends configuration notification message, for notifying the carrying for shunting back source node again to the user terminal, So as to the relevant protocol stack parameter of carrying configuration to shunt back source node again；Before the data for receiving destination node transmission After turning completion notice, and after receiving the configuration response message that the user terminal is sent, sends and shunt to destination node 402 Carry forward completion notice；What wherein the user terminal completed to shunt back source node again is carried on reconfiguring for source node Afterwards, configuration response message is sent to source node 401.

Preferably, destination node 402 is also used to be released to shunt back the related resource of the carrying reservation of source node again Afterwards, judge whether itself also remains with the carrying of the user terminal；If itself does not retain the carrying of the user terminal, Discharge relevant context.

Preferably, destination node 402 specifically judges whether the spectrum efficiency of the user terminal is lower than predetermined efficiency thresholding； If the spectrum efficiency of the user terminal is lower than predetermined efficiency thresholding, judgement, which meets, scheduled shunts back source node condition.

Alternatively, specifically inquiry has whether the carrying of rate requirement can satisfy minimum target rate requirement to destination node 402； If judgement, which meets, scheduled shunts back source node it was found that when having the carrying of rate requirement not to be able to satisfy minimum target rate requirement Condition.

Preferably, source node 401 specifically receives shunt request message after, carried for p-th of shunting, statistics locally the The sum of the PRB value needed in the upstream direction is all carried in three carrying setAnd it needs in the downstream direction The sum of PRB value wantedWherein in third carrying set, the QCI value all carried is carried greater than p-th of shunting QCI value；1≤p≤B, B are to shunt the shunting carrying sum for including in notification message, shunt the shunting for including in notification message Carrying is arranged according to the sequence of QCI value from high to low, and X is the carrying sum in third carrying set；Statistics the local 4th carries The sum of the PRB value needed in the upstream direction is all carried in setAnd need in the downstream direction The sum of PRB valueWherein in the 4th carrying set, the QCI value all carried is equal to p-th and shunts carrying QCI value, Y are the carrying sum in the 4th carrying set；Determine that p-th of shunting carries the PRB value needed in the upstream directionAnd the PRB value needed in the downstream directionIf meeting simultaneously:

Then judge that p-th of shunting carrying can be accepted.

Preferably, when source node 401 is also used in the carrying that do not receive including NGBR business, the shunting to that can be accepted Carrying is classified, and carrying set is received to obtain the first receiving carrying set and second, wherein first receives in carrying set Whole carryings have rate requirement, second receives whole carryings in carrying set to receive carrying without rate requirement, first The sum of the rate being all carried on up direction and down direction in set isWithSecond receives in carrying set entirely Portion is carried on the sum of rate on up direction and down directionWithRedefine the uplink for distributing to destination node UE-AMBR parameterWith downlink UE-AMBR parameterWherein:

WhereinIt is core net to the uplink UE-AMBR parameter and downlink UE- of user terminal distribution AMBR parameter, x are rate floating parameter,For the currently used uplink UE-AMBR parameter of source node and Downlink UE-AMBR parameter；Uplink UE-AMBR the parameter that will be redefinedWith downlink UE-AMBR parameterIt is added Into shunting request confirmation message.

Preferably, destination node 402 is also used to after receiving and shunting request confirmation message, and judging whether there is cannot be by It is diverted to the carrying of source node, and judges shunt in request confirmation message whether carry the uplink UE-AMBR redefined ParameterWith downlink UE-AMBR parameterIt cannot be divided to the carrying of source node if it exists, and shunt request Uplink UE-AMBR the parameter redefined is carried in confirmation messageWith downlink UE-AMBR parameterThen will Uplink UE-AMBR the parameter redefinedWith downlink UE-AMBR parameterAs currently used uplink UE- AMBR parameter and downlink UE-AMBR parameter；Then it executes according to the carrying that can be shunted for including in shunting request confirmation message List executes the operation of data forwarding to the carrying that needs shunt.It cannot be divided to the carrying of source node if it does not exist, or divide Uplink UE-AMBR the parameter redefined is carried in stream request confirmation messageWith downlink UE-AMBR parameterThen execute the carrying shunted to needs according to the carrying list that can be shunted for including in shunting request confirmation message Execute the operation of data forwarding.

The present invention will be described below by way of specific embodiments.

Embodiment 1:

The present embodiment essentially describes after terminal is moved to small base station coverage area, and ftp business is diverted to small base station Process, network topology structure are as shown in Figure 5.Wherein there are two business for terminal, and one is E-RAB1, the type of service of this carrying It is HTTP, another is E-RAB2, and the type of service of the carrying is FTP.Wherein E-RAB2, which is one, holding for high-speed requirement It carries, network management side is downlink 8Mbps and uplink 1Mbps for minimum target rate of its setting, and E-RAB2 is in macro base station current Service speed is downlink 1Mbps and uplink 300Kps.Frequency point used in macro base station is F1, and frequency point used in small base station is F2。

Step 1: terminal has reported the frequency point F2 measurement result for small base station according to the different-frequency measure that macro base station configures, macro The RSRP that base station discovery reports is higher than pre-determined threshold TH1, it is believed that terminal has been within the effective coverage range of small base station.

Step 2: macro base station is found in terminal there are the carrying E-RAB2 that one has high-speed demand, and current macro base station Load be lower than pre-determined threshold TH2, it is therefore desirable to consider E-RAB2 carrying be diverted in small base station range.

Step 3: macro base station presets thresholding since network overall load is not above, then only E-RAB2 is diverted to small In base station.The UE-AMBR of current terminal setting is uplink 30Mbps and downlink 70Mbps.E-RAB1 current service speed is Downlink 200Kbps and uplink 50Kbps, it is contemplated that rate floating 20% is downlink in the UE-MABR that macro base station side retains 240Kbps and uplink 60Kbps, and the UE-AMBR for distributing to small base station is downlink 69.76Mbps and uplink 29.94Mbps.

Step 4: macro base station sends SeNB Addition Request message to small base station, and carrying E- is carried in message The QOS relevant information of RAB2, load identification, the UE-AMBR information for minimum target rate value, shunting reason, distributing to small base station And the small base station RSRP and RSRQ measured.Wherein shunting reason is to obtain higher rate, and the smallest targeted rate value is set It is set to downlink 8Mbps and uplink 1Mbps.

Step 5: after small base station receives SeNB Addition Request, it is found that only one carrying needs to shunt Come, and shunt the reason is that in order to obtain higher rate, it is therefore desirable to which the judgement received counts in small base station and worked as Radio resource summation required for preceding all carryings higher than current QCI grade isWithWith current E- Radio resource summation required for the identical carrying of the QCI of RAB2 isWithAnd the minimum of E-RAB2 Targeted rate is that downlink 8Mbps and uplink 1Mps is pushed away according to the RSRP and RSRQ carried in SeNB Addition Request Leading to obtain the terminal obtainable approximation spectrum efficiency in small base station isWithSmall base station discovery statistical result meets such as Lower relationship:

Then think that the carrying can be received.And it is set as according to UE-AMBR is carried in SeNB Addition Request UE-AMBR of the terminal on small base station.

Step 6: small base station feedback SeNB Addition Response message, carrying in message can shunt successfully Load identification is E-RAB2.

Step 7: after macro base station receives SeNB Addition Response, discovery E-RAB2 is connect by small base station By then starting the operation of subsequent data forwarding, and it is downlink that the UE-AMBR that the terminal remains into macro base station, which is arranged, 240Kbps and uplink 60Kbps.

Embodiment 2:

The present embodiment essentially describes after terminal leaves small base station coverage area, ftp business is diverted to the mistake of macro base station Journey, network topology structure are as shown in Figure 5.Wherein there are two business for terminal, and one is E-RAB1, and the type of service of this carrying is The HTTP business is serviced by macro base station, another is E-RAB2, and the type of service of the carrying is FTP, and the carrying is by small Base station is serviced.Frequency point used in macro base station is F1, and frequency point used in small base station is F2.

Step 1: small base station is monitored by the spectrum efficiency to terminal, finds the current spectrum efficiency of the terminal lower than thresholding TH3, then it is assumed that the terminal will leave the service area of small base station.

Step 2: small base station sends message E-RAB Modification Request to macro base station, wherein carrying needs The load identification of shunting is E-RAB2, and shunting reason is ' Handover Desirable for defined in TS36.423 agreement The configuration information of Radio Reasons ' and related wireless side.

Step 3: after macro base station receives message, the reason of shunting is because small base station is detached from caused by coverage area point Stream, it is therefore desirable to the Preferred Acceptance carrying.Macro base station sends E-RAB Modification Response message to small base station, E-RAB2 is indicated in message can be received by macro base station.

Step 4: macro base station establishes a new carrying in macro base station side to terminal instruction using RRC information and configures correlation Parameter.

Step 5: terminal is established to macro base station feedback configuration using RRC information after configuration is completed and completes message, and stops Only small base station up direction data transmission and down direction data receiver.

Step 6: small base station executes E-RAB2 carrying after receiving E-RAB Modification Response message Data forwarding.

Step 7: macro base station sends X2 message and indicates that small base station discharges the end after receiving the data forwarding of small base station Hold relevant reserved resource.

Embodiment 3:

The present embodiment essentially describes terminal in small base station since service rate is unable to get guarantee, ftp business point The process of macro base station is flowed to, network topology structure is as shown in Figure 5.Wherein there are two business for terminal, and one is E-RAB1, this holds The type of service of load is HTTP, another is E-RAB2, and the type of service of the carrying is FTP, and the smallest targeted rate is Downlink 8Mbps and uplink 1Mbps, the two carryings are serviced by small base station.Service speed of the small base station due to E-RAB2 Rate cannot be guaranteed, and the carrying is needed to shunt back macro base station again.Network management is that the UE-AMBR of terminal setting is downlink 70Mbps and uplink 30Mbps.Frequency point used in macro base station is F1, and frequency point used in small base station is F2.

Step 1: small base station finds E-RAB2 in the terminal by spectrum efficiency and the monitoring of business service rate to terminal Lower minimum target the rate downlink 8Mbps and uplink 1Mbps for being unable to reach setting of service speed 50% rate.It is then small Base station triggers E-RAB2 shunts back macro base station.

Step 2: small base station sends E-RAB Modification Request message to macro base station, and request macro base station receives E-RAB2.The UE- that the mark for shunting carrying, QOS parameter, shunting reason and modified small base station use is carried in message AMBR and related radio configuration information.E-RAB1 current service speed is downlink 200Kbps and uplink 50Kbps, it is contemplated that Rate floating 20%, therefore small base station is downlink 240Kbps and uplink 60Kbps for its UE-AMBR retained.The two parameters Included in E-RAB Modification Request message and shunts reason and be set as " not can guarantee service rate ".

Step 3: after macro base station receives E-RAB Modification Request message, it is found that the terminal has a business It is shunted back in macro base station again because not can guarantee service rate.Therefore acceptance judging is carried out for the business, it is found that this holds Load can be accepted.The update of UE-AMBR is then carried out using the UE-AMBR carried in E-RAB Modification Request Operation, the UE-AMBR that macro base station side can be used are downlink 69.76Mbps and uplink 29.94Mbps.And feed back to small base station E-RAB Modification Response message.

Step 4: macro base station is using RRC Connection Reconfiguration message instruction terminal in macro base station side It establishes the relevant carrying of E-RAB2 and configures relevant parameter.

Step 5: terminal utilizes RRC Connection Reconfiguration Complete after configuration is completed Message is established to macro base station feedback configuration and completes message, and stops at data transmission and the downlink side of the up direction of small base station To data receiver.

Step 6: after small base station receives E-RAB Modification Response message, updating it for the terminal The configuration of UE-AMBR, and execute the data forwarding of E-RAB2 carrying.

By the present invention in real time, it is available following the utility model has the advantages that

[1] is asked for reasonable distribution UE-AMBR between the framework interior joint of the dual link discussed in 3GPP standard Topic, the invention proposes a kind of methods for calculating UE-AMBR based on carrying targeted rate, so as to avoid unreasonable UE- The problem of decline of system performance caused by AMBR is distributed.

[2] is for the bearer rate Upgrade Problem in dual link scene, and small base station is according to the QOS of carrying in the present invention Terminal measurements that information and macro base station provide estimate the achievable rate for being carried on small base station, after shunting Rate value be unable to reach expected result.

[3] proposes a kind of signaling process of carrying switching by small base station triggers, on the one hand ensure that and takes in small base station The rate of business business, and reduce compared with previous scheme handover scheme space interface signaling report and measurement process, thus Reduce the expense of system.

Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..

Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage The solution present invention is to design various embodiments suitable for specific applications with various modifications.

Claims (30)

1. wireless resource allocation methods between a kind of node characterized by comprising

Source node judges whether user terminal is in effective overlay area of destination node；

If judging, the user terminal is in effective overlay area of destination node, and source node is in the user terminal NGBR carrying is classified, wherein the NGBR carrying in the user terminal is divided into the business for having rate requirement and is needed without rate The business wanted is each to have the business of rate requirement that a minimum target rate value and a minimum receiving rate is arranged, is nothing A minimum receiving rate is only arranged in the business that rate needs, and further determines whether to meet scheduled shunting trigger condition, If the user terminal include at least one have rate requirement NGBR business or source node own load be more than scheduled load Thresholding and the user terminal include at least a GBR traffic, then source node judgement meets scheduled shunting trigger condition；

If judgement meets scheduled shunting trigger condition, source node sends to destination node and shunts notification message, wherein shunting Notification message includes the mark for shunting carrying；

After destination node receives shunting notification message, judge whether that corresponding shunt is received to carry, and can receive at least Carrying is sent to source node when one shunting carrying and shunts confirmation message, wherein it includes that can receive that carrying, which shunts confirmation message, Shunt load identification；

Source node shunts respective carrier according to the shunting load identification that can be received after receiving carrying and shunting confirmation message To destination node.

2. the method according to claim 1, wherein

The step that source node judges whether the user terminal is in effective overlay area of destination node includes:

Source node indicates that the user terminal measures the frequency point of destination node when no carrying is located at destination node；

The measurement result that source node is reported according to the user terminal, if the signal quality at least one frequency point of destination node And/or the difference of the signal quality and/or signal strength on signal strength and source node at least one frequency point is greater than predetermined threshold, then Judge that the user terminal is in effective overlay area of destination node.

3. the method according to claim 1, wherein

The step that source node judges whether the user terminal is in effective overlay area of destination node includes:

Source node judges that the user terminal is in effective overlay area of destination node when there is carrying to be diverted to destination node In.

4. the method according to claim 1, wherein

After destination node receives shunting notification message, judge whether that the step of receiving corresponding shunting carrying includes:

Destination node receives shunt notification message after, carried for k-th of shunting, it is whole in the local first carrying set of statistics Carry the sum of the PRB value needed in the upstream directionAnd the sum of PRB value needed in the downstream directionWherein in the first carrying set, the QCI value all carried is greater than k-th of QCI value for shunting carrying；1≤k≤ A, A be shunt notification message in include shunting carrying sum, shunt notification message in include shunting carrying according to QCI value by High to Low sequence arrangement, M are the carrying sum in the first carrying set；

The sum of the PRB value needed in the upstream direction is all carried in the local second carrying set of destination node statisticsAnd the sum of PRB value needed in the downstream directionWherein in the second carrying set, all The QCI value of carrying is equal to k-th of QCI value for shunting carrying, and K is the carrying sum in the second carrying set；

Destination node determines that k-th of shunting carries the PRB value needed in the upstream directionAnd in the downstream direction The PRB value needed

If meeting simultaneously:

Then destination node judges that k-th of shunting carrying can be accepted, wherein TH_uFor up direction threshold value, TH_dFor downlink side To threshold value.

5. according to the method described in claim 4, it is characterized by further comprising:

If shunting in carrying includes NGBR business, shunting notification message further includes the UE- that source node distributes to destination node AMBR parameter, wherein distributing to the uplink UE-AMBR parameter of destination nodeForDistribute to the downlink UE-AMBR parameter of destination nodeForWhereinThe uplink UE-for giving the user terminal to distribute for core net AMBR parameter and downlink UE-AMBR parameter, x are rate floating parameter,WithThe nothing shunted is not needed respectively The sum of current service rate on rate requirement business uplink and downlink direction, N be do not need shunt without rate requirement business Quantity.

6. according to the method described in claim 5, it is characterized by further comprising:

Destination node classifies the shunting that cannot be accepted carrying, does not receive carrying set and second not connect to obtain first It receives and carries set, wherein first does not receive whole carry in carrying set to have rate requirement, second does not receive carrying to gather In whole carryings without rate requirement, first do not receive carrying gather in be all carried on up direction and down direction The sum of rate isWithSecond do not receive carrying gather in be all carried on rate on up direction and down direction it With forWith

It modifies to the UE-AMBR parameter of source node distribution, wherein willAs modified Uplink UE-AMBR parameter, willAs modified downlink UE-AMBR parameter；

Modified uplink UE-AMBR parameter and downlink UE-AMBR parameter are added to and are sent to holding for source node by destination node It carries and shunts in confirmation message.

7. according to the method described in claim 6, it is characterized by further comprising:

Source node is after receiving carrying and shunting confirmation message, and further whether inquiry carrying shunts to carry in confirmation message and repair Uplink UE-AMBR parameter Vm after changing^uWith downlink UE-AMBR parameter Vm^d；

If carrying shunts in confirmation message and carries modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d, Uplink UE-AMBR the parameter and downlink UE-AMBR parameter that then the NGBR business by the user terminal in source node uses point It is not updated toWith

8. the method according to claim 1, wherein further include:

Destination node is monitored the active service rate that the user terminal carries, and judges whether to meet scheduled shunt back Source node condition；

If meet it is scheduled shunt back source node condition, destination node sends to source node and shunts request message, wherein shunting Request message includes the mark for shunting carrying；

After source node receives shunting request message, judge whether that corresponding shunt is received to carry；

When that can receive at least one carrying, source node sends to destination node and shunts request confirmation message；Source node also to The user terminal sends configuration notification message, for notifying the carrying for shunting back source node again to the user terminal, So as to the relevant protocol stack parameter of carrying configuration to shunt back source node again；

Destination node can shunt after receiving shunting request confirmation message according to include in shunting request confirmation message List is carried, data forwarding is executed to the carrying that needs shunt, and send data forwarding to source node after data forwarding completion Completion notice；

Source node is sent after the data forwarding completion notice for receiving destination node transmission, and receiving the user terminal Configuration response message after, to destination node send shunt carrying forward completion notice；Wherein the user terminal is completed again Shunt back source node be carried on the reconfiguring of source node after, send configuration response message to source node；

Destination node is released to shunt back the carrying reservation of source node again after receiving shunting carrying forward completion notice Related resource.

9. according to the method described in claim 8, it is characterized in that,

Destination node is after being released to the step of shunting back the related resource of the carrying reservation of source node again, further includes:

Destination node judges whether itself also remains with the carrying of the user terminal；

If itself not retaining the carrying of the user terminal, destination node discharges relevant context.

10. according to the method described in claim 8, it is characterized in that,

Destination node is monitored the active service rate that the user terminal carries, and judges whether to meet scheduled shunt back The step of source node condition includes:

Destination node judges whether the spectrum efficiency of the user terminal is lower than predetermined efficiency thresholding；

If the spectrum efficiency of the user terminal is lower than predetermined efficiency thresholding, destination node judgement meets scheduled shunting Hui Yuan Node condition.

11. according to the method described in claim 8, it is characterized in that,

Destination node is monitored the active service rate that the user terminal carries, and judges whether to meet scheduled shunt back The step of source node condition includes:

Destination node inquiry has whether the carrying of rate requirement can satisfy minimum target rate requirement；

If it was found that destination node judgement meets scheduled when having the carrying of rate requirement not to be able to satisfy minimum target rate requirement Shunt back source node condition.

12. according to the method described in claim 8, it is characterized in that,

After source node receives shunting request message, judge whether that the step of receiving corresponding shunting carrying includes:

Source node receives shunt request message after, carried for p-th of shunting, count local third carrying gather in all holds Carry the sum of the PRB value needed in the upstream directionAnd the sum of PRB value needed in the downstream directionWherein in third carrying set, the QCI value all carried is greater than p-th of QCI value for shunting carrying；1≤p≤ B, B be shunt notification message in include shunting carrying sum, shunt notification message in include shunting carrying according to QCI value by High to Low sequence arrangement, X are the carrying sum in third carrying set；

The sum of the PRB value needed in the upstream direction is all carried in the local 4th carrying set of source node statisticalAnd the sum of PRB value needed in the downstream directionWherein in the 4th carrying set, The QCI value all carried is equal to p-th of QCI value for shunting carrying, and Y is the carrying sum in the 4th carrying set；

Source node determines that p-th of shunting carries the PRB value needed in the upstream directionAnd it needs in the downstream direction The PRB value wanted

If meeting simultaneously:

Then source node judges that p-th of shunting carrying can be accepted, wherein TH_uFor up direction threshold value, TH_dFor down direction Threshold value.

13. according to the method for claim 12, which is characterized in that further include:

When source node includes NGBR business in the carrying that do not receive, classify to the shunting carrying that can be accepted, to obtain First receives carrying set and second to receive carrying set, wherein first receives whole carryings in carrying set to have rate to want It asks, the second receiving carries whole carryings in set without rate requirement, and the first receiving, which carries in set, is all carried on uplink The sum of rate on direction and down direction isWithUp direction is all carried on under in second receiving carrying set The sum of rate on line direction isWith

Redefine the uplink UE-AMBR parameter for distributing to destination nodeWith downlink UE-AMBR parameterIts In:

WhereinUplink UE-AMBR the parameter and downlink UE-AMBR ginseng distributed for core net to the user terminal Number, x are rate floating parameter,For source node currently used uplink UE-AMBR parameter and downlink UE-AMBR parameter；

Uplink UE-AMBR the parameter that source node will redefineWith downlink UE-AMBR parameterIt is added to shunting In request confirmation message.

14. according to the method for claim 13, which is characterized in that

Destination node is after receiving shunting request confirmation message, further includes:

Destination node judges whether there is the carrying that cannot be divided to source node, and judge shunt request confirmation message in be It is no to carry the uplink UE-AMBR parameter redefinedWith downlink UE-AMBR parameter

It cannot be divided to the carrying of source node if it exists, and shunt in request confirmation message and carry the uplink redefined UE-AMBR parameterWith downlink UE-AMBR parameterUplink UE-AMBR the parameter that will then redefine With downlink UE-AMBR parameterAs currently used uplink UE-AMBR parameter and downlink UE-AMBR parameter；Then it holds Row executes data forwarding according to the carrying list that can be shunted for including in request confirmation message is shunted, to the carrying that needs shunt The step of；

It cannot be divided to the carrying of source node if it does not exist, or shunt in request confirmation message and carry the uplink redefined UE-AMBR parameterWith downlink UE-AMBR parameterIt then executes and includes according in shunting request confirmation message The carrying list that can be shunted, the step of data forwarding is executed to the carrying that shunts of needs.

15. method described in any one of -14 according to claim 1, which is characterized in that

Source node is macro base station；

Destination node is small base station.

16. radio resource allocation system between a kind of node, which is characterized in that including source node and destination node, in which:

Source node, for judging whether user terminal is in effective overlay area of destination node；If judging, the user is whole Then classify to the NGBR carrying in the user terminal, in effective overlay area of destination node wherein by institute at end The business that the NGBR carrying in user terminal is divided into the business for having rate requirement and needs without rate is stated, each to there is rate requirement Business be arranged that a minimum target rate value and one are minimum to receive rate, the business for no rate needs is only arranged one most Small receiving rate, and further determine whether to meet scheduled shunting trigger condition, if the user terminal includes at least one There is the NGBR business of rate requirement or source node own load is more than scheduled load-threshold and the user terminal at least wraps A GBR traffic is included, then judgement meets scheduled shunting trigger condition；If judgement meets scheduled shunting trigger condition, to Destination node, which is sent, shunts notification message, wherein shunting notification message includes the mark for shunting carrying；Receiving destination node After the carrying of transmission shunts confirmation message, respective carrier is diverted to by destination node according to the shunting load identification that can be received；

Destination node receives corresponding shunt to hold for judging whether after the shunting notification message for receiving source node transmission It carries, and shunts confirmation message to source node transmission carrying when at least one can be received to shunt carrying, wherein carrying shunts really Recognizing message includes the shunting load identification that can be received.

17. system according to claim 16, which is characterized in that

Source node specifically when no carrying is located at destination node, indicates that the user terminal surveys the frequency point of destination node Amount；According to the measurement result that the user terminal reports, if signal quality and/or signal at least one frequency point of destination node The difference of signal quality and/or signal strength in intensity and source node at least one frequency point is greater than predetermined threshold, then described in judgement User terminal is in effective overlay area of destination node.

18. system according to claim 16, which is characterized in that

Source node specifically when there is carrying to be diverted to destination node, judges that the user terminal is in effective covering of destination node In region.

19. system according to claim 16, which is characterized in that

Destination node specifically after receiving shunting notification message, is carried for k-th of shunting, and local first carrying of statistics is gathered It is middle all to carry the sum of the PRB value needed in the upstream directionAnd the sum of PRB value needed in the downstream directionWherein in the first carrying set, the QCI value all carried is greater than k-th of QCI value for shunting carrying；1≤k≤ A, A be shunt notification message in include shunting carrying sum, shunt notification message in include shunting carrying according to QCI value by High to Low sequence arrangement, M are the carrying sum in the first carrying set；It is all carried in the local second carrying set of statistics The sum of PRB value needed on up directionAnd the sum of PRB value needed in the downstream direction Wherein in the second carrying set, the QCI value all carried is equal to k-th of QCI value for shunting carrying, and K is the second carrying set In carrying sum；Determine that k-th of shunting carries the PRB value needed in the upstream directionAnd in the downstream direction The PRB value neededIf meeting simultaneously:

Then judge that k-th of shunting carrying can be accepted, wherein TH_uFor up direction threshold value, TH_dFor down direction threshold value.

20. system according to claim 19, which is characterized in that

If shunting in carrying includes NGBR business, shunting notification message further includes the UE- that source node distributes to destination node AMBR parameter, wherein distributing to the uplink UE-AMBR parameter of destination nodeForDistribute to the downlink UE-AMBR parameter of destination nodeForWhereinThe uplink UE-for giving the user terminal to distribute for core net AMBR parameter and downlink UE-AMBR parameter, x are rate floating parameter,WithThe nothing shunted is not needed respectively The sum of current service rate on rate requirement business uplink and downlink direction, N be do not need shunt without rate requirement business Quantity.

21. system according to claim 20, which is characterized in that

Shunting that destination node is also used to be accepted carrying is classified, and does not receive carrying set and the to obtain first Two do not receive carrying to gather, wherein first do not receive carrying gather in whole carryings have a rate requirement, second does not receive and holds Whole carryings in set are carried without rate requirement, first do not receive carrying gather in be all carried on up direction and downlink side The sum of upward rate isWithSecond does not receive the speed being all carried on up direction and down direction in carrying set The sum of rate isWithIt modifies to the UE-AMBR parameter of source node distribution, wherein will It, will as modified uplink UE-AMBR parameterJoin as modified downlink UE-AMBR Number；Modified uplink UE-AMBR parameter and downlink UE-AMBR parameter are added to the carrying shunting confirmation for being sent to source node In message.

22. system according to claim 21, which is characterized in that

Source node is also used to after receiving carrying and shunting confirmation message, and whether further inquiry carrying shunts takes in confirmation message With modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d；It is carried in confirmation message if carrying shunts Modified uplink UE-AMBR parameter Vm^uWith downlink UE-AMBR parameter Vm^d, then by the user terminal in source node Uplink UE-AMBR the parameter and downlink UE-AMBR parameter that NGBR business uses are updated to respectivelyWith

23. system according to claim 16, which is characterized in that

Destination node is also used to be monitored the active service rate that the user terminal carries, and judges whether to meet scheduled Shunt back source node condition；If meet it is scheduled shunt back source node condition, to source node send shunt request message, wherein Shunting request message includes the mark for shunting carrying；Receive source node transmission shunting request confirmation message after, according to point The carrying list that can be shunted for including in stream request confirmation message executes data forwarding to the carrying that needs shunt, and in number Data forwarding completion notice is sent to source node after completing according to forward；It is completed in the shunting carrying forward for receiving source node transmission After notice, it is released to shunt back the related resource that the carrying of source node retains again；

Source node is also used to after the shunting request message for receiving destination node transmission, judges whether that corresponding shunt is received to hold It carries；If at least one carrying can be received, is sent to destination node and shunt request confirmation message；Also sent out to the user terminal Notification message is set in delivery, for notifying the carrying for shunting back source node again to the user terminal, so as to shunt again The carrying for returning source node configures relevant protocol stack parameter；After the data forwarding completion notice for receiving destination node transmission, And after receiving the configuration response message that the user terminal is sent, it is logical that shunting carrying forward completion is sent to destination node Know；Wherein the user terminal complete to shunt back again source node be carried on the reconfiguring of source node after, to source node hair Response message is set in delivery.

24. system according to claim 23, which is characterized in that

Destination node is also used to after the related resource for being released to shunt back the carrying reservation of source node again, whether judges itself Also remain with the carrying of the user terminal；If itself does not retain the carrying of the user terminal, discharge above and below relevant Text.

25. system according to claim 23, which is characterized in that

Destination node specifically judges whether the spectrum efficiency of the user terminal is lower than predetermined efficiency thresholding；If the user terminal Spectrum efficiency be lower than predetermined efficiency thresholding, then judgement, which meets, scheduled shunts back source node condition.

26. system according to claim 23, which is characterized in that

Destination node, which is specifically inquired, whether the carrying of rate requirement can satisfy minimum target rate requirement；If it was found that there is rate When the carrying of demand is not able to satisfy minimum target rate requirement, then judgement, which meets, scheduled shunts back source node condition.

27. system according to claim 23, which is characterized in that

Source node specifically receives shunt request message after, carry, counted in local third carrying set entirely for p-th of shunting Portion carries the sum of the PRB value needed in the upstream directionAnd the sum of PRB value needed in the downstream directionWherein in third carrying set, the QCI value all carried is greater than p-th of QCI value for shunting carrying；1≤p≤ B, B be shunt notification message in include shunting carrying sum, shunt notification message in include shunting carrying according to QCI value by High to Low sequence arrangement, X are the carrying sum in third carrying set；It is all carried in the local 4th carrying set of statistics The sum of PRB value needed on up directionAnd the sum of PRB value needed in the downstream directionWherein in the 4th carrying set, the QCI value all carried is equal to p-th of QCI value for shunting carrying, and Y is Carrying sum in 4th carrying set；Determine that p-th of shunting carries the PRB value needed in the upstream directionWith And the PRB value needed in the downstream directionIf meeting simultaneously:

Then judge that p-th of shunting carrying can be accepted, wherein TH_uFor up direction threshold value, TH_dFor down direction threshold value.

28. system according to claim 27, which is characterized in that

When source node is also used in the carrying that do not receive including NGBR business, classify to the shunting carrying that can be accepted, Carrying set is received to obtain the first receiving carrying set and second, wherein first receives whole carryings in carrying set to have Rate requirement, the second receiving carry whole carryings in set without rate requirement, and the first receiving carries all to be carried in set The sum of rate on up direction and down direction isWithUplink side is all carried in second receiving carrying set It is to the sum of the rate on down directionWithRedefine the uplink UE-AMBR parameter for distributing to destination nodeWith downlink UE-AMBR parameterWherein:

WhereinUplink UE-AMBR the parameter and downlink UE-AMBR ginseng distributed for core net to the user terminal Number, x are rate floating parameter,For source node currently used uplink UE-AMBR parameter and downlink UE-AMBR parameter；Uplink UE-AMBR the parameter that will be redefinedWith downlink UE-AMBR parameterIt is added to point It flows in request confirmation message.

29. system according to claim 28, which is characterized in that

Destination node is also used to after receiving shunting request confirmation message, and source node cannot be divided to by judging whether there is Carrying, and judge shunt in request confirmation message whether carry the uplink UE-AMBR parameter redefinedWith under Row UE-AMBR parameterIt cannot be divided to the carrying of source node if it exists, and shunt and carried in request confirmation message There is the uplink UE-AMBR parameter redefinedWith downlink UE-AMBR parameterThe uplink that will then redefine UE-AMBR parameterWith downlink UE-AMBR parameterAs currently used uplink UE-AMBR parameter and downlink UE-AMBR parameter；Then it executes according to the carrying list that can be shunted for including in request confirmation message is shunted, to needing to shunt Carrying execute data forwarding operation；It cannot be divided to the carrying of source node if it does not exist, or shunt request confirmation message In carry the uplink UE-AMBR parameter redefinedWith downlink UE-AMBR parameterThen execute basis point The carrying list that can be shunted for including in stream request confirmation message executes the operation of data forwarding to the carrying that needs shunt.

30. system described in any one of 6-29 according to claim 1, which is characterized in that

Source node is macro base station；

Destination node is small base station.