CN104581677A - Method for ensuring user equipment-aggregate maximum bit rate - Google Patents
Method for ensuring user equipment-aggregate maximum bit rate Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0226—Traffic management, e.g. flow control or congestion control based on location or mobility
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
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- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
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- H04W36/00—Hand-off or reselection arrangements
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- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
- H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]
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- H—ELECTRICITY
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Abstract
The invention provides a method for ensuring a user equipment-aggregate maximum bit rate. According to one embodiment of the invention, a method for ensuring the uplink user equipment-aggregate maximum bit rate and the downlink user equipment-aggregate maximum bit rate of a non-GBR (Guarantee Bit Rate) data radio bearer established by user equipment in a macro base station in a dual-connection communication environment is provided. The user equipment forms dual connection with the macro base station and a small base station; the macro base station is used for managing a macro cell; and the small base station is used for managing a small cell. The method comprises the following step: transmitting a first message to the small base station, wherein the first message is used for assisting the small base station in determining the uplink aggregate maximum bit rate of the small cell and the downlink aggregate maximum bit rate of the small cell.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to a kind of method guaranteeing subscriber equipment-convergence Maximum Bit Rate.
Background technology
The gain that the capacity brought due to low power nodes improves, to the layout of small-cell (small cell) with strengthen day by day coming into one's own.In 3GPP R12, new research project " Small Cell Enhancements for E-UTRA and E-UTRAN-Higher-Layer aspects " (small-cell for the high-rise aspect of E-UTRA and E-UTRAN-strengthens) goes through, and main points are to support the dual link in macrocell and small-cell aspect.Fig. 1 shows the dual link situation of the subscriber equipment with dominant base and little base station.
According to standard TS23.401, each subscriber equipment in EMM-REGISTERED state is associated with the qos parameter of following carrying convergence-level, i.e. subscriber equipment-convergence Maximum Bit Rate (the UE-AMBR of each subscriber equipment, User Equipment-Aggregate Maximum Bit Rate), it comprises uplink user equipment-convergence Maximum Bit Rate and downlink user equipment-convergence Maximum Bit Rate.
UE-AMBR is limited by the subscription parameters be stored in HSS.Mobile management entity (Mobile Management Entity, MME) UE-AMER should be arranged to the APN-AMBR's of all activated APN and, until arrive the value of UE-AMBR of subscribing to.UE-AMBR restriction converges bit rate as follows, and this convergence bit rate can be used to all non-GBR carryings of subscriber equipment.Each non-GBR (Guarantee Bit Rate) carrying can use whole UE-AMBR potentially, such as, when business is not carried in other non-GBR carryings.E-UTRAN implements UE-AMBR in uplink and downlink.
In the past, subscriber equipment and serving BS only have a RRC and are connected.This serving BS implements UE-AMBR in uplink and downlink.But, under dual link situation, when dual link is set up in subscriber equipment and macro base station and little base station simultaneously, how to guarantee that UE-AMBR does not discuss.
Summary of the invention
Consider based on above-mentioned, this application provides the effective embodiment guaranteeing UE-AMBR under dual link situation.
According to a first aspect of the invention, propose in a kind of macro base station in the communication environment of dual link the uplink user equipment-convergence Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of guaranteeing the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and described macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps: that b. transmits the first message to described little base station, described first message is used for auxiliary described little base station and determines the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell.
According to a second aspect of the invention, propose in a kind of little base station in the communication environment of dual link the uplink user equipment-convergence Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of guaranteeing the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and macro base station and described little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps: that A. obtains the first message from described macro base station or core net, described first message is used for auxiliary described little base station and determines the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell, and B. is at least based on described first message, with the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of described small-cell and described small-cell, described subscriber equipment is dispatched.
According to a third aspect of the invention we, propose in a kind of macro base station in the communication environment of dual link the method for the downlink user equipment-convergence Maximum Bit Rate of the Data Radio Bearer guaranteeing the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and described macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps: that X1. sends the packet of the Data Radio Bearer of non-GBR to described little base station with the first bit rate; X2. determine the descending convergence Maximum Bit Rate of described macrocell, the described descending convergence Maximum Bit Rate of wherein said macrocell equals the difference of described downlink user equipment-convergence Maximum Bit Rate and described first bit rate; And X3. dispatches described subscriber equipment with the descending convergence Maximum Bit Rate of described macrocell.
According to a forth aspect of the invention, propose in a kind of little base station in the communication environment of dual link the uplink user equipment-convergence Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of guaranteeing the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and macro base station and described little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps: that T1. receives from described macro base station with the packet of the Data Radio Bearer of the non-GBR of the first bitrate transmission, and described first bit rate is defined as the descending convergence Maximum Bit Rate of described small-cell by T2., and with the described descending convergence Maximum Bit Rate of described small-cell, described subscriber equipment is dispatched.
According to a fifth aspect of the invention, propose in a kind of macro base station in the communication environment of dual link the method for the uplink user equipment-convergence Maximum Bit Rate of the Data Radio Bearer guaranteeing the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and described macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps: that i. detects from described subscriber equipment to the first upstream bits rate of the packet of the Data Radio Bearer of the non-GBR of described little base station; Ii. the up convergence Maximum Bit Rate of described first upstream bits rate and described macrocell is summed into the second upstream bits rate; And described second upstream bits rate and uplink user equipment-convergence Maximum Bit Rate compare by iii., if described second upstream bits rate is greater than described uplink user equipment-convergence Maximum Bit Rate, then send a request message to described little base station, the described little base station of described request message instruction reduces described first upstream bits rate.
According to a sixth aspect of the invention, propose in a kind of little base station in the communication environment of dual link the uplink user equipment-convergence Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of guaranteeing the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and macro base station and described little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps: that D1. receives request message from described macro base station, the described little base station of described request message instruction reduces the first upstream bits rate of described subscriber equipment to the packet of the Data Radio Bearer of the non-GBR of described little base station, and D2. reduces described first upstream bits rate, and with the first upstream bits rate reduced, described subscriber equipment is dispatched.
According to a seventh aspect of the invention, propose in a kind of core net in the communication environment of dual link the uplink user equipment-convergence Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of guaranteeing the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps: that G1. is that described macrocell determines the up convergence Maximum Bit Rate of described macrocell and the descending convergence Maximum Bit Rate of described macrocell, and determine the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell for described small-cell, and G2. sends the first indication information to described macro base station, it indicates the up convergence Maximum Bit Rate of described macrocell and the descending convergence Maximum Bit Rate of described macrocell, and send the second indication information to described little base station, it indicates the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell, G3. receive E-RAB message from described macro base station, whether its instruction unloading changes to the quantity of the Data Radio Bearer of the non-GBR of described little base station, and G4. is when unloading to the number change of the Data Radio Bearer of the non-GBR of described little base station, carry out again implementation step G1 and G2 based on the unloading after change to the quantity of the Data Radio Bearer of the non-GBR of described little base station.
According to an eighth aspect of the invention, propose in a kind of macro base station in the communication environment of dual link the uplink user equipment-convergence Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of guaranteeing the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and described macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:-receive the first indication information from described core net, described first indication information indicates the up convergence Maximum Bit Rate of described macrocell and the descending convergence Maximum Bit Rate of described macrocell, and-with the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of described macrocell and described macrocell, described subscriber equipment is dispatched.
By preferred embodiment of the present invention, the UE-AMBR of uplink and downlink can be guaranteed when dual link.At this, macro base station and little base station can both be dispatched subscriber equipment with suitable up convergence Maximum Bit Rate and descending convergence Maximum Bit Rate respectively.
Various aspects of the present invention are more clear by the explanation by specific embodiment hereinafter.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more apparent:
Fig. 1 shows the schematic diagram with the dual link situation of the subscriber equipment of dominant base and little base station according to an embodiment of the invention;
Fig. 2 shows the flow chart guaranteeing the method for subscriber equipment-convergence Maximum Bit Rate according to an embodiment of the invention;
Fig. 3 shows the flow chart guaranteeing the method for downlink user equipment-convergence Maximum Bit Rate according to an embodiment of the invention;
Fig. 4 shows the flow chart guaranteeing the method for uplink user equipment-convergence Maximum Bit Rate according to an embodiment of the invention; And
Fig. 5 shows the flow chart guaranteeing the method for subscriber equipment-convergence Maximum Bit Rate according to another embodiment of the invention.
In the drawings, run through different diagrams, same or similar Reference numeral represents identical or corresponding parts or feature.
Embodiment
Fig. 2 shows the flow chart guaranteeing the method for subscriber equipment-convergence Maximum Bit Rate according to an embodiment of the invention.
As shown in Figure 2, in step s 201, macro base station transmits the first message to little base station, and this first message is used for auxiliary little base station and determines the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell.
In one embodiment of the invention, this first message comprises the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell.In this case, before step S201, macro base station can be the up convergence Maximum Bit Rate of little base station assigns small-cell and the descending convergence Maximum Bit Rate of small-cell according to predetermined condition.At this, predetermined condition such as includes but not limited to: unload to the relation of the total amount of the Data Radio Bearer of the quantity of the Data Radio Bearer of the non-GBR of little base station and non-GBR; Unload to the QoS parameter QoS of the Data Radio Bearer of the non-GBR of little base station and do not unload to the relation of the QoS parameter QoS of the Data Radio Bearer of the non-GBR of little base station; The channel status of macrocell and the channel status of small-cell; Backhaul state (such as can backhaul transport speed etc.); And the load of macrocell and the load of small-cell.
At this, the total amount of the Data Radio Bearer of non-GBR refers to the total amount of the Data Radio Bearer of the non-GBR that subscriber equipment is set up.Wherein, the Data Radio Bearer of the non-GBR of part is unloaded gives little base station, by little base station for these Data Radio Bearer provide service; Other are then retained in macro base station place, namely not unloaded, by macro base station for these Data Radio Bearer provide service.
In another embodiment of the present invention, the first message comprises the total amount of the Data Radio Bearer of uplink user equipment-convergence Maximum Bit Rate, downlink user equipment-convergence Maximum Bit Rate and non-GBR.
And when the Data Radio Bearer of non-GBR total amount upgrade and/or unloading upgrade to the quantity of the Data Radio Bearer of the non-GBR of little base station time, macro base station also can send the second message to little base station, and the second message comprises the total amount of Data Radio Bearer of the non-GBR of renewal and/or the unloading of renewal to the quantity of the Data Radio Bearer of the non-GBR of little base station.
As shown in Figure 2, in step S202, little base station, at least based on the first message, is dispatched subscriber equipment with the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of small-cell and small-cell.
Specifically, comprise the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of small-cell and small-cell in this case in the first message, little base station can be dispatched subscriber equipment based on the up convergence Maximum Bit Rate of the small-cell in the first message and the descending convergence Maximum Bit Rate of small-cell immediately.More definite is, the descending convergence Maximum Bit Rate of small-cell is known in such as little base station, little base station, when the transfer resource of allocation of downlink, needs the bit rate that statistics is transmitted, and this bit rate must not exceed the descending convergence Maximum Bit Rate of described small-cell.Certainly, in other embodiments of the invention, the factors such as channel quality also can be considered in little base station.At this, based on the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell subscriber equipment dispatched and mean that the upstream bits rate of dispatching subscriber equipment is no more than up convergence Maximum Bit Rate, and descending convergence Maximum Bit Rate is no more than to the downlink bit rate that subscriber equipment is dispatched.
Alternatively, when the first message comprises the total amount of the Data Radio Bearer of uplink user equipment-convergence Maximum Bit Rate, downlink user equipment-convergence Maximum Bit Rate and non-GBR, because the inevitable known unloading in little base station is to the quantity of the Data Radio Bearer of the non-GBR of little base station, the up convergence Maximum Bit Rate of small-cell and descending convergence Maximum Bit Rate will be determined in so little base station by following relation.
Specifically, the up convergence Maximum Bit Rate of small-cell is determined in the total amount of the Data Radio Bearer based on uplink user equipment-convergence Maximum Bit Rate, non-GBR and unloading by little base station to the quantity of the Data Radio Bearer of the non-GBR of little base station.
The up convergence Maximum Bit Rate of small-cell is such as determined according to following rule:
The up convergence Maximum Bit Rate=uplink user equipment-convergence Maximum Bit Rate * (unloading to the total amount of the Data Radio Bearer of the quantity of the Data Radio Bearer of the non-GBR of little base station/non-GBR) of small-cell
Such as, the total amount of Data Radio Bearer of the non-GBR set up at subscriber equipment is 4, when to unload to the quantity of the Data Radio Bearer of the non-GBR of little base station be 3, can be determined the up convergence Maximum Bit Rate of small-cell by following formula:
The up convergence Maximum Bit Rate=uplink user equipment-convergence Maximum Bit Rate * (3/4) of small-cell.
For the descending convergence Maximum Bit Rate of small-cell, also the similar method of employing is determined.
Namely according to following rule:
The descending convergence Maximum Bit Rate=downlink user equipment-convergence Maximum Bit Rate * (unloading to the total amount of the Data Radio Bearer of the quantity of the Data Radio Bearer of the non-GBR of little base station/non-GBR) of small-cell
At this, if the second message that the subsequently received aforesaid macro base station in little base station sends, then the total amount of Data Radio Bearer of the non-GBR based on the renewal in the second message and/or the unloading of renewal are implemented above-mentioned rule to the quantity of the Data Radio Bearer of the non-GBR of little base station, to determine the up convergence Maximum Bit Rate of current small-cell and descending convergence Maximum Bit Rate.
Get back to Fig. 2 now, in step S203, the up convergence Maximum Bit Rate of macro base station determination macrocell and descending convergence Maximum Bit Rate.The up convergence Maximum Bit Rate of macrocell and descending convergence Maximum Bit Rate can be determined according to following relation at this macro base station:
The up convergence Maximum Bit Rate=uplink user equipment-convergence Maximum Bit Rate of the up convergence Maximum Bit Rate+small-cell of macrocell; And
The descending convergence Maximum Bit Rate=downlink user equipment-convergence Maximum Bit Rate of the descending convergence Maximum Bit Rate+small-cell of macrocell
Also be, equal the difference of the up convergence Maximum Bit Rate of uplink user equipment-convergence Maximum Bit Rate and small-cell at the up convergence Maximum Bit Rate of this macrocell, the descending convergence Maximum Bit Rate of macrocell equals the difference of the descending convergence Maximum Bit Rate of downlink user equipment-convergence Maximum Bit Rate and small-cell.
Then, in step S204, macro base station is dispatched subscriber equipment with the up convergence Maximum Bit Rate of macrocell and descending convergence Maximum Bit Rate.Similarly, this means that macro base station is no more than up convergence Maximum Bit Rate to the upstream bits rate that subscriber equipment is dispatched, and descending convergence Maximum Bit Rate is no more than to the downlink bit rate that subscriber equipment is dispatched.
Now as shown in Figure 2, in step S205 to step S210, illustrated that little base station and macro base station subsequent negotiations are to the flow process of determine respective community up convergence Maximum Bit Rate and descending convergence Maximum Bit Rate.Such as when the condition such as Data Radio Bearer of channel condition, load and/or non-GBR changes, above-mentioned negotiations process can be implemented.
In step S205, the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of small-cell and the small-cell of recommendation of recommending will be determined in little base station according to predetermined condition, or will determine to reduce or increase the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell.At this, little base station needs to learn uplink user equipment-convergence Maximum Bit Rate and downlink user equipment-convergence Maximum Bit Rate.
In addition, predetermined condition can include but not limited to the channel status (herein means the channel status of subscriber equipment residing for small-cell) of small-cell, small-cell load, unload to the transmission state of the Data Radio Bearer of the non-GBR of little base station, backhaul state and unloading to the QoS parameter QoS of the Data Radio Bearer of the non-GBR of little base station.
Such as, if the channel status of small-cell is good, and need to transmit more data in small-cell, then little base station can be determined to recommend the up convergence Maximum Bit Rate of higher small-cell and the descending convergence Maximum Bit Rate of small-cell, or determines to increase the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell.And when the channel status of small-cell is not good, or backhaul is when being higher load condition, little base station can be determined to recommend the up convergence Maximum Bit Rate of lower small-cell and the descending convergence Maximum Bit Rate of small-cell, or determines to reduce the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell.
In step S206, little base station sends a request message to macro base station.This request message by the descending convergence Maximum Bit Rate of the small-cell of the up convergence Maximum Bit Rate and recommendation that comprise the small-cell of recommendation, or comprises the instruction that little base station requests reduces or increase the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell.
In step S207, macro base station will judge whether the descending convergence Maximum Bit Rate accepting the up convergence Maximum Bit Rate of small-cell and the small-cell of recommendation of recommending, or judge whether the instruction accepting the minimizing of little base station requests or the increase up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell.This such as also can carry out based on aforesaid predetermined condition.At this, macro base station also can reconfigure the up convergence Maximum Bit Rate of new small-cell and the descending convergence Maximum Bit Rate of new small-cell.
Then, in step S207, macro base station sends response message to little base station.
In one embodiment of the invention, whether response message instruction macro base station accepts the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of small-cell and the small-cell of recommendation of recommending.
Alternatively, response message indicates whether the instruction accepting the minimizing of little base station requests or the increase up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell.
Alternatively, response message indicates the up convergence Maximum Bit Rate of new small-cell and the descending convergence Maximum Bit Rate of new small-cell of macro base station configuration.
In step S208, little base station will operate accordingly based on response message.
Particularly, if response message instruction macro base station accepts the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of small-cell and the small-cell of recommendation of recommending, then with the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of small-cell recommended and the small-cell of recommendation, subscriber equipment is dispatched.
Alternatively, if the up convergence Maximum Bit Rate of new small-cell of response message instruction macro base station configuration and the descending convergence Maximum Bit Rate of new small-cell, then dispatch subscriber equipment with the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of new small-cell and new small-cell.
Similarly, in macro base station side, in step S209, if macro base station accepts the up convergence Maximum Bit Rate of small-cell of recommendation and the descending convergence Maximum Bit Rate of the small-cell of recommendation or macro base station and is configured with the up convergence Maximum Bit Rate of new small-cell and the descending convergence Maximum Bit Rate of new small-cell, then determine first of macrocell the up convergence Maximum Bit Rate and the first descending convergence Maximum Bit Rate.At this, still determine first of macrocell the up convergence Maximum Bit Rate and the first descending convergence Maximum Bit Rate according to aforesaid relation.Particularly, the difference of the up convergence Maximum Bit Rate of that the first up convergence Maximum Bit Rate of macrocell equals uplink user equipment-convergence Maximum Bit Rate and recommendation or new small-cell, the difference of the descending convergence Maximum Bit Rate of that the first descending convergence Maximum Bit Rate of macrocell equals downlink user equipment-convergence Maximum Bit Rate and recommendation or new small-cell.
Then, in step S210, macro base station is dispatched with first of the macrocell determined in step S209 the up convergence Maximum Bit Rate and the first descending convergence Maximum Bit Rate subscriber equipment.Thus, step S205 completes the negotiations process initiated by little base station to step 210.And in the embodiment that other substitute of the present invention, when the Data Radio Bearer of channel condition, non-GBR changes (such as macro base station newly adds or release the Data Radio Bearer of the non-GBR that this subscriber equipment is set up to little base station), macro base station can be little base station collocating uplink convergence Maximum Bit Rate and descending convergence Maximum Bit Rate again.
It should be noted that, the administrative macrocell of macro base station may be one or more simultaneously, and macro base station can utilize carrier aggregation to provide service for this subscriber equipment; Administrative small-cell, little base station also may be one or more, and little base station can utilize carrier aggregation to provide service for this subscriber equipment.In such a scenario, when the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell are known in little base station, little base station needs to guarantee that the downlink bit rate (each small-cell sum) of dispatching subscriber equipment is no more than the descending convergence Maximum Bit Rate of described small-cell, and up is also like this.Macro base station is also like this.
Fig. 3 shows the flow chart guaranteeing the method for downlink user equipment-convergence Maximum Bit Rate according to an embodiment of the invention.
As shown in Figure 3, in step S301, macro base station sends the packet of the Data Radio Bearer of non-GBR to little base station with the first bit rate.This first bit rate can be stable also can be variable.
Then, in step s 302, the first bit rate is defined as the descending convergence Maximum Bit Rate of small-cell by little base station, and dispatches subscriber equipment with the descending convergence Maximum Bit Rate of small-cell.When the first bit rate is variable, little base station can obtain the maximum (such as getting a maximum within the predetermined time) of this first variable bit rate, and dispatches subscriber equipment with the downlink bit rate being no more than this maximum.
In step S303, the descending convergence Maximum Bit Rate of macro base station determination macrocell.With similar above, the descending convergence Maximum Bit Rate of macrocell equals the difference of downlink user equipment-convergence Maximum Bit Rate and the first bit rate.
Then, in step s 304, macro base station is dispatched subscriber equipment with the descending convergence Maximum Bit Rate of macrocell.
Fig. 4 shows the flow chart guaranteeing the method for uplink user equipment-convergence Maximum Bit Rate according to an embodiment of the invention.
As shown in Figure 4, in step S401, macro base station is by the first upstream bits rate of the packet of the Data Radio Bearer of the non-GBR of detection from subscriber equipment to little base station.Concrete, macro base station can be obtained by the speed detecting the packet of these Data Radio Bearer that little base station sends to macro base station, or macro base station obtains the numerical value of this bit rate from little base station.
Then, in step S402, the up convergence Maximum Bit Rate of the first upstream bits rate and macrocell is summed into the second upstream bits rate by macro base station.
Then, in step S403, second upstream bits rate and uplink user equipment-convergence Maximum Bit Rate compare by macro base station, if the second upstream bits rate is greater than uplink user equipment-convergence Maximum Bit Rate, then send a request message to little base station, request message indicates little base station to reduce the first upstream bits rate.
In step s 404, little base station reduces the first upstream bits rate, and dispatches subscriber equipment with the first upstream bits rate reduced.
Fig. 5 shows the flow chart guaranteeing the method for subscriber equipment-convergence Maximum Bit Rate according to another embodiment of the invention.Different from aforesaid embodiment, this embodiment relates to macro base station, little base station and core net three side.At this, by the MME module in application core net.
As shown in Figure 5, in step S501, core net is the up convergence Maximum Bit Rate of macrocell determination macrocell and the descending convergence Maximum Bit Rate of macrocell, and for determining the up convergence Maximum Bit Rate of small-cell and the descending convergence Maximum Bit Rate of small-cell in small-cell.At this, total amount and the unloading of the Data Radio Bearer of the non-GBR that core net also can be set up based on subscriber equipment distribute above-mentioned up convergence Maximum Bit Rate and descending convergence Maximum Bit Rate to the load condition of the quantity of the Data Radio Bearer of the non-GBR of little base station and/or macrocell and small-cell.
In step S502, core net sends the first Indication message to macro base station, its instruction up convergence Maximum Bit Rate of macrocell and descending convergence Maximum Bit Rate of macrocell, and send the second indication information to little base station, its instruction up convergence Maximum Bit Rate of small-cell and descending convergence Maximum Bit Rate of small-cell.
In addition, macro base station and little base station will be dispatched subscriber equipment based on corresponding bit rate respectively.
In step S503, macro base station sends E-RAB message to core net.This E-RAB message can comprise one or more in the quantity of the Data Radio Bearer of the quantity of the Data Radio Bearer of the non-GBR of little base station and non-GBR of unloading.When this E-RAB message comprises unloading to the quantity of the Data Radio Bearer of the non-GBR of little base station, represent that unloading changes to the quantity of the Data Radio Bearer of the non-GBR of little base station.
In step S504, when unloading to the number change of the Data Radio Bearer of the non-GBR of little base station, core net carrys out again implementation step S501 and S502 based on the unloading after change to the quantity of the Data Radio Bearer of the non-GBR of little base station, is macrocell and small-cell and reconfigures uplink and downlink and converge Maximum Bit Rate.
Similarly, then, macro base station and little base station will be dispatched subscriber equipment based on up-to-date corresponding bit rate respectively.
It should be noted that, above-described embodiment is only exemplary, but not limitation of the present invention.Any technical scheme not deviating from spirit of the present invention all should fall within protection scope of the present invention, and this comprises the different technologies feature that use occurs in different embodiments, and method can combine, to obtain beneficial effect.
Claims (15)
1. in the macro base station in the communication environment of dual link, guarantee the uplink user equipment-convergence Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and described macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:
B. transmit the first message to described little base station, described first message is used for auxiliary described little base station and determines the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell.
2. method according to claim 1, is characterized in that, described first message comprises the described up convergence Maximum Bit Rate of described small-cell and the described descending convergence Maximum Bit Rate of described small-cell, and before step b, described method comprises step a:
A. according to the up convergence Maximum Bit Rate of predetermined condition for small-cell described in described little base station assigns and the descending convergence Maximum Bit Rate of described small-cell;
Or, described first message comprises described uplink user equipment-convergence Maximum Bit Rate, the total amount of the Data Radio Bearer of described downlink user equipment-convergence Maximum Bit Rate and described non-GBR, and when the Data Radio Bearer of non-GBR total amount upgrade and/or unloading upgrade to the quantity of the Data Radio Bearer of the non-GBR of described little base station time, described step b also comprises and sends the second message to described little base station, described second message comprises the total amount of Data Radio Bearer of the non-GBR of renewal and/or the unloading of renewal to the quantity of the Data Radio Bearer of the non-GBR of described little base station.
3. method according to claim 2, is characterized in that, described predetermined condition comprises at least one item in the following:
-unload to the relation of the total amount of the Data Radio Bearer of the quantity of the Data Radio Bearer of the non-GBR of described little base station and non-GBR;
-unload to the QoS parameter QoS of the Data Radio Bearer of the non-GBR of described little base station and do not unload to the relation of the QoS parameter QoS of the Data Radio Bearer of the non-GBR of described little base station;
The channel status of-described macrocell and the channel status of described small-cell;
-backhaul state; And
The load of-described macrocell and the load of described small-cell.
4. method according to claim 1, is characterized in that, described method also comprises step s1 and s2:
S1. the up convergence Maximum Bit Rate of described macrocell and descending convergence Maximum Bit Rate is determined, the described up convergence Maximum Bit Rate of wherein said macrocell equals the difference of the described up convergence Maximum Bit Rate of described uplink user equipment-convergence Maximum Bit Rate and described small-cell, and the described descending convergence Maximum Bit Rate of described macrocell equals the difference of the described descending convergence Maximum Bit Rate of described downlink user equipment-convergence Maximum Bit Rate and described small-cell; And
S2. with the described up convergence Maximum Bit Rate of described macrocell and described descending convergence Maximum Bit Rate, described subscriber equipment is dispatched.
5. method according to claim 1, is characterized in that, described method also comprises step c to g:
C. request message is received from described little base station, described request message comprises the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of described small-cell and the described small-cell of recommendation of recommending described little base station, or described request message comprises described little base station requests minimizing or increases the instruction of the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell;
D. judge whether the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of the described small-cell accepting described recommendation and the described small-cell of described recommendation, or judge whether that accepting described little base station requests reduces or increase the instruction of the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell;
E. response message is sent to described little base station, described response message indicates described macro base station whether to accept the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of the described small-cell of described recommendation and the described small-cell of described recommendation, or described response message indicates whether that accepting described little base station requests reduces or increase the instruction of the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell, or the described response message up convergence Maximum Bit Rate of new described small-cell that indicates described macro base station to configure and the descending convergence Maximum Bit Rate of new described small-cell,
If the descending convergence Maximum Bit Rate of the described descending convergence Maximum Bit Rate f. accepting the described up convergence Maximum Bit Rate of the described small-cell of described recommendation and the described small-cell of described recommendation or the up convergence Maximum Bit Rate being configured with new described small-cell and new described small-cell, then determine first of described macrocell the up convergence Maximum Bit Rate and the first descending convergence Maximum Bit Rate, the difference of the described up convergence Maximum Bit Rate of that the described first up convergence Maximum Bit Rate of wherein said macrocell equals described uplink user equipment-convergence Maximum Bit Rate and described recommendation or new described small-cell, the difference of the described descending convergence Maximum Bit Rate of that the described first descending convergence Maximum Bit Rate of described macrocell equals described downlink user equipment-convergence Maximum Bit Rate and described recommendation or new described small-cell, and
G. with the described first up convergence Maximum Bit Rate of described macrocell and described first descending convergence Maximum Bit Rate, described subscriber equipment is dispatched.
6. in the little base station in the communication environment of dual link, guarantee the uplink user equipment-convergence Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and macro base station and described little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:
A. obtain the first message from described macro base station or core net, described first message is used for auxiliary described little base station and determines the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell; And
B. at least based on described first message, with the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of described small-cell and described small-cell, described subscriber equipment is dispatched.
7. method according to claim 6, is characterized in that, described first message comprises the described up convergence Maximum Bit Rate of described small-cell and the described descending convergence Maximum Bit Rate of described small-cell; Or
Described first message comprises the total amount of the Data Radio Bearer of described uplink user equipment-convergence Maximum Bit Rate, described downlink user equipment-convergence Maximum Bit Rate and described non-GBR, and described step B comprises further:
B1. to determine the up convergence Maximum Bit Rate of described small-cell to the quantity of the Data Radio Bearer of the non-GBR of described little base station based on the total amount of the Data Radio Bearer of described uplink user equipment-convergence Maximum Bit Rate, described non-GBR and unloading, and based on the Data Radio Bearer of described downlink user equipment-convergences Maximum Bit Rate, described non-GBR total amount and unload the descending convergence Maximum Bit Rate determining described small-cell to the quantity of the Data Radio Bearer of the non-GBR of described little base station; And
B2. with the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of described small-cell and described small-cell, described subscriber equipment is dispatched.
8. the method according to claim 6 or 7, is characterized in that, when obtaining described first message from described macro base station, described method also comprises the steps:
C. determine the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of described small-cell and the described small-cell of recommendation of recommending according to predetermined condition, or determine reduce or increase the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell;
D. send a request message to described macro base station, described request message comprises the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of the described small-cell of described recommendation and the described small-cell of described recommendation, or comprises the instruction that described little base station requests reduces or increase the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell; And
E. response message is received from described macro base station, described response message indicates described macro base station whether to accept the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of the described small-cell of described recommendation and the described small-cell of described recommendation, or described response message indicates whether that accepting described little base station requests reduces or increase the instruction of the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell, or the described response message up convergence Maximum Bit Rate of new described small-cell that indicates described macro base station to configure and the descending convergence Maximum Bit Rate of new described small-cell, and
If F. described response message indicates described macro base station to accept the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of the described small-cell of described recommendation and the described small-cell of described recommendation, then with the described descending convergence Maximum Bit Rate of the described small-cell of the described up convergence Maximum Bit Rate of the described small-cell of described recommendation and described recommendation, described subscriber equipment is dispatched; If the descending convergence Maximum Bit Rate of the up convergence Maximum Bit Rate of the new described small-cell that described response message indicates described macro base station to configure and new described small-cell, then with the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of described described small-cell newly and described described small-cell newly, described subscriber equipment is dispatched.
9. method according to claim 8, is characterized in that, described predetermined condition at least comprise following at least one item:
The channel status of-described small-cell;
The load of-described small-cell;
-unload to the transmission state of the Data Radio Bearer of the non-GBR of described little base station;
-backhaul state; And
-unload to the QoS parameter QoS of the Data Radio Bearer of the non-GBR of described little base station.
10. in the macro base station in the communication environment of dual link, guarantee the method for the downlink user equipment-convergence Maximum Bit Rate of the Data Radio Bearer of the non-GBR set up for subscriber equipment, wherein, described subscriber equipment and described macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:
X1. send the packet of the Data Radio Bearer of non-GBR to described little base station with the first bit rate;
X2. determine the descending convergence Maximum Bit Rate of described macrocell, the described descending convergence Maximum Bit Rate of wherein said macrocell equals the difference of described downlink user equipment-convergence Maximum Bit Rate and described first bit rate; And
X3. with the descending convergence Maximum Bit Rate of described macrocell, described subscriber equipment is dispatched.
Uplink user equipment-convergence the Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of the non-GBR set up for subscriber equipment is guaranteed in 11. 1 kinds of little base stations in the communication environment of dual link, wherein, described subscriber equipment and macro base station and described little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:
T1. receive from described macro base station with the packet of the Data Radio Bearer of the non-GBR of the first bitrate transmission; And
T2. described first bit rate is defined as the descending convergence Maximum Bit Rate of described small-cell, and with the described descending convergence Maximum Bit Rate of described small-cell, described subscriber equipment is dispatched.
The method of the uplink user equipment-convergence Maximum Bit Rate of the Data Radio Bearer of the non-GBR set up for subscriber equipment is guaranteed in 12. 1 kinds of macro base stations in the communication environment of dual link, wherein, described subscriber equipment and described macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:
I. the first upstream bits rate from described subscriber equipment to the packet of the Data Radio Bearer of the non-GBR of described little base station is detected;
Ii. the up convergence Maximum Bit Rate of described first upstream bits rate and described macrocell is summed into the second upstream bits rate; And
Iii. described second upstream bits rate and uplink user equipment-convergence Maximum Bit Rate are compared, if described second upstream bits rate is greater than described uplink user equipment-convergence Maximum Bit Rate, then send a request message to described little base station, the described little base station of described request message instruction reduces described first upstream bits rate.
Uplink user equipment-convergence the Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of the non-GBR set up for subscriber equipment is guaranteed in 13. 1 kinds of little base stations in the communication environment of dual link, wherein, described subscriber equipment and macro base station and described little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:
D1. receive request message from described macro base station, the described little base station of described request message instruction reduces the first upstream bits rate of described subscriber equipment to the packet of the Data Radio Bearer of the non-GBR of described little base station; And
D2. reduce described first upstream bits rate, and with the first upstream bits rate reduced, described subscriber equipment is dispatched.
Uplink user equipment-convergence the Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of the non-GBR set up for subscriber equipment is guaranteed in 14. 1 kinds of core net in the communication environment of dual link, wherein, described subscriber equipment and macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:
G1. determine the up convergence Maximum Bit Rate of described macrocell and the descending convergence Maximum Bit Rate of described macrocell for described macrocell, and determine the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell for described small-cell; And
G2. the first indication information is sent to described macro base station, it indicates the up convergence Maximum Bit Rate of described macrocell and the descending convergence Maximum Bit Rate of described macrocell, and send the second indication information to described little base station, it indicates the up convergence Maximum Bit Rate of described small-cell and the descending convergence Maximum Bit Rate of described small-cell;
G3. receive E-RAB message from described macro base station, whether its instruction unloading changes to the quantity of the Data Radio Bearer of the non-GBR of described little base station; And
G4., when unloading to the number change of the Data Radio Bearer of the non-GBR of described little base station, implementation step G1 and G2 is carried out again based on the unloading after change to the quantity of the Data Radio Bearer of the non-GBR of described little base station.
Uplink user equipment-convergence the Maximum Bit Rate of Data Radio Bearer and the method for downlink user equipment-convergence Maximum Bit Rate of the non-GBR set up for subscriber equipment is guaranteed in 15. 1 kinds of macro base stations in the communication environment of dual link, wherein, described subscriber equipment and described macro base station and little base station form dual link, described macro base station administration macrocell, and administration small-cell, described little base station, described method comprises the steps:
-receiving the first indication information from described core net, described first indication information indicates the up convergence Maximum Bit Rate of described macrocell and the descending convergence Maximum Bit Rate of described macrocell; And
-with the described descending convergence Maximum Bit Rate of the described up convergence Maximum Bit Rate of described macrocell and described macrocell, described subscriber equipment is dispatched.
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| CN201310473805.3A CN104581677A (en) | 2013-10-11 | 2013-10-11 | Method for ensuring user equipment-aggregate maximum bit rate |
| PCT/IB2014/002598 WO2015052582A2 (en) | 2013-10-11 | 2014-10-13 | Method of enforcing user equipment-ambr |
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| US10219147B2 (en) | 2016-04-07 | 2019-02-26 | Mediatek Inc. | Enhanced codec control |
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| WO2015052582A2 (en) | 2015-04-16 |
| WO2015052582A3 (en) | 2015-08-20 |
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