CN103945540A

CN103945540A - Processing method and device for logical channel priority

Info

Publication number: CN103945540A
Application number: CN201410096369.7A
Authority: CN
Inventors: 付喆
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2014-03-14
Filing date: 2014-03-14
Publication date: 2014-07-23
Anticipated expiration: 2034-03-14
Also published as: CN103945540B

Abstract

The invention provides a processing method and device for logical channel priority. According to the method and device, tokens, commonly used by UE MAC entities of different aggregation base stations corresponding to UE, in token buckets of the same bearer are determined based on a bearer split architecture, then the logical channel priority is processed, and therefore the problems that data to be transmitted on a logical channel are backlogged severely, the actual data transmission rate is low, and data transmission is delayed are solved. The method includes the steps that the number of occupied tokens in the token buckets of the UE when UE media in all the aggregation base stations corresponding to the UE get access to control MAC entities is determined in a bearer split scene, wherein the aggregation base stations comprise main control base stations and auxiliary base stations; according to the number of the tokens occupied by the UE MAC entities and the data transmission condition of the logical channel corresponding to the bearer, the logical channel priority is processed for any split bearer of the UE.

Description

A kind of priority of logical channels processing method and device

Technical field

The present invention relates to the communications field, relate in particular to a kind of priority of logical channels processing method and device.

Background technology

Along with fast development and the user of intelligent terminal constantly increase the demand of data service transmission rate and capacity, traditional macro base station individual layer overlay network can not meet user's data traffic requirement; At present, 3GPP solves this problem by the network scenarios of introducing layering networking, introduce carrying simultaneously and separate (bearer split) technology and framework, make terminal can use the local resource of multiple base stations simultaneously, and then the mobile management of enhancing terminal, the peak value of raising terminal data service transmission rate.

Priority of logical channels processing refers to that UE receives after ascending resource assignment information, according to the priority of logical channels control information of base station configuration, the data to be transmitted amount of each logic channel, and media access control waiting for transmission (Media Access Control, MAC) unit information, between each logic channel, and between logical channel data and MAC control information, reasonably divide the uplink transmission resource of base station assigns, these operations are commonly referred to as priority of logical channels processing.

At present, in priority of logical channels processing procedure, in the time that a priority of logic-based channel is logical channel assignment resource, if continue to have mass data to need transmission on the logic channel of high priority, the logic channel of high priority will take whole or most of base station assigns for a long time to subscriber equipment (User Equipment, UE) resource, cause data waiting for transmission on the logic channel of low priority to can not get for a long time transmission opportunity, and then occur that some logic channel data waiting for transmission seriously overstock, actual transmissions data speed is very low, the problems such as propagation delay time is large.

The problems referred to above that occur while transmission for fear of logical channel data, priority of logical channels in UE is processed and is adopted Token Bucket Policing, base station need to be for parameters such as every logic channel configuration logic channel priority, optimization bit rate and token bucket duration, for every logic channel, all need to safeguard a token bucket Bj parameter, Bj parameter is a variable, the token number of presentation logic channel correspondence in token bucket; In UE, the detailed process of priority of logical channels processing is as follows:

Be logical channel assignment resource according to priority of logical channels by high order on earth for token number in the token bucket of UE is greater than 0 logic channel; When Resources allocation, be logical channel assignment stock number according to the token number in token bucket corresponding to logic channel and data volume waiting for transmission;

From distributed the token bucket that the logic channel of resource is corresponding, deduct token number corresponding to divided resource;

All be assigned with after resource at logic channel, if there is unappropriated resource, for all logic channels of data to be transmitted that still exist are according to priority of logical channels high order-assigned priority on earth order-assigned resource from small to large again, the stock number that now logic channel distributes does not limit, until the stock number that logic channel distributes can meet the demand of this logic channel data to be transmitted amount, until resource all distributes.

In prior art, the UE MAC entity of the base station that UE is corresponding only has one, and each carrying of UE is a corresponding logic channel only, and is only that this carrying divides the resource that is used in transfer of data by this UE MAC entity.And based on bearing separation structure, the UE MAC entity of the polymerization base station that UE is corresponding different, each UE MAC entity is responsible for separately data dispatch transmission and the resource of corresponding polymerization base station and is distributed, and the same carrying of UE can be by the common scheduled transmission of UE MAC entity of multiple polymerizations base station; In priority of logical channels processing procedure, the token bucket of same carrying is but to be shared by the UE MAC entity of different polymerization base stations.

To sum up, in prior art, based on bearing separation structure, for the same carrying of UE, how the UE MAC entity of the different polymerizations base station that UE is corresponding uses the token in the token bucket of this carrying, to carry out priority of logical channels processing, does not also provide at present corresponding solution.

Summary of the invention

The invention provides a kind of priority of logical channels processing method and device, in order to realize based on bearing separation structure, the UE MAC entity of the different polymerizations base station that UE is corresponding uses the token in the token bucket of same carrying of UE jointly, then carry out priority of logical channels processing, avoid that data waiting for transmission on logic channel seriously overstock, actual transmissions data speed is low and the problem of data transmission delay.

The embodiment of the present invention provides a kind of priority of logical channels processing method, and the method comprises:

Determine the token number in the token bucket of this UE that the UE media access control MAC entity in each polymerization base station that the user equipment (UE) of carrying under separation scene is corresponding takies, wherein, polymerization base station comprises main control base station and assistant base station;

For the carrying of arbitrary separation of this UE, the token number taking according to described UE MAC entity, and the transfer of data situation of the logic channel of this carrying correspondence, carry out priority of logical channels processing.

Can find out from said method, token number in the token bucket of this UE that the present invention takies by the UEMAC entity of determining in each polymerization base station that UE is corresponding, and then the token number taking according to each UE MAC entity, and the transfer of data situation of the logic channel of the carrying correspondence of UE, carry out priority of logical channels processing, realize based on bearing separation structure, the UEMAC entity of the different polymerizations base station that UE is corresponding uses the token in the token bucket of same carrying of UE jointly, then carry out priority of logical channels processing, make logic channel can not take the uplink scheduling resource of whole or most of polymerization base station assigns, avoid data waiting for transmission on logic channel seriously to overstock, actual transmissions data speed is low, and the problem of data transmission delay.

Preferably, only have a polymerization base station to distribute uplink scheduling resource for this UE if current, the UE MAC entity of the polymerization base station for its Resources allocation that this UE is corresponding takies in the token bucket of this UE all tokens.

Like this, for the UE MAC entity of a polymerization base station of UE Resources allocation can take in the token bucket of this UE all tokens, then carry out priority of logical channels processing.

Preferably, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, determine the token number in the token bucket of this UE that the UE MAC entity of each polymerization base station that UE under carrying separation scene is corresponding takies, comprising:

Be defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation;

According to the ratio of the spendable logic channel of each UE MAC entity, the token number in the token bucket of this UE that definite each UE MAC entity takies respectively.

Like this, for the UE MAC entity of multiple polymerizations base station of UE Resources allocation can take token in the token bucket of this UE jointly, then carry out priority of logical channels processing.

Preferably, be defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation, comprise:

The transfer of data situation information of carrying of preserving according to the UE MAC entity of polymerization base station that is UE Resources allocation, and/or the transfer of data situation of the separation of the UE MAC entity of described polymerization base station carrying, be defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation;

Wherein, the transfer of data situation information of carrying that UE MAC entity is preserved comprises one of following information or combination: the data to be transmitted amount of this UE MAC entity, transmitted data amount, transmitted data amount, data type, polymerization base station are the stock number that this UE distributes;

The transfer of data situation that separates carrying comprises one of following information or combination: UE MAC entity data to be transmitted amount, transmitted data amount, heavy transmitted data amount, data type, polymerization base station are the stock number that this UE distributes.

Like this, be the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation according to what determine, further can determine respectively the token number in the token bucket of this UE that each UE MAC entity takies.

Be preferably and meet pre-conditionedly, and meet the token number of the UE MAC actual resource demand of this polymerization base station for the polymerization base station assigns of this UE Resources allocation;

In the time there is unappropriated token in the token bucket of UE, for not meeting pre-conditioned and being the remaining token number of polymerization base station assigns of this UE Resources allocation;

Wherein, meeting pre-conditioned described polymerization base station is the maximum polymerization base station of data to be transmitted amount of carrying, or the current polymerization base station that has the protocol Data Unit PDU of wireless link control RLC state or retransmit PDU, or the highest polymerization base station of the priority of scheduling resource.

Preferably, if there is the polymerization base station of PDU or the re-transmission PDU of the multiple current RLC of existence states, according to the data to be transmitted amount of multiple polymerizations base station link, be the token number in this UE token bucket of UE MAC entity partitioning of multiple polymerizations base station; Or,

According to transmission total amount of data and the data to be transmitted amount of multiple polymerizations base station link, determine respectively the token number allocation proportion of UE MAC entity in multiple polymerizations base stations, and be the token number in this UE token bucket of UE MAC entity partitioning of multiple polymerizations base station according to this ratio.

Like this, meet pre-conditioned multiple polymerizations base station according to what determine, further can determine the token number in the token bucket of this UE that each UE MAC entity of multiple base stations takies.

According to formula the UE MAC entity that is calculated as each polymerization base station of this UE Resources allocation takies the priority of token, wherein, and P _krepresent that UE MAC entity takies the priority of token, CR _krepresent the transient data transmission rate that subscriber equipment k obtains, R _k(t) represent the actual data transfer rate of time domain after level and smooth, R _k(t) upgrade by the mode of time slide window;

Take the priority of token according to UE MAC entity, the token number in the token bucket of this UE taking for UE MAC entity partitioning.

Superpose according to the difference of the difference of data type or bearing identification in the data to be transmitted amount of the UE MAC of different polymerization base stations entity corresponding the same separation carrying of UE respectively, obtain the total amount of data of the data to be transmitted of every kind of data type or bearing identification, wherein, the total amount of data of the data to be transmitted of every kind of data type or bearing identification comprises the data volume of the data to be transmitted of this data type in multiple UE MAC entities or bearing identification;

It is the token number in the token bucket of this UE of taking of described UE MAC entity partitioning according to data to be transmitted shared ratio in each UE MAC entity of the total amount of data of the data to be transmitted of every kind of data type or bearing identification, priority and every kind of data type or bearing identification.

Preferably, only have a polymerization base station for this UE distribution uplink scheduling resource if current, the transfer of data situation of logic channel comprises this logic channel data volume waiting for transmission; Or,

If exist multiple polymerizations base station for this UE distribution uplink scheduling resource current, the transfer of data situation of logic channel comprises one of following information or combination: this logic channel data volume waiting for transmission, data type, heavy transmitted data amount, polymerization base station are the stock number that this UE distributes.

Like this, for the carrying of arbitrary separation of UE, the token number taking according to the UE MAC entity of polymerization base station, and the transfer of data situation of the logic channel of this carrying correspondence, just can carry out priority of logical channels processing.

The embodiment of the present invention provides a kind of priority of logical channels processing unit, and this device comprises:

Token determining unit, the token number in the token bucket of this UE taking for the UE media access control MAC entity of each polymerization base station corresponding to the user equipment (UE) under definite carrying separation scene, wherein, polymerization base station comprises main control base station and assistant base station;

Logic channel processing unit, for the carrying of the arbitrary separation for this UE, the token number taking according to described UE MAC entity, and the transfer of data situation of the logic channel of this carrying correspondence, carry out priority of logical channels processing.

Preferably, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, token determining unit specifically for:

Preferably, token determining unit in the time being defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation, specifically for:

The transfer of data situation information of carrying of preserving according to the UE MAC entity of polymerization base station that is UE Resources allocation, and/or the transfer of data situation of the separation of the UE MAC entity of polymerization base station carrying, be defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation;

Wherein, the transfer of data situation information of carrying that UE MAC entity is preserved comprises one of following information or combination: the data to be transmitted amount of UE MAC entity, transmitted data amount, transmitted data amount, data type, polymerization base station are the stock number that this UE distributes;

Like this, token determining unit is the ratio of the spendable logic channel of UEMAC entity of each polymerization base station of UE Resources allocation according to what determine, further can determine respectively the token number in the token bucket of this UE that each UE MAC entity takies.

Wherein, meeting pre-conditioned polymerization base station is the maximum polymerization base station of data to be transmitted amount of carrying, or the current polymerization base station that has the protocol Data Unit PDU of wireless link control RLC state or retransmit PDU, or the highest polymerization base station of the priority of scheduling resource.

Preferably, if there is the polymerization base station of PDU or the re-transmission PDU of the multiple current RLC of existence states, token determining unit, according to the data to be transmitted amount of multiple polymerizations base station link, is the token number in this UE token bucket of UE MAC entity partitioning of multiple polymerizations base station; Or,

Token determining unit is according to transmission total amount of data and the data to be transmitted amount of multiple polymerizations base station link, determine respectively the token number allocation proportion of UE MAC entity in multiple polymerizations base stations, and be the token number in this UE token bucket of UE MAC entity partitioning of multiple polymerizations base station according to this ratio.

Like this, token determining unit meets pre-conditioned multiple polymerizations base station according to what determine, further can determine the token number in the token bucket of this UE that each UE MAC entity of multiple base stations takies.

It is the token number in the token bucket of this UE of taking of UE MAC entity partitioning according to data to be transmitted shared ratio in each UE MAC entity of the total amount of data of the data to be transmitted of every kind of data type or bearing identification, priority and every kind of data type or bearing identification.

Like this, for the carrying of arbitrary separation of UE, the token number taking according to the UE MAC entity of the definite polymerization base station of token determining unit, and the transfer of data situation of the logic channel of this carrying correspondence, logic channel processing unit just can carry out priority of logical channels processing.

Brief description of the drawings

Fig. 1 is the network scenarios schematic diagram of layering networking;

Fig. 2 is the schematic diagram of framework 1 in bearing separation structure;

Fig. 3 is the schematic diagram of framework 3 in bearing separation structure;

A kind of priority of logical channels process flow schematic diagram that Fig. 4 provides for the embodiment of the present invention;

A kind of priority of logical channels processing unit structural representation that Fig. 5 provides for the embodiment of the present invention.

Embodiment

A kind of priority of logical channels processing method provided by the invention and device, based on the network scenarios of layering networking, and carrying isolation technics and framework; Method provided by the invention and device be both applicable to the framework of simultaneously supporting that up-downgoing carrying separates, were also applicable to the framework of only supporting that downlink bearing separates.

In the network scenarios of the layering networking shown in Fig. 1, macro base station (Macro eNB, below be denoted as main control base station) provide basic network to cover, in hot spot region, family's indoor environment, some lower powered local nodes (Small cell/Secondary eNB is laid in the small size overlay areas such as working environment, below be denoted as assistant base station), cover with the focus among a small circle that network is provided, between assistant base station main control base station, there is data-interface or signaling interface, therefore UE both can be operated under the network of main control base station covering, also can be operated under the network of assistant base station covering.Because the cell coverage area of assistant base station control is little, the UE quantity of service is few, makes the UE that is connected to assistant base station often can obtain better service quality, as obtained higher service data transmission rate, higher-quality link etc.Therefore,, in the time being connected to the UE of main control base station and entering the corresponding cell coverage area of assistant base station, UE can transfer to the network service that assistant base station provides to obtain assistant base station; When UE is during away from the corresponding cell coverage area of assistant base station, need to transfer to the community of main control base station control, to keep wireless connections.

The network scenarios of the layering networking shown in Fig. 1 can be supported bearing separation structure.Under bearing separation structure, a part of Deta bearer of UE maintains management in main control base station, another part Deta bearer carries out maintenance management on assistant base station, wherein, the chain of command carrying of UE is managed by main control base station cell maintenance, and Fig. 2 and Fig. 3 are respectively the schematic diagram of bearing separation structure 1 and bearing separation structure 3; The framework 3 that carrying is separated, under this framework, at network side, Paket Data Convergence Protocol (the Packet Data Convergence Protocol corresponding with UE, PDCP) entity is in main control base station, main control base station and assistant base station have the entity such as wireless link control (Radio Link Control, RLC), MAC of corresponding same carrying, and main control base station sends to the RLC of main control base station and the RLC of assistant base station by technology such as Flow Controls by the data of PDCP.UE bogie side frame structure and network side equity.For the UE that supports this kind of bearing separation structure, if separating, up-downgoing carrying is all supported, the up-downgoing data of the same carrying of UE all can be transmitted simultaneously on main control base station and assistant base station; If only support downlink bearing to separate, the downlink data of the same carrying of UE can transmit simultaneously on main control base station and assistant base station.Under bearing separation structure in main control base station and assistant base station overlapping covered, the UE that supports carrying to separate may be simultaneously operated under main control base station and assistant base station, uses the resource of multiple polymerizations base station to make it possible to provide higher message transmission rate and data service more cheaply for UE.

Network scenarios and the bearing separation structure of the layering networking based on Fig. 1 to Fig. 3, as shown in Figure 4, the embodiment of the present invention provides a kind of priority of logical channels processing method, and the method comprises:

S41, determine the token number in the token bucket of this UE that the UE media access control MAC entity in each polymerization base station that the user equipment (UE) of carrying under separation scene is corresponding takies, wherein, polymerization base station comprises main control base station and assistant base station;

S42, for the carrying of arbitrary separation of this UE, the token number taking according to described UE MAC entity, and the transfer of data situation of the logic channel of this carrying correspondence, carry out priority of logical channels processing.

Preferably, exist multiple polymerizations base station for this UE distribution uplink scheduling resource if current, the method of the token number in the token bucket of this UE taking for the UE MAC entity of each polymerization base station corresponding to the UE under definite carrying separation scene in step S41, the embodiment of the present invention provides following four kinds of implementations:

Scheme one: the ratio that is defined as the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation;

Wherein, the method that is defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation comprises:

The transfer of data situation information of carrying that UE MAC entity is preserved comprises one of following information or combination: the data to be transmitted amount of UE MAC entity, transmitted data amount, transmitted data amount, data type, polymerization base station are the stock number that this UE distributes;

Scheme two: be preferably and meet pre-conditionedly, and meet the token number of the UE MAC actual resource demand of this polymerization base station for the polymerization base station assigns of this UE Resources allocation;

Wherein, meeting pre-conditioned polymerization base station is the maximum polymerization base station of data to be transmitted amount of carrying, or current protocol Data Unit (the Protocol Data Unit that has wireless link control RLC state, or retransmit the polymerization base station of PDU, or the highest polymerization base station of the priority of scheduling resource PDU).

If there is the polymerization base station of PDU or the re-transmission PDU of the multiple current RLC of existence states, according to the data to be transmitted amount of multiple polymerizations base station link, be the token number in this UE token bucket of UE MAC entity partitioning of multiple polymerizations base station; Or,

Scheme three: according to formula the UE MAC entity that is calculated as each polymerization base station of this UE Resources allocation takies the priority of token, wherein, and P _krepresent that UE MAC entity takies the priority of token, CR _krepresent the transient data transmission rate that subscriber equipment k obtains, R _k(t) represent the actual data transfer rate of time domain after level and smooth, R _k(t) upgrade by the mode of time slide window;

Scheme four: superpose according to the difference of the difference of data type or bearing identification in the data to be transmitted amount of the UE MAC of different polymerization base stations entity corresponding the same separation carrying of UE respectively, obtain the total amount of data of the data to be transmitted of every kind of data type or bearing identification, wherein, the total amount of data of the data to be transmitted of every kind of data type or bearing identification comprises the data volume of the data to be transmitted of this data type in multiple UE MAC entities or bearing identification;

Preferably, in step S42, only have a polymerization base station for this UE distribution uplink scheduling resource if current, the transfer of data situation of logic channel comprises this logic channel data volume waiting for transmission; Or,

Describe the embodiment of the present invention in detail below in conjunction with specific embodiment a kind of priority of logical channels processing method is provided, following examples had both been applicable to the scene of supporting that up-downgoing carrying separates, were also applicable to the scene of only supporting that downlink bearing separates.Operating main body priority of logical channels processing entities of the present invention can be positioned at the UE MAC entity of polymerization base station, this polymerization base station comprises main control base station and assistant base station, also can be used as an independently entity, be positioned at outside the UE MAC entity of polymerization base station, this priority of logical channels processing entities is shared by the UE MAC entity of all polymerizations base station corresponding to UE; The UE MAC entity that following examples are positioned at main control base station taking priority of logical channels processing entities is as example.

Embodiment mono-: the parameter maintaining method of priority of logical channels processing;

The UE MAC entity of all polymerizations base station that UE is corresponding is only safeguarded the parameter of a set of priority of logical channels processing, this parameter comprises one of following information or combination: Bj parameter, token bucket heap(ed) capacity, optimization bit rate (Prioritised Bit Rate, PRB), the token bucket capacity duration (Bucket Size Duration, BSD); Wherein, token bucket heap(ed) capacity equals the product of PBR and BSD; Bj parameter is a variable, the token number of presentation logic channel correspondence in token bucket, the initial value of the Bj parameter of token bucket is 0, each Transmission Time Interval (Transmitted Time Interval, TTI) in, add token according to the product of PBR and TTI in token bucket, the value of Bj parameter increases.

In a TTI, in the time that the UE MAC entity of certain polymerization base station corresponding to UE need to be dispatched the data of this separation carrying, the value of the Bj parameter of the UE MAC entity amendment priority of logical channels processing of main control base station; In next TTI, if when the UE MAC entity of the assistant base station that UE is corresponding need to be dispatched the data of this separation carrying, the UE MAC entity of the main control base station that UE is corresponding is according to the relevant information of the UE MAC entity of assistant base station, for the token number in the token bucket of this separation carrying of the UE MAC entity partitioning of assistant base station corresponding to UE, and revise the value of the Bj parameter of priority of logical channels processing; Wherein, the relevant information of the UE MAC entity of assistant base station comprises one of following information or combination: the uplink scheduling stock number of data to be transmitted amount, data type, base station assigns, transmitted data amount, data awaiting transmission time, Flow Control ratio, PRB configure usage ratio.

Or, the UE MAC entity of the UE MAC entity of the main control base station that UE is corresponding and assistant base station is safeguarded the parameter of a set of priority of logical channels processing separately, but should ensure that the Bj parameter value of UE MAC entity maintaining of main control base station is identical with the Bj parameter value of the UE MAC entity maintaining of assistant base station.For example: concerning token number increases, the initial value of the Bj parameter of each UE MAC entity maintaining is 0, and in token bucket, adds token according to the product of PBR and TTI in each TTI, the value of Bj parameter increases.Concerning token uses, in a TTI, in the time that the UE MAC entity of certain polymerization base station corresponding to UE need to be dispatched the data of this separation carrying, after the value of the Bj parameter of the UE MAC entity amendment priority of logical channels processing of main control base station, notify the UE MAC entity to assistant base station by the value of the Bj parameter of renewal, the parameter of the priority of logical channels processing of the UE MAC entity that makes assistant base station to this side is upgraded, identical to ensure the value of Bj parameter of UE MAC entity maintaining of main control base station and assistant base station.

Embodiment bis-: only have a polymerization base station is that UE distributes uplink scheduling resource, priority of logical channels processing method if current.

Supposing current is that UE distributes uplink scheduling resource by main control base station, and the UE MAC entity of main control base station takies in the token bucket of this UE all tokens;

In the token bucket carrying in the separation of UE, the logic channel of this carrying correspondence token book in this token bucket being greater than to zero logic channel is logical channel assignment uplink scheduling resource according to priority orders, token number and the data to be transmitted amount of the stock number of distributing based in token bucket corresponding to current logic channel.

In the time of the logical channel assignment uplink scheduling resource for this separation carrying, the stock number that the UE MAC entity of main control base station is logical channel assignment is the minimum value in the token number in the token bucket that logic channel is corresponding, data volume waiting for transmission, remaining uplink scheduling stock number, now, the UE MAC entity of main control base station is updated to token number corresponding to former Bj parameter by the Bj parameter of priority of logical channels processing and deducts divided token number corresponding to uplink scheduling stock number.

If after completing above-mentioned resource and distributing, resource still has residue, to all data logic channels waiting for transmission that still have according to priority orders Resources allocation, there is not any restriction in the now distribution of stock number.

Embodiment tri-: exist multiple polymerizations base station for this UE distribution uplink scheduling resource, priority of logical channels processing method () if current;

Exist multiple polymerizations base station for this UE distribution uplink scheduling resource if current, suppose that main control base station and assistant base station are UE and distribute uplink scheduling resource, according to the ratio of the UE MAC entity of main control base station and the spendable logic channel of UE MAC entity of assistant base station that is UE Resources allocation, token number in the token bucket of this UE that definite each UEMAC entity takies respectively, and then in conjunction with the transfer of data situation of the logic channel of this carrying correspondence, carry out priority of logical channels processing.

The ratio of the spendable logic channel of UE MAC entity of the UE MAC entity of main control base station and assistant base station can be the fixed value setting in advance, also can be to adjust voluntarily between the UE MAC entity of main control base station and the UE MAC entity of assistant base station, or main control base station is determined according to the information known, this information comprises one of following information or combination: channel quality, BSR, transmitted data amount, data transmission delay, separate the transfer of data ratio that each UE MAC entity carries that is carried on.

The method that is defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation comprises:

Wherein, the transfer of data situation information of carrying that UE MAC entity is preserved comprises one of following information or combination: the data to be transmitted amount of UE MAC entity, transmitted data amount, heavy transmitted data amount, data type (the current polymerization base station that whether has the protocol Data Unit PDU of wireless link control RLC state or retransmit PDU), polymerization base station are the stock number that this UE distributes;

If many there is RLC status PDU in logic channel, first calculate the ratio of data to be transmitted amount on these many logic channels, then the token number of using to every logic channel by this pro rate; Or,

First calculate on these many logic channels data to be transmitted amount and the comprehensive ratio of transmitted data amount, then the token number of using to every logic channel by this pro rate; The comprehensive ratio of these many logic channels can be by following calculating: the data volume waiting for transmission of the UE MAC entity of total amount of data+bi* base station i that the UE MAC entity of Pbucket=(ai* base station i has transmitted)/(data volume waiting for transmission of the UE MAC entity of total amount of data+bj* base station j that the UE MAC entity of aj* base station j has transmitted), wherein ai, aj, bi, bj is and is greater than 0 preset parameter that is less than 1, calculates shared ratio for the data amount information of adjusting different types of data in priority; Or,

If many logic channel exists RLC status PDU and/or RLC to retransmit PDU, first calculate data volume or PDU number ratio that existing RLC status PDU on these many logic channels and/or RLC retransmit PDU, then the token number of using to every logic channel by this pro rate;

Or, according to the total amount of data of having transmitted of every logic channel and data volume waiting for transmission, determine the token allocation proportion on every logic channel, wherein, the data volume waiting for transmission of the UE MAC entity of total amount of data+b1* main control base station that the UEMAC entity of token allocation proportion P=(a1* main control base station has transmitted)/(data volume waiting for transmission that the UE MAC entity of the total size+b2* of the transmitted data amount assistant base station of the UE MAC entity of a2* assistant base station has transmitted), a1, a2, b1, b2 is greater than 0 preset parameter that is less than 1, the method is calculated shared ratio for the data amount information of adjusting different types of data in priority, draw in this ratio the token number that the UE MAC entity of main control base station and the UE MAC entity of assistant base station take separately again,

The UE MAC entity of assistant base station is semi-static or dynamically send the transfer of data situation information of above-mentioned carrying to the UE MAC entity of main control base station, to ensure that the UE MAC entity of main control base station can adjust the ratio of the spendable logic channel of each UE MAC entity in real time.

Embodiment tetra-: exist multiple polymerizations base station for this UE distribution uplink scheduling resource, priority of logical channels processing method (two) if current;

Exist multiple polymerizations base station for this UE distribution uplink scheduling resource if current, suppose that main control base station and assistant base station are UE and distribute uplink scheduling resource, token in token bucket can priority allocation use to the UE MAC entity of a polymerization base station, and concrete grammar comprises:

For example, if the maximum polymerization base station of data to be transmitted amount of carrying in current or a period of time is assistant base station, be preferably the token number in the UE MAC entity partitioning token bucket of this assistant base station, for the logic channel of the UE MAC entity of this assistant base station; If the token in token bucket has residue, be the token number in the UE MAC entity partitioning token bucket of main control base station again, for the logic channel of the UE MAC entity of this main control base station.

If there is the polymerization base station of PDU or the re-transmission PDU of the multiple current RLC of existence states, according to the data to be transmitted amount of described multiple polymerizations base station link, be the token number in this UE token bucket of UE MAC entity partitioning of described multiple polymerizations base station; Or,

Embodiment five: exist multiple polymerizations base station for this UE distribution uplink scheduling resource, priority of logical channels processing method (three) if current;

Introduce the fair mode of direct ratio, according to separating the size of data of transmitting before each logic channel of carrying, the current not size of data of transmission, the data awaiting transmission time, the current uplink scheduling resource thigh amount of obtaining etc., for the token number that the UE MAC entity partitioning of polymerization base station can take, concrete grammar comprises:

The UE MAC entity maintaining of each polymerization base station also calculates the distribution priority of token in a token bucket, in the time that UE obtains the uplink scheduling resource of polymerization base station assigns, the token of each UE MAC entity use priority according to calculate, wherein, P _krepresent that UE MAC entity takies the priority of token, CR _krepresent the transient data transmission rate that subscriber equipment k obtains, R _k(t) represent the actual data transfer rate of time domain after level and smooth, R _k(t) upgrade by the mode of time slide window, concrete update method is shown in following formula:

R_{k} (t + Δt) = (1 - \frac{1}{T_{c}}) R_{k} (t) + \frac{1}{T_{c}} \cdot {CR}_{k}

In this formula, Δ t is R _k(t) in the time interval of upgrading, be generally 1 subframe; CR _kfor the transient data transmission rate of subscriber equipment k acquisition; T _cfor time constant, represent the size of time slide window.

Embodiment six: exist multiple polymerizations base station for this UE distribution uplink scheduling resource, priority of logical channels processing method (four) if current;

Exist multiple polymerizations base station for this UE distribution uplink scheduling resource if current, suppose that main control base station and assistant base station are UE and distribute uplink scheduling resource, carry out priority of logical channels processing by following method:

Superpose according to the difference of data type in the data to be transmitted amount of the UE MAC of different polymerization base stations entity corresponding the same separation carrying of UE respectively, obtain the total amount of data of the data to be transmitted of every kind of data type, wherein, the total amount of data of the data to be transmitted of every kind of data type comprises the data volume of the data to be transmitted of this data type in multiple UE MAC entities;

It is the token number in the token bucket of this UE of taking of UE MAC entity partitioning according to the data to be transmitted of the total amount of data of the data to be transmitted of every kind of data type, priority and every kind of data type shared ratio in each UE MAC entity.For example, if being certain data type or bearing identification, UE MAC entity distributes the uplink scheduling resource for transmitting this data type or bearing identification data, first UE MAC entity is by this data type or bearing identification correspondence, the data to be transmitted amount on the logic channel of each UE MAC entity compares, obtain corresponding data to be transmitted ratio, then utilizing this ratio is token in each UE MAC entity partitioning token bucket, simultaneously or be this data type or bearing identification distribution uplink scheduling stock number further, last each UE MAC entity uses token number and uplink scheduling resource according to this allocation result.

In the time being the logical channel assignment uplink scheduling resource of non-separation carrying, the stock number that the UE MAC entity of main control base station is logical channel assignment be this logic channel in corresponding token bucket available token number, data volume waiting for transmission, to the minimum value in should the remaining uplink scheduling total resources of UE MAC entity of logic channel.Now, the UE MAC entity of main control base station is updated to token number corresponding to former Bj parameter by the Bj parameter of priority of logical channels processing and deducts distributed token number corresponding to uplink scheduling stock number; Or main control base station, by the UE MAC entity of corresponding this logic channel of this information notice, is updated to token number corresponding to former Bj parameter by this UE MAC entity by the Bj parameter of priority of logical channels processing and deducts divided token number corresponding to uplink scheduling stock number.

In the time of the logical channel assignment uplink scheduling resource for separating carrying, the UE MAC entity of main control base station is that the stock number that this carrying distributes is that this separation is carried on the minimum value in token number available in corresponding token bucket, data volume waiting for transmission, remaining uplink scheduling total resources.Now, the UE MAC entity of main control base station is updated to token number corresponding to former Bj parameter by the Bj parameter of priority of logical channels processing and deducts divided token number corresponding to uplink scheduling stock number.

In above-described embodiment one to embodiment six, in the time of the logical channel assignment uplink scheduling resource for this separation carrying, the logic channel of the UE MAC entity that the stock number that the UE MAC entity of main control base station is logical channel assignment is corresponding different base station available token number in corresponding token bucket, the data volume waiting for transmission of the logic channel of corresponding UE MAC entity, minimum value in the remaining uplink scheduling stock number of corresponding UE MAC entity UL-grant, now, the UE MAC entity of main control base station is updated to token number corresponding to former Bj parameter by the Bj parameter of priority of logical channels processing and deducts divided token number corresponding to uplink scheduling stock number.

Corresponding with said method, as shown in Figure 5, the embodiment of the present invention provides a kind of priority of logical channels processing unit, and this device comprises:

Token determining unit 51, token number in the token bucket of this UE taking for the UE media access control MAC entity of each polymerization base station corresponding to the user equipment (UE) under definite carrying separation scene, wherein, polymerization base station comprises main control base station and assistant base station;

Logic channel processing unit 52, for the carrying of the arbitrary separation for this UE, the token number taking according to described UEMAC entity, and the transfer of data situation of the logic channel of this carrying correspondence, carry out priority of logical channels processing.

Preferably, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, token determining unit 51 specifically for:

Preferably, token determining unit 51 in the time being defined as the ratio of the spendable logic channel of UEMAC entity of each polymerization base station of UE Resources allocation, specifically for:

Preferably, if there is the polymerization base station of PDU or the re-transmission PDU of the multiple current RLC of existence states, token determining unit 51, according to the data to be transmitted amount of multiple polymerizations base station link, is the token number in this UE token bucket of UE MAC entity partitioning of multiple polymerizations base station; Or,

Token determining unit 51 is according to transmission total amount of data and the data to be transmitted amount of multiple polymerizations base station link, determine respectively the token number allocation proportion of UE MAC entity in multiple polymerizations base stations, and be the token number in this UE token bucket of UE MAC entity partitioning of multiple polymerizations base station according to this ratio.

Concrete, token determining unit 51 and logic channel processing unit 52 can be realized by entities such as processors, and the present invention is not limited to the entity of realizing these unit.

Those skilled in the art should understand, embodiments of the invention can be provided as method, device or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.

The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (device) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.

Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims

1. a priority of logical channels processing method, is characterized in that, the method comprises:

2. the method for claim 1, is characterized in that, only has a polymerization base station to distribute uplink scheduling resource for this UE if current, and the UE MAC entity of the polymerization base station for its Resources allocation that this UE is corresponding takies in the token bucket of this UE all tokens.

3. the method for claim 1, it is characterized in that, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, determine the token number in the token bucket of this UE that the UE MAC entity of each polymerization base station that UE under carrying separation scene is corresponding takies, comprising:

4. method as claimed in claim 3, is characterized in that, is defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation, comprising:

The transfer of data situation information of the carrying that wherein, described UE MAC entity is preserved comprises one of following information or combination: the data to be transmitted amount of described UE MAC entity, transmitted data amount, transmitted data amount, data type, polymerization base station are the stock number that this UE distributes;

The transfer of data situation of described separation carrying comprises one of following information or combination: described UE MAC entity data to be transmitted amount, transmitted data amount, heavy transmitted data amount, data type, polymerization base station are the stock number that this UE distributes.

5. the method for claim 1, it is characterized in that, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, determine the token number in the token bucket of this UE that the UE MAC entity of each polymerization base station that UE under carrying separation scene is corresponding takies, comprising:

6. method as claimed in claim 5, it is characterized in that, if there is the polymerization base station of PDU or the re-transmission PDU of the multiple current RLC of existence states,, according to the data to be transmitted amount of described multiple polymerizations base station link, be the token number in this UE token bucket of UE MAC entity partitioning of described multiple polymerizations base station; Or,

According to transmission total amount of data and the data to be transmitted amount of described multiple polymerizations base station link, determine respectively the token number allocation proportion of UE MAC entity in described multiple polymerizations base stations, and be the token number in this UE token bucket of UE MAC entity partitioning of described multiple polymerizations base station according to this ratio.

7. the method for claim 1, it is characterized in that, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, determine the token number in the token bucket of this UE that the UE MAC entity of each polymerization base station that UE under carrying separation scene is corresponding takies, comprising:

Take the priority of token according to described UE MAC entity, the token number in the token bucket of this UE taking for described UE MAC entity partitioning.

8. the method for claim 1, it is characterized in that, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, determine the token number in the token bucket of this UE that the UE MAC entity of each polymerization base station that UE under carrying separation scene is corresponding takies, comprising:

9. the method for claim 1, is characterized in that, only has a polymerization base station for this UE distribution uplink scheduling resource if current, and the transfer of data situation of described logic channel comprises this logic channel data volume waiting for transmission; Or,

If exist multiple polymerizations base station for this UE distribution uplink scheduling resource current, the transfer of data situation of described logic channel comprises one of following information or combination: this logic channel data volume waiting for transmission, data type, heavy transmitted data amount, polymerization base station are the stock number that this UE distributes.

10. a priority of logical channels processing unit, is characterized in that, this device comprises:

11. devices as claimed in claim 10, is characterized in that, only have a polymerization base station to distribute uplink scheduling resource for this UE if current, and the UEMAC entity of the polymerization base station for its Resources allocation that this UE is corresponding takies in the token bucket of this UE all tokens.

12. devices as claimed in claim 10, is characterized in that, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, described token determining unit specifically for:

13. devices as claimed in claim 12, is characterized in that, described token determining unit in the time being defined as the ratio of the spendable logic channel of UE MAC entity of each polymerization base station of UE Resources allocation, specifically for:

14. devices as claimed in claim 10, is characterized in that, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, described token determining unit specifically for:

15. devices as claimed in claim 14, it is characterized in that, if there is the polymerization base station of PDU or the re-transmission PDU of the multiple current RLC of existence states, described token determining unit, according to the data to be transmitted amount of described multiple polymerizations base station link, is the token number in this UE token bucket of UE MAC entity partitioning of described multiple polymerizations base station; Or,

Described token determining unit is according to transmission total amount of data and the data to be transmitted amount of described multiple polymerizations base station link, determine respectively the token number allocation proportion of UE MAC entity in described multiple polymerizations base stations, and be the token number in this UE token bucket of UE MAC entity partitioning of described multiple polymerizations base station according to this ratio.

16. devices as claimed in claim 10, is characterized in that, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, described token determining unit specifically for:

17. devices as claimed in claim 10, is characterized in that, exist multiple polymerizations base station to distribute uplink scheduling resource for this UE if current, described token determining unit specifically for:

18. devices as claimed in claim 10, is characterized in that, only have a polymerization base station for this UE distribution uplink scheduling resource if current, and the transfer of data situation of described logic channel comprises this logic channel data volume waiting for transmission; Or,