CN103782569A - Data processing device and method - Google Patents

Abstract

An embodiment of the invention provides a data processing device and method. A plurality of RLC sub-units are configured for a logical channel, and then a plurality of independent RLC processing is performed on data on a same RB, thereby equaling that one RB is detached into a plurality of virtual RBs, so that processing of an L2 protocol upon the data is more flexible.

Description

Data processing equipment and method

Technical field

The embodiment of the present invention relates to mobile communication technology field, relates in particular to data processing equipment and method.

Background technology

Third generation partner program (The3rd generation partnership project, layer 2(L2 3GPP) defining in agreement) protocol stack comprises message convergence protocol (packet data convergence protocol, PDCP), wireless link control (radio link control, RLC) three logical levels of agreement and media access control (medium access control, MAC) agreement.Wherein, PDCP layer and rlc layer are all that MAC layer is take one or more RB as minimum target take radio bearer (radio bear, RB) as minimum target.But current L2 agreement lacks flexibility, in the process of deal with data, if this minimum target RB need to be done again to further logic fractionation time, current L2 agreement has just run into difficulty.

Summary of the invention

In view of this, the embodiment of the present invention provides a kind of data processing equipment and method, to improve the flexibility of L2 agreement when the deal with data.

First aspect, a kind of data processing equipment is provided, comprise message convergence protocol PDCP unit, wireless link control RLC unit and media access control MAC unit, described RLC unit comprises: multiple RLC subelements independent of each other, corresponding to same logic channel, wherein: in the time that described device is positioned at transmitting terminal, each RLC subelement is converted to RLC PDU for the PDCP protocol Data Unit PDU that described PDCP unit is sent to this RLC subelement, send described MAC unit to, and described PDCP unit sends the PDCP PDU of described multiple RLC subelements to corresponding to same radio bearer RB, or in the time that described device is positioned at receiving terminal, described each RLC subelement is converted to RLC SDU for the Medium Access Control (MAC) Service Data Unit SDU that described MAC unit is sent to this RLC subelement, sends described PDCP unit to.

In the possible implementation of the first of first aspect, the configuration parameter of described multiple RLC subelements is independent of one another.

In conjunction with the possible implementation of the first of first aspect or first aspect, in the possible implementation of the second of first aspect, in the time that described device is positioned at transmitting terminal, described MAC unit is used for: the RLC PDU transmitting for each RLC subelement configures corresponding MAC head, and each MAC head comprises virtual logical channel logo V-LCID, this V-LCID for identify this MAC associated RLC PDU from RLC subelement.

In conjunction with the first or the possible implementation of the second of first aspect or first aspect, in the third possible implementation of first aspect, in the time that described device is positioned at receiving terminal, described MAC unit is used for: receive the MAC PDU that opposite equip. sends, described MAC PDU comprises MAC head and MAC load, described MAC load comprises at least one opposite end RLC PDU, described MAC head comprises at least one MAC head, correspond respectively to described at least one opposite end RLC PDU, wherein, described opposite end RLC PDU comprises the first opposite end RLC PDU, the MAC head that this first opposite end RLC PDU is corresponding comprises V-LCID, this V-LCID is used for identifying one of described multiple RLC subelements, the MAC PDU of reception is converted to described at least one opposite end RLC PDU, described the first opposite end RLCPDU is sent to the RLC subelement that described V-LCID identifies.

In conjunction with one of the second of first aspect or the third possible implementation, in the 4th kind of possible implementation of first aspect, described V-LCID forms by the reserved place of MAC head; Or form by reserved LCID.

In conjunction with one of four kinds of possible implementations of the first to the of first aspect or first aspect, in the 5th kind of possible implementation of first aspect, in the time that described device is positioned at transmitting terminal, this device also comprises: Dispatching Unit, for by described from PDCP unit, corresponding to the PDCP PDU of same RB, be distributed to described multiple RLC subelement.

In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation of first aspect, described Dispatching Unit specifically for: by type of service corresponding to each PDCP PDU, each PDCP PDU is distributed to the RLC subelement that is adapted to this type of service transfer of data in described multiple RLC subelement; Or, with the mode of poll by described from PDCP unit, be distributed to described multiple RLC subelement corresponding to the PDCP PDU of same RB.

Second aspect, a kind of data transmission method is provided, be applied to the wireless link control rlc layer in sending ending equipment, described rlc layer comprises multiple RLC subelements independent of each other, and described multiple RLC subelement is corresponding to same logic channel, the method comprises: each RLC subelement receives message convergence protocol PDCP layer in described sending ending equipment and send to the PDCP protocol Data Unit PDU of this RLC subelement, wherein, the PDCP PDU that described PDCP layer sends described multiple RLC subelements to is corresponding to same radio bearer RB; Received PDCP PDU is converted to RLC PDU by each RLC subelement, sends the media access control MAC layer in described sending ending equipment to.

In the possible implementation of the first of second aspect, the configuration parameter of described multiple RLC subelements is independent of one another.

In conjunction with the possible implementation of the first of second aspect or second aspect, in the possible implementation of the second of second aspect, described method also comprises: described MAC layer is that the RLC PDU that each RLC subelement transmits configures corresponding MAC head, and each MAC head comprises virtual logical channel logo V-LCID, this V-LCID for identify this MAC associated RLC PDU from RLC subelement.

In conjunction with the possible implementation of the second of second aspect, in the third possible implementation of second aspect, described V-LCID forms by the reserved place of MAC head; Or form by reserved LCID.

In conjunction with the first of second aspect or second aspect to one of the third possible implementation, in the 4th kind of possible implementation of second aspect, each RLC subelement receives before PDCP layer in described sending ending equipment sends the PDCP PDU of this RLC subelement to, also comprises: described PDCP layer generates the described PDCP PDU corresponding to same RB; The described PDCP PDU corresponding to same RB is distributed to described multiple RLC subelement.

In conjunction with the 4th kind of possible implementation of second aspect, in the 5th kind of possible implementation of second aspect, the described PDCP PDU corresponding to same RB is distributed to described multiple RLC subelement, comprise: by type of service corresponding to each PDCP PDU, each PDCP PDU is distributed to the RLC subelement that is adapted to this type of service transfer of data in described multiple RLC subelement; Or, in the mode of poll, the described PDCP PDU corresponding to same RB is distributed to described multiple RLC subelement.

The third aspect, a kind of data transmission method is provided, be applied to the wireless link control rlc layer in receiving device, described rlc layer comprises multiple RLC subelements independent of each other, and described multiple RLC subelement, corresponding to same logic channel, comprising: each RLC subelement receives media access control MAC layer in described receiving device and send to the MAC SDU of this RLC subelement; Received MAC SDU is converted to RLC SDU by each RLC subelement, sends the message convergence protocol PDCP layer in described receiving device to.

In the possible implementation of the first of the third aspect, the configuration parameter of described multiple RLC subelements is independent of one another.

In conjunction with the possible implementation of the first of the third aspect or the third aspect, in the possible implementation of the second of the third aspect, each RLC subelement receives before MAC layer in described receiving device sends the MAC SDU of this RLC subelement to, also comprises:

MAC layer in described receiving device receives the MAC PDU that opposite equip. sends, described MAC PDU comprises MAC head and MAC load, described MAC load comprises at least one opposite end RLC PDU, described MAC head comprises at least one MAC head, correspond respectively to described at least one opposite end RLC PDU, wherein, described opposite end RLC PDU comprises the first opposite end RLC PDU, the MAC head that this first opposite end RLC PDU is corresponding comprises virtual logical channel logo V-LCID, and this V-LCID is used for identifying one of described multiple RLC subelements; Received MACPDU is converted to described at least one opposite end RLC PDU by described MAC layer; Described the first opposite end RLCPDU is sent to the RLC subelement that described V-LCID identifies by described MAC layer.

In conjunction with the possible implementation of the second of the third aspect, in the third possible implementation of the third aspect, described V-LCID forms by the reserved place of MAC head; Or form by reserved LCID.

Fourth aspect, provides a kind of computer program, comprises computer-readable medium, and described computer-readable medium comprises batch processing code, for carrying out the method as described in second aspect or any implementation of second aspect.

The 5th aspect, provides a kind of computer program, comprises computer-readable medium, and described computer-readable medium comprises batch processing code, for carrying out the method as described in the third aspect or any implementation of the third aspect.

Visible, in above apparatus and method, configure multiple RLC subelements for a logic channel, and then the data on same RB are carried out to multiple independently RLC and process, thereby be equivalent to a RB to be split as multiple virtual RB, make L2 agreement more flexible to the processing of data.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is a kind of agreement block diagram of existing communication system;

Fig. 2 is the schematic diagram of data flow under protocol infrastructure shown in a kind of Fig. 1;

The structural representation of a kind of data processing equipment that Fig. 3 provides for the embodiment of the present invention;

Fig. 4 is the structural representation of existing MAC PDU;

The schematic diagram of a kind of V-LCID that Fig. 5 provides for the embodiment of the present invention;

The schematic diagram of the another kind of V-LCID that Fig. 6 provides for the embodiment of the present invention;

The structural representation of a kind of MAC PDU that Fig. 7 provides for the embodiment of the present invention;

The structural representation of the another kind of MAC PDU that Fig. 8 provides for the embodiment of the present invention;

The structural representation of the another kind of data processing equipment that Fig. 9 provides for the embodiment of the present invention;

The flow chart of a kind of data processing method that Figure 10 provides for the embodiment of the present invention;

The flow chart of the another kind of data processing method that Figure 11 provides for the embodiment of the present invention;

The flow chart of another data processing method that Figure 12 provides for the embodiment of the present invention;

The flow chart of another data processing method that Figure 13 provides for the embodiment of the present invention;

The flow chart of another data processing method that Figure 14 provides for the embodiment of the present invention;

The structural representation of a kind of communication system that Figure 15 provides for the embodiment of the present invention;

The structural representation of the another kind of communication system that Figure 16 provides for the embodiment of the present invention;

The structural representation of a kind of base station that Figure 17 provides for the embodiment of the present invention;

The structural representation of a kind of terminal that Figure 18 provides for the embodiment of the present invention.

Embodiment

For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.

Please refer to Fig. 1, the agreement block diagram that it is a kind of existing communication system.As shown in Figure 1, the layer 2(L2 defining in 3GPP agreement) protocol stack comprises message convergence protocol (packet data convergence protocol, PDCP), wireless link control (radio link control, RLC) three logical levels of agreement and media access control (medium access control, MAC) agreement.Layer 1(L1) mainly refer to physics (PHY) layer.About the function of each logical level, below do simple declaration, it is well known to those skilled in the art, in this not explanation in detail.

At transmitting terminal, the business packet (for example, Internet Protocol (internet protocol, IP) bag) that PDCP layer is mainly used in application (APP) layer is carried out packet header compression, the invalid expense (overhead) causing to reduce heading; In addition, PDCP layer can also be used for the encryption of control plane, the integrity protection of transmission data, and for transmission according to the order of sequence or the duplicate deletion etc. of switching; Accordingly, at receiving terminal, PDCP layer is used for carrying out the operations such as corresponding deciphering and decompression.At transmitting terminal, rlc layer is mainly used in Data Segmentation and/or cascade, in addition, can also be used for the relevant operation of HARQ (automatic repeat request, ARQ), for example transmission, or sequence is sent to the more operation such as upper strata; Accordingly, at receiving terminal, rlc layer is mainly used in data recombination, operation that ARQ is relevant etc.At transmitting terminal, MAC layer is mainly used in the operations such as the scheduling of multiplexing, mixed automatic retransfer request (hybrid automatic repeat request, HARQ) re-transmission, up link and the down link of control logic channel; Accordingly, at receiving terminal, MAC layer is mainly used in demultiplexing, the HARQ re-transmission operation of Denging.Mapping/reflection that PHY layer is mainly used in coding/decoding, modulating/demodulating, antenna and resource such as penetrates at the operation.

It should be noted that, in above and following content, about the function of each logical layer, the definition with 3GPP to these protocol layers, and can be with standard agreement coevolving, improvement of the present invention does not lie in this, and its concrete operations content is not construed as limiting the invention.

Please continue to refer to Fig. 2, it is the schematic diagram of data flow under protocol infrastructure shown in a kind of Fig. 1.As shown in Figure 2, PDCP layer is encrypted after carrying out packet header compression, increases PDCP head and is used for carried terminal and deciphers required information.Rlc layer is carried out the cascade of PDCP Service Data Unit (service data unit, SDU) and/or is cut apart, and adds RLC head, identifies for rlc protocol data cell (protocol data unit, PDU) in the transmission according to the order of sequence of terminal and re-transmission situation.RLC PDU is forwarded to MAC layer, multiplexing one or more RLC PDU, and add MAC head to form MAC PDU, or be referred to as transmission block (transport block, TB).

Visible, rlc layer provides service with the form of radio bearer (radio bear, RB) to PDCP, and PDCP layer and rlc layer are all take RB as minimum target, and MAC is take one or more RB as minimum target.But current L2 agreement lacks flexibility, in the process of deal with data, if this minimum target RB need to be done again to further logic fractionation time, current L2 agreement has just run into difficulty.

For this reason, following examples adjust rlc layer, configure multiple RLC entities for a logic channel, and then the data on same RB are carried out to multiple independently RLC and process, thereby be equivalent to a RB to be split as multiple virtual RB, make L2 agreement more flexible to the processing of data.Be elaborated below in conjunction with Fig. 3.

Please refer to Fig. 3, the structural representation of its a kind of data processing equipment providing for the embodiment of the present invention.This data processing equipment 300 can be positioned at transmitting terminal, for carrying out L2 protocol processes to sent downlink data or upstream data; Also can be positioned at receiving terminal, for the upstream data or the downlink data that receive are carried out to L2 protocol processes; For example, this data processing equipment 300 can be positioned at access network elements (for example, base station), also can be positioned at terminal.As shown in Figure 3, this data processing equipment 300 comprises PDCP unit 310,320HeMAC unit, RLC unit 330.Wherein, RLC unit 320 comprises that multiple RLC subelements 321 are to 32n, and wherein, n is more than or equal to 2 positive integer.These RLC subelements are corresponding to same logic channel, and they are independent of one another, and for example configuration parameter is independent of one another.

In the time that this data processing equipment 300 is positioned at transmitting terminal, RLC subelement 321 to 32n for share from PDCP unit 310, corresponding to the PDCP PDU of same RB, and independently the PDCP PDU sharing is separately converted to RLC PDU respectively and sends MAC unit 330 to., each RLC subelement is converted to RLC PDU for the PDCP PDU that PDCP unit 310 is sent to self, send MAC unit 330 to, and the PDCP PDU that PDCP unit 310 sends RLC subelement 321 to 32n to is corresponding to same RB.

In the time that this data processing equipment 300 is positioned at receiving terminal, RLC subelement 321 to 32n is respectively used to be converted to RLC SDU from the SDU of MAC unit 330, converges to PDCP unit 310., each RLC subelement is converted to RLC SDU for the MAC SDU that MAC unit 330 is sent to self, sends PDCP unit 310 to.

Above transmitting terminal and receiving terminal can be base stations, also can terminal.In addition, transmitting terminal also can be used as receiving terminal simultaneously, accordingly, receiving terminal also can be used as transmitting terminal simultaneously, therefore, RLC subelement 321 to 32n both can be for sharing the PDCPPDU corresponding to same RB from PDCP unit 310, and independently the PDCP PDU sharing is separately converted to RLC PDU respectively and sends MAC unit 330 to; Also can, for being converted to RLC SDU from the SDU of MAC unit 330, converge to PDCP unit 310.

It should be noted that, the configuration parameter of above RLC subelement refers to that this RLC subelement completes rlc layer function, and the parameter of required configuration, for example, can comprise: the parameters such as transmission mode, transmission window.Those skilled in the art know for the composition of the configuration parameter of RLC entity, do not repeat them here, and the introducing of the configuration parameter of each RLC subelement in above embodiment (virtual RLC entity), independent of one another mainly for emphasizing their configuration parameter, and then illustrate that these RLC subelements are RLC entities independent of each other, and configuration parameter itself is not made to any restriction.That is to say, the configuration parameter of above multiple RLC subelements is independent of one another, has shown that these RLC subelements are RLC entities independently, has the same function of existing RLC entity.

In the prior art, only configure a RLC entity for a logic channel; And in embodiments of the present invention, be that a logic channel has configured multiple RLC entities (, above-described multiple RLC subelements), in order to distinguish with RLC entity of the prior art, hereinafter referred to as virtual RLC entity (V-RLC), as the V-RLC X0 to Xn in accompanying drawing; But, this " virtual " is only used for differentiation use, not these virtual RLC entities and existing RLC entity are had any different, these virtual RLC entities are the independently multiple RLC entities for same logic channel, that is to say, these virtual RLC entities are independent of one another, and have a set of configuration parameter separately.So, the PDCP PDU that same RB is corresponding can be distributed to multiple V-RLC entities and carry out independently RLC processing, splits thereby the processing of RB has been obtained to further logic, makes L2 more flexible to the processing of data.

It should be noted that, about the processing of each logical layer, for example, PDCP protocol processes, rlc protocol is processed and MAC protocol processes, the definition with 3GPP to these protocol layers, and the processing of each logical layer can be with standard agreement coevolving, improvement of the present invention does not lie in this, and its concrete operations content is not construed as limiting the invention.

In addition, unit, subelement, entity or the pseudo-entity in each embodiment of the present invention refers to functional entity or logic entity.It can be form of software, realizes its function by processor executive program code; Can be example, in hardware, the present invention do any restriction yet.

At present, at transmitting terminal, after RLC entity is converted to PDCP PDU RLC PDU and sends to MAC entity, the multiplexing one or more RLC PDU of MAC entity, and add MAC head to form TB, and transmission block is mapped to transmission channel, send to receiving terminal by the processing of PHY layer.At receiving terminal, MAC entity carries out demultiplexing according to MAC head, obtains one or more MAC SDU(, one or more RLC PDU that transmitting terminal is multiplexing), and according to the information of the each height head in MAC head, send each MAC SDU to corresponding RLC entity and process.

Please refer to Fig. 4, its be existing MAC PDU(, TB) structural representation.As shown in Figure 4, MAC PDU generally includes MAC head, 0 or more MAC SDU, and 0 or more MAC control unit (MAC control element), optional, can also comprise patch (padding).Be multiplexing RLC PDU for each MAC SDU(), in MAC head, there is an associated sub-head.A common MAC PDU head is made up of six territories (R/R/E/LCID/F/L), and can have L field is two kinds of forms of 7bit and 15bit; MAC for last height head, regular length controls unit and sub-head corresponding to patch, comprises four territories (R/R/E/LCID).

Wherein, R is reserved bit position (abbreviation reserved place), is made as " 0 "; Whether E is used to indicate MAC head multiple territories, for example, in the time of E=1, mean and next have other one group of " R/R/E/LCID " territory, works as E=0, means it has been next MAC load; Which logic channel Logic Channel Identifier (logical channel ID, LCID) originates from for identifying corresponding RLC PDU; F is used to indicate the length of L field; L is used to indicate the length of MAC SDU or control message.

Visible, multiple logic channels (wherein, each logic channel has the RLC entity of oneself) can be multiplexed into a transmission channel by MAC layer.At receiving terminal, MAC layer is processed corresponding demultiplexing, and forwards RLC PDU to its RLC entity separately.

In prior art, adopt LCID mark logic channel, due to the corresponding RLC entity of a logic channel, and then can be understood as LCID and can identify the RLC entity that this logic channel is corresponding.And after adopting above technical scheme, a logic channel can configure multiple V-RLC entities, now need to reconfigure MAC head, to make MAC entity the MAC SDU after demultiplexing can be sent to correct V-RLC entity.Specifically, can be for each V-RLC entity, for it designs the virtual LCID(V-LCID of its correspondence), and this mark is bundled in MAC head, so, MAC entity just can be sent to correct V-RLC entity by the MAC SDU after demultiplexing according to V-LCID.

Introduce the design of V-LCID below.Be noted that; below to the design of V-LCID only for for example, protection scope of the present invention is not limited to following several a limited number of design examples, those skilled in the art can point out accordingly; obtain the design of same principle and function, all within protection range of the present invention.

In the time of design V-LCID, consider the compatibility of agreement, the design of V-LCID can meet following principle:

1, with bag principle: receiving terminal can be resolved V-LCID from MAC PDU, without the object of other delivery V-LCID information.

2, capacity principle: the span of V-LCID must can meet scene demand.

In addition, in the time of design V-LCID, the binding of the LCID that multiple V-LCID of the V-RLC entity that same logic channel is corresponding are corresponding with this logic channel.This binding relationship can be realized in MAC head, also can realize by restriction relation, specifically will in following example, describe in detail.

From with bag principle, two kinds of basic V-LCID design examples are below described:

Scheme one: please refer to Fig. 4 and Fig. 5, two reserved places " R " conduct in the MAC head of use MAC PDU and the V-LCID of protocol-compliant.

The capacity of this form V-LCID is 4, under a LCID, has four V-RLC entities that V-LCID=0/1/2/3 is corresponding to bind with LCID.

Scheme two: please refer to table 1, it is a kind of form of existing LCID value.Adopt " N " individual reserved LCID as V-LCID, and regulation V-LCID is fixing corresponding to LCID+N, i.e. V-LCID=LCID+N.Wherein, N is natural number.As shown in Figure 6, its to have provided N be 10 or 8 example.

Table 1

The capacity of this plan V-LCID is 1, under a LCID, has a V-RLC entity corresponding to V-LCID to bind with LCID.Cost is to need N the LCID being reserved at present.

Considering generally only can be to Data Radio Bearer (data radio bearer, DRB) create V-RLC entity, and the DRB quantity of a terminal of 3GPP agreement regulation is 8 to the maximum, enable " 01011-10010 " and can meet the demands as the fixing corresponding V-LCID of 8 DRB, be i.e. V-LCID=LCID+8.

It should be noted that, the V-LCID=LCID+8 of this programme is comparatively simple realization method of one.In fact, as long as there are the mapping relations of clear and definite and efficient V-LCID and LCID, can form the scheme that is applicable to virtual RLC technology, and under the protection of this programme.

If the capacity of two schemes does not meet scene demand above, scheme one and scheme two can be applied simultaneously so, at this moment the capacity of V-LCID is 5.

After adopting the scheme of above structure V-LCID, MAC entity can be according to V-LCID, MAC PDU is resolved to after MAC SDU, find correct V-RLC entity, to complete the parsing of RLCPDU to RLC SDU, and then the SDU of multiple virtual RLC entities is sent to correct PDCP entity completes PDCP protocol processes.

It should be noted that, above the design of V-LCID is considered and the compatibility of existing protocol, obtain the V-LCID with prior art compatibility, but, the present invention is not restricted to this, the form that also can redesign to each V-RLC MAC head, as long as MAC entity is according to the information of this MAC head, is sent to corresponding RLC entity by associated MAC SDU.

Now, increase at the MAC of transmitting terminal layer the function of V-LCID being inserted to MAC PDU, be called for short virtual packing (vPack) function; Increase the function that according to V-LCID, MAC SDU is submitted to correct V-RLC entity at the MAC of receiving terminal layer, be called for short virtual delivery (vDeliver) function.

Be elaborated below in conjunction with Fig. 3, in the embodiment shown in fig. 3, in the time that this device 300 is positioned at transmitting terminal, MAC unit 330 is multiplexed with at least one MAC PDU specifically for the RLC PDU that multiple logic channels are sent.Wherein, can be all multiplexed with a MAC PDU corresponding to the RLC PDU of the logic channel of RLC subelement 321-32n, also can be by fractional reuse, generate multiple MAC PDU, and in the MAC PDU generating, can also comprise the RLC PDU of other logic channel; In the multiplex process of MAC unit 330, for example do not limit the PDU(of which RLC subelement, the PDU of RLC subelement all or part) together multiplexing, whether do not limit together with multiplexing the RLCPDU of the RLC PDU of logic channel corresponding the plurality of RLC subelement and other logic channel yet.Each MAC PDU specifically with the identical structure shown in Fig. 4, comprise MAC head and MAC load.

When adopting above scheme one, utilize two reserved places " R " structure V-LCID in MAC head, the every height head in MAC head comprises i.e. two reserved places " R " of V-LCID(), E, LCID etc.Now, please refer to Fig. 7, MAC PDU(or TB) comprise MAC head and MAC load, described MAC head comprises at least one MAC head, described MAC load comprises that at least one RLC PDU(is MAC SDU), the corresponding RLC PDU of each MAC head.Can know the RLC PDU of the different V-RLC entities of can the be multiplexing same logic channel of MAC, RLC PDU that also can multiplexing Different Logic channel by above description; And the RLCPDU of the different V-RLC entities of same logic channel can be multiplexing in a MAC PDU, also can be multiplexing in different MAC PDU.Therefore, the included RLC PDU of MAC load in this MAC PDU can be all from V-RLC entity, also can be partly from V-RLC entity, certainly, also can not comprise the RLC PDU from V-RLC entity, for example,, from the RLC PDU of existing RLC entity (, its counterlogic channel is only provided with a RLC entity).Wherein, same as the prior art with the associated son of RLC PDU from existing RLC entity, do not discuss at this.In the time that MAC load comprises the RLC PDU from V-RLC entity, in the MAC head corresponding at the RLC PDU sending with V-RLC entity, " RR " field is replaced by " V-LCID " field, and MAC head corresponding to RLC PDU sending with V-RLC entity comprises V-LCID.

When adopting above scheme two, adopt " N " individual reserved LCID as V-LCID, and regulation V-LCID is fixing corresponding to LCID+N, i.e. V-LCID=LCID+N.Now, please refer to Fig. 8, in the MAC head corresponding at the RLC PDU sending with V-RLC entity, " LCID " field is replaced by " V-LCID " field of binding with it, and MAC head corresponding to RLC PDU sending with V-RLC entity comprises V-LCID.

Visible, in an embodiment of the present invention, in the time that above device 300 is positioned at transmitting terminal, MAC unit 330 can be for: the RLC PDU transmitting for each RLC subelement configures corresponding MAC head, and each MAC configuring head comprises V-LCID, this V-LCID for identify this MAC associated RLC PDU from RLC subelement.

In further embodiment of this invention, in the time that above device 300 is positioned at receiving terminal, the MAC PDU that MAC unit 330 can send for receiving opposite equip., this MAC PDU has the structure shown in Fig. 3, comprise MAC head and MAC load, MAC load comprises at least one opposite end RLC PDU, and MAC head comprises at least one MAC head, corresponds respectively at least one opposite end RLC PDU.Unlike the prior art, MAC head comprises at least one MAC head unlike the prior art, comprise the MAC head (for example, the MAC head as shown in Fig. 7 or Fig. 8) of V-LCID, and this V-LCID is used for identifying one of above multiple RLC subelement 321-32n.At this, claim to comprise that opposite end RLC PDU corresponding to MAC head of V-LCID is the first opposite end RLC PDU.MAC unit 330 further can be for being converted to the MAC PDU of reception at least one opposite end RLC PDU; The first opposite end RLC PDU is sent to corresponding RLC subelement, and this corresponding RLC subelement refers to the RLC subelement that in the MAC head that the first opposite end RLC PDU is corresponding, V-LCID identifies.

Can be with reference to Fig. 7 and two kinds of designs corresponding to Fig. 8, the V-LCID in the present embodiment can form by the reserved place of MAC head; Also can form by reserved LCID.Specifically please refer to above description, do not repeat them here.

It should be noted that, for the sake of clarity, Fig. 7 and Fig. 8 have omitted F with respect to Fig. 4, fields such as L, and also not embodying about the polytype of son head, but this is only the improvement in order to highlight the present embodiment and omitting, not for limiting the present invention.

In addition, except adopting the mode of above V-LCID can make MAC layer that the MAC PDU that eats dishes without rice or wine to receive is resolved to after MAC SDU, can find corresponding V-RLC entity, can also adopt other mode to process.For example, adopt the mode of other flag bit to process, relatively large for the impact of agreement with respect to the mode of above V-LCID.

Please continue to refer to Fig. 9, in further embodiment of this invention, in the time that above device 300 is positioned at transmitting terminal, this device can also comprise Dispatching Unit 340, for by from PDCP unit 310, be distributed to RLC subelement 321-32n corresponding to the PDCP PDU of same RB., PDCP unit 310 transmits PDCP PDU by Dispatching Unit 340 to each RLC subelement.

It should be noted that, the function of Dispatching Unit 340 can be embedded in PDCP unit 310, directly by PDCP unit 310, the PDCP PDU of its generation is distributed; Dispatching Unit 340 also can independently exist, and can be positioned at PDCP layer, also can be positioned at rlc layer, sends the PDCP PDU of generation to Dispatching Unit 340 by PDCP unit 310, is then distributed to by Dispatching Unit 340.RLC subelement 321-32n.

In addition, the ways of distribution of Dispatching Unit 340 can have multiple, for example, poll granting between multiple RLC subelements simply, also can introduce the subfunction of complicated lifting robustness, as with consult flow process and be combined, in the time that certain RLC subelement performance is not good, delete or revise this RLC subelement; For another example, can also be by type of service corresponding to PDCP PDU, the PDCP PDU of different service types is distributed to different RLC subelements, by type of service corresponding to each PDCP PDU, each PDCP PDU is distributed to the RLC subelement that is adapted to this type of service transfer of data in above multiple RLC subelement 321-32n.In a word, the present invention does not do any restriction to the form of distribution.

Please continue to refer to Figure 10, the embodiment of the present invention also provides a kind of data processing method.The method is carried out L2 processing for transmitting terminal to data.This transmitting terminal can be access network elements (for example, base station), can be also terminal.Specifically, the method is applied to the rlc layer in sending ending equipment, and this rlc layer has the structure that above device embodiment provides, and comprise multiple RLC subelements independent of each other, and these RLC subelements is corresponding to same logic channel.As shown in figure 10, the method at least comprises the steps:

S101: each RLC subelement receives PDCP layer in described sending ending equipment and send to the PDCP PDU of this RLC subelement, and wherein, described PDCP layer sends the PDCP PDU of described multiple RLC subelements to corresponding to same RB;

S102: received PDCP PDU is converted to RLC PDU by each RLC subelement, sends the MAC layer in described sending ending equipment to.

The RLC PDU that MAC layer further can transmit rlc layer carries out multiplexing process, and in multiplexing process process, is the sub-head of each RLC PDU configuration management, comprises that the RLC PDU that each RLC subelement is transmitted configures sub-head.It should be noted that, the RLCPDU that each RLC subelement transmits can be one, can be also multiple.Specifically, please continue to refer to Figure 11, the flow chart of its another kind of data processing method providing for the embodiment of the present invention, the method, except comprising the step S101 shown in Figure 10 and S102, also comprises the steps:

S111:MAC layer is that the RLC PDU that each RLC subelement transmits configures corresponding MAC head, and each MAC head comprises V-LCID, this V-LCID be used for identifying this MAC associated RLC PDU from RLC subelement.

Please continue to refer to Figure 12, the flow chart of its another data processing method providing for the embodiment of the present invention.The method, with the method shown in Figure 10 and Figure 11, is carried out L2 processing for transmitting terminal to data.This transmitting terminal can be access network elements (for example, base station), can be also terminal.As shown in figure 12, the method comprises the steps:

S121:PDCP layer generates multiple PDCP PDU, and described multiple PDCP PDU are corresponding to same RB;

S122: described multiple PDCP PDU are distributed to multiple RLC subelements of rlc layer, described multiple RLC subelements are independent of one another and corresponding to same logic channel;

S123: described multiple RLC subelements are independently converted to RLC PDU by the PDCP PDU getting separately respectively and send MAC layer to.

In order more clearly to understand above process, be now described in detail above process in conjunction with Fig. 2, comprise the steps:

PDCP layer generates PDCP PDU, and wherein, the PDCP PDU generating comprises the multiple PDCP PDU corresponding to same radio bearer; For example, two PDCPPDU(corresponding to RB1 shown in Fig. 2 are referred to as a PDCP PDU and the 2nd PDCP PDU below).

Send generated PDCP PDU to rlc layer; Unlike the prior art, this rlc layer comprises multiple RLC subelements, described multiple RLC subelement is corresponding to same logic channel, and independently of one another, this step further comprises: described multiple PDCP PDU corresponding to same RB are distributed to described multiple RLC subelement; For example, the PDCP PDU corresponding to RB1 and the 2nd PDCP PDU are distributed to a RLC subelement and the 2nd RLC subelement in described multiple RLC subelement.

Rlc layer receives the PDCP PDU transmitting, and received PDCP PDU is converted to RLCPDU sends MAC layer to, further comprises: described multiple RLC subelements are independently converted to RLC PDU by the PDCP PDU getting separately respectively and send MAC layer to; For example, a RLC subelement and the 2nd RLC subelement independently carry out rlc protocol processing (for example, cascade and/or cut apart) to a PDCP PDU and the 2nd PDCP PDU, obtain separately at least one RLC PDU and send MAC layer to.

It should be noted that, although the quantity of above RLC subelement and the quantity corresponding to the PDCP PDU of same RB are all used multiple statements, it can be identical, also can be different.Specifically, can be configured according to actual needs.For example,, according to the number of the kind configuration RLC subelement of business in same RB.Further, can be according to the business that is different from kind for the requirement of transmission mode and the PDCP PDU in same RB is divided into the group that need to carry out UM transmission, need to carry out the group of AM transmission.The PDCP PDU of each group gives the RLC subelement of corresponding transmission mode.Certainly, if the data of a group are many, also can, corresponding to the vertical multiple RLC subelements of this establishment, not do any restriction at this, those skilled in the art can set as required.

It should be noted that, ways of distribution in above S102 can have multiple, for example, poll granting between multiple RLC subelements simply, also can introduce the subfunction of complicated lifting robustness, as being combined with consulting flow process, in the time that certain RLC subelement performance is not good, delete or revise this RLC subelement; For another example, can also, by type of service corresponding to described multiple PDCP PDU, described multiple PDCP PDU be distributed to multiple RLC subelements of rlc layer.For example, the PDCP PDU of same type of service can be distributed to a RLC subelement, also can be by different service types but require identical PDCP PDU to be distributed to a RLC subelement to transmission mode.In a word, the present invention does not do any restriction to the form of distribution.

In addition, the present embodiment can further include the step S111 shown in Figure 11, and MAC layer is the process of each RLC PDU configuration MAC head.

Please continue to refer to Figure 13, the embodiment of the present invention also provides another kind of data processing method.The method is carried out L2 processing for receiving terminal to data.This receiving terminal can be terminal, can be also access network elements (for example, base station).Specifically, the method is applied to the rlc layer in receiving device, and described rlc layer has the structure that above device embodiment provides, and comprises multiple RLC subelements independent of each other, and described multiple RLC subelement is corresponding to same logic channel.As shown in figure 13, the method comprises the steps:

S131: each RLC subelement receives MAC layer in described receiving device and send to the MAC SDU of this RLC subelement;

S132: received MAC SDU is converted to RLC SDU by each RLC subelement, sends the PDCP layer in described receiving device to.

Each RLC subelement receives MAC SDU, is that MAC layer demultiplexing obtains and send to this RLC subelement.Specifically, please refer to Figure 14, the flow chart of its another data processing method providing for the embodiment of the present invention.As shown in figure 14, before the step S131 shown in Figure 13, also comprise the steps:

S141:MAC layer receives the MAC PDU that opposite equip. sends, this MAC PDU comprises MAC head and MAC load, MAC load comprises at least one opposite end RLC PDU, MAC head comprises at least one MAC head, correspond respectively to described at least one opposite end RLC PDU, wherein, opposite end RLCPDU comprises the first opposite end RLC PDU, the MAC head that this first opposite end RLC PDU is corresponding comprises V-LCID, and this V-LCID is used for identifying one of above multiple RLC subelements;

Received MAC PDU is converted at least one opposite end RLCPDU wherein by S142:MAC layer;

The first opposite end RLC PDU is sent to the RLC subelement that V-LCID identifies by S143:MAC layer.

V-LCID in each embodiment of the method is consistent with the description in above device embodiment above, does not repeat them here.

In each embodiment of the method, for the data on same RB, can there be multiple RLC subelements (V-RLC entity) to carry out independently RLC to it and process above, split thereby the processing of RB has been obtained to further logic, make L2 more flexible to the processing of data.

Please refer to Figure 15, the structural representation of its a kind of communication system providing for the embodiment of the present invention.In the present embodiment, describe as an example of downlink data transmission example, uplink is similar with it, does not repeat them here.As shown in figure 15, in the present embodiment, base station is as transmitting terminal, and its PDCP layer receives the business packet of APP layer, business packet is carried out to the PDCP protocol processes such as packet header compression, generates PDCPPDU.Because each business packet has its corresponding RB, the PDCP PDU generating has its corresponding RB, and can have multiple corresponding to the PDCP PDU of same RB.RLC receives PDCP PDU, the row cache of going forward side by side.And PDCP SDU carried out cascade and/or cut apart, and add the first-class protocol processes of RLC, generating RLC PDU.In prior art, the PDCP PDU that same RB is corresponding sends the RLC entity that same logic channel is corresponding to and processes, and the present embodiment configures multiple V-RLC entities to a logic channel, the plurality of V-RLC entity can be shared the PDCPPDU that same RB is corresponding, and each V-RLC entity carries out rlc protocol processing to the PDCP PDU sharing separately, generate at least one RLC PDU and be sent to MAC layer, the multiplexing one or more RLC PDU of MAC layer, and add MAC head to form TB.And MAC layer is processed and is transferred to terminal by eat dishes without rice or wine (UU) through PHY layer after TB is mapped to transmission channel.The PHY layer of terminal receives the data that base station sends, and through PHY protocol processes, sends MAC layer to, and MAC layer will receive TB demultiplexing, obtain multiple SDU, send corresponding RLC subelement to, converge to PDCP layer by RLC subelement.

In above embodiment, be that a logic channel has configured multiple V-RLC entities independent of each other, so, the PDCP PDU that same RB is corresponding can be distributed to multiple V-RLC entities and carry out independently RLC processing, split thereby the processing of RB has been obtained to further logic, make L2 more flexible to the processing of data.This processing of RB is carried out to further logic fractionation, in different application scenarioss, will bring more beneficial effect.

For example, in service quality (Quality of Service, QoS) controlling mechanism, at present, the basic granularity that QoS controls is RB, and the data flow on identical RB ensures obtaining identical QoS, as scheduling strategy, and buffering queue management, link layer configuration etc.Although Long Term Evolution (long term evolution, LTE) Radio Access Network provides one or more RB according to QoS demand for IP packet, but in same RB, still may exist transmission mode is required to different multiple business data, and cannot carry out differentiation processing to these business datums.For example, QoS class letter (QoS class identifier, QCI) be in 9 carrying, can have video buffer Streaming Media and based on transmission control protocol (transmission control protocol, TCP) business, such as World Wide Web (WWW) (www), Email (e-mail) and chat (chart) business etc.And these business may be different to the requirement of propagation delay time and the error rate, thus also just different to the requirement of transmission mode.For example, for delay sensitive, and the lower business of error rate requirement, be more suitable for using non-confirmation (UM) pattern to complete transmission; Not high for delay requirement, but the business of error rate sensitivity is more suitable for using and confirms that (AM) pattern completes transmission.

In the time that the business of these different transmission modes requirements is mapped in same RB, existing L2 agreement cannot be carried out to these business differentiation processing in transmission mode, QoS problem while causing the business of different transmission requirements to be mapped in same carrying, user experiences not good, and should adopt UM and in the actual situation that adopts AM pattern, base station is processed in resource and has been produced waste.For example, in Fig. 2, can be transmitted to same RLC entity corresponding to two PDCP PDU of RB1 processes.If these two PDCP PDU are corresponding to different types of service, and requirement difference to transmission mode, for example one is for delay sensitive, and the error rate requires lower business (for example, the VOIP business of Skype class or real-time network video traffic); One is not high for delay requirement, but the business of error rate sensitivity (for example, e-mail business).Now, RLC entity cannot carry out differentiation processing to the PDCP PDU of this two classes business.

And after adopting the technical scheme that above embodiment provides, because a logic channel can configure multiple V-RLC entities, can carry out multiple independently RLC for the PDCP PDU of same RB processes, thereby be equivalent to RB to be split as virtual RB, realized the differentiation processing in transmission mode to different business in same carrying.

The transmission mode of each V-RLC entity support is one or more in following transmission mode: affirmation mode (acknowledgement mode, AM), Unacknowledged Mode (un-acknowledgement mode, UM) and transparent mode (transport mode, TM).Wherein, for delay sensitive, and the lower business of error rate requirement, be more suitable for completing transmission with Unacknowledged Mode; Not high for delay requirement, but the business of error rate sensitivity is more suitable for completing transmission with affirmation mode.Specifically, each virtual RLC entity can configure the transmission mode of its support in the time setting up according to type of service.

For another example, introduce carrier aggregation (Carrier Aggregation, CA) after technology, each component carrier (Component Carrier, CC) only visible at MAC layer, PDCP layer and rlc layer are not distinguished main carrier (Primary Component Carrier, and auxiliary carrier wave (Secondary Component Carrier PCC), SCC), therefore, for the business packet of certain terminal after PDCP processes, do not start immediately it to carry out RLC processing, but starting RLC, the MAC scheduling result of waiting for each CC of this terminal processes, generate RLC PDU, then send MAC layer to be distributed to each CC.In the time that the Base-Band Processing locational space of each CC distributes difference, when particularly distant, for example, (for example belong to different veneers, different veneers under same base station, or veneer under different machine frames under same base station, or veneer in different base station), the propagation delay time of RLC wait time delay before treatment and PDU is longer, is difficult to meet the requirement of real-time to base station at present.

And after adopting the technical scheme that above embodiment provides, because a logic channel can configure multiple V-RLC entities, therefore, data that can be corresponding to different CC can be carried out independently RLC and be processed, thereby each V-RLC entity can be waited for the MAC scheduling result of other CC, process and only start RLC according to the scheduling result of its corresponding CC, requirement of real-time is met.

In addition, because each CC is visible at MAC layer, under the scene of CA, can transfer to different CC to process different Business Streams, thereby meet the differentiation processing requirements to different kinds of business data in same RB in a upper scene.Now, because MAC layer can be distinguished each CC, also it is self-existent for each CC can be understood as MAC entity, therefore, can not introduce V-LCID, that is to say that MAC layer does not need to make any change with respect to prior art yet, receiving terminal can directly arrive correct V-RLC, RLC and PDCP entity by each MAC entity by data.

Take the scene shown in Figure 16 as example, when after terminal access, base station can be distributed to different business message different CC and complete transmission.For example, the data flow higher requirement of real times such as VOIP (message) is distributed to certain corresponding V-RLC entity from PDCP, uses RLC UM pattern to transmit; E-mail etc. is distributed to another V-RLC entity to the higher data flow of the error rate from PDCP, uses RLC AM pattern to transmit.

Above method and apparatus goes for straddle CA, and CC disposes across baseband board; Also go for the not CA of straddle, CC is deployed on same baseband board.In the time being applied at straddle CA, process the requirement of bandwidth and processing speed between plate or between station is greatly reduced, because the PDCP of base station is after generating PDCP PDU, just can at once message be mail to each V-RLC entity and be cached wait scheduling, and without waiting for that scheduling corresponding to each CC completes, carrying out rlc protocol processing after returning to scheduling result.In addition, the business real-time of VOIP and other real time business stream is effectively guaranteed.

In addition, in single subdistrict under non-CA scene, certain RB also can fictionalize the Business Stream of UM and two kinds of RLC mode of operations of AM, and wherein UM is for the transmission of real time business (as VOIP or real-time video), and AM is used for the transmission of the business (as common TCP business) higher to the error rate etc.

In above embodiment, a V-RLC entity can be held consultation and be set up by transmitting terminal and receiving terminal, and for example, base station and terminal are to this initiation and complete negotiation.

Can select the arbitrarily reasonably moment opportunity of consulting to initiate, such as, under service differentiation scene, in the time that VOIP or real-time video traffic occur, can trigger negotiation flow process, set up virtual RLC entity; Also can delete at any time this virtual RLC entity, or change the protocol parameter of virtual RLC entity.For another example,, under CA scene, when the newly-increased Liao Yigefu community (SCell) of UE, and this SCell is while being provided by another piece veneer outside the veneer of place, main plot (PCell), can trigger negotiation flow process; Also can, in the time that certain virtual RLC entity performance is not good, deletes this virtual RLC entity, or change the parameter of this RLC entity.

Negotiation flow process can be divided into terminal capability and obtain flow process (flow process one) and virtual RLC entity management (flow process two) flow process:

Flow process one: whether terminal is to base station reporting terminal capacity (support virtual RLC, support which kind of scheme---such as scheme one or the scheme two supported above, or two schemes are all supported) in the time of initial access.Or base station is inquired about to terminal initiating capacity when needed.This flow process can be used existing terminal capacity report, querying flow, in terminal capability cell, increase virtual RLC ability relevant information, for example increase " terminal is supported V-LCID scheme one (Scheme1) " and " terminal is supported V-LCID scheme two (Scheme2) " two ability Warning Marks, also can only use a mark, expression terminal is supported two kinds of V-LCID schemes simultaneously.

Flow process two: set up, revise or delete virtual RLC entity in base station and terminal., specify the binding relationship of LCID and V-LCID, the Scheme Choice of clear and definite V-LCID.This flow process can be used existing Radio Resource control (radio resource control, RRC) reprovision flow process.After virtual RLC entity is set up, base station and terminal all can arrange mark, represent that certain carries virtual RLC entity.

It should be noted that, the processor that above unit or entity can be independent of base station or terminal with the form of hardware arranges separately, and for example, the form of setting can be the form of microprocessor, and can arrange separately, also can partly or entirely integrate setting.In addition, above unit or entity also can be embedded in certain processor of base station or terminal with example, in hardware, can also be stored in certain memory of base station or terminal with form of software, carry out above unit or operation corresponding to entity so that the respective processor of base station or terminal is called this software.Above processor can be CPU (CPU), microprocessor, single-chip microcomputer etc.

Please continue to refer to Figure 17, the structural representation of its a kind of base station providing for the embodiment of the present invention.As shown in figure 17, this base station 170 comprises transmitter 172, receiver 171, memory 173 and the processor 174 being connected with transmitter 172, receiver 171 and memory 173 respectively.Certainly, base station can also comprise the universal components such as antenna, Base-Band Processing parts, middle radio frequency processing parts, input/output unit, and the embodiment of the present invention is in this no longer any restriction.In addition, transmitter 172 and receiver 171 can integrate formation transceiver.

Wherein, in memory, store batch processing code, and processor 174 is for calling the program code of memory 173 storage, for carrying out the data processing method described in above embodiment of the method any one.For example,, in the time that this base station 170 is transmitting terminal, for carrying out the method for the corresponding embodiment of above Figure 10, Figure 11 or Figure 12.In the time that this base station is receiving terminal, for carrying out the method for the corresponding embodiment of above Figure 13 or Figure 14.

Please continue to refer to Figure 18, the structural representation of its a kind of terminal providing for the embodiment of the present invention.As shown in figure 18, this terminal 180 comprises transmitter 182, receiver 181, memory 183 and the processor 184 being connected with transmitter 182, receiver 181 and memory 183 respectively.Certainly, terminal can also comprise the universal components such as antenna, Base-Band Processing parts, middle radio frequency processing parts, input/output unit, and the embodiment of the present invention is in this no longer any restriction.In addition, transmitter 182 and receiver 181 can integrate formation transceiver.

Wherein, in memory, store batch processing code, and processor 184 is for calling the program code of memory 183 storage, for carrying out the data processing method described in above embodiment of the method any one.For example,, in the time that this terminal 180 is transmitting terminal, for carrying out the method for the corresponding embodiment of above Figure 10, Figure 11 or Figure 12.In the time that this terminal is receiving terminal, for carrying out the method for the corresponding embodiment of above Figure 13 or Figure 14.

Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize with hardware, or firmware realization, or their compound mode realizes.In the time using software to realize, one or more instructions or the code that above-mentioned functions can be stored in computer-readable medium or on computer-readable medium transmit.Computer-readable medium comprises computer-readable storage medium and communication media, and wherein communication media comprises any medium of being convenient to transmit from a place to another place computer program.Storage medium can be any usable medium that computer can access.As example but be not limited to: computer-readable medium can comprise RAM, ROM, EEPROM, CD-ROM or other optical disc storage, magnetic disk storage medium or other magnetic storage apparatus or can be used in carry or store the expectation with instruction or data structure form program code and can be by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.For example, if software be use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DSL) or the wireless technology such as infrared ray, radio and microwave from website, server or the transmission of other remote source, so coaxial cable, optical fiber cable, twisted-pair feeder, DSL or the wireless technology such as infrared ray, wireless and microwave be included under in the photographic fixing of medium.As used in the present invention, dish (Disk) and dish (disc) comprise compression laser disc (CD), laser dish, laser disc, digital universal laser disc (DVD), floppy disk and Blu-ray Disc, the copy data of the common magnetic of its mid-game, dish carrys out the copy data of optics with laser.Within combination above also should be included in the protection range of computer-readable medium.

In a word, the foregoing is only the preferred embodiment of technical solution of the present invention, be not intended to limit protection scope of the present invention.All within principle of the present invention, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (19)

1. a data processing equipment, is characterized in that, comprises message convergence protocol PDCP unit, wireless link control RLC unit and media access control MAC unit, and described RLC unit comprises:

Multiple RLC subelements independent of each other, corresponding to same logic channel, wherein:

In the time that described device is positioned at transmitting terminal, each RLC subelement is converted to RLC PDU for the PDCP protocol Data Unit PDU that described PDCP unit is sent to this RLC subelement, send described MAC unit to, and the PDCP PDU that described PDCP unit sends described multiple RLC subelements to is corresponding to same radio bearer RB; Or

In the time that described device is positioned at receiving terminal, described each RLC subelement is converted to RLC SDU for the Medium Access Control (MAC) Service Data Unit SDU that described MAC unit is sent to this RLC subelement, sends described PDCP unit to.

2. device according to claim 1, is characterized in that, the configuration parameter of described multiple RLC subelements is independent of one another.

3. device according to claim 1 and 2, is characterized in that, in the time that described device is positioned at transmitting terminal, described MAC unit is used for:

The RLC PDU transmitting for each RLC subelement configures corresponding MAC head, and each MAC head comprises virtual logical channel logo V-LCID, this V-LCID be used for identifying this MAC associated RLC PDU from RLC subelement.

4. according to the device described in claims 1 to 3 any one, it is characterized in that, in the time that described device is positioned at receiving terminal, described MAC unit is used for:

Receive the MAC PDU that opposite equip. sends, described MAC PDU comprises MAC head and MAC load, described MAC load comprises at least one opposite end RLC PDU, described MAC head comprises at least one MAC head, correspond respectively to described at least one opposite end RLC PDU, wherein, described opposite end RLC PDU comprises the first opposite end RLC PDU, the MAC head that this first opposite end RLC PDU is corresponding comprises V-LCID, and this V-LCID is used for identifying one of described multiple RLC subelements;

The MAC PDU of reception is converted to described at least one opposite end RLC PDU;

Described the first opposite end RLC PDU is sent to the RLC subelement that described V-LCID identifies.

5. according to the device described in claim 3 or 4, it is characterized in that, described V-LCID forms by the reserved place of MAC head; Or form by reserved LCID.

6. according to the device described in claim 1 to 5 any one, it is characterized in that, in the time that described device is positioned at transmitting terminal, this device also comprises:

Dispatching Unit, for by described from PDCP unit, corresponding to the PDCP PDU of same RB, be distributed to described multiple RLC subelement.

7. device according to claim 6, is characterized in that, described Dispatching Unit specifically for:

By type of service corresponding to each PDCP PDU, each PDCP PDU is distributed to the RLC subelement that is adapted to this type of service transfer of data in described multiple RLC subelement; Or,

With the mode of poll by described from PDCP unit, be distributed to described multiple RLC subelement corresponding to the PDCP PDU of same RB.

8. a data processing method, is characterized in that, is applied to the wireless link control rlc layer in sending ending equipment, and described rlc layer comprises multiple RLC subelements independent of each other, and described multiple RLC subelement is corresponding to same logic channel, and the method comprises:

Each RLC subelement receives message convergence protocol PDCP layer in described sending ending equipment and sends to the PDCP protocol Data Unit PDU of this RLC subelement, wherein, the PDCP PDU that described PDCP layer sends described multiple RLC subelements to is corresponding to same radio bearer RB;

Received PDCP PDU is converted to RLC PDU by each RLC subelement, sends the media access control MAC layer in described sending ending equipment to.

9. method according to claim 8, is characterized in that, the configuration parameter of described multiple RLC subelements is independent of one another.

10. method according to claim 8 or claim 9, is characterized in that, also comprises:

Described MAC layer is that the RLC PDU that each RLC subelement transmits configures corresponding MAC head, and each MAC head comprises virtual logical channel logo V-LCID, this V-LCID be used for identifying this MAC associated RLC PDU from RLC subelement.

11. methods according to claim 10, is characterized in that, described V-LCID forms by the reserved place of MAC head; Or form by reserved LCID.

Method described in 12. according to Claim 8 to 11 any one, is characterized in that, each RLC subelement receives before PDCP layer in described sending ending equipment sends the PDCP PDU of this RLC subelement to, also comprises:

Described PDCP layer generates the described PDCP PDU corresponding to same RB;

The described PDCP PDU corresponding to same RB is distributed to described multiple RLC subelement.

13. methods according to claim 12, is characterized in that, the described PDCP PDU corresponding to same RB is distributed to described multiple RLC subelement, comprising:

By type of service corresponding to each PDCP PDU, each PDCP PDU is distributed to the RLC subelement that is adapted to this type of service transfer of data in described multiple RLC subelement; Or,

The described PDCP PDU corresponding to same RB is distributed to described multiple RLC subelement by mode with poll.

14. 1 kinds of data processing methods, is characterized in that, are applied to the wireless link control rlc layer in receiving device, and described rlc layer comprises multiple RLC subelements independent of each other, and described multiple RLC subelement is corresponding to same logic channel, comprising:

Each RLC subelement receives media access control MAC layer in described receiving device and sends to the MAC SDU of this RLC subelement;

Received MAC SDU is converted to RLC SDU by each RLC subelement, sends the message convergence protocol PDCP layer in described receiving device to.

15. methods according to claim 14, is characterized in that, the configuration parameter of described multiple RLC subelements is independent of one another.

16. according to the method described in claims 14 or 15, it is characterized in that, each RLC subelement receives before MAC layer in described receiving device sends the MAC SDU of this RLC subelement to, also comprises:

MAC layer in described receiving device receives the MAC PDU that opposite equip. sends, described MACPDU comprises MAC head and MAC load, described MAC load comprises at least one opposite end RLC PDU, described MAC head comprises at least one MAC head, correspond respectively to described at least one opposite end RLCPDU, wherein, described opposite end RLC PDU comprises the first opposite end RLC PDU, the MAC head that this first opposite end RLCPDU is corresponding comprises virtual logical channel logo V-LCID, and this V-LCID is used for identifying one of described multiple RLC subelements;

Received MAC PDU is converted to described at least one opposite end RLC PDU by described MAC layer;

Described the first opposite end RLC PDU is sent to the RLC subelement that described V-LCID identifies by described MAC layer.

17. methods according to claim 16, is characterized in that, described V-LCID forms by the reserved place of MAC head; Or form by reserved LCID.

18. 1 kinds of computer programs, comprise computer-readable medium, and described computer-readable medium comprises batch processing code, for carrying out the method as described in claim 8-13 any one.

19. 1 kinds of computer programs, comprise computer-readable medium, and described computer-readable medium comprises batch processing code, for carrying out the method as described in claim 14-17 any one.

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