CN102118858A

CN102118858A - Method, system and device for allocating logical channel identifiers (LCID) and determining logical channels

Info

Publication number: CN102118858A
Application number: CN2009102175086A
Authority: CN
Inventors: 谌丽; 鲍炜
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2009-12-31
Filing date: 2009-12-31
Publication date: 2011-07-06
Anticipated expiration: 2029-12-31
Also published as: CN102118858B

Abstract

The embodiment of the invention relates to a radio communication technology, in particular to a method, a system and a device for allocating logical channel identifiers (LCID) and determining logical channels, which are used for making the LCIDs as long as a long term evolution (LTE) system capable of identifying the logical channels more than the logical channels identified by the LTE system. The method provided by the embodiment of the invention comprises the following steps that: a node B (NB) divides the logical channels corresponding to a plurality of radio bearers (RB) corresponding to relay node (RN) equipment into two groups, allocates different logical channel group identifiers to each group, and allocates the LCIDs to the logical channels corresponding to each of the plurality of RBs corresponding to the each group, wherein the LCIDs of the logical channel corresponding to the each RB in the same group are different; the NB establishes a correspondence relationship between an RB identifier and a logical signal identifier, wherein the logical channel identifier includes the LCIDs and the logical channel group identifiers; and the NB informs the RN equipment of the correspondence relationship. By the method provided by the embodiment of the invention, the performance of a changed system architecture can be guaranteed.

Description

The mthods, systems and devices of assignment logic channel number and definite logic channel

Technical field

The present invention relates to wireless communication technology, the mthods, systems and devices of particularly a kind of assignment logic channel number and definite logic channel.

Background technology

LTE-A (Long Term Evolution-Advanced, long-term evolution upgrading) system has defined with lower node, interface and link after introducing Relay (relaying) node, shown in Figure 1A,

Node comprises:

Donor-eNB: with RN (relaying) equipment the eNB (evolution base station) of wireless connections is arranged, be abbreviated as DeNB;

Relay-Node: be present in the entity between DeNB and the UE, be abbreviated as RN equipment;

Relay-UE: the UE with RN equipment carries out data interaction is abbreviated as R-UE;

Grand UE: directly and the DeNB UE that carries out data interaction.

Interface comprises:

Un interface: the interface between RN equipment and the DeNB;

Interface between Uu interface: UE and the RN equipment.

Radio Link comprises:

Backhaul link: back haul link, with Un interface link corresponding;

Access link: access link, with Uu interface link corresponding;

Direct link: the direct projection link, DeNB and grand UE carry out the link of transfer of data.

Downlink transfer behind the introducing RN equipment: the data that arrive UE under the RN equipment need send to RN equipment through descending back haul link by DeNB, send to UE by RN equipment through descending access link again.

Uplink behind the introducing RN equipment: the uplink of UE sends to RN equipment by UE through up access link earlier under the RN equipment, sends to DeNB by RN equipment through back haul link again.

At present, in LTE (Long Term Evolution, Long Term Evolution) system and LTE-A system, each RB (Radio Bearer, radio bearer) corresponding logic channel, each logic channel needs the LCID (Logical Channel ID, logical channel number) of a correspondence to identify.

At LTE (Long Term Evolution, Long Term Evolution) in the system, MAC (Media AccessControl, the medium access control) layer has the multiplexing function of logic channel, data organization to a MAC PDU (MAC Protocol Data Unit with a plurality of logic channels, Medium Access Control (MAC) Protocol Data Unit) in, passes to physical layer and send.

The general structure of MAC PDU is shown in Figure 1B, in the structural representation of MAC PDU, MACPDU comprises MAC head (MAC header), 0 or a plurality of Medium Access Control (MAC) Service Data Unit (MAC SDU), 0 or a plurality of MAC Control Element (MAC CE) and optional filling bit (padding).

Wherein, MAC PDU head comprises one or more son heads (sub-header), corresponding MAC SDU, MAC CE (control unit) of each MAC head or padding.

The MAC head of MAC SDU correspondence adopts 7bit L territory shown in Fig. 1 C, adopts 15bit L territory shown in Fig. 1 D; The MAC head of MAC CE correspondence is shown in Fig. 1 E.

Every kind of MAC territory that comprises and concrete implication are had nothing in common with each other, and common territory comprises in the MAC head:

LCID: be used to identify the logic channel entity of MAC SDU or the type or the padding (filling) of MAC Control Element.

E (extension field): whether indication MAC back at place in the MAC head has follow-up territory.

R (reserved bit): be used for the subsequent applications expansion, size is 2bits, because some embodiment of the present invention can utilize reserved bit, so can be as required with this bit of different namings, such as the ratio top grade in using the embodiment of reserved bit.

F (format field): the length of indication L.

L (Length Indication territory): be used to indicate the length of MAC SDU or MAC Control Element, unit is byte.

In the LTE system, the quantity of RB is few at present, and LCID can identify the logic channel of each RB correspondence, but continuous variation along with system architecture, such as at LTE-A, need the quantity of expansion RB, make the number of LCID can not identify the logic channel of each RB correspondence.

In sum, the quantity of LCID can not satisfy the demand of RB expansion at present, causes LCID can't identify the logic channel of each RB correspondence.

Summary of the invention

The embodiment of the invention provides a kind of method and apparatus of assignment logic channel logo, satisfies the demand of RB expansion in order to the quantity that guarantees LCID, thereby makes the LCID with LTE system equal length can identify the logic channel number that is identified greater than the LTE system.

The embodiment of the invention provides a kind of mthods, systems and devices of definite logic channel, in order to when the service dispatching, makes the logic channel of each the RB correspondence after receiving terminal can be determined to expand.

The method of a kind of assignment logic channel logo that the embodiment of the invention provides, this method comprises:

The base station is divided at least two groups with the logic channel of a plurality of radio bearer RB correspondences of via node RN equipment correspondence, be the different logic channel group id of each set of dispense, be logical channel assignment logical channel number LCID of each the RB correspondence among the corresponding a plurality of RB of each group, the LCID difference of the logic channel of each RB correspondence in wherein same group;

The corresponding relation of RB sign and Logic Channel Identifier is set up in described base station, and wherein Logic Channel Identifier comprises logical channel number LCID and logic channel group id;

The method of a kind of definite logic channel that the embodiment of the invention provides, this method comprises:

Transmitting terminal is according to the corresponding relation of radio bearer RB sign and Logic Channel Identifier, definite corresponding Logic Channel Identifier of RB sign that needs the RB of transmission, wherein Logic Channel Identifier comprises logic channel group id and logical channel number LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group;

Described transmitting terminal sends the Logic Channel Identifier of determining to receiving terminal, indicates described receiving terminal to determine corresponding logic channel according to the Logic Channel Identifier of correspondence.

Distribution module, be used for the logic channel of a plurality of radio bearer RB correspondences of via node RN equipment correspondence is divided at least two groups, be the different logic channel group id of each set of dispense, be logical channel assignment logical channel number LCID of each the RB correspondence among the corresponding a plurality of RB of each group, the LCID difference of the logic channel of each RB correspondence in wherein same group;

Set up module, be used to set up the corresponding relation of RB sign and Logic Channel Identifier, wherein Logic Channel Identifier comprises logical channel number LCID and logic channel group id;

Notification module is used for described corresponding relation notice RN equipment.

A kind of base station that the embodiment of the invention provides, this base station comprises:

Distribution module, be used for a plurality of radio bearer RB of via node RN equipment correspondence are divided at least two groups, be the different group id of each set of dispense, and be the logical channel assignment logical channel number LCID of each RB correspondence in each group, the LCID difference of the logic channel of each RB correspondence in wherein same group;

Set up module, be used to set up the corresponding relation of RB sign and Logic Channel Identifier, wherein Logic Channel Identifier comprises the LCID of the logic channel of the group id of RB place group of RB sign of this Logic Channel Identifier correspondence and this RB correspondence;

The system of a kind of definite logic channel that the embodiment of the invention provides, this system comprises:

Transmitting apparatus, be used for corresponding relation according to radio bearer RB sign and Logic Channel Identifier, definite corresponding Logic Channel Identifier of RB sign that needs the RB of transmission, send the Logic Channel Identifier of determining, wherein Logic Channel Identifier comprises logic channel group id and logical channel number LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group;

Receiving equipment is used for determining corresponding logic channel according to described Logic Channel Identifier.

A kind of transmitting apparatus that the embodiment of the invention provides, this transmitting apparatus comprises:

The Logic Channel Identifier determination module, be used for corresponding relation according to radio bearer RB sign and Logic Channel Identifier, definite corresponding Logic Channel Identifier of RB sign that needs the RB of transmission, wherein Logic Channel Identifier comprises logic channel group id and logical channel number LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group;

Sending module is used for sending the Logic Channel Identifier of determining to receiving equipment, indicates described receiving equipment to determine corresponding logic channel according to the Logic Channel Identifier of correspondence.

A kind of receiving equipment that the embodiment of the invention provides, this receiving equipment comprises:

Receiver module, be used for the receive logic channel logo, wherein Logic Channel Identifier comprises logic channel group id and logical channel number LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group;

Processing module is used for determining corresponding logic channel according to the Logic Channel Identifier of receiving.

Embodiment of the invention base station is divided at least two groups with the logic channel of a plurality of RB correspondences of RN equipment correspondence, be the different logic channel group id of each set of dispense, be logical channel assignment LCID of each the RB correspondence among the corresponding a plurality of RB of each group, the LCID difference of the logic channel of each RB correspondence in wherein same group; With the corresponding relation notice RN equipment of RB sign and Logic Channel Identifier, wherein Logic Channel Identifier comprises logical channel number LCID and logic channel group id.Because logical channel number is carried out Packet Multiplexing, thereby make the LCID with LTE system equal length can identify the logic channel number that is identified greater than the LTE system; Further guaranteed the performance after system architecture changes.

Embodiment of the invention transmitting terminal is according to the corresponding relation of RB sign and Logic Channel Identifier, definite corresponding Logic Channel Identifier of RB sign that needs the RB of transmission, send the Logic Channel Identifier of determining to receiving terminal, receiving terminal is determined corresponding logic channel according to the Logic Channel Identifier of correspondence.Because the corresponding RB sign of group id in the Logic Channel Identifier and LCID can make the logic channel of each the RB correspondence after receiving terminal can be determined to expand when service dispatching, thereby the efficient and the success rate of RB expansion back transmission have been improved.

Description of drawings

Figure 1A is the structural representation of LTE-A system in the background technology;

Figure 1B is a MAC PDU structural representation in the background technology;

Fig. 1 C is the MAC header structure schematic diagram of the MAC SDU correspondence in 7bit L territory in the background technology;

Fig. 1 D is the MAC header structure schematic diagram of the MAC SDU correspondence in 15bit L territory in the background technology;

Fig. 1 E is the MAC header structure schematic diagram of MAC CE correspondence in the background technology;

Fig. 2 is the structural representation of embodiment of the invention base station;

Fig. 3 is the method flow schematic diagram of embodiment of the invention assignment logic channel logo;

Fig. 4 determines the system configuration schematic diagram of logic channel for the embodiment of the invention;

Fig. 5 is the structural representation of embodiment of the invention transmitting apparatus;

Fig. 6 is the structural representation of embodiment of the invention receiving equipment;

Fig. 7 determines the method flow schematic diagram of logic channel for the embodiment of the invention;

Fig. 8 is first kind of the embodiment of the invention with MAC the schematic diagram of reserved bit as group id;

Fig. 9 A is second kind of the embodiment of the invention with MAC the schematic diagram of reserved bit as group id;

Fig. 9 B is MAC the schematic diagram of the third usefulness reserved bit of the embodiment of the invention as group id;

Figure 10 A is MAC the schematic diagram that first kind of the embodiment of the invention carried group id;

Figure 10 B is MAC the schematic diagram that second kind of the embodiment of the invention carried group id;

Figure 10 C be the embodiment of the invention the third carry MAC schematic diagram of group id;

Figure 11 A is that the embodiment of the invention is with the schematic diagram of group id as independent MAC head;

Figure 11 B is the MAC PDU schematic diagram that the embodiment of the invention is introduced independent MAC head;

Figure 12 is the method flow schematic diagram of embodiment of the invention transmitting downlink data.

Embodiment

In specific implementation process, the middle embodiment of the invention is applicable to the LCID (being that length is 5bit) of LTE system, also be applicable to the LCID of other LTE+ systems (being the follow-up system of LTE), the embodiment of the invention can make the LCID with LTE+ system equal length can identify the logic channel number that is identified greater than the LTE+ system.

Certainly, the embodiment of the invention is not limited to LTE and LTE+ system, and other have the system of LCID all to be suitable for the embodiment of the invention, and the embodiment of the invention can make the LCID with a certain system equal length can identify the logic channel number that identifies greater than this system.

Because the embodiment of the invention not on the same group the LCID of logic channel can be identical, as long as the quantity of the logic channel of each group is not more than the quantity of available LCID, after RB is expanded, only need the quantity of increase group, the quantity that just can guarantee current LCID satisfies the demand after the RB expansion.

Below in conjunction with Figure of description the embodiment of the invention is described in further detail.

As shown in Figure 2, the base station of the embodiment of the invention comprises: distribution module 1, set up module 2 and notification module 3.

Distribution module 1, be used for the logic channel of a plurality of RB correspondences of RN equipment correspondence is divided at least two groups, be the different logic channel group id of each set of dispense, be logical channel assignment LCID of each the RB correspondence among the corresponding a plurality of RB of each group, the LCID difference of the logic channel of each RB correspondence in wherein same group.

Wherein, distribution module 1 can be divided into groups to a plurality of RB earlier, to RB grouping and distribute RB group id and RB number mode and identify identical with the mode of LCID to logic channel grouping and assignment logic channel group.

The corresponding logic channel of each RB is equal to logic channel is divided into groups; Can be each RB set of dispense RB group id then,, again each RB group id be distributed corresponding logic channel group id for each RB among the corresponding a plurality of RB of each RB group distributes RB number.RB group id difference between wherein any two RB group is organized the RB difference between interior two RB, not the RB of RB on the same group number can be identical can be different.

Set up module 2, be used to set up the corresponding relation of RB sign and Logic Channel Identifier, wherein Logic Channel Identifier comprises LCID and logic channel group id.

Concrete, Logic Channel Identifier comprises the logic channel group id of the group correspondence at the LCID of logic channel of RB correspondence of RB sign of this Logic Channel Identifier correspondence and this logic channel place; RB sign comprises RB group id and RB number.

Notification module 3 is used for and will sets up the RB sign of module 2 foundation and the corresponding relation notice RN equipment of Logic Channel Identifier.

The RN equipment of notice is the RN equipment of the base station services of the embodiment of the invention.

Wherein, what groups are distribution module 1 specifically be divided into RB, and have what RB to set as required in every group.

Distribution module 1 is when allocation identification, and the logic channel group id difference (the RB group id is also inequality) between any two groups is organized the LCID difference between interior two logic channels, not the LCID of logic channel on the same group can be identical can be different.

Preferable, the logic channel of the time that distribution module 1 can be set up according to RB grade or RB with a plurality of RB correspondences of RN equipment is divided at least two groups.

Concrete, if distribution module 1 is divided into groups according to the RB grade, distribution module 1 can the RB grade is close the logic channel of RB correspondence be divided into one group, such as 5 RB are arranged, need be divided into two groups, two logic channels of one group of needs wherein, another group needs three logic channels, and the grade of 5 RB is respectively 1,2,3,4,5; Distribution module 1 can be divided into one group with the logic channel of the RB correspondence of grade 1 and 2, and the logic channel of grade 3,4 and 5 RB correspondence is divided into one group.

If the time packet that distribution module 1 is set up according to RB, distribution module 1 can be divided into groups from front to back or from back to front according to the sequencing of time.Such as 5 RB are arranged, need be divided into two groups, two logic channels of one group of needs wherein, another group needs 3 logic channels, and be respectively RB1, RB2, RB3, RB4, RB5 the settling time of 5 RB from front to back; If according to grouping from back to front, then distribution module 1 can be divided into the logic channel of RB4 and RB5 correspondence one group, the logic channel of RB1, RB2 and RB3 correspondence is divided into one group.

Further, if certain RB discharges, corresponding LCID distributes to the logic channel of the RB correspondence of new access.Though the RB number is a lot of so in theory, may simultaneous number in the realization not necessarily a lot, the business of scheduling may be only in one or two grouping simultaneously, thereby can improve the efficient of scheduling.

Wherein, the logic channel group id can be a bit information, also can be RNTI (Cell RadioNetwork Temporary Identifier, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI).

If the logic channel group id is a bit information, then the length of bit information can be determined according to the quantity of the group of dividing, and divides 3 groups such as needs, then can adopt 2bit, such as 00,01 and 10.Divide 10 groups if desired, then can adopt 4bit.

Because RNTI is the exclusive sign of RN equipment in the sub-district, be used for the PDCCH dispatching command is carried out scrambling, thereby identification is at the scheduling of different RN equipment, so each RN equipment has only a RNTI, if the logic channel group id is RNTI, then distribution module 1 also needs to be a plurality of RNTI of RN devices allocation, and wherein the quantity of the RNTI of Fen Peiing is not less than the quantity of group.If a plurality of RN equipment are arranged, the RNTI that distributes to each RN equipment should be inequality.

RNTI for RN equipment also can adopt other titles, and is identical with RNTI in realization such as C-RNTI, RN-RNTI, and just the title difference does not repeat them here.

Wherein, notification module 3 can pass through high-level signaling (such as RRC (Radio Resource Control, Radio Resource control) signaling), with the corresponding relation notice RN equipment of RB sign and Logic Channel Identifier.

Need to prove that the embodiment of the invention is not limited to above-mentioned advice method, other can notify corresponding relation the mode of RN equipment all to be suitable for the embodiment of the invention.

In specific implementation process, the function of embodiment of the invention base station also can be realized by other network equipments.

As shown in Figure 3, the method for embodiment of the invention assignment logic channel logo comprises the following steps:

Step 301, base station are divided at least two groups with the logic channel of a plurality of RB correspondences of RN equipment correspondence, be the different logic channel group id of each set of dispense, be logical channel assignment LCID of each the RB correspondence among the corresponding a plurality of RB of each group, the LCID difference of the logic channel of each RB correspondence in wherein same group.

Wherein, can divide into groups to a plurality of RB earlier in the base station, and the corresponding logic channel of each RB is equal to logic channel is divided into groups; Can be each RB set of dispense RB group id then,, again each RB group id be distributed corresponding logic channel group id for each RB among the corresponding a plurality of RB of each RB group distributes RB number.

RB group id difference between any two RB group is organized the RB difference between interior two RB, not the RB of RB on the same group number can be identical can be different.

The corresponding relation of RB sign and Logic Channel Identifier is set up in step 302, base station, and wherein Logic Channel Identifier comprises LCID and logic channel group id.

Step 303, base station are with the RB sign of foundation and the corresponding relation notice RN equipment of Logic Channel Identifier.

The RN equipment of notice is the RN equipment of base station services.

In the step 301, what groups the base station specifically is divided into RB, and has what RB to set as required in every group.

The base station is when allocation identification, and the logic channel group id difference (the RB group id is also inequality) between any two groups is organized the LCID difference between interior two logic channels, not the LCID of logic channel on the same group can be identical can be different.

Preferable, the time that the base station can be set up according to RB grade or RB, a plurality of RB with RN equipment were divided at least two groups.

Concrete, if distribution module 1 is divided into groups according to the RB grade, the base station can the RB grade is close the logic channel of RB correspondence be divided into one group, such as 5 RB are arranged, need be divided into two groups, two logic channels of one group of needs wherein, another group needs three logic channels, and the grade of 5 RB is respectively 1,2,3,4,5; Distribution module 1 can be divided into one group with the logic channel of the RB correspondence of grade 1 and 2, and the logic channel of grade 3,4 and 5 RB correspondence is divided into one group.

If the time packet that distribution module 1 is set up according to RB, can divide into groups from front to back or from back to front according to the sequencing of time in the base station.Such as 5 RB are arranged, need be divided into two groups, two logic channels of one group of needs wherein, another group needs 3 logic channels, and be respectively RB1, RB2, RB3, RB4, RB5 the settling time of 5 RB from front to back; If according to grouping from back to front, then distribution module 1 can be divided into the logic channel of RB4 and RB5 correspondence one group, the logic channel of RB1, RB2 and RB3 correspondence is divided into one group.

Wherein, the logic channel group id can be a bit information, also can be RNTI.

In the step 303, high-level signaling (such as the RRC signaling) can be passed through in the base station, with the corresponding relation notice RN equipment of RB sign and Logic Channel Identifier.

As shown in Figure 4, the embodiment of the invention determines that the system of logic channel comprises: transmitting apparatus 10 and receiving equipment 20.

Transmitting apparatus 10, be used for corresponding relation according to RB sign and Logic Channel Identifier, definite corresponding Logic Channel Identifier of RB sign that needs the RB of transmission, and the definite Logic Channel Identifier of transmission, wherein Logic Channel Identifier comprises logic channel group id and LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group.

Wherein, the RB sign in the transmitting apparatus 10 and the corresponding relation of Logic Channel Identifier can adopt the mode of Fig. 2 to set up, and also can adopt other modes to set up.

Receiving equipment 20 is used to receive the Logic Channel Identifier from transmitting apparatus 10, determines corresponding logic channel according to the Logic Channel Identifier of receiving.

If transmitting apparatus 10 is base stations, then receiving equipment 20 is a RN equipment, and transmitting apparatus 10 can comprise all functions in the base station of embodiment of the invention Fig. 2; If transmitting apparatus 10 is a RN equipment, then receiving equipment 20 is base stations, and receiving equipment 20 can comprise all functions in the base station of embodiment of the invention Fig. 2.

Wherein, the logic channel group id of RB group id correspondence can be a bit information, can be RNTI also, describes respectively below.

Mode one, logic channel group id are RNTI.

1, transmitting apparatus 10 is base stations, and receiving equipment 20 is a RN equipment.

Transmitting apparatus 10 is after having determined Logic Channel Identifier, adopt RNTI scrambling PDCCH (the physical downlink control channel in the Logic Channel Identifier, Physical Downlink Control Channel) dispatching command, send the PDCCH dispatching command that adopts the RNTI scrambling in the Logic Channel Identifier of determining to receiving equipment 20, and send the MACPDU that comprises the LCID in definite Logic Channel Identifier to receiving equipment 20.

Accordingly, receiving equipment 20 is determined Logic Channel Identifier according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MACPDU that receives, and the logic channel of definite Logic Channel Identifier correspondence.

Such as transmitting apparatus 10 is that receiving equipment 20 distributes RNTI1 and RNTI2, when transmitting apparatus 10 usefulness RNTI1 to the scrambling of PDCCH dispatching command, the MAC PDU indication scheduling of PDCCH scheduling be the MAC SDU of LCID=01010 the time, what transmit between transmitting apparatus 10 and the receiving equipment 20 is the data of RB1; When transmitting apparatus 10 usefulness RNTI2 to the scrambling of PDCCH dispatching command, the MAC PDU of PDCCH scheduling indication scheduling be the MAC SDU of LCID=01010 the time, what transmit between transmitting apparatus 10 and the receiving equipment 20 then is the data of RB2.

2, transmitting apparatus 10 is a RN equipment, and receiving equipment 20 is base stations.

At first, receiving equipment 20 is according to the corresponding relation of RB sign and Logic Channel Identifier, and definite RB of the RB of reception that needs identifies corresponding logic channel group id, adopts the PDCCH dispatching command of definite RNTI scrambling to transmitting apparatus 10 transmissions.

Secondly, transmitting apparatus 10 is determined Logic Channel Identifier according to the RNTI of scrambling PDCCH dispatching command and the corresponding relation of RB sign and Logic Channel Identifier, sends the MAC PDU that comprises the LCID in definite Logic Channel Identifier to receiving equipment 20.

Wherein, transmitting apparatus 10 is according to RNTI, from the corresponding relation of RB sign and Logic Channel Identifier, find the corresponding RB group id of Logic Channel Identifier (being RNTI), determine the RB group from the RB group id of correspondence then, need in the RB group to determine to transmit the logic channel of the RB of data then, find the LCID of this logic channel correspondence.

Transmitting apparatus 10 is included in the LCID that determines and sends to receiving equipment 20 among the MAC PDU.

At last, receiving equipment 20 is determined Logic Channel Identifier, and is determined corresponding logic channel according to the Logic Channel Identifier of determining according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MACPDU that receives.

Mode two, logic channel group id are bit informations.

For the logic channel group id is bit information, and transmitting apparatus 10 has multiple send mode.

1, transmitting apparatus 10 MAC head that the logic channel group id in the Logic Channel Identifier of determining and LCID are placed MAC PDU is to receiving equipment 20 transmissions.

Owing among MAC reservation (R) bit is arranged, thus can be with reserved bit as the logic channel group id, specifically can be referring to Fig. 8, Fig. 9 A and Fig. 9 B.Such benefit is the length of extended MAC head not, but because the reserved bit limited length, so be merely able to represent 4 logic channel group ids.

If do not adopt reserved bit, then need the length of extended MAC head, be that 1byte is an example with logic channel group id length, specifically referring to Figure 10 A～10C, G-ID presentation logic channel group sign among the figure.

Need to prove, be example among the figure, and the position of G-ID is not to be positioned at second byte, and other positions that are positioned at MAC head are suitable for the embodiment of the invention equally.

Accordingly, receiving equipment 20 is determined Logic Channel Identifier according to logic channel group id and LCID in the MAC head of MAC PDU, according to the Logic Channel Identifier of determining, determines corresponding logic channel.

Top mode all is that each logic channel group id and a LCID bind together, dispatch a plurality of RB in the group if desired, then only need to send a logic channel group id, with respect to saving resource with the mode of a logic channel group id of each LCID binding.

Concrete, during a plurality of RB of transmitting apparatus 10 in group of needs scheduling, with the logic channel group id of this group of determining as MAC MAC head that places MAC PDU independently, the LCID of the logic channel of a plurality of RB correspondences in this group of determining is placed MAC of MAC PDU, send MAC PDU to receiving equipment 20, one of them LCID places a MAC head.

Owing to need a plurality of RB in group of scheduling can determine a plurality of Logic Channel Identifiers, and the logic channel group id in each Logic Channel Identifier is all identical, so can be with the logic channel group id as a MAC head independently, be called logic channel grouping MAC head, specifically referring to Figure 11 A.Logic channel grouping MAC is positioned at ad-hoc location, as all SDU foremosts of corresponding MAC or backmost, and specifically can be referring to Figure 11 B.

LCID in each definite Logic Channel Identifier is inequality certainly, so can place LCID the logic channel grouping head MAC head afterwards of Figure 11 B, in each MAC head a LCID is arranged.

Accordingly, receiving equipment 20 according in the MAC head of MAC PDU as the LCID among the logic channel group id of MAC head and other MAC, determine a plurality of Logic Channel Identifiers, wherein the logic channel group id in each Logic Channel Identifier is identical; Receiving equipment 20 is determined corresponding logic channel according to a plurality of Logic Channel Identifiers of determining.

If 2 transmitting apparatus 10 are base stations, receiving equipment 20 is a RN equipment.

Transmitting apparatus 10 places DCI (Downlink Control Information with the logic channel group id in the Logic Channel Identifier of determining, Downlink Control Information) is used to dispatch the data of a logic channel group in, LCID in the Logic Channel Identifier of determining is placed the MAC head of MAC PDU, to receiving equipment 20 transmission DCI and MAC PDU.

By in the DCI form, adding the indication territory of logic channel group id, can realize not on the same group scheduling.For example, if maximum 4 of number of grouping then increases the indication territory of 2bit logic channel group id in DCI, be used to indicate the logic channel group id.

Accordingly, receiving equipment 20 is determined Logic Channel Identifier according to the Logic Channel Identifier of determining according to the LCID in the MAC head of logic channel group id among the DCI and MAC PDU, definite corresponding logic channel.

If transmitting apparatus 10 is a RN equipment, receiving equipment 20 is base stations.

At first, receiving equipment 20 is according to the corresponding relation of RB sign and Logic Channel Identifier, definite corresponding logic channel group id of RB sign that needs the RB of reception places DCI to send definite logic channel group id, and DCI is used to dispatch the data of a logic channel group.

Secondly, transmitting apparatus 10 is determined Logic Channel Identifier according to the corresponding relation of the logic channel group id among the DCI and RB sign and Logic Channel Identifier, sends the MAC PDU that comprises the LCID in definite Logic Channel Identifier to receiving equipment 20.

Wherein, transmitting apparatus 10 is according to the logic channel group id among the DCI, from the corresponding relation of RB sign and Logic Channel Identifier, find the RB group id of Logic Channel Identifier correspondence, determine the RB group from the RB group id of correspondence then, need in the RB group to determine to transmit the logic channel of the RB of data then, find the LCID of this logic channel correspondence.

At last, receiving equipment 20 is determined Logic Channel Identifier according to the LCID in the MAC head of logic channel group id among the DCI and the MAC PDU that receives, and according to the Logic Channel Identifier of determining, determines corresponding logic channel.

In specific implementation process, receiving equipment 20 can also be according to the corresponding relation of RB sign and Logic Channel Identifier after receiving Logic Channel Identifier, determines the RB sign of the Logic Channel Identifier correspondence received, and determines the RB of correspondence according to the RB sign of determining.Receiving equipment 20 can be according to the RB that determines then, and the data of the logic channel determined are sent to high level.

In specific implementation process, need to guarantee that the RB that transmitting apparatus 10 and receiving equipment 20 use identifies identical with the corresponding relation of Logic Channel Identifier.

As shown in Figure 5, embodiment of the invention transmitting apparatus comprises: Logic Channel Identifier determination module 100 and sending module 110.

Logic Channel Identifier determination module 100, be used for corresponding relation according to RB sign and Logic Channel Identifier, definite corresponding Logic Channel Identifier of RB sign that needs the RB of transmission, wherein Logic Channel Identifier comprises logic channel group id and LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group.

Sending module 110 is used for sending the Logic Channel Identifier of determining to receiving terminal, and the indication receiving terminal is determined corresponding logic channel according to Logic Channel Identifier.

If the logic channel group id is RNTI, transmitting apparatus is the base station;

Sending module 110 sends physical downlink control channel PDCCH dispatching command that adopts the RNTI scrambling in the Logic Channel Identifier of determining and the MAC PDU that comprises the LCID in definite Logic Channel Identifier to receiving terminal.

If the logic channel group id is RNTI, transmitting apparatus is a RN equipment;

Logic Channel Identifier determination module 100 is determined Logic Channel Identifier according to the RNTI of the scrambling PDCCH dispatching command of receiving and the corresponding relation of RB sign and Logic Channel Identifier;

Sending module 110 sends the MACPDU that comprises the LCID in definite Logic Channel Identifier to receiving terminal.

Wherein, MAC of the logic channel group id in the Logic Channel Identifier of determining and LCID can be placed MAC PDU of sending module 110 sends to receiving terminal.Further, sending module 110 with the reserved bit in the MAC head as the logic channel group id.

Sending module 110 can be when needs send the data of a plurality of logic channels in the logic channel group, with this logic channel group id of determining as MAC MAC head that places MAC PDU independently, the LCID of a plurality of logic channels in this group of determining is placed the MAC head of MAC PDU, send MAC PDU to receiving equipment, one of them LCID places a MAC head.

If transmitting apparatus is the base station, sending module 110 can place DCI to be used to dispatch the data of a logic channel group logic channel group id in the Logic Channel Identifier of determining, LCID in the Logic Channel Identifier of determining is placed the MAC head of MAC PDU, to receiving terminal transmission MAC PDU.

If transmitting apparatus is a RN equipment, sending module 110 can be according to the corresponding relation of RB sign and Logic Channel Identifier and from the logic channel group id among the DCI of receiving terminal, determine Logic Channel Identifier, send the MAC PDU that comprises the LCID in definite Logic Channel Identifier to receiving terminal.

As shown in Figure 6, embodiment of the invention receiving equipment comprises: receiver module 200 and processing module 210.

Receiver module 200, be used to receive Logic Channel Identifier from transmitting apparatus, wherein Logic Channel Identifier comprises logic channel group id and logical channel number LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group.

Processing module 210 is used for determining corresponding logic channel according to the Logic Channel Identifier of receiving.

If the logic channel group id is RNTI, transmitting apparatus is the base station.

Processing module 200 is according to the corresponding relation of RB sign and Logic Channel Identifier, definite corresponding logic channel group id of RB sign that needs the RB of reception, send the PDCCH dispatching command that adopts the RNTI scrambling of determining to transmitting apparatus, according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MAC PDU that receives, determine Logic Channel Identifier, and determine corresponding logic channel according to the Logic Channel Identifier of determining.

If the logic channel group id is RNTI, transmitting apparatus is a RN equipment.

Processing module 210 is determined Logic Channel Identifier according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MAC PDU that receives.

Wherein, processing module 200 can be determined Logic Channel Identifier according to logic channel group id and the LCID in the MAC head of MAC PDU, according to Logic Channel Identifier, determines corresponding logic channel.Further processing module 200 with the reserved bit in MAC as the logic channel group id.

Processing module 200 can according in the MAC head of MAC PDU as the LCID among the logic channel group id of MAC head and other MAC, determine a plurality of Logic Channel Identifiers, wherein the logic channel group id in each Logic Channel Identifier is identical, according to a plurality of Logic Channel Identifiers of determining, determine corresponding logic channel

If receiving equipment is a RN equipment, processing module 200 can be determined Logic Channel Identifier according to the LCID in the MAC head of logic channel group id among the DCI and MAC PDU, according to the Logic Channel Identifier of determining, determines corresponding logic channel.

If receiving equipment is a RN equipment, processing module 200 can be according to the corresponding relation of RB sign and Logic Channel Identifier, definite corresponding logic channel group id of RB sign that needs the RB of reception, place DCI to send the logic channel group id of determining, according to the LCID in the MAC head of logic channel group id among the DCI and the MAC PDU that receives, determine Logic Channel Identifier, and, determine corresponding logic channel according to the Logic Channel Identifier of determining.

Processing module 200 also is used for the corresponding relation according to RB sign and Logic Channel Identifier, determines the RB sign of the Logic Channel Identifier correspondence received, and determines the RB of correspondence according to the RB sign of determining.

Wherein, the function of the function of embodiment of the invention Fig. 6 transmitting apparatus and Fig. 6 receiving equipment can be combined in the entity, and then this entity comprises whole modules of transmitting apparatus and receiving equipment.

As shown in Figure 7, the embodiment of the invention determines that the method for logic channel comprises the following steps:

Step 701, transmitting apparatus are according to the corresponding relation of RB sign and Logic Channel Identifier, definite corresponding Logic Channel Identifier of RB sign that needs the RB of transmission, wherein Logic Channel Identifier comprises logic channel group id and LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group.

Wherein, the RB sign in the transmitting apparatus and the corresponding relation of Logic Channel Identifier can adopt the mode of Fig. 3 to set up, and also can adopt other modes to set up.If adopt the mode of Fig. 3 to set up, then can comprise the step of Fig. 3 before the step 701.

Step 702, transmitting apparatus send the Logic Channel Identifier of determining to receiving equipment, and the indication receiving equipment is determined corresponding logic channel according to the Logic Channel Identifier of receiving.

Wherein, can further include after the step 702:

Step 703, receiving equipment are determined corresponding logic channel according to the Logic Channel Identifier of receiving.

If transmitting apparatus 10 is base stations, then receiving equipment 20 is a RN equipment; If transmitting apparatus 10 is a RN equipment, then receiving equipment 20 is base stations.

Mode one, logic channel group id are RNTI.

1, transmitting apparatus is the base station, and receiving equipment is a RN equipment.

In the step 701, transmitting apparatus is after having determined Logic Channel Identifier, adopt the logic channel group id RNTI scrambling PDCCH dispatching command in the Logic Channel Identifier, send the PDCCH dispatching command that adopts the RNTI scrambling in the Logic Channel Identifier of determining to receiving equipment, and send the MAC PDU that comprises the LCID in definite Logic Channel Identifier to receiving equipment.

Accordingly, in the step 703, receiving equipment is determined Logic Channel Identifier according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MAC PDU that receives, and the logic channel of definite Logic Channel Identifier correspondence.

2, transmitting apparatus is a RN equipment, and receiving equipment is the base station.

Also comprise before the step 701: receiving equipment is according to the corresponding relation of RB sign and Logic Channel Identifier, definite RB of the RB of reception that needs identifies corresponding logic channel mark group knowledge (being RNTI), sends the PDCCH dispatching command of the definite RNTI scrambling of employing to transmitting apparatus.

In the step 701, transmitting apparatus is determined Logic Channel Identifier according to the RNTI of scrambling PDCCH dispatching command and the corresponding relation of RB sign and Logic Channel Identifier.

In the step 702, transmitting apparatus sends the MAC PDU that comprises the LCID in definite Logic Channel Identifier to receiving equipment.

In the step 702, transmitting apparatus places MAC PDU to send to receiving equipment LCID.

In the step 703, receiving equipment is determined Logic Channel Identifier, and is determined corresponding logic channel according to the Logic Channel Identifier of determining according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MACPDU that receives.

Mode two, logic channel group id are bit informations.

For the logic channel group id is bit information, and transmitting apparatus has multiple send mode.

1, in the step 702, transmitting apparatus sends MAC of placing MAC PDU of the logic channel group id in the Logic Channel Identifier of determining and LCID to receiving equipment.

Accordingly, in the step 703, receiving equipment is determined Logic Channel Identifier according to logic channel group id and LCID in the MAC head of MAC PDU, according to the Logic Channel Identifier of determining, determines corresponding logic channel.

Concrete, in the step 702, during a plurality of RB of transmitting apparatus in group of needs scheduling, with the logic channel group id of this group of determining as MAC MAC head that places MAC PDU independently, the LCID of the logic channel of a plurality of RB correspondences in this group of determining is placed MAC of MAC PDU, send MAC PDU to receiving equipment 20, one of them LCID places a MAC head.

Owing to need a plurality of RB in group of scheduling can determine a plurality of Logic Channel Identifiers, and the logic channel group id in each Logic Channel Identifier is all identical, so can be with the logic channel group id as a MAC head independently, be called the logic channel head that divides into groups, specifically referring to Figure 11 A.Logic channel grouping head is positioned at ad-hoc location, as all SDU foremosts of corresponding MAC or backmost, and specifically can be referring to Figure 11 B.

Accordingly, in the step 703, receiving equipment according in the MAC head of MAC PDU as the LCID among the logic channel group id of MAC head and other MAC, determine a plurality of Logic Channel Identifiers, wherein the logic channel group id in each Logic Channel Identifier is identical; Receiving equipment is determined corresponding logic channel according to a plurality of Logic Channel Identifiers of determining.

If 2 transmitting apparatus are base stations, receiving equipment is a RN equipment.

In the step 702, transmitting apparatus places DCI to be used to dispatch the data of a logic channel group logic channel group id in the Logic Channel Identifier of determining, LCID in the Logic Channel Identifier of determining is placed the MAC head of MAC PDU, to receiving equipment transmission DCI and MAC PDU.

Accordingly, in the step 703, receiving equipment is determined Logic Channel Identifier according to the Logic Channel Identifier of determining according to the LCID in the MAC head of logic channel group id among the DCI and MACPDU, definite corresponding logic channel.

If transmitting apparatus is a RN equipment, receiving equipment is the base station.

Also comprise before the step 701: receiving equipment is according to the corresponding relation of RB sign and Logic Channel Identifier, definite corresponding logic channel group id of RB sign that needs the RB of reception, place DCI to send the logic channel group id of determining, DCI is used to dispatch the data of a logic channel group.

In the step 701, transmitting apparatus is determined the logic channel group according to the logic channel group id among the DCI.

Wherein, transmitting apparatus is according to the logic channel group id among the DCI, from the corresponding relation of RB sign and Logic Channel Identifier, find the RB group id of Logic Channel Identifier correspondence, determine the RB group from the RB group id of correspondence then, need in the RB group to determine to transmit the logic channel of the RB of data then, find the LCID of this logic channel correspondence.

In the step 703, receiving equipment is determined Logic Channel Identifier according to the LCID in the MAC head of logic channel group id among the DCI and the MAC PDU that receives, and according to the Logic Channel Identifier of determining, determines corresponding logic channel.

In the step 703, receiving equipment can also be according to the corresponding relation of RB sign and Logic Channel Identifier after receiving Logic Channel Identifier, determines the RB sign of the Logic Channel Identifier correspondence received, and determines the RB of correspondence according to the RB sign of determining.Receiving equipment can be according to the RB that determines then, and the data of the logic channel determined are sent to high level.

In specific implementation process, need to guarantee that the RB that transmitting apparatus and receiving equipment use identifies identical with the corresponding relation of Logic Channel Identifier.

As shown in figure 12, the method for embodiment of the invention transmitting downlink data comprises the following steps:

Step 1201, base station are divided at least two groups with the logic channel of a plurality of RB correspondences of RN equipment correspondence, be the different logic channel group id of each set of dispense, be logical channel assignment LCID of each the RB correspondence among the corresponding a plurality of RB of each group, the LCID difference of the logic channel of each RB correspondence in wherein same group.

Wherein, can further include before the step 1201:

The base station is divided at least two RB groups with a plurality of RB of RN equipment correspondence, is the different RB group id of each RB set of dispense, is that each RB among the corresponding a plurality of RB of each RB group distributes RB number, the RB difference of each RB correspondence in wherein same group;

Accordingly, in the step 1201, the base station can be divided into a plurality of groups to logic channel according to the RB group of dividing.That is to say, the logic channel of each RB correspondence of same RB group is divided in same group.

Certainly, can RB not divided into groups, according to the grouping situation of logic channel, for RB distributes RB group id and RB number yet.

The corresponding relation of RB sign and Logic Channel Identifier is set up and preserved to step 1202, base station, and wherein Logic Channel Identifier comprises LCID and logic channel group id, and the RB sign comprises RB group id and RB number.

Concrete, Logic Channel Identifier comprises the logic channel group id of the group correspondence at the LCID of logic channel of RB correspondence of RB sign of this Logic Channel Identifier correspondence and this logic channel place;

The RB sign comprises the RB group id of RB correspondence and RB number of this RB correspondence.

Step 1203, base station are with the RB sign of foundation and the corresponding relation notice RN equipment of Logic Channel Identifier.

The RB sign that step 1204, the preservation of RN equipment are received and the corresponding relation of Logic Channel Identifier.

Step 1205, base station are according to the RB sign of preservation and the corresponding relation of Logic Channel Identifier, and definite RB of the RB of transmission that needs identifies corresponding Logic Channel Identifier.

Step 1206, base station send the Logic Channel Identifier of determining to RN equipment.

Step 1207, RN equipment are determined the Logic Channel Identifier from the base station received.

Step 1208, RN equipment are determined corresponding logic channel according to the Logic Channel Identifier of receiving, and according to the RB sign of preserving and the corresponding relation of Logic Channel Identifier, determine the RB sign of the Logic Channel Identifier correspondence received, determine corresponding RB according to the RB sign of determining.

Step 1209, RN equipment be according to the RB that determines, the data of the logic channel determined are sent to high level.

Need to prove, do not need execution in step 1201～step 1204 at every turn when transmitting data, execution in step 1201～step 1204 just after only need changing at the corresponding relation of RB sign and Logic Channel Identifier.

The method of transmit ascending data and the method for transmitting downlink data are similar, do not repeat them here.

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

The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the 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, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.

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, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.

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

Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.

From the foregoing description as can be seen: embodiment of the invention base station is divided at least two groups with the logic channel of a plurality of radio bearer RB correspondences of via node RN equipment correspondence, be the different logic channel group id of each set of dispense, be logical channel assignment logical channel number LCID of each the RB correspondence among the corresponding a plurality of RB of each group, the LCID difference of the logic channel of each RB correspondence in wherein same group; The corresponding relation of RB sign and Logic Channel Identifier is set up in the base station, and wherein Logic Channel Identifier comprises logical channel number LCID and logic channel group id; Equipment is notified RN with corresponding relation in the base station.

Because logical channel number is carried out Packet Multiplexing, thereby make the LCID with LTE system equal length can identify the logic channel number that is identified greater than the LTE system; Further guaranteed the performance after system architecture changes.

Embodiment of the invention transmitting terminal is according to the corresponding relation of radio bearer RB sign and Logic Channel Identifier, definite corresponding Logic Channel Identifier of RB sign that needs the RB of transmission, wherein Logic Channel Identifier comprises logic channel group id and logical channel number LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group; Transmitting terminal sends the Logic Channel Identifier of determining to receiving terminal, and the indication receiving terminal is determined corresponding logic channel according to the Logic Channel Identifier of correspondence.

Because the corresponding RB sign of group id in the Logic Channel Identifier and LCID can make the logic channel of each the RB correspondence after receiving terminal can be determined to expand when service dispatching, thereby the efficient and the success rate of RB expansion back transmission have been improved.

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

Claims

1. the method for an assignment logic channel logo is characterized in that, this method comprises:

Described base station is with described corresponding relation notice RN equipment.

2. the method for claim 1 is characterized in that, described base station is divided at least two groups with the logic channel of a plurality of RB correspondences of RN equipment and comprises:

The logic channel of the time that described base station is set up according to RB grade or RB with a plurality of RB correspondences of RN equipment is divided at least two groups.

3. the method for claim 1 is characterized in that, described logic channel group id is Radio Network Temporary Identifier RNTI;

Described base station also comprises described corresponding relation notice RN equipment:

Described base station is a plurality of RNTI of described RN devices allocation, and wherein the quantity of the RNTI of Fen Peiing is not less than the quantity of group.

4. as the described method of the arbitrary claim of claim 1～3, it is characterized in that described base station comprises described corresponding relation notice RN equipment:

Described base station is notified RN equipment with described corresponding relation by high-level signaling.

5. the method for a definite logic channel is characterized in that, this method comprises:

6. method as claimed in claim 5 is characterized in that, described logic channel group id is Radio Network Temporary Identifier RNTI; Described transmitting terminal is the base station, and described receiving terminal is a via node RN equipment;

Described transmitting terminal sends the Logic Channel Identifier of determining and comprises:

Described transmitting terminal sends physical downlink control channel PDCCH dispatching command that adopts the RNTI scrambling in the Logic Channel Identifier of determining and the media access control protocol data unit MAC PDU that comprises the LCID in definite Logic Channel Identifier to described receiving terminal;

Described transmitting terminal also comprises after sending the Logic Channel Identifier of determining:

Described receiving terminal is determined Logic Channel Identifier according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MAC PDU that receives.

7. method as claimed in claim 5 is characterized in that, described logic channel group id is RNTI; Described transmitting terminal is a RN equipment, and described receiving terminal is the base station;

Described transmitting terminal also comprises before sending the Logic Channel Identifier of determining:

Described receiving terminal is according to the corresponding relation of RB sign and Logic Channel Identifier, and definite RB of the RB of reception that needs identifies corresponding logic channel group id, adopts the PDCCH dispatching command of definite RNTI scrambling to described transmitting terminal transmission;

Described transmitting terminal determines that Logic Channel Identifier comprises:

Described transmitting terminal is determined Logic Channel Identifier according to the RNTI of scrambling PDCCH dispatching command and the corresponding relation of RB sign and Logic Channel Identifier;

Described transmitting terminal sends the MAC PDU that comprises the LCID in definite Logic Channel Identifier to described receiving terminal;

Described receiving terminal is determined Logic Channel Identifier, and is determined corresponding logic channel according to the Logic Channel Identifier of determining according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MAC PDU that receives.

8. method as claimed in claim 5 is characterized in that, described transmitting terminal sends the Logic Channel Identifier of determining and comprises:

The media access control protocol MAC head that described transmitting terminal places MAC PDU with the logic channel group id in the Logic Channel Identifier of determining and LCID is to described receiving terminal transmission;

Described receiving terminal is determined Logic Channel Identifier according to logic channel group id and LCID in the MAC head of described MAC PDU;

Described data receiver is determined corresponding logic channel according to described Logic Channel Identifier.

9. method as claimed in claim 8 is characterized in that, described transmitting terminal with the reserved bit in the MAC head as the logic channel group id.

10. method as claimed in claim 5 is characterized in that, described transmitting terminal sends the Logic Channel Identifier of determining and comprises:

When described transmitting terminal sends the data of a plurality of logic channels in the logic channel group at needs, with this logic channel group id of determining as MAC MAC head that places MAC PDU independently, the LCID of a plurality of logic channels in this group of determining is placed the MAC head of MAC PDU, send MAC PDU to described RN equipment, one of them LCID places a MAC head;

Described receiving terminal according in the MAC head of described MAC PDU as the LCID among the logic channel group id of MAC head and other MAC, determine a plurality of Logic Channel Identifiers, wherein the logic channel group id in each Logic Channel Identifier is identical;

Described receiving terminal is determined corresponding logic channel according to a plurality of Logic Channel Identifiers of determining.

11. method as claimed in claim 5 is characterized in that, described transmitting terminal is the base station, and described receiving terminal is a RN equipment;

Described transmitting terminal places Downlink Control Information DCI to be used to dispatch the data of a logic channel group logic channel group id in the Logic Channel Identifier of determining;

Described transmitting terminal sends MAC PDU with the MAC head that the LCID in the Logic Channel Identifier of determining places MAC PDU to described receiving terminal;

Described transmitting terminal also comprises after sending the LCID that determines:

Described receiving terminal is determined Logic Channel Identifier according to the LCID in the MAC head of logic channel group id among the described DCI and described MAC PDU;

Described receiving terminal is determined corresponding logic channel according to the Logic Channel Identifier of determining.

12. method as claimed in claim 5 is characterized in that, described transmitting terminal is a RN equipment, and described receiving terminal is the base station;

Described receiving terminal is according to the corresponding relation of RB sign and Logic Channel Identifier, and definite corresponding logic channel group id of RB sign that needs the RB of reception places DCI to send definite logic channel group id;

Described transmitting terminal is determined Logic Channel Identifier according to the corresponding relation of the logic channel group id among the DCI and RB sign and Logic Channel Identifier;

Described receiving terminal is determined Logic Channel Identifier according to the LCID in the MAC head of logic channel group id among the described DCI and described MAC PDU, and according to the Logic Channel Identifier of determining, determines corresponding logic channel.

13., it is characterized in that described transmitting terminal also comprises as the described method of the arbitrary claim of claim 5～12 after receiving terminal sends the Logic Channel Identifier of determining:

Described receiving terminal is according to described corresponding relation, determines the RB sign of the Logic Channel Identifier correspondence received, and determines corresponding RB according to the RB sign of determining.

14. a base station is characterized in that, this base station comprises:

15. base station as claimed in claim 14 is characterized in that, described distribution module specifically is used for:

The logic channel of the time of setting up according to RB grade or RB with a plurality of RB correspondences of RN equipment is divided at least two groups.

16. base station as claimed in claim 14 is characterized in that, described base station also comprises:

Distribution module is used to a plurality of Radio Network Temporary Identifier RNTI of described RN devices allocation, and wherein the quantity of the RNTI of Fen Peiing is not less than the quantity of group.

17., it is characterized in that described notification module specifically is used for as the described base station of the arbitrary claim of claim 14～16:

Notify RN equipment with described corresponding relation by high-level signaling.

18. the system of a definite logic channel is characterized in that, this system comprises:

19. system as claimed in claim 18 is characterized in that, described logic channel group id is Radio Network Temporary Identifier RNTI; Described transmitting apparatus is the base station, and described receiving equipment is a via node RN equipment;

Described transmitting apparatus specifically is used for:

Send physical downlink control channel PDCCH dispatching command that adopts the RNTI scrambling in the Logic Channel Identifier of determining and the media access control protocol data unit MAC PDU that comprises the LCID in definite Logic Channel Identifier to described receiving equipment;

Described receiving equipment specifically is used for:

LCID according among the RNTI of scrambling PDCCH dispatching command and the MAC PDU that receives determines Logic Channel Identifier, and the logic channel of definite Logic Channel Identifier correspondence.

20. system as claimed in claim 18 is characterized in that, described logic channel group id is RNTI; Described transmitting apparatus is a RN equipment, and described receiving equipment is the base station;

Described receiving equipment specifically is used for:

Corresponding relation according to RB sign and Logic Channel Identifier, definite corresponding logic channel group id of RB sign that needs the RB of reception, send the PDCCH dispatching command that adopts the RNTI scrambling of determining to described receiving equipment, according to the LCID among the RNTI of scrambling PDCCH dispatching command and the MAC PDU that receives, determine Logic Channel Identifier, and determine corresponding logic channel according to the Logic Channel Identifier of determining;

Described transmitting apparatus specifically is used for:

According to the RNTI of scrambling PDCCH dispatching command and the corresponding relation of RB sign and Logic Channel Identifier, determine Logic Channel Identifier, send the MAC PDU that comprises the LCID in definite Logic Channel Identifier to described receiving equipment.

21. system as claimed in claim 18 is characterized in that, described transmitting apparatus specifically is used for:

The media access control protocol MAC head that logic channel group id in the Logic Channel Identifier of determining and LCID are placed MAC PDU is to described receiving equipment transmission;

Described receiving equipment specifically is used for:

Logic channel group id and LCID according in the MAC head of described MAC PDU determine Logic Channel Identifier, according to described Logic Channel Identifier, determine corresponding logic channel.

22. system as claimed in claim 21 is characterized in that, described transmitting apparatus specifically is used for:

With the reserved bit in the MAC head as the logic channel group id.

23. system as claimed in claim 18 is characterized in that, described transmitting apparatus specifically is used for:

When needs send the data of a plurality of logic channels in the logic channel group, with this logic channel group id of determining as MAC MAC head that places MAC PDU independently, the LCID of a plurality of logic channels in this group of determining is placed the MAC head of MAC PDU, send MAC PDU to described receiving equipment, one of them LCID places a MAC head;

Described receiving equipment specifically is used for:

According in the MAC head of described MAC PDU as the LCID among the logic channel group id of MAC head and other MAC, determine a plurality of Logic Channel Identifiers, wherein the logic channel group id in each Logic Channel Identifier is identical, according to a plurality of Logic Channel Identifiers of determining, determine corresponding logic channel.

24. system as claimed in claim 18 is characterized in that, described transmitting apparatus is the base station, and described receiving equipment is a RN equipment;

Described transmitting apparatus specifically is used for:

Place Downlink Control Information DCI to be used to dispatch the data of a logic channel group logic channel group id in the Logic Channel Identifier of determining, LCID in the Logic Channel Identifier of determining is placed the MAC head of MACPDU, to described receiving equipment transmission MAC PDU;

Described receiving equipment specifically is used for:

LCID according in the MAC head of logic channel group id among the described DCI and described MAC PDU determines Logic Channel Identifier, according to the Logic Channel Identifier of determining, determines corresponding logic channel.

25. system as claimed in claim 18 is characterized in that, described transmitting apparatus is a RN equipment, and described receiving equipment is the base station;

Described receiving equipment specifically is used for:

Corresponding relation according to RB sign and Logic Channel Identifier, definite corresponding logic channel group id of RB sign that needs the RB of reception, place DCI to send the logic channel group id of determining, according to the LCID in the MAC head of logic channel group id among the described DCI and the MAC PDU that receives, determine Logic Channel Identifier, and, determine corresponding logic channel according to the Logic Channel Identifier of determining;

Described transmitting apparatus specifically is used for:

According to the corresponding relation of the logic channel group id among the DCI and RB sign and Logic Channel Identifier, determine Logic Channel Identifier, send the MAC PDU that comprises the LCID in definite Logic Channel Identifier to described receiving equipment.

26., it is characterized in that described receiving equipment also is used for as the described system of the arbitrary claim of claim 18～25:

According to described corresponding relation, determine the RB sign of the Logic Channel Identifier correspondence received, and determine corresponding RB according to the RB sign of determining.

27. a transmitting apparatus is characterized in that, this transmitting apparatus comprises:

28. transmitting apparatus as claimed in claim 27 is characterized in that, described logic channel group id is Radio Network Temporary Identifier RNTI, and described transmitting apparatus is the base station;

Described sending module specifically is used for:

Send physical downlink control channel PDCCH dispatching command that adopts the RNTI scrambling in the Logic Channel Identifier of determining and the media access control protocol data unit MAC PDU that comprises the LCID in definite Logic Channel Identifier to described receiving equipment.

29. transmitting apparatus as claimed in claim 27 is characterized in that, described logic channel group id is RNTI, and described transmitting apparatus is a via node RN equipment;

Described Logic Channel Identifier determination module specifically is used for:

According to the RNTI of the scrambling physical downlink control channel PDCCH dispatching command of receiving and the corresponding relation of RB sign and Logic Channel Identifier, determine Logic Channel Identifier;

Described sending module specifically is used for:

Send the MAC PDU that comprises the LCID in definite Logic Channel Identifier to described receiving equipment.

30. transmitting apparatus as claimed in claim 27 is characterized in that, described sending module specifically is used for:

The media access control protocol MAC head that logic channel group id in the Logic Channel Identifier of determining and LCID are placed MAC PDU is to described receiving equipment transmission.

31. transmitting apparatus as claimed in claim 30 is characterized in that, described sending module specifically is used for:

With the reserved bit in the MAC head as the logic channel group id.

32. transmitting apparatus as claimed in claim 27 is characterized in that, described sending module specifically is used for:

When needs send the data of a plurality of logic channels in the logic channel group, with this logic channel group id of determining as MAC MAC head that places MAC PDU independently, the LCID of a plurality of logic channels in this group of determining is placed the MAC head of MAC PDU, send MAC PDU to described receiving equipment, one of them LCID places a MAC head.

33. transmitting apparatus as claimed in claim 27 is characterized in that, described transmitting apparatus is the base station;

Described sending module specifically is used for:

Place Downlink Control Information DCI to be used to dispatch the data of a logic channel group logic channel group id in the Logic Channel Identifier of determining, LCID in the Logic Channel Identifier of determining is placed the MAC head of MACPDU, to described receiving equipment transmission MAC PDU.

34. transmitting apparatus as claimed in claim 27 is characterized in that, described transmitting apparatus is a RN equipment;

Described sending module specifically is used for:

According to the corresponding relation of RB sign and Logic Channel Identifier and from the logic channel group id among the DCI of receiving equipment, determine Logic Channel Identifier, send the MAC PDU that comprises the LCID in definite Logic Channel Identifier to described receiving equipment.

35. a receiving equipment is characterized in that, this receiving equipment comprises:

Receiver module, be used to receive Logic Channel Identifier from transmitting apparatus, wherein Logic Channel Identifier comprises logic channel group id and logical channel number LCID, the logic channel group id difference of any two logic channel group correspondences, the LCID difference of the logic channel of each RB correspondence in the same logic channel group;

36. receiving equipment as claimed in claim 35 is characterized in that, described logic channel group id is Radio Network Temporary Identifier RNTI; Described receiving equipment is the base station;

Described processing module specifically is used for:

Corresponding relation according to RB sign and Logic Channel Identifier, definite corresponding logic channel group id of RB sign that needs the RB of reception, send the physical downlink control channel PDCCH dispatching command that adopts the RNTI scrambling of determining to described transmitting apparatus, according to the LCID among the RNTI of scrambling PDCCH dispatching command and the media access control protocol data unit MAC PDU that receives, determine Logic Channel Identifier, and determine corresponding logic channel according to the Logic Channel Identifier of determining.

37. receiving equipment as claimed in claim 35 is characterized in that, described logic channel group id is RNTI; Described receiving equipment is a RN equipment;

Described processing module specifically is used for:

LCID according among the RNTI of scrambling PDCCH dispatching command and the MAC PDU that receives determines Logic Channel Identifier.

38. receiving equipment as claimed in claim 35 is characterized in that, described processing module specifically is used for:

39. receiving equipment as claimed in claim 38 is characterized in that, described processing module specifically is used for:

With the reserved bit in the MAC head as the logic channel group id.

40. receiving equipment as claimed in claim 35 is characterized in that, described processing module specifically is used for:

41. receiving equipment as claimed in claim 35 is characterized in that, described receiving equipment is a RN equipment;

Described processing module specifically is used for:

42. receiving equipment as claimed in claim 35 is characterized in that, described receiving equipment is the base station;

Described processing module specifically is used for:

Corresponding relation according to RB sign and Logic Channel Identifier, definite corresponding logic channel group id of RB sign that needs the RB of reception, place DCI to send the logic channel group id of determining, according to the LCID in the MAC head of logic channel group id among the described DCI and the MAC PDU that receives, determine Logic Channel Identifier, and, determine corresponding logic channel according to the Logic Channel Identifier of determining.

43. as the described receiving equipment of the arbitrary claim of claim 35～42, it is characterized in that, described processing module also is used for: according to the corresponding relation of RB sign and Logic Channel Identifier, determine the RB sign of the Logic Channel Identifier correspondence received, and determine the RB of correspondence according to the RB sign of determining.