Summary of the invention
The technical problem underlying that embodiment of the present invention will solve provides a kind of multimedia broadcast multi-broadcasting business receiving/transmission method and device, makes not support the terminal of MBMS traffic performance can insert the MBMS business.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of multimedia broadcast multi-broadcasting business sending method, comprise following steps:
Network side receives the message of indicating the selected multimedia broadcast multi-broadcasting business MBMS of this terminal from terminal, distinguishes the professional bearing mode that uses of the selected MBMS of this terminal by network side;
If the professional bearing mode that uses PTM of the selected MBMS of this terminal then is reconfigured to this terminal cell forward access channel CELL_FACH state, and issues the data of this MBMS business by forward access channel FACH;
Wherein, the message of the selected MBMS business of indicating terminal is that professional correction of MBMS asked; Network side also comprises following steps before the receiving MBMS service by terminal correction request:
Network side receives radio resource control layer RRC connection request from terminal, if comprise the cause value that this terminal of expression does not have the MBMS professional ability in this request, enters from the step of receiving MBMS service by terminal correction request.
Embodiments of the present invention also provide a kind of multimedia broadcast multi-broadcasting business method of reseptance, comprise following steps:
Terminal sends the message of indicating the selected MBMS business of this terminal to network side, distinguishes the professional bearing mode that uses of the selected MBMS of this terminal for network side;
If terminal is received network side it is reconfigured to the indication of CELL_FACH state, then receive the data of selected MBMS business from FACH;
Wherein, the message of the selected MBMS business of indicating terminal is that professional correction of MBMS asked;
Terminal also comprised following steps before network side sends the professional correction request of MBMS:
Terminal sends the RRC connection request to network side, carries the cause value that this terminal of expression does not have the MBMS professional ability in this request.
Embodiments of the present invention also provide a kind of multimedia broadcast multi-broadcasting business dispensing device, comprise:
Receiving element is used for receiving the message of indicating the selected MBMS business of this terminal from terminal;
First judging unit is used to judge the professional bearing mode that uses of the selected MBMS of this terminal;
Transmitting element is used for this terminal being reconfigured to the CELL_FACH state, and issuing the data of this MBMS business by FACH when first judging unit is judged the bearing mode of the professional PTM of use of the selected MBMS of terminal;
Wherein, the message of the selected MBMS business of indicating terminal of described receiving element reception is that professional correction of MBMS asked;
Receiving element also is used for receiving the RRC connection request from terminal;
The professional dispensing device of MBMS also comprises second judging unit, be used for judging whether the RRC connection request that receiving element is received comprises the cause value that the expression terminal does not have the MBMS professional ability, if judge to comprise, then indicate this receiving element from receiving MBMS service by terminal correction request.
Embodiments of the present invention also provide a kind of user terminal, comprise:
Transmitting element is used for sending the message of indicating the selected MBMS business of this user terminal to network side, distinguishes the professional bearing mode that uses of the selected MBMS of this user terminal for network side;
Receiving element is used to receive network side this user terminal is reconfigured to the indication of CELL_FACH state, and after receiving this indication, receives the data of this MBMS business from FACH;
Wherein, the message of the selected MBMS business of indicating user terminal of transmitting element transmission is that professional correction of MBMS asked;
Transmitting element also is used for: before sending the professional correction request of MBMS, send the RRC connection request to network side, carry the cause value that this terminal of expression does not have the MBMS professional ability in this request.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
Network side receives the message of the selected MBMS business of this terminal of indication from terminal, by the professional bearing mode that uses of the selected MBMS of network side difference terminal, if this MBMS is the professional PTM that uses, then this terminal is reconfigured to CELL_FACH (cell forward access channel) state, and issue the data of this MBMS business by forward access channel (Forward Access Channel, be called for short " FACH "); Can be directly be reconfigured to the CELL_FACH state in end side, receive the data of this MBMS business at this FACH according to the indication of network side.Even thereby terminal is not supported the MBMS traffic performance, can't read the information that MCCH obtains network side MBMS business, also can adopt corresponding mode to receive the MBMS business.For example do not support the terminal of MBMS traffic performance can receive the MBMS business of the bearing mode that uses PTM by FACH.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below in conjunction with accompanying drawing.
First embodiment of the invention relates to a kind of method of sending and receiving of MBMS business, as shown in Figure 2.
In step 210, when terminal uses MBMS professional at needs, initiate RRC connection request (RRC CONNECTION REQUEST) to network side RNC, in this request, carry the cause value " Previous UE MBMS Reception " that this terminal of expression does not have the MBMS professional ability.
Wherein, this cause value (CAUSE) " Previous UE MBMS Reception " is that present embodiment is newly-increased on the basis of existing protocol.The cause value (Cause for an RRC connection establishment request) that request is set up in existing RRC connection in the existing protocol is as shown in table 1, present embodiment is newly-increased " Previous UE MBMS Reception " on the basis of the cause value shown in the table 1, shown in bolded section in the table 1.
Table 1
In step 220, after RNC receives this RRC connection request, determine that according to the cause value in this request this terminal is not support the terminal of MBMS traffic performance, and the current access MBMS business that needs of this terminal.This RNC notice respective base station is set up respective channel.
In step 230, RNC sends RRC to this terminal and connects foundation (RRC CONNECTION SETUP) message.
In step 240, terminal is returned RRC connection foundation to this RNC and is finished (RRCCONNECTION SETUP COMPLETE) message.
In step 250, this terminal sends professional correction of MBMS to RNC and asks (MBMSMODIFICATION REQUEST), comprises the selected MBMS business of this terminal in this request.
In step 260, RNC revises the request from the MBMS that receives is professional, obtains the MBMS business that this terminal is selected.Specifically, this MBMS is professional to revise request for having signaling, corresponding purposes is arranged in the prior art, in the present embodiment by in the RRC connection request that terminal sends, carrying the cause value that this terminal of expression does not have the MBMS professional ability, the professional correction of MBMS after the notice RNC asks to be used for the selected MBMS business of indicating terminal, thereby make RNC after the professional correction request of the MBMS that receives this terminal, can correctly handle, from the MBMS business of this terminal selection of this acquisition request.
In step 270, the professional bearing mode that uses of MBMS that RNC selects according to terminal is initiated corresponding radio bearer for this terminal and is set up process, and network side and terminal send and receive the data of this MBMS business by the radio bearer of correspondence.
Specifically as shown in Figure 3, in step 310, RNC judges the professional bearing mode that uses of the selected MBMS of this terminal, if the professional bearing mode that uses PTP of the selected MBMS of this terminal then enters step 320, for this terminal is set up dedicated channel (Dedicate Channel, be called for short " DCH ") carrying, the indication base station issues the data of this MBMS business by this DCH, also indicates this terminal to set up the DCH carrying in end side simultaneously, notifies this terminal to receive this MBMS business datum by this DCH; If the professional bearing mode that uses PTM of the selected MBMS of this terminal, then enter step 340, RNC is reconfigured to the CELL_FACH state with this terminal, issue the indication of state transformation to terminal, informing base station issues the data of this MBMS business by FACH, and notifies this terminal to receive the MBMS business datum at this FACH.
In end side, if receiving RNC, this terminal sets up the indication of DCH carrying, then show the bearing mode of the professional PTP of use of this MBMS, enter step 330, this terminal is set up corresponding DCH carrying according to this indication, and receives the data of MBMS business by this DCH.
If this terminal is received the indication that enters the CELL_FACH state, the bearing mode that then shows the professional PTM of use of this MBMS, enter step 350, this terminal is reconfigured to the CELL_FACH state according to the indication of RNC with this terminal, receives the data of this MBMS business from FACH.
In addition, when the bearing mode of the professional use of the selected MBMS of this terminal PTM, RNC also needs to redistribute UTRAN Radio Network Temporary Identifier (UTRAN Radio NetworkTemporary Identity for this terminal, be called for short " URNTI "), the URNTI that redistributes is to should MBMS professional Secondary Common Control Physical Channel (the Secondary Common Control PhysicalChannel that uses, be called for short " SCCPCH "), the regulation of existing protocol is: the result that the URNTI that redistributes obtains available SCCPCH sum delivery, the index sign that equals to carry the corresponding SCCPCH of this MBMS business.By redistributing URNTI, guarantee that terminal can correctly select SCCPCH, receive and the relevant signaling of this MBMS business from this SCCPCH.
Below in step 340 and 350, base station and terminal sent and received this MBMS business datum by FACH concrete mode describes: in the present embodiment, this FACH carries this MBMS business separately, the base station comprises MBMS identification field and destination channel type field (Target Channel Type Field is called for short " TCTF ") in the transmission block (TB) of the FACH of this MBMS business of carrying.This TCTF is used to indicate the channel type of this transmission block correspondence, and this MBMS identification field is used to indicate the MBMS business of this transmission block correspondence.Carry separately at this FACH under the situation of this MBMS business, terminal can belong to the professional corresponding transmission block of MBMS that this terminal is selected according to this TCTF selective reception when receiving this FACH.After receiving corresponding transmission block, this transmission block of terminal parses, remove TCTF and MBMS service identification that this transmission block comprises, the data of removing behind TCTF and the MBMS service identification are sent to Radio Link control (Radio Link Controller, abbreviation " RLC ") entity carries out Service Data Unit (Service Data Unit, be called for short " SDU ") reorganization, wherein, the RLC entity is that network side is the professional entity of setting up of this MBMS.
In the present embodiment, terminal need not be by monitoring the bearing mode that MCCH obtains network side MBMS business, receive MBMS when professional at needs, can directly send service request to RNC, by RNC according to the different mode of current business with terminal configuration to different channel reception MBMS business.Even this terminal is not supported the MBMS traffic performance on hardware, can't read MCCH, also can successfully receive the MBMS business.Because terminal do not need HardwareUpgring, only need support the professional cause value of revising request flow process and newly-increased RRC connection request of MBMS just can insert the MBMS business, cost is lower, is very favorable for the popularization of MBMS business.
In the present embodiment, the SCCPCH of carrying MBMS business also needs to support public control channel (Common Control Channel, abbreviation " CCCH "), Dedicated Control Channel (DedicatedControl Channel, be called for short " DCCH ") etc. logic channel, to support the cell update of CELL_FACH state terminal, flow processs such as paging.The channel information of this SCCPCH need be broadcasted by system information block SIB6 simultaneously, make the terminal of this MBMS business of reception to carry out cell update, paging receiving message etc., make present embodiment more complete, more feasible by this CCCH and DCCH.
In addition, when the bearing mode of the MBMS business of selecting when this terminal changes, RNC will be configured again for this terminal, this terminal is reconfigured to corresponding channel receive the MBMS business.The mode of reshuffling is similar to process shown in Figure 3.That is to say that if the selected MBMS business of terminal changes the bearing mode that uses PTM into, then network side is reconfigured to the CELL_FACH state with this terminal, and issues the data of this MBMS business by FACH; If the selected MBMS business of terminal changes the bearing mode that uses PTP into, then network side is set up the DCH carrying for this terminal, and issues the data of this MBMS business by this DCH.Terminal receives the data of MBMS business at the channel of correspondence according to the indication of network side.
Second embodiment of the invention relates to a kind of method of sending and receiving of MBMS business equally, and is roughly the same with first execution mode, and its difference is that in the first embodiment, a FACH only carries a MBMS business; And in the present embodiment, a plurality of MBMS business can multiplexing same FACH.A plurality of MBMS business are distinguished different MBMS business by the MBMS identification field in the transmission block of this FACH.Network side is the sub-district RNTI (CRNTI) of terminal distribution, and this CRNTI is corresponding with the sign of the selected MBMS business of terminal.Terminal is when receiving FACH, can determine whether this transmission block carries the MBMS business according to the TCTF in the FACH transmission block, whether the MBMS service identification by judging this transmission block is corresponding with CRNTI, determines the whether selected MBMS business of corresponding this terminal of this transmission block.Thereby the correct transmission block that receives the selected MBMS business of this terminal of carrying.Concrete method can be that network side is that the MBMS sign of Gao Siwei and the selected MBMS business of this terminal of CRNTI of this terminal distribution is identical, and terminal can know receive which transmission block according to its CRNTI.
Third embodiment of the invention relates to a kind of method of sending and receiving of MBMS business, and present embodiment has increased the associative operation that terminal is left the MBMS business on the basis of first execution mode.
As shown in Figure 4, when terminal is left the MBMS business at needs, send the professional request message of revising of MBMS to RNC equally, inform the MBMS business that this terminal of RNC is left.The corresponding radio bearer dispose procedure of initiation was connected dispose procedure with RRC after RNC received this message.
Four embodiment of the invention relates to a kind of method of sending and receiving of MBMS business, and present embodiment has increased terminal and initiate to have added MBMS when professional, the situation that this MBMS business does not begin on the basis of first execution mode.
As shown in Figure 5, RNC determines the MBMS business that this terminal is selected according to the professional correction of the MBMS request message of terminal, if the selected MBMS business of this terminal does not also begin, perhaps this MBMS business is unavailable for a certain reason, then initiate RRC and connect dispose procedure, thereby avoid terminal unnecessarily to take connection resource.
Can increase this MBMS business of expression and not begin or disabled cause value " MBMS Service not Available " in the RRC connection release message, as shown in table 2, RRC connects the reason that discharges with the notice terminal.Bolded section is the newly-increased cause value of present embodiment in the table 2.Terminal can suitably point out for the user according to cause value wherein after receiving the RRC connection release message, and make the user to carry out other operations, as reselect other MBMS business according to self needs, or the initiation request again etc. that is in due course.Make the realization hommization more of MBMS business.
Table 2
Fifth embodiment of the invention relates to the professional dispensing device of a kind of MBMS, as shown in Figure 6, comprises: receiving element is used for receiving the message of indicating the selected MBMS business of this terminal from terminal; First judging unit is used to judge the professional bearing mode that uses of the selected MBMS of this terminal; Transmitting element is used for this terminal being reconfigured to the CELL_FACH state, and issuing the data of this MBMS business by FACH when this first judging unit is judged the bearing mode of the professional PTM of use of the selected MBMS of this terminal.This transmitting element also is used for, and when this first judging unit is judged the bearing mode of the professional PTP of use of the selected MBMS of this terminal, for this terminal is set up the DCH carrying, and issues the data of this MBMS business by this DCH.By above each unit, even the terminal that needs to receive the MBMS business is not supported the MBMS traffic performance on hardware, can't monitor the bearing mode that MCCH obtains this MBMS business, also can on the channel of correspondence, receive the MBMS business.
This transmitting element issues the data of this MBMS business by the transmission block of FACH, comprises the sign of TCTF and MBMS business in this transmission block.Indicate the channel type and the pairing MBMS business of this transmission block by the sign of TCTF and MBMS business, make terminal determine the whether corresponding MBMS business of self selecting of this transmission block, can correctly receive corresponding transmission block.
The professional dispensing device of this MBMS also comprises allocation units, is used for when the bearing mode of the professional PTM of use of the selected MBMS of terminal, and for this terminal is redistributed URNTI, this URNTI that redistributes is corresponding to the SCCPCH of this MBMS business of carrying.Specifically, this URNTI is generally equal to the index sign of the SCCPCH of this MBMS business of carrying to the result that available SCCPCH sum delivery obtains.This SCCPCH supports CCCH and DCCH, and the professional dispensing device of this MBMS can also comprise: carry out the cell update of terminal and the unit of paging by this CCCH and DCCH.
In the present embodiment, the message of the selected MBMS business of this terminal of indication of this receiving element reception is that professional correction of MBMS asked.This receiving element also is used for receiving the RRC connection request from terminal, the professional dispensing device of this MBMS also comprises second judging unit, be used for judging whether the RRC connection request that this receiving element is received comprises the cause value " PreviousUE MBMS Reception " that this terminal of expression does not have the MBMS professional ability, if then indicate this receiving element to receive the professional correction request of MBMS of this terminal, and from this request, obtain the selected MBMS business of this terminal.Wherein, cause value " Previous UE MBMS Reception " is that present embodiment is newly-increased on the basis of existing protocol, shown in bolded section in the table 1.Because professional correction of this MBMS asks to be existing signaling, corresponding purposes is arranged in the prior art, in the present embodiment by in the RRC connection request that terminal sends, carrying the cause value that this terminal of expression does not have the MBMS professional ability, the professional correction request of the MBMS that sends after the notice RNC terminal is used to indicate the selected MBMS business of this terminal, thereby make RNC after the professional correction request of the MBMS that receives this terminal, can not obscure mutually with prior art, can correctly handle, from this request, obtain the MBMS business that this terminal is selected.
The professional dispensing device of this MBMS also comprises, and the change unit is used for when the bearing mode of MBMS business changes, the notice transmitting element.If the selected MBMS business of this terminal changes the bearing mode that uses PTM into, then change unit notice transmitting element this terminal is reconfigured to the CELL_FACH state, and issue the data of this MBMS business by FACH; If the selected MBMS business of this terminal changes the bearing mode that uses PTP into, then change unit notice transmitting element and set up the DCH carrying, and issue the data of this MBMS business by this DCH for this terminal.
In addition, this first judging unit also is used for after this receiving element is received the professional correction request of MBMS, judge whether MBMS business that this terminal is selected begins or unavailable,, then indicate transmitting element to send the RRC connection release message to this terminal if do not begin or unavailable.Thereby avoid terminal unnecessarily to take connection resource.Can comprise this MBMS business of expression and not begin or disabled cause value " MBMS Service not Available " in the RRC connection release message, RRC connects the reason that discharges with the notice terminal, makes that the implementation procedure of MBMS business is more humane.This cause value " MBMS Service notAvailable " is the cause value that present embodiment increases newly on the basis of existing protocol, shown in bolded section in the table 2.
Because present embodiment does not need the terminal hardware upgrading, only need terminal to support the professional cause value of asking flow process and newly-increased RRC request to connect of revising of MBMS just can make terminal correctly insert the MBMS business, cost is lower, is very favorable for the popularization of MBMS business.
Sixth embodiment of the invention relates to a kind of user terminal, as shown in Figure 7, comprises: transmitting element is used for sending the message of indicating the selected MBMS business of this user terminal to network side; Receiving element is used to receive network side this user terminal is reconfigured to the indication of CELL_FACH state, and after receiving this indication, receives the data of this MBMS business from FACH.This receiving element also is used to receive the indication that network side is set up the DCH carrying, sets up the DCH carrying according to this indication, and receives the data of this MBMS business by this DCH.
Specifically, this receiving element further comprises: transmission block receives subelement, is used for TCTF and MBMS service identification that the transmission block according to FACH comprises, receives the professional corresponding transmission block of the selected MBMS of this user terminal; Resolve subelement, be used to resolve transmission block and receive the transmission block that subelement is received; Identification field is removed subelement, is used to remove TCTF and the MBMS service identification that this transmission block comprises; The recon unit is used for sending to the RLC entity and carrying out the Service Data Unit reorganization removing data behind TCTF and the MBMS service identification; Wherein, the RLC entity is that network side is the professional entity of setting up of this MBMS.
In the present embodiment, terminal need not be by monitoring the bearing mode that MCCH obtains network side MBMS business, when needs receive the MBMS business, can be directly send service request to network side, by network side according to the different mode of current business with terminal configuration to different channel reception MBMS business.Even this terminal is not supported the MBMS traffic performance on hardware, can't read MCCH, also can successfully receive the MBMS business.
This user terminal also comprises: the channel selected cell, the URNTI that is used for redistributing according to network side selects SCCPCH.This SCCPCH supports CCCH and DCCH, and this user terminal also comprises: the unit that carries out cell update and paging receiving message by this CCCH and DCCH.
In the present embodiment, indicating the message of the selected MBMS business of this user terminal is that professional correction of MBMS asked; Transmitting element sent the RRC connection request to network side before sending the professional correction request of this MBMS, carry the cause value " Previous UE MBMS Reception " that this terminal of expression does not have the MBMS professional ability in this request.Specifically, because professional correction of this MBMS asks to be existing signaling, corresponding purposes is arranged in the prior art, in the present embodiment by in the RRC connection request that transmitting element sends, carrying corresponding cause value, the professional correction request of the MBMS that terminal sends after the notice RNC is used to indicate the selected MBMS business of this terminal, thereby make RNC after the professional correction request of the MBMS that receives this terminal, can correctly handle, from this request, obtain the MBMS business that this terminal is selected, and can not obscure mutually with prior art.
In addition, above-mentioned transmitting element can also be used for, and when user terminal need withdraw from the MBMS business, sends professional request, the MBMS business of indicating this user terminal to withdraw from revised of MBMS to network side.
Because the user terminal in the present embodiment does not need HardwareUpgring, only need support the professional cause value of revising request flow process and newly-increased RRC connection request of MBMS just can make user terminal correctly receive the MBMS business, cost is lower, is very favorable for the popularization of MBMS business.
In sum, in embodiments of the present invention, network side receives the message of the selected MBMS business of this terminal of indication from terminal, by the professional bearing mode that uses of the selected MBMS of network side difference terminal, if this MBMS is the professional PTM that uses, then this terminal is reconfigured to CELL_FACH (cell forward access channel) state, and issues the data of this MBMS business by forward access channel (Forward Access Channel is called for short " FACH "); Can be directly be reconfigured to the CELL_FACH state in end side, receive the data of this MBMS business at this FACH according to the indication of network side.Even thereby terminal is not supported the MBMS traffic performance, can't read the information that MCCH obtains network side MBMS business, also can adopt corresponding mode to receive the MBMS business.Do not support in terminal under the situation of MBMS broadcast channel, can realize the bearing mode of PTM by FACH equally.
If the professional bearing mode that uses PTP of the selected MBMS of this terminal, then network side is set up the DCH carrying for this terminal, and issues the data of this MBMS business by this DCH; Can directly set up the DCH carrying in end side, and receive the MBMS business datum according to the indication of network side.Thereby making does not support the terminal of MBMS traffic performance can adopt the PTP mode to receive the MBMS business.
When the bearing mode of the professional use of the selected MBMS of terminal PTM, network side is redistributed URNTI for this terminal, and the URNTI that redistributes is corresponding to the professional employed SCCPCH of MBMS, and this SCCPCH supports CCCH and DCCH.By redistributing URNTI, guarantee that terminal can correctly select SCCPCH, the CCCH and the DCCH that support by this SCCPCH carry out the reception of cell update and beep-page message.
Network side issues the data of this MBMS business by the transmission block of FACH, comprises the sign of TCTF and this MBMS business in this transmission block.Terminal can determine whether this transmission block belongs to the MBMS business according to this TCTF, determine the whether selected MBMS business of corresponding this terminal of this transmission block according to this MBMS service identification, thereby correctly receive the professional corresponding transmission block of selected MBMS and therefrom obtain the MBMS business datum.
The message of indicating the selected MBMS business of this terminal can be that professional correction of existing MBMS asked, terminal is by carrying the cause value that this terminal of expression does not have the MBMS professional ability in the RRC connection request, come this terminal of informing network side for not supporting the terminal of MBMS traffic performance, what the professional correction request of this MBMS was indicated is the MBMS business of selecting.Network side is distinguished the professional purposes of revising request of this MBMS according to the cause value of RRC connection request, obtains the selected MBMS business of this terminal from this message, makes network side can get access to the selected business of the terminal of not supporting the MBMS traffic performance.
If set up the RRC connection for this terminal after, determine that the selected MBMS business of this terminal does not begin as yet, then send the RRC connection release message, thereby avoid terminal unnecessarily to take connection resource to this terminal.
If the selected MBMS of terminal is professional and the professional shared FACH of other MBMS, then network side is this terminal distribution CRNTI, and this sign is corresponding with the MBMS business that this terminal is selected.Make terminal can correctly receive the MBMS business of its expectation according to CRNTI.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.