CN101867874B - Informing and determining method, system and device for controlling information change - Google Patents
Informing and determining method, system and device for controlling information change Download PDFInfo
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- CN101867874B CN101867874B CN2009100824547A CN200910082454A CN101867874B CN 101867874 B CN101867874 B CN 101867874B CN 2009100824547 A CN2009100824547 A CN 2009100824547A CN 200910082454 A CN200910082454 A CN 200910082454A CN 101867874 B CN101867874 B CN 101867874B
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Abstract
The invention relates to the wireless communication technology, in particular to an informing and determining method, a system and a device for controlling information change, solving the problem of resource wastage caused by a reason that a terminal repetitively receives the same MBMS control information because the MBMS control information periodically transmitted by a network side on an MCCH is likely to be the same. The informing method of the embodiment of the invention comprises the following steps: after the network side determines that the MBMS control information is changed, generating change indication information; and the network side putting the change indication information in a downlink control signal corresponding to a paging channel, transmitting the change indication information to a terminal through a downlink control channel and instructing the terminal to obtain the changed MBMS control information after the terminal receives the change indication information. By adopting the informing method of the embodiment of the invention, since the terminal is informed after the MBMS control information is changed, the terminal is not required to repetitively receiving the same MBMS control information and thereby the power consumption of the terminal is reduced.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of notice and definite method, system and device of control information variation.
Background technology
MBMS (Multimedia Broadcast Multicast Service, multimedia broadcast-multicast service) is used to the terminal in the wireless area that MBMS service and multimedia multicast service are provided.
In LTE (Long Term Evolution, Long Term Evolution) system, can both provide MBMS on the frequency layer of sharing in the frequency layer of MBMS special use with non-MBMS.Support that the LTE residential quarter of MBMS can be that the MBMS dedicated cell also can be MBMS/ clean culture mixed cell.When carrying out the MBMS transmission, can carry out single cell transmission, also can carry out many cell transmission.
MBMS dedicated frequency layer refers to be specifically designed to the frequency layer of MBMS transmission.When a cell configuration is MBMS dedicated frequency layer, claim that this residential quarter is the MBMS dedicated cell; Be not to be when being specifically designed to the frequency layer of MBMS transmission, to claim that this residential quarter is MBMS/ clean culture mixed cell when a cell configuration.
Clean culture and MBMS in the MBMS/ clean culture mixed cell carry out cooperative transmission, and some is used for the MBMS transmission constantly, and other the moment is used for the unicast service transmission.Single cell transmission of MBMS refers to that MBMS only transmits in the coverage of a designated cell, do not support the combination from the MBMS transmission of many residential quarters; Many cell transmission of MBMS need to be supported MBSFN (MBSFN Multicast Broadcast SingleFrequency Network, multicast single-frequency network) transmission means.
Network side need to be to the relevant control information of terminal transmission MBMS, and terminal is carried out the professional reception of MBMS according to control information.
The control information that network side is correlated with to terminal transmission MBMS by logic channel MCCH (Multicast Control Channel, multicast control channel).MCCH transmits in the mode of point-to-multipoint (point-to-multipoint).
But at present, the relevant control information of MBMS transmission on MCCH in network side meeting cycle; Accordingly, terminal also can be monitored MCCH in the cycle, receives the MBMS control information.
Because the control information that sends at MCCH in network side cycle might be identical, so that terminal repeats to receive identical control information, thereby cause the wasting of resources.
In sum, at present the MBMS control information that sends at MCCH of network side cycle might be identical, so that terminal repeats to receive identical MBMS control information, thereby causes the wasting of resources.
Summary of the invention
Notice and definite method, system and device that the embodiment of the invention provides a kind of control information to change, might be identical in order to solve the MBMS control information that the network side cycle sends at MCCH, so that terminal repeats to receive identical MBMS control information, thereby cause the problem of the wasting of resources.
The Notification Method that a kind of multimedia broadcast-multicast service MBMS control information that the embodiment of the invention provides changes, the method comprises:
Network side generates the variation indication information after definite MBMS control information changes;
Described network side will change indication information and place descending control signaling corresponding to paging channel, send to terminal by down control channel, indicating terminal receive change indication information after, obtain the MBMS control information after the variation.
The method that a kind of definite multimedia broadcast-multicast service MBMS control information that the embodiment of the invention provides changes, the method comprises:
Terminal is by descending control signaling corresponding to down control channel paging receiving channel;
Described terminal contains when changing indication information in descending control signaling corresponding to the paging channel of receiving, determines that the MBMS control information changes, and obtains the MBMS control information after the variation.
A kind of communication system that the embodiment of the invention provides, this system comprises:
The base station is used for after definite multimedia broadcast-multicast service MBMS control information changes, and generates to change indication information, places descending control signaling corresponding to paging channel with changing indication information, sends to terminal by down control channel;
Terminal is used for containing when changing indication information at descending control signaling corresponding to the paging channel of receiving, determines that the MBMS control information changes, and obtains the MBMS control information after the variation.
A kind of base station that the embodiment of the invention provides, this base station comprises:
Generation module is used for after definite multimedia broadcast-multicast service MBMS control information changes, and generates to change indication information;
The first sending module is used for changing indication information and places descending control signaling corresponding to paging channel, sends to terminal by down control channel, and indicating terminal obtains the MBMS control information after the variation after receiving the variation indication information.
A kind of terminal that the embodiment of the invention provides, this terminal comprises:
The first receiver module is used for by descending control signaling corresponding to down control channel paging receiving channel;
Determination module is used for containing when changing indication information at descending control signaling corresponding to the paging channel of receiving, determines that multimedia broadcast-multicast service MBMS control information changes, and obtains the MBMS control information after the variation.
Embodiment of the invention network side generates the variation indication information after definite MBMS control information changes; Described network side will change indication information and place descending control signaling corresponding to paging channel, send to terminal by down control channel, indicating terminal receive change indication information after, obtain the MBMS control information after the variation.Since can be when the MBMS control information changes notification terminal so that terminal do not need to repeat to receive identical MBMS control information, thereby saved the power consumption of terminal.
Description of drawings
Fig. 1 is the communication system architecture schematic diagram of the embodiment of the invention;
Fig. 2 is embodiment of the invention architecture of base station schematic diagram;
Fig. 3 is embodiment of the invention terminal structure schematic diagram;
Fig. 4 is the Notification Method schematic flow sheet that embodiment of the invention MBMS control information changes;
Fig. 5 is that the embodiment of the invention is determined the method flow schematic diagram that the MBMS control information changes.
Embodiment
Embodiment of the invention network side is after definite MBMS control information changes, generate and change indication information, place descending control signaling corresponding to paging channel with changing indication information, send to terminal by down control channel, indicating terminal receive change indication information after, obtain the MBMS control information after the variation.Since can be when the MBMS control information changes notification terminal so that terminal do not need to repeat to receive identical MBMS control information, thereby saved the power consumption of terminal.
Wherein, for common unicast service, network side sends before the downlink data to terminal, need to carry out paging to terminal, and notification terminal carries out data receiver.In the LTE system, the paging channel of unicast service (PCH) will be mapped among the PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) to be transmitted at present.For PDSCH, always by (the physicaldownlink control channel of the PDCCH in the same subframe, Physical Downlink Control Channel) carries out scheduling and controlling, and PDCCH will carry out scrambling through different RNTI (Radio Network Temporary Identifier, wireless network is identified) temporarily.RNTI is divided into two kinds, and a kind of is that the residential quarter is exclusive, and such as P-RNTI (paging RNTI), SI-RNTI (system information RNTI), all corresponding control signals of shared information that all need to read eventually will use such RNTI to carry out scrambling in the residential quarter; Another kind is that terminal is exclusive, and such as C-RNTI (cell RNTI, i.e. the MAC layer of each UE numbering), the proprietary corresponding control signal of data message of terminal will use such RNTI to carry out scrambling.
Network side can send descending control signaling corresponding to paging channel by down control channel in the cycle; Accordingly, terminal periodically detects down control channel, the descending control signaling that the paging receiving channel is corresponding, terminal will detect at first whether the PDCCH that uses P-RNTI to carry out scrambling is arranged in the subframe, if have, then will be according to the DCI that carries among the PDCCH (descending control signaling), the corresponding PDSCH of demodulation, know paging information, then paging channel is detected.
According to different use scenes, DCI exists much information to form form, and the DCI that is used at present PCH control is format 1A.As shown in table 1, the operating position when DCI format 1A (descending control signaling form 1A) controls as paging.
Table 1DCI format 1A
Wherein, N
DL RBThe bandwidth that the downlink bandwidth that represents system with the form of physical resource number of blocks, Resource Block take is 180kHz.
The embodiment of the invention is exactly to place descending control signaling corresponding to paging channel with changing indication information, sends to terminal by down control channel.
Owing among the DCI format 1A remaining bits being arranged in the table 1, the embodiment of the invention can place the descending control signaling that uses descending control signaling form 1A with changing indication information.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 1, the communication system of the embodiment of the invention comprises: base station 10 and terminal 20.
As shown in Figure 2, the base station of the embodiment of the invention comprises: generation module 100 and the first sending module 110.
Generation module 100 is used for after definite MBMS control information changes, and generates to change indication information.
The first sending module 110, be used for the variation indication information that generation module 100 generates is placed descending control signaling corresponding to paging channel, send to terminal by down control channel, indicating terminal receive change indication information after, obtain the MBMS control information after the variation.
In specific implementation process, the first sending module 110 can be the reusing of reserved bit in the descending control signaling with changing indication information and place the reserved bit position of descending control signaling, namely changing indication information.
Wherein, because the remaining bits of the each descending control signaling that sends in base station might be different, so the variation indication information that generates can be according to the size of remaining bits by difference.Specifically dual mode can be arranged.
The below will change indication information and place the descending control signaling that uses DCI format 1A corresponding to paging channel (hereinafter to be referred as " descending control signaling 1A ") to be specifically described as example.Need to prove, the embodiment of the invention is not limited to the variation indication information is placed this a kind of mode of descending control signaling 1A, and other can place the mode of descending control signaling to be suitable for equally the embodiment of the invention with changing indication information.
Mode 1, generation module 100 will change sign as changing indication information.
In specific implementation process, when generation module 100 can the remaining bits in descending control signaling 1A can not carry the content that the MBMS control information changes, will change sign as the variation indication information.
Changing sign can be 1 bit information, changes sign (being that the MBMS control information changes) such as " 1 " representative.
Concrete, can be in descending control signaling 1A reserved bit information, the high-order information such as ascending control channel power control indication (TPC command for PUCCH) redefines, as: " 0 ": expression MBMS control information is unchanged; " 1 " represents the MBMS control information and changes.
Then generation module 100 is after definite MBMS control information changes, and the high-order information that the control of ascending control channel power is indicated places 1; If determine that the MBMS control information does not change, then the high-order information with ascending control channel power control indication places 0.
Need to prove, the variation sign of the embodiment of the invention is not limited to above-mentioned 1 and 0 mode, and other can represent to change the applicable equally embodiment of the invention of information of sign.
In specific implementation process, change the information of sign and change the multiple setting means that where has that sign places descending control signaling 1A, such as setting by standard, determine after also can being consulted by base station and terminal, can also be by notification terminal after the base station sets.
For mode 1, the base station also needs the MBMS control information after changing is sent to terminal.Then the base station of the embodiment of the invention can further include: the second sending module 120.
The second sending module 120 is used for the first sending module 110 sends descending control signaling 1A corresponding to the paging channel that contains the indication information that changes by down control channel after, sends MBMS control information after changing by MCCH to terminal.
Concrete, the second sending module 120 determines that first next MCCH sends the time (comprising initial time and cycle duration) in cycle, then within the MCCH transmission cycle, send RRC (Radio Resource Control, the Radio Resource control) message comprise the MBMS control information after the variation or comprise the RRC message of the content that the MBMS control information changes to terminal by MCCH.
Mode 2, generation module 100 will change sign and the content that changes of MBMS control information as changing indication information.
In specific implementation process, when generation module 100 can the remaining bits in descending control signaling 1A can carry the content that the MBMS control information changes, will change content that sign and MBMS control information change as the variation indication information.
Wherein, the variation sign in the variation sign in the mode 2 and the mode 1 is identical, repeats no more.
What of the content that the bit that the content that MBMS control information in the mode 2 changes takies need to change according to the MBMS control information are determined.
In specific implementation process, the content that the MBMS control information changes can take the reserved place among the descending control signaling 1A, can certainly take other remaining bits.Such as: can take HARQ (Hybrid Automatic Repeat reQuest, mixed automatic retransfer request) process number and downlink data packet number among the descending control signaling 1A.
Suppose that a certain program need to increase or delete, can indicate 8 programs with 3 bits, with 1bit indication deletion or increase, 001 represents 1 programs, 010 represents 2 programs again ... the like.1 can represent increase, and 0 can represent deletion.If needing like this increases by 2 programs, the HARQ process can be counted bit and place 010, the downlink data packet number is placed 1.
Need to prove, the position that the content that embodiment of the invention MBMS control information changes takies is not limited to HARQ process number and downlink data packet, the applicable equally embodiment of the invention in other positions among the descending control signaling 1A.
In specific implementation process, the content that the MBMS control information changes take among the descending control signaling 1A where and bit information represent what implication multiple setting means arranged, such as setting by standard, determine after also can being consulted by base station and terminal, can also be by notification terminal after the base station sets.
Mode 2 can make the base station not need to receive the MBMS control information by MCCH and just can know which content in the MBMS control information changes than mode 1, has further saved system resource, has improved resource utilization.
Because the base station sends before the downlink data to terminal, need to carry out paging to terminal, thereby can send descending control signaling 1A by paging channel.A kind of situation might occur like this, determine that namely the MBMS control information changes, but do not have the clean culture paging in the system, at this moment the first sending module 110 also can place descending control signaling 1A with changing indication information, sends to terminal by paging channel.Just the resource block location among the descending control signaling 1A is designated as full 0 or sky.Then the first sending module 110 determines that at generation module 100 the MBMS control information changes, and current when not having the clean culture paging, place descending control signaling corresponding to paging channel with changing indication information, and the resource block location in descending control signaling indication is set to full 0 or sky, sends to terminal by down control channel.
Accordingly, when the resource block location indication of terminal in the descending control signaling of receiving is set to full 0 or sky, do not need to carry out paging channel and detect.
As shown in Figure 3, the terminal of the embodiment of the invention comprises: the first receiver module 200, determination module 210 and acquisition module 220.
The first receiver module 200 is used for by descending control signaling corresponding to down control channel paging receiving channel.
Wherein, may be to change sign owing to changing indication information, also may be the content that variation sign and MBMS control information change, so acquisition module 220 has two kinds of obtain manners after definite MBMS control information changes.
Mode 1, variation indication information are to change sign.
Concrete, acquisition module 220 is determined first the time (comprising initial time and cycle duration) of next MCCH receiving cycle, then in the MCCH receiving cycle, by the MBMS control information after the MCCH reception variation.
Mode 2, variation indication information are the contents that variation sign and MBMS control information change.
In specific implementation process, MBMS control information after the implication that the content that control information changes according to MBMS takies position in the descending control signaling and bit information representative is determined to change, counting bit such as the HARQ process is 010, the downlink data packet number is 1, and then acquisition module 220 determines to need to increase by 2 programs.
As shown in Figure 4, the Notification Method of embodiment of the invention MBMS control information variation comprises the following steps:
In specific implementation process, network side can be the reusing of reserved bit in the descending control signaling with changing indication information and place the reserved bit position of descending control signaling, namely changing indication information.
Wherein, in the step 402 because the remaining bits of the each descending control signaling that sends of network side might be different, so the variation indication information that generates can be according to the size of remaining bits by difference.Specifically dual mode can be arranged.
The below will change indication information and place the descending control signaling that uses DCI format 1A corresponding to paging channel (hereinafter to be referred as " descending control signaling 1A ") to be specifically described as example.Need to prove, the embodiment of the invention is not limited to this a kind of mode of DCIformat 1A that the variation indication information is placed descending control signaling 1A, and other can place the mode of descending control signaling to be suitable for equally the embodiment of the invention with changing indication information.
Network side will change sign as changing indication information in mode 1, the step 401.
In specific implementation process, when network side can the remaining bits in descending control signaling 1A can not carry the content that the MBMS control information changes, will change sign as the variation indication information.
Changing sign can be 1 bit information, changes sign (being that the MBMS control information changes) such as " 1 " representative.
Concrete, can be in descending control signaling 1A reserved bit information, the high-order information such as ascending control channel power control indication redefines, as: " 0 ": expression MBMS control information is unchanged; " 1 " represents the MBMS control information and changes.
Then network side is after definite MBMS control information changes, and the high-order information that the control of ascending control channel power is indicated places 1; If determine that the MBMS control information does not change, then the high-order information with ascending control channel power control indication places 0.
Need to prove, the variation sign of the embodiment of the invention is not limited to above-mentioned 1 and 0 mode, and other can represent to change the applicable equally embodiment of the invention of information of sign.
In specific implementation process, change the information of sign and change the multiple setting means that where has that sign places descending control signaling 1A, such as setting by standard, determine notification terminal after being set by network side after also can being consulted by network side and terminal.
For mode 1, network side also needs the MBMS control information after changing is sent to terminal.Then can further include after the step 402:
MBMS control information after step a403, network side change to the terminal transmission by MCCH.
Step a404, terminal are according to the variation indication information of receiving, by the MBMS control information after the MCCH reception variation.
Concrete, network side determines that first next MCCH sends the time (comprising initial time and cycle duration) in cycle among the step a403, then within the MCCH transmission cycle, send the RRC message that comprises the MBMS control information after the variation or comprise the RRC message of the content that the MBMS control information changes to terminal by MCCH.
Network side will change sign and the content that changes of MBMS control information as changing indication information in mode 2, the step 401.
In specific implementation process, when network side can the remaining bits in descending control signaling 1A can carry the content that the MBMS control information changes, will change content that sign and MBMS control information change as the variation indication information.
Accordingly, can further include after the step 402:
Step b403, terminal behind the variation indication information of receiving from network side, the content that changes according to the MBMS control information of receiving, the MBMS control information after determining to change.
Wherein, the variation sign in the variation sign in the mode 2 and the mode 1 is identical, repeats no more.
What of the content that the bit that the content that MBMS control information in the mode 2 changes takies need to change according to the MBMS control information are determined.
In specific implementation process, the content that the MBMS control information changes can take the reserved place among the descending control signaling 1A, can certainly take other remaining bits.Such as: can take HARQ process number and downlink data packet number among the descending control signaling 1A.
Suppose that a certain program need to increase or delete, can indicate 8 programs with 3 bits, with 1bit indication deletion or increase, 001 represents 1 programs, 010 represents 2 programs again ... the like.1 can represent increase, and 0 can represent deletion.If needing like this increases by 2 programs, the HARQ process can be counted bit and place 010, the downlink data packet number is placed 1.
Need to prove, the position that the content that embodiment of the invention MBMS control information changes takies is not limited to HARQ process number and downlink data packet, the applicable equally embodiment of the invention in other positions among the descending control signaling 1A.
In specific implementation process, the content that the MBMS control information changes take among the descending control signaling 1A where and bit information represent what implication multiple setting means arranged, such as setting by standard, determine notification terminal after being set by network side after also can being consulted by network side and terminal.
Mode 2 can make network side not need to receive the MBMS control information by MCCH and just can know which content in the MBMS control information changes than mode 1, has further saved system resource, has improved resource utilization.
Because network side sends before the downlink data to terminal, need to carry out paging to terminal, thereby can send descending control signaling 1A by paging channel.A kind of situation might occur like this, determine that namely the MBMS control information changes, but do not have the clean culture paging in the system, at this moment network side also can place descending control signaling 1A with changing indication information, sends to terminal by paging channel.Just the resource block location among the descending control signaling 1A is designated as full 0 or sky.Then in the step 402, network side changes in definite MBMS control information, and current when not having the clean culture paging, place descending control signaling corresponding to paging channel with changing indication information, and the resource block location in descending control signaling indication is set to full 0 or sky, sends to terminal by down control channel.
Accordingly, when the resource block location indication of terminal in the descending control signaling of receiving is set to full 0 or sky, do not need to carry out paging channel and detect.
As shown in Figure 5, the embodiment of the invention determines that the method that the MBMS control information changes comprises the following steps:
Wherein, may be to change sign owing to changing indication information, also may be the content that variation sign and MBMS control information change, so after definite MBMS control information changes, two kinds of obtain manners are arranged in the step 502.
Mode 1, variation indication information are to change sign.
In the step 502, terminal is when changing sign changing indication information, according to the variation indication information of receiving, by the MBMS control information after the MCCH reception variation.
Concrete, terminal is determined first the time (comprising initial time and cycle duration) of next MCCH receiving cycle, then in the MCCH receiving cycle, by the MBMS control information after the MCCH reception variation.
Mode 2, variation indication information are the contents that variation sign and MBMS control information change.
In the step 502, when terminal is the content that variation identifies and the MBMS control information changes at the variation indication information, according to the content that the MBMS control information of receiving changes, the MBMS control information after determining to change.
In specific implementation process, MBMS control information after the implication that the content that control information changes according to MBMS takies position in the descending control signaling and bit information representative is determined to change, counting bit such as the HARQ process is 010, the downlink data packet number is 1, and then terminal determines to need to increase by 2 programs.
Can find out from above-described embodiment: embodiment of the invention network side generates the variation indication information after definite MBMS control information changes; Described network side will change indication information and place descending control signaling corresponding to paging channel, send to terminal by down control channel, indicating terminal receive change indication information after, obtain the MBMS control information after the variation.Since can be when the MBMS control information changes notification terminal so that terminal do not need to repeat to receive identical MBMS control information, thereby saved the power consumption of terminal.
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 (9)
1. the Notification Method that multimedia broadcast-multicast service MBMS control information changes is characterized in that, the method comprises:
Network side is after definite MBMS control information changes, to change sign as changing indication information, described network side will change indication information and place descending control signaling corresponding to paging channel, send to terminal by down control channel, indicating terminal receive change indication information after, obtain MBMS control information after the variation that network side sends by MCCH by multicast control channel MCCH; Or
Network side is after definite MBMS control information changes, to change content that sign and MBMS control information change as the variation indication information, described network side will change indication information and place descending control signaling corresponding to paging channel, send to terminal by down control channel, indicating terminal is after receiving described variation indication information, according to the content that the described MBMS control information of receiving changes, the MBMS control information after determining to change;
Wherein said network side sends to terminal by down control channel and comprises: described network side changes in definite MBMS control information, and current when not having the clean culture paging, place descending control signaling corresponding to paging channel with changing indication information, and the resource block location in descending control signaling indication is set to full 0 or sky, sends to terminal by down control channel.
2. the method for claim 1 is characterized in that, described network side will change the descending control signaling that indication information places use descending control signaling form 1ADCI format 1A corresponding to paging channel.
3. the method for claim 1 is characterized in that, described network side will change the reserved bit position that indication information places descending control signaling.
4. the method that definite multimedia broadcast-multicast service MBMS control information changes is characterized in that, the method comprises:
Terminal is by descending control signaling corresponding to down control channel paging receiving channel, wherein, network side changes in definite MBMS control information, and current when not having the clean culture paging, place descending control signaling corresponding to paging channel with changing indication information, and the resource block location in descending control signaling indication is set to full 0 or sky, sends to terminal by down control channel;
Described terminal contains when changing indication information in descending control signaling corresponding to the paging channel of receiving, determine that the MBMS control information changes, when described variation indication information is the variation sign, according to the described variation indication information of receiving, by the MBMS control information after the multicast control channel MCCH reception variation; Be when changing the content that sign and MBMS control information change at described variation indication information perhaps, according to the content that the described MBMS control information of receiving changes, determine the MBMS control information after the variation.
5. a communication system is characterized in that, this system comprises:
The base station is used for will changing sign as changing indication information after definite multimedia broadcast-multicast service MBMS control information changes, place descending control signaling corresponding to paging channel with changing indication information, sends to terminal by down control channel; And the MBMS control information after send changing to terminal by multicast control channel MCCH; Perhaps after definite MBMS control information changes, to change content that sign and MBMS control information change as the variation indication information, described base station will change indication information and place descending control signaling corresponding to paging channel, send to terminal by down control channel, be specially: change in definite MBMS control information, and current when not having the clean culture paging, place descending control signaling corresponding to paging channel with changing indication information, and the resource block location in descending control signaling indication is set to full 0 or sky, sends to terminal by down control channel;
Terminal, be used for containing when changing indication information at descending control signaling corresponding to the paging channel of receiving, determine that the MBMS control information changes, when described variation indication information is the variation sign, according to the described variation indication information of receiving, by the MBMS control information after the multicast control channel MCCH reception variation; Be when changing the content that sign and MBMS control information change at described variation indication information perhaps, according to the content that the described MBMS control information of receiving changes, determine the MBMS control information after the variation.
6. a base station is characterized in that, this base station comprises generation module, the first sending module or the second sending module, wherein:
Described generation module is used for after definite multimedia broadcast-multicast service MBMS control information changes, and will change sign as changing indication information; After determining that perhaps multimedia broadcast-multicast service MBMS control information changes, will change content that sign and MBMS control information change as the variation indication information;
Described the first sending module, be used for to change indication information and place descending control signaling corresponding to paging channel, send to terminal by down control channel, indicating terminal receive change indication information after, obtain MBMS control information after the variation by multicast control channel MCCH;
When described generation module will change sign as the variation indication information, this base station further comprised:
Described the second sending module, be used for after described the first sending module contains the corresponding descending control signaling of paging channel of the indication information that changes by the down control channel transmission MBMS control information after changing to the terminal transmission by multicast control channel MCCH;
Wherein, described the first sending module specifically is used for: determine that at described generation module the MBMS control information changes, and current when not having the clean culture paging, place descending control signaling corresponding to paging channel with changing indication information, and the resource block location in descending control signaling indication is set to full 0 or sky, sends to terminal by down control channel.
7. base station as claimed in claim 6 is characterized in that, described the first sending module will change the descending control signaling that indication information places use descending control signaling form 1A DCI format 1A corresponding to paging channel.
8. base station as claimed in claim 6 is characterized in that, described the first sending module will change the reserved bit position that indication information places descending control signaling.
9. a terminal is characterized in that, this terminal comprises:
The first receiver module, be used for by descending control signaling corresponding to down control channel paging receiving channel, wherein, network side changes in definite MBMS control information, and current when not having the clean culture paging, place descending control signaling corresponding to paging channel with changing indication information, and the indication of the resource block location in the descending control signaling is set to full 0 or sky, sends by down control channel;
Determination module is used for containing when changing indication information at descending control signaling corresponding to the paging channel of receiving, determines that multimedia broadcast-multicast service MBMS control information changes;
Acquisition module is used for determining that at described determination module the MBMS control information changes, and described variation indication information is when changing sign, according to the described variation indication information of receiving, receives MBMS control information after changing by multicast control channel MCCH; And determine that at described determination module the MBMS control information changes, and when described variation indication information is the content that variation identifies and the MBMS control information changes, according to the content that the described MBMS control information of receiving changes, the MBMS control information after determining to change.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101969602B (en) * | 2009-07-28 | 2012-06-27 | 电信科学技术研究院 | Channel content change notice method and channel re-detection method, system and equipment |
| CN102104838B (en) * | 2011-02-23 | 2013-07-24 | 电信科学技术研究院 | Data transmission method, system and equipment |
| CN102573094B (en) * | 2012-01-17 | 2015-04-08 | 电信科学技术研究院 | Method and device for transmitting DCI (downlink control information) |
| WO2014043898A1 (en) * | 2012-09-21 | 2014-03-27 | 华为技术有限公司 | Method, bs and ue for sending and receiving data |
| CN103974420A (en) * | 2013-02-04 | 2014-08-06 | 普天信息技术研究院有限公司 | Device-to-device (D2D) data transmitting method in long-term evolution system |
| CN104956697B (en) * | 2013-10-12 | 2019-10-18 | 华为技术有限公司 | MBMS information transferring method, user equipment and network side equipment |
| WO2015066844A1 (en) * | 2013-11-05 | 2015-05-14 | 华为技术有限公司 | Method and apparatus for transmitting and obtaining information, application server, base station, and terminal |
| KR102116706B1 (en) * | 2016-08-11 | 2020-05-29 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Multicast-based wireless communication method, terminal device, and base station |
| CN107846296A (en) * | 2016-09-20 | 2018-03-27 | 北京信威通信技术股份有限公司 | A kind of method and device of software upgrading |
| CN107889063B (en) | 2016-09-29 | 2022-02-18 | 中兴通讯股份有限公司 | Service information of multicast service, service information change notification method and device |
| CN114697875B (en) * | 2020-12-28 | 2023-03-17 | 大唐移动通信设备有限公司 | Method and device for processing multicast broadcast service state change indication information |
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