CN104853429A - Method and terminal for realizing long term evolution (LTE) device-to-device communication based on subframe ratio - Google Patents
Method and terminal for realizing long term evolution (LTE) device-to-device communication based on subframe ratio Download PDFInfo
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- CN104853429A CN104853429A CN201510190003.0A CN201510190003A CN104853429A CN 104853429 A CN104853429 A CN 104853429A CN 201510190003 A CN201510190003 A CN 201510190003A CN 104853429 A CN104853429 A CN 104853429A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention provides a method and a terminal for realizing long term evolution (LTE) device-to-device communication based on subframe ratios. The method comprises that terminals for direct communication realizes time synchronization through the conventional technology, and all terminals are at a called state; the terminals periodically set fixed blind resources on receiving subframes, periodically performs blind analysis on the blind resources, and performs communication according to a subframe ratio of an opposite end when analyzing its own identifications; when the terminals call, by adjusting their own uplink and downlink subframe ratios, existence of correspondence of sending subframes and receiving subframes of calling and called terminals is realized; wherein, the calling terminal shall have sending subframes corresponding to blind subframes of the called terminal. The calling terminal sends information such as identifications of to-be-called terminals and the subframe ratio of its own onto the blind resources, so as to establish first communication between the calling and called terminals. Follow-up terminals ensure that sending and receiving work can be completed among one another according to time-order characteristics of the others. Direct communication between terminals is realized for the system.
Description
Technical field
The present invention relates to the communications field, particularly relate to and realize LTE(Long Term Evolution) method of terminal direct connection and terminal.
Background technology
Between terminal, the technology of direct communication is also in 2G level at present, and what transmit between terminal also only rests on speech business, far can not meet actual requirement, also be faced with the demands such as data traffic transmission between terminal.
Current public network has entered the LTE epoch, and existing emergency plan all realizes emergency communication by building emergent Access Network temporarily.But inherently there is the risk of being attacked by secondary in the emergent Access Network started under special circumstances.Be not any moment, emergency system all successfully can be built in any place simultaneously, and the demand that therefore LTE terminal is straight-through is obvious especially.
There is higher requirement to the time in LTE technology, prior art can solve the stationary problem between communication terminal.But according to the existing technology of LTE, the delivery time between LTE terminal is identical with the time of reception, all terminals all send at synchronization, and the data causing terminal to send cannot be received by other-end; All terminals all receive at synchronization, cause not having terminal to send data equally.Thus cause LTE terminal according to prior art, cannot realize leading directly to.
Summary of the invention
The invention provides a kind of realize that LTE terminal leads directly to method and terminal, for overcoming in existing LTE technology, inharmonious owing to sending between reception between terminal, the contact between sending and receiving cannot be set up, cause the problem that cannot communicate between terminal.
To achieve these goals, the method that LTE terminal provided by the invention is straight-through, comprising:
Terminal is synchronously temporal by existing techniques in realizing.Described terminal acquiescence is in called state, and the cycle arranges fixing blind solution resource in reception subframe; Terminal called periodically carries out blind solution in this blind solution resource.
When described terminal called is resolved to the mark of oneself, namely immediately according to the ratio of uplink subframe to downlink subframe of calling terminal, sequential of being eated dishes without rice or wine by calling terminal and described terminal called sequential carry out correspondence, communicate according to corresponding relation.
When terminal is called out, by first the subframe proportioning of oneself being adjusted, realizing described calling and called terminal and there is transmission subframe each other and receive subframe corresponding; Wherein, must there is transmission subframe and the blind solution subframe correspondence of terminal called in calling terminal.
The mark of the terminal that oneself will call out by described calling terminal, subframe proportioning after oneself adjustment, and oneself receives the interface-free resources of response, according to fixing modulation system, be sent in blind solution resource, wait for that terminal called is receiving the response in subframe according to the relation of agreement subsequently.
Described terminal is according to the corresponding relation before and after the adjustment of subframe proportioning, and all according to the modulation system of the requirement of the other side, data are mail to opposite end, the modulation system that opposite end requires according to oneself is resolved, and can intercom mutually.
To achieve these goals, the method that a kind of LTE terminal provided by the invention is straight-through, comprising:
Described terminal is synchronously temporal by existing techniques in realizing, and acquiescence is in called state; Cycle in reception subframe, fixing blind solution resource is set, terminal called periodically carries out blind solution in this blind solution resource, also comprises:
The MCS(Modulation and Coding Scheme that described terminal uses when blind solution, modulation and coding strategy) select rank to be fixing low order, the RNTI(Radio Network Temporary Identifier that it uses, Network Temporary Identifier) also derive according to the mark of oneself for terminal.
The subframe at described blind solution resource place is after ratio of uplink subframe to downlink subframe conversion, and the transmission subframe that must exist is corresponding with blind solution resource.
When described terminal called is resolved to the ratio of uplink subframe to downlink subframe after oneself mark and calling terminal adjustment, namely immediately according to before and after ratio of uplink subframe to downlink subframe adjustment, calling terminal sequential and described terminal called sequential of eating dishes without rice or wine of eating dishes without rice or wine carries out correspondence, communicates, also comprise according to corresponding relation:
Described terminal called, according to before and after ratio of uplink subframe to downlink subframe adjustment, calculates described calling terminal and can receive the transmission subframe that oneself sends data, with the reception subframe that oneself may receive the data that calling terminal sends.
Described terminal called is when communicating to described calling terminal, and the MCS made selects rank to be fixing low order, and the RNTI of use derives for the mark of terminal according to oneself.
When described terminal is called out, by first the subframe proportioning of oneself being adjusted, realize described calling and called terminal exist each other send subframe and receive subframe corresponding; Also comprise, wherein, calling terminal must there is transmission subframe and the blind solution subframe of terminal called is corresponding.
The terminal iidentification that oneself will call out by described calling terminal, the proportioning after the adjustment of oneself ratio of uplink subframe to downlink subframe, and expect the interface-free resources receiving response, be sent to blind solution resource, the communication first between calling and called terminal can be set up, also comprise:
Described calling terminal uses MCS to select rank to be fixing low order, uses terminal to carry out scrambling according to identifying the RNTI derived simultaneously.
Described terminal is according to the corresponding relation before and after the adjustment of subframe proportioning, and all according to the modulation system of the requirement of the other side, data are mail to opposite end, the modulation system that opposite end requires according to oneself is resolved, and can intercom mutually, also comprise:
The ratio of uplink subframe to downlink subframe of oneself, after sign off, is adjusted back initial setting by described calling terminal, the called state that overall recovery is initial.
To achieve these goals, a kind of terminal provided by the invention, comprising:
Clock module, for the time synchronized realizing transmission between LTE terminal and between receiving;
Blind solution module, for the blind solution resource for the described terminal configuration cycle, and attempts blind solution in blind solution resource;
Proportioning adjusting module, for being in the ratio of uplink subframe to downlink subframe of described calling terminal adjustment oneself, after the call ends, when described calling terminal reverts to the called state of acquiescence, reverts to acquiescence proportioning by proportioning;
, for the result adjusted according to ratio of uplink subframe to downlink subframe, there is the reception subframe sending subframe corresponding in opposite end and receive the data that other terminal sends to oneself in receiver module;
, for the result adjusted according to subframe proportioning, there is the transmission subframe receiving subframe corresponding in opposite end and the data of oneself sent to other terminal in sending module;
Modulation module, at the communication initial stage, modulate according to fixing MCS and RNTI, after connection setup, the MCS specified for opposite end according to oneself resolves;
Judge module, for the result according to blind solution, has judged whether that other terminal is in calling oneself, simultaneously according to the subframe change after described calling terminal adjustment, has calculated the transmission of oneself and receive subframe.After the communication has been established, the MCS according to opposite end selects, and modulates data.
Provided by the inventionly realize the straight-through method of LTE terminal and terminal, terminal is synchronously temporal by existing techniques in realizing.Described terminal acquiescence is in called state, and the cycle arranges fixing blind solution resource in reception subframe; Terminal called periodically carries out blind solution in this blind solution resource.When described terminal called is resolved to the mark of oneself, namely immediately according to the ratio of uplink subframe to downlink subframe of calling terminal, eat dishes without rice or wine sequential and described terminal called sequential of calling terminal carries out correspondence, communicates according to corresponding relation.When terminal is called out, by first the ratio of uplink subframe to downlink subframe of oneself being adjusted, realize described calling and called terminal exist each other send subframe and receive subframe corresponding; Wherein, must there is transmission subframe and the blind solution subframe correspondence of terminal called in calling terminal.The terminal iidentification that oneself will call out by described calling terminal, and the subframe proportioning after oneself adjustment, according to fixing modulation system, be sent in blind solution resource, subsequently, waits for the response of terminal called according to the relation of agreement.Described terminal is according to the corresponding relation before and after ratio of uplink subframe to downlink subframe adjustment, and all according to the requirement selecting modulation mode of the other side, data are mail to opposite end, the modulation system that opposite end requires according to oneself is resolved, and can intercom mutually.
Accompanying drawing explanation
A kind of called flow schematic diagram realizing the method that LTE terminal leads directly to based on subframe proportioning that Fig. 1 provides for the embodiment of the present invention one;
A kind of calling procedure schematic diagram realizing the method that LTE terminal leads directly to based on subframe proportioning that Fig. 2 provides for the embodiment of the present invention two;
What Fig. 3 provided for the embodiment of the present invention three a kind ofly realizes the straight-through terminal structure schematic diagram of LTE terminal based on subframe proportioning.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.
Fig. 1 is the embodiment of the present invention one, a kind of called flow schematic diagram realizing the method that LTE terminal leads directly to based on subframe proportioning.As shown in Figure 1, the method comprises the following steps:
101, system is that the terminal being in called state arranges fixing blind solution interface-free resources.
Described blind solution resource is terminal before straight-through according to the fixing cycle, arranges fixing interface-free resources in the reception subframe of terminal.Described resource is the interface-free resources existed in the cycle, and its resource specifically defines see 36 serial protocols of third generation partner program (3rd Generation Partnership Project is called for short 3GPP), no longer can describe herein.
It should be noted that, LTE terminal leads directly to the emergency plan only when there is not Access Network herein.Therefore, only have when there is straight-through needs, just lead directly to.As long as completed relevant parameter to configure before straight-through function is opened, between terminal direct connection, the method for time synchronized adopts prior art in addition.
Separately it should be noted that, after blind solution resource must be arranged on ratio of uplink subframe to downlink subframe adjustment, to exist and send reception subframe corresponding to subframe herein.Illustrate, terminal acquiescence ratio of uplink subframe to downlink subframe is proportioning 2, and blind solution resource is arranged on 4 work song frames.
102, terminal called carries out blind solution in blind solution resource.
Described terminal called carries out blind solution in blind solution resource according to predetermined RNTI, MCS.Described RNTI and MCS all arranges configure simultaneously with the blind solution resource of 101.
103, in analysis result, search the mark of oneself, if find the mark of oneself, then search the ratio of uplink subframe to downlink subframe after the conversion of opposite end further, and receive the interface-free resources responded first, otherwise, do not carry out any process.
According to the relation after oneself existing ratio of uplink subframe to downlink subframe and opposite end adjustment ratio of uplink subframe to downlink subframe, determine that opposite end can receive data, and oneself have and send subframe corresponding to subframe.Determine oneself to receive the reception that data are sent in opposite end simultaneously.
104, according to 103 result, can receive in opposite end data transmission subframe send data.
RNTI with MCS of described transmission data is identical with 102, arrange simultaneously opposite end send next time data the interface-free resources that uses RNTI, MCS and use.
This interface-free resources used is determined by the instruction in 103 analysis results.
105, the data that opposite end sends over are resolved.
In the interface-free resources specified by described 104, according to RNTI and MCS specified by 104, resolve the data that opposite end sends over.
What the present embodiment provided realizes the straight-through called flow of LTE terminal, and terminal is by the blind solution resource of configuration, and the terminal being in called state is in blind solution resource, and according to fixing RNTI, MCS resolves.Judge whether to there is terminal call oneself by the mark whether being resolved to oneself; Ascending-descending subframes configuration ratio after being adjusted by opposite end, is determined it is the sequential of opposite end and the corresponding relation of the sequential of oneself, determines the subframe that oneself can communicate with opposite end.By specifying the resource, RNTI and MCS that transmit and use to opposite end next time, determine the parameter of oneself eating dishes without rice or wine next time to resolve.Determine the parameter of next time eating dishes without rice or wine to resolve.
Fig. 2 is the embodiment of the present invention two, a kind of calling procedure schematic diagram realizing LTE terminal direction connection method based on subframe proportioning, and as shown in Figure 2, the method comprises the following steps:
201, terminal called is by the ratio of uplink subframe to downlink subframe of adjustment oneself, is in caller state.
Described calling terminal is by adjusting the ratio of uplink subframe to downlink subframe of oneself, and after realizing adjustment, the blind solution resource of the terminal of called state, the transmission subframe of depositing after the adjustment is corresponding with it.It is with transmission subframe corresponding each other to there is reception subframe in described calling and called terminal; Illustrate, the ratio of uplink subframe to downlink subframe of calling terminal is adjusted to 3 can reach requirement.
The terminal of 202, caller state, in the blind solution resource of the terminal of called state, sends the mark of target terminal and the result of oneself ratio of uplink subframe to downlink subframe adjustment, and receives the interface-free resources responded.
Described target terminal is the terminal of calling terminal calling, and it is consistent that described transmission eats dishes without rice or wine to use when RNTI, MCS and the described terminal called of data carries out blind solution.
203, calling terminal receives the response of described terminal called.
Described calling terminal institute is according to LTE sequential, and this sequential can see 36 serial protocols of 3GPP, and the interface-free resources specified by 202 is resolved.
204, the data received according to 203, in the interface-free resources that described data are specified, the data of RNTI, MCS transmission of specifying by affiliated data oneself.
205, the follow-up calling terminal resource extremely occupation mode transmission data of specifying according to described terminal called, until transfer of data is complete.
206, after calling terminal transfer of data, the ratio of uplink subframe to downlink subframe of oneself was adjusted back before 201.Oneself revert to called state simultaneously.
What the present embodiment provided realize LTE terminal leads directly to calling procedure, LTE terminal is by oneself ratio of uplink subframe to downlink subframe of adjustment, after realizing adjustment, transmission subframe is there is each other corresponding with reception subframe between calling and called, guarantee that the blind solution resource of terminal called exists the transmission subframe of calling terminal corresponding simultaneously, calling terminal is by blind solution resource, with fixing RNTI scrambling, fixing MCS selects rank, send the mark of the terminal that oneself will be called out, with the ratio of uplink subframe to downlink subframe after oneself adjustment, and oneself accept the corresponding resource in opposite end, notice opposite end oneself needs to contact with its foundation, and in predetermined resource, resolve the response of opposite end.Thus realize setting up each other leading directly to.
Fig. 3 is the embodiment of the present invention three, a kind of structural representation realizing the terminal that LTE terminal leads directly to based on subframe proportioning.As shown in Figure 3, this terminal comprises: receiver module 31, blind solution module 32, subframe proportioning adjusting module 33, judge module 34, clock module 35, modulation module 36 and sending module 37.
Wherein, receiver module 31, when terminal is in called state, the receiver module initial stage is in the signal receiving blind solution resource in blind solution subframe, between terminal after communication first, the data that receiver module received communication opposite end sends.
Further, when terminal is in called state, when communicating first for setting up, receiver module carries out reception data according to initial configuration.First after communication, the result that receiver module judges according to judge module, judges the interface-free resources having data arrival to receive at judge module.
Blind solution module 32, during for being in called state to described terminal, blind solution resource is resolved the signal that interface-free resources receives.
Subframe proportioning adjusting module 33, when becoming caller for terminal, adjusts the ratio of uplink subframe to downlink subframe of oneself, guarantees to exist between calling and called terminal to send subframe and receive subframe to correspond to each other; Guarantee that calling terminal exists transmission subframe corresponding with the blind solution subframe of terminal called.After sign off, ratio of uplink subframe to downlink subframe is reverted to initial setting by calling terminal, and entirety gets back to the called state of acquiescence.
Judge module 34, when terminal is in caller state, according to the ratio of uplink subframe to downlink subframe needing to judge that oneself needs adjusts of caller, and to calculate between calling and called transmission subframe each other according to the sequential after adjustment and accepts relation corresponding to subframe; When terminal is in called state, according to the result in the blind solution module 32 of blind solution, judge whether the terminal of calling out opposite end is oneself, when oneself, according to the subframe proportioning of opposite end, the corresponding relation judging transmission subframe between calling and called terminal and receive between subframe.
Clock module 35, the reception of leading directly to according to existing techniques in realizing LTE terminal and send between synchronous.
Modulation module 36, according to the result that judge module judges, modulates and scrambling transmission data.
Sending module 37, according to the result of judge module, sends data to and eats dishes without rice or wine.
In the present embodiment, realize LTE terminal based on clock and lead directly to, calling terminal by oneself clock of adjustment, realize and called between exist each other send subframe and receive subframe corresponding.Terminal called by resolving the mark of oneself in blind solution resource simultaneously.Judge whether oneself is the object called out.According to the clock bias calculating sequential relationship each other of caller.Select rank according to the MCS that opposite end requires, the interface-free resources of specifying in opposite end carries out transmission data.Realize leading directly between calling and called terminal.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. realize the method that LTE terminal is straight-through, it is characterized in that, comprising:
Terminal is synchronously temporal by existing techniques in realizing LTE terminal;
Described terminal acquiescence is in called state, and the cycle arranges fixing blind solution resource in reception subframe; Terminal called periodically carries out blind solution in this blind solution resource;
When described terminal called is resolved to the mark of oneself, namely immediately according to the ratio of uplink subframe to downlink subframe of calling terminal, sequential of being eated dishes without rice or wine by calling terminal and described terminal called sequential carry out correspondence, communicate according to corresponding relation;
When terminal is called out, by first the ratio of uplink subframe to downlink subframe of oneself being adjusted, realize described calling and called terminal exist each other send subframe and receive subframe corresponding; Wherein, necessarily there is transmission subframe and terminal called blind solution resource place subframe correspondence in calling terminal;
The terminal iidentification that oneself will call out by described calling terminal, subframe proportioning after oneself adjustment, and the interface-free resources of oneself reception response is according to fixing modulation system, is sent to blind solution resource, wait for the response of terminal called in reception resource according to the relation of agreement subsequently;
Described terminal is according to the corresponding relation before and after the adjustment of subframe proportioning, and all according to the modulation system of the requirement of the other side, data are mail to opposite end, the modulation system that opposite end requires according to oneself is resolved, and can intercom mutually;
The ratio of uplink subframe to downlink subframe of oneself, after this sign off, is adjusted to default configuration by described terminal, reverts to terminal called state.
2. the method realizing LTE terminal and lead directly to according to claim 1, it is characterized in that, described terminal is synchronously temporal by existing techniques in realizing, and acquiescence is in called state; Cycle arranges fixing blind solution resource in reception subframe, and terminal called periodically carries out blind solution in this blind solution resource, comprising:
The MCS that described terminal uses when blind solution selects rank to be fixing low order, and its RNTI used also derives according to mark for terminal;
The subframe at described blind solution resource place, after ratio of uplink subframe to downlink subframe conversion, the transmission subframe that must exist is corresponding with blind solution resource;
Refer to the U frame in LTE standard during described transmission subframe, described reception subframe refers to D frame in LTE system and S frame.
3. the method realizing LTE terminal and lead directly to according to claim 1, it is characterized in that, when described terminal called is resolved to the ratio of uplink subframe to downlink subframe after oneself mark and calling terminal adjustment, namely immediately according to before and after ratio of uplink subframe to downlink subframe adjustment, calling terminal sequential and described terminal called sequential of eating dishes without rice or wine of eating dishes without rice or wine carries out correspondence, communicate according to corresponding relation, comprising:
Described terminal called, according to before and after ratio of uplink subframe to downlink subframe adjustment, calculates described calling terminal and can receive the transmission subframe that oneself sends data, with the reception subframe that oneself may receive the data that calling terminal sends;
Described terminal called, when communicating to described calling terminal, uses MCS with RNTI of described claim 2 to communicate.
4. the method realizing LTE terminal and lead directly to according to claim 1, it is characterized in that, when described terminal is called out, by first the ratio of uplink subframe to downlink subframe of oneself being adjusted, realizing described calling and called terminal and there is transmission subframe each other and receive subframe corresponding; Comprise, wherein, calling terminal must there is transmission subframe and the blind solution resource of terminal called is corresponding.
5. the method realizing LTE terminal and lead directly to according to claim 1, it is characterized in that, the terminal iidentification that oneself will call out by described calling terminal, proportioning after the adjustment of oneself ratio of uplink subframe to downlink subframe, and expect to receive corresponding interface-free resources, be sent in the blind solution resource of blind solution subframe, the communication first between calling and called terminal can be set up, comprising:
Described calling terminal uses the low order MCS described in claim 2, uses the RNTI in described claim 2 to carry out scrambling simultaneously, and the subframe proportioning after oneself change is notified described terminal called by described calling terminal simultaneously.
6. the method realizing LTE terminal and lead directly to according to claim 1, it is characterized in that, described terminal is according to the corresponding relation before and after the adjustment of subframe proportioning, all according to the requirement selecting modulation mode of the other side, data are mail to opposite end, the modulation system that opposite end requires according to oneself is resolved, and can intercom mutually, comprise:
The ratio of uplink subframe to downlink subframe of oneself, after sign off, is adjusted back initial setting by described calling terminal, the called state that overall recovery is initial.
7. a terminal, is characterized in that, comprising:
Clock module, for the time synchronized realizing transmission between LTE terminal and between receiving;
Blind solution module, for the blind solution resource for the described terminal configuration cycle, and attempts blind solution in blind solution resource;
Proportioning adjusting module, for the subframe proportioning of described calling terminal adjustment oneself, after the call ends, when described calling terminal reverts to the called state of acquiescence, reverts to acquiescence proportioning by proportioning;
, for the result adjusted according to ratio of uplink subframe to downlink subframe, there is the reception subframe sending subframe corresponding in opposite end and receive the data that other terminal sends to oneself in receiver module;
, for the result adjusted according to subframe proportioning, there is the transmission subframe receiving subframe corresponding in opposite end and the data of oneself sent to other terminal in sending module;
Modulation module, at the communication initial stage, modulate according to fixing MCS and RNTI, after connection setup, the MCS specified for opposite end according to oneself resolves;
Judge module, for the result according to blind solution, has judged whether that other terminal is in calling oneself, simultaneously according to the subframe change after described calling terminal adjustment, calculates the transmission and reception subframe that correspond to each other between described calling and called terminal;
After the communication has been established, resolve the data that opposite end sends, judge that the MCS sending data to opposite end selects.
8. terminal according to claim 7, it is characterized in that, described proportioning adjusting module be used for described terminal will other terminal of active call time, adjust the ratio of uplink subframe to downlink subframe of oneself, to realize between described calling and called terminal existing each other send subframe and receive subframe corresponding; Transmission subframe is there is and corresponds in blind solution in resource;
And instruct sending module delivery and reception module to receive accordingly; Described calling terminal is after sign off, and ratio of uplink subframe to downlink subframe reverts to initial proportioning; Overall recovery called state.
9. terminal according to claim 7, is characterized in that, the result of described sending module specifically for adjusting according to subframe proportioning, exists and receives transmission subframe corresponding to subframe, send the data to other terminal in opposite end.
10. terminal according to claim 7, it is characterized in that, described judge module specifically for finding the mark of oneself in blind solution, according to the ratio of uplink subframe to downlink subframe after calling terminal change, calculate the subframe of the transmission data that described calling and called terminal corresponds to each other and receive the subframe of data, according to the RNTI that prior art obtains, calling terminal is arranged according to initial MCS, reply in the transmission subframe that there is caller reception subframe corresponding, and with determining that the MCS of opposite end transmission next time data selects rank in reply.
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| CN201510190003.0A CN104853429B (en) | 2015-04-21 | 2015-04-21 | The method and terminal for realizing that LTE terminal is straight-through are matched based on subframe |
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| CN102547984A (en) * | 2012-02-23 | 2012-07-04 | 华为技术有限公司 | Method and device for paging in device-to-device communication |
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