CN105657783A - Terminal straight-through communication method and device - Google Patents
Terminal straight-through communication method and device Download PDFInfo
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- CN105657783A CN105657783A CN201510287589.2A CN201510287589A CN105657783A CN 105657783 A CN105657783 A CN 105657783A CN 201510287589 A CN201510287589 A CN 201510287589A CN 105657783 A CN105657783 A CN 105657783A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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Abstract
The invention discloses a terminal straight-through communication method. A search signaling sent by a sender terminal is received; the search signaling comprises a relay transmission identifier and a relay node identifier; the relay transmission identifier is used for indicating whether the search signaling is allowed to be forwarded by a relay; whether the relay transmission identifier in the search signaling indicates allowing the search signaling to be forwarded by the relay is judged; if the search signaling is allowed to be forwarded, whether the relay node identifier in the search signaling matches with the identifier parameter of the relay node allowing the search signaling to be forwarded is judged; the identifier parameter is contained in a search filter; if the relay node identifier matches with the identifier parameter, the search signaling is forwarded to a receiver terminal. The multi-hop search of a D2D (Device-to-Device) search function is realized through forwarding the search signaling by the relay; the capability of searching the receiver terminal by the sender terminal under various scenes is further enhanced; the user experience is promoted; and the personal security of the user is guaranteed. Correspondingly, the invention also discloses a terminal straight-through communication device.
Description
Technical field
The present invention relates to communication technical field, say more specifically, relate to a kind of direct-connected communication method of terminal and device.
Background technology
D2D (Device-to-Device, the direct-connected communication of terminal) it is a kind of short-distance communication business, owing to equipment room direct communication can realize the direct transmission of data between terminal, and do not need to forward through base station, therefore, D2D business can improve transfer rate, shorten the transmission time and reduce energy expenditure. Closely communicating for some or public safety event, D2D business has more high efficiency.
At present, LTE (LongTermEvolution, long-term evolution) system R12 agreement in, give the two big functions of D2D, i.e. function of search and the function that communicates, wherein, function of search is supported in plurality of application scenes (such as, public safety scene) under, the sending side terminal with D2D ability can search the receiving side terminal equally with D2D ability.
But the function of search of existing D2D is only limitted to single-hop search, if sending side terminal and receiving side terminal is distant, or, environment residing for sending side terminal and receiving side terminal is comparatively complicated, as in vault or the building that collapses, sending side terminal may be caused to search for less than receiving side terminal, greatly have impact on the use sense of user and be subject to, even can endanger the personnel safety of user.
Summary of the invention
In view of this, the present invention provides a kind of direct-connected communication method of terminal and device, search for owing to being only limitted to single-hop to overcome the function of search of D2D of the prior art, if sending side terminal and receiving side terminal is distant, or, environment residing for sending side terminal and receiving side terminal is comparatively complicated, as in vault or the building that collapses, sending side terminal may be caused to search for less than receiving side terminal, greatly have impact on the use sense of user to be subject to, even can endanger the problem of the personnel safety of user.
For achieving the above object, the present invention provides following technical scheme:
A kind of direct-connected communication method of terminal, described method comprises:
Receiving the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying;
Judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying;
If it does, then whether the identifier parameter judging the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates;
If coupling, then described search signaling is forwarded to receiving side terminal.
Preferably, described search signaling also comprised for the first relaying cut-off moment, and the described first relaying cut-off moment is used for representing that described search signaling allows to be forwarded by relaying before the described first relaying cut-off moment, then before described search signaling is forwarded to receiving side terminal, also comprise:
Obtain in search signaling the first relaying cut-off moment comprised;
Judge that whether current time is early than the described first relaying cut-off moment;
If early than, then described search signaling is forwarded to receiving side terminal;
If be no earlier than, then described search signaling is not forwarded to receiving side terminal.
Preferably, described search signaling also comprised for the 2nd relaying cut-off moment, and the described 2nd relaying cut-off moment is used for representing that described search signaling allows to be forwarded by relaying before the described 2nd relaying cut-off moment, then before described search signaling is forwarded to receiving side terminal, also comprise:
Obtain the 2nd relaying cut-off moment preset;
Judge that whether current time is early than the described 2nd relaying cut-off moment;
If early than, then described search signaling is forwarded to receiving side terminal;
If be no earlier than, then described search signaling is not forwarded to receiving side terminal.
Preferably, before whether the relaying node identifier judged in described search signaling mates with search strainer, also comprise:
Judge whether the current number of times that described search signaling is forwarded by relaying is greater than preset times;
If be not more than, then perform to judge relaying node identifier in described search signaling and search in strainer the step that the permission comprised forwards the identifier parameter of relaying node of described search signaling and whether mate, and the current number of times that described search signaling is forwarded by relaying is added one;
If be greater than, then do not perform to judge the relaying node identifier in described search signaling and in search strainer, the permission that comprises forwards the step whether the identifier parameter of the relaying node of described search signaling mate.
Preferably, described relaying node identifier is complete public safety applications code, it is the part public safety applications code with asterisk wildcard that the permission that described search strainer comprises forwards the identifier parameter of the relaying node of described search signaling, and/or, one or more complete public safety applications code, then whether the identifier parameter that the described relaying node identifier judged in described search signaling forwards the relaying node of described search signaling with the permission that comprises in search strainer mates specifically comprises:
Judge whether the part public safety applications code except the code corresponding with described asterisk wildcard of public safety applications code complete in described search signaling mates with the part public safety applications code except described asterisk wildcard comprised in search strainer;
And/or, judge whether the public safety applications code in described search signaling mates completely with any one the public safety applications code in the one or more complete public safety applications code comprised in search strainer.
A kind of direct-connected communicator of terminal, described device comprises:
Receiving unit, for receiving the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying;
First judging unit, whether the relay transmission mark for judging in described search signaling represents that described search signaling allows to be forwarded by relaying;
2nd judging unit, for when the first judging unit judged result is for being, judging whether the identifier parameter of the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates;
Send unit, for when the 2nd judging unit judged result is for being, described search signaling being forwarded to receiving side terminal.
Preferably, described search signaling also comprised for the first relaying cut-off moment, and the described first relaying cut-off moment is used for representing that described search signaling allows to be forwarded by relaying, then described device also comprises before the described first relaying cut-off moment:
First acquiring unit, for, before described search signaling is forwarded to receiving side terminal, obtaining in search signaling the first relaying cut-off moment comprised;
3rd judging unit, for judging that whether current time is early than the described first relaying cut-off moment;
Then described transmission unit is specifically for when the 3rd judging unit judged result is for being, being forwarded to receiving side terminal by described search signaling; When the 3rd judging unit judged result is no, described search signaling is not forwarded to receiving side terminal.
Preferably, described search signaling also comprised for the 2nd relaying cut-off moment, and the described 2nd relaying cut-off moment is used for representing that described search signaling allows to be forwarded by relaying, then described device also comprises before the described 2nd relaying cut-off moment:
2nd acquiring unit, for, before described search signaling is forwarded to receiving side terminal, obtaining the 2nd relaying cut-off moment preset;
4th judging unit, for judging that whether current time is early than the described 2nd relaying cut-off moment;
Then described transmission unit is specifically same as when the 4th judging unit judged result is for being, described search signaling is forwarded to receiving side terminal; When the 4th judging unit judged result is no, described search signaling is not forwarded to receiving side terminal.
Preferably, described device also comprises:
5th judging unit, before whether mating with search strainer at the relaying node identifier judged in described search signaling, judges whether the current number of times that described search signaling is forwarded by relaying is greater than preset times;
When described 5th judging unit judged result is for being not more than, then trigger relaying node identifier that described 2nd judging unit performs to judge in described search signaling and search in strainer the step that the permission comprised forwards the identifier parameter of relaying node of described search signaling and whether mate, and the current number of times that described search signaling is forwarded by relaying is added one; When described 5th judging unit judged result is for being greater than, does not then trigger relaying node identifier that described 2nd judging unit performs to judge in described search signaling and search in strainer the step that the permission comprised forwards the identifier parameter of relaying node of described search signaling and whether mate.
Preferably, described relaying node identifier is complete public safety applications code, it is the part public safety applications code with asterisk wildcard that the permission that described search strainer comprises forwards the identifier parameter of the relaying node of described search signaling, and/or, one or more complete public safety applications code, then described 2nd judging unit specifically for:
Judge whether the part public safety applications code except the code corresponding with described asterisk wildcard of public safety applications code complete in described search signaling mates with the part public safety applications code except described asterisk wildcard comprised in search strainer;
And/or, judge whether the public safety applications code in described search signaling mates completely with any one the public safety applications code in the one or more complete public safety applications code comprised in search strainer.
Via above-mentioned technical scheme it will be seen that compared with prior art, the present invention discloses a kind of direct-connected communication method of terminal, receives the search signaling that sending side terminal sends, and described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying; Judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying; If it does, then whether the identifier parameter judging the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates; If coupling, then described search signaling is forwarded to receiving side terminal. The multi-hop being forwarded the function of search that search signaling realizes D2D by relaying is searched for, and then strengthens the ability that sending side terminal searches receiving side terminal under various scene, improves user's impression, has ensured the personnel safety of user. Accordingly, the invention also discloses a kind of direct-connected communicator of terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the disclosed D2D search protocol stack architexture schematic diagram based on relaying of the embodiment of the present invention;
Fig. 2 is a kind of terminal direct-connected communication embodiment of the method 1 schematic flow sheet disclosed by the invention;
Fig. 3 is a kind of terminal direct-connected communication embodiment of the method 2 schematic flow sheet disclosed by the invention;
Fig. 4 is a kind of terminal direct-connected communication embodiment of the method 3 schematic flow sheet disclosed by the invention;
Fig. 5 is a kind of terminal direct-connected communication device embodiment 1 structural representation disclosed by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Term " first " in the specification sheets of the present invention and claim book and above-mentioned accompanying drawing, " the 2nd " etc. are for distinguishing similar object, and need not be used for describing specific order or precedence. Should be appreciated that the term of use like this can exchange in the appropriate case, this is only describe in embodiments of the invention the differentiation mode adopted by the object of same alike result when describing. In addition, term " comprises " and " having " and their any distortion, intention is to cover does not arrange his comprising, to comprise the process of a series of unit, method, system, product or equipment being not necessarily limited to those unit, but can comprise that clearly do not list or for intrinsic other unit of these processes, method, product or equipment.
From background technology, the function of search of D2D of the prior art is owing to being only limitted to single-hop search, if sending side terminal and receiving side terminal is distant, or, environment residing for sending side terminal and receiving side terminal is comparatively complicated, as in vault or the building that collapses, it is possible to sending side terminal can be caused to search for less than receiving side terminal, greatly have impact on the use sense of user to be subject to, even can endanger the personnel safety of user.
For this reason, the present invention discloses a kind of direct-connected communication method of terminal, receives the search signaling that sending side terminal sends, and described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying; Judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying; If it does, then whether the identifier parameter judging the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates; If coupling, then described search signaling is forwarded to receiving side terminal. The multi-hop being forwarded the function of search that search signaling realizes D2D by relaying is searched for, and then strengthens the ability that sending side terminal searches receiving side terminal under various scene, improves user's impression, has ensured the personnel safety of user. Accordingly, the invention also discloses a kind of direct-connected communicator of terminal.
For enabling above-mentioned purpose, the feature and advantage of the present invention more become apparent, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
In the present invention, first define the D2D search protocol stack architexture based on relaying, specifically as shown in Figure 1, in the D2D search protocol stack architexture based on relaying of the present invention, define relaying function logical layer (the Relay functional layer in Fig. 1), described relaying function logical layer can be that work can strengthen or independent sub-layer in current MAC layer or ProSeProtocol (public safety agreement) layer, further, this relaying function logical layer can also be more than MAC layer, any newly-increased sublayer below ProSeProtocol layer or the enhancing of any sublayer function. to this, the present invention does not do any restriction.
Based on the D2D search protocol stack architexture based on relaying disclosed by the invention, the present invention discloses the direct-connected communication method of following terminal and device.
Referring to accompanying drawing 2, be a kind of terminal direct-connected communication embodiment of the method 1 schematic flow sheet disclosed by the invention, described method is applied to link terminal, and described link terminal can for having the mobile terminal of relaying function, and to this, the present embodiment does not do any restriction. The method specifically comprises the steps:
S101: receive the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier.
Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying.
It should be noted that, at sending side terminal, can according to the signing data of sending side terminal or/and other high-rise information (information such as electricity such as sending side terminal) determine whether the search signaling that sending side terminal sends allows to be forwarded by relaying, and identify in search signaling by 1bit information digit, this 1bit information digit is relay transmission mark, concrete, available 1 mark allows to be forwarded by relaying, do not allow to be forwarded by relaying by 0 mark, this 1bit information digit can be newly-built information digit, it is also possible to be the reservation information digit in existing search signaling form.
In addition, sending side terminal also needs to send searching request to network side, and network side is by the searching request feedback relaying node identifier according to sending side terminal. This relaying node identifier, after receiving the relaying node identifier of network side feedback, can be positioned in search signaling and be sent by PC5 interface by sending side terminal.
S102: judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying; If it does, then perform S103, if not, then perform S105.
Based on the description of S101, in this step, specifically can judge to search in signaling whether information digit is whether the 1 relay transmission mark that can judge in described search signaling represents that described search signaling allows to be forwarded by relaying. Certainly also having other implementations, the present embodiment does not enumerate.
S103: judge whether the identifier parameter of the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates; If it does, then perform S104, if not, then perform S105.
Link terminal obtains search strainer in advance from network side, includes the identifier parameter allowing to forward the relaying node of described search signaling in this search strainer.
It should be noted that, in the present embodiment, described relaying node identifier is complete public safety applications code, it is the part public safety applications code with asterisk wildcard that the permission that described search strainer comprises forwards the identifier parameter of the relaying node of described search signaling, and/or, one or more complete public safety applications code, then whether the identifier parameter that the described relaying node identifier judged in described search signaling forwards the relaying node of described search signaling with the permission that comprises in search strainer mates specifically comprises:
Judge whether the part public safety applications code except the code corresponding with described asterisk wildcard of public safety applications code complete in described search signaling mates with the part public safety applications code except the code corresponding with described asterisk wildcard comprised in search strainer;
And/or, judge whether the public safety applications code in described search signaling mates completely with any one the public safety applications code in the one or more complete public safety applications code comprised in search strainer.
It should be noted that further, except above-mentioned public safety applications code, other special codes of relaying that can realize relaying forwarding function are also in protection domain of the present invention.
S104: described search signaling is forwarded to receiving side terminal.
Concrete, described search signaling can be forwarded to receiving side terminal by PC5 interface.
S105: terminate.
Present embodiment discloses a kind of direct-connected communication method of terminal, receive the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying; Judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying; If it does, then whether the identifier parameter judging the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates; If coupling, then described search signaling is forwarded to receiving side terminal. The multi-hop being forwarded the function of search that search signaling realizes D2D by relaying is searched for, and then strengthens the ability that sending side terminal searches receiving side terminal under various scene, improves user's impression, has ensured the personnel safety of user.
Referring to accompanying drawing 3, be a kind of terminal direct-connected communication embodiment of the method 2 schematic flow sheet disclosed by the invention, described method is applied to link terminal, and described link terminal can for having the mobile terminal of relaying function, and to this, the present embodiment does not do any restriction. The method specifically comprises the steps:
S201: receive the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier.
It should be noted that, the search signaling that the reception sending side terminal in S201 sends, the specific implementation that described search signaling comprises relay transmission mark and relaying node identifier illustrates in detail in embodiment of the method 1, and the present embodiment repeats no more.
S202: judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying; If it does, then perform S203, if not, then perform S206.
It should be noted that, whether the relay transmission judged in the described search signaling mark in S202 represents that described search signaling allows the specific implementation forwarded by relaying to illustrate in detail in embodiment of the method 1, and the present embodiment repeats no more.
S203: judge whether the current number of times that described search signaling is forwarded by relaying is greater than preset times, if be not more than, then performing S204, if be greater than, then performing S206.
S204: the current number of times that described search signaling is forwarded by relaying is added one, and whether the identifier parameter judging the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates; If it does, then perform S205, if not, then perform S206.
It should be noted that, judging the relaying node identifier in described search signaling in S204 and specific implementation that whether identifier parameter that in search strainer, the permission that comprises forwards the relaying node of described search signaling mates illustrates in detail in embodiment of the method 1, the present embodiment repeats no more.
S205: described search signaling is forwarded to receiving side terminal.
S206: terminate.
The present embodiment adds the step judging relay forwarding times on the basis of embodiment of the method 1, and the use sense improving user further is subject to.
Referring to accompanying drawing 4, be a kind of terminal direct-connected communication embodiment of the method 3 schematic flow sheet disclosed by the invention, described method is applied to link terminal, and described link terminal can for having the mobile terminal of relaying function, and to this, the present embodiment does not do any restriction. The method specifically comprises the steps:
S301: receive the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier.
It should be noted that, the search signaling that the reception sending side terminal in S301 sends, the specific implementation that described search signaling comprises relay transmission mark and relaying node identifier illustrates in detail in embodiment of the method 1, and the present embodiment repeats no more.
S302: judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying; If it does, then perform S303, if not, then perform S310.
It should be noted that, whether the relay transmission judged in the described search signaling mark in S302 represents that described search signaling allows the specific implementation forwarded by relaying to illustrate in detail in embodiment of the method 1, and the present embodiment repeats no more.
S303: judge whether the current number of times that described search signaling is forwarded by relaying is greater than preset times, if be not more than, then performing S304, if be greater than, then performing S310.
S304: the current number of times that described search signaling is forwarded by relaying is added one, and whether the identifier parameter judging the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates; If it does, then perform S305, if not, then perform S310.
It should be noted that, judging the relaying node identifier in described search signaling in S304 and specific implementation that whether identifier parameter that in search strainer, the permission that comprises forwards the relaying node of described search signaling mates illustrates in detail in embodiment of the method 1, the present embodiment repeats no more.
S305: obtain in search signaling the first relaying cut-off moment comprised.
Described search signaling also comprised for the first relaying cut-off moment, and the described first relaying cut-off moment is used for representing that described search signaling allows to be forwarded by relaying before the described first relaying cut-off moment.
S306: judge that whether current time is early than the described first relaying cut-off moment, if early than, then performing S307, if be no earlier than, then performing S310.
S307: obtain the 2nd relaying cut-off moment preset.
Described search signaling also comprised for the 2nd relaying cut-off moment, and the described 2nd relaying cut-off moment is used for representing that described search signaling allows to be forwarded by relaying before the described 2nd relaying cut-off moment.
S308: judge that whether current time is early than the described 2nd relaying cut-off moment, if early than, then performing S309, if be no earlier than, then performing S310.
S309: described search signaling is forwarded to receiving side terminal.
S310: terminate.
It should be noted that; in the present embodiment, the most detailed describes a kind of direct-connected communication method of terminal disclosed by the invention, but; for a person skilled in the art, the present embodiment basis carries out step and delete that the terminal obtained direct-connected communication method is equally within protection domain of the present invention. Such as, delete S303, or delete S305, S306, or the direct-connected communication method of terminal obtained after deleting S303, S307, S308 all can realize in the present invention.
The present embodiment adds the step ensureing that relaying forwards timeliness on the basis of embodiment of the method 1, and the use sense improving user further is subject to.
Describing method in detail in above-mentioned embodiment disclosed by the invention, method for the present invention can adopt the device of various ways to realize, and therefore the invention also discloses a kind of device, provides specific embodiment below and be described in detail.
Referring to accompanying drawing 5, be a kind of terminal direct-connected communication device embodiment 1 structural representation disclosed by the invention, the direct-connected communicator of described terminal is specially has the mobile terminal that relaying forwards function, and this device specifically comprises such as lower unit:
Receiving unit 11, for receiving the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying;
First judging unit 12, whether the relay transmission mark for judging in described search signaling represents that described search signaling allows to be forwarded by relaying;
2nd judging unit 13, for when the first judging unit judged result is for being, judging whether the identifier parameter of the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates;
Send unit 14, for when the 2nd judging unit judged result is for being, described search signaling being forwarded to receiving side terminal.
Based on said apparatus embodiment 1, the present invention also can form the direct-connected communicator of new terminal to choose suitable element lower unit, and the associated description that concrete building form may correspond in embodiment of the method is determined, the present embodiment repeats no more.
First acquiring unit, for, before described search signaling is forwarded to receiving side terminal, obtaining in search signaling the first relaying cut-off moment comprised.
It should be noted that, described search signaling also comprised for the first relaying cut-off moment, and the described first relaying cut-off moment is used for representing that described search signaling allows to be forwarded by relaying before the described first relaying cut-off moment;
3rd judging unit, for judging that whether current time is early than the described first relaying cut-off moment;
Then described transmission unit is specifically for when the 3rd judging unit judged result is for being, being forwarded to receiving side terminal by described search signaling; When the 3rd judging unit judged result is no, described search signaling is not forwarded to receiving side terminal.
2nd acquiring unit, for, before described search signaling is forwarded to receiving side terminal, obtaining the 2nd relaying cut-off moment preset.
It should be noted that, described search signaling also comprised for the 2nd relaying cut-off moment, and the described 2nd relaying cut-off moment is used for representing that described search signaling allows to be forwarded by relaying before the described 2nd relaying cut-off moment;
4th judging unit, for judging that whether current time is early than the described 2nd relaying cut-off moment;
Then described transmission unit is specifically same as when the 4th judging unit judged result is for being, described search signaling is forwarded to receiving side terminal; When the 4th judging unit judged result is no, described search signaling is not forwarded to receiving side terminal.
5th judging unit, before whether mating with search strainer at the relaying node identifier judged in described search signaling, judges whether the current number of times that described search signaling is forwarded by relaying is greater than preset times;
When described 5th judging unit judged result is for being not more than, then trigger relaying node identifier that described 2nd judging unit performs to judge in described search signaling and search in strainer the step that the permission comprised forwards the identifier parameter of relaying node of described search signaling and whether mate, and the current number of times that described search signaling is forwarded by relaying is added one; When described 5th judging unit judged result is for being greater than, does not then trigger relaying node identifier that described 2nd judging unit performs to judge in described search signaling and search in strainer the step that the permission comprised forwards the identifier parameter of relaying node of described search signaling and whether mate.
Described relaying node identifier is complete public safety applications code, it is the part public safety applications code with asterisk wildcard that the permission that described search strainer comprises forwards the identifier parameter of the relaying node of described search signaling, and/or, one or more complete public safety applications code, then described 2nd judging unit specifically for:
Judge whether the part public safety applications code except the code corresponding with described asterisk wildcard of public safety applications code complete in described search signaling mates with the part public safety applications code except the code corresponding with described asterisk wildcard comprised in search strainer;
And/or, judge whether the public safety applications code in described search signaling mates completely with any one the public safety applications code in the one or more complete public safety applications code comprised in search strainer.
It should be noted that, the concrete function of each unit above-mentioned realizes being described in detail in embodiment of the method, will repeat no more in device embodiment.
In sum:
The present invention discloses a kind of direct-connected communication method of terminal, receives the search signaling that sending side terminal sends, and described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying; Judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying; If it does, then whether the identifier parameter judging the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates; If coupling, then described search signaling is forwarded to receiving side terminal. The multi-hop being forwarded the function of search that search signaling realizes D2D by relaying is searched for, and then strengthens the ability that sending side terminal searches receiving side terminal under various scene, improves user's impression, has ensured the personnel safety of user. Accordingly, the invention also discloses a kind of direct-connected communicator of terminal.
In this specification sheets, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment emphasis illustrated is the difference with other embodiments, between each embodiment identical similar portion mutually see. For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so what describe is fairly simple, relevant part illustrates see method part.
It should be noted that in addition, device embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or can also be distributed on multiple NE. Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme. In addition, in device embodiment accompanying drawing provided by the invention, the connection relational table between module shows to have communication connection between them, specifically can be implemented as one or more communication bus or signal wire. Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
Through the above description of the embodiments, the technician of art can be well understood to the present invention and can realize by the mode that software adds required general hardware, naturally it is also possible to comprises application specific integrated circuit, dedicated cpu, private memory, special components and parts etc. by specialized hardware and realizes. generally, all functions completed by computer program can realize with corresponding hardware easily, and, the concrete hardware structure being used for realizing same function can also be diversified, such as mimic channel, digital circuit or special circuit etc. but, under more susceptible for the purpose of the present invention condition, software program realization is better enforcement mode. based on such understanding, the technical scheme of the present invention in essence or says that part prior art contributed can embody with the form of software product, this computer software product is stored in the storage media that can read, such as the floppy disk of computer, USB flash disk, portable hard drive, read-only storage (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc., comprise some instructions with so that a computer equipment (can be Personal Computer, server, or the network equipment etc.) perform the method described in each embodiment of the present invention.
In sum, above embodiment only in order to the technical scheme of the present invention to be described, is not intended to limit; Although with reference to above-described embodiment to invention has been detailed description, it will be understood by those within the art that: the technical scheme described in the various embodiments described above still can be modified by it, or wherein part technology feature is carried out equivalent replacement; And these amendments or replacement, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. the direct-connected communication method of terminal, it is characterised in that, described method comprises:
Receiving the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying;
Judge whether the mark of the relay transmission in described search signaling represents that described search signaling allows to be forwarded by relaying;
If it does, then whether the identifier parameter judging the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates;
If coupling, then described search signaling is forwarded to receiving side terminal.
2. method according to claim 1, it is characterized in that, described search signaling also comprised for the first relaying cut-off moment, the described first relaying cut-off moment was used for representing before the described first relaying cut-off moment, described search signaling allows to be forwarded by relaying, then before described search signaling is forwarded to receiving side terminal, also comprise:
Obtain in search signaling the first relaying cut-off moment comprised;
Judge that whether current time is early than the described first relaying cut-off moment;
If early than, then described search signaling is forwarded to receiving side terminal;
If be no earlier than, then described search signaling is not forwarded to receiving side terminal.
3. method according to claim 1 and 2, it is characterized in that, described search signaling also comprised for the 2nd relaying cut-off moment, the described 2nd relaying cut-off moment was used for representing before the described 2nd relaying cut-off moment, described search signaling allows to be forwarded by relaying, then before described search signaling is forwarded to receiving side terminal, also comprise:
Obtain the 2nd relaying cut-off moment preset;
Judge that whether current time is early than the described 2nd relaying cut-off moment;
If early than, then described search signaling is forwarded to receiving side terminal;
If be no earlier than, then described search signaling is not forwarded to receiving side terminal.
4. method according to claim 1, it is characterised in that, before whether the relaying node identifier judged in described search signaling mates with search strainer, also comprise:
Judge whether the current number of times that described search signaling is forwarded by relaying is greater than preset times;
If be not more than, then perform to judge relaying node identifier in described search signaling and search in strainer the step that the permission comprised forwards the identifier parameter of relaying node of described search signaling and whether mate, and the current number of times that described search signaling is forwarded by relaying is added one;
If be greater than, then do not perform to judge the relaying node identifier in described search signaling and in search strainer, the permission that comprises forwards the step whether the identifier parameter of the relaying node of described search signaling mate.
5. method according to claim 1, it is characterized in that, described relaying node identifier is complete public safety applications code, it is the part public safety applications code with asterisk wildcard that the permission that described search strainer comprises forwards the identifier parameter of the relaying node of described search signaling, and/or, one or more complete public safety applications code, then whether the identifier parameter that the described relaying node identifier judged in described search signaling forwards the relaying node of described search signaling with the permission that comprises in search strainer mates specifically comprises:
Judge whether the part public safety applications code except the code corresponding with described asterisk wildcard of public safety applications code complete in described search signaling mates with the part public safety applications code except described asterisk wildcard comprised in search strainer;
And/or, judge whether the public safety applications code in described search signaling mates completely with any one the public safety applications code in the one or more complete public safety applications code comprised in search strainer.
6. the direct-connected communicator of terminal, it is characterised in that, described device comprises:
Receiving unit, for receiving the search signaling that sending side terminal sends, described search signaling comprises relay transmission mark and relaying node identifier; Described relay transmission identifies for representing whether described search signaling allows to be forwarded by relaying;
First judging unit, whether the relay transmission mark for judging in described search signaling represents that described search signaling allows to be forwarded by relaying;
2nd judging unit, for when the first judging unit judged result is for being, judging whether the identifier parameter of the relaying node that the relaying node identifier in described search signaling forwards described search signaling with the permission comprised in search strainer mates;
Send unit, for when the 2nd judging unit judged result is for being, described search signaling being forwarded to receiving side terminal.
7. device according to claim 6, it is characterized in that, described search signaling also comprised for the first relaying cut-off moment, and the described first relaying cut-off moment was used for representing before the described first relaying cut-off moment, described search signaling allows to be forwarded by relaying, then described device also comprises:
First acquiring unit, for, before described search signaling is forwarded to receiving side terminal, obtaining in search signaling the first relaying cut-off moment comprised;
3rd judging unit, for judging that whether current time is early than the described first relaying cut-off moment;
Then described transmission unit is specifically for when the 3rd judging unit judged result is for being, being forwarded to receiving side terminal by described search signaling; When the 3rd judging unit judged result is no, described search signaling is not forwarded to receiving side terminal.
8. device according to claim 6 or 7, it is characterized in that, described search signaling also comprised for the 2nd relaying cut-off moment, and the described 2nd relaying cut-off moment was used for representing before the described 2nd relaying cut-off moment, described search signaling allows to be forwarded by relaying, then described device also comprises:
2nd acquiring unit, for, before described search signaling is forwarded to receiving side terminal, obtaining the 2nd relaying cut-off moment preset;
4th judging unit, for judging that whether current time is early than the described 2nd relaying cut-off moment;
Then described transmission unit is specifically same as when the 4th judging unit judged result is for being, described search signaling is forwarded to receiving side terminal; When the 4th judging unit judged result is no, described search signaling is not forwarded to receiving side terminal.
9. device according to claim 6, it is characterised in that, also comprise:
5th judging unit, before whether mating with search strainer at the relaying node identifier judged in described search signaling, judges whether the current number of times that described search signaling is forwarded by relaying is greater than preset times;
When described 5th judging unit judged result is for being not more than, then trigger relaying node identifier that described 2nd judging unit performs to judge in described search signaling and search in strainer the step that the permission comprised forwards the identifier parameter of relaying node of described search signaling and whether mate, and the current number of times that described search signaling is forwarded by relaying is added one; When described 5th judging unit judged result is for being greater than, does not then trigger relaying node identifier that described 2nd judging unit performs to judge in described search signaling and search in strainer the step that the permission comprised forwards the identifier parameter of relaying node of described search signaling and whether mate.
10. device according to claim 6, it is characterized in that, described relaying node identifier is complete public safety applications code, it is the part public safety applications code with asterisk wildcard that the permission that described search strainer comprises forwards the identifier parameter of the relaying node of described search signaling, and/or, one or more complete public safety applications code, then described 2nd judging unit specifically for:
Judge whether the part public safety applications code except the code corresponding with described asterisk wildcard of public safety applications code complete in described search signaling mates with the part public safety applications code except described asterisk wildcard comprised in search strainer;
And/or, judge whether the public safety applications code in described search signaling mates completely with any one the public safety applications code in the one or more complete public safety applications code comprised in search strainer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510287589.2A CN105657783A (en) | 2015-05-29 | 2015-05-29 | Terminal straight-through communication method and device |
| PCT/CN2015/082967 WO2016192164A1 (en) | 2015-05-29 | 2015-06-30 | Device-to-device communication method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510287589.2A CN105657783A (en) | 2015-05-29 | 2015-05-29 | Terminal straight-through communication method and device |
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| CN105657783A true CN105657783A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510287589.2A Pending CN105657783A (en) | 2015-05-29 | 2015-05-29 | Terminal straight-through communication method and device |
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| CN (1) | CN105657783A (en) |
| WO (1) | WO2016192164A1 (en) |
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| WO2016192164A1 (en) | 2016-12-08 |
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