CN106254024B - A kind of data transmission method, relay device and terminal - Google Patents
A kind of data transmission method, relay device and terminal Download PDFInfo
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- CN106254024B CN106254024B CN201610710211.3A CN201610710211A CN106254024B CN 106254024 B CN106254024 B CN 106254024B CN 201610710211 A CN201610710211 A CN 201610710211A CN 106254024 B CN106254024 B CN 106254024B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
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Abstract
The embodiment of the invention discloses a kind of data transmission method, terminal and relay device, the method for the present invention includes：First calling terminal receives the duration offset that the first relay device uses the first time slot to send, duration offset is that the first relay device is determined according to the first business datum, when the first calling terminal receives the instruction for initiating the second service communication, first calling terminal determines the first object moment according to duration offset, and since being carved first object, according to preset time slot length the second business datum is sent to the first relay device, it is not be overlapped that first calling terminal sends used time interval resource and time interval resource used in the second calling terminal the first business datum of transmission when the second business datum.Calling terminal i.e. in the present invention is not necessarily to the process synchronized, i.e., in the present invention, when calling terminal initiates service communication, without waiting for the time of the slot synchronization to complete calling terminal and relay device, can accelerate the transmission of calling terminal business datum.
Description
Technical field
The present invention relates to a kind of private network communication field more particularly to data transmission method for uplink, relay device and terminals.
Background technology
Private wire network or private network, as a kind of supplement of public network or public network, it refers in some rows
Industry, department or internal institution, organized, kept the safety in production to meet it, dispatch control etc. need to be built it is special logical
Communication network.Generally it only provides non-profit-making telecommunications service to inside, does not undertake the obligation of social universal service.It should be understood that special
The fields such as electric power, oil, metallurgy and traffic are had been widely used for communication network.With the development of society and advancement of technology,
Also constantly variation is occurring for the status of private network and effect.Wherein, police Digital Clustering (full name in English：Police Data
Trunk, English abbreviation：PDT) standard is the private network communication standard that The Ministry of Public Security of the People's Republic of China, MOPS promulgates, the standard is simultaneous
Hold digital mobile radio (full name in English：Digital Mobile Radio, English abbreviation：DMR) agreement, when DMR uses double
Gap time division multiple access technology, including two identical time slots, as shown in Figure 1, be relay device standard Timeslot structural schematic diagram,
Including time slot 1 and time slot 2, time slot 1 is identical with the duration of time slot 2, and DMR, which explicitly defines two time slots of relay device, independently to be made
With, also explicitly define mobile terminal use which slot transmission data.
The pattern that mobile terminal establishes communication mainly has direct mode operation and forward mode, wherein refers to not under forward mode
With needing that by relay device, such as base station or intermediate station communication could be established between mobile terminal, and under forward mode,
Mobile terminal and the relay device for triggering communication could carry out after correct slot synchronization the transmitting-receiving of business datum.
For example, the standard Timeslot of relay device includes time slot 2 and time slot 1, when the time slot that mobile terminal can use includes
Gap 1 and time slot 2, if preset synchronization rules are the time slots 1 of 1 synchronous mobile terminal 1 (caller) of time slot of relay device, and
It is communication time slot that mobile terminal 1, which distributes time slot 1, at this point, mobile terminal 1 only sends business datum, and transfer on timeslot 1
Equipment forwards the business datum on timeslot 1, and the other mobile terminals (called) to work on timeslot 1 can just be properly received the industry
Business data；Similarly, preset synchronization rules are the time slots 2, Er Qieyi of 2 synchronous mobile terminal 2 (caller) of time slot of relay device
It is communication time slot that dynamic terminal 2, which distributes time slot 2, at this point, mobile terminal 2 only sends business datum on time slot 2, and transfer is set
It is standby to forward the business datum, the corresponding other mobile terminals (called) being operated on time slot 2 that correctly connect on time slot 2
Receive the business datum.I.e.：In the prior art, if mobile terminal (caller) initiates service communication, if mobile terminal (caller)
Slot synchronization, i.e. relay device un-activation are not carried out with relay device, and mobile terminal (caller) needs asynchronous first to relay device
Activation signaling is sent, after relay device is activated, is started in down channel transmission timing information, mobile terminal (caller) is from downlink
The timing information that issues of relay device is obtained in channel, after completing slot synchronization according to timing information, mobile terminal just start to
Relay device sends business datum.When i.e. mobile terminal (caller) initiates service communication, a period of time is needed to wait for complete to move
The slot synchronization of dynamic terminal (caller) and relay device, leads to mobile terminal (caller) business datum forward delay interval.
Invention content
An embodiment of the present invention provides a kind of data transmission method, relay device and terminals, when terminal originating service is logical
It, can be with the hair of increasing terminal business datum without waiting for the time of the slot synchronization to complete terminal and relay device when letter
It send.
In view of this, first aspect present invention provides one kind
First aspect present invention provides a kind of data transmission method, including：
First calling terminal receives the duration offset that the first relay device uses the first time slot to send, first time slot
For the time slot in the standard Timeslot of first relay device, the duration offset is first relay device according to first
Business datum determines that first business datum is that the second calling terminal starts to send at the first moment, and first moment is
At the time of second calling terminal receives the instruction for initiating the first service communication, the duration offset is the second time slot
Initial time to the duration between first moment, shift durations be the initial time of second time slot to described first when
Shortest duration in duration between quarter, second time slot are the time slot in the standard Timeslot of first relay device, institute
It is different time slots that the second time slot, which is stated, from first time slot；
When first calling terminal receive initiate the second service communication instruction when, first calling terminal according to
The duration offset determines the first object moment, and since being carved the first object, according to preset time slot length to described
First relay device sends the second business datum, when first calling terminal sends used when second business datum
Gap resource and time interval resource used in second calling terminal transmission, first business datum be not be overlapped.
In a kind of possible design, first calling terminal determines the first object moment according to the duration offset
Including：
First calling terminal receives the temporal information that first relay device is sent, and the temporal information includes institute
State the initial time of the first time slot；
First calling terminal is according to described in the determination of the initial time of the duration offset and first time slot
First object moment, the first object moment are the initial time of first time slot deviates the duration offset backward after
At the time of.
In a kind of possible design, slot length in the standard Timeslot of first relay device with it is described preset when
Gap length is isometric.
Second aspect of the present invention provides a kind of method of data transmission, including：
First relay device receives the first business datum that the second calling terminal is sent, second time slot in the second time slot
For the time slot in the first relay device standard Timeslot, first business datum is that second calling terminal is opened at the first moment
It originates and send, at the time of first moment is that second calling terminal receives the instruction for initiating the first service communication；
First relay device determines that duration offset, the duration offset are institute according to first business datum
The initial time of the second time slot is stated to the duration between first moment, shift durations are the initial time of second time slot
Shortest duration in duration between to first moment；
First relay device sends the duration offset using the first time slot to the first calling terminal, so that working as
When first calling terminal receives the instruction for initiating the second service communication, first calling terminal is inclined according to the duration
Shifting amount determines the first object moment, and since the first object moment, according to preset time slot length to first transfer
Equipment sends the second business datum, and first time slot is the time slot in the standard Timeslot of first relay device, and described the
One time slot and second time slot are different time slots, and first calling terminal is used when sending second business datum
Time interval resource and second calling terminal to send time interval resource used in first business datum not be overlapped.
In a kind of possible design, first relay device determines duration offset according to first business datum
Afterwards, further include：
The duration offset is sent to core net by first relay device, so that the core net is by the duration
Offset is sent to the second relay device, so that the duration offset is sent to third caller end by second relay device
End so that when the third calling terminal receive initiate third service communication instruction when, the third calling terminal according to
The duration offset determines the second object time, and since second object time, according to the preset time slot length
Third business datum is sent to second relay device.
In a kind of possible design, before the duration offset is sent to the second relay device by the core net,
Further include：
The core net judges currently whether receive the business datum that first relay device is sent；
If receiving the business datum that first relay device is sent, the industry that first relay device is sent is sent
Data of being engaged in are to second relay device.
Third aspect present invention provides a kind of terminal, including：
Receiving module, the duration offset for receiving the first relay device using the transmission of the first time slot, when described first
Gap is the time slot in the standard Timeslot of first relay device, and the duration offset is first relay device according to the
One business datum determines that first business datum is that the second calling terminal starts to send at the first moment, first moment
At the time of receiving the instruction for initiating the first service communication for second calling terminal, the duration offset is the second time slot
Initial time to the duration between first moment, shift durations are the initial time of second time slot to described first
Shortest duration in duration between moment, second time slot are the time slot in the standard Timeslot of first relay device,
Second time slot is different time slots from first time slot；
Determining module, for when the first calling terminal receives the instruction for initiating the second service communication, described first to lead
The duration offset that terminal is received according to the receiving module is made to determine the first object moment；
Sending module, for since being carved the first object that the determining module determines, according to preset time slot length
The second business datum is sent to first relay device, first calling terminal is made when sending second business datum
Time interval resource and time interval resource used in second calling terminal transmission, first business datum be not be overlapped.
In a kind of possible design, the determining module includes：
Receiving unit, the temporal information for receiving the transmission of the second relay device, the temporal information includes described first
The initial time of time slot；
Determination unit, for determining described first according to the initial time of the duration offset and first time slot
Object time, the first object moment be the initial time of first time slot deviate backward after the duration offset when
It carves.
Fourth aspect present invention provides a kind of relay device, including：
Receiving module, for receiving the first business datum that the second calling terminal is sent in the second time slot, when described second
Gap is the time slot in the first relay device standard Timeslot, and first business datum is second calling terminal at the first moment
Start to send, at the time of first moment is that second calling terminal receives the instruction for initiating the first service communication；
Determining module, for determining duration offset according to first business datum, the duration offset is described
The initial time of second time slot to the duration between first moment, shift durations be the initial time of second time slot extremely
Shortest duration in duration between first moment；
Sending module, for sending the duration offset to the first calling terminal using the first time slot, so that working as institute
State the first calling terminal receive initiate the second service communication instruction when, first calling terminal is deviated according to the duration
Amount determines the first object moment, and since the first object moment, is set to first transfer according to preset time slot length
Preparation send the second business datum, and first time slot is the time slot in the standard Timeslot of first relay device, and described first
Time slot and second time slot are different time slots, and first calling terminal sends used when second business datum
Time interval resource and time interval resource used in second calling terminal transmission, first business datum be not be overlapped.
In a kind of possible design, the sending module is additionally operable to：
The duration offset is sent to core net, so that the duration offset is sent to second by the core net
Relay device, so that the duration offset is sent to third calling terminal by second relay device, so that when described the
When three calling terminals receive the instruction for initiating third service communication, the third calling terminal is true according to the duration offset
Fixed second object time, and since second object time third business datum is sent to second relay device.
As can be seen from the above technical solutions, in this implementation, the first calling terminal receives the first relay device and uses first
The duration offset that time slot is sent, the first time slot are the time slot in the standard Timeslot of the first relay device, and duration offset is the
One relay device determines that the first business datum is that the second calling terminal starts to send at the first moment according to the first business datum,
At the time of first moment was that the second calling terminal receives the instruction for initiating the first service communication, duration offset is the second time slot
Initial time to the duration between the first moment, shift durations be the second time slot initial time between the first moment when
Shortest duration in length, the second time slot are the time slot in the standard Timeslot of the first relay device, and the second time slot is with the first time slot
Different time slots；When the first calling terminal receives the instruction for initiating the second service communication, the first calling terminal is according to duration
Offset determines the first object moment, and since being carved first object, is sent to the first relay device according to preset time slot length
Second business datum, the first calling terminal send used time interval resource and the second calling terminal when the second business datum and send
Time interval resource is not overlapped used in first business datum.I.e.：In the present invention, the second calling terminal can momentarily send first
Business datum, without synchronizing, the moment determined by the duration offset that the first calling terminal is issued according to relay device opens
Begin, the second business datum is sent according to preset time slot length, it is same without synchronizing, and the second calling terminal and the first master
Used time interval resource does not have sending overlap when terminal being made to send business datum.Calling terminal i.e. in the present invention is without carrying out
When synchronous process, i.e. calling terminal initiate service communication, without waiting for completing the time slot of calling terminal and relay device
The synchronous time can accelerate the transmission of calling terminal business datum.
Description of the drawings
Fig. 1 is relay device standard Timeslot structural schematic diagram；
Fig. 2 is intermediate station modular system configuration diagram；
Fig. 3 broadcasts modular system configuration diagram to be same；
Fig. 4 is a kind of data transmission method one embodiment flow diagram of the present invention；
Fig. 5 is a kind of sending time slots schematic diagram of data transmission method one embodiment of the present invention；
Fig. 6 is a kind of sending time slots schematic diagram of another embodiment of data transmission method of the present invention；
Fig. 7 is a kind of terminal one embodiment structural schematic diagram of the present invention；
Fig. 8 is a kind of relay device one embodiment structural schematic diagram of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
Term " first ", " second ", " third " in description and claims of this specification and above-mentioned attached drawing, "
The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " comprising " and and their any deformation, it is intended that covering not
Exclusive includes, for example, contain the process of series of steps or unit, method, system, product or equipment be not necessarily limited to it is clear
Step or unit those of are listed in ground, but may include not listing clearly or for these processes, method, product or set
Standby intrinsic other steps or unit.
Simultaneously in order to make it easy to understand, first several preset conditions that the present embodiment is used are described below：
First time slot and the second time slot be under relay device standard Timeslot in two independent time slots, i.e., it is right respectively
Answer time slot 1 and time slot 2 shown in FIG. 1；
First calling terminal：For the calling terminal under preset first time slot；
First called terminal：For the called terminal under preset first time slot；
Second calling terminal：For the calling terminal under preset second time slot；
Second called terminal：For the called terminal under preset second time slot,
Third calling terminal：For the calling terminal under preset first time slot；
Third called terminal：For the calling terminal under preset first time slot.
It should be understood that according to cloth web frame, mainly there is intermediate station pattern and broadcast pattern, the transmission side data in the present invention together
Method is mainly used under above two pattern, but is not limited to above two pattern, to facilitate the understanding of the present invention, separately below
One simple description is carried out to the system architecture under the both of which：
Wherein, under intermediate station pattern, only there are one relay devices, and all terminals are all in the covering model of the relay device
Lower work is enclosed, system architecture is as shown in Fig. 2, in Fig. 2, and circle indicates the coverage area of relay device, in the relay device
Under coverage area, including the first calling terminal, the time slot 1 of the second calling terminal, i.e. relay device in its standard Timeslot structure
What is received is the data of the transmission of the first calling terminal, and what is received in the time slot 2 in its standard Timeslot structure is the second caller
The data that terminal is sent, further include the first called terminal and multiple second called terminals in Fig. 2, when the first calling terminal and the
When one called terminal equipment establishes service communication, the data forwarding that relay device is sent the first calling terminal by time slot 1 is extremely
First called terminal, when the second calling terminal and the second called terminal establish service communication, relay device is by time slot 2 by
The data forwarding that two calling terminals are sent is to the second called terminal.I.e.：In the standard Timeslot of relay device, two time slot is independent
It uses, is respectively allocated to different calling terminal and called terminal.
Wherein, including 2 under broadcasting pattern, referring in its networking structure, but be not limited solely to 2 relay devices,
Here its system architecture is illustrated for including 2 relay devices, system architecture as shown in figure 3, in Fig. 3, including
First relay device and the second relay device include the first calling terminal, the second caller under the first relay device coverage area
Terminal, multiple second called terminals and the first called terminal, under the second relay device coverage area, including third calling terminal
And multiple third calling terminals.Wherein, it is connected by core net between the first relay device and the second relay device.It is broadcast same
Under pattern, when the first relay device receives the data of the first calling terminal transmission, the first relay device can turn data
The first called terminal being sent under the first relay device coverage area, and core net can be sent data to, core net again will
Data distributing to the second relay device, the second relay device can be forwarded the data to again under the second relay device coverage area
Third called terminal.I.e. when the calling terminal under some relay device initiates service communication, not only it is subordinate under same relay device
Business datum can be received by belonging to other called terminals of same time slot, and by core net, other relay devices cover model
Business datum can also be received by being under the jurisdiction of the called terminal of same time slot in enclosing, and can be handed down to business datum by core net
All relay devices that it is administered.
The data transmission method in the present invention is described below by embodiment：
Referring to Fig. 4, Fig. 4 is a kind of data transmission method one embodiment flow diagram of the present invention, including：
401, the first calling terminal receives the duration offset that the first relay device uses the first time slot to send；
In the present embodiment, the first calling terminal can receive the first relay device and be deviated using the duration that the first time slot is sent
Amount, wherein the first time slot be the first relay device standard Timeslot in time slot, duration offset be the first relay device according to
First business datum determines that the first business datum is that the second calling terminal starts to send at the first moment, and the first moment was second
At the time of calling terminal receives the instruction for initiating the first service communication, duration offset is the initial time of the second time slot to the
Duration between one moment, and be most short in initial time to the duration between the first moment that shift durations are the second time slot
Duration, the second time slot is the time slot in the standard Timeslot of the first relay device, and still, the second time slot and the first time slot are different
Time slot, i.e. the first time slot be respectively two independent time slots under relay device standard Timeslot with the second time slot.
What needs to be explained here is that the first service communication can be specifically voice call service or video calling industry
The service communications such as business, do not limit specifically herein.
402, the first calling terminal judges whether to receive the instruction for initiating the second service communication, when judgement determination receives
When initiating the instruction of the second service communication, step 403 is executed；
In the present embodiment, the first calling terminal can decide whether to have received the finger that user initiates the second service communication
Enable, when the first calling terminal determine receive user initiate the second service communication instruction, then follow the steps 403.
Similarly, the second service communication can also be specifically that the business such as voice call service or video call service are logical
Letter, does not limit specifically herein.
403, the first calling terminal determines the first object moment according to duration offset；
It, can be according to this when the first calling terminal, which determines, receives the instruction for initiating the second service communication in the present embodiment
Duration offset determines the first object moment.
404, the first calling terminal sends second according to preset time slot length since object time to the first relay device
Business datum.
In the present embodiment, when the first calling terminal determines that having received user initiates the instruction of the second service communication, and
It, can be since the first object moment, according to preset time slot length and after according to duration offset the first object moment being determined
The second business datum is sent, and the first calling terminal sends used time interval resource and the second caller when the second business datum
Terminal sends time interval resource used in the first business datum and is not overlapped.
What needs to be explained here is that in the present embodiment, the specific duration of preset time slot length is not limited, as long as making
The second calling terminal is obtained since the first object moment, when sending business datum according to preset time slot length, when occupied
Occupied time interval resource is not be overlapped when gap resource does not send business datum with the first calling terminal.
In this implementation, the first calling terminal receives the duration offset that the first relay device uses the first time slot to send, the
One time slot is the time slot in the standard Timeslot of the first relay device, and duration offset is the first relay device according to the first business number
According to determination, the first business datum is that the second calling terminal starts to send at the first moment, and the first moment was that the second calling terminal connects
At the time of receiving the instruction for initiating the first service communication, duration offset is the initial time of the second time slot between the first moment
Duration, shift durations be the second time slot initial time to the duration between the first moment in shortest duration, the second time slot
For the time slot in the standard Timeslot of the first relay device, the second time slot is different time slots from the first time slot；When the first caller end
When termination receives the instruction for initiating the second service communication, the first calling terminal determines the first object moment according to duration offset,
And since target carve start to, according to preset time slot length to the first relay device transmission the second business datum, the first calling terminal
It sends used time interval resource and the second calling terminal when the second business datum and sends time slot used in the first business datum
Resource is not overlapped.I.e.：In the present invention, the second calling terminal can momentarily send the first business datum, without synchronizing, the
Moment determined by the offset information that one calling terminal is issued according to relay device sends the second business datum, same without carrying out
It is synchronous, and used time interval resource does not send weight when the second calling terminal and the first calling terminal transmission business datum
It is folded.Calling terminal i.e. in the present invention is not necessarily to the process that synchronizes, i.e., when calling terminal initiates service communication, without waiting for
To complete the time of the slot synchronization of calling terminal and relay device, the transmission of calling terminal business datum can be accelerated.
Wherein, it is seen in conjunction with above-described embodiment, it is preferable that the first calling terminal determines object time according to duration offset,
It specifically can be in the following way：
First calling terminal receives the temporal information that the first relay device is sent, wherein temporal information includes the first time slot
Initial time；
First calling terminal determines the first object moment according to the initial time of duration offset and the first time slot, the mesh
Mark initial time that the moment is the first time slot backward after shift durations offset at the time of.
Preferably, above-mentioned preset time slot length is identical as the length of the time slot under the standard Timeslot of relay device.
To facilitate the understanding of the present invention, the present embodiment is introduced with reference to Fig. 5, Fig. 5 is a kind of data of the present invention
The sending time slots schematic diagram of transmission method one embodiment：
As shown in figure 5, in the present invention, calling terminal equipment can initiate service communication whenever and wherever possible, initiate here
Service communication be call business for, be described in conjunction with Fig. 5:As shown in figure 5, in relay device standard Timeslot, white is empty
Lattice indicate that the second time slot, grey space indicate the first time slot；In calling terminal sending time slots, white spaces indicate the second caller
Terminal sending time slots, grey space indicate the first calling terminal sending time slots.
It, can be at this point, for the second calling terminal it is assumed that establish first via calling is the second calling terminal
When initiate to call everywhere, that is, it is assumed that its first moment initiate service communication, that is, its initiate calling at the time of and transfer
The initial time of second time slot of equipment is misaligned, and there are duration offsets between the initial time of the second time slot and the first moment
Amount, but the second calling terminal still begins setting up the time slot of oneself from the first moment, and call data are sent according to the time slot of oneself,
It specifically can be with as shown in figure 5, road as seen from the figure, i.e., it is assumed that standard Timeslot relative to base station, the second calling terminal are sent
Each time slot of call data, relative to the initial time of the second time slot, the initial time of the second calling terminal sending time slots is complete
Portion deviates above-mentioned duration offset, and the length of each sending time slots is equal to default slot length.Relay device is receiving
When the call data that two calling terminals were sent at the first moment, relay device can determine that above-mentioned duration is inclined according to the call data
Shifting amount, and in another channel time slot of relay device, i.e. the first time slot issues the duration offset to the caller under another channel time slot
Terminal, i.e. the first calling terminal, and the temporal information for the initial time for including the first time slot is issued to first in the first time slot
Calling terminal after the initial time of the first time slot deviates above-mentioned duration amount backward, is opened when the first calling terminal initiates to call
It establishes and founds the time slot of oneself, i.e.,：For the first calling terminal, the initial time of the time slot of call data is sent, relative in
Turn the first time slot of equipment, also all deviates above-mentioned duration offset, and the slot length of each sending time slots is equal to preset time slot
Length.That is, in the present embodiment, the length of each sending time slots of calling terminal equipment is equal to relay device standard Timeslot,
Call data are sent then according to preset time slot length, and both the first calling terminal and the second calling terminal establish calling simultaneously
When sending call data, transmission resource between the two does not overlap, it should be noted that the first calling terminal and the
Two calling terminals send call data used structure of time slot, other than the structure of time slot described in above-mentioned Fig. 5, also its
His mode, specific this do not limit.Such as it can also be sent using structure of time slot shown in fig. 6：
Referring to Fig. 6, Fig. 6 is a kind of sending time slots schematic diagram of another embodiment of data transmission method of the present invention：Assuming that
Establish the first via calling the second calling terminal, the first moment initiate service communication, that is, its initiate calling at the time of and transfer
The initial time of second time slot of equipment is misaligned, and there are duration offsets between the initial time of the second time slot and the first moment
Amount, but the second calling terminal still begins setting up the time slot of oneself from the first moment, is established according to duration offset and increment T
The time slot of oneself, and call data are sent, it is specific as shown in Figure 6, that is, relative to the standard Timeslot of base station, the second calling terminal
The initial time for sending each time slot of call data, relative to the initial time of the second time slot, all above-mentioned durations of offset
Sum between offset and increment T.Relay device is when receiving the call data of the second calling terminal transmission, relay device
Above-mentioned duration offset T can be determined according to the call data that second calling terminal is sent, and in the another way of relay device
Time slot, i.e. the first time slot issue the duration offset to the calling terminal under another channel time slot, i.e. the first calling terminal, and the
One time slot issues the temporal information for the initial time for including the first time slot to the first calling terminal, when the first calling terminal is initiated
It, can be after the initial time of the first time slot deviates above-mentioned duration amount and increment T backward, according to preset time slot length when calling
Begin setting up the time slot of oneself, it is preferable that preset time slot length is equal to the length of the standard Timeslot under relay device, i.e.,：For
First calling terminal, sends the initial time of the time slot of call data, when starting relative to the first time slot of relay device
It carves, also all deviates above-mentioned duration offset and increment T.Finally, call data, the first caller are sent according to default slot length
When both terminal and the second calling terminal establish calling and send call data, at this point, under structure of time slot shown in Fig. 6,
Sending time slots resource between the two does not also overlap.
Wherein, the specific duration of increment T is not limited here, can be configured according to practical situations.
In this implementation, the first calling terminal receives the duration offset that the first relay device uses the first time slot to send, the
One time slot is the time slot in the standard Timeslot of the first relay device, and duration offset is the first relay device according to the first business number
According to determination, the first business datum is that the second calling terminal starts to send at the first moment, and the first moment was that the second calling terminal connects
At the time of receiving the instruction for initiating the first service communication, duration offset is the initial time of the second time slot between the first moment
Duration, shift durations be the second time slot initial time to the duration between the first moment in shortest duration, the second time slot
For the time slot in the standard Timeslot of the first relay device, the second time slot is different time slots from the first time slot；When the first caller end
When termination receives the instruction for initiating the second service communication, the first calling terminal determines the first object moment according to duration offset,
And the second business datum is sent to the first relay device since being carved first object, the first calling terminal sends the second business datum
When used time interval resource and the second calling terminal to send time interval resource used in the first business datum not be overlapped.I.e.：This
In invention, the second calling terminal can momentarily send the first business datum, and without synchronizing, the first calling terminal is in
Turn the second business datum of moment transmission determined by the offset information that equipment issues, it is same without synchronizing, and the second caller
Used time interval resource does not have sending overlap when terminal and the first calling terminal transmission business datum.Master i.e. in the present invention
Make terminal be not necessarily to the process that synchronizes, i.e., when calling terminal initiates service communication, without waiting for complete calling terminal and
The time of the slot synchronization of relay device can accelerate the transmission of calling terminal business datum.
When the first relay device receives the business datum that the first calling terminal and the second calling terminal are sent, first
The business datum that relay device can receive is handed down to corresponding called terminal in corresponding time slot, realizes calling terminal and is called
Between service communication.
It should be understood that above-described embodiment is based on the signal intelligence in the case of a relay device, i.e., under intermediate station pattern
Implement the present invention.
It should be noted that when the present invention is applied to broadcasting under pattern, the first relay device receives the first caller end
After the business datum that end and the second calling terminal are sent, in addition to the called terminal being handed down under the first relay device coverage area
Outside, business datum is also sent to core net, the business datum that relay device is sent is transmitted to other transfers by core net again
Equipment realizes the service communication between called under calling terminal and whole system.
It should be understood that when the present invention is applied to broadcasting under pattern, when the first relay device is determined according to the first business datum
After long offset, this method further includes：
Duration offset is sent to core net by the first relay device, so that duration offset is sent to second by core net
Relay device, so that duration offset is sent to third calling terminal by the second relay device, so that when third calling terminal connects
When receiving the instruction for initiating third service communication, third calling terminal determines the second object time according to duration offset, and from
Second object time starts, and third business datum is sent to the second relay device according to preset time slot length.
That is, duration offset is forwarded to the second relay device by the first relay device by core net, i.e. the first transfer is set
It is standby outer, other relay devices under system, at this time the second relay device duration offset can be sent to the second transfer and set
Calling terminal under standby coverage area, under the second relay device coverage area receive duration offset after, when needing to initiate
When service communication, establishes the time slot of oneself also according to duration offset and send business datum, before concrete mode is referred to
The description of the second calling terminal of embodiment is stated, which is not described herein again.
It is further to note that preferably, it, can be first before duration offset is sent to the second relay device by core net again
Judge that currently whether there is or not business datums to need to forward, when sometimes, first forwarding service data retransmit duration offset, i.e., in core
This side is netted, there are priority relationships between business datum and duration offset.However, it is desirable to it is preferred embodiment here to emphasize,
But it is not excluded in some special circumstances, first sends out duration offset, can be configured according to concrete application situation, here not
It limits.
As seen from the above description, in the present invention, the second calling terminal can momentarily send the first business datum, be not necessarily to
Synchronize, the moment determined by the duration offset that the first calling terminal is issued according to relay device, according to it is preset when
Gap length sends the second business datum, same without synchronizing, and the second calling terminal and the first calling terminal send industry
Used time interval resource does not have sending overlap when data of being engaged in.Calling terminal i.e. in the present invention is not necessarily to the process synchronized,
When i.e. calling terminal initiates service communication, without waiting for the time of the slot synchronization to complete calling terminal and relay device,
It can accelerate the transmission of calling terminal business datum.
A kind of data transmission method in the present invention is described above, the terminal in the present invention is retouched below
It states：
Referring to Fig. 7, Fig. 7 is a kind of terminal one embodiment structural schematic diagram of the present invention, including：
Receiving module 701, the duration offset for using the first time slot to send for receiving the first relay device, the first time slot
For the time slot in the standard Timeslot of the first relay device, duration offset is that the first relay device is true according to the first business datum
Fixed, the first business datum is that the second calling terminal starts to send at the first moment, and the first moment was that the second calling terminal receives
At the time of initiating the instruction of the first service communication, duration offset be the second time slot initial time between the first moment when
It is long, shift durations be the second time slot initial time to the duration between the first moment in shortest duration, the second time slot is the
Time slot in the standard Timeslot of one relay device, the second time slot are different time slots from the first time slot；
Determining module 702, for when the first calling terminal receive initiate the second service communication instruction when, the first caller
Terminal determines the first object moment according to the duration offset that receiving module 701 receives；
Sending module 703, for since being carved first object that determining module 702 determines, according to preset time slot length to
First relay device sends the second business datum, when the first calling terminal sends the second business datum used time interval resource with
Second calling terminal sends time interval resource used in the first business datum and is not overlapped.
In a kind of possible design, determining module 702 includes：
Receiving unit 7021, the temporal information for receiving the transmission of the second relay device, temporal information include the first time slot
Initial time；
Determination unit 7022, when for determining first object according to the initial time of duration offset and the first time slot
Carve, the first object moment be the first time slot initial time backward after shift durations offset at the time of.
The terminal in the present invention is described above, a kind of relay device in the present invention is described below, is asked
It is relay device one embodiment structural schematic diagram in the present invention refering to Fig. 8, Fig. 8, including：
Receiving module 801, for receiving the first business datum that the second calling terminal is sent, the second time slot in the second time slot
For the time slot in the first relay device standard Timeslot, the first business datum is that the second calling terminal starts to send at the first moment,
At the time of first moment was that the second calling terminal receives the instruction for initiating the first service communication；
Determining module 802, for determining that duration offset, duration offset are the second time slot according to the first business datum
For initial time to the duration between the first moment, shift durations are the initial time of the second time slot to the duration between the first moment
In shortest duration；
Sending module 803, for sending duration offset to the first calling terminal using the first time slot, so that when first
When calling terminal receives the instruction for initiating the second service communication, the first calling terminal determines first object according to duration offset
Moment, and since the first object moment sends the second business datum according to preset time slot length to the first relay device, and first
Time slot is the time slot in the standard Timeslot of the first relay device, and the first time slot and the second time slot are different time slots, the first caller
Terminal sends used time interval resource and the second calling terminal when the second business datum and sends used in the first business datum
Time interval resource is not overlapped.
In a kind of possible design, sending module 803 is additionally operable to：
Duration offset is sent to core net, so that duration offset is sent to the second relay device by core net, with
Make the second relay device that duration offset is sent to third calling terminal, so that when third calling terminal receives initiation third
When the instruction of service communication, third calling terminal determines the second object time according to duration offset, and from the second object time
Start to send third business datum to the second relay device.
In the present embodiment, the second calling terminal can momentarily send the first business datum, without synchronizing, the first master
The moment determined by the duration offset that terminal issues according to relay device is cried, the second industry is sent according to preset time slot length
Business data, it is same without synchronizing and used when the second calling terminal and the first calling terminal transmission business datum
Time interval resource does not have sending overlap.Calling terminal i.e. in the present invention is not necessarily to the process synchronized, i.e. calling terminal initiates industry
When business communication, without waiting for the time of the slot synchronization to complete calling terminal and relay device, calling terminal can be accelerated
The transmission of business datum.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (full name in English：Read-Only
Memory, English abbreviation：ROM), random access memory (full name in English：Random Access Memory, English abbreviation：
RAM), the various media that can store program code such as magnetic disc or CD.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (12)
1. a kind of data transmission method, which is characterized in that including：
First calling terminal receives the duration offset that the first relay device uses the first time slot to send, and first time slot is institute
The time slot in the standard Timeslot of the first relay device is stated, the duration offset is first relay device according to the first business
Data determine that first business datum is that the second calling terminal starts to send at the first moment, and first moment is described
At the time of second calling terminal receives the instruction for initiating the first service communication, the duration offset is the starting of the second time slot
Moment to the duration between first moment, shift durations be second time slot initial time to first moment it
Between duration in shortest duration, second time slot is the time slot in the standard Timeslot of first relay device, described the
Two time slots are different time slots from first time slot；
When first calling terminal receives the instruction for initiating the second service communication, first calling terminal is according to
Duration offset determines the first object moment, and since being carved the first object, according to preset time slot length to described first
Relay device sends the second business datum, and first calling terminal sends used time slot money when second business datum
Source and time interval resource used in second calling terminal transmission, first business datum be not be overlapped.
2. according to the method described in claim 1, it is characterized in that, first calling terminal is true according to the duration offset
Determining the first object moment includes：
First calling terminal receives the temporal information that first relay device is sent, and the temporal information includes described the
The initial time of one time slot；
First calling terminal determines described first according to the initial time of the duration offset and first time slot
Object time, the first object moment be the initial time of first time slot deviate backward after the duration offset when
It carves.
3. method according to claim 1 or 2, which is characterized in that in the standard Timeslot of first relay device when
Gap length and the preset time slot length are isometric.
4. a kind of method of data transmission, which is characterized in that including：
First relay device receives the first business datum that the second calling terminal is sent in the second time slot, and second time slot is institute
The time slot in the first relay device standard Timeslot is stated, first business datum is that second calling terminal is opened at the first moment
It originates and send, at the time of first moment is that second calling terminal receives the instruction for initiating the first service communication；
First relay device determines duration offset according to first business datum, and the duration offset is described the
The initial time of two time slots to the duration between first moment, shift durations for second time slot initial time to institute
State shortest duration in the duration between the first moment；
First relay device sends the duration offset using the first time slot to the first calling terminal, so that when described
When first calling terminal receives the instruction for initiating the second service communication, first calling terminal is according to the duration offset
The first object moment is determined, and since the first object moment, according to preset time slot length to first relay device
Send the second business datum, first time slot is the time slot in the standard Timeslot of first relay device, when described first
Gap and second time slot are different time slots, when first calling terminal sends used when second business datum
Gap resource and time interval resource used in second calling terminal transmission, first business datum be not be overlapped.
5. according to the method described in claim 4, it is characterized in that, first relay device is according to first business datum
After determining duration offset, further include：
The duration offset is sent to core net by first relay device, so that the core net deviates the duration
Amount is sent to the second relay device, so that the duration offset is sent to third calling terminal by second relay device,
So that when the third calling terminal receives the instruction for initiating third service communication, the third calling terminal is according to
Duration offset determines the second object time, and since second object time, according to the preset time slot length to institute
It states the second relay device and sends third business datum.
6. according to the method described in claim 5, it is characterized in that, the duration offset is sent to second by the core net
Before relay device, further include：
The core net judges currently whether receive the business datum that first relay device is sent；
If receiving the business datum that first relay device is sent, the business number that first relay device is sent is sent
According to extremely second relay device.
7. a kind of terminal, which is characterized in that including：
Receiving module, the duration offset for using the first time slot to send for receiving the first relay device, first time slot are
Time slot in the standard Timeslot of first relay device, the duration offset are first relay device according to the first industry
Data of being engaged in determine that first business datum is that the second calling terminal starts to send at the first moment, and first moment is institute
State the second calling terminal receive initiate the first service communication instruction at the time of, the duration offset be the second time slot rise
The moment begin to the duration between first moment, shift durations are the initial time of second time slot to first moment
Between duration in shortest duration, second time slot be first relay device standard Timeslot in time slot, it is described
Second time slot is different time slots from first time slot；
Determining module, for when the first calling terminal receives the instruction for initiating the second service communication, first caller to be whole
The duration offset received according to the receiving module is held to determine the first object moment；
Sending module, for since being carved the first object that the determining module determines, according to preset time slot length to institute
It states the first relay device and sends the second business datum, first calling terminal sends used when second business datum
Time interval resource and time interval resource used in second calling terminal transmission, first business datum be not be overlapped.
8. terminal according to claim 7, which is characterized in that the determining module includes：
Receiving unit, the temporal information for receiving the transmission of the second relay device, the temporal information includes first time slot
Initial time；
Determination unit, for determining the first object according to the initial time of the duration offset and first time slot
Moment, at the time of the first object moment is that the initial time of first time slot deviates after the duration offset backward.
9. a kind of relay device, which is characterized in that including：
Receiving module, for receiving the first business datum that the second calling terminal is sent in the second time slot, second time slot is
Time slot in first relay device standard Timeslot, first business datum are that second calling terminal starts at the first moment
It sends, at the time of first moment is that second calling terminal receives the instruction for initiating the first service communication；
Determining module, for determining that duration offset, the duration offset are described second according to first business datum
For the initial time of time slot to the duration between first moment, shift durations are the initial time of second time slot to described
Shortest duration in duration between first moment；
Sending module, for sending the duration offset to the first calling terminal using the first time slot, so that when described the
When one calling terminal receives the instruction for initiating the second service communication, first calling terminal is true according to the duration offset
Determine the first object moment, and since the first object moment, is sent out to first relay device according to preset time slot length
It is the time slot in the standard Timeslot of first relay device, first time slot to send the second business datum, first time slot
It is different time slots with second time slot, first calling terminal sends used time slot when second business datum
Resource and time interval resource used in second calling terminal transmission, first business datum be not be overlapped.
10. relay device according to claim 9, which is characterized in that the sending module is additionally operable to：
The duration offset is sent to core net, so that the duration offset is sent to the second transfer by the core net
Equipment, so that the duration offset is sent to third calling terminal by second relay device, so as to work as the third master
When terminal being made to receive the instruction for initiating third service communication, the third calling terminal determines the according to the duration offset
Two object times, and since second object time third business datum is sent to second relay device.
11. a kind of terminal, which is characterized in that including：
Processor；
Memory, for storing program code；
Communication interface；
Receiver, transmitter；
The processor, the receiver, the transmitter, the storage device and the communication interface pass through between by total
Line is connected with each other；
The receiver receives the duration offset that the first relay device uses the first time slot to send, and first time slot is described
Time slot in the standard Timeslot of first relay device, the duration offset are first relay device according to the first business number
According to determination, first business datum is that the second calling terminal starts to send at the first moment, and first moment is described the
At the time of two calling terminals receive the instruction for initiating the first service communication, when the duration offset is the starting of the second time slot
It carves to the duration between first moment, shift durations are the initial time of second time slot between first moment
Duration in shortest duration, second time slot be first relay device standard Timeslot in time slot, described second
Time slot is different time slots from first time slot；
The processor reads the said program code stored in the storage device, and wherein said program code includes instruction,
When the processor executes described instruction, described instruction causes the processor to execute following operation：
When the first calling terminal receives the instruction for initiating the second service communication, the duration received according to the receiving module is inclined
Shifting amount determines the first object moment；
The transmitter sends second since being carved the first object, according to preset time slot length to first relay device
Business datum, first calling terminal send used time interval resource and second caller when second business datum
Terminal sends time interval resource used in first business datum and is not overlapped.
12. a kind of relay device, which is characterized in that including：
Processor；
Memory, for storing program code；
Communication interface；
Receiver, transmitter；
The processor, the receiver, the transmitter, the storage device and the communication interface pass through bus phase intercommunication
Letter；
The transmitter receives the first business datum that the second calling terminal is sent in the second time slot, and second time slot is first
Time slot in relay device standard Timeslot, first business datum are that second calling terminal starts to send out at the first moment
It send, at the time of first moment is that second calling terminal receives the instruction for initiating the first service communication；
The processor reads the said program code stored in the storage device, and wherein said program code includes instruction,
When the processor executes described instruction, described instruction causes the processor to execute following operation：
Determine that duration offset, the duration offset are the initial time of second time slot according to first business datum
Duration between to first moment, shift durations are the initial time of second time slot between first moment
Shortest duration in duration；
The transmitter sends the duration offset using the first time slot to the first calling terminal, so that as first master
When terminal being made to receive the instruction for initiating the second service communication, first calling terminal determines the according to the duration offset
One object time, and since the first object moment sends the according to preset time slot length to first relay device
Two business datums, first time slot are the time slot in the standard Timeslot of first relay device, first time slot and institute
It is different time slots to state the second time slot, and first calling terminal sends used time interval resource when second business datum
Time interval resource is not be overlapped used in sending first business datum with second calling terminal.
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| CN201610710211.3A CN106254024B (en) | 2016-08-23 | 2016-08-23 | A kind of data transmission method, relay device and terminal |
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| CN110418415B (en) * | 2019-07-25 | 2023-06-13 | 哈尔滨海能达科技有限公司 | Cluster communication system signal transfer method, terminal, transfer equipment and cluster communication system |
| CN113347706B (en) * | 2021-06-01 | 2023-05-16 | 四川中电昆辰科技有限公司 | System and method for determining position occurrence time of device to be positioned in positioning system |
| CN113543343B (en) * | 2021-07-16 | 2022-10-25 | 哈尔滨海能达科技有限公司 | Wireless communication networking method and system |
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| TW299540B (en) * | 1995-09-26 | 1997-03-01 | P Johnson Neldon | Digital communications modulation method and apparatus |
| CN1893312A (en) * | 2005-07-04 | 2007-01-10 | 大唐移动通信设备有限公司 | Method for defining available signal by terminal under direct connection mode and communication method |
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