CN106254043A - Method, base station and the target terminal of a kind of data transmission - Google Patents
Method, base station and the target terminal of a kind of data transmission Download PDFInfo
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- CN106254043A CN106254043A CN201610752812.0A CN201610752812A CN106254043A CN 106254043 A CN106254043 A CN 106254043A CN 201610752812 A CN201610752812 A CN 201610752812A CN 106254043 A CN106254043 A CN 106254043A
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- frame
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- mistake
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
The method that the embodiment of the invention discloses the transmission of a kind of data, for reducing the time of re-transmission, saves channel resource.Described method is applied to police digital cluster system, and described police digital cluster system includes base station and multiple target terminal, the method comprise the steps that base station sends packet to the plurality of target terminal, and described packet includes Frame；Described base station receives the mistake frame information of target terminal feedback, and described frame information by mistake includes the information of described error data frame；Described base station sends and the described Frame that frame information is corresponding by mistake to described target terminal.
Description
Technical field
The present invention relates to the communications field, particularly relate to method, base station and the target terminal of the transmission of a kind of data.
Background technology
Police Digital Clustering (Police Digital Trunking, PDT) standard is a kind of national conditions according to China, note
Enter the brand-new Digital Clustering system of chinese producers autonomous innovation factor.PDT standard has overlay area AES big, domestic
The advantages such as encryption and decryption, producer's system interconnect, the simple cost of backward compatible analog systems, technology is low.PDT standard will be with public security
Based on police demand, progressively expand to other industry, be increasingly becoming one of Digital Clustering standard of whole world main flow.And be grouped
Data service, as important data transmission service a kind of under PDT system, have also been obtained and is widely applied.
In existing PDT system, during multicastapackets transmission packet, there is number as long as having in the packet that target terminal receives
Makeing mistakes according to frame, base station will retransmit packet, and this will cause the wrong target terminal of reception to complete to be properly received data and contract for fixed output quotas
Give birth to bigger time delay, and target terminal repeats to receive packet, wastes certain electric energy.The shortcoming of prior art embodies
: (1) long-time busy channel resource, once one or several target terminal receives wrong, may result in data packet retransmission, and
If it occur that repeatedly retransmit, the channel resource of long period will be taken；(2) target terminal made mistakes is properly received Packet Delay
Longer, if the frame that i.e. reception of certain target terminal is wrong occurs in the sequence number comparing rearward, this target terminal will be caused correct
The time delay receiving packet is longer.
Summary of the invention
Embodiments provide method, base station and the target terminal of the transmission of a kind of data, for reducing re-transmission
Time, save channel resource.
Embodiment of the present invention first aspect provides the method for a kind of data transmission, and the method is applied to police Digital Clustering
System, police digital cluster system includes base station and multiple target terminal, and the method may include that base station is to multiple target terminals
Sending packet, packet includes Frame；Base station receives the mistake frame information of target terminal feedback, and frame information includes mistake by mistake
The information of Frame；Base station sends the Frame corresponding with frame information by mistake to this target terminal.
In embodiments of the present invention, base station in the packet that multiple target terminals send during wrong Frame, base station
Can receive the mistake frame information that the target terminal of error data frame sends, base station is sent out to multiple target terminals according to frame information by mistake again
Send the Frame corresponding with frame information by mistake, and a complete packet need not be retransmited, thus save channel resource.
In the optional implementation of one, also including tail frame in packet, tail frame is for indicating the feedback of target terminal
Sequentially, the method can also include: base station receives the confirmation frame information of target terminal feedback；Base station determines according to acknowledgement frame information
Frame in the packet that target terminal receives is correct.
In embodiments of the present invention, it is another pattern, i.e. affirmation mode, when in the packet that target terminal receives
When Frame is correct, can be to base station feedback acknowledgement frame information, base station determines, according to acknowledgement frame information, the data that target terminal receives
Frame in bag is correct.
In the optional implementation of one, the method can also include: if base station record object terminal does not feeds back frame by mistake
The number of times of information or acknowledgement frame information is more than Second Threshold, then base station stops sending other packets to target terminal.
In embodiments of the present invention, in acknowledged mode, base station can record the number of times of each target terminal feedback information, when
Certain target terminal does not feeds back the number of times of by mistake frame information or acknowledgement frame information when exceeding Second Threshold, and base station will not be again to this
Target terminal sends packet, saves channel resource.
In the optional implementation of one, this base station sends and these data that frame information is corresponding by mistake to this target terminal
Frame, including: multicast mode is passed through in this base station, sends and this Frame that frame information is corresponding by mistake to the plurality of target terminal；Or,
Mode of unicast is passed through in this base station, and to feedback, this target terminal missing frame information sends and this Frame that frame information is corresponding by mistake.
In the optional implementation of one, the method can also include: base station determine packet number to be sent with
The ratio of multiple target terminal numbers；When ratio exceedes first threshold, base station performs to send packet to this target terminal
Step.
In embodiments of the present invention, base station can first determine the ratio of packet number to be sent and multiple target terminal numbers
Value, when ratio exceedes first threshold, base station just can send packet by the transmission mode that the present invention provides, otherwise, base station meeting
Packet is sent by prior art, because when this ratio is not above first threshold, if the packet that target terminal receives
Occur error data frame, more complete transmission once this packet be also ratio faster.
Embodiment of the present invention second aspect provides the method for a kind of data transmission, and the method is applied to police Digital Clustering
System, police digital cluster system includes base station and multiple target terminal, and the method may include that target terminal receives base station and sends out
The packet sent, packet includes Frame；If packet exists error data frame, then target terminal will by mistake frame information to
Base station feedback, frame information includes the information of error data frame by mistake；Target terminal receives the corresponding with frame information by mistake of base station transmission
Frame.
In embodiments of the present invention, if target terminal receive packet in there is error data frame, then target terminal to
Base station sends frame information by mistake, and base station sends the Frame corresponding with frame information by mistake, mesh according to frame information by mistake to multiple target terminals
Mark terminal receives the Frame corresponding with frame information by mistake, reduces the probability heavily received.
In the optional implementation of one, can also include tail frame in packet, tail frame is for indicating target terminal
Feedback order, target terminal to base station feedback, will may include that the feedback that target terminal indicates according to tail frame is suitable by frame information by mistake
Sequence, to base station feedback frame information by mistake.
In embodiments of the present invention, target terminal, to base station feedback frame information by mistake when, is according to the packet received
In tail frame instruction feedback order to base station feedback, not so, if there being Frame all mistakes that several target terminal receives, then
Several target terminals are when the same time misses frame information to base station feedback, it may occur that the conflict of channel resource.
In the optional implementation of one, the method can also include: if the Frame in packet is correct, tail frame is just
Really, then the feedback order that target terminal indicates according to tail frame is to base station feedback acknowledgement frame information.
In embodiments of the present invention, if the Frame received of target terminal is correct, then can believe to base station feedback acknowledgement frame
Breath, according to acknowledgement frame information, base station learns that the Frame in the packet that target terminal receives is correct.
In the optional implementation of one, the method can also include: if tail frame mistake, then target terminal receives base station
The packet that next time sends；The feedback order of the tail frame instruction that target terminal includes according to the packet of base station transmission next time,
To base station feedback frame information or acknowledgement frame information by mistake.
In embodiments of the present invention, if the Frame in the current packet received is correct, tail frame mistake, and target terminal
Be in affirmation mode, then target terminal can only wait the packet of base station to be received transmission next time, the packet received according to next time
The feedback order of the tail frame instruction included, to base station feedback acknowledgement frame information.
The embodiment of the present invention third aspect provides a kind of base station, and base station applies is in police digital cluster system, police number
Word group system includes base station and multiple target terminal, and base station may include that
Sending module, for sending packet to multiple target terminals, packet includes Frame；
Receiver module, for receiving the mistake frame information of target terminal feedback, frame information includes the information of error data frame by mistake；
Sending module, is additionally operable to send the Frame corresponding with the mistake frame information of receiver module reception to this target terminal.
In the optional implementation of one, also including tail frame in packet, tail frame is for indicating the feedback of target terminal
Sequentially,
Receiver module, is additionally operable to receive the confirmation frame information of target terminal feedback；
Second determines module, confirms that frame information determines the packet that target terminal receives for receive according to receiver module
In Frame correct.
In the optional implementation of one,
Sending module, does not feeds back the number of times of by mistake frame information or acknowledgement frame information be more than if being additionally operable to base station record object terminal
Second Threshold, then base station stops sending other packets to target terminal.
In the optional implementation of one,
This sending module, specifically for by multicast mode, missing frame information to the transmission of the plurality of target terminal with this corresponding
Frame；
Or,
This sending module, specifically for by mode of unicast, to feedback, this target terminal missing frame information sends with this by mistake
The Frame that frame information is corresponding.
In the optional implementation of one, base station also includes:
First determines module, for determining the ratio of packet number to be sent and multiple target terminal numbers；When than
When value exceedes first threshold, base station performs to send the step of packet to this target terminal.
Embodiment of the present invention fourth aspect provides a kind of target terminal, and target terminal applications is in police Digital Clustering system
System, police digital cluster system includes base station and multiple target terminal, and target terminal may include that
Receiver module, for receiving the packet that base station sends, packet includes Frame；
Feedback module, if there is error data frame in packet, then feedback module general frame information by mistake is to base station feedback,
Frame information includes the information of error data frame by mistake；
Receiver module, is additionally operable to receive the Frame corresponding with frame information by mistake that base station sends.
In the optional implementation of one, also including tail frame in packet, tail frame is for indicating the feedback of target terminal
Sequentially,
Feedback module, specifically for the feedback order indicated according to tail frame, to base station feedback frame information by mistake.
In the optional implementation of one,
Feedback module, if the Frame being additionally operable in packet is correct, tail frame is correct, then feedback module indicates according to tail frame
Feedback order to base station feedback acknowledgement frame information.
In the optional implementation of one,
Receiver module, if being additionally operable to tail frame mistake, then receives the packet of base station transmission next time；
Feedback module, is additionally operable to the feedback order of the tail frame instruction that the packet according to base station transmission next time includes, to
Base station feedback frame information or acknowledgement frame information by mistake.
The embodiment of the present invention the 5th aspect provides a kind of base station, may include that
Transceiver, processor, memorizer and bus；
Described transceiver, described processor and described memorizer are connected by described bus；
Described transceiver, for sending packet to the plurality of target terminal, described packet includes Frame；Connect
Receiving the mistake frame information of target terminal feedback, described frame information by mistake includes the information of described error data frame；Send out to this target terminal
Send and the described Frame that frame information is corresponding by mistake；
Described memorizer, is used for storing programmed instruction；
Described processor, for by calling described storage programmed instruction, according to described frame information by mistake, determines and described mistake
The Frame that frame information is corresponding.
The embodiment of the present invention the 6th aspect provides a kind of target terminal, may include that
Transceiver, processor, memorizer and bus；
Described transceiver, described processor and described memorizer are connected by described bus；
Described transceiver, for receiving the packet that described base station sends, described packet includes Frame；If it is described
Packet exists error data frame, the most described target terminal will by mistake frame information to described base station feedback, described frame information bag by mistake
Include the information of described error data frame；Receive the transmission of described base station misses, with described, the Frame that frame information is corresponding；
Described memorizer, is used for storing programmed instruction；
Described processor, for by calling described storage programmed instruction, it is judged that whether there is mistake in described packet
Frame.
The embodiment of the present invention the 7th aspect provides a kind of police digital cluster system, and police digital cluster system includes base
Stand and multiple target terminals.
Base station is the base station described in the above-mentioned third aspect or the arbitrary possible implementation of the third aspect；
Target terminal is the target terminal described in upper fourth aspect or the arbitrary possible implementation of fourth aspect.
Embodiment of the present invention eighth aspect provides a kind of storage medium, and this technical scheme is the most in other words to existing
There is completely or partially can producing the form of mouth with software and embodying of part that technology contributes or this technical scheme, should
Computer software product is stored in a storage medium, and this storage medium includes: USB flash disk, portable hard drive, read only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. the various media that can store program code.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In embodiments of the present invention, base station sends packet to multiple target terminals, there is mistake in the packet received
The target terminal of Frame can be to base station feedback frame information by mistake, and this mistake frame information includes the information of error data frame, base station root
The Frame corresponding with frame information by mistake is sent to this target terminal again, it is not necessary to retransmit packet according to the mistake frame information received,
Reduce the time retransmitted, save channel resource.
Accompanying drawing explanation
In order to be illustrated more clearly that embodiment of the present invention technical scheme, below will be to institute in embodiment and description of the prior art
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtains according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the Organization Chart of police digital cluster system in the embodiment of the present invention；
Fig. 2 is an embodiment schematic diagram of the method for data transmission in the embodiment of the present invention；
Fig. 3 is beneficial effect schematic diagram in the embodiment of the present invention；
Fig. 4 is an embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 5 is another embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 6 is another embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 7 is an embodiment schematic diagram of target terminal in the embodiment of the present invention；
Fig. 8 is another embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 9 is an embodiment schematic diagram of target terminal in the embodiment of the present invention.
Detailed description of the invention
Embodiments provide method, base station and the target terminal of the transmission of a kind of data, for reducing re-transmission
Time, save channel resource.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
At existing police Digital Clustering PDT system or digital handset wireless communication protocol DMR (Digital Mobile
Radio), in, base station is when multiple target terminal multicastapackets transmission packet, as long as having in the packet that target terminal receives
Frame make mistakes, base station will retransmit this packet, and once certain or certain several target terminals receive wrong, may result in this
Frame in packet will retransmit, and if it occur that repeatedly retransmit packet, it will take the channel resource of long period；
And the target terminal made mistakes is properly received packet and also has bigger time delay, if in the packet of certain target terminal reception
The Frame of mistake occurs in the sequence number comparing rearward, and this target terminal will be caused all to be properly received Packet Delay relatively
Long.
Technical solution of the present invention is mainly used in police digital cluster system, and described police digital cluster system includes base station
With multiple target terminals, referring to shown in Fig. 1, Fig. 1 is the configuration diagram of police digital cluster system, the number of target terminal
Depending on applying according to reality, particular number is not construed as limiting herein.Target, to multiple target terminal multicastapackets packets, is worked as in base station
Have data frame error in the packet that terminal receives, then this target terminal is believed to base station feedback frame by mistake as first object terminal
Breath, this mistake frame information includes the information of error data frame, and base station receives frame information by mistake, sends and described mistake to first object terminal
The Frame that frame information is corresponding, it is not necessary to retransmit a complete packet, just sends the Frame corresponding with frame information by mistake
Permissible, thus reduce time delay, save channel resource.
Wherein it is desired to special instruction, the terminal that the present embodiments relate to, may refer to provide a user with voice
And/or the equipment of data connectivity, there is the portable equipment of wireless connecting function or be connected to its of radio modem
His processing equipment.Wireless terminal can be through wireless access network (RAN Radio Access Network) and one or more cores
Net communicates, and wireless terminal can be mobile terminal, such as mobile phone (or be referred to as " honeycomb " phone) with have mobile terminal
Computer, for example, it may be mobile device portable, pocket, hand-held, built-in computer or vehicle-mounted, they
With wireless access network exchange language and/or data.Such as, PCS (PCS, Personal Communication
Service) phone, wireless phone, Session initiation Protocol (SS15P1356) phone, WLL (WLL, Wireless
Local Loop) stand, the equipment such as personal digital assistant (PDA, Personal Digital Assistant).Wireless terminal also may be used
With referred to as system, subscri er unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile
Station), mobile station (Mobile), distant station (Remote Station), access point (Access Point), remote terminal
(Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), terminal unit,
User agent (User Agent), subscriber equipment (User Device) or subscriber's installation (User EquS15P1356ment).
As in figure 2 it is shown, an embodiment of the method for data transmission includes in the embodiment of the present invention:
201, base station sends packet to multiple target terminals, and packet includes Frame；
In embodiments of the present invention, base station sends packet by multicastapackets data method to multiple target terminals, should
Packet includes multiple Frame, and in actual applications, base station can first determine packet number to be sent and multiple targets
The ratio of terminal number；When this ratio exceedes first threshold, base station sends packet, this packet to multiple target terminals
Including multiple Frame and tail frame, when this ratio is not above first threshold, base station uses transmission of the prior art
Method sends packet to multiple target terminals.Downlink grouping traffic channel signaling P_CDHD in PDT system, is used for transmitting number
As shown in table 1 according to the data head frame format in bag.
Table 1
It should be noted that above-mentioned sent packet also includes tail frame.As shown in table 1, RSVD1, RSVD2,
RSVD3, RSVD4 represent reservation bit, in the prior art, are equivalent to idle bit position, do not use temporarily.In the embodiment of the present invention
In, RSVD1～RSVD4 reserve bytes therein is used for identifying afterbody sorting data frame by base station, is called for short tail frame, and tail frame is used for referring to
Showing the feedback order of target terminal, other byte functions are constant.Then need transmission total data frame number be: Blocks to
The number of Follow+RSVD1～RSVD4.
202, target terminal receives the packet that base station sends, and packet includes Frame；
In embodiments of the present invention, target terminal receives the packet that base station sends, and this packet includes that tail frame is with many
Individual Frame, this target terminal is one of them of multiple target terminal.
If there is error data frame in 203 packets, then target terminal to base station feedback, will miss frame information by frame information by mistake
Information including error data frame；
In embodiments of the present invention, after target terminal receives packet, it is judged that the Frame in the packet received
The most wrong, if errorless, then target terminal can return directly off Traffic Channel and control channel；If this packet exists mistake
By mistake Frame, then target terminal needs to judge to make mistakes the position of Frame, determines frame information by mistake, and this target terminal will frame information by mistake
To base station feedback, frame information includes the information of error data frame by mistake；Further, this packet also includes tail frame, then target
Terminal is according to the feedback order indicated by tail frame, to base station feedback frame information by mistake.It should be noted that frame information can be by mistake
The label of wrong Frame, or other identification informations.Other target terminal is also similar process after receiving packet
Mode, when the Frame in packet is correct, can return directly off Traffic Channel and control channel, if there being Frame mistake occur
By mistake, it is determined that frame information by mistake, according to the feedback order indicated by tail frame, to base station feedback, this misses frame information.Exemplary, this mesh
Mark terminal is target terminal 2, and frame information is Frame 10 and Frame 18 by mistake.
In embodiments of the present invention, there is both of which in multicastapackets transmission packet, as described below:
1, under without affirmation mode, if the Frame in packet is all correct, no matter tail frame correctness, do not affect number
According to frame, then this target terminal can return directly off Traffic Channel and control channel.2, under having affirmation mode, (1) if packet
In Frame and tail frame all correct, then the feedback that target terminal indicate according to tail frame is sequentially to base station feedback acknowledgement frame information.
(2) if the Frame in packet is correct, tail frame mistake, the then packet of the base station to be received such as target terminal transmission next time, root
According to the feedback order of the tail frame instruction that the packet of base station transmission next time includes, to base station feedback acknowledgement frame information, wherein, really
Recognize the Frame that includes of packet that frame information instruction target terminal receives correct.(3) if packet exists wrong data
Frame, tail frame also mistake, the then packet of the base station to be received such as target terminal transmission next time, according to the packet of base station transmission next time
The feedback order of the tail frame instruction included, to base station feedback frame information by mistake.
204, base station receives the mistake frame information of target terminal feedback, and frame information includes the information of error data frame by mistake；
In embodiments of the present invention, base station receives the mistake frame information of target terminal feedback, and this mistake frame information includes mistake
The information of Frame.Being learnt by above-mentioned example, frame information is the label 10 and 18 of Frame by mistake.
1, under without affirmation mode, base station, after multiple target terminals send packet, is not received by any target
The mistake frame information of terminal feedback, then it is assumed that packet sends successfully.2, under having affirmation mode, (1) is if base station receives this target
The confirmation frame information of terminal feedback, then base station is just determining the Frame in the packet that target terminal receives according to acknowledgement frame information
Really.(2) if the same target terminal of the counter records of base station does not feeds back the number of times of by mistake frame information or acknowledgement frame information more than the
Two threshold values, then base station stops sending other packets to this target terminal.
Exemplary, under having affirmation mode, if this target terminal is numbered target terminal 2, Second Threshold is 2, base station
Send packet for the first time to multiple target terminals, the target terminal receiving other has fed back acknowledgement frame information, or frame by mistake
Information, what information of target terminal 2 all do not feeds back, then the enumerator of base station adds 1 to the number of times of the record of target terminal 2, multiple
Target terminal includes target terminal 2；Base station sends packet to multiple target terminals second time again, does not receives target terminal yet
Any feedback information of 2, present enumerator is 2 to the number of times of the record of target terminal 2；Base station is again to multiple target terminals the 3rd
Secondary transmission packet, does not receives any feedback information of target terminal 2 yet, present enumerator to the record of target terminal 2 time
Number is 3, and more than Second Threshold 2, base station stops retransmiting packet to target terminal 2 again, and no matter target terminal 2 is probably out
Tail frame in machine, or the packet received for 3 times all mistake or other reasons.
205, base station sends the Frame corresponding with frame information by mistake to target terminal；
In embodiments of the present invention, base station receives the mistake frame information of target terminal 2 feedback, determines correspondence according to frame information by mistake
Frame, base station sends and mistake Frame corresponding to frame information to multiple target terminals；Need not as in prior art base station to
Multiple target terminals retransmit a complete packet, but send the data corresponding with frame information by mistake to multiple target terminals
Frame, and enclose feedback frame, i.e. tail frame at afterbody.Then base station sends the data being numbered 10 and 18 to multiple target terminals
Frame, and tail frame.
Wherein, base station sends the Frame corresponding with frame information by mistake to target terminal, may include that multicast side is passed through in base station
Formula, sends the Frame corresponding with frame information by mistake to multiple target terminals；Or, mode of unicast is passed through in base station, to feedback frame by mistake
The target terminal of information sends the Frame corresponding with frame information by mistake.
206, target terminal receives the Frame corresponding with frame information by mistake that base station sends.
In embodiments of the present invention, after the Frame that base station is corresponding with frame information by mistake to the transmission of multiple target terminals, mesh
Mark terminal 2 receives the Frame corresponding with frame information by mistake that base station sends, i.e. Frame 10 and Frame 18.
Exemplary, in the present embodiment, as it is shown on figure 3, describe packet number to be sent with multiple targets eventually
The ratio of end number, this ratio and target terminal are properly received the relation between the time needed for Frame, the not song of synteny
In line represents group respectively, terminal is in the effect that different signal to noise ratio interval (being uniformly distributed) reaches.Can be drawn by Fig. 3, (1)
When group internal object terminal signal to noise ratio is the poorest, slope of a curve is the biggest, and the time of saving is the most, and effect is the best；(2) number to be sent
According to bag and the ratio of target terminal number the biggest time, when i.e. exceeding first threshold, the effect of method described in the embodiment of the present invention
The best.
In the embodiment of the present invention, if there is error data frame in the packet of target terminal reception, then to base station feedback by mistake
Frame information, frame information includes the information of error data frame by mistake；Base station sends to multiple target terminals according to the mistake frame information received
The Frame corresponding with frame information by mistake rather than whole packet, therefore, saved channel resource, reduced the Frame retransmitted
Quantity.
The method transmitted the data in the embodiment of the present invention above is described, and below in conjunction with Fig. 4, and combines aforementioned
Embodiment of the method the base station in the embodiment of the present invention is described.As shown in Figure 4, the embodiment of the present invention additionally provides base
Standing, described base station applies is in police digital cluster system, and described police digital cluster system includes base station and multiple target terminal,
Described base station includes:
Sending module 401, for sending packet to the plurality of target terminal, described packet includes Frame；
Receiver module 402, for receiving the mistake frame information of target terminal feedback, described frame information by mistake includes described error number
Information according to frame；
Described sending module 401, is additionally operable to the mistake frame information to target terminal sends with described receiver module receives corresponding
Frame.
Optionally, in some embodiments of the invention, on the basis of shown in Fig. 4, refer to shown in Fig. 5, described base
Stand and also include:
First determines module 403, for determining the packet number to be sent ratio with the plurality of target terminal number
Value；When described ratio exceedes first threshold, described base station performs to send the step of packet to target terminal.
Optionally, in some embodiments of the invention, also including tail frame in described packet, described tail frame is used for indicating
The feedback order of described target terminal, on the basis of shown in Fig. 4, refers to shown in Fig. 6, and described base station also includes:
Described receiver module 402, is additionally operable to receive the confirmation frame information of described target terminal feedback；
Second determines module 404, determines described target terminal for the confirmation frame information received according to described receiver module
Frame in the described packet received is correct.
Optionally, in some embodiments of the invention,
Described sending module 401, if be additionally operable to described base station record described target terminal do not feed back described by mistake frame information or
The number of times of described acknowledgement frame information is more than Second Threshold, and the most described base station stops sending other packets to described target terminal.
Optionally, in some embodiments of the invention,
Sending module 401, specifically for by multicast mode, sending the number corresponding with frame information by mistake to multiple target terminals
According to frame；
Or,
Sending module 401, specifically for by mode of unicast, the target terminal to feedback frame information by mistake sends and frame letter by mistake
The Frame that breath is corresponding.
Below in conjunction with Fig. 7, and combine aforesaid embodiment of the method the target terminal in the embodiment of the present invention is described.
As it is shown in fig. 7, the embodiment of the present invention additionally provides target terminal, described target terminal applications in police digital cluster system,
Described police digital cluster system includes base station and multiple target terminal, and described target terminal includes:
Receiver module 701, for receiving the packet that described base station sends, described packet includes Frame；
Feedback module 702, if there is error data frame in described packet, the most described feedback module will miss frame information
To described base station feedback, described frame information by mistake includes the information of described error data frame；
Described receiver module 701, is additionally operable to receive the Frame corresponding with described mistake frame information that described base station sends.
Optionally, in some embodiments of the invention, also including tail frame in described packet, described tail frame is used for indicating
The feedback order of described target terminal,
Described feedback module 702, specifically for the feedback order indicated according to described tail frame, to described in described base station feedback
Frame information by mistake.
Optionally, in some embodiments of the invention,
Described feedback module 702, if the Frame being additionally operable in described packet is correct, described tail frame is correct, then described
The feedback order that feedback module indicates according to described tail frame is to described base station feedback acknowledgement frame information.
Optionally, in some embodiments of the invention,
Described receiver module 701, if being additionally operable to described tail frame mistake, then receives the packet of described base station transmission next time；
Described feedback module 702, the tail frame instruction being additionally operable to include according to the packet that described base station next time sends
Feedback order, to missing frame information or described acknowledgement frame information described in described base station feedback.
As shown in Figure 8, for another embodiment schematic diagram of base station in the embodiment of the present invention, this base station 800 can be because of configuration
Or performance is different and produce bigger difference, one or more central processing units (central can be included
Processing units, CPU) 822 (such as, one or more processors) and memorizeies 832, one or more
Storage application program 842 or the storage medium 830 (such as one or more mass memory units) of data 844.Wherein, deposit
Reservoir 832 and storage medium 830 can be of short duration storage or persistently store.The program being stored in storage medium 830 can include
One or more modules (diagram does not marks), each module can include a series of command operatings in base station.More enter
One step ground, central processing unit 822 could be arranged to communicate with storage medium 830, performs in storage medium 830 on base station 800
A series of command operatings.
This base station 800 can also include one or more power supplys 826, one or more wired or wireless networks
Interface 850, one or more input/output interfaces 858, and/or, one or more operating systems 841, such as
Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM etc..
Can be concrete based on the architecture of base station shown in this Fig. 8 by the step performed by base station in above-described embodiment: input
Output interface 858 is equivalent to transceiver, and for sending packet to multiple target terminals, packet includes Frame；Receive
The mistake frame information of target terminal feedback, frame information includes the information of error data frame by mistake；Send and frame letter by mistake to this target terminal
The Frame that breath is corresponding；
Memorizer 832, is used for storing programmed instruction；
Central processing unit 822, for by calling storage programmed instruction, according to frame information by mistake, determines and frame information pair by mistake
The Frame answered.
Optionally, in some embodiments of the invention,
Input/output interface 858, is additionally operable to receive the confirmation frame information of target terminal feedback；
Central processing unit 822, is additionally operable to determine the Frame in the packet that target terminal receives according to acknowledgement frame information
Correctly.
Optionally, in some embodiments of the invention,
Input/output interface 858, if being additionally operable to base station record object terminal not feed back by mistake frame information or acknowledgement frame information
Number of times is more than Second Threshold, then base station stops sending other packets to target terminal.
Optionally, in some embodiments of the invention,
Central processing unit 822, is additionally operable to the ratio determining packet number to be sent with multiple target terminal numbers；
Input/output interface 858, is additionally operable to when ratio exceedes first threshold, and base station performs to send number to this target terminal
Step according to bag.
As it is shown in figure 9, be an embodiment schematic diagram of target terminal in the embodiment of the present invention, for convenience of description, only
Show that the part relevant to the embodiment of the present invention, concrete ins and outs do not disclose, refer to embodiment of the present invention method portion
Point.This terminal can be to include that (Personal Digital Assistant, individual digital helps for mobile phone, panel computer, PDA
Reason), POS (Point of Sales, point-of-sale terminal), the arbitrarily terminal unit such as vehicle-mounted computer, as a example by terminal is as mobile phone:
Fig. 9 is illustrated that the block diagram of the part-structure of the mobile phone relevant to the terminal of embodiment of the present invention offer.With reference to figure
9, mobile phone includes: radio frequency (Radio Frequency, RF) circuit 910, memorizer 920, input block 930, display unit 940,
Sensor 950, voicefrequency circuit 960, Wireless Fidelity (wireless fidelity, WiFi) module 970, processor 980 and
Power supply 990 parts such as grade.It will be understood by those skilled in the art that the handset structure shown in Fig. 9 is not intended that the restriction to mobile phone,
Can include that ratio illustrates more or less of parts, or combine some parts, or different parts are arranged.
Below in conjunction with Fig. 9 each component parts of mobile phone carried out concrete introduction:
RF circuit 910 can be used for receiving and sending messages or in communication process, the reception of signal and transmission, especially, by base station
After downlink information receives, process to processor 980；It addition, be sent to base station by designing up data.Generally, RF circuit 910
Include but not limited to antenna, at least one amplifier, transceiver, bonder, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..Additionally, RF circuit 910 can also be communicated with network and other equipment by radio communication.
Above-mentioned radio communication can use arbitrary communication standard or agreement, includes but not limited to global system for mobile communications (Global
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), WCDMA
(Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution,
LTE), Email, Short Message Service (Short Messaging Service, SMS) etc..
Memorizer 920 can be used for storing software program and module, and processor 980 is stored in memorizer 920 by operation
Software program and module, thus perform mobile phone various functions application and data process.Memorizer 920 can mainly include
Storage program area and storage data field, wherein, storage program area can store the application journey needed for operating system, at least one function
Sequence (such as sound-playing function, image player function etc.) etc.；Storage data field can store what the use according to mobile phone was created
Data (such as voice data, phone directory etc.) etc..Additionally, memorizer 920 can include high-speed random access memory, it is also possible to
Including nonvolatile memory, for example, at least one disk memory, flush memory device or other volatile solid-state
Part.
Input block 930 can be used for receiving numeral or the character information of input, and produce with the user setup of mobile phone with
And function controls relevant key signals input.Specifically, input block 930 can include that contact panel 931 and other inputs set
Standby 932.Contact panel 931, also referred to as touch screen, can collect user thereon or neighbouring touch operation (such as user uses
Any applicable object such as finger, stylus or adnexa operation on contact panel 931 or near contact panel 931), and root
Corresponding attachment means is driven according to formula set in advance.Optionally, contact panel 931 can include touch detecting apparatus and touch
Two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect the signal that touch operation brings,
Transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into touching
Point coordinates, then give processor 980, and order that processor 980 sends can be received and performed.Furthermore, it is possible to use electricity
The polytypes such as resistive, condenser type, infrared ray and surface acoustic wave realize contact panel 931.Except contact panel 931, input
Unit 930 can also include other input equipments 932.Specifically, other input equipments 932 can include but not limited to secondary or physical bond
One or more in dish, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Display unit 940 can be used for the various of the information that inputted by user of display or the information being supplied to user and mobile phone
Menu.Display unit 940 can include display floater 941, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the form such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) configure aobvious
Show panel 941.Further, contact panel 931 can cover display floater 941, when contact panel 931 detects thereon or attached
After near touch operation, send processor 980 to determine the type of touch event, with preprocessor 980 according to touch event
Type corresponding visual output is provided on display floater 941.Although in fig .9, contact panel 931 and display floater 941
It is to realize input and the input function of mobile phone as two independent parts, but in some embodiments it is possible to by touch-control
Panel 931 is integrated with display floater 941 and realizes input and the output function of mobile phone.
Mobile phone may also include at least one sensor 950, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor can include ambient light sensor and proximity transducer, and wherein, ambient light sensor can be according to ambient light
Light and shade regulate the brightness of display floater 941, proximity transducer can cut out display floater 941 when mobile phone moves in one's ear
And/or backlight.As the one of motion sensor, accelerometer sensor can detect (generally three axles) acceleration in all directions
Size, can detect that size and the direction of gravity time static, can be used for identify mobile phone attitude application (such as horizontal/vertical screen is cut
Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；Also may be used as mobile phone
Other sensors such as the gyroscope of configuration, barometer, drimeter, thermometer, infrared ray sensor, do not repeat them here.
Voicefrequency circuit 960, speaker 961, microphone 962 can provide the audio interface between user and mobile phone.Audio-frequency electric
The signal of telecommunication after the voice data conversion that road 960 can will receive, is transferred to speaker 961, speaker 961 is converted to sound
Signal exports；On the other hand, the acoustical signal of collection is converted to the signal of telecommunication by microphone 962, voicefrequency circuit 960 turn after receiving
It is changed to voice data, then after voice data output processor 980 is processed, through RF circuit 910 to be sent to such as another mobile phone,
Or voice data is exported to memorizer 920 to process further.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 970
Part, browsing webpage and access streaming video etc., it has provided the user wireless broadband internet and has accessed.Although Fig. 9 shows
WiFi module 970, but it is understood that, it is also not belonging to must be configured into of mobile phone, can not change as required completely
Omit in the scope of the essence becoming invention.
Processor 980 is the control centre of mobile phone, utilizes various interface and the various piece of the whole mobile phone of connection, logical
Cross operation or perform to be stored in the software program in memorizer 920 and/or module, and calling and be stored in memorizer 920
Data, perform the various functions of mobile phone and process data, thus mobile phone is carried out integral monitoring.Optionally, processor 980 can wrap
Include one or more processing unit；Preferably, processor 980 can integrated application processor and modem processor, wherein, should
Mainly process operating system, user interface and application program etc. with processor, modem processor mainly processes radio communication.
It is understood that above-mentioned modem processor can not also be integrated in processor 980.
Mobile phone also includes the power supply 990 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system is logically contiguous with processor 980, thus realizes management charging, electric discharge and power managed by power-supply management system
Etc. function.
Although not shown, mobile phone can also include photographic head, bluetooth module etc., does not repeats them here.
In embodiments of the present invention, the input block 930 included by this terminal, for receiving the packet that base station sends,
Packet includes Frame；Receive the Frame corresponding with frame information by mistake that base station sends；
RF circuit 910, if there is error data frame in packet, then target terminal is by anti-to base station for frame information by mistake
Feedback, frame information includes the information of error data frame by mistake；
Processor 980, for by calling storage programmed instruction, it is judged that whether there is error data frame in packet.
Optionally, in some embodiments of the invention,
RF circuit 910, specifically for the feedback order indicated according to tail frame, to base station feedback frame information by mistake.
Optionally, in some embodiments of the invention,
RF circuit 910, if the Frame being additionally operable in packet is correct, tail frame is correct, then target terminal refers to according to tail frame
The feedback order shown is to base station feedback acknowledgement frame information.
Input block 930, if being additionally operable to tail frame mistake, then target terminal receives the packet of base station transmission next time；
RF circuit 910, is additionally operable to the feedback order of the tail frame instruction that the packet according to base station transmission next time includes, to
Base station feedback frame information or acknowledgement frame information by mistake.
The embodiment of the present invention additionally provides a kind of computer-readable storage medium, for saving as the base described in above-mentioned Fig. 4 to Fig. 7
Stand and computer software instructions used in target terminal, the program stored by execution, channel resource can be saved.If should
When program is using the form realization of SFU software functional unit and as independent production marketing or use, a computer can be stored in
In read/write memory medium.Based on such understanding, prior art is made tribute by technical scheme the most in other words
Completely or partially can embodying with the form of software product of the part offered or this technical scheme, this computer software produces
Product are stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, take
Business device, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage
Medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), the various media that can store program code such as magnetic disc or CD.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method are permissible
Realize by another way.Such as, device embodiment described above is only schematically, such as, and described unit
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent；And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (18)
1. the method for a data transmission, it is characterised in that described method is applied to police digital cluster system, described police number
Word group system includes base station and multiple target terminal, and described method includes:
Described base station sends packet to the plurality of target terminal, and described packet includes Frame；
Described base station receives the mistake frame information of target terminal feedback, and described frame information by mistake includes the information of described error data frame；
Described base station sends and the described Frame that frame information is corresponding by mistake to described target terminal.
Method the most according to claim 1, it is characterised in that also include tail frame in described packet, described tail frame is used for
Indicating the feedback order of described target terminal, described method also includes:
Described base station receives the confirmation frame information of described target terminal feedback；
According to described acknowledgement frame information, described base station determines that the Frame in the described packet that described target terminal receives is correct.
Method the most according to claim 2, it is characterised in that described method also includes:
If described base station records described target terminal does not feeds back the number of times of described by mistake frame information or described acknowledgement frame information more than the
Two threshold values, the most described base station stops sending other packets to described target terminal.
Method the most according to claim 1, it is characterised in that described base station sends and described frame by mistake to described target terminal
The Frame that information is corresponding, including:
Multicast mode is passed through in described base station, sends and the described Frame that frame information is corresponding by mistake to the plurality of target terminal；
Or,
Mode of unicast is passed through in described base station, and the target terminal to the described frame information by mistake of feedback sends corresponding with described frame information by mistake
Frame.
5. according to the arbitrary described method of claim 1-3, it is characterised in that described method also includes:
Described base station determines the ratio of packet number to be sent and the plurality of target terminal number；
When described ratio exceedes first threshold, described base station performs to send the step of packet to described target terminal.
6. the method for a data transmission, it is characterised in that described method is applied to police digital cluster system, described police number
Word group system includes base station and multiple target terminal, and described method includes:
Target terminal receives the packet that described base station sends, and described packet includes Frame；
If there is error data frame in described packet, the most described target terminal will frame information be to described base station feedback by mistake, described
Frame information includes the information of described error data frame by mistake；
What the described base station of described target terminal reception sent misses, with described, the Frame that frame information is corresponding.
Method the most according to claim 6, it is characterised in that also include tail frame in described packet, described tail frame is used for
Indicate the feedback order of described target terminal, described target terminal will by mistake frame information to described base station feedback, including:
The feedback order that described target terminal indicates according to described tail frame, to missing frame information described in described base station feedback.
Method the most according to claim 7, it is characterised in that described method also includes:
If the Frame in described packet is correct, described tail frame is correct, and the most described target terminal indicates according to described tail frame
Feedback order is to described base station feedback acknowledgement frame information.
9. according to the arbitrary described method of claim 6-8, it is characterised in that described method also includes:
If described tail frame mistake, the most described target terminal receives the packet of described base station transmission next time；
The feedback order of the tail frame instruction that described target terminal includes according to the packet of described base station transmission next time, to described
Frame information or described acknowledgement frame information is missed described in base station feedback.
10. a base station, it is characterised in that including:
Sending module, for sending packet to the plurality of target terminal, described packet includes Frame；
Receiver module, for receiving the mistake frame information of target terminal feedback, described frame information by mistake includes described error data frame
Information；
Described sending module, is additionally operable to send the number corresponding with the mistake frame information of described receiver module reception to described target terminal
According to frame.
11. base stations according to claim 9, it is characterised in that also include tail frame in described packet, described tail frame is used for
Indicating the feedback order of described target terminal, described base station also includes:
Described receiver module, is additionally operable to receive the confirmation frame information of described target terminal feedback；
Second determines module, confirms that frame information determines the institute that described target terminal receives for receive according to described receiver module
State the Frame in packet correct.
12. base stations according to claim 11, it is characterised in that
Described sending module, records described target terminal do not feed back described by mistake frame information or described confirmation if being additionally operable to described base station
The number of times of frame information is more than Second Threshold, and the most described base station stops sending other packets to described target terminal.
13. according to the arbitrary described base station of claim 10-12, it is characterised in that
Described sending module, specifically for by multicast mode, sending and described frame information pair by mistake to the plurality of target terminal
The Frame answered；
Or,
Described sending module, specifically for by mode of unicast, the target terminal to the described frame information by mistake of feedback sends with described
The Frame that frame information is corresponding by mistake.
14. 1 kinds of target terminals, it is characterised in that including:
Receiver module, for receiving the packet that described base station sends, described packet includes Frame；
Feedback module, if there is error data frame in described packet, the most described feedback module will miss frame information to described
Base station feedback, described frame information by mistake includes the information of described error data frame；
Described receiver module, is additionally operable to receive the Frame corresponding with described mistake frame information that described base station sends.
15. target terminals according to claim 14, it is characterised in that also include tail frame, described tail in described packet
Frame is used for indicating the feedback order of described target terminal,
Described feedback module, specifically for the feedback order indicated according to described tail frame, to missing frame letter described in described base station feedback
Breath.
16. target terminals according to claim 15, it is characterised in that
Described feedback module, if the Frame being additionally operable in described packet is correct, described tail frame is correct, the most described feedback module
The feedback order indicated according to described tail frame is to described base station feedback acknowledgement frame information.
17. 1 kinds of base stations, it is characterised in that including:
Transceiver, processor, memorizer and bus；
Described transceiver, described processor and described memorizer are connected by described bus；
Described transceiver, for sending packet to the plurality of target terminal, described packet includes Frame；Receive mesh
The mistake frame information of mark terminal feedback, described frame information by mistake includes the information of described error data frame；Send to described target terminal
With the described Frame that frame information is corresponding by mistake；
Described memorizer, is used for storing programmed instruction；
Described processor, for by calling described storage programmed instruction, according to described frame information by mistake, determines and described frame letter by mistake
The Frame that breath is corresponding.
18. 1 kinds of target terminals, it is characterised in that including:
Transceiver, processor, memorizer and bus；
Described transceiver, described processor and described memorizer are connected by described bus；
Described transceiver, for receiving the packet that described base station sends, described packet includes Frame；If described data
There is error data frame in bag, the most described target terminal will frame information be to described base station feedback by mistake, and described frame information by mistake includes institute
State the information of error data frame；Receive the transmission of described base station misses, with described, the Frame that frame information is corresponding；
Described memorizer, is used for storing programmed instruction；
Described processor, for by calling described storage programmed instruction, it is judged that whether there is wrong data in described packet
Frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610752812.0A CN106254043A (en) | 2016-08-26 | 2016-08-26 | Method, base station and the target terminal of a kind of data transmission |
| PCT/CN2016/109922 WO2018036026A1 (en) | 2016-08-26 | 2016-12-14 | Data transmission method, base station, target terminal, system and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610752812.0A CN106254043A (en) | 2016-08-26 | 2016-08-26 | Method, base station and the target terminal of a kind of data transmission |
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| CN106254043A true CN106254043A (en) | 2016-12-21 |
Family
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| CN201610752812.0A Pending CN106254043A (en) | 2016-08-26 | 2016-08-26 | Method, base station and the target terminal of a kind of data transmission |
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| WO (1) | WO2018036026A1 (en) |
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| CN112003865A (en) * | 2020-08-25 | 2020-11-27 | 哈尔滨海能达科技有限公司 | Data frame transmission method and device, storage medium and electronic equipment |
| CN112003865B (en) * | 2020-08-25 | 2023-02-28 | 哈尔滨海能达科技有限公司 | Data frame transmission method and device, storage medium and electronic equipment |
| CN113645600A (en) * | 2021-08-13 | 2021-11-12 | Oppo广东移动通信有限公司 | Data transmission method, device, terminal and storage medium |
| WO2023039912A1 (en) * | 2021-09-18 | 2023-03-23 | 华为技术有限公司 | Data transmission method, apparatus and system |
Also Published As
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|---|---|
| WO2018036026A1 (en) | 2018-03-01 |
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