CN105101100B - A kind of grouped data mass-sending control method, system and control centre - Google Patents
A kind of grouped data mass-sending control method, system and control centre Download PDFInfo
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- CN105101100B CN105101100B CN201510346120.1A CN201510346120A CN105101100B CN 105101100 B CN105101100 B CN 105101100B CN 201510346120 A CN201510346120 A CN 201510346120A CN 105101100 B CN105101100 B CN 105101100B
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1083—In-session procedures
Abstract
The invention discloses a kind of grouped data mass-sending control method, system and control centres, and this approach includes the following steps：Receive the call information that at least one terminal is sent；Judge whether the terminal quantity for sending the call information is more than default terminal value；If so, exhaling mode to send grouped data to the terminal using group；If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode to send grouped data to the terminal using group；If it is not, then individual calling mode is used to send the grouped data to the terminal.Grouped data mass-sending control method, system and control centre select to exhale mode or individual calling mode to send grouped data using group according to the bit error rate of the terminal quantity and each terminal that send call information, the efficiency and success rate of grouped data transmission can be effectively improved, the time that grouped data is sent is saved.
Description
Technical field
The present invention relates to a kind of field of wireless communications systems more particularly to grouped data mass-sending control method, system and controls
Center processed.
Background technology
Data private wireless communication system is that the perfect latest data profession of European Telecommunications Standards Institute (ETSI) is logical
Beacon is accurate.In DMR/PDT standards, grouped data is for carrying IP data, short data agreement, long broadcast message, terminal liter
The transmission of the grouped datas such as grade program, Packet data service can be used to be called.There are two types of sides for data traffic transmission at present
Formula, i.e. individual calling mode and group exhale mode.When the packet data content that system is sent to terminal all when, multiple terminals use group
Mode is exhaled to carry out data transmission more efficient, the efficiency that terminal quantity is carried out data transmission when few using individual calling mode can be more
It is high.
After individual calling or group are exhaled unsuccessfully, data sender's (i.e. system) can carry out multiple grouped data re-transmission, with ensure to
Each terminal receives grouped data.Specifically, each grouped data that system is sent includes tens or more frames.Using list
When exhaling mode transmission data, system does not send successful fractional frame data for single terminal, and when re-transmission only retransmits the part
Frame data, efficiency is higher, but can only be directed to single terminal every time.When exhaling mode transmission data using group, system can be simultaneously to more
A terminal transmission data, to no matter how many frame data does not send success in each terminal, when repeating transmission, all frames will be retransmitted,
It is less efficient.
In existing Packet data service, individual calling mode transmission data is all made of to single terminal, although single terminal is imitated
Rate is high but overall efficiency is still relatively low；Group is all made of to multiple terminals and exhales mode, it is successful either with or without sending to institute in each terminal
Frame data all need to retransmit, and efficiency is relatively low.
Invention content
The technical problem to be solved in the present invention is, in view of the drawbacks of the prior art, provides a kind of grouped data mass-sending control
Method, system and control centre processed.
The technical solution adopted by the present invention to solve the technical problems is：A kind of grouped data mass-sending control method, including
Following steps：
Receive the call information that at least one terminal is sent；
Judge whether the terminal quantity for sending the call information is more than default terminal value；
If so, exhaling mode to send grouped data to the terminal using group；
If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode using group
Grouped data is sent to the terminal；If it is not, then individual calling mode is used to send the grouped data to the terminal.
Preferably, whether the bit error rate for judging each terminal is less than the default bit error rate and includes：Receive each end
The field intensity information sent is held, the corresponding bit error rate of the field intensity information is inquired according to pre-stored field strength bit error rate relation table,
And judge whether the bit error rate is less than the default bit error rate.
Preferably, further include following steps：
Receive the feedback information of the terminal, the feedback signal include whole frame receive successful first feedback information and
Second feedback information of partial frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data three times using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
Preferably, further include：
The feedback information of the terminal is received again, and the feedback signal includes that whole frame receives successful first feedback letter
Second feedback information of breath and partial frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
A kind of control centre is also provided, the control centre includes：Memory and processor, the memory is for storing
Program instruction, the processor are used for according to described program instruction execution following steps：
Receive the call information that at least one terminal is sent；
Judge whether the terminal quantity for sending the call information is more than default terminal value；
If so, exhaling mode to send grouped data to the terminal using group；
If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode using group
Grouped data is sent to the terminal；If it is not, then individual calling mode is used to send the grouped data to the terminal.
Preferably, the processor is additionally operable to execute following steps：The field intensity information that each terminal is sent is received, according to pre-
The field strength bit error rate relation table first stored inquires the corresponding bit error rate of the field intensity information, and judges whether the bit error rate is less than
The default bit error rate.
Preferably, the processor is additionally operable to execute following steps：
Receive the feedback information of the terminal, the feedback signal include whole frame receive successful first feedback information and
Second feedback information of partial frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data three times using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
Preferably, the processor is additionally operable to execute following steps：
The feedback information of the terminal is received again, and the feedback signal includes that whole frame receives successful first feedback letter
Second feedback information of breath and partial frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
A kind of control centre is also provided, the control centre includes：
Receiving unit, the call information sent for receiving at least one terminal；
Judging unit, for judging whether the terminal quantity for sending the call information is more than default terminal value；
First execution module exhales mode to the end when result for judging in the judging unit is is using group
End sends grouped data；
Second execution module, for when the result that the judging unit judges is no, judging the mistake of each terminal
Whether code check is less than the default bit error rate, if so, exhaling mode to send grouped data to the terminal using group；If it is not, then using
Individual calling mode sends the grouped data to the terminal.
A kind of grouped data mass-sending adjustment control system, including terminal and control centre are also provided, wherein the terminal,
For sending call information；
The control centre, for according to the call information received, executing following steps：
Judge whether the terminal quantity for sending the call information is more than default terminal value；
If so, exhaling mode to send grouped data to the terminal using group；
If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode using group
Grouped data is sent to the terminal；If it is not, then individual calling mode is used to send the grouped data to the terminal.
The present invention has the following advantages that compared with prior art：Implement the present invention, according to the number of terminals for sending call information
The bit error rate of amount and each terminal selects to exhale mode or individual calling mode to send grouped data using group, can effectively improve grouped data
The efficiency and success rate of transmission save the time that grouped data is sent.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is a flow chart of grouped data mass-sending control method in the embodiment of the present invention 1.
Fig. 2 is a flow chart of grouped data mass-sending control method in the embodiment of the present invention 2.
Fig. 3 is a flow chart of grouped data mass-sending control method in the embodiment of the present invention 3.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
Embodiment 1
Fig. 1 shows that the grouped data in the present embodiment mass-sends control method.The grouped data mass-sending control method include with
Lower step：
S11：Receive the call information that at least one terminal is sent.
S12：Judge whether the terminal quantity for sending call information is more than default terminal value.
Such as it is 5 that can preset terminal value.
S13：If so, exhaling mode to send grouped data to terminal using group.
It is to be appreciated that when if the terminal quantity for sending call information is 6 or 6 or more, mode is exhaled to send using group
The call time of grouped data is shorter than the call time for sending grouped data using individual calling mode, is conducive to save the time, improves
The efficiency that grouped data is sent.
S14：If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode using group
Grouped data is sent to terminal；If it is not, then individual calling mode is used to send grouped data to terminal.
In the present embodiment, it is 1% that can preset the bit error rate.With preset terminal value be 5 example in, if 5 or 5 with
The bit error rate of lower terminal is respectively less than 1%, then exhales mode to send grouped data using group, is conducive to improve grouped data transmission effect
Rate saves sending time.If the bit error rate of any terminal is greater than or equal to 1% in 5 or 5 or less terminals, individual calling is used
The time that mode sends grouped data is shorter than the time for exhaling mode to send grouped data using group, is conducive to improve grouped data hair
Efficiency is sent, sending time is saved.
Specifically, judge whether the bit error rate of each terminal is less than default bit error rate step and includes：Receive each terminal hair
The field intensity information sent inquires the corresponding bit error rate of field intensity information according to pre-stored field strength bit error rate relation table, and judges to miss
Whether code check is less than the default bit error rate.
Specifically, terminal value and the default bit error rate is preset to exhale with group by the bit error rate of following different terminals quantity and individual calling
Time contrast test determines.
It in contrast test, is emulated using MATLAB, using 1/2 code check, data length is 100 frames, and statistics is multiple
The terminal of the different bit error rates receives respectively exhales point that mode or individual calling mode and method provided herein are sent using group
The required time of group data, result are as shown in Table 1.It as shown in Table 1, can not when multiple terminals initiate data service simultaneously
How much is terminal quantity, and grouped data mass-sending control method provided by the present invention sends most short, data the time required to grouped data
Transmitting efficiency highest.
As shown in Table 1, the terminal call time is directly proportional to the terminal bit error rate, and the bit error rate is bigger, then its terminal call time
Longer, grouped data transmitting efficiency is lower.
As shown in Table 1, if terminal quantity is 6 or 6 or more, in the arbitrary bit error rate, mode is exhaled using group
It is shorter than the time required to sending grouped data using individual calling mode the time required to sending grouped data, it is more advantageous to raising grouped data
Transmitting efficiency saves sending time；Therefore default terminal value is set as 5.
As shown in Table 1, it if terminal quantity is 3,4 or 5, when the bit error rate of all terminals is 1%, is exhaled using group
Mode is shorter than the time required to sending grouped data using individual calling mode the time required to sending grouped data；The bit error rate of any terminal
It is short the time required to sending grouped data using individual calling mode when more than 1%；Therefore the default bit error rate is set as 1%.
The time required to more than one a terminal of table sends grouped data under different method of callings (unit is the second)
Embodiment 2
Fig. 2 shows the grouped datas in the present embodiment to mass-send control method.It is to be appreciated that point that embodiment 2 is provided
Group data mass-sending control method is completed on the basis of embodiment 1, which further includes following steps：
S21：The feedback information of terminal is received, feedback signal includes that whole frame receives successful first feedback information and part
Second feedback information of frame reception failure.
S22：Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value.
S23：If so, exhaling mode to retransmit to residual terminal the whole frame of grouped data three times using group.Due to most whole
For the bit error rate at end within 1%, re-transmission substantially can all be successfully transmitted grouped data three times, and portion may be only had by sending 1 or 2 time
Success is sent in distribution, therefore is limited and retransmitted 3 times, to improve the success rate of grouped data transmission.
S24：If it is not, then using the partial frame of individual calling mode reception failure into residual terminal retransmission packet data.
It is to be appreciated that when residual terminal quantity is more than 5, the whole frame of mode retransmission packet data, nothing are exhaled using group
The partial frame of multiple residual terminal reception failures need to be carried out judging and retransmitting respectively, be conducive to improve to retransmit residual terminal and divide
The efficiency of group data.When residual terminal quantity is 5 or 5 or less, retransmitted respectively respectively to residual terminal using individual calling mode
The partial frame of terminal reception failure avoids whole frame re-transmission that data transmission efficiency is caused to reduce.
Embodiment 3
Fig. 3 shows that the grouped data in the present embodiment mass-sends control method.It is to be appreciated that point that embodiment 3 is provided
Group data mass-sending control method is completed on the basis of embodiment 2, which further includes following steps：
S31：Receive the feedback information of terminal again, feedback signal include whole frame receive successful first feedback information and
Second feedback information of partial frame reception failure.
S32：Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value.
S33：If so, exhaling mode to the whole frame of residual terminal retransmission packet data using group.It is to be appreciated that step
In S21-S24, grouped data is retransmitted three times, the terminal that the bit error rate is 1% substantially can be properly received grouped data；This reality
Apply the terminal for being not successfully received grouped data that example is more than 1% mainly for the bit error rate.
S34：If it is not, then using the partial frame of individual calling mode reception failure into residual terminal retransmission packet data.
It is to be appreciated that when residual terminal quantity is more than 5, the whole frame of mode retransmission packet data, nothing are exhaled using group
The partial frame of multiple residual terminal reception failures need to be carried out judging and retransmitting respectively, be conducive to improve to retransmit residual terminal and divide
The efficiency of group data.When residual terminal quantity is 5 or 5 or less, retransmitted respectively respectively to residual terminal using individual calling mode
The partial frame of terminal reception failure avoids whole frame re-transmission that data transmission efficiency is caused to reduce.
The present invention also provides a kind of grouped datas to mass-send adjustment control system, including terminal and control centre, wherein eventually
End, for sending call information；
Control centre, for according to the call information received, executing following steps：
Judge whether the terminal quantity for sending call information is more than default terminal value.Specifically, it is 5 to preset terminal value.
If so, exhaling mode to send grouped data to terminal using group.As shown in Table 1, if sending the terminal of call information
When quantity is 6 or 6 or more, the call time ratio for exhaling mode to send grouped data using group sends grouping using individual calling mode
The call time of data is short, is conducive to save the time, improves the efficiency that grouped data is sent.
If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode using group
Grouped data is sent to terminal；If it is not, then individual calling mode is used to send the grouped data to terminal.In the present embodiment, this is pre-
If the bit error rate is 1%.It is to be appreciated that if the bit error rate of 5 or 5 or less terminals is respectively less than 1%, mode is exhaled to send out using group
Grouped data is sent, is conducive to improve grouped data transmitting efficiency, saves sending time.If any end in 5 or 5 or less terminals
The bit error rate at end is greater than or equal to 1%, then uses individual calling mode to send the time ratio of grouped data and exhale mode to send point using group
The time of group data is short, is conducive to improve grouped data transmitting efficiency, saves sending time.
Specifically, control centre is additionally operable to execute following steps：The field intensity information that each terminal is sent is received, according to advance
The corresponding bit error rate of field strength bit error rate relation table inquiry field intensity information of storage, and judge whether the bit error rate is less than default error code
Rate.
Specifically, control centre is additionally operable to according to following steps：
The feedback information of terminal is received, feedback signal includes that successful first feedback information of whole frame reception and partial frame connect
Receive the second feedback information of failure.
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value.
If so, exhaling mode to retransmit to residual terminal the whole frame of grouped data three times using group.Due to most terminals
For the bit error rate within 1%, re-transmission substantially can all send success three times, and sending 1 or 2 time may only send successfully part,
Therefore limitation retransmits 3 times, to improve the success rate of grouped data transmission.
If it is not, then using the partial frame of individual calling mode reception failure into residual terminal retransmission packet data.
It is to be appreciated that when residual terminal quantity is more than 5, the whole frame of mode retransmission packet data, nothing are exhaled using group
The partial frame of multiple residual terminal reception failures need to be carried out judging and retransmitting respectively, be conducive to improve to retransmit residual terminal and divide
The efficiency of group data.When residual terminal quantity is 5 or 5 or less, retransmitted respectively respectively to residual terminal using individual calling mode
The partial frame of terminal reception failure avoids whole frame re-transmission that data transmission efficiency is caused to reduce.
Specifically, control centre is additionally operable to according to following steps：
The feedback information of terminal is received again, and feedback signal includes that whole frame receives successful first feedback information and part
Second feedback information of frame reception failure.
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value.
If so, exhaling mode to the whole frame of residual terminal retransmission packet data using group, the step is mainly for error code
Rate is more than 1% terminal for being not successfully received grouped data.
If it is not, then using the partial frame of individual calling mode reception failure into residual terminal retransmission packet data.
It is to be appreciated that when residual terminal quantity is more than 5, the whole frame of mode retransmission packet data, nothing are exhaled using group
The partial frame of multiple residual terminal reception failures need to be carried out judging and retransmitting respectively, be conducive to improve to retransmit residual terminal and divide
The efficiency of group data.When residual terminal quantity is 5 or 5 or less, retransmitted respectively respectively to residual terminal using individual calling mode
The partial frame of terminal reception failure avoids whole frame re-transmission that data transmission efficiency is caused to reduce.
The present invention also provides a kind of grouped datas to mass-send the control centre in adjustment control system, which includes connecing
Receive unit, judging unit, the first execution module and the second execution module.
Wherein, receiving unit is used to receive the call information that at least one terminal is sent.Judging unit is sent for judging
Whether the terminal quantity of call information is more than default terminal value.The result that first execution module is used to judge in the judging unit
When to be, mode is exhaled to send grouped data to the terminal using group.Second execution module is used to judge in the judging unit
Result be it is no when, judge each terminal the bit error rate whether be less than preset the bit error rate, if so, using group exhale mode to
The terminal sends grouped data；If it is not, then individual calling mode is used to send the grouped data to the terminal.The control centre
Other functions in some embodiment of the invention grouped data mass-sending adjustment control system carried out related description, herein not
It repeats again.
The present invention is illustrated by several specific embodiments, it will be appreciated by those skilled in the art that, it is not departing from
In the case of the scope of the invention, various transformation and equivalent substitute can also be carried out to the present invention.In addition, being directed to particular condition or tool
Body situation can do various modifications, without departing from the scope of the present invention to the present invention.Therefore, the present invention is not limited to disclosed
Specific embodiment, and should include whole embodiments for falling within the scope of the appended claims.
Claims (10)
1. a kind of grouped data mass-sends control method, it is characterised in that：Include the following steps：
Receive the call information that at least one terminal is sent；
Judge whether the terminal quantity for sending the call information is more than default terminal value；
If so, exhaling mode to send grouped data to the terminal using group；
If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode to institute using group
It states terminal and sends grouped data；If it is not, then individual calling mode is used to send the grouped data to the terminal；
Further include following steps：
The feedback information of the terminal is received, the feedback signal includes that whole frame receives successful first feedback information and part
Second feedback information of frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
2. grouped data according to claim 1 mass-sends control method, it is characterised in that：It is described to judge each terminal
The bit error rate whether be less than the default bit error rate and include：The field intensity information that each terminal is sent is received, according to pre-stored field strength
Bit error rate relation table inquires the corresponding bit error rate of the field intensity information, and judges whether the bit error rate is less than the default bit error rate.
3. grouped data according to claim 1 or 2 mass-sends control method, it is characterised in that：
It is described to judge whether the residual terminal quantity for sending the second feedback information is more than in default terminal value：
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data three times using group.
4. grouped data according to claim 3 mass-sends control method, it is characterised in that：Further include：
Receive the feedback information of the terminal again, the feedback signal include whole frame receive successful first feedback information and
Second feedback information of partial frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
5. a kind of control centre, which is characterized in that the control centre includes：Memory and processor, the memory are used for
Program instruction is stored, the processor is used for according to described program instruction execution following steps：
Receive the call information that at least one terminal is sent；
Judge whether the terminal quantity for sending the call information is more than default terminal value；
If so, exhaling mode to send grouped data to the terminal using group；
If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode to institute using group
It states terminal and sends grouped data；If it is not, then individual calling mode is used to send the grouped data to the terminal；
The processor is additionally operable to execute following steps：
The feedback information of the terminal is received, the feedback signal includes that whole frame receives successful first feedback information and part
Second feedback information of frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
6. control centre according to claim 5, it is characterised in that：The processor is additionally operable to execute following steps：It connects
The field intensity information that each terminal is sent is received, it is corresponding to inquire the field intensity information according to pre-stored field strength bit error rate relation table
The bit error rate, and judge whether the bit error rate is less than the default bit error rate.
7. control centre according to claim 5 or 6, it is characterised in that：The processor is additionally operable to execute following steps：
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data three times using group.
8. control centre according to claim 7, it is characterised in that：The processor is additionally operable to execute following steps：
Receive the feedback information of the terminal again, the feedback signal include whole frame receive successful first feedback information and
Second feedback information of partial frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
9. a kind of control centre, which is characterized in that the control centre includes：
Receiving unit, the call information sent for receiving at least one terminal；
Judging unit, for judging whether the terminal quantity for sending the call information is more than default terminal value；
First execution module exhales mode to be sent out to the terminal when result for judging in the judging unit is is using group
Send grouped data；
Second execution module, for when the result that the judging unit judges is no, judging the bit error rate of each terminal
Whether the default bit error rate is less than, if so, exhaling mode to send grouped data to the terminal using group；If it is not, then using individual calling
Mode sends the grouped data to the terminal；
The control centre is additionally operable to execute following steps：
The feedback information of the terminal is received, the feedback signal includes that whole frame receives successful first feedback information and part
Second feedback information of frame reception failure；
Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
10. a kind of grouped data mass-sends adjustment control system, it is characterised in that：Including terminal and control centre, wherein the end
End, for sending call information；
The control centre, for according to the call information received, executing following steps：
Judge whether the terminal quantity for sending the call information is more than default terminal value；
If so, exhaling mode to send grouped data to the terminal using group；
If it is not, then judging whether the bit error rate of each terminal is less than the default bit error rate, if so, exhaling mode to institute using group
It states terminal and sends grouped data；If it is not, then individual calling mode is used to send the grouped data to the terminal；
The control centre is additionally operable to execute following steps：
The feedback information of the terminal is received, the feedback signal includes that whole frame receives successful first feedback information and part
Second feedback information of frame reception failure；Judge whether the residual terminal quantity for sending the second feedback information is more than default terminal
Value；
If so, exhaling mode to retransmit to the residual terminal whole frame of the grouped data using group；
If it is not, the partial frame of reception failure in the grouped data is then retransmitted to the residual terminal using individual calling mode.
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