CN108810795A - Machine type communication system for a large amount of small data transmissions - Google Patents
Machine type communication system for a large amount of small data transmissions Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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Abstract
The present invention relates to a kind of machine type communication system and its a large amount of small data transmission methods.Machine type communication system includes base station and multiple mobile devices.There is each mobile device the private vector data that base station provides, each private vector data to have uniqueness.Multiple mobile devices include the first movement device with the first private vector data.Base station receives multiple small datas corresponding to mobile device from backend network servers, and according to multiple small datas and multiple private vector datas, calculates the scalar data corresponding to multiple small datas.Scalar data is sent to each mobile device by base station.First movement device captures the first small data from scalar data according to the first private vector data.First small data corresponds to first movement device.
Description
Technical field
The present invention relates to one kind being used for machine type communication system and its a large amount of small data transmission methods；It is more specific and
Speech, machine type communication system of the invention and its a large amount of small data transmission methods, are that the mode integrated based on small data is completed
Data transmission.
Background technology
In the machine type communication (Machine- of known long term evolution (Long Term Evolution, LTE) system
Type Communication, MTC) in technology, down data links transmission architecture is with orthogonal frequency division multiplexing (Orthogonal
Frequency-division multiplexing, OFDM) it is main modulation system, and define minimum downlink data transmission list
Position is resource block (Resource block, RB).
More specifically, each RB by fixed quantity subcarrier (subcarrier) and time slot (time slot)
Composition, and each RB can be suitable to be made with different modulation, coding and transmission power according to the condition of communication device/communicating terminal
With therefore, with considerable degree of convenience.
However, it is fixed, (about 4~16Byte) that each RB, which can carry the size of data, accordingly, in downlink data transmission type
When state is the transmission of a large amount of small datas (massive small data), since the data volume of single small data is mostly less than single
RB can carry the fixed capacity of data, therefore, when multiplying load using single RB and transmitting single small data, will cause to generate in single RB
Resource is left white (padding), thus, in the case where downlink data is a large amount of small datas, the utilization of resources will be caused to imitate
Rate is bad.
Furthermore, when base station is intended to transmit different small datas to different mobile device, the transmission order of multiple small datas
It can first be scheduled, data transmission period will be caused later therefore, because dispatching later small data, thus, work as net
When having a large amount of mobile devices in network, excessive small data transmission can also be produced in addition to the bad problem of the aforementioned level of resources utilization
The excessive problem of the raw data transfer delay for dispatching later small data.
Therefore, how improved machines type communication system, with simultaneously significantly improve frequency spectrum resource service efficiency and
The transmission delay of a large amount of small datas, and the load of communication system is reduced, it is the target that industry is made joint efforts.
Invention content
The main object of the present invention is to provide a kind of machine for a large amount of small datas (massive small data) transmission
Device type communication system, including base station and multiple mobile devices.Each mobile device has the private vector data that base station provides,
And each private vector data has uniqueness.Multiple mobile devices include that the first movement with the first private vector data fills
It sets.Base station from backend network servers receive corresponding to multiple mobile devices multiple small datas, and according to multiple small datas with
And multiple private vector datas of multiple mobile devices, calculate the scalar data corresponding to multiple small datas.Then, base station will mark
Data transmission is measured to multiple mobile devices.First movement device captures phase from scalar data according to the first private vector data
The first small data answered.
In order to achieve the above objectives, the present invention proposes a kind of a large amount of small data transmission sides for machine type communication system again
Method.Machine type communication system includes base station and multiple mobile devices.Each mobile device has the private vector that base station provides
Data, each private vector data have uniqueness.Multiple mobile devices include the first movement with the first private vector data
Device.Largely small data transmission methods include：(a) base station is enabled to receive the decimal corresponding to mobile device from backend network servers
According to；(b) it enables base station according to small data and the private vector data of mobile device, calculates the scalar data corresponding to small data；(c)
Enable base station that scalar data is sent to mobile device；(d) enable first movement device according to the first private vector data, from scalar number
Corresponding first small data is captured according to middle.
Description of the drawings
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to the tool of the present invention
Body embodiment elaborates, wherein：
Figure 1A is the schematic diagram of the machine type communication system of first embodiment of the invention；
Figure 1B is the block diagram of the base station of first embodiment of the invention；
Fig. 1 C are the block diagrams of the mobile device of first embodiment of the invention；
Fig. 1 D are the operation charts of the machine type communication system of first embodiment of the invention；
Fig. 2A is the schematic diagram of the machine type communication system of second embodiment of the invention；
Fig. 2 B are the operation charts of the machine type communication system of second embodiment of the invention；
Fig. 3 is the operation chart of the machine type communication system of third embodiment of the invention；
Fig. 4 is the flow chart of a large amount of small data transmission methods of fourth embodiment of the invention；
Fig. 5 is the flow chart of a large amount of small data transmission methods of fifth embodiment of the invention；And
Fig. 6 is the flow chart of a large amount of small data transmission methods of sixth embodiment of the invention.
Component label instructions in figure：
1,2,3 machine type communication system
11 base stations
13a~13f mobile devices
111 transceivers
113 processors
131a transceivers
133a processors
15 backend network servers
A1, A2, A3 data
Data1~data6 small datas
DATA1, DATA3, DATA4, DATA6 small data
D1, D3, D4, D6 small data
PriV1~PriV6 private vector datas
The public vector datas of PubV
S1 scalar datas
S2 scalar datas
MAP1, MAP2 correspondence vector data
Specific implementation mode
Under the content of the present invention will be explained by embodiment.Palpus expositor, the embodiment of the present invention are not to limit
The system present invention must can be implemented in any specific environment, application or particular form as described embodiments.Therefore, related to implement
The explanation of example is only the explaination purpose of the present invention, rather than to limit the present invention, and the requested range of this case, to apply for a patent
Subject to range.In addition to this, it in following embodiment and schema, has been omitted from the indirect relevant element of the present invention and does not paint
Show, and the size relationship of each interelement is only to ask and be readily understood by following figures, it is non-limiting actual ratio.
Please refer to Fig.1 A~1C.Figure 1A is the schematic diagram of a machine type communication system 1 of first embodiment of the invention.Machine
Device type communication system 1 includes a base station 11 and multiple mobile device 13a~13f.Wherein, base station 11 and a back-end network take
It is engaged in that there is a data transmission line between device 15.Figure 1B is the block diagram of the base station 11 of first embodiment of the invention.Fig. 1 C are these
The block diagram of the mobile device 13a of invention first embodiment.Wherein, mobile device 13b~13f and mobile device 13a is in framework
And it is functionally identical, therefore repeat no more.
In addition, after registration is completed in mobile device 13a~13f and base station 11, base station 11 first by private vector data PriV1~
PriV6 is provided give mobile device 13a~13f respectively, verification purposes when as receipt of subsequent data.Wherein, private vector number
There is uniqueness each other according to PriV1~PriV6.The interaction of interelement will be in hereafter finally to be expanded on further.
It is the operation chart of the machine type communication system 1 of first embodiment of the invention please also refer to Fig. 1 D.It is first
First, the processing unit 113 of base station 11 receives data A1 by Transmit-Receive Unit 111 from backend network servers 15, and data A1 includes
Corresponding to multiple small data data1~data6 of mobile device 13a~13f.Then, the processing unit 113 of base station 11 is according to small
Private vector data PriV1~PriV6 of data data1~data6 and mobile device 13a~13f is calculated and is corresponded to decimal
According to the scalar data S1 of data1~data6.
Then, 11 Transmit-Receive Unit 111 of base station is same by scalar data S1 using resource block (Resource Block, RB)
When transmission (such as：The mode broadcasted or multicasted) to mobile device 13a~13f.On the other hand, mobile device 13a~13f is received
It, can be respectively according to its own private vector data PriV1~PriV6, from scalar data S1 to after scalar data S1
In, capture corresponding small data data1~data6.
More specifically, for mobile device 13a, when the Transmit-Receive Unit 131a of mobile device 13a is received from base station 11
After scalar data S1, since the calculating of scalar data S1 utilizes the small data data1 of mobile device 13a to be sent to and corresponding
Private vector data PriV1, therefore, mobile device 13a can be directly according to private vector data PriV1, from scalar data
Small data data1 is captured in S1, in this way, mobile device 13a will be able to obtain the small of 11 mobile device 13a to be sent to of base station
Data Data.
It should be specified, since private vector data used in the present invention has uniqueness, each mobile device is only
The small data of corresponding private vector data in scalar data can be captured.For example, since mobile device 13a only has private
Vectorial PriV1, therefore, mobile device 13a is only obtained captures small data by private vector data PriV1 from scalar data S1
Data1, and other small datas can not be captured.
It separately need to especially emphasize, though being illustrated with six groups of mobile devices in first embodiment, so it is not moved to limit
The quantity of dynamic device.In addition, small data data1~data6 corresponding to mobile device 13a~13f is by backend web services
Device 15 (such as：Core network) it determines, then scalar data S1 is calculated according to this after receiving small data data1~data6 by base station 11,
And scalar data S1 is transferred to corresponding mobile device 13a~13f.
Please refer to Fig.2 A~2B.Wherein, Fig. 2A is the signal of a machine type communication system 2 of second embodiment of the invention
Figure, Fig. 2 B are the operation charts of the machine type communication system 2 of second embodiment of the invention.Wherein, second embodiment and the
The network architecture of one embodiment is similar, therefore the identical element function of symbol is also same, is repeated no more in this.Second embodiment is main
It is the state sample implementation that another a large amount of small data transmissions are further described in detail.
Specifically, in second embodiment, base station 11 is in addition to providing the private vector data PriV1 such as first embodiment
Outside~PriV6, a public vector data PubV is more provided simultaneously and gives mobile device 13a~13f.In other words, each mobile device 13a
~13f also has shared public vector data PubV other than with respective private vector data PriV1~PriV6.
First, it is different from the first embodiment, in second embodiment, the processing unit 113 of base station 11 passes through Transmit-Receive Unit
111 receive data A2 from backend network servers 15, and data A2 includes corresponding to the more of mobile device 13a, 13c, 13d and 13f
A small data DATA1, DATA3, DATA4 and DATA6.In other words, data A2 only need to be sent to mobile device 13a, 13c, 13d
And the small data of 13f, and without the small data for being sent to mobile device 13b and 13e.
Meanwhile the processing unit 113 of base station 11 determines multiple small data DATA1, DATA3, DATA4 and DATA6 and movement
The one of device 13a~13f corresponds to relation vector data MAP1.Wherein, correspondence vector data MAP1 records small data and moves
The correspondence of dynamic device 13a~13f, the small data for being sent to device itself is preliminarily judged whether there is in order to each mobile device.
In more detail, the processing unit 113 of base station 11 is according to small data DATA1, DATA3, DATA4 and DATA6, corresponding
Private vector data PriV1, PriV3, Priv4 and PriV6, public vector data PubV and correspondence vector data
MAP1 calculates the scalar data S2 corresponding to small data DATA1, DATA3, DATA4 and DATA6.
Then, 11 Transmit-Receive Unit 111 of base station utilizes RB, and scalar data S2 is sent to mobile station 13a~13f simultaneously.Separately
On the one hand, after mobile device 13a~13f receives scalar data S2, data are first judged whether there is according to shared vector data PubV
It is sent to device itself, then decides whether that corresponding small data must be captured from scalar data S2 according to this.
In detail, for mobile device 13a, mobile device 13a is after receipts meet scalar data S2, first according to public vector
Data PubV captures correspondence vector data MAP1 from scalar data S2.Then, since correspondence vector data MAP1 remembers
Record is corresponding to the small data DATA1 of mobile device 13a, and therefore, mobile device 13a can judge have in scalar data S2 according to this
Corresponding to the small data DATA1 of mobile device 13a, and further according to corresponding private vector data PriV1, from scalar data
Small data DATA1 is captured in S2.
On the other hand, for mobile device 13b, mobile device 13b after receipts meet scalar data S2, first according to it is public to
It measures data PubV and captures correspondence vector data MAP1 from scalar data S2.Subsequently, as correspondence vector data MAP1
Record has no the small data for being sent to mobile device 13b, and therefore, mobile device 13b can give up scalar data S2 according to this.
Referring to FIG. 3, it is the operation chart of a machine type communication system 3 of third embodiment of the invention.Wherein,
3rd embodiment is similar to the network architecture of previous embodiment, therefore the identical element function of symbol is also same, is repeated no more in this.
3rd embodiment is mainly further to illustrate the present invention's using Chinese remainder theorem (Chinese Remainder Theorem)
The detailed operation rules of data transmission.
In 3rd embodiment, the public vector data PubV and private vector data of machine type communication system 3
PriV1~PriV6 is the prime number for having uniqueness.Wherein, 101 PubV, PriV1~PriV6 are respectively 23,29,31,37,53
And 43.And in 3rd embodiment, the processing unit 113 of base station 11 is connect by Transmit-Receive Unit 111 from backend network servers 15
Data A3 is received, data A3 includes multiple small data D1, D3, D4 and D6 corresponding to mobile device 13a, 13c, 13d and 13f,
Value is respectively 17,30,25 and 32.Similarly, the small data of mobile device 13a, 13c, 13d and 13f need to be only sent to, and nothing
It is sent to the small data of mobile device 13b and 13e.
Then, the processing unit 113 of base station 11 determines multiple small data D1, D3, D4 and D6 and mobile device 13a~13f
One correspond to relation vector data MAP2.And in 3rd embodiment, correspondence vector data MAP2 is numbered suitable using device
Sequence records the correspondence of small data and mobile device 13a~13f.
More specifically, in 3rd embodiment, mobile device 13a~13f has number order 1~6, therefore, right
Answer relation vector data MAP2 using six binary data, whether be sequentially recorded has small data that need to be sent to number 1~6
Mobile device 13a~13f (1 representative has data transmission, the transmission of 0 table no data).
In this state sample implementation, since the relationship that small data to mobile device 13a~13f are transmitted in base station 11 is：(1) mobile
Device 13a has small data D1, binary value 1；(2) mobile device 13b is without small data, binary value 0；(3) mobile device
13c has small data D3, binary value 1；(4) mobile device 13d has small data D4, binary value 1；(5) mobile device 13e
Without small data, binary value 0；(6) mobile device 13f has a small data D6, binary value 1, therefore, correspondence vector number
It is six binary data 101101 according to MAP2, it is 45 to be scaled decade.
Then, base station 11 utilize Chinese remainder theorem, according to small data D1, D3, D4 and D6, mobile device 13a, 13c,
Private vector data PriV1, PriV3, PriV4 and PriV6 of 13d and 13f, public vector data PubV and correspondence to
Data MAP2 is measured, scalar data S2 is calculated.Wherein, private vector data PriV1, PriV3, PriV4 and PriV6 and it is public to
Amount data PubV represents divisor, and correspondence vector data MAP2 and small data D1, D3, D4 and D6 represent remainder, scalar number
Dividend is represented according to S2.
In other words, it is necessary to meet following condition by scalar data S2：
S2%PubV=MAP2 (i.e. S2%101=45)
S2%PriV1=D1 (i.e. S2%23=17)
S2%PriV3=D3 (i.e. S2%31=30)
S2%PriV4=D4 (i.e. S2%37=25)
S2%PriV6=D6 (i.e. S2%43=32)
Accordingly, base station 11 can calculate scalar data S2=247 according to Chinese remainder theorem, and according to this by scalar data S2
Mobile device 13a~13f is sent in a manner of broadcasting or multicast.
Then, for mobile device 13a, corresponding close is captured from scalar data S2 first with public vector data PubV
It is vector data MAP2, and judges whether there is the small data needed for device itself according to this.In detail, mobile device 13a is by scalar
The remainder of data S2 (i.e. 247) divided by PubV (i.e. 101), gained are correspondence vector data MAP2 (i.e. 45).Mobile dress
It sets 13a and is further converted into binary one 01101 by 45.
At this point, since mobile device 13a judges that it corresponds to first binary system ratio of correspondence vector data MAP2
Specially for one (indicating accordingly to transmit data), therefore, mobile device 13a can be determined in scalar data S2, and there is transmission to give device
The small data of itself.Accordingly, mobile device 13a captures small data D1 using private vector data PriV1 from scalar data S2.In detail
Yan Zhi, mobile device 13a by scalar data S2 (i.e. 247) divided by PriV1 (i.e. 23), the remainder of gained be small data D1 (i.e.
17)。
Similarly, mobile device 13c, 13d and 13f can judge have transmission to give device in S2 respectively by same mode
The small data of itself, and corresponding small data D3, D4 and D6 are further captured from scalar data S2.
On the other hand, it for mobile device 13b, is equally picked from scalar data S2 first with public vector data PubV
Correspondence vector data MAP2 is taken, and judges whether there is the small data needed for device itself according to this.In detail, mobile device
13b by scalar data S2 (i.e. 247) divided by PubV (i.e. 101), the remainder of gained be correspondence vector data MAP2 (i.e.
45).Mobile device 13b is further converted into binary one 01101 by 45.
At this point, since mobile device 13b judges that it corresponds to second binary system ratio of correspondence vector data MAP2
Specially for zero (indicating without corresponding transmission data), therefore, mobile device 13b can determine in scalar data S2 that not having transmission gives dress
The small data of itself is set, then is directly given up scalar data S2.Similarly, mobile device 13e can judge in the same way
Do not have the small data that device itself is given in transmission in scalar data S2, and gives up scalar data S2.
It need to especially emphasize, in 3rd embodiment, due to the use of Chinese remainder theorem, therefore, public vector data and private
With vector data in addition to being prime number with uniqueness, since the relationship of divisor (vector) and remainder (small data) must be contemplated.
Accordingly, when vector is set, public vector data must be more than the value for the correspondence vector data that may be used, and private vector
Data also have to be larger than the value of issuable corresponding small data, thus, can meet divisor in Chinese remainder theorem
With the relationship of remainder.
Though in addition, the remainder of aforementioned Chinese remainder theorem be metric positive integer, so the present invention in small data data
Transmission form is not limited to metric positive integer, and in other words, small data of the invention can be converted to difference before transmission
Data types (such as：Binary system, octal system or hexadecimal), and be again converted to small data via corresponding conversion regime
Metric positive integer.
Furthermore in aforementioned third embodiment, the application of Chinese remainder theorem is mainly to illustrate the operation side of the present invention
Formula, however the state sample implementation that it is not intended to limiting the invention, those skilled in the art should can be readily appreciated that by foregoing teachings
The calculation of other same attainable cost inventive technique effects, repeats no more in this.
The fourth embodiment of the present invention is a large amount of small data transmission methods, and flow chart please refers to Fig.4.Fourth embodiment
Method is to be used for a machine type communication system (such as machine type communication system of previous embodiment).Machine type communication system
System includes a base station and multiple mobile devices, has a data transmission line between base station and a backend network servers, respectively
Mobile device has the private vector data that base station provides, and the private vector data of each mobile device has uniqueness, multiple
Mobile device includes the first movement device with the first private vector data.The detailed step of fourth embodiment is as described below.
First, step 401 is executed, base station is enabled to be received from backend network servers corresponding to the multiple small of multiple mobile devices
Data.Step 402 is executed, enables base station according to multiple small datas and multiple private vector datas of multiple mobile devices, calculates phase
It should be in the scalar data of multiple small datas.Step 403 is executed, enables base station that scalar data is sent to multiple mobile devices.It executes
Step 404, it enables first movement device according to the first private vector data, one first small data is captured from scalar data.Wherein,
First small data corresponds to first movement device.
The fifth embodiment of the present invention is a large amount of small data transmission methods, and flow chart please refers to Fig. 5.5th embodiment
Method is to be used for a machine type communication system (such as machine type communication system of previous embodiment).Machine type communication system
System includes a base station and multiple mobile devices, has a data transmission line between base station and a backend network servers, respectively
Mobile device has the private vector data that base station provides, and the private vector data of each mobile device has uniqueness, each to move
Dynamic device has more the public vector data that base station provides, and multiple mobile devices include first with the first private vector data
Mobile device.The detailed step of 5th embodiment is as described below.
First, step 501 is executed, base station is enabled to be received from backend network servers corresponding to the multiple small of multiple mobile devices
Data.Step 502 is executed, base station is enabled to determine the correspondence vector data of multiple small datas and multiple mobile devices.Execute step
Rapid 503, enable base station according to multiple small datas, multiple private vector datas of multiple mobile devices, public vector data and right
Relation vector data are answered, the scalar data corresponding to multiple small datas is calculated.Step 504 is executed, base station is enabled to pass scalar data
It send to multiple mobile devices.
Step 505 is executed, enables first movement device according to public vector data, correspondence vector is captured from scalar data
Data.Execute step 506, enable first movement device according to correspondence vector data, judge in scalar data have correspond to
First small data of first movement device.Step 507 is executed, enables first movement device according to the first private vector data, from mark
The first small data is captured in amount data.
The sixth embodiment of the present invention is a large amount of small data transmission methods, and flow chart please refers to Fig. 6.Sixth embodiment
Method is to be used for a machine type communication system (such as machine type communication system of previous embodiment).Machine type communication system
System includes a base station and multiple mobile devices, has a data transmission line between base station and a backend network servers, respectively
Mobile device has the private vector data that base station provides, and the private vector data of each mobile device has uniqueness, each to move
Dynamic device has more the public vector data that base station provides, and multiple mobile devices include first with the first private vector data
Mobile device.The detailed step of sixth embodiment is as described below.
First, step 601 is executed, base station is enabled to be received from backend network servers corresponding to the multiple small of multiple mobile devices
Data.Step 602 is executed, base station is enabled to determine the correspondence vector data of multiple small datas and multiple mobile devices.Execute step
Rapid 603, enable base station utilize Chinese remainder theorem, according to multiple small datas, multiple private vector datas of multiple mobile devices, public affairs
With vector data and correspondence vector data, the scalar data corresponding to multiple small datas is calculated.Wherein, multiple privates to
Amount data and public vector data represent divisor, and correspondence vector data and multiple small datas represent remainder, scalar number
According to representing dividend.
Step 604 is executed, enables base station that scalar data is sent to multiple mobile devices.Step 605 is executed, first movement is enabled
Device is by scalar data divided by public vector data.Wherein, the remainder of scalar data divided by public vector data is correspondence
Vector data.Step 606 is executed, enables first movement device according to correspondence vector data, judges that there is phase in scalar data
It should be in the first small data of first movement device.Step 607 is executed, enables first movement device by scalar data divided by the first private
Vector data.Wherein, the remainder of scalar data divided by the first private vector data is the first small data.
In conclusion small data is mainly calculated as using private vector data by aggregate measure by the base station of the present invention
Scalar data, therefore, when the total amount of small data is more, expression scalar data is bigger, then the data efficiency availability of RB will substantially
It carries.Furthermore multiple mobile devices by way of multicasting or broadcasting while being sent to due to this scalar data, also will not
There is the problem of data transfer delay to generate.In addition, the present invention further utilizes public vector data and correspondence, accelerate
Mobile device judges the small data whether there is device itself to need in scalar data, thus, can more accelerate data processing
Efficiency.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and it is perfect, therefore the present invention protection model
It encloses to work as and is subject to what claims were defined.
Claims (11)
1. machine type communication system of the one kind for a large amount of small datas (massive small data) transmission, including：
One base station；
Multiple mobile devices, respectively the mobile device have the base station provide a private vector data, respectively the mobile device should
It includes that the first movement with one first private vector data fills that private vector data, which has uniqueness, multiple mobile device,
It sets；
Wherein, which receives multiple small datas corresponding to multiple mobile device, the base station from a backend network servers
According to multiple small data and multiple private vector data of multiple mobile device, calculates and correspond to multiple small data
A scalar data, which is sent to multiple mobile device by the scalar data, the first movement device according to this first
Private vector data, one first small data is captured from the scalar data, which corresponds to the first movement device.
2. machine type communication system as described in claim 1, which is characterized in that respectively the mobile device is carried with more the base station
The public vector data supplied, which further determines a corresponding relation vector number of multiple small data with multiple mobile device
According to the base station is more according to multiple small data, multiple private vector data of multiple mobile device, the public vector data
And the correspondence vector data, calculate the scalar data corresponding to multiple small data, the first movement device more root
According to the public vector data, the correspondence vector data is captured from the scalar data, the first movement device is more right according to this
Relation vector data are answered, judge first small data for having corresponding to the first movement device in the scalar data, this first
According to the first private vector data, first small data is more captured from the scalar data for mobile device.
3. machine type communication system as claimed in claim 2, which is characterized in that the public vector data and multiple private
It is the prime number data for having uniqueness with vector data, which more utilizes Chinese remainder theorem (Chinese Remainder
Theorem), according to multiple small data, multiple private vector data of multiple mobile device, the public vector data with
And the correspondence vector data, calculate corresponding to multiple small data the scalar data, multiple private vector data with
And the public vector data represents divisor, the correspondence vector data and multiple small data represent remainder, the scalar number
According to representing dividend, the first movement device is more by the scalar data divided by the public vector data, the scalar data divided by should
The remainder of public vector data is the correspondence vector data, more by the scalar data divided by the first private vector data,
The remainder of the scalar data divided by the first private vector data is first small data.
4. machine type communication system as described in claim 1, which is characterized in that the base station more the scalar data is broadcasted or
It multicasts to multiple mobile device.
5. a kind of base station for machine type communication system, which is to be used for a large amount of small datas
(massive small data) is transmitted, and further includes multiple mobile devices, and respectively the mobile device has the one of base station offer
Private vector data, respectively with uniqueness, which includes the private vector data of the mobile device：
One transceiver；
One processor；
Wherein, which receives multiple small datas corresponding to multiple mobile device from a backend network servers, at this
Device is managed according to multiple small data and multiple private vector data of multiple mobile device, is calculated corresponding to multiple small
The scalar data is sent to multiple mobile device by one scalar data of data, the processor by the transceiver, in order to respectively should
Mobile device captures corresponding respectively small data from the scalar data according to the respectively private vector data.
6. base station as claimed in claim 5, which is characterized in that respectively the mobile device with more the base station provide one it is public to
Data are measured, which further determines a corresponding relation vector data of multiple small data with multiple mobile device, the processing
Device more according to multiple small data, multiple private vector data of multiple mobile device, the public vector data and is somebody's turn to do
Correspondence vector data calculates the scalar data corresponding to multiple small data.
7. base station as claimed in claim 6, which is characterized in that the public vector data and multiple private vector be tool only
The prime number data of one property, which more utilizes Chinese remainder theorem (Chinese Remainder Theorem), more according to this
Multiple private vector data, the public vector data and correspondence vector data of a mobile device calculate corresponding
In the scalar data of multiple small data, multiple private vector data and the public vector data represent divisor, this is right
Relation vector data and multiple small data are answered to represent remainder, which represents dividend.
8. base station as claimed in claim 5, which is characterized in that more broadcast or multicast the scalar data to multiple in the base station
Mobile device.
9. a kind of first movement device for machine type communication system, which further includes a base station,
There is the first movement device the one first private vector data that the base station provides, the first private vector data to have unique
Property, which includes：
One transceiver；
One processor；
Wherein, which receives a scalar data from the base station, which is the base station according to first private
With vector data and multiple second private vector datas, the data corresponding to multiple small datas are calculated, according to first private
Vector data, one first small data is captured from the scalar data, which corresponds to the first movement device.
10. first movement device as claimed in claim 9, which is characterized in that the first movement device is carried with more the base station
The public vector data supplied, the first movement device capture one from the scalar data and correspond to more according to the public vector data
Relation vector data, the first movement device judge to have in the scalar data corresponding more according to the correspondence vector data
In first small data of the first movement device, the first movement device is more according to the first private vector data, from the mark
First small data is captured in amount data.
11. first movement device as claimed in claim 10, which is characterized in that the public vector data and first private
Vector is the prime number data of tool uniqueness, and the first movement device is more by the scalar data divided by the public vector data, the mark
The remainder for measuring data divided by the public vector data is the correspondence vector data, more by the scalar data divided by first private
With vector data, the remainder of the scalar data divided by the first private vector data is first small data.
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Application publication date: 20181113 |