CN102164425A - MTC (machine type communication)equipment management method, system and MTC equipment - Google Patents
MTC (machine type communication)equipment management method, system and MTC equipment Download PDFInfo
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Abstract
The invention discloses an MTC (machine type communication)equipment management method, a system and MTC equipment, and relates to the communication technique. Each MTC equipment is divided into MTC master equipment and MTC slave equipment, the MTC master equipment has data interaction with an MTC server directly, and the MTC slave equipment is used for transmitting data required to be sent to the MTC server by the MTC master equipment and then receiving data which is returned from the MTC server and forwarded by the MTC master equipment, wherein the MTC slave equipment is connected with the MTC master equipment according to an indication signal channel provided by the MTC master equipment. The MTC server is required to maintain the MTC master equipment only, so that each MTC slave equipment can be maintained by each MTC master equipment, and the load of MTC equipment management brought to a core network can be lowered.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of MTC device management method, system and MTC equipment.
Background technology
MTC (Machine Type Communication, the communication of type class) be meant that the wired or wireless network with common carrier is a platform, adopt multiple transmission means, by the special trade terminal, the machine of serving enterprise or industry user is to machine data collection, transport service.
Saturated along with the radio communication in HTH (Human to Human, Human To Human) market, the market with the machine communication by target is more and more paid close attention to by each operator.MTC has wide application prospect, and MTC has been applied to industries such as finance, retail, industry, agricultural, traffic, construction, amusement at present, supports application such as fleet management, safety monitoring, automatic data logging, retail and equipment tracking.
In TS22.368 v10.2.0, MTC is described as with the difference that prior mobile network is communicated by letter: different market situations; Data communication; Lower cost and human input; Potential a large amount of communication terminal; A large amount of small data packets.
As depicted in figs. 1 and 2, Fig. 1 and Fig. 2 are respectively two kinds of MTC communication scenes that provide among the TS22.368 v10.2.0, Fig. 1 is the scene of MTC server in provider domain, Fig. 2 is the scene of MTC server outside provider domain, as can be seen, MTC equipment is that communication network by operator is independently with the direct interaction data of MTC server on backstage.
Owing to insert E-UTRAN separately by each MTC equipment at present, with the MTC server interaction data of core net.The deployment scheme that this MTC equipment directly inserts can take a large amount of Radio Resources and resources of core network along with a large amount of deployment of MTC equipment, can cause the load of wireless network and core net to increase greatly, when serious, can influence normal HTH communication quality.
In order to reduce the load that brings wireless network and core net when MTC equipment is disposed in a large number, produced MTC Managed Solution based on two-level controller, utilize two-level controller that the data that MTC equipment produces are converged, dispatch transmission according to different traffic performances.The MTC communication scenes of introducing MTCC has been introduced a new network element MTCC (MTC Controller, MTC controller) as shown in Figure 3 between MTC equipment and E-UTRAN Access Network, by MTCC MTC equipment is managed concentratedly.But MTCC can only manage concentratedly fixing static MTC equipment, and is then powerless for the MTC equipment (as vehicle-mounted MTC equipment) that moves.
Summary of the invention
The embodiment of the invention provides a kind of MTC device management method, system and MTC equipment, to realize reducing the load that the MTC equipment control brings core net.
A kind of MTC device management method comprises:
The MTC main equipment receives the upstream data of the MTC slave unit transmission of being administered, and upstream data that receives and the upstream data that self need send are sent to the MTC server; And
The MTC main equipment receives the downlink data that the MTC server sends, and after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit.
A kind of MTC device management method comprises:
The MTC slave unit sends to the MTC main equipment with upstream data;
Receive the MTC main equipment behind the downlink data that receives the transmission of MTC server, be transmitted to the downlink data of this MTC slave unit.
A kind of MTC equipment management system comprises: MTC main equipment, MTC slave unit and connect the MTC server of MTC main equipment by network side, wherein:
The MTC main equipment is used to receive the upstream data that the MTC slave unit of being administered sends, and upstream data that receives and the upstream data that self need send are sent to the MTC server; And receive the downlink data that the MTC server sends, after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit;
The MTC slave unit is used for upstream data is sent to corresponding MTC main equipment, and receives the downlink data that described MTC main equipment sends.
A kind of MTC equipment comprises:
The upstream data retransmission unit is used to receive the upstream data that the MTC slave unit of being administered sends, and upstream data that receives and the upstream data that self need send are sent to the MTC server;
The downlink data retransmission unit is used to receive the downlink data that the MTC server sends, and after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit.
A kind of MTC equipment comprises:
Transmitting element is used for upstream data is sent to the MTC main equipment;
Receiving element is used to receive the MTC main equipment behind the downlink data that receives the transmission of MTC server, is transmitted to the downlink data of this MTC slave unit.
The embodiment of the invention provides a kind of MTC device management method, system and MTC equipment, each MTC battery limits is divided into MTC main equipment and MTC slave unit, by the MTC main equipment directly and the MTC server carry out data interaction, the data that the MTC slave unit will need to send are transmitted to the MTC server via the MTC main equipment, receive the data that MTC server that the MTC main equipment transmits returns again, wherein, the MTC slave unit connects the MTC main equipment according to the indicating channel that the MTC main equipment provides.Because the MTC server only need be safeguarded the MTC main equipment, safeguards each MTC slave unit by each MTC main equipment, thereby realize reducing the load that the MTC equipment control brings core net.
Description of drawings
Fig. 1 is arranged in the MTC equipment management system structural representation of provider domain for MTC in the prior art;
Fig. 2 is positioned at the outer MTC equipment management system structural representation of provider domain for MTC in the prior art;
Fig. 3 is the MTC equipment management system structural representation behind the increase MTCC in the prior art;
The MTC that Fig. 4 a provides for the embodiment of the invention is arranged in the MTC equipment management system structural representation of provider domain;
The MTC that Fig. 4 b provides for the embodiment of the invention is positioned at the outer MTC equipment management system structural representation of provider domain;
Fig. 5 is the MTC equipment management system structural representation corresponding with the embodiment of the invention one;
Fig. 6 sets up the flow chart of wireless connections for MTC slave unit in the embodiment of the invention two and MTC main equipment;
Fig. 7 is the MTC equipment management system structural representation corresponding with the embodiment of the invention three;
A kind of MTC device structure schematic diagram that Fig. 8 a and Fig. 8 b provide for the embodiment of the invention;
The another kind of MTC device structure schematic diagram that Fig. 9 a and Fig. 9 b provide for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of MTC device management method, system and MTC equipment, each MTC battery limits is divided into MTC main equipment and MTC slave unit, by the MTC main equipment directly and the MTC server carry out data interaction, the data that the MTC slave unit will need to send are transmitted to the MTC server via the MTC main equipment, receive the data that MTC server that the MTC main equipment transmits returns again, wherein, the MTC slave unit connects the MTC main equipment according to the indicating channel that the MTC main equipment provides.Because the MTC server only need be safeguarded the MTC main equipment, safeguards each MTC slave unit by each MTC main equipment, thereby realize reducing the load that the MTC equipment control brings core net.
In embodiments of the present invention, MTC equipment is divided into groups according to preset rule, the interior MTC equipment of group can be considered and constitutes a DTN (Delay Tolerant Network, time-delay tolerance network) territory, and in a DTN territory, select part MTC equipment in the territory as the convergence node, in embodiments of the present invention, be called MTC main equipment (MTC Master Device), all the other the MTC equipment in the DTN territory are called MTC slave unit (MTC Slave Device).
The MTC communication scenes that the embodiment of the invention provides in each DTN territory, comprises at least one MTC main equipment 401 shown in Fig. 4 a and Fig. 4 b, all the other MTC equipment are MTC slave unit 402, wherein:
MTC main equipment 401 can pass through the random access procedure access network, network side can carry out paging to MTC main equipment 401, MTC main equipment 401 also can be directly and network side carry out transfer of data, transfer of data is received data to MTC server 403 or MTC slave unit server 403, and core net is directly safeguarded the positional information of MTC main equipment 401.MTC main equipment 401 is safeguarded the positional information of MTC slave unit 402, and the data from each MTC slave unit 402 are converged, the unified MTC server 403 that sends to, when the downlink data that MTC equipment reception MTC server 403 issues, also be like this, MTC main equipment 401 directly receives the downlink data that MTC server 403 issues by network side, the downlink data that MTC server 403 sends to MTC slave unit 402 then is to send to corresponding M TC main equipment 401 by network side, is transmitted to this MTC slave unit 402 by MTC main equipment 401 again.
Simultaneously, in order to guarantee that further MTC slave unit 402 normally carries out with communicating by letter of network side, can be so that MTC slave unit 402 be when connecting the indication channel power intensity that sends less than MTC main equipment 401 or the MTC main equipment 401 that receives and do not reach set point, connect other MTC slave unit 402 nearby, and upstream data is forwarded to MTC main equipment 401 by other MTC slave unit 402; Equally, when MTC main equipment 402 sends to target MTC slave unit 402 at needs with downlink data, if directly do not connect this target MTC slave unit 402, also this downlink data can be sent to other MTC slave unit 402, and this downlink data is forwarded to target MTC slave unit 402 by other MTC slave unit 402.
In the DTN territory, each MTC equipment adopts " storing → carry → transmit " message mode to solve owing to the indirect connection, than problem long and that Variable delay, asymmetric data rate and high bit-error brought.Use this mode, intermediate node can packet discard under the situation that does not have to connect, but when moving, carry these data and wait for a suitable opportunity and transmit these packets, thereby guarantee that MTC slave unit 402 normally carries out with communicating by letter of network side to next node.
MTC main equipment 401 can determine whether to transmit this upstream data immediately according to the type of received upstream data, if then transmit immediately, otherwise time-delay sends to the MTC server with upstream data.For example: if the source MTC slave unit 402 of this upstream data is the gas alarming device, and this upstream data is a data with alert, then need immediately this upstream data to be transmitted to MTC server 403, if this upstream data is to insensitive routine data of time, then can be with the unified MTC server 403 that is transmitted to of other upstream datas, MTC main equipment 401 can regularly be unified to transmit, and unifies to transmit after also can reaching set point in the data volume of the upstream data that needs send.
Before MTC main equipment 401 is unified to transmit, can compress upstream data that receives and the upstream data that self need send according to predefined mode earlier, thereby reduce required data quantity transmitted, alleviate network burden, usually, compress mode gets final product according to the mode of MTC main equipment 401 with MTC server 403 agreements; Same, MTC server 403 also can compress downlink data again and send, and MTC main equipment 401 also need be according to the predefined mode downlink data that decompresses after receiving the downlink data that MTC server 403 sends.
MTC main equipment 401 can provide multiple connected mode, so that various MTC slave units 402 are connected with MTC main equipment 401 and communicate, for example, MTC main equipment 401 can provide line interface, thereby carry out wired connection with MTC slave unit 402, MTC main equipment 401 also can provide indicating channel, thereby sets up wireless connections with MTC slave unit 402, under the needs situation, MTC main equipment 401 also can connect by short-distance radio ways of connecting such as bluetooth and MTC slave unit 402.
Generally, MTC main equipment 401 chosen position is as far as possible fixed or the moving range small device, so that MTC slave unit 402 connects when needed and interaction data.
Below, connection and data transmission relations between MTC main equipment, the MTC slave unit describe by several specific embodiments:
Embodiment one,
In the DTN territory, the MTC main equipment is set in position, make each MTC slave unit directly to be connected with the MTC main equipment.Each MTC main equipment receives the upstream data of the MTC slave unit transmission of being administered, and upstream data that receives and the upstream data that self need send are sent to the MTC server; And the downlink data of MTC main equipment reception MTC server transmission, after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit.
The MTC slave unit sends to the MTC main equipment with upstream data; And receive the MTC main equipment behind the downlink data that receives the transmission of MTC server, be transmitted to the downlink data of this MTC slave unit.
For example, as shown in Figure 5, MTC main equipment 501 connects a MTC slave unit 5021 and the 2nd MTC slave unit 5022, MTC main equipment 501 also connects MTC server 503 by network side, when a MTC slave unit 5021 and the 2nd MTC slave unit 5022 have upstream data to send so, then upstream data is sent to this MTC main equipment 501, if MTC main equipment 501 is forwarding uplink data regularly, when forwarding time arrives, upstream data of receiving and the upstream data that self need send are sent to MTC server 503, if MTC main equipment 501 is before forwarding time arrives, upstream data that receives from a MTC slave unit 5021 and the upstream data that receives from the 2nd MTC slave unit 5022 have been received, and the upstream data that needs transmission is also arranged self, the then unified upstream data that self need send that sends, upstream data that receives from a MTC slave unit 5021 and the upstream data that receives from the 2nd MTC slave unit 5022; MTC main equipment 501 receives the downlink data that MTC server 503 sends, after, keeping the downlink data that sends to self handles, the downlink data that sends to a MTC slave unit 5021 is sent to a MTC slave unit 5021, the downlink data that sends to the 2nd MTC slave unit 5022 is sent to the 2nd MTC slave unit 5022.
Embodiment two,
The foundation of the wireless connections of MTC main equipment and MTC slave unit.
It is better to set up wireless connections between MTC main equipment and the MTC slave unit that moves, thereby reduces the constraint to the MTC slave unit that moves, and as shown in Figure 6, a kind of mode of carrying out wireless connections comprises:
Step S601, MTC main equipment provide indicating channel to the MTC slave unit;
When step S602, MTC slave unit are connected to the MTC main equipment at needs, detect the indicating channel that the MTC main equipment provides;
Behind step S603, the MTC main equipment provides in detecting this DTN territory the indicating channel, select a MTC main equipment and send the request of access to this MTC main equipment;
Step S604, MTC main equipment connect by indicating channel and MTC slave unit after the access request that receives the transmission of MTC slave unit.
Further, select to select the MTC main equipment that will connect for ease of the MTC slave unit, when the MTC main equipment provides indicating channel to the MTC slave unit, can carry the current load parameter of this MTC main equipment with reference to the resource surplus of each MTC main equipment, for example carry residue and meet information relatively, as 30%.Because between MTC main equipment and the MTC slave unit is wireless connections, so the quantity of the available MTC main equipment that the MTC slave unit can detect is less than or equal to the configuration quantity of the MTC main equipment in certain zone usually, the MTC slave unit is when choosing the MTC main equipment like this, then can at first dynamically generate the set of available MTC main equipment, from this set, select again according to the available MTC main equipment that searches.
The MTC slave unit can carry out according to following several rules when selecting the MTC main equipment that will connect:
1) selects based on the received power intensity of MTC main equipment indicating channel.
According to the received signal intensity of each MTC main equipment indicating channel in the set of available MTC main equipment, choose wherein that the MTC main equipment of received signal intensity level maximum connects, promptly send the request of access to this MTC main equipment;
2) select in the MTC main equipment resource surplus that indicating channel provides based on the MTC main equipment.
Based on the resource surplus that each MTC main equipment indicating channel in the set of available MTC main equipment provides, choose wherein that the MTC main equipment of resource surplus maximum connects, promptly send the request of access to this MTC main equipment;
3) select at the MTC main equipment resource surplus weights that indicating channel provides based on the received power intensity and the MTC main equipment of MTC main equipment indicating channel.
The weighted value α of the received power intensity of configuration MTC main equipment indicating channel, and configuration MTC main equipment resource surplus weighted value β.
Draw the received power intensity index A of MTC main equipment by the received power intensity ranking value of MTC main equipment indicating channel, for example, ranking value the first can be set, then received power intensity index value is 1, ordering the second, and then received power intensity index value is 2;
Draw the resource surplus index B of MTC main equipment by the resource surplus ranking value of MTC main equipment indicating channel indication, for example, ranking value the first can be set, then resource surplus exponential quantity is 1, ranking value the second, and then resource surplus exponential quantity is 2;
Calculating weights ω=α * (A)+β * (B).
The MTC main equipment of choosing the weights minimum connects, and promptly sends the request of access to this MTC main equipment.
Embodiment three,
Quantity for control MTC main equipment, further alleviate the burden of network side, and guarantee to be difficult to and MTC slave unit that the MTC main equipment directly connects and network side between communicate by letter and can carry out, can be so that can connect between the MTC slave unit and interaction data, promptly, make the MTC slave unit that routing function is provided, receive the data that other MTC slave unit sends, and in the suitable actual next stop that is forwarded to.By the data forwarding of MTC slave unit, promptly can realize being difficult to and MTC slave unit that the MTC main equipment directly connects and network side between communicate by letter.
At this moment, the upstream data that sends of the MTC slave unit that receives of MTC main equipment comprises:
Directly receive the upstream data of the MTC slave unit transmission that is connected; And the MTC slave unit that receives not connection passes through the upstream data that other MTC slave unit is transmitted.
The MTC main equipment sends to corresponding M TC slave unit with other downlink data, comprising:
The downlink data of the MTC slave unit that connects sending to directly sends to this MTC slave unit; And be transmitted to the MTC slave unit that this does not connect by the downlink data that other MTC slave unit will send to not the MTC slave unit that connects.
As shown in Figure 7, in this embodiment, MTC main equipment 701 connects MTC server 703, the one MTC slave unit 7021 directly is connected with MTC main equipment 701 with the 4th MTC slave unit 7024, and the 2nd MTC slave unit 7022 all can not be connected with MTC main equipment 701 with the 3rd MTC slave unit 7023, therefore, when the 2nd MTC slave unit 7022 has upstream data to send, can't directly this upstream data be sent to MTC main equipment 701, but other MTC slave unit that the 2nd MTC slave unit 7022 can pass through to be connected is forwarded to MTC main equipment 701 with this upstream data, situation as shown in Figure 7, be connected with two MTC slave units on the 2nd MTC slave unit 7022, be respectively a MTC slave unit 7021 and the 3rd MTC slave unit 7023, the 2nd MTC slave unit 7022 can one of picked at random send upstream data, and in order to improve forward efficiency, avoid waste of network resources, the 2nd MTC slave unit 7022 selects the MTC slave unit on MTC main equipment 701 directions preferable, and further as far as possible select the nearest MTC slave unit of MTC main equipment that can be connected to and corresponding 701, clearly, the one MTC slave unit 7021 is nearest with MTC main equipment 701, therefore, that upstream data is sent to a MTC slave unit 7021 is preferable for the 2nd MTC slave unit 7022.
The one MTC slave unit 7021 is stored this upstream data, and on suitable opportunity this upstream data is transmitted to MTC main equipment 701 behind the upstream data that receives 7022 transmissions of the 2nd MTC slave unit.The one MTC slave unit 7021 can regularly be transmitted, and transmits in the time of also can reaching set point in the data volume that needs send, can also be when self need send upstream data, and transmission receives upstream data and self need send upstream data in the lump.
Same, if when the 3rd MTC slave unit 7023 has upstream data to send, if can be connected to a MTC slave unit 7021, then select upstream data is sent to a MTC slave unit 7021, if connect less than a MTC slave unit 7021, then upstream data is sent to the 2nd MTC slave unit 7022, be transmitted to a MTC slave unit 7021 on suitable opportunity by its storage back again, the one MTC slave unit 7021 is after receiving the upstream data that needs to transmit, store this upstream data, and this upstream data is transmitted to MTC main equipment 701 on suitable opportunity.
When MTC main equipment 701 has data need send to the 2nd MTC slave unit 7022, owing to can not directly connect the 2nd MTC slave unit 7022, the downlink data of then selecting to send to the 2nd MTC slave unit 7022 sends to the MTC slave unit 7021 on the 2nd MTC slave unit 7022 directions.
The one MTC slave unit 7021 selects suitable opportunity that this downlink data is transmitted to the 2nd MTC slave unit 7022 after receiving the downlink data that sends to the 2nd MTC slave unit 7022.The one MTC slave unit 7021 can be transmitted this downlink data immediately, also can when being connected instability with the 2nd MTC slave unit 7022, temporarily wait for, after the 2nd MTC slave unit 7022 is connected, transmit this downlink data again, can also be after being connected unstable with the 2nd MTC slave unit 7022 and reaching the maximum duration of wait, this downlink data is transmitted to other MTC slave unit on the 2nd MTC slave unit 7022 directions, be transmitted to the 2nd MTC slave unit 7022 by other MTC slave unit, for example in the time can being connected to the 3rd MTC slave unit 7023, can earlier this downlink data be transmitted to the 3rd MTC slave unit 7023.
After the MTC slave unit receives downlink data, usually check the target MTC slave unit of this downlink data, when downlink data is when sending to the downlink data of self, retain line data, otherwise, downlink data is transmitted to satisfies condition of contact and the MTC slave unit nearest with the target MTC slave unit of downlink data.
Embodiment four,
A kind of execution mode of setting up wireless connections between the MTC slave unit comprises:
MTC slave unit with transfer capability provides indicating channel to other MTC slave unit;
After the access request that receives other MTC slave unit transmission, connect by indicating channel and the MTC slave unit that sends the request of access.
When the MTC slave unit is connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and is not reaching set point, the MTC slave unit detects the indicating channel that other MTC slave unit provides, and after detecting the indicating channel that other MTC slave unit provides, select at least one that the MTC slave unit of indicating channel is provided, and send the request of access, thereby set up the wireless connections between the MTC slave unit to this MTC slave unit.
This at least one the MTC slave unit of indicating channel is provided, normally satisfy MTC slave unit that condition of contact and this provide indicating channel and corresponding MTC main equipment distance than self with corresponding MTC main equipment apart from little MTC slave unit, condition of contact can reach set point for the indication channel power that receives, and also can set according to actual conditions.
After setting up the wireless connections between the MTC slave unit, connecting can be by providing the MTC slave unit forwarding uplink data of indicating channel less than the MTC slave unit of MTC main equipment, and receives the downlink data that MTC slave unit that indicating channel is provided is transmitted.
The embodiment of the invention also provides a kind of MTC equipment management system, shown in Fig. 4 a and Fig. 4 b, comprises in this system: MTC main equipment 401, MTC slave unit 402 and connect the MTC server 403 of MTC main equipment by network side, wherein:
MTC main equipment 401 is used to receive the upstream data that the MTC slave unit of being administered sends, and upstream data that receives and the upstream data that self need send are sent to the MTC server; And receive the downlink data that the MTC server sends, after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit;
In order further to reduce interactive data quantity, save Internet resources, MTC main equipment 401 also is used for:
Before the upstream data that will receive and the upstream data that self need send send to the MTC server, compress upstream data that receives and the upstream data that self need send according to predefined mode;
After receiving the downlink data that the MTC server sends, according to the predefined mode downlink data that decompresses.
For when saving resource as far as possible, realize the timely transmission of emergency data, MTC main equipment 401 can be determined type of service according to the type of upstream data, and then carries out policy control, at this moment, MTC main equipment 401 also is used for:
Behind the upstream data that the MTC slave unit of administering receiving 402 sends, determine the type of upstream data, and determine immediately upstream data to be sent to MTC server 403 or time-delay sends to MTC server 403 with upstream data according to the type of upstream data.
When carrying out wireless connections, MTC main equipment 401 also is used for, and provides indicating channel to MTC slave unit 402; And after the access request that receives 402 transmissions of MTC slave unit, connect by indicating channel and MTC slave unit 402;
For further guarantee can not with the MTC slave unit 402 of MTC main equipment 401 direct communications and communicating by letter of network side, MTC slave unit 402 can carry out routing forwarding for other MTC slave unit 402, at this moment, MTC slave unit 402 also is used for, and provides indicating channel to other MTC slave unit 402; After the access request that receives other MTC slave unit 402 transmissions, connect by indicating channel and the MTC slave unit that sends the request of access; And
When connecting the indication channel power intensity that sends less than MTC main equipment 401 or the MTC main equipment 401 that receives and not reaching set point, detect the indicating channel that other MTC slave unit 402 provides, and after detecting the indicating channel that other MTC slave unit 402 provides, the MTC slave unit 402 of selecting at least one that indicating channel is provided, and to these MTC slave unit 402 transmission access requests.
The embodiment of the invention also provides a kind of MTC equipment, and this equipment can be used as the MTC main equipment, shown in Fig. 8 a, comprising:
Upstream data retransmission unit 801 is used to receive the upstream data that the MTC slave unit of being administered sends, and upstream data that receives and the upstream data that self need send are sent to the MTC server;
Downlink data retransmission unit 802 is used to receive the downlink data that the MTC server sends, and after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit.
According to the different pass-through mode that sets, upstream data retransmission unit 801 specifically is used for: receive the upstream data of the MTC slave unit transmission that is connected, and regularly upstream data that receives and the upstream data that self need send are sent to the MTC server; Perhaps when the total amount of data of the upstream data that receives and the upstream data that self need send reaches set point, upstream data that receives and the upstream data that self need send are sent to the MTC server.
In order to reduce the data interaction amount, save Internet resources, upstream data retransmission unit 801 also is used for: before the upstream data that will receive and the upstream data that self need send send to the MTC server, compress upstream data that receives and the upstream data that self need send according to predefined mode;
Downlink data retransmission unit 802 also is used for: after receiving the downlink data that the MTC server sends, according to the predefined mode downlink data that decompresses.
Shown in Fig. 8 b, in order to specify different policy control, thereby better realize data forwarding according to different MTC type of service, also comprise in this MTC equipment:
Determining unit 803, behind the upstream data that the MTC slave unit that is used for connecting receiving sends, determine the type of upstream data, and determine immediately upstream data to be sent to the MTC server or time-delay sends to the MTC server with upstream data according to the type of upstream data.
When this MTC equipment can provide indicating channel to carry out wireless connections, this MTC equipment also comprised:
The embodiment of the invention also provides a kind of MTC equipment, and this MTC equipment can be specially the MTC slave unit, shown in Fig. 9 a, comprising:
Transmitting element 901 is used for upstream data is sent to the MTC main equipment;
Receiving element 902 is used to receive the MTC main equipment behind the downlink data that receives the transmission of MTC server, is transmitted to the downlink data of this MTC slave unit.
When MTC equipment can carry out the wireless connections of indicating channel, shown in Fig. 9 b, also comprise in the MTC equipment:
When MTC equipment can be connected with other MTC slave unit, when carrying out data forwarding, Wireless Access Unit 903 also is used for:
Provide indicating channel to other MTC slave unit; After the access request that receives other MTC slave unit transmission, connect by indicating channel and the MTC slave unit that sends the request of access;
When connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and not reaching set point, detect the indicating channel that other MTC slave unit provides, and after detecting the indicating channel that other MTC slave unit provides, the MTC slave unit of selecting at least one that indicating channel is provided, and to this MTC slave unit transmission access request.
Transmitting element 901 also is used for: upstream data is sent to the nearest MTC slave unit of MTC main equipment that connected and corresponding;
Receive in the MTC equipment of upstream data and also comprise retransmission unit, be used for: the storage upstream data; And when being connected to the MTC main equipment, upstream data is sent to the MTC main equipment; Otherwise upstream data sent to satisfy condition of contact and the MTC slave unit nearest with corresponding MTC main equipment.
Receiving element 902 also is used for: when connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and do not reach set point, receive the downlink data that other MTC slave unit of being connected is transmitted;
When downlink data is when sending to the downlink data of self, to retain line data, otherwise, downlink data is transmitted to satisfies condition of contact and the MTC slave unit nearest with the target MTC slave unit of downlink data.
The embodiment of the invention provides a kind of MTC device management method, system and MTC equipment, each MTC battery limits is divided into MTC main equipment and MTC slave unit, by the MTC main equipment directly and the MTC server carry out data interaction, the data that the MTC slave unit will need to send are transmitted to the MTC server via the MTC main equipment, receive the data that MTC server that the MTC main equipment transmits returns again, wherein, the MTC slave unit connects the MTC main equipment according to the indicating channel that the MTC main equipment provides.Because the MTC server only need be safeguarded the MTC main equipment, safeguards each MTC slave unit by each MTC main equipment, thereby realize reducing the load that the MTC equipment control brings core net.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (35)
1. a MTC device management method is characterized in that, comprising:
The MTC main equipment receives the upstream data of the MTC slave unit transmission of being administered, and upstream data that receives and the upstream data that self need send are sent to the MTC server; And
The MTC main equipment receives the downlink data that the MTC server sends, and after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit.
2. the method for claim 1 is characterized in that, described upstream data that receives and the upstream data that self need send is sent to the MTC server, specifically comprises:
The MTC main equipment regularly sends to described MTC server with upstream data that receives and the upstream data that self need send; Perhaps
When the MTC main equipment reaches set point in the total amount of data of the upstream data that receives and the upstream data that self need send, the described upstream data that receives and the upstream data that self need send are sent to the MTC server.
3. method as claimed in claim 1 or 2 is characterized in that, before the upstream data that will receive and the upstream data that self need send send to the MTC server, also comprises:
The upstream data that compresses the described upstream data that receives and self need send according to predefined mode.
4. method as claimed in claim 3 is characterized in that, described MTC main equipment also comprises after receiving the downlink data of MTC server transmission:
The MTC main equipment is according to the predefined mode described downlink data that decompresses.
5. the method for claim 1, it is characterized in that, also comprise: behind the upstream data that the MTC slave unit of administering receiving sends, determine the type of described upstream data, and determine immediately described upstream data to be sent to described MTC server or time-delay sends to described MTC server with described upstream data according to the type of described upstream data.
6. the method for claim 1 is characterized in that, the upstream data that the MTC slave unit that described reception is administered sends comprises:
Directly receive the upstream data of the MTC slave unit transmission that is connected; And
Receive the MTC slave unit that does not connect and pass through the upstream data that other MTC slave unit is transmitted.
7. the method for claim 1 is characterized in that, described other downlink data is sent to corresponding M TC slave unit, specifically comprises:
The downlink data of the MTC slave unit that connects sending to directly sends to this MTC slave unit;
The downlink data that will send to the MTC slave unit that does not connect by other MTC slave unit is transmitted to the MTC slave unit that this does not connect.
8. the method for claim 1 is characterized in that, also comprises:
The MTC main equipment provides indicating channel to described MTC slave unit;
After the access request that receives described MTC slave unit transmission, connect by described indicating channel and described MTC slave unit.
9. method as claimed in claim 8 is characterized in that, also comprises:
When the MTC main equipment provides indicating channel to described MTC slave unit, carry the current load parameter of this MTC main equipment.
10. a MTC device management method is characterized in that, comprising:
The MTC slave unit sends to the MTC main equipment with upstream data;
Receive the MTC main equipment behind the downlink data that receives the transmission of MTC server, be transmitted to the downlink data of this MTC slave unit.
11. method as claimed in claim 10 is characterized in that, also comprises:
When the MTC slave unit is connected to the MTC main equipment at needs, detect the indicating channel that the MTC main equipment provides;
Behind the indicating channel that the MTC main equipment provides in detecting this DTN territory, select a MTC main equipment and send the request of access to this MTC main equipment.
12. method as claimed in claim 11 is characterized in that, MTC main equipment of described selection also sends the request of access to this MTC main equipment, specifically comprises:
Select the MTC main equipment of detected indication channel power maximum, and send the request of access to this MTC main equipment; Perhaps
Obtain the load parameter of the MTC main equipment that carries in the indicating channel, select the MTC main equipment of resource surplus maximum, and send the request of access to this MTC main equipment; Perhaps
According to the ordering of the load parameter of detected each MTC main equipment indication channel power ordering and each MTC main equipment, calculate weights by predefined weighted value, and select the MTC main equipment of weights minimum, and send the request of access to this MTC main equipment.
13. method as claimed in claim 11 is characterized in that, also comprises:
MTC slave unit with transfer capability provides indicating channel to other MTC slave unit; And
After the access request that receives other MTC slave unit transmission, the MTC slave unit that inserts request by described indicating channel and described transmission connects;
When the MTC slave unit is connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and is not reaching set point, detect the indicating channel that other MTC slave unit provides, and after detecting the indicating channel that other MTC slave unit provides, the MTC slave unit of selecting at least one that indicating channel is provided, and to this MTC slave unit transmission access request.
14. method as claimed in claim 13, it is characterized in that, when the MTC slave unit was connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and do not reach set point, described MTC slave unit sent to the MTC main equipment with upstream data, specifically comprises:
Upstream data is sent to the nearest MTC slave unit of MTC main equipment that connected and corresponding;
The MTC slave unit that receives described upstream data is transmitted to corresponding M TC main equipment with described upstream data.
15. method as claimed in claim 14 is characterized in that, at least one provides the MTC slave unit of indicating channel described selection, and sends the request of access to this MTC slave unit, is specially:
Selection provides in the MTC slave unit of indicating channel, satisfy MTC slave unit that condition of contact and this provide indicating channel and corresponding MTC main equipment distance than self and the corresponding little MTC slave unit of MTC main equipment distance, and send access to this MTC slave unit and ask.
16. method as claimed in claim 14 is characterized in that, the described MTC slave unit that receives described upstream data is transmitted to corresponding M TC main equipment with described upstream data, specifically comprises:
The MTC slave unit that receives described upstream data is stored described upstream data; And
When being connected to the MTC main equipment, described upstream data is sent to described MTC main equipment; Otherwise
Described upstream data sent to satisfy condition of contact and the MTC slave unit nearest with corresponding MTC main equipment.
17. method as claimed in claim 13, it is characterized in that, when the MTC slave unit is connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and is not reaching set point, described reception MTC main equipment is transmitted to the downlink data of this MTC slave unit, specifically comprises:
Receive the downlink data of other MTC slave unit forwarding that is connected;
When described downlink data is when sending to the downlink data of self, to keep described downlink data, otherwise, described downlink data is transmitted to satisfies condition of contact and the MTC slave unit nearest with the target MTC slave unit of described downlink data.
18. a MTC equipment management system is characterized in that, comprising: MTC main equipment, MTC slave unit and connect the MTC server of MTC main equipment by network side, wherein:
The MTC main equipment is used to receive the upstream data that the MTC slave unit of being administered sends, and upstream data that receives and the upstream data that self need send are sent to the MTC server; And receive the downlink data that the MTC server sends, after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit;
The MTC slave unit is used for upstream data is sent to corresponding MTC main equipment, and receives the downlink data that described MTC main equipment sends.
19. system as claimed in claim 18 is characterized in that, described MTC main equipment also is used for:
Before the upstream data that will receive and the upstream data that self need send send to the MTC server, the upstream data that compresses the described upstream data that receives and self need send according to predefined mode;
After receiving the downlink data that the MTC server sends, according to the predefined mode described downlink data that decompresses.
20. system as claimed in claim 18 is characterized in that, described MTC main equipment also is used for:
Behind the upstream data that the MTC slave unit of administering receiving sends, determine the type of described upstream data, and determine immediately described upstream data to be sent to described MTC server or time-delay sends to described MTC server with described upstream data according to the type of described upstream data.
21. system as claimed in claim 18 is characterized in that, described MTC main equipment also is used for, and provides indicating channel to described MTC slave unit; And after the access request that receives described MTC slave unit transmission, connect by described indicating channel and described MTC slave unit;
Described MTC slave unit also is used for, and when needs are connected to the MTC main equipment, detects the indicating channel that the MTC main equipment provides; And behind the indicating channel that the MTC main equipment provides in detecting this DTN territory, select a MTC main equipment and send the request of access to this MTC main equipment.
22. system as claimed in claim 18 is characterized in that, described MTC slave unit also is used for, and provides indicating channel to other MTC slave unit; After the access request that receives other MTC slave unit transmission, the MTC slave unit that inserts request by described indicating channel and described transmission connects; And
When connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and not reaching set point, detect the indicating channel that other MTC slave unit provides, and after detecting the indicating channel that other MTC slave unit provides, the MTC slave unit of selecting at least one that indicating channel is provided, and to this MTC slave unit transmission access request.
23. the system as claimed in claim 22, it is characterized in that, described MTC slave unit also is used for, when connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and do not reach set point, upstream data is sent to the nearest MTC slave unit of MTC main equipment that connected and corresponding; The MTC slave unit that receives described upstream data is transmitted to corresponding M TC main equipment with described upstream data behind the upstream data that receives connected MTC slave unit transmission.
24. system as claimed in claim 23 is characterized in that, described MTC slave unit also is used for, and the MTC slave unit that receives described upstream data is stored described upstream data; And when being connected to the MTC main equipment, described upstream data is sent to described MTC main equipment; Otherwise described upstream data sent to satisfy condition of contact and the MTC slave unit nearest with corresponding MTC main equipment.
25. the system as claimed in claim 22, it is characterized in that, described MTC slave unit also is used for, and when connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and do not reach set point, receives the downlink data that other MTC slave unit of being connected is transmitted; When described downlink data is when sending to the downlink data of self, to keep described downlink data, otherwise, described downlink data is transmitted to satisfies condition of contact and the MTC slave unit nearest with the target MTC slave unit of described downlink data.
26. a MTC equipment is characterized in that, comprising:
The upstream data retransmission unit is used to receive the upstream data that the MTC slave unit of being administered sends, and upstream data that receives and the upstream data that self need send are sent to the MTC server;
The downlink data retransmission unit is used to receive the downlink data that the MTC server sends, and after reservation sends to the downlink data of self, other downlink data is sent to corresponding M TC slave unit.
27. equipment as claimed in claim 26 is characterized in that, described upstream data retransmission unit specifically is used for: receive the upstream data of the MTC slave unit transmission that is connected, and
Regularly upstream data that receives and the upstream data that self need send are sent to described MTC server; Perhaps
When the total amount of data of the upstream data that receives and the upstream data that self need send reaches set point, the described upstream data that receives and the upstream data that self need send are sent to the MTC server.
28. as claim 26 or 27 described equipment, it is characterized in that, described upstream data retransmission unit also is used for: before the upstream data that will receive and the upstream data that self need send send to the MTC server, and the upstream data that compresses the described upstream data that receives and self need send according to predefined mode;
Described downlink data retransmission unit also is used for: after receiving the downlink data that the MTC server sends, according to the predefined mode described downlink data that decompresses.
29. equipment as claimed in claim 26 is characterized in that, also comprises:
Determining unit, behind the upstream data that the MTC slave unit that is used for connecting receiving sends, determine the type of described upstream data, and determine immediately described upstream data to be sent to described MTC server or time-delay sends to described MTC server with described upstream data according to the type of described upstream data.
30. equipment as claimed in claim 26 is characterized in that, also comprises:
The wireless connections unit is used for providing indicating channel to described MTC slave unit; And after the access request that receives described MTC slave unit transmission, connect by described indicating channel and described MTC slave unit.
31. a MTC equipment is characterized in that, comprising:
Transmitting element is used for upstream data is sent to the MTC main equipment;
Receiving element is used to receive the MTC main equipment behind the downlink data that receives the transmission of MTC server, is transmitted to the downlink data of this MTC slave unit.
32. equipment as claimed in claim 31 is characterized in that, also comprises:
Wireless Access Unit is used for when needs are connected to the MTC main equipment, detects the indicating channel that the MTC main equipment provides; And behind the indicating channel that the MTC main equipment provides in detecting this DTN territory, select a MTC main equipment and send the request of access to this MTC main equipment.
33. equipment as claimed in claim 32 is characterized in that, described Wireless Access Unit also is used for:
Provide indicating channel to other MTC slave unit; After the access request that receives other MTC slave unit transmission, the MTC slave unit that inserts request by described indicating channel and described transmission connects;
When connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and not reaching set point, detect the indicating channel that other MTC slave unit provides, and after detecting the indicating channel that other MTC slave unit provides, the MTC slave unit of selecting at least one that indicating channel is provided, and to this MTC slave unit transmission access request.
34. equipment as claimed in claim 33 is characterized in that, described transmitting element also is used for: upstream data is sent to the nearest MTC slave unit of MTC main equipment that connected and corresponding;
The described MTC equipment that receives described upstream data also comprises retransmission unit, is used for: store described upstream data; And when being connected to the MTC main equipment, described upstream data is sent to described MTC main equipment; Otherwise described upstream data sent to satisfy condition of contact and the MTC slave unit nearest with corresponding MTC main equipment.
35. equipment as claimed in claim 33, it is characterized in that, described receiving element also is used for: when connecting the indication channel power intensity that sends less than MTC main equipment or the MTC main equipment that receives and do not reach set point, receive the downlink data that other MTC slave unit of being connected is transmitted;
When described downlink data is when sending to the downlink data of self, to keep described downlink data, otherwise, described downlink data is transmitted to satisfies condition of contact and the MTC slave unit nearest with the target MTC slave unit of described downlink data.
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| CN2011101218132A CN102164425A (en) | 2011-05-11 | 2011-05-11 | MTC (machine type communication)equipment management method, system and MTC equipment |
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| CN2011101218132A CN102164425A (en) | 2011-05-11 | 2011-05-11 | MTC (machine type communication)equipment management method, system and MTC equipment |
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Application publication date: 20110824 |