CN103517271A - Data transmission method and device and terminal - Google Patents
Data transmission method and device and terminal Download PDFInfo
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- CN103517271A CN103517271A CN201210223615.1A CN201210223615A CN103517271A CN 103517271 A CN103517271 A CN 103517271A CN 201210223615 A CN201210223615 A CN 201210223615A CN 103517271 A CN103517271 A CN 103517271A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
Abstract
The invention discloses a data transmission method. The data transmission method includes the steps that after a network side receives an idle state data transmission request sent by a terminal, the network side determines a time-frequency resource for sending data in the idle state for the terminal according to the data to be sent, and the terminal is informed; the network side receives the data which are sent on the determined time-frequency resource by the terminal and are in the idle state. Meanwhile, the invention further discloses a data transmission device and the terminal for realizing the method. The method for sending data by the terminal in the idle state is provided for overcoming the defects that MTC equipment is generally fixedly arranged, the data transmission size is small and sending intervals are fixed, signaling interaction with the network side is needless, the network side does not need to indicate and allocate resources through a control channel either, and therefore the jamming problem caused by M2M to a network can be better solved.
Description
Technical field
Data transmission technology while the present invention relates to terminal Idle state, relates in particular to a kind of data transmission method based on machine type communication (MTC, Machine-Type Communication) and device, terminal.
Background technology
Machine type communication (MTC, Machine-Type Communication) refer to machine and machine (M2M, Machine to Machine) communication between, Fig. 1 is MTC communication scenes schematic diagram, as shown in Figure 1, a large amount of MTC equipment (MTC Device) communicates by operation domain (Operator Domain) and MTC server (MTC Server)/MTC user (MTC User), and the communication here mainly refers to that MTC equipment is to MTC server/MTC reporting of user measurement data etc.M2M is a kind of communication mode that does not need people's participation.At present just at third generation partner program (3GPP, 3rd Generation Partnership Project) in standard, just started the research item discussion of being correlated with, studying the optimization that whether is necessary the type communication to carry out network facet, when particularly magnanimity MTC equipment is applied in real network in the future, whether can the communication between person to person (H2H, Human to Human) be impacted.
Core net standard 3GPP 22.368 has defined 16 kinds of key characters in MTC communication at present, comprises the features such as Hypomobility, time control type, time delay tolerance type, online small data transmission type.For different application, as the class application of checking meter, Long-distance Control etc., may have an above-mentioned feature or the combination of several features.
Along with the fast development of M2M business, the equipment scale of M2M will be blowout formula and increase, and in same community, number of devices may reach tens thousand of.To M2M business, one of them important service is terminal image data and reports, the reporting of current demonstration registrations such as intelligent electric meter, water meter, gas meter.The feature that such business has is: terminal is fixed, and data volume is little, sends interval and fixes, simultaneously access.This type of business can be brought the problems such as access is congested, signaling consumption is excessive.Some current optimization means mainly contain:
1. for random access congestion problems, will access and be distributed in a period of time at random, and limit to reduce congested by access grade;
2. for signaling consumption problems of too, current solution is mainly to reduce to connect the signaling process of setting up.
But, when MTC equipment is wanted reported data, must first by Idle state, proceed to connected state, have a series of connection building process therebetween, although can simplify this connection building process, but still need some relevant basic procedures such as random access.Meanwhile, it is the corresponding resource of MTC devices allocation that base station also needs by control channel, thereby consumes a large amount of control channel resources, causes control channel congested.These prioritization schemes only can be alleviated the M2M application initial stage to a certain extent, MTC equipment scale is not very large scene, once but after the change greatly of M2M scale, signaling process expense and resource distribution etc. is brought interface-free resources consumption, particularly access the congestion problems of channel and control channel, be difficult to solve.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of data transmission method and device, terminal, can make MTC equipment under Idle state to network side reported data, needn't set up Radio Resource with network side and control (RRC, Radio Resource Control) connect, thereby saved a large amount of Internet resources.
For achieving the above object, technical scheme of the present invention is achieved in that
, comprising:
Network side receives after the Idle state data transfer request of terminal transmission, is that described terminal is determined the running time-frequency resource that sends data under Idle state, and notifies described terminal according to data to be sent;
Described network side receives the data that the described terminal in Idle state sends on determined running time-frequency resource.
Preferably, described method also comprises:
Described network side is determined the running time-frequency resource that downlink data sends, and notifies described terminal;
Described network side sends downlink data to the described terminal in Idle state on the running time-frequency resource of determined downlink data.
Preferably, in described Idle state data transfer request, carry following information one of at least:
The data package size that described terminal is to be sent;
The direction of data to be transmitted;
Transfer of data interval.
Preferably, described is that described terminal is determined the running time-frequency resource that Idle state data send according to data to be sent, for:
Described network side is that described terminal is determined one of following information sending under Idle state data according to the data to be sent of described terminal:
Modulation system and/or size for the Radio Resource of described terminal distribution;
The interval that Radio Resource reuses;
The number of times that Radio Resource is used;
Key and/or cryptographic algorithm for Idle state transfer of data.
Preferably, described method also comprises:
Described terminal is when Idle state, and the data that on the running time-frequency resource distributing at described network side, need sent are encrypted and send by the cryptographic algorithm of institute's buffer memory;
Described network side receives the data that described terminal sends on corresponding running time-frequency resource, with the key of buffer memory, received data is decrypted.
Preferably, described method also comprises:
Described network side determines that the number of times that transmits data under described terminal Idle state reaches described network side set point number, or while not transmitting data over set point number continuously on the definite transmission data running time-frequency resource of described network side, discharge the running time-frequency resource of transmission data.
Preferably, described terminal is setting up with described network side the Idle state data transfer request sending under the state that radio resource control RRC is connected.
Preferably, described method also comprises:
The key finally using with described terminal under the state that described network side connects RRC and/or cryptographic algorithm are as the described key for Idle state transfer of data and/or cryptographic algorithm.
Preferably, described method also comprises:
Key and/or cryptographic algorithm while determining Idle state for described terminal under the state that described network side connects at RRC, and notify described terminal;
Described terminal receives described new key and/or cryptographic algorithm storage.
Preferably, described network side is base station.
, comprising:
The key finally using with described terminal under the state that described network side connects RRC and/or key and/or the cryptographic algorithm of cryptographic algorithm transfer of data under described terminal Idle state.
, comprising:
Key and/or cryptographic algorithm while determining Idle state for described terminal under the state that described network side connects at RRC, and notify described terminal;
Described terminal receives described new key and/or cryptographic algorithm storage.
, comprise receiving element, determining unit and notification unit, wherein:
Receiving element, the Idle state data transfer request sending for receiving terminal;
Determining unit, for being that described terminal is determined the running time-frequency resource that sends data under Idle state according to data to be sent;
Notification unit, for notifying described terminal by described running time-frequency resource information;
Described receiving element also for, receive the data that the described terminal in Idle state sends on determined running time-frequency resource.
Preferably, described device also comprises: transmitting element;
Determining unit also for, determine the running time-frequency resource that downlink data sends, and notify described terminal by described notification unit;
Described transmitting element is used for, and on the running time-frequency resource of determined downlink data, to the described terminal in Idle state, sends downlink data.
Preferably, in described Idle state data transfer request, carry following information one of at least:
The data package size that described terminal is to be sent;
The direction of data to be transmitted;
Transfer of data interval.
Preferably, described determining unit also for, according to the data to be sent of described terminal, be that described terminal is determined one of following information sending under Idle state data:
Modulation system and/or size for the Radio Resource of described terminal distribution;
The interval that Radio Resource reuses;
The number of times that Radio Resource is used;
Key and/or cryptographic algorithm for Idle state transfer of data.
Preferably, described device also comprises: releasing unit;
Described determining unit also for, determine that the number of times that transmits data under described terminal Idle state reaches described network side set point number, or while not transmitting data over set point number continuously on the definite transmission data running time-frequency resource of described network side, trigger described releasing unit;
Described releasing unit, for discharging the running time-frequency resource of transmission data.
Preferably, described determining unit also for, using under the state that RRC connects with the last key using of described terminal and/or cryptographic algorithm as the described key for Idle state transfer of data and/or cryptographic algorithm.
Preferably, described determining unit also for, key and/or cryptographic algorithm while determining Idle state for described terminal under the state that RRC connects, and notify described terminal by described notification unit.
, comprise aforesaid data transmission device.
, comprise transmitting element and receiving element, wherein:
Transmitting element, for sending Idle state data transfer request to network side;
Receiving element, for receiving the running time-frequency resource that sends data under the definite Idle state of described network side;
Described transmitting element also for, in described terminal, during in Idle state, on determined running time-frequency resource, send data.
Preferably, in described Idle state data transfer request, carry following information one of at least:
The data package size that described terminal is to be sent;
The direction of data to be transmitted;
Transfer of data interval.
Preferably, described terminal also comprises: memory cell, cryptographic algorithm and/or the key for storing transfer of data, used;
Described transmitting element also for, the data that on the running time-frequency resource distributing at described network side, need sent are encrypted and send by stored cryptographic algorithm.
Preferably, described terminal also comprises: determining unit, for using under the state that RRC connects with the last key using of described network side and/or cryptographic algorithm as the described key for Idle state transfer of data and/or cryptographic algorithm.
Preferably, when described receiving element receives key that Idle state transfer of data that network side sends uses and/or cryptographic algorithm when described terminal is under RRC connection status, notify described memory cell to store.
In the present invention, network side receives after the Idle state data transfer request of terminal transmission, is that described terminal is determined the running time-frequency resource that sends data under Idle state, and notifies described terminal according to data to be sent; Described network side receives the data that the described terminal in Idle state sends on determined running time-frequency resource.The present invention is directed to that MTC equipment is generally fixedly installed, transmitted data amount is little, send the fixing feature in interval, propose a kind of under Idle state terminal send the method for data, do not need to carry out Signalling exchange with network side, also without network side, by control channel, indicate Resources allocation, can solve better the congestion problems that M2M causes network.
Accompanying drawing explanation
Fig. 1 is MTC communication scenes schematic diagram;
Fig. 2 is the flow chart of the data transmission method of the embodiment of the present invention;
Fig. 3 is the composition structural representation of the data transmission device of the embodiment of the present invention;
Fig. 4 is the composition structural representation of the terminal of the embodiment of the present invention.
Embodiment
Basic thought of the present invention is: for MTC equipment be generally fixedly installed, transmitted data amount is little, send the fixing feature in interval, by MTC equipment, under Idle state, to network side, send data, MTC equipment is without carrying out Signalling exchange with network side, also without network side, by control channel, indicate Resources allocation, that can more avoid that M2M causes network is congested.
For making the object, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 2 is the flow chart of the data transmission method of the embodiment of the present invention, and as shown in Figure 2, this sample data transmission method comprises the following steps:
Step 201, MTC equipment access, after network, sends Idle state data transfer request to network side.
The business of asking according to MTC equipment is set up corresponding Data Radio Bearer (DRB, Data Radio Bear).Meanwhile, MTC equipment is according to the feature of own service, such as: the small data packets of the regular transmission of uplink/downlink, MTC equipment is selected to open data-transformation facility under Idle state by signaling request base station.In signaling, can comprise following content:
1. data package size;
2. data direction;
3. data send interval pattern.
MTC equipment is all generally the sensing equipment as data monitoring, as long-range water meter, temperature measuring apparatus etc., the data volume that these monitoring equipments need report is little, and has the feature that periodically reports, as long-range water meter, may be monthly or every some months report water meter registration one time.The present invention, just for the transfer of data feature of this MTC equipment, carries out transfer of data while having proposed MTC device free state, thereby avoid MTC equipment to carry out giving the correct time in data, sets up that RRC is connected and the network congestion that causes with network side.
Step 202, network side is received after the Idle state data transfer request of MTC equipment, is that MTC equipment is determined the running time-frequency resource that sends data under Idle state, and notifies MTC equipment according to data to be sent.
In the present invention, network side mainly refers to base station.Macro base station in the passable 2G network in the base station here, or be Home eNodeB, also base station eNodeB of passable evolution etc.
Base station is according to the data package size/transmission interval reporting, and the channel condition information of MTC equipment (CSI, Channel State Information) feedback feedback, can determine following content:
1. be modulation system and/or the size of the Radio Resource of MTC devices allocation;
2. the interval that Radio Resource reuses;
3. the number of times that Radio Resource is used;
4. for key and/or the cryptographic algorithm of Idle state transfer of data.
Above information is carried in base station in " under Idle state, the data-transformation facility starts " signaling issuing to MTC equipment.
For the fail safe of the data of eating dishes without rice or wine between assurance MTC equipment and base station, need to consider data encryption.A kind of cipher mode is base station and the key that use and/or the cryptographic algorithm of MTC equipment when Idle state is still used RRC Connection Release.
Another kind of mode is: at MTC equipment in setting up under RRC connection status with network side, from mobile management net element (MME, Mobility Management Entity) obtain cryptographic algorithm and/or the key that under Idle state, transfer of data is used, and notify MTC equipment, cryptographic algorithm and/or key that under MTC device storage Idle state, transfer of data is used, to sending data encryption, received data is deciphered when transmitting data under Idle state.If network side sends cryptographic algorithm and/or key in setting up RRC connection status with network side to MTC equipment at MTC equipment, base station can ask MTC equipment for key and/or the cryptographic algorithm of Idle state transfer of data to MME, immediately, notify the equipment to MTC, now MTC equipment is in setting up RRC connection status with network side; After the key that transfer of data when MTC equipment receives Idle state is used and/or cryptographic algorithm, store, under Idle state, when sending data, base station side use the cryptographic algorithm of this storage to be encrypted, while receiving the enciphered data of base station side under Idle state, use the key of storage to be decrypted.
Step 203, MTC equipment receives under Idle state after data-transformation facility initiation message, the relevant information of wherein carrying (for the modulation system of the Radio Resource of MTC devices allocation and/or size, interval that Radio Resource reuses, number of times that Radio Resource is used, for the key of Idle state transfer of data and/or cryptographic algorithm etc.) is carried out to buffer memory, be convenient to Idle state data sending/receiving and use.
Step 204, network side discharges RRC and connects, and MTC equipment enters Idle state.
When base station and MTC equipment release connection, in order to guarantee the follow-up fail safe sending in Idle state data, if MTC equipment is notified by the mode of signaling at MTC equipment during in RRC connected state in the cryptographic algorithm that Idle state is used and/or key Shi You base station, this cryptographic algorithm for data encryption/decryption and/or key are safeguarded and used in MTC equipment and base station at Idle state; Otherwise, key, the cryptographic algorithm when base station and MTC device storage RRC connected state, used.In the present invention, that is to say, when cryptographic algorithm that Idle state uses and/or key have initiatively been notified to MTC equipment in base station, MTC equipment is used cryptographic algorithm and/or the key of this notice when Idle state carries out transfer of data, if do not receive cryptographic algorithm and/or key that the Idle state of base station side is used, while carrying out transfer of data under Idle state, continue to use in RRC connection procedure between MTC equipment and base station the last cryptographic algorithm of using and/or key is encrypted and/or decrypt operation.
Step 205, MTC equipment carries out transfer of data at Idle state.
MTC equipment has uplink service to have data to report, and MTC equipment is positioned at Idle state, on the running time-frequency resource of each base station assigns, need are sent to data and be encrypted and send by the cryptographic algorithm of buffer memory, base station is carved at this moment the key corresponding with this MTC equipment that receives upstream data and store by self and is decrypted.For descending ，Ze Shi base station, in corresponding down time-frequency resource, send downlink data, MTC equipment is corresponding to be received.
Step 206, network side determines that the number of times that transmits data under MTC device free state reaches set point number, or when surpassing continuously set point number not transmitting data on the definite transmission data running time-frequency resource of described network side, discharges the running time-frequency resource of transmission data.
If uplink/downlink transmission times has reached base station sets number of times, if or constantly do not have data to send in the resource of distributing several times continuously, the resource sending for up/down row Idle state data is released, and MTC equipment must be asked Idle state data transmission resources by Idle state data distributing program again.
The present invention has also recorded a kind of data transmission method, comprising:
The key finally using with described terminal under the state that described network side connects RRC and/or key and/or the cryptographic algorithm of cryptographic algorithm transfer of data under described terminal Idle state.
Here, network side is base station espespecially, and described terminal is MTC equipment espespecially.
The present invention has also recorded a kind of data transmission method, comprising:
Key and/or cryptographic algorithm while determining Idle state for described terminal under the state that described network side connects at RRC, and notify described terminal;
Described terminal receives described new key and/or cryptographic algorithm storage.
Here, network side is base station espespecially, and described terminal is MTC equipment espespecially.
Fig. 3 is the composition structural representation of the data transmission device of the embodiment of the present invention, and as shown in Figure 3, data transmission device of the present invention comprises receiving element 30, determining unit 31 and notification unit 32, wherein:
Receiving element 30, the Idle state data transfer request sending for receiving terminal;
Determining unit 31, for being that described terminal is determined the running time-frequency resource that sends data under Idle state according to data to be sent;
Notification unit 32, for notifying described terminal by described running time-frequency resource information;
Described receiving element 30 also for, receive the data that the described terminal in Idle state sends on determined running time-frequency resource.
On the basis of the data transmission device shown in Fig. 3, data transmission device of the present invention also comprises: transmitting element (not shown in Fig. 3);
Determining unit 31 also for, determine the running time-frequency resource that downlink data sends, and notify described terminal by described notification unit;
Described transmitting element is used for, and on the running time-frequency resource of determined downlink data, to the described terminal in Idle state, sends downlink data.
It will be appreciated by those skilled in the art that above-mentioned transmitting element is to arrange for optimizing the technical scheme of data transmission device of the present invention, is not to realize the necessary technical characterictic of basic technical scheme of the present invention.
In described Idle state data transfer request, carry following information one of at least:
The data package size that described terminal is to be sent;
The direction of data to be transmitted;
Transfer of data interval.
Described determining unit 31 also for, according to the data to be sent of described terminal, be that described terminal is determined one of following information sending under Idle state data:
Modulation system and/or size for the Radio Resource of described terminal distribution;
The interval that Radio Resource reuses;
The number of times that Radio Resource is used;
Key and/or cryptographic algorithm for Idle state transfer of data.
On the basis of the data transmission device shown in Fig. 3, data transmission device of the present invention also comprises: releasing unit (not shown in Fig. 3);
Described determining unit also for, determine that the number of times that transmits data under described terminal Idle state reaches described network side set point number, or while not transmitting data over set point number continuously on the definite transmission data running time-frequency resource of described network side, trigger described releasing unit;
Described releasing unit, for discharging the running time-frequency resource of transmission data.
It will be appreciated by those skilled in the art that above-mentioned releasing unit is to arrange for optimizing the technical scheme of data transmission device of the present invention, is not to realize the necessary technical characterictic of basic technical scheme of the present invention.
Described determining unit 31 also for, using under the state that RRC connects with the last key using of described terminal and/or cryptographic algorithm as the described key for Idle state transfer of data and/or cryptographic algorithm.
In addition, described determining unit 31 also for, key and/or cryptographic algorithm while determining Idle state for described terminal under the state that RRC connects, and notify described terminal by described notification unit.
The practical function that it will be appreciated by those skilled in the art that the each processing unit in the data transmission device shown in Fig. 3 can be with reference to the associated description of aforementioned data transmission method and is understood.The function that it will be appreciated by those skilled in the art that each processing unit in the data transmission device shown in Fig. 3 can realize by the program running on processor, also can realize by concrete logical circuit.
Here, described terminal MTC equipment espespecially.
The present invention has also recorded a kind of base station, comprises aforesaid data transmission device.
Fig. 4 is the composition structural representation of the terminal of the embodiment of the present invention, and as shown in Figure 4, terminal of the present invention comprises transmitting element 40 and receiving element 41, wherein:
Transmitting element 40, for sending Idle state data transfer request to network side;
Receiving element 41, for receiving the running time-frequency resource that sends data under the definite Idle state of described network side;
Described transmitting element 41 also for, in described terminal, during in Idle state, on determined running time-frequency resource, send data.
Wherein, in described Idle state data transfer request, carry following information one of at least:
The data package size that described terminal is to be sent;
The direction of data to be transmitted;
Transfer of data interval.
On the basis of the terminal shown in Fig. 4, terminal of the present invention also comprises: memory cell (not shown in Fig. 4), cryptographic algorithm and/or the key for storing transfer of data, used;
Described transmitting element also for, the data that on the running time-frequency resource distributing at described network side, need sent are encrypted and send by stored cryptographic algorithm.
When described receiving element 41 receives key that Idle state transfer of data that network side sends uses and/or cryptographic algorithm when described terminal is under RRC connection status, notify described memory cell to store.
Terminal described in the present invention, espespecially MTC equipment.
Wherein, when described receiving element 41 receives new key and/or cryptographic algorithm when described terminal Idle state, described determining unit is encrypted and/or decrypt operation transmission data with described new key and/or cryptographic algorithm.
The practical function that it will be appreciated by those skilled in the art that the each processing unit in the terminal shown in Fig. 4 can be with reference to the associated description of aforementioned data transmission method and device and is understood.The function that it will be appreciated by those skilled in the art that each processing unit in the terminal shown in Fig. 4 can realize by the program running on processor, also can realize by concrete logical circuit.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (25)
1. a data transmission method, is characterized in that, described method comprises:
Network side receives after the Idle state data transfer request of terminal transmission, is that described terminal is determined the running time-frequency resource that sends data under Idle state, and notifies described terminal according to data to be sent;
Described network side receives the data that the described terminal in Idle state sends on determined running time-frequency resource.
2. method according to claim 1, is characterized in that, described method also comprises:
Described network side is determined the running time-frequency resource that downlink data sends, and notifies described terminal;
Described network side sends downlink data to the described terminal in Idle state on the running time-frequency resource of determined downlink data.
3. method according to claim 1 and 2, is characterized in that, in described Idle state data transfer request, carry following information one of at least:
The data package size that described terminal is to be sent;
The direction of data to be transmitted;
Transfer of data interval.
4. method according to claim 3, is characterized in that, described is that described terminal is determined the running time-frequency resource that Idle state data send according to data to be sent, for:
Described network side is that described terminal is determined one of following information sending under Idle state data according to the data to be sent of described terminal:
Modulation system and/or size for the Radio Resource of described terminal distribution;
The interval that Radio Resource reuses;
The number of times that Radio Resource is used;
Key and/or cryptographic algorithm for Idle state transfer of data.
5. method according to claim 4, is characterized in that, described method also comprises:
Described terminal is when Idle state, and the data that on the running time-frequency resource distributing at described network side, need sent are encrypted and send by the cryptographic algorithm of institute's buffer memory;
Described network side receives the data that described terminal sends on corresponding running time-frequency resource, with the key of buffer memory, received data is decrypted.
6. method according to claim 4, is characterized in that, described method also comprises:
Described network side determines that the number of times that transmits data under described terminal Idle state reaches described network side set point number, or while not transmitting data over set point number continuously on the definite transmission data running time-frequency resource of described network side, discharge the running time-frequency resource of transmission data.
7. method according to claim 4, is characterized in that, described terminal is setting up with described network side the Idle state data transfer request sending under the state that radio resource control RRC is connected.
8. method according to claim 4, is characterized in that, described method also comprises:
The key finally using with described terminal under the state that described network side connects RRC and/or cryptographic algorithm are as the described key for Idle state transfer of data and/or cryptographic algorithm.
9. method according to claim 4, is characterized in that, described method also comprises:
Key and/or cryptographic algorithm while determining Idle state for described terminal under the state that described network side connects at RRC, and notify described terminal;
Described terminal receives described new key and/or cryptographic algorithm storage.
10. according to the method described in claim 1 to 9 any one, it is characterized in that, described network side is base station.
11. 1 kinds of data transmission methods, is characterized in that, described method comprises:
The key finally using with described terminal under the state that described network side connects RRC and/or key and/or the cryptographic algorithm of cryptographic algorithm transfer of data under described terminal Idle state.
12. 1 kinds of data transmission methods, is characterized in that, described method comprises:
Key and/or cryptographic algorithm while determining Idle state for described terminal under the state that described network side connects at RRC, and notify described terminal;
Described terminal receives described new key and/or cryptographic algorithm storage.
13. 1 kinds of data transmission devices, is characterized in that, described device comprises receiving element, determining unit and notification unit, wherein:
Receiving element, the Idle state data transfer request sending for receiving terminal;
Determining unit, for being that described terminal is determined the running time-frequency resource that sends data under Idle state according to data to be sent;
Notification unit, for notifying described terminal by described running time-frequency resource information;
Described receiving element also for, receive the data that the described terminal in Idle state sends on determined running time-frequency resource.
14. devices according to claim 13, is characterized in that, described device also comprises: transmitting element;
Determining unit also for, determine the running time-frequency resource that downlink data sends, and notify described terminal by described notification unit;
Described transmitting element is used for, and on the running time-frequency resource of determined downlink data, to the described terminal in Idle state, sends downlink data.
15. according to the device described in claim 13 or 14, it is characterized in that, in described Idle state data transfer request, carry following information one of at least:
The data package size that described terminal is to be sent;
The direction of data to be transmitted;
Transfer of data interval.
16. devices according to claim 15, is characterized in that, described determining unit also for, according to the data to be sent of described terminal, be that described terminal is determined one of following information sending under Idle state data:
Modulation system and/or size for the Radio Resource of described terminal distribution;
The interval that Radio Resource reuses;
The number of times that Radio Resource is used;
Key and/or cryptographic algorithm for Idle state transfer of data.
17. devices according to claim 16, is characterized in that, described device also comprises: releasing unit;
Described determining unit also for, determine that the number of times that transmits data under described terminal Idle state reaches described network side set point number, or while not transmitting data over set point number continuously on the definite transmission data running time-frequency resource of described network side, trigger described releasing unit;
Described releasing unit, for discharging the running time-frequency resource of transmission data.
18. devices according to claim 16, is characterized in that, described determining unit also for, using under the state that RRC connects with the last key using of described terminal and/or cryptographic algorithm as the described key for Idle state transfer of data and/or cryptographic algorithm.
19. devices according to claim 16, is characterized in that, described determining unit also for, key and/or cryptographic algorithm while determining Idle state for described terminal under the state that RRC connects, and notify described terminal by described notification unit.
20.Yi Zhong base station, is characterized in that, comprises the data transmission device described in claim 13 to 19 any one.
21. 1 kinds of terminals, is characterized in that, described terminal comprises transmitting element and receiving element, wherein:
Transmitting element, for sending Idle state data transfer request to network side;
Receiving element, for receiving the running time-frequency resource that sends data under the definite Idle state of described network side;
Described transmitting element also for, in described terminal, during in Idle state, on determined running time-frequency resource, send data.
22. terminals according to claim 21, is characterized in that, in described Idle state data transfer request, carry following information one of at least:
The data package size that described terminal is to be sent;
The direction of data to be transmitted;
Transfer of data interval.
23. terminals according to claim 22, is characterized in that, described terminal also comprises: memory cell, cryptographic algorithm and/or the key for storing transfer of data, used;
Described transmitting element also for, the data that on the running time-frequency resource distributing at described network side, need sent are encrypted and send by stored cryptographic algorithm.
24. terminals according to claim 22, it is characterized in that, described terminal also comprises: determining unit, for using under the state that RRC connects with the last key using of described network side and/or cryptographic algorithm as the described key for Idle state transfer of data and/or cryptographic algorithm.
25. terminals according to claim 24, it is characterized in that, when described receiving element receives key that Idle state transfer of data that network side sends uses and/or cryptographic algorithm when described terminal is under RRC connection status, notify described memory cell to store.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210223615.1A CN103517271A (en) | 2012-06-28 | 2012-06-28 | Data transmission method and device and terminal |
| PCT/CN2013/077341 WO2014000583A1 (en) | 2012-06-28 | 2013-06-17 | Data transmission method and device, and terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210223615.1A CN103517271A (en) | 2012-06-28 | 2012-06-28 | Data transmission method and device and terminal |
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