CN105578479A - Closing method of LTE cell, base station and terminal thereof - Google Patents
Closing method of LTE cell, base station and terminal thereof Download PDFInfo
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- CN105578479A CN105578479A CN201410546581.9A CN201410546581A CN105578479A CN 105578479 A CN105578479 A CN 105578479A CN 201410546581 A CN201410546581 A CN 201410546581A CN 105578479 A CN105578479 A CN 105578479A
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Abstract
The invention discloses a closing method of an LTE cell, a base station and a terminal thereof. The method comprises the following steps that the LTE cell of frequency spectrum sharing sends information bearing an interference indication to the terminal; and the LTE cell receives the interference indication sent by the terminal according to the information bearing the interference indication during working and stops providing a data transmission service for the terminal according to the interference indication, wherein the interference indication is that the terminal measures a state indication of the LTE cell sent to the LTE cell when other communication systems on a frequency spectrum resource where the LTE cell is located begin to work and simultaneously the LTE cell sends the state indication of the LTE cell to the terminal, and the interference indication is used for indicating whether the LTE cell is closed. By using the method, rapid closing of the LTE cell is realized and an influence on an original communication system on a shared frequency spectrum is reduced.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of method for closing of LTE community, base station and terminal.
Background technology
In current Long Term Evolution (LongTermEvolution is called for short LTE) system, network side decides the opening and closing of community according to situations such as signal quality, interference level, business loads.If community is opened, Ze Gai community can provide transfer of data for terminal, if community is closed, Ze Gai community can not provide transfer of data for terminal.In order to ensure that community can be opened so that in time for Terminal Service fast, this community can continue when closing to send interception reference signal, completes Timing Synchronization to this community, the function such as signal quality measured for terminal.
Current LTE community shutdown mechanism is a kind of mechanism initiated by network side, and often need terminal to provide signal quality measurement result to assist the decision made community and close, therefore can say, the decision-making time of current LTE community shutdown mechanism is long.But some are specifically applied, such as based on the LTE cell deployment of frequency spectrum share, that is: use the frequency spectrum resource outside frequency range belonging to LTE to dispose LTE community and carry out transfer of data, due to other communication system may be there is in shared frequency spectrum, therefore when other communication system is started working, the LTE community of frequency spectrum share needs quick closedown, to avoid causing interference to original communication system.Obviously, current LTE shutdown mechanism cannot accomplish quick closedown, and this can affect greatly the performance of the original system on shared frequency spectrum.
Summary of the invention
For defect of the prior art, the invention provides the method for closing of LTE community, base station and terminal, achieve the quick closedown of LTE community, reduce the impact on communication system original on shared frequency spectrum.
First aspect, the invention provides a kind of method for closing of LTE community, comprising:
The LTE community of sharing frequency spectrum sends the information of carrying interference instruction to terminal;
Described LTE community operationally receives the interference instruction that described terminal sends according to the information of described carrying interference instruction, and stops providing data transport service for described terminal according to described interference instruction;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
Optionally, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
Optionally, described method also comprises:
Described LTE community stops providing data transport service for described terminal according to described targeting signal, and described targeting signal is that described terminal adopts the described access channel in the information of described carrying interference instruction to send.
Optionally, described method also comprises:
Described LTE community sends the state instruction of described LTE community to described terminal by accidental access response message.
Second aspect, present invention also offers a kind of method for closing of LTE community, comprising:
Terminal receives the information that the LTE community of sharing frequency spectrum sends carrying interference instruction;
Described terminal sends interference instruction according to the information of described carrying interference instruction to work Zhong LTE community;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
Optionally, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
Optionally, described terminal sends interference instruction according to the information of described carrying interference instruction to work Zhong LTE community, comprising:
Described terminal adopts the described access channel in the information of described carrying interference instruction to send described targeting signal to described LTE community.
The third aspect, present invention also offers a kind of base station, comprising:
First transmitting element, for sending the information of carrying interference instruction to terminal;
Receiving element, for operationally receiving the interference instruction that described terminal sends according to the information of described carrying interference instruction, and stops providing data transport service for described terminal according to described interference instruction;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
Optionally, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
Optionally, described receiving element, provides data transport service for stopping according to described targeting signal for described terminal, and described targeting signal is that described terminal adopts the described access channel in the information of described carrying interference instruction to send.
Optionally, described base station also comprises:
Second transmitting element, for sending the state instruction of described base station to described terminal by accidental access response message.
Fourth aspect, present invention also offers a kind of terminal, comprising:
Receiving element, the LTE community for receiving shared frequency spectrum sends the information of carrying interference instruction;
Transmitting element, for sending interference instruction according to the information of described carrying interference instruction to work Zhong LTE community;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
Optionally, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
Optionally, described transmitting element, for adopting the described access channel in the information of described carrying interference instruction, sends described targeting signal to described LTE community.
As shown from the above technical solution, the method for closing of a kind of LTE community provided by the invention, base station and terminal, by being the pre-configured information for carrying interference instruction of terminal, when by signal measurement, terminal finds that the frequency spectrum resource at place, LTE community has other communication systems to start working, terminal sends interference instruction in the resource Shang Xiang LTE community of configuration, after LTE community receives this interference instruction, stop providing data transmission service to this terminal, and the instruction of transmission cell status informs whether this LTE community of terminal is closed simultaneously, the method achieve the quick closedown of LTE community, reduce the impact on communication system original on shared frequency spectrum.
Accompanying drawing explanation
The schematic flow sheet of the method for closing of the LTE community that Fig. 1 provides for one embodiment of the invention;
The schematic flow sheet of the method for closing of the LTE community that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the base station that Fig. 3 provides for one embodiment of the invention;
The structural representation of the terminal that Fig. 4 provides for one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Fig. 1 shows the schematic flow sheet of the method for closing of the LTE community that the embodiment of the present invention provides, and as shown in Figure 1, the method comprises the steps:
The LTE community of 101, sharing frequency spectrum sends the information of carrying interference instruction to terminal.
Concrete, the LTE community of quick closedown is supported for one, Stochastic accessing configuration information special for community quick closedown can be sent to terminal by signaling by the LTE community of network side, this configuration information can be understood as LTE community by the information of pre-configured carrying interference instruction, this information comprises: one or more special Random Access Channel (PhysicalRandomAccessChannel, be called for short PRACH), one or more Special leader signal Preamble, a carrier wave sequence number and described terminal attempt the monitor resource collection receiving the instruction of described LTE cell status.
Wherein, carrier wave sequence number indicates the special access channel of carrying contained by configuration information, the carrier wave of Special leader signal.For each special Random Access Channel, can indicate by the mode of PRACH resource sequence number.For each Special leader signal, can be specified by a targeting signal sequence number.The monitor resource collection receiving cell status instruction is attempted about terminal, it comprises one and monitors sub-frame set and a carrier wave sequence number, show that terminal is on the carrier wave that carrier wave sequence number is corresponding, and belonging to the cell status instruction of the subframe monitoring sub-frame set being monitored this LTE community.
102, described LTE community operationally receives the interference instruction that described terminal sends according to the information of described carrying interference instruction, and stops providing data transport service for described terminal according to described interference instruction.
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
Concrete, when shared frequency spectrum Shang LTE community just operationally, if by signal measurement, terminal finds that the frequency spectrum resource at place, LTE community has other communication system to start working, then terminal will select a special PRACH channel according to configuration information, namely use the appointment PRACH resource on designated carrier, select a special Preamble signal to be placed on selected special PRACH channel simultaneously and transmit.
When LTE community have received dedicated preamble signal on special PRACH channel, stopping is provided data transport service for this terminal or stops providing data transport service for all terminals in LTE community by LTE community.
The special Dou Shi LTE community such as PRACH channel, special preamble signal described in the present invention is pre-configured, the passage that the Dou Shi LTE communities such as these special channels or signal are closed and signal, have nothing to do with other transport service, the present invention adopts special passage and signal also to prevent effect with other passage or signal disturbing just.
In a particular application, said method also comprises unshowned step 103 in Fig. 1;
103, described LTE community stops as while described terminal provides data transport service according to described interference instruction, described LTE community also sends the state instruction of described LTE community to described terminal, to make described terminal obtain the state of described LTE community according to the state instruction of described LTE community, and whether stop the transfer of data between described LTE community according to the condition adjudgement of described LTE community.
Concrete, described LTE community sends the state instruction of described LTE community to described terminal by accidental access response message.
Said method is by being the pre-configured information for carrying interference instruction of terminal, when by signal measurement, terminal finds that the frequency spectrum resource at place, LTE community has other communication systems to start working, terminal sends interference instruction in the resource Shang Xiang LTE community of configuration, after LTE community receives this interference instruction, stop providing data transmission service to this terminal or stopping providing data transmission service to all terminals in community, and the instruction of transmission cell status informs whether this LTE community of terminal is closed simultaneously, the method achieve the quick closedown of LTE community, reduce the impact on communication system original on shared frequency spectrum.
In order to clearer explanation method of the present invention, below the state instruction of above-mentioned community is described in detail.
Cell status indicates, and can send to terminal by accidental access response (RAR) message, that is: LTE community sends the RAR message containing cell status instruction.And from the behavior of end side, terminal is monitored and is received the DCI of RA-RNTI scrambling in all subframes monitoring sub-frame set, wherein this RA-RNTI can be that selected by terminal, special PRACH channel calculates according to TS36.321 specification correspondence, also can be the arbitrary RA-RNTI in RA-RNTI set, and this RA-RNTI gather all special PRACH channel indicated by special Stochastic accessing configuration information and calculates RA-RNTI according to TS36.321 specification correspondence and form.Once receive the DCI of RA-RNTI scrambling, the data channel indicated from this DCI is received RAR message by terminal.If the PreambleID territory instruction in RAR message is any one in all special Preamble of special Preamble selected by terminal or the instruction of special Stochastic accessing configuration information, then terminal thinks that this RAR message contains the state instruction of corresponding LTE community, and terminal reads this instruction.Otherwise terminal thinks this RAR message not containing the instruction of LTE cell status, and wherein contained signaling content is in accordance with current LTE system specification.
If the cell status of LTE community is designated as " opening ", then terminal continues the scheduling control information of this community of monitoring and carries out transfer of data; If cell status is designated as " closedown ", then terminal stops the transfer of data between this community.In a particular application, if described LTE community operationally receives the interference instruction that described terminal sends according to the information of described carrying interference instruction, and stop providing data transport service for described terminal according to described interference instruction, then now cell status is designated as "Off" state.
Fig. 2 shows the schematic flow sheet of the method for closing of the LTE community that the embodiment of the present invention provides, and as shown in Figure 2, the method comprises the steps:
201, terminal receives the information that the LTE community of sharing frequency spectrum sends carrying interference instruction;
202, described terminal sends interference instruction according to the information of described carrying interference instruction to work Zhong LTE community;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
Concrete, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
Described terminal adopts the described access channel in the information of described carrying interference instruction to send described targeting signal to described LTE community.
The concrete implementation detail of the present embodiment is see foregoing description.
Fig. 3 shows a kind of base station that the embodiment of the present invention provides, and as shown in Figure 3, described base station comprises: the first transmitting element 31 and receiving element 32;
First transmitting element 31, for sending the information of carrying interference instruction to terminal;
For example, the information of described carrying interference instruction comprises: the monitor resource collection of the state instruction of base station described in access channel, targeting signal, carrier wave sequence number and described terminal monitoring.
Receiving element 32, for operationally receiving the interference instruction that described terminal sends according to the information of described carrying interference instruction, and stops providing data transport service for described terminal according to described interference instruction.
Wherein, send to described LTE community when described interference other communication systems be designated as on frequency spectrum resource that described terminal measures place, described LTE community except described terminal are started working.
Concrete, described receiving element, provides data transport service for stopping according to described targeting signal for described terminal, and described targeting signal is that described terminal adopts the described access channel in the information of described carrying interference instruction to send.
In a particular application, described base station also comprises unshowned second transmitting element 33 in Fig. 3:
Second transmitting element 33, for sending the state instruction of described base station to described terminal by accidental access response message.
This base station achieves the quick closedown of LTE community, reduces the impact on communication system original on shared frequency spectrum.
Fig. 4 shows a kind of base station that the embodiment of the present invention provides, and as shown in Figure 4, described terminal comprises: receiving element 41 and transmitting element 42.
Receiving element 41, the LTE community for receiving shared frequency spectrum sends the information of carrying interference instruction;
Transmitting element 42, for sending interference instruction according to the information of described carrying interference instruction to work Zhong LTE community;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
Concrete, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
Described transmitting element, for adopting the described access channel in the information of described carrying interference instruction, sends described targeting signal to described LTE community.
Base station in the present embodiment and terminal be with the method for closing of above-mentioned LTE community one to one.
In specification of the present invention, describe a large amount of detail.But can understand, embodiments of the invention can be put into practice when not having these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme, it all should be encompassed in the middle of the scope of claim of the present invention and specification.
Claims (14)
1. a method for closing for LTE community, is characterized in that, comprising:
The LTE community of sharing frequency spectrum sends the information of carrying interference instruction to terminal;
Described LTE community operationally receives the interference instruction that described terminal sends according to the information of described carrying interference instruction, and stops providing data transport service for described terminal according to described interference instruction;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
2. method according to claim 1, is characterized in that, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
3. method according to claim 2, is characterized in that, described method also comprises:
Described LTE community stops providing data transport service for described terminal according to described targeting signal, and described targeting signal is that described terminal adopts the described access channel in the information of described carrying interference instruction to send.
4. method according to claim 1, is characterized in that, described method also comprises:
Described LTE community sends the state instruction of described LTE community to described terminal by accidental access response message.
5. a method for closing for LTE community, is characterized in that, comprising:
Terminal receives the information that the LTE community of sharing frequency spectrum sends carrying interference instruction;
Described terminal sends interference instruction according to the information of described carrying interference instruction to work Zhong LTE community;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
6. method according to claim 5, is characterized in that, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
7. method according to claim 6, is characterized in that, described terminal sends interference instruction according to the information of described carrying interference instruction to work Zhong LTE community, comprising:
Described terminal adopts the described access channel in the information of described carrying interference instruction to send described targeting signal to described LTE community.
8. a base station, is characterized in that, comprising:
First transmitting element, for sending the information of carrying interference instruction to terminal;
Receiving element, for operationally receiving the interference instruction that described terminal sends according to the information of described carrying interference instruction, and stops providing data transport service for described terminal according to described interference instruction;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
9. base station according to claim 8, is characterized in that, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
10. base station according to claim 8, it is characterized in that, described receiving element, provides data transport service for stopping according to described targeting signal for described terminal, and described targeting signal is that described terminal adopts the described access channel in the information of described carrying interference instruction to send.
11. base stations according to claim 8, is characterized in that, described base station also comprises:
Second transmitting element, for sending the state instruction of described base station to described terminal by accidental access response message.
12. 1 kinds of terminals, is characterized in that, comprising:
Receiving element, the LTE community for receiving shared frequency spectrum sends the information of carrying interference instruction;
Transmitting element, for sending interference instruction according to the information of described carrying interference instruction to work Zhong LTE community;
Wherein, described interference is designated as and sends to described LTE community when frequency spectrum resource that described terminal measures place, described LTE community has other communication systems to start working.
13. terminals according to claim 12, is characterized in that, the information of described carrying interference instruction comprises: the monitor resource collection carrying LTE cell status instruction described in the access channel of interference instruction, targeting signal, carrier wave sequence number and described terminal monitoring.
14. terminals according to claim 12, is characterized in that, described transmitting element, for adopting the described access channel in the information of described carrying interference instruction, send described targeting signal to described LTE community.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410546581.9A CN105578479A (en) | 2014-10-15 | 2014-10-15 | Closing method of LTE cell, base station and terminal thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410546581.9A CN105578479A (en) | 2014-10-15 | 2014-10-15 | Closing method of LTE cell, base station and terminal thereof |
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| CN102934472A (en) * | 2010-04-05 | 2013-02-13 | 株式会社Ntt都科摩 | Base station device, mobile terminal device and communication control method |
| WO2013072493A1 (en) * | 2011-11-18 | 2013-05-23 | Cinterion Wireless Modules Gmbh | Method of detecting a jamming transmitter affecting a communication user equipment, device and user equipment and system with the user equipment |
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Patent Citations (4)
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| CN102648646A (en) * | 2009-12-02 | 2012-08-22 | 高通股份有限公司 | Apparatus and methods for spectrum sharing using listen-before-talk with quiet periods |
| CN102934472A (en) * | 2010-04-05 | 2013-02-13 | 株式会社Ntt都科摩 | Base station device, mobile terminal device and communication control method |
| CN102421148A (en) * | 2010-09-28 | 2012-04-18 | 华为技术有限公司 | Method for realizing communication by controlling multiple communication systems, and user equipment |
| WO2013072493A1 (en) * | 2011-11-18 | 2013-05-23 | Cinterion Wireless Modules Gmbh | Method of detecting a jamming transmitter affecting a communication user equipment, device and user equipment and system with the user equipment |
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