CN102612133A - Method, system and equipment for configuring and synchronizing expanded carriers - Google Patents
Method, system and equipment for configuring and synchronizing expanded carriers Download PDFInfo
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- CN102612133A CN102612133A CN2012100558625A CN201210055862A CN102612133A CN 102612133 A CN102612133 A CN 102612133A CN 2012100558625 A CN2012100558625 A CN 2012100558625A CN 201210055862 A CN201210055862 A CN 201210055862A CN 102612133 A CN102612133 A CN 102612133A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
Abstract
The embodiment of the invention relates to the technical field of wireless communication, in particular to a method, system and equipment for configuring and synchronizing expanded carriers, which are used for configuring and synchronizing the expanded carriers. The method for configuring and synchronizing the expanded carriers, disclosed by the invention, comprises the following steps: network side equipment determines carrier information of expanded carriers which need to be configured to user equipment, wherein the carrier information comprises identifiers of the expanded carriers and/or configuration information of reference marks of the expanded carriers; and the network side equipment sends the carrier information to the user equipment. Because the network side equipment sends the carrier information of the expanded carriers, which comprises the identifiers of the expanded carriers and/or the configuration information of the reference marks of the expanded carriers, the expanded carriers are configured to the user equipment, and the user equipment can use the expanded carriers.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of configuration and method, system and the equipment of expanding carrier wave synchronously.
Background technology
The peak rate of LTE-A (Long Term Evolution-Advanced, long-term evolution upgrading) system improves a lot than LTE, requires to reach descending 1Gbps, up 500Mbps.Simultaneously, there are good compatibility in LTE-A system requirements and LTE system.Based on improve peak rate, with LTE system compatible and the needs that make full use of frequency spectrum resource, the LTE-A system has introduced CA (Carrier Aggregation, carrier aggregation) technology.
Carrier aggregation technology is that subscriber equipment can be worked on a plurality of sub-districts simultaneously; A sub-district comprises a pair of UL (up link)/DL (down link) CC (member carrier; Component Carrier), rather than have only in LTE system and the wireless communication system before one the cover carrier wave pattern.Each member carrier can be continuously in the system of carrier aggregation, also can be discontinuous, and the bandwidth between each member carrier can be identical or different, and in order to keep the system compatible with LTE, the maximum bandwidth limit of each member carrier is 20MHz.It is generally acknowledged that at present the sub-district number maximum number that subscriber equipment can polymerization is 5.In addition, LTE-A also classifies to the sub-district of carrier aggregation, is divided into:
PCell (Primary Cell, main plot): have only a sub-district to be defined as Pcell in a plurality of sub-districts of terminal polymerization, Pcell is by base station selected, and disposes to the terminal through RRC (Radio Resource Control, Radio Resource control) signaling.Have only and dispose PUCCH (Physical Uplink Control Channel, physical layer ascending control channel) on the Pcell;
SCell (auxilliary sub-district, Secondary Cell): the sub-district in all sub-districts of terminal polymerization except Pcell all is SCell.
In the CA system, processes such as some cell managements (signal quality of for example deleting an auxilliary sub-district, auxilliary sub-district of reprovision, auxilliary sub-district of activation, Serving cell report etc.) need often retrieve the aggregation cell of UE.The interior sub-district of polymerization scope can be unique definite by frequency and PCI (Physical cell ID, sub-district physical label).From the angle of signaling consumption, can avoid reusing in a large number carrier frequency and these two parameters of PCI through introducing the cell number parameter.Determined to introduce UE level cell number parameter in the standard discussion at present, be encoded to 3bit, the numbering of a sub-district will be given UE by network allocation in newly-increased this sub-district.The cell number of main plot is fixed as 0, and the sub-district label scope of application of auxilliary sub-district is 1～7.
Because the business of subscriber equipment possibly have fluctuation and sudden, promptly in certain period traffic carrying capacity seldom, and traffic carrying capacity is very big in certain period; When the user apparatus service amount is fewer; For better economize on electricity, the LTE-A system has introduced the notion of activation, and the Pell of regulation UE does not allow by deexcitation; Acquiescence is in state of activation always, and can carry out the activation operation to Scell.
Carrier wave for deexcitation; UE need not carry out PDCCH (Physical Downlink Control Channel; Physical downlink control channel) monitoring/PDSCH (Physical Downlink Shared Channel, physical down link sharing channel) receives, and need not send PUSCH (Physical Uplink Shared Channel; Physical uplink link sharing channel)/SRS (Sounding Reference Signal; Survey and use reference signal)/CQI (Channel Quality Indicator, channel quality indication) etc., so just can reach better power savings.
LTE-A R11 is based on improving spectrum efficiency, better supporting the consideration of Hetnet (heterogeneous network) scene and economize on electricity, and decision is done enhancing to downlink transfer, introduces a kind of new descending carrier, is referred to as descending expansion carrier wave here.
Because the expansion carrier wave is newly introduced in the LTE-A system, at present not to measurement and the synchronization scenario of expanding carrier wave.
Summary of the invention
A kind of method and apparatus that disposes the expansion carrier wave that the embodiment of the invention provides is in order to configuration expansion carrier wave.
Method, system and the equipment of a kind of synchronous expansion carrier wave that the embodiment of the invention also provides are in order to synchronous expansion carrier wave.
A kind of method that disposes the expansion carrier wave that the embodiment of the invention provides comprises:
Network equipment confirms to be the carrier information of the expansion carrier wave of user device configuration that wherein said carrier information comprises the sign of expand carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Said network equipment sends said carrier information to said subscriber equipment.
A kind of network equipment that disposes the expansion carrier wave that the embodiment of the invention provides comprises:
Determination module is used for confirming being the carrier information of the expansion carrier wave of user device configuration that wherein said carrier information comprises the sign of expand carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Sending module is used for sending said carrier information to said subscriber equipment.
Because network side sends the carrier information of the expansion carrier wave of the configuration information that comprises the sign of expanding carrier wave and/or the reference symbol of expanding carrier wave to subscriber equipment, thereby can expand carrier wave for user device configuration, makes subscriber equipment can use the expansion carrier wave.
The method of a kind of synchronous expansion carrier wave that the embodiment of the invention provides comprises:
Subscriber equipment receives the carrier information from the expansion carrier wave of network side, and wherein said carrier information comprises the sign of expanding carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Said subscriber equipment carries out down-going synchronous according to said carrier information with the expansion carrier wave.
The subscriber equipment of a kind of synchronous expansion carrier wave that the embodiment of the invention provides comprises:
Receiver module is used to receive the carrier information from the expansion carrier wave of network side, and wherein said carrier information comprises the sign of expanding carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Processing module is used for according to said carrier information, carries out down-going synchronous with the expansion carrier wave.
The system of a kind of synchronous expansion carrier wave that the embodiment of the invention provides comprises:
Network equipment is used for confirming and need sends said carrier information to said subscriber equipment for the carrier information of the expansion carrier wave of user device configuration that wherein said carrier information comprises the sign of expand carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Subscriber equipment is used to receive the carrier information from the expansion carrier wave of network side, according to said carrier information, carries out down-going synchronous with the expansion carrier wave.
Because subscriber equipment carries out synchronously from the sign of expand carrier wave comprising of network side and/or the carrier information of expansion carrier wave of configuration information of expanding the reference symbol of carrier wave according to what receive; Thereby can expand carrier wave synchronously, further can also improve the performance of carrier aggregation.
Description of drawings
Fig. 1 expands the system configuration sketch map of carrier wave synchronously for the embodiment of the invention;
Fig. 2 expands the structural representation of network equipment in the system of carrier wave synchronously for the embodiment of the invention;
Fig. 3 expands the structural representation of subscriber equipment in the system of carrier wave synchronously for the embodiment of the invention;
Fig. 4 is the method flow sketch map of embodiment of the invention configuration expansion carrier wave;
Fig. 5 expands the method flow sketch map of carrier wave synchronously for the embodiment of the invention.
Embodiment
Embodiment of the invention network side sends the carrier information of the expansion carrier wave of the configuration information that comprises the sign of expanding carrier wave and/or the reference symbol of expanding carrier wave to subscriber equipment; Thereby can expand carrier wave for user device configuration, make subscriber equipment can use the expansion carrier wave;
Embodiment of the invention subscriber equipment carries out synchronously from the sign of expand carrier wave comprising of network side and/or the carrier information of expansion carrier wave of configuration information of expanding the reference symbol of carrier wave according to what receive; Thereby can expand carrier wave synchronously, further can also improve the performance of carrier aggregation.
When descending expansion carrier wave designed, agreement was supported synchronously and asynchronous two kinds of scenes at least at present.So-called synchronization scenarios, promptly expanding carrier wave is Time and Frequency Synchronization with the carrier wave/sub-district of a backward compatibility of subscriber equipment polymerization at least, promptly the subscriber equipment receiver need not carry out extra down-going synchronous to the expansion carrier wave and handles.So-called asynchronous scene, carrier wave/sub-district, pass of promptly expanding any one backward compatibility of carrier wave and subscriber equipment polymerization is not a Time and Frequency Synchronization, the subscriber equipment receiver need carry out extra down-going synchronous to the expansion carrier wave to be handled.For synchronous expansion carrier wave, can only send CSI-RS (Channel State Information-Reference Signal, channel condition information pilot signal), carry out mobility measurements with it; For nonsynchronous expansion carrier wave; Can send PSS (Primary Synchronized Signal; Master sync signal)/SSS (Secondary Synchronized Signal; Auxiliary synchronous signals), CRS (Common Reference Signal, common pilot signal) or CSI-RS be used for synchronously, send CRS or CSI-RS and be used for mobility measurements.
Wherein, the reference symbol of the embodiment of the invention includes but not limited to down column signal:
PSS, SSS, CRS and CSI-RS.
Wherein, the sign of the expansion carrier wave of the embodiment of the invention is the frequency and the PCI of expansion carrier wave, can also be Cell ID (cell ID) and ECGI (EUTRAN Cell Global Identity, EUTRAN cellular global identity; EUTRAN, Evolved UMTS Terrestrial Radio Access Network, the UMTS Terrestrial radio access network of evolution; UMTS, Universal Mobile TelecommunicationSystem, UMTS).
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
In the declarative procedure below, the cooperation enforcement from network side and user equipment side earlier describes, and describes from the enforcement of network side and user equipment side respectively at last; But this does not also mean that the two must cooperate enforcement; In fact, separate when implementing, also solved respectively in network side, the existing problem of user equipment side when network side and user equipment side; When just the two is used in combination, can obtain better technique effect.
As shown in Figure 1, the system that the embodiment of the invention is expanded carrier wave synchronously comprises: network equipment 10 and subscriber equipment 20.
In force, network equipment 10 also needs judges equipment 20 whether can expand the down-going synchronous of carrier wave before sending carrier information.
Concrete, network equipment 10 sends carrier information after definite subscriber equipment 20 support expanded carrier synchronization.
Owing to carrying out when synchronous with synchronous expansion carrier wave; Only need carry out getting final product synchronously by the synchronized cells corresponding with synchronous expansion carrier wave; So except top mode, network equipment 10 can also send carrier information after confirming that expanding carrier wave is to expand carrier wave synchronously.
Preferably, if need expand carrier aggregation, network equipment 10 sends carrier information to subscriber equipment 20 after definite subscriber equipment 20 support expanded carrier aggregation.
Preferably, measure if need expand carrier wave, network equipment 10 sends carrier information to subscriber equipment 20 after definite subscriber equipment 20 support expanded carrier waves are measured.
In force, can need subscriber equipment 20 to carry out carrier aggregation by network equipment 10 decisions still measures, perhaps not only carries out carrier aggregation but also measure.A kind of preferable mode is that network equipment 10 can place notifying user equipment 20 to carry out the message of corresponding operating carrier information.Carry out polymerization such as needs subscriber equipment 20, send syndication message, then can carrier information be placed syndication message to subscriber equipment 20.
Wherein, network equipment 10 self the ability that can report according to subscriber equipment 20 judges whether this subscriber equipment supports one or more during expanding carrier synchronization, expansion carrier aggregation and expansion carrier wave synchronously measures; Also can whether support to expand synchronously in measuring one or more of carrier synchronization, expansion carrier aggregation and expansion carrier wave according to version number's judges equipment of subscriber equipment 20.
In force; Subscriber equipment 20 can be based on subscriber equipment or based on frequency range or based on the frequency range combination, and employing display mode or implicit expression mode report one or more in synchronizing capacity, the polymerizing power of expanding carrier wave of expanding carrier wave and the measurement capability of the expanding carrier wave.
For example, for reporting of expansion carrier aggregation ability, subscriber equipment 20 can report based on each band (frequency range); Also can make up and report based on the band of polymerization, when carrying out polymerization like the carrier wave among band1 and the band2, the expansion carrier wave among the band2 of polymerization simultaneously.
Expand the ability of carrier wave synchronously for polymerization; Can show indication (for example, in band combination that can polymerization, indicating whether simultaneously can the synchronous expansion carrier wave of polymerization); Also can implicit expression (for example indicate; Can polymerization the expansion carrier wave, but can not the asynchronous expansion carrier wave of polymerization, then be defaulted as and can polymerization expand carrier wave synchronously).
Be to be that example describes above, report synchronizing capacity and the measurement capability of expansion carrier wave and polymerizing power similar, repeat no more at this to report expansion carrier aggregation ability.Wherein the synchronous and/or measurement capability for the expansion carrier wave can report the synchronous and/or measurement of whether supporting certain reference symbol.
Wherein, the expansion carrier wave of the embodiment of the invention can be to expand carrier wave or asynchronous expansion carrier wave synchronously.
Preferably, if the expansion carrier wave is to expand carrier wave synchronously, the sign that network equipment 10 will be expanded the corresponding synchronized cells of carrier wave places carrier information;
Accordingly, subscriber equipment 20 is confirmed synchronized cells according to the sign of synchronized cells, and carries out down-going synchronous with synchronized cells, after accomplishing synchronously with synchronized cells, just accomplishes synchronously with the expansion carrier wave.
In force, the sign of embodiment of the invention synchronized cells includes but not limited to a kind of in the following message:
Frequency and PCI, ECGI, cell ID.
Wherein, synchronized cells is high-rise address, and physical layer is then called sync carrier, so be directed against the address of different layers, synchronized cells also can be called sync carrier.
Preferably, if the expansion carrier wave is asynchronous expansion carrier wave, subscriber equipment 20 is confirmed the expansion carrier wave according to the sign of expansion carrier wave, and according to the configuration information of reference symbol, carries out down-going synchronous with the expansion carrier wave.
Preferably, subscriber equipment 20 carries out after the down-going synchronous with the expansion carrier wave, can also the expansion carrier wave be measured according to the configuration information of reference symbol.
Preferably, subscriber equipment carries out after the down-going synchronous with the expansion carrier wave, can also carry out carrier aggregation to the expansion carrier wave.
In force; The expansion carrier wave might be the expansion carrier wave of adjacent networks side apparatus; Then network equipment 10 can also obtain the carrier information of the expansion carrier wave of adjacent networks side apparatus through X2 interface or O&M (Operations & Maintenance, operation and maintenance) equipment.
Preferably, in handoff procedure, if network equipment 10 is objective network side apparatus, and comprise the expansion carrier wave in the Target cell, the carrier information that network equipment 10 will be expanded carrier wave places switching command.
If carrier information comprises the sign of expanding carrier wave or the configuration information of expanding the reference symbol of carrier wave, then obtaining of another one parameter can be made an appointment.
Concrete, if said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, network equipment 10 and the configuration information of subscriber equipment 20 according to the reference symbol that definite said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, network equipment 10 is provided with the sign of confirming said expansion carrier wave in advance with subscriber equipment 20 bases.
The mode that the embodiment of the invention is made an appointment can be any mode that can guarantee that network side and user equipment side are consistent to the cognition of another one parameter, such as arranging between, the manufacturer predetermined through standard etc.
For example, standard is made an appointment and is expanded the cell ID synchronous with it that be designated of carrier wave, or the PCI of the expansion carrier wave of making an appointment always is 0.If the carrier information received of subscriber equipment 20 comprises the configuration information of the reference symbol of expand carrier wave, do not comprise the sign of expand carrier wave, the definite sign of expanding carrier wave of mode of then can code requirement making an appointment.
For example, the make an appointment configuration information of reference symbol of expansion carrier wave of standard is the port 0 of CRS, and perhaps the port one 5 of CSI-RS does not perhaps have.If the carrier information received of subscriber equipment 20 comprises the sign of expand carrier wave, do not comprise the configuration information of the reference symbol of expand carrier wave, the definite configuration information of expanding the reference symbol of carrier wave of mode of then can code requirement making an appointment.
Need to prove; The configuration information of the reference symbol of expansion carrier wave is not limited to above-mentioned content with the sign of expansion carrier wave, and other can be used as the content that the embodiment of the invention is made an appointment too as the configuration information of the reference symbol of expanding carrier wave and the content of the sign of expansion carrier wave.
Wherein, the network equipment of the embodiment of the invention can be base station (such as a macro base station, Home eNodeB etc.), also can be RN (relaying) equipment, can also be other network equipment.
As shown in Figure 2, the network equipment that the embodiment of the invention is expanded in the system of carrier wave synchronously comprises: determination module 200 and sending module 210.
Sending module 210 is used for sending carrier information to subscriber equipment.
Preferably, determination module 200 triggers sending module and sends carrier information to subscriber equipment in definite subscriber equipment support expanded carrier synchronization or after confirming that expanding carrier wave is to expand carrier wave synchronously.
Preferably, if need expand carrier aggregation, determination module 200 triggers sending module 210 and sends carrier information to subscriber equipment after definite subscriber equipment support expanded carrier aggregation.
Preferably, measure if need expand carrier wave; Determination module 200 triggers sending module 210 and sends carrier information to subscriber equipment after definite subscriber equipment support expanded carrier wave is measured.
Preferably, if the expansion carrier wave is to expand carrier wave synchronously, the sign that determination module 200 will be expanded the corresponding synchronized cells of carrier wave places carrier information.
Preferably, determination module 200 obtains the carrier information of the expansion carrier wave of adjacent networks side apparatus through X2 interface or O&M equipment.
Preferably, in handoff procedure, if network equipment is the objective network side apparatus, and comprise the expansion carrier wave in the Target cell, the carrier information that determination module 200 will be expanded carrier wave places switching command.
Preferably, if said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, determination module 200 is according to the configuration information that the reference symbol of confirming said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, determination module 200 is according to the sign of confirming said expansion carrier wave is set in advance.
As shown in Figure 3, the subscriber equipment that the embodiment of the invention is expanded in the system of carrier wave synchronously comprises: receiver module 300 and processing module 310.
Preferably, processing module 310 is confirmed the expansion carrier wave according to the sign of expansion carrier wave, and according to the configuration information of reference symbol, carries out down-going synchronous with the expansion carrier wave.
Preferably, also comprise as if carrier information: the sign of synchronized cells; Processing module 310 is confirmed synchronized cells according to the sign of synchronized cells, carries out down-going synchronous with synchronized cells, and completion is synchronous with the expansion carrier wave.
Preferably, processing module 310 is carried out after the down-going synchronous with the expansion carrier wave, according to the configuration information of reference symbol, the expansion carrier wave is measured.
Preferably, processing module 310 is carried out after the down-going synchronous with the expansion carrier wave, and the expansion carrier wave is carried out carrier aggregation.
Preferably, processing module 310 adopts display mode or implicit expression mode to report the polymerizing power of expansion carrier wave and/or the measurement capability of expansion carrier wave based on subscriber equipment or based on frequency range or based on the frequency range combination.
Preferably, if said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, processing module 310 is according to the configuration information that the reference symbol of confirming said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, processing module 310 is according to the sign of confirming said expansion carrier wave is set in advance.
Based on same inventive concept; A kind of method that disposes the expansion carrier wave also is provided in the embodiment of the invention; Because the principle that this method is dealt with problems is similar with the network equipment in the system that expands carrier wave synchronously; Therefore the enforcement of these equipment can repeat part and repeat no more referring to the enforcement of system and network equipment.
Like Fig. 4, the method for embodiment of the invention configuration expansion carrier wave comprises the following steps:
In force, network equipment also needs judges equipment whether can expand the down-going synchronous of carrier wave before sending carrier information.
Concrete, network equipment sends carrier information after definite subscriber equipment support expanded carrier synchronization.
Owing to carrying out when synchronous with synchronous expansion carrier wave, only need carry out get final product synchronously by the synchronized cells corresponding with synchronous expansion carrier wave, except top mode, network equipment can also be after confirming that expanding carrier wave is to expand carrier wave synchronously, the transmission carrier information.
Preferably, if need expand carrier aggregation, network equipment sends carrier information to subscriber equipment after definite subscriber equipment support expanded carrier aggregation.
Preferably, measure if need expand carrier wave, network equipment sends carrier information to subscriber equipment after definite subscriber equipment support expanded carrier wave is measured.
Wherein, network equipment can judge whether this subscriber equipment supports one or more during expanding carrier synchronization, expansion carrier aggregation and expansion carrier wave synchronously measures according to self ability of user equipment to report; Also can whether support to expand synchronously in measuring one or more of carrier synchronization, expansion carrier aggregation and expansion carrier wave according to version number's judges equipment of subscriber equipment.
In force, subscriber equipment can be based on subscriber equipment or based on frequency range or based on the frequency range combination, and employing display mode or implicit expression mode report one or more in synchronizing capacity, the polymerizing power of expanding carrier wave of expanding carrier wave and the measurement capability of the expanding carrier wave.
Wherein, the expansion carrier wave of the embodiment of the invention can be to expand carrier wave or asynchronous expansion carrier wave synchronously.
Preferably, if the expansion carrier wave is to expand carrier wave synchronously, the sign that network equipment will be expanded the corresponding synchronized cells of carrier wave places carrier information
In force, the expansion carrier wave might be the expansion carrier wave of adjacent networks side apparatus, and then network equipment can also obtain the carrier information of the expansion carrier wave of adjacent networks side apparatus through X2 interface or O&M equipment.
Preferably, in handoff procedure, if network equipment is the objective network side apparatus, and comprise the expansion carrier wave in the Target cell, the carrier information that network equipment will be expanded carrier wave places switching command.
If carrier information comprises the sign of expanding carrier wave or the configuration information of expanding the reference symbol of carrier wave, then obtaining of another one parameter can be made an appointment.
Concrete, if said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, network equipment is according to the configuration information that the reference symbol of confirming said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, network side is according to the sign of confirming said expansion carrier wave is set in advance.
The mode that the embodiment of the invention is made an appointment can be any mode that can guarantee that network side and user equipment side are consistent to the cognition of another one parameter, such as arranging between, the manufacturer predetermined through standard etc.
For example, standard is made an appointment and is expanded the cell ID synchronous with it that be designated of carrier wave, or the PCI of the expansion carrier wave of making an appointment always is 0.
For example, the make an appointment configuration information of reference symbol of expansion carrier wave of standard is the port 0 of CRS, and perhaps the port one 5 of CSI-RS does not perhaps have.
Need to prove; The configuration information of the reference symbol of expansion carrier wave is not limited to above-mentioned content with the sign of expansion carrier wave, and other can be used as the content that the embodiment of the invention is made an appointment too as the configuration information of the reference symbol of expanding carrier wave and the content of the sign of expansion carrier wave.
Based on same inventive concept; A kind of method of synchronous expansion carrier wave also is provided in the embodiment of the invention; Because the principle that this method is dealt with problems is similar with the subscriber equipment in the system that expands carrier wave synchronously; Therefore the enforcement of these equipment can repeat part and repeat no more referring to the enforcement of system and subscriber equipment.
As shown in Figure 5, the method that the embodiment of the invention is expanded carrier wave synchronously comprises the following steps:
Preferably, also comprise before the step 501:
Subscriber equipment adopts display mode or implicit expression mode to report the polymerizing power of expansion carrier wave and/or the measurement capability of expansion carrier wave based on subscriber equipment or based on frequency range or based on the frequency range combination.
Preferably, in the step 502, subscriber equipment is confirmed the expansion carrier wave according to the sign of expansion carrier wave, and according to the configuration information of reference symbol, carries out down-going synchronous with the expansion carrier wave.
Preferably, also comprise as if carrier information: the sign of synchronized cells; In the step 502, subscriber equipment is confirmed synchronized cells according to the sign of synchronized cells; Carry out down-going synchronous with synchronized cells, completion is synchronous with the expansion carrier wave.
Preferably, also comprise after the step 502:
Subscriber equipment is measured the expansion carrier wave according to the configuration information of reference symbol.
Preferably, also comprise after the step 502:
Subscriber equipment carries out carrier aggregation to the expansion carrier wave.
If carrier information comprises the sign of expanding carrier wave or the configuration information of expanding the reference symbol of carrier wave, then obtaining of another one parameter can be made an appointment.
Concrete, if said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, subscriber equipment is according to the configuration information that the reference symbol of confirming said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, subscriber equipment is according to the sign of confirming said expansion carrier wave is set in advance.
The mode that the embodiment of the invention is made an appointment can be any mode that can guarantee that network side and user equipment side are consistent to the cognition of another one parameter, such as arranging between, the manufacturer predetermined through standard etc.
For example, standard is made an appointment and is expanded the cell ID synchronous with it that be designated of carrier wave, or the PCI of the expansion carrier wave of making an appointment always is 0.If the carrier information received of subscriber equipment comprises the configuration information of the reference symbol of expand carrier wave, do not comprise the sign of expand carrier wave, the definite sign of expanding carrier wave of mode of then can code requirement making an appointment.
For example, the make an appointment configuration information of reference symbol of expansion carrier wave of standard is the port 0 of CRS, and perhaps the port one 5 of CSI-RS does not perhaps have.If the carrier information received of subscriber equipment comprises the sign of expand carrier wave, do not comprise the configuration information of the reference symbol of expand carrier wave, the definite configuration information of expanding the reference symbol of carrier wave of mode of then can code requirement making an appointment.
Need to prove; The configuration information of the reference symbol of expansion carrier wave is not limited to above-mentioned content with the sign of expansion carrier wave, and other can be used as the content that the embodiment of the invention is made an appointment too as the configuration information of the reference symbol of expanding carrier wave and the content of the sign of expansion carrier wave.
Wherein, Fig. 4 and Fig. 5 can synthesize a flow process, form the method for expansion carrier wave synchronously, promptly first execution in step 401～step 402, execution in step 501 and step 502 again.
With four instances scheme of the present invention is described below.
Instance 1: the mobility measurements process of expanding carrier wave synchronously.
The base station obtain subscriber equipment to the expansion carrier wave synchronously, measurement and polymerizing power.Subscriber equipment whether have relevant ability can be arrange in advance (for example support expanded carrier subscriber equipment always supports polymerization to expand carrier wave synchronously; And utilize CRS or CSI-RS to measure); Also can be that subscriber equipment reports to the base station; Subscriber equipment support expanded carrier aggregation for example, and can polymerization expand carrier wave synchronously, and the ability of utilizing CSI-RS to measure.
Suppose that subscriber equipment only sends the CSI-RS signal on the expansion carrier wave that needs are measured, do not have PSS, SSS and CRS signal:
For (for example measuring scene with the expansion carrier wave in the base station; Measurement result is used for increasing the expansion carrier wave and carries out polymerization or base station intra); The base station is that subscriber equipment carries out measurement configuration; The frequency that comprises the expansion carrier wave that needs measure in the carrier information and PCI, expand the CSI-RS configuration information of carrier wave with the cell ID (frequency and PCI, perhaps cell index) of this expansion carrier synchronization and this.Wherein, with the cell ID of this expansion carrier synchronization can be frequency and PCI, or cell index has only when the sub-district with this expansion carrier synchronization is the current Serving cell of UE, just can use cell index;
Subscriber equipment is received after the carrier information, at first finds and the sub-district of expanding carrier synchronization, carries out down-going synchronous; So just, accomplished and the down-going synchronous of expanding carrier wave,, found the expansion carrier wave and receive its signal then according to the frequency and the PCI of expansion carrier wave; According to the CSI-RS configuration information of expansion carrier wave, its CSI-RS signal is measured, obtain corresponding measurement result through after the filtering; Like RSRP (Reference signal received power, Reference Signal Received Power).
Wherein, measure scene (for example, measurement result is used for switching between the base station) for the expansion carrier wave between different base station, at first mutual through O&M or X2 interface, make the base station obtain the carrier information of the expansion carrier wave of its adjacent base station.
If having triggered, this measurement result switches relevant measurement and report; Then source base station can be adjudicated subscriber equipment according to measurement result and switched; In switching set-up procedure, source base station switches to subscriber equipment common sub-district simultaneously and expands on the carrier wave to target base station requests through X2 or S1 message; (frequency+PCI) and signal quality supply target BS to select switch to prepare to comprise in the message cell ID that subscriber equipment measures.The measurement result of target BS combination self loading condition, subscriber equipment and UE capability etc., decision switches to suitable Target cell with subscriber equipment.If comprise common sub-district and expansion carrier wave in the Target cell, then comprise sign and the relevant configuration information of expanding carrier wave in the switching command.
Instance 2: the mobility measurements process of asynchronous expansion carrier wave.
The base station obtain subscriber equipment to the expansion carrier wave synchronously, measurement and/or polymerizing power.Whether subscriber equipment has relevant ability can be arranged in advance, also can be that subscriber equipment reports to the base station.Subscriber equipment in the present embodiment can polymerization the expansion carrier wave, and can the asynchronous expansion carrier wave of polymerization, can through CSI-RS expand carrier wave synchronously, also can expand the measurement of carrier wave through CSI-RS.
Suppose that subscriber equipment only sends the CSI-RS signal on the expansion carrier wave that needs are measured, do not have PSS, SSS and CRS signal:
For (for example measuring scene with the expansion carrier wave in the base station; Measurement result is used for increasing the expansion carrier wave and carries out polymerization or base station intra); The base station is that subscriber equipment carries out measurement configuration, comprises the frequency of the expansion carrier wave that needs measure and the CSI-RS of PCI and this expansion carrier wave in the carrier information and disposes.Subscriber equipment receives after the carrier information, accomplishes the down-going synchronous with the expansion carrier wave through frequency and PCI and CSI-RS signal, and its CSI-RS signal is measured, and obtains corresponding measurement result through after the filtering, like RSRP.
Wherein, measure scene (for example, measurement result is used for switching between the base station) for the expansion carrier wave between different base station, at first mutual through O&M or X2 interface, make the base station obtain the carrier information of the expansion carrier wave of its adjacent base station.
If having triggered, this measurement result switches relevant measurement and report; Then source base station can be adjudicated subscriber equipment according to measurement result and switched; In switching set-up procedure, source base station switches to subscriber equipment common sub-district simultaneously and expands on the carrier wave to target base station requests through X2 or S1 message; (frequency+PCI) and signal quality supply target BS to select switch to prepare to comprise in the message cell ID that subscriber equipment measures.The measurement result of target BS combination self loading condition, subscriber equipment and UE capability etc., decision switches to suitable Target cell with subscriber equipment.If comprise common sub-district and expansion carrier wave in the Target cell, then comprise sign and the relevant configuration information of expanding carrier wave in the switching command.
If subscriber equipment sends PSS or SSS and CRS-RS signal on the expansion carrier wave that needs are measured.Then subscriber equipment is expanded the down-going synchronous of carrier wave through PSS or SSS, utilizes CSI-RS to measure, all the other processes with above identical, repeat no more at this.
If send CRS and CSI-RS signal on the expansion carrier wave that subscriber equipment need be measured, there are not PSS and SSS signal, then subscriber equipment is expanded the down-going synchronous and the measurement of carrier wave through CRS or CSI-RS.All the other processes with above identical, repeat no more at this.
Instance 3: the carrier aggregation layoutprocedure of expanding carrier wave synchronously.
The base station obtain subscriber equipment to the expansion carrier wave synchronously, measurement and polymerizing power.Whether subscriber equipment has relevant ability can be arranged in advance, also can be that subscriber equipment reports to the base station.Subscriber equipment in the present embodiment can the support expanded carrier aggregation, and can polymerization expand carrier wave synchronously.
Suppose that subscriber equipment is needing only to send the CSI-RS signal on the expansion carrier wave of polymerization, does not have PSS, SSS and CRS signal:
The base station is that subscriber equipment carries out the carrier aggregation configuration; Be used to make user's device aggregation to expand carrier wave synchronously; Comprise the frequency that needs the expansion of polymerization carrier wave and PCI in the carrier information, dispose with the cell ID (frequency and PCI, perhaps cell index) of this expansion carrier synchronization and CSI-RS that should the expansion carrier wave.Wherein, with the cell ID of this expansion carrier synchronization can be frequency and PCI, or cell index has only when the sub-district with this expansion carrier synchronization is the current Serving cell of UE, just can use cell index.Subscriber equipment is received after the carrier information; To expand carrier aggregation and get up to carry out transfer of data; Promptly rely on and expand the down-going synchronous of the sub-district of carrier synchronization, the down-going synchronous of completion and expansion carrier wave is then according to the frequency and the PCI that expand carrier wave; Find the expansion carrier wave and receive its signal, accomplish the carrier aggregation of expansion carrier wave.
Instance 4: the carrier aggregation layoutprocedure of asynchronous expansion carrier wave.
The base station obtain subscriber equipment to the expansion carrier wave synchronously, measurement and polymerizing power.Whether subscriber equipment has relevant ability can be arranged in advance, also can be that subscriber equipment reports to the base station.Subscriber equipment in the present embodiment can polymerization the expansion carrier wave, and can the asynchronous expansion carrier wave of polymerization, can through CSI-RS expand carrier wave synchronously.
Suppose that subscriber equipment needs only to send the CSI-RS signal on the expansion carrier wave of polymerization, do not have PSS, SSS and CRS signal:
The base station is that subscriber equipment carries out carrier aggregation configuration, is used to make user's device aggregation to expand carrier wave synchronously, comprises the frequency that needs the expansion of polymerization carrier wave and the CSI-RS of PCI and this expansion carrier wave in the carrier information and disposes.Subscriber equipment is received after this carrier information, will expand carrier aggregation and get up to carry out transfer of data, promptly through frequency and PCI and completion of CSI-RS signal and the down-going synchronous of expanding carrier wave, and carries out the signal reception, accomplishes the carrier aggregation of expanding carrier wave.
If subscriber equipment sends PSS or SSS and CRS-RS signal on the expansion carrier wave that needs are measured.Then subscriber equipment is expanded the down-going synchronous of carrier wave through PSS or SSS, utilizes CSI-RS to measure, all the other processes with above identical, repeat no more at this.
If send CRS and CSI-RS signal on the expansion carrier wave that subscriber equipment need be measured, there is not the PSS/SSS signal, then subscriber equipment is expanded the down-going synchronous and the measurement of carrier wave through CRS or CSI-RS.All the other processes with above identical, repeat no more at this.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
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, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (34)
1. one kind is disposed the method for expanding carrier wave, it is characterized in that this method comprises:
Network equipment confirms to be the carrier information of the expansion carrier wave of user device configuration that wherein said carrier information comprises the sign of expand carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Said network equipment sends said carrier information to said subscriber equipment.
2. the method for claim 1 is characterized in that, said network equipment also comprised before said subscriber equipment sends said carrier information:
Said network equipment is confirmed said subscriber equipment support expanded carrier synchronization; Or
Said network equipment confirms that said expansion carrier wave is to expand carrier wave synchronously.
3. method as claimed in claim 2 is characterized in that, if need expand carrier aggregation; Said network equipment also comprised before said subscriber equipment sends said carrier information:
Said network equipment is confirmed said subscriber equipment support expanded carrier aggregation.
4. method as claimed in claim 2 is characterized in that, measures if need expand carrier wave; Said network equipment also comprised before said subscriber equipment sends said carrier information:
Said network equipment is confirmed said subscriber equipment support expanded carrier wave measurement.
5. the method for claim 1 is characterized in that, the sign of said expansion carrier wave is the frequency and the sub-district physical label PCI of expansion carrier wave.
6. the method for claim 1 is characterized in that, said network equipment confirms that the carrier information of expansion carrier wave also comprises:
If said expansion carrier wave is to expand carrier wave synchronously, the sign of the synchronized cells that said network equipment is corresponding with said expansion carrier wave places said carrier information.
7. method as claimed in claim 6 is characterized in that, the sign of said synchronized cells is frequency and PCI, or the UMTS land radio access web cellular global identity ECGI of evolution, or cell ID.
8. like claim 1 or 6 described methods, it is characterized in that said network equipment confirms that the carrier information of expansion carrier wave comprises:
Said network equipment is through X2 interface or operation and safeguard that O&M equipment obtains the carrier information of the expansion carrier wave of adjacent networks side apparatus.
9. like the arbitrary described method of claim 1～7, it is characterized in that said method also comprises:
In handoff procedure, if said network equipment is the objective network side apparatus, and comprise the expansion carrier wave in the Target cell, the carrier information that said network equipment will be expanded carrier wave places switching command.
10. like the arbitrary described method of claim 1～7, it is characterized in that said method also comprises:
If said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, said network equipment is according to the configuration information that the reference symbol of confirming said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, said network equipment is according to the sign of confirming said expansion carrier wave is set in advance.
11. a method of expanding carrier wave synchronously is characterized in that this method comprises:
Subscriber equipment receives the carrier information from the expansion carrier wave of network side, and wherein said carrier information comprises the sign of expanding carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Said subscriber equipment carries out down-going synchronous according to said carrier information with the expansion carrier wave.
12. method as claimed in claim 11 is characterized in that, said subscriber equipment carries out down-going synchronous with the expansion carrier wave and comprises:
Said subscriber equipment is confirmed said expansion carrier wave according to the sign of said expansion carrier wave, and according to the configuration information of said reference symbol, carries out down-going synchronous with the expansion carrier wave.
13. method as claimed in claim 11 is characterized in that, said carrier information also comprises: the sign of synchronized cells; Said subscriber equipment carries out down-going synchronous with the expansion carrier wave and comprises:
Said subscriber equipment is confirmed synchronized cells according to the sign of synchronized cells;
Said subscriber equipment and synchronized cells carry out down-going synchronous, and completion is synchronous with the expansion carrier wave.
14. method as claimed in claim 11 is characterized in that, said subscriber equipment carries out also comprising after the down-going synchronous with the expansion carrier wave:
Said subscriber equipment is measured said expansion carrier wave according to the configuration information of said reference symbol.
15., it is characterized in that said reference symbol is master sync signal PSS or auxiliary synchronous signals SSS or common pilot signal CRS or channel condition information pilot signal CSI-RS like claim 13 or 14 described methods.
16., it is characterized in that said subscriber equipment carries out also comprising after the down-going synchronous with the expansion carrier wave like the arbitrary described method of claim 11～14:
Said subscriber equipment carries out carrier aggregation to said expansion carrier wave.
17. like the arbitrary described method of claim 11～14, it is characterized in that, also comprise before the said subscriber equipment reception carrier information:
Said subscriber equipment adopts display mode or implicit expression mode to report the polymerizing power of expansion carrier wave and/or the measurement capability of expansion carrier wave based on subscriber equipment or based on frequency range or based on the frequency range combination.
18., it is characterized in that said method also comprises like the arbitrary described method of claim 11～14:
If said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, said subscriber equipment is according to the configuration information that the reference symbol of confirming said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, said subscriber equipment is according to the sign of confirming said expansion carrier wave is set in advance.
19. a network equipment that disposes the expansion carrier wave is characterized in that this network equipment comprises:
Determination module is used for confirming being the carrier information of the expansion carrier wave of user device configuration that wherein said carrier information comprises the sign of expand carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Sending module is used for sending said carrier information to said subscriber equipment.
20. network equipment as claimed in claim 19 is characterized in that, said determination module also is used for:
In definite said subscriber equipment support expanded carrier synchronization or after confirming that said expansion carrier wave is to expand carrier wave synchronously, trigger said sending module and send said carrier information to said subscriber equipment.
21. network equipment as claimed in claim 20 is characterized in that, if need expand carrier aggregation;
Said determination module also is used for:
After confirming said subscriber equipment support expanded carrier aggregation, trigger said sending module and send said carrier information to said subscriber equipment.
22. network equipment as claimed in claim 20 is characterized in that, measures if need expand carrier wave;
Said determination module also is used for:
After confirming that said subscriber equipment support expanded carrier wave is measured, trigger said sending module and send said carrier information to said subscriber equipment.
23. network equipment as claimed in claim 19 is characterized in that, said determination module also is used for:
If said expansion carrier wave is to expand carrier wave synchronously, the sign of the synchronized cells that said expansion carrier wave is corresponding places said carrier information.
24., it is characterized in that said determination module specifically is used for like claim 19 or 23 described network equipments:
Through X2 interface or operation with safeguard that O&M equipment obtains the carrier information of the expansion carrier wave of adjacent networks side apparatus.
25., it is characterized in that said determination module also is used for like the arbitrary described network equipment of claim 19～23:
In handoff procedure, if said network equipment is the objective network side apparatus, and comprise the expansion carrier wave in the Target cell, the carrier information of expanding carrier wave is placed switching command.
26., it is characterized in that said determination module also is used for like the arbitrary described network equipment of claim 19～23:
If said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, according to the configuration information that the reference symbol of confirming said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, according to the sign of confirming said expansion carrier wave is set in advance.
27. a subscriber equipment of expanding carrier wave synchronously is characterized in that this subscriber equipment comprises:
Receiver module is used to receive the carrier information from the expansion carrier wave of network side, and wherein said carrier information comprises the sign of expanding carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Processing module is used for according to said carrier information, carries out down-going synchronous with the expansion carrier wave.
28. subscriber equipment as claimed in claim 27 is characterized in that, said processing module specifically is used for:
Confirm said expansion carrier wave according to the sign of said expansion carrier wave, and, carry out down-going synchronous with the expansion carrier wave according to the configuration information of said reference symbol.
29. subscriber equipment as claimed in claim 27 is characterized in that, said carrier information also comprises: the sign of synchronized cells; Said processing module specifically is used for:
Sign according to synchronized cells is confirmed synchronized cells, carries out down-going synchronous with synchronized cells, and completion is synchronous with the expansion carrier wave.
30. subscriber equipment as claimed in claim 27 is characterized in that, said processing module also is used for:
Carry out according to the configuration information of said reference symbol, said expansion carrier wave being measured after the down-going synchronous with the expansion carrier wave.
31., it is characterized in that said processing module also is used for like the arbitrary described subscriber equipment of claim 27～30:
Carry out said expansion carrier wave being carried out carrier aggregation after the down-going synchronous with the expansion carrier wave.
32., it is characterized in that said processing module also is used for like the arbitrary described subscriber equipment of claim 27～30:
Based on subscriber equipment or based on frequency range or based on the frequency range combination, adopt display mode or implicit expression mode to report the polymerizing power of expansion carrier wave and/or the measurement capability of expansion carrier wave.
33., it is characterized in that said processing module also is used for like the arbitrary described subscriber equipment of claim 27～30:
If said carrier information does not comprise the configuration information of the reference symbol of said expansion carrier wave, according to the configuration information that the reference symbol of confirming said expansion carrier wave is set in advance;
If said carrier information does not comprise the sign of said expansion carrier wave, according to the sign of confirming said expansion carrier wave is set in advance.
34. a system that expands carrier wave synchronously is characterized in that this system comprises:
Network equipment is used for confirming and need sends said carrier information to said subscriber equipment for the carrier information of the expansion carrier wave of user device configuration that wherein said carrier information comprises the sign of expand carrier wave and/or the configuration information of expanding the reference symbol of carrier wave;
Subscriber equipment is used to receive the carrier information from the expansion carrier wave of network side, according to said carrier information, carries out down-going synchronous with the expansion carrier wave.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210055862.5A CN102612133B (en) | 2012-02-20 | 2012-03-05 | Method, system and equipment for configuring and synchronizing expanded carriers |
| PCT/CN2013/071670 WO2013123872A1 (en) | 2012-02-20 | 2013-02-19 | Method, system and device for configuring and synchronizing extension carrier |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100401563 | 2012-02-20 | ||
| CN201210040156 | 2012-02-20 | ||
| CN201210040156.3 | 2012-02-20 | ||
| CN201210055862.5A CN102612133B (en) | 2012-02-20 | 2012-03-05 | Method, system and equipment for configuring and synchronizing expanded carriers |
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| Publication Number | Publication Date |
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| CN102612133A true CN102612133A (en) | 2012-07-25 |
| CN102612133B CN102612133B (en) | 2015-07-22 |
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| CN201210055862.5A Active CN102612133B (en) | 2012-02-20 | 2012-03-05 | Method, system and equipment for configuring and synchronizing expanded carriers |
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| WO (1) | WO2013123872A1 (en) |
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| CN108282806A (en) * | 2017-01-05 | 2018-07-13 | 华为技术有限公司 | A kind of signal measurement method, network side equipment and user equipment |
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| CN110381553B (en) * | 2017-11-16 | 2020-09-08 | 华为技术有限公司 | Communication method, communication device and computer readable storage medium |
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Also Published As
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| CN102612133B (en) | 2015-07-22 |
| WO2013123872A1 (en) | 2013-08-29 |
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