CN103517288A - Data transmission information acquisition method and device - Google Patents
Data transmission information acquisition method and device Download PDFInfo
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- CN103517288A CN103517288A CN201210208471.2A CN201210208471A CN103517288A CN 103517288 A CN103517288 A CN 103517288A CN 201210208471 A CN201210208471 A CN 201210208471A CN 103517288 A CN103517288 A CN 103517288A
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Abstract
The embodiment of the invention discloses a data transmission information acquisition method and a device. The method comprises the following steps: by measuring first channel state information reference signal CSI-RS ports configured at a base station, user equipment acquires downlink timing respectively corresponding to at least one port of the first CSI-RS ports; then, timing information, which includes downlink timing respectively corresponding to the at least a first CSI-RS port and downlink timing used by the user equipment for current data transmission, or difference value respectively between the downlink timing corresponding to the at least a first CSI-RS port and the downlink timing used by the user equipment for current data transmission, is sent to the base station; and finally, the user equipment receives a specialized message sent by the base station. The invention is suitable for the field of a communication system.
Description
Technical field
The present invention relates to field of wireless communications, particularly a kind of acquisition methods of data transmission information and device.
Background technology
At LTE(Long Term Evolution, Long Term Evolution) R11(version 11) in, will introduce a kind of new operation scene, coordinate multipoint, is called for short CoMP (coordinated multi-point).The main benefit of carrying out cooperative multipoint transmission is to improve the speed of transfer of data.At present, there are four kinds of concrete scenes, are respectively CoMP in homogenous networks website; The homogeneous network with high power RRH (far-end without the end of a thread, remote radio heads); The heterogeneous network scene with low-power RRH, is divided into again Microcell and macrocell and has respectively independently cell ID and provide service two kinds of situations for subscriber equipment provides service and Microcell and macrocell to share a cell ID for subscriber equipment under this scene.
Yet, in the time of in the firm access network of subscriber equipment, no matter subscriber equipment is supported CoMP pattern, subscriber equipment all can obtain descending timing according to the common reference signal sending of macrocell and Microcell, but can not obtain subscriber equipment for the accurate transmit timing of different channels state information reference signals CSI-RS port.So subscriber equipment is when carrying out the transmission of CoMP pattern, prior art can't be determined suitable CSI-RS port for subscriber equipment and carry out transfer of data, and can not on different CSI-RS ports, determine descending timing accurately and up timing for subscriber equipment and carry out transfer of data.
Summary of the invention
The embodiment of the present invention provides a kind of acquisition methods and device of data transmission information, when obtaining the needed CSI-RS port of subscriber equipment access network under cooperative multipoint transmission pattern, can also get subscriber equipment when carrying out transfer of data, the up timing that each CSI-RS port is corresponding and descending timing.
The technical scheme that the embodiment of the present invention adopts is:
An acquisition methods for data transmission information, comprising:
Subscriber equipment, by measuring at least one first channel state information reference signals CSI-RS port of base station configuration, obtains descending timing corresponding to described at least one CSI-RS port difference;
Described subscriber equipment sends timing information to described base station, described timing information comprises: the corresponding descending timing and described subscriber equipment is current carries out the descending timing that transfer of data is used respectively of described at least one CSI-RS port, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment;
Described subscriber equipment receives the specific messages that described base station sends, and it is the information that the definite described subscriber equipment of described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data based on described timing information that described specific messages comprises described base station.
An acquisition device for data transmission information, comprising:
The first acquiring unit, for by measuring at least one first channel state information reference signals CSI-RS port of base station configuration, obtains descending timing corresponding to described at least one CSI-RS port difference;
Transmitting element, for sending timing information to described base station, described timing information comprises: the corresponding descending timing and described subscriber equipment is current carries out the descending timing that transfer of data is used respectively of described at least one CSI-RS port, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment;
Receiving element, the specific messages sending for receiving described base station, the information that described specific messages comprises at least one the 2nd CSI-RS port that carries out transfer of data of determining based on described timing information described base station.
The acquisition methods of another kind of data transmission information, comprising:
Subscriber equipment is measured at least one first channel state information reference signals CSI-RS port of base station configuration, and obtains the descending timing of correspondence respectively of described at least one CSI-RS port;
Described subscriber equipment receives the corresponding up timing adjustment amount respectively of each CSI-RS port in described at least one CSI-RS port that described base station sends;
When the judgement of described subscriber equipment exists the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than at least one the 2nd CSI-RS port of preset difference value in described at least one CSI-RS port, described subscriber equipment, according to the descending timing corresponding to described at least one the 2nd CSI-RS port of up timing adjustment amount corresponding to described at least one the 2nd CSI-RS port and measurement, carries out transfer of data on described at least one the 2nd CSI-RS port.
The acquisition device of another kind of data transmission information, comprising:
The first acquiring unit, for measuring respectively at least one first channel state information reference signals CSI-RS port of base station configuration, and obtains the descending timing of correspondence respectively of described at least one CSI-RS port;
Receiving element, up timing adjustment amount corresponding to each CSI-RS port difference of described at least one CSI-RS port sending for receiving described base station;
Transmission unit, for when judging when described at least one CSI-RS port exists the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than at least one the 2nd CSI-RS port of preset difference value, according to the descending timing corresponding to described at least one the 2nd CSI-RS port of up timing adjustment amount corresponding to described at least one the 2nd CSI-RS port and measurement, on described at least one the 2nd CSI-RS port, carry out transfer of data.
The acquisition methods of another data transmission information, comprising:
Base station is at least one first channel state information reference signals CSI-RS port of user device configuration;
Described base station receives the timing information that described subscriber equipment sends, described timing information comprises: the descending timing that described at least one CSI-RS port is corresponding and described subscriber equipment are current carries out the descending timing that transfer of data is used, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment;
Described base station determines that according to described timing information described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data, and sending specific messages to described subscriber equipment, described specific messages comprises the information that the described subscriber equipment of determining described base station carries out at least one the 2nd CSI-RS port of transfer of data.
The acquisition device of another data transmission information, comprising:
Dispensing unit, is used at least one first channel state information reference signals CSI-RS port of user device configuration;
Receiving element, the timing information sending for receiving described subscriber equipment, described timing information comprises: the descending timing that described at least one CSI-RS port is corresponding and described subscriber equipment are current carries out the descending timing that transfer of data is used, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment;
Determining unit, for determining that according to described timing information described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data, and sending specific messages to described subscriber equipment, described specific messages comprises the information that the described subscriber equipment of determining described base station carries out at least one the 2nd CSI-RS port of transfer of data.
The acquisition methods of the data transmission information that the embodiment of the present invention provides and device, subscriber equipment is by measuring at least one first channel state information reference signals CSI-RS port of base station configuration, obtain the descending timing of correspondence respectively of described at least one port, then to described base station, send timing information, described timing information comprises: the corresponding descending timing and described subscriber equipment is current carries out the descending timing that transfer of data is used respectively of described at least one CSI-RS port, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment, last described subscriber equipment receives the specific messages that described base station sends, it is the information that the definite described subscriber equipment of described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data based on described timing information that described specific messages comprises described base station.Prior art can not be determined suitable CSI-RS port for subscriber equipment and carry out transfer of data, and can not on different CSI-RS ports, determine descending timing accurately and up timing for subscriber equipment and carry out transfer of data.The embodiment of the present invention is by the information interaction of subscriber equipment and base station, when obtaining the needed CSI-RS port of subscriber equipment access network under cooperative multipoint transmission pattern, can also get subscriber equipment when carrying out transfer of data, the up timing that each CSI-RS port is corresponding and descending timing.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The acquisition methods flow chart of a kind of data transmission information that Fig. 1 provides for the embodiment of the present invention;
The acquisition device structural representation of a kind of data transmission information that Fig. 2 provides for the embodiment of the present invention;
The acquisition methods flow chart of the another kind of data transmission information that Fig. 3 provides for the embodiment of the present invention;
The acquisition device structural representation of the another kind of data transmission information that Fig. 4 provides for the embodiment of the present invention;
The acquisition methods flow chart of another data transmission information that Fig. 5 provides for the embodiment of the present invention;
The acquisition device structural representation of another data transmission information that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
For making the advantage of technical solution of the present invention clearer, below in conjunction with drawings and Examples, the present invention is elaborated.
The present embodiment provides a kind of acquisition methods of data transmission information, and as shown in Figure 1, described method comprises:
101, subscriber equipment, by measuring at least one first channel state information reference signals CSI-RS port of base station configuration, obtains descending timing corresponding to described at least one CSI-RS port difference.
Wherein, a described CSI-RS port can be the CSI-RS port under cooperative multipoint transmission pattern, can be also the CSI-RS port under other patterns.
102, described subscriber equipment sends timing information to described base station.
Wherein, described timing information comprises: the corresponding descending timing and described subscriber equipment is current carries out the descending timing that transfer of data is used respectively of described at least one CSI-RS port, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment.
Further, so that described base station determines that according to the timing information obtaining subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data.
103, described subscriber equipment receives the specific messages that described base station sends, and it is the information that the definite described subscriber equipment of described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data based on described timing information that described specific messages comprises described base station.
Wherein, described the 2nd CSI-RS port is the CSI-RS port under cooperative multipoint transmission pattern, the information of described at least one the 2nd CSI-RS port comprises the port sequence number information of each the 2nd CSI-RS port in the descending timing corresponding with each the 2nd CSI-RS port difference in described at least one the 2nd CSI-RS port and/or up timing and/or described at least one the 2nd CSI-RS port, wherein, the port sequence number information of described each the 2nd CSI-RS port is used for identifying concrete corresponding which the 2nd CSI-RS port of the descending timing of described difference.
Alternatively, described subscriber equipment obtains up timing adjustment amount corresponding to each CSI-RS port difference in described at least one the 2nd CSI-RS port by random access RA; Described subscriber equipment is according to up timing adjustment amount and the descending timing of correspondence respectively of described each CSI-RS port of correspondence respectively of described each CSI-RS port, in the transmission of the enterprising row data of described each CSI-RS port.
The present embodiment provides a kind of acquisition device of data transmission information, and as shown in Figure 2, described device comprises: the first acquiring unit 21, transmitting element 22, receiving element 23, second acquisition unit 24, transmission unit 25.Described device can be processor, is positioned at user equipment (UE).
The first acquiring unit 21, by measuring at least one first channel state information reference signals CSI-RS port of base station configuration, obtains the descending timing of correspondence respectively of described at least one CSI-RS port.
Transmitting element 22, can be for sending timing information to described base station.
Wherein, described timing information comprises: the corresponding descending timing and described subscriber equipment is current carries out the descending timing that transfer of data is used respectively of described at least one CSI-RS port, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment.
Receiving element 23, the specific messages that can send for receiving described base station, the information that described specific messages comprises at least one the 2nd CSI-RS port that carries out transfer of data of determining based on described timing information described base station.
Wherein, described timing reference information is the descending timing acquisition of descending timing corresponding to described each transfer point of sending by described transmitting element of described base station and the current correspondence of described subscriber equipment, the information of described at least one the 2nd CSI-RS port comprises the port sequence number information of each the 2nd CSI-RS port in the descending timing corresponding with each the 2nd CSI-RS port difference in described at least one the 2nd CSI-RS port and/or up timing and/or described at least one the 2nd CSI-RS port, wherein, the port sequence number information of described each the 2nd CSI-RS port is used for identifying concrete corresponding which the 2nd CSI-RS port of the descending timing of described difference.
Described device can also comprise: second acquisition unit 24, transmission unit 25.
The present embodiment provides the acquisition methods of another kind of data transmission information, and as shown in Figure 3, described method comprises:
301, subscriber equipment is measured at least one first channel state information reference signals CSI-RS port of base station configuration, and obtains the descending timing of correspondence respectively of described at least one CSI-RS port.
Wherein, a described CSI-RS port can be the CSI-RS port under cooperative multipoint transmission pattern, can be also the CSI-RS port under other patterns.
302, described subscriber equipment receives the corresponding up timing adjustment amount respectively of each CSI-RS port in described at least one CSI-RS port that described base station sends.
Wherein, the signal that base station sends by receiving at least one CSI-RS port, described signal can be the logical reference signal SRS of up spy, and then the up timing adjustment amount that at least one CSI-RS port is corresponding can be determined according to the SRS receiving at least one CSI-RS port in base station.
303a, when the judgement of described subscriber equipment exists the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than at least one the 2nd CSI-RS port of preset difference value in described at least one CSI-RS port, described subscriber equipment, according to the descending timing corresponding to described at least one the 2nd CSI-RS port of up timing adjustment amount corresponding to described at least one the 2nd CSI-RS port and measurement, carries out transfer of data on described at least one the 2nd CSI-RS port.
Wherein, described subscriber equipment can be by obtaining up timing by described up timing adjustment amount and described descending timing summation.
303b, when the judgement of described subscriber equipment does not exist the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than the port of preset difference value in described at least one CSI-RS port, described subscriber equipment obtains the corresponding up timing adjustment amount respectively of each the 2nd CSI-RS port at least one the 2nd CSI-RS port that the described subscriber equipment of determining from described at least one CSI-RS port described base station carries out transfer of data by random access RA.
304b, described subscriber equipment are according to up timing adjustment amount and the descending timing of correspondence respectively of described each the 2nd CSI-RS port of correspondence respectively of described at least one the 2nd CSI-RS port, in the transmission of the enterprising row data of described each the 2nd CSI-RS port.
Wherein, described the 2nd CSI-RS port is the CSI-RS port under cooperative multipoint transmission pattern.
The present embodiment provides the acquisition device of another kind of data transmission information, and as shown in Figure 4, described device comprises: the first acquiring unit 41, receiving element 42, transmission unit 43, second acquisition unit 44.Described device can be processor, is positioned at user equipment (UE).
The first acquiring unit 41, at least one first channel state information reference signals CSI-RS port that can configure for measuring respectively base station, and obtain the descending timing of correspondence respectively of described at least one CSI-RS port.
Receiving element 42, can be for receiving the corresponding up timing adjustment amount respectively of each CSI-RS port in described at least one CSI-RS port that described base station sends.
The present embodiment provides the acquisition methods of another data transmission information, and as shown in Figure 5, described method comprises:
501, base station is at least one first channel state information reference signals CSI-RS port of user device configuration.
Wherein, a described CSI-RS port can be the CSI-RS port under cooperative multipoint transmission pattern, can be also the CSI-RS port under other patterns.
502, described base station receives the timing information that described subscriber equipment sends.
Wherein, described timing information comprises: the descending timing that described at least one CSI-RS port is corresponding and described subscriber equipment are current carries out the descending timing that transfer of data is used, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment.
503, described base station determines that according to described timing information described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data, and sends specific messages to described subscriber equipment.
Wherein, described specific messages comprises the information that the described subscriber equipment of determining described base station carries out at least one the 2nd CSI-RS port of transfer of data, and described the 2nd CSI-RS port is the CSI-RS port under cooperative multipoint transmission pattern.
Particularly, described base station determines that at least one the CSI-RS port that exists the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than preset difference value in described at least one CSI-RS port is described at least one the 2nd CSI-RS port; Then described base station sends described corresponding descending timing and/or the up timing adjustment amount of at least one the 2nd CSI-RS port to described subscriber equipment.
Alternatively, the CSI-RS port that does not exist the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than preset difference value in described at least one CSI-RS port is determined in described base station, then described base station is that described user device configuration is carried out at least one the 2nd CSI-RS port of transfer of data for subscriber equipment, and indicates described subscriber equipment on described at least one the 2nd CSI-RS port, to carry out random access to obtain the up timing corresponding with described at least one the 2nd CSI-RS port difference.
Further, so that described subscriber equipment carries out transfer of data according to described specific messages.
The present embodiment provides the acquisition device of another data transmission information, and as shown in Figure 6, described device comprises: dispensing unit 61, receiving element 62, determining unit 63.Described device can be processor, is positioned at base station (eNodeB).
Dispensing unit 61, can be used at least one first channel state information reference signals CSI-RS port of user device configuration.
Receiving element 62, the timing information that can send for receiving described subscriber equipment.
Wherein, described timing information comprises: the descending timing that described at least one CSI-RS port is corresponding and described subscriber equipment are current carries out the descending timing that transfer of data is used, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment.
Determining unit 63, can be for determining that according to described timing information described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data, and sending specific messages to described subscriber equipment, described specific messages comprises the information that the described subscriber equipment of determining described base station carries out at least one the 2nd CSI-RS port of transfer of data.
Described determining unit 63 specifically can comprise: determination module 6301, sending module 6302.
Sending module 6302, can be for sending described corresponding descending timing and/or the up timing adjustment amount of at least one the 2nd CSI-RS port to described subscriber equipment.
Sending module 6302, can also be used to described user device configuration for subscriber equipment, to carry out at least one the 2nd CSI-RS port of transfer of data, and indicate described subscriber equipment on described at least one the 2nd CSI-RS port, to carry out random access to obtain the up timing corresponding with described at least one the 2nd CSI-RS port difference.
The acquisition methods of the data transmission information that the embodiment of the present invention provides and device, subscriber equipment is by measuring the first channel state information reference signals CSI-RS port of base station configuration, obtain at least one port descending timing of correspondence respectively in a described CSI-RS port, then to described base station, send timing information, described timing information comprises: the corresponding descending timing and described subscriber equipment is current carries out the descending timing that transfer of data is used respectively of described at least one CSI-RS port, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment, last described subscriber equipment receives the specific messages that described base station sends, described specific messages comprises the information that the described subscriber equipment of determining described base station carries out at least one the 2nd CSI-RS port of transfer of data.Prior art can not be determined suitable CSI-RS port for subscriber equipment and carry out transfer of data, and can not on different CSI-RS ports, determine descending timing accurately and up timing for subscriber equipment and carry out transfer of data.The embodiment of the present invention is by the information interaction of subscriber equipment and base station, when obtaining the needed CSI-RS port of subscriber equipment access network under cooperative multipoint transmission pattern, can also get subscriber equipment when carrying out transfer of data, the up timing that each CSI-RS port is corresponding and descending timing.
The above-mentioned embodiment of the method providing can be provided the acquisition device of the data transmission information that the embodiment of the present invention provides, and concrete function is realized and referred to the explanation in embodiment of the method, does not repeat them here.Acquisition methods and the device of the data transmission information that the embodiment of the present invention provides go for field of wireless communications, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (18)
1. an acquisition methods for data transmission information, is characterized in that, comprising:
Subscriber equipment, by measuring at least one first channel state information reference signals CSI-RS port of base station configuration, obtains descending timing corresponding to described at least one CSI-RS port difference;
Described subscriber equipment sends timing information to described base station, described timing information comprises: the corresponding descending timing and described subscriber equipment is current carries out the descending timing that transfer of data is used respectively of described at least one CSI-RS port, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment;
Described subscriber equipment receives the specific messages that described base station sends, and it is the information that the definite described subscriber equipment of described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data based on described timing information that described specific messages comprises described base station.
2. the acquisition methods of data transmission information according to claim 1, it is characterized in that, the information of described at least one the 2nd CSI-RS port comprises: descending timing and/or the up timing corresponding with each the 2nd CSI-RS port difference in described at least one the 2nd CSI-RS port.
3. the acquisition methods of data transmission information according to claim 2, is characterized in that, the information of described at least one the 2nd CSI-RS port also comprises:
The port sequence number information of each the 2nd CSI-RS port in described at least one the 2nd CSI-RS port.
4. the acquisition methods of data transmission information according to claim 1 and 2, is characterized in that, also comprises:
Described subscriber equipment obtains up timing adjustment amount corresponding to each CSI-RS port difference in described at least one the 2nd CSI-RS port by random access RA;
Described subscriber equipment, according to up timing adjustment amount and the descending timing of correspondence respectively of described each CSI-RS port of correspondence respectively of described each CSI-RS port, carries out transfer of data on described each CSI-RS port.
5. an acquisition methods for data transmission information, is characterized in that, comprising:
Subscriber equipment is measured at least one first channel state information reference signals CSI-RS port of base station configuration, and obtains the descending timing of correspondence respectively of described at least one CSI-RS port;
Described subscriber equipment receives the corresponding up timing adjustment amount respectively of each CSI-RS port in described at least one CSI-RS port that described base station sends;
When the judgement of described subscriber equipment exists the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than at least one the 2nd CSI-RS port of preset difference value in described at least one CSI-RS port, described subscriber equipment, according to the descending timing corresponding to described at least one the 2nd CSI-RS port of up timing adjustment amount corresponding to described at least one the 2nd CSI-RS port and measurement, carries out transfer of data on described at least one the 2nd CSI-RS port.
6. the acquisition methods of data transmission information according to claim 5, is characterized in that, also comprises:
When the judgement of described subscriber equipment is described while not existing the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than the port of preset difference value at least one CSI-RS port, described subscriber equipment obtains at least one the 2nd CSI-RS port that the described subscriber equipment of determining from described at least one CSI-RS port described base station carries out transfer of data up timing adjustment amount of correspondence respectively by random access RA;
Described subscriber equipment is according to up timing adjustment amount and the descending timing of correspondence respectively of described each the 2nd CSI-RS port of correspondence respectively of described at least one the 2nd CSI-RS port, in the transmission of the enterprising row data of described each the 2nd CSI-RS port.
7. an acquisition methods for data transmission information, is characterized in that, comprising:
Base station is at least one first channel state information reference signals CSI-RS port of user device configuration;
Described base station receives the timing information that described subscriber equipment sends, described timing information comprises: the descending timing that described at least one CSI-RS port is corresponding and described subscriber equipment are current carries out the descending timing that transfer of data is used, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment;
Described base station determines that according to described timing information described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data, and sending specific messages to described subscriber equipment, described specific messages comprises the information that the described subscriber equipment of determining described base station carries out at least one the 2nd CSI-RS port of transfer of data.
8. the acquisition methods of data transmission information according to claim 7, is characterized in that, described base station determines that according to described timing information described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data, comprising:
Described base station determines that at least one the CSI-RS port that exists the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than preset difference value in described at least one CSI-RS port is described at least one the 2nd CSI-RS port;
Describedly to described subscriber equipment, send specific messages and comprise:
Described base station sends described corresponding descending timing and/or the up timing adjustment amount of at least one the 2nd CSI-RS port to described subscriber equipment.
9. the acquisition methods of data transmission information according to claim 8, is characterized in that, also comprises:
The CSI-RS port that does not exist the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than preset difference value in described at least one CSI-RS port is determined in described base station;
Described base station is that described user device configuration is carried out at least one the 2nd CSI-RS port of transfer of data for subscriber equipment, and indicates described subscriber equipment on described at least one the 2nd CSI-RS port, to carry out random access to obtain the up timing corresponding with described at least one the 2nd CSI-RS port difference.
10. an acquisition device for data transmission information, is characterized in that, comprising:
The first acquiring unit, for by measuring at least one first channel state information reference signals CSI-RS port of base station configuration, obtains descending timing corresponding to described at least one CSI-RS port difference;
Transmitting element, for sending timing information to described base station, described timing information comprises: the corresponding descending timing and described subscriber equipment is current carries out the descending timing that transfer of data is used respectively of described at least one CSI-RS port, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment;
Receiving element, the specific messages sending for receiving described base station, the information that described specific messages comprises at least one the 2nd CSI-RS port that carries out transfer of data of determining based on described timing information described base station.
The acquisition device of 11. data transmission information according to claim 10, it is characterized in that, the information of described at least one the 2nd CSI-RS port comprises descending timing and/or the up timing corresponding with each the 2nd CSI-RS port difference in described at least one the 2nd CSI-RS port.
The acquisition device of 12. data transmission information according to claim 11, is characterized in that, the information of described at least one the 2nd CSI-RS port also comprises:
Port sequence number information corresponding to each the 2nd CSI-RS port difference in described at least one the 2nd CSI-RS port.
13. according to the acquisition device of the data transmission information described in claim 11 or 10, it is characterized in that, also comprises:
Second acquisition unit, for obtaining described each CSI-RS port of at least one the 2nd CSI-RS port up timing adjustment amount of correspondence respectively by random access RA;
Transmission unit, for distinguish corresponding up timing adjustment amount and the descending timing of correspondence respectively of described each CSI-RS port according to described each CSI-RS port, in the transmission of the enterprising row data of described each CSI-RS port.
The acquisition device of 14. 1 kinds of data transmission information, is characterized in that, comprising:
The first acquiring unit, for measuring respectively at least one first channel state information reference signals CSI-RS port of base station configuration, and obtains the descending timing of correspondence respectively of described at least one CSI-RS port;
Receiving element, up timing adjustment amount corresponding to each CSI-RS port difference of described at least one CSI-RS port sending for receiving described base station;
Transmission unit, for when judging when described at least one CSI-RS port exists the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than at least one the 2nd CSI-RS port of preset difference value, according to the descending timing corresponding to described at least one the 2nd CSI-RS port of up timing adjustment amount corresponding to described at least one the 2nd CSI-RS port and measurement, on described at least one the 2nd CSI-RS port, carry out transfer of data.
The acquisition device of 15. data transmission information according to claim 14, is characterized in that, also comprises:
Second acquisition unit, when not existing the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than the port of preset difference value when described at least one the CSI-RS port of judgement, by random access RA, obtain at least one the 2nd CSI-RS port that the described subscriber equipment of determining described base station carries out transfer of data each the 2nd CSI-RS port up timing adjustment amount of correspondence respectively from described at least one CSI-RS port.
The acquisition device of 16. 1 kinds of data transmission information, is characterized in that, comprising:
Dispensing unit, is used at least one first channel state information reference signals CSI-RS port of user device configuration;
Receiving element, the timing information sending for receiving described subscriber equipment, described timing information comprises: the descending timing that described at least one CSI-RS port is corresponding and described subscriber equipment are current carries out the descending timing that transfer of data is used, or descending timing corresponding to described at least one CSI-RS port respectively with the current difference of carrying out the descending timing that transfer of data used of described subscriber equipment;
Determining unit, for determining that according to described timing information described subscriber equipment carries out at least one the 2nd CSI-RS port of transfer of data, and sending specific messages to described subscriber equipment, described specific messages comprises the information that the described subscriber equipment of determining described base station carries out at least one the 2nd CSI-RS port of transfer of data.
The acquisition device of 17. data transmission information according to claim 16, is characterized in that, described determining unit comprises:
Determination module, for determining that at least one the CSI-RS port that exists the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than preset difference value at described at least one CSI-RS port is described at least one the 2nd CSI-RS port;
Sending module, for sending described corresponding descending timing and/or the up timing adjustment amount of at least one the 2nd CSI-RS port to described subscriber equipment.
The acquisition device of 18. data transmission information according to claim 17, is characterized in that,
Described determination module, does not also exist the current difference of carrying out the descending timing that transfer of data used of descending timing and described subscriber equipment to be less than the CSI-RS port of preset difference value for determining at described at least one CSI-RS port;
Described sending module, also be used to described user device configuration for subscriber equipment, to carry out at least one the 2nd CSI-RS port of transfer of data, and indicate described subscriber equipment on described at least one the 2nd CSI-RS port, to carry out random access to obtain the up timing corresponding with described at least one the 2nd CSI-RS port difference.
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| CN103517288B (en) | 2017-08-11 |
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