CN103517288B - The acquisition methods and device of data transmission information - Google Patents
The acquisition methods and device of data transmission information Download PDFInfo
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- CN103517288B CN103517288B CN201210208471.2A CN201210208471A CN103517288B CN 103517288 B CN103517288 B CN 103517288B CN 201210208471 A CN201210208471 A CN 201210208471A CN 103517288 B CN103517288 B CN 103517288B
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Abstract
The embodiment of the invention discloses a kind of acquisition methods of data transmission information and device, methods described includes：User equipment obtains at least one port in the first CSI RS ports and distinguishes corresponding descending timing, then send timing information to the base station, the timing information includes by measuring the first channel state information reference signals CSI RS ports that base station is configured：Corresponding descending timing and the user equipment currently carry out data transmission used descending timing respectively at least one described the first CSI RS port, or at least one described corresponding descending timing in the first CSI RS ports currently carries out data transmission the difference of used descending timing with the user equipment respectively, the last user equipment receives the specific messages that the base station is sent, and the present invention is applied to field of wireless communications.
Description
Technical field
The present invention relates to field of wireless communications, the acquisition methods and device of more particularly to a kind of data transmission information.
Background technology
In LTE（Long Term Evolution, Long Term Evolution）R11（Version 11）In, it is introduced into a kind of new operation
Scape, i.e. coordinate multipoint, abbreviation CoMP (coordinated multi-point).The key benefit for performing cooperative multipoint transmission exists
In the speed of data transfer can be improved.At present, there are four kinds of specific scenes, respectively CoMP in isomorphism web site；With height
Power RRH (distally without the end of a thread, remote radio heads）Homogeneous network；Heterogeneous network scene with low-power RRH,
Being divided into Microcell and macrocell under the scene again respectively there is independent cell ID to provide service and Microcell for user equipment
There is provided service two kinds of situations for user equipment with the shared cell ID of macrocell.
However, when in the firm access network of user equipment, no matter user equipment supports CoMP patterns, Yong Hushe
The standby reference signal that all can be jointly sent according to macrocell and Microcell obtains descending timing, but can not obtain user equipment
For the accurate delivery timing of different channels state information reference signals CSI-RS ports.So user equipment is carrying out CoMP moulds
When the transmission of formula, prior art can't determine that suitable CSI-RS ports carry out data transmission for user equipment, and
It can not determine that accurate descending timing and up timing carry out data transmission on different CSI-RS ports for user equipment.
The content of the invention
The embodiment of the present invention provides a kind of acquisition methods and device of data transmission information, is obtaining user equipment in cooperation
Under multicast communication pattern while CSI-RS ports required for access network, user equipment can also be got and carrying out data
During transmission, the corresponding up timing in each CSI-RS port and descending timing.
The technical scheme that the embodiment of the present invention is used for：
A kind of acquisition methods of data transmission information, including：
User equipment by measure base station configure at least one first channel state information reference signals CSI-RS port,
Obtain at least one described the first CSI-RS port and distinguish corresponding descending timing；
The user equipment sends timing information to the base station, and the timing information includes：It is described at least one first
Corresponding descending timing and the user equipment currently carry out data transmission used descending timing respectively for CSI-RS ports, or
At least one corresponding descending timing in the first CSI-RS ports currently carries out data transmission with the user equipment respectively described in person
The difference of used descending timing；
The user equipment receives the specific messages that the base station is sent, and the specific messages are based on institute comprising the base station
State at least one the 2nd CSI-RS end that timing information carries out data transmission for the user equipment that the user equipment is determined
The information of mouth.
A kind of acquisition device of data transmission information, including：
First acquisition unit, for by measuring at least one first channel state information reference signals that base station is configured
CSI-RS ports, obtain at least one described the first CSI-RS port and distinguish corresponding descending timing；
Transmitting element, for sending timing information to the base station, the timing information includes：It is described at least one first
Corresponding descending timing and the user equipment currently carry out data transmission used descending timing respectively for CSI-RS ports, or
At least one corresponding descending timing in the first CSI-RS ports currently carries out data transmission with the user equipment respectively described in person
The difference of used descending timing；
Receiving unit, for receiving the specific messages that the base station is sent, the specific messages are based on comprising the base station
The information for the CSI-RS ports of at least one carried out data transmission the 2nd that the timing information is determined.
Another acquisition methods of data transmission information, including：
At least one first channel state information reference signals CSI-RS port of user equipment measurement base station configuration, and obtain
At least one described CSI-RS port is taken to distinguish corresponding descending timing；
The user equipment receives each CSI-RS at least one described the first CSI-RS port that the base station is sent
Distinguish corresponding up timing adjustment amount in port；
When the user equipment judges that there is descending timing at least one described the first CSI-RS port uses with described
Family equipment currently carries out data transmission at least one the 2nd CSI-RS of difference less than preset difference value of used descending timing
During port, the user equipment is according to the corresponding up timing adjustment amount at least one the 2nd CSI-RS port and measurement
At least one described corresponding descending timing in the 2nd CSI-RS ports, at least one described the 2nd enterprising line number in CSI-RS ports
According to transmission.
Another acquisition device of data transmission information, including：
First acquisition unit, at least one first channel state information reference signals for measuring base station configuration respectively
CSI-RS ports, and obtain the corresponding descending timing of at least one CSI-RS port difference；
Receiving unit, for receiving each CSI-RS at least one the first CSI-RS port described in the base station transmission
Distinguish corresponding up timing adjustment amount in port；
Transmission unit, judges there is descending timing and the use at least one described the first CSI-RS port for working as
Family equipment currently carries out data transmission at least one the 2nd CSI-RS of difference less than preset difference value of used descending timing
During port, according to the corresponding up timing adjustment amount at least one described the 2nd CSI-RS port and measurement described at least one
The corresponding descending timing in 2nd CSI-RS ports, carries out data transmission at least one described the 2nd CSI-RS port.
The acquisition methods of another data transmission information, including：
Base station is at least one first channel state information reference signals CSI-RS port of user device configuration；
The base station receives the timing information that the user equipment is sent, and the timing information includes：It is described at least one
The corresponding descending timing in first CSI-RS ports and the user equipment currently carry out data transmission used descending timing, or
At least one corresponding descending timing in the first CSI-RS ports currently carries out data transmission with the user equipment respectively described in person
The difference of used descending timing；
The base station determine that the user equipment carries out data transmission according to the timing information at least one second
CSI-RS ports, and specific messages are sent to the user equipment, the specific messages include the use that the base station is determined
The information at least one the 2nd CSI-RS port that family equipment carries out data transmission.
The acquisition device of another data transmission information, including：
Dispensing unit, for at least one first channel state information reference signals CSI-RS end of user device configuration
Mouthful；
Receiving unit, for receiving the timing information that the user equipment is sent, the timing information includes：It is described at least
One corresponding descending timing in the first CSI-RS ports and the user equipment currently carry out data transmission used descending fixed
When, or at least one described corresponding descending timing in the first CSI-RS ports currently carries out data with the user equipment respectively
The difference of descending timing used in transmission；
Determining unit, for determine that the user equipment carries out data transmission according to the timing information at least one
Two CSI-RS ports, and specific messages are sent to the user equipment, the specific messages are described comprising base station determination
The information at least one the 2nd CSI-RS port that user equipment carries out data transmission.
The acquisition methods and device of data transmission information provided in an embodiment of the present invention, user equipment are matched somebody with somebody by measuring base station
At least one put the first channel state information reference signals CSI-RS ports, obtain at least one port difference corresponding
Descending timing, then sends timing information to the base station, and the timing information includes：At least one described the first CSI-RS end
Mouth respectively corresponding descending timing and the user equipment currently carry out data transmission used in descending timing, or it is described extremely
Used in few corresponding descending timing in a first CSI-RS port currently carries out data transmission with the user equipment respectively
The difference of descending timing, the last user equipment receives the specific messages that the base station is sent, and the specific messages include institute
State base station based on the timing information be the user equipment determine the user equipment carry out data transmission at least one
The information of 2nd CSI-RS ports.Prior art can not determine that suitable CSI-RS ports carry out data transmission for user equipment,
And it can not determine that accurate descending timing and up timing carry out data biography on different CSI-RS ports for user equipment
It is defeated.The embodiment of the present invention is obtaining user equipment in cooperative multipoint transmission pattern by user equipment and the information exchange of base station
While CSI-RS ports required for lower access network, user equipment can also be got when carrying out data transmission, each
The corresponding up timing in CSI-RS ports and descending timing.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is a kind of acquisition methods flow chart of data transmission information provided in an embodiment of the present invention；
Fig. 2 is a kind of acquisition device structural representation of data transmission information provided in an embodiment of the present invention；
Fig. 3 is the acquisition methods flow chart of another data transmission information provided in an embodiment of the present invention；
Fig. 4 is the acquisition device structural representation of another data transmission information provided in an embodiment of the present invention；
Fig. 5 is the acquisition methods flow chart of another data transmission information provided in an embodiment of the present invention；
Fig. 6 is the acquisition device structural representation of another data transmission information provided in an 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 carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
To make the advantage of technical solution of the present invention clearer, the present invention is made specifically with reference to the accompanying drawings and examples
It is bright.
The present embodiment provides a kind of acquisition methods of data transmission information, as shown in figure 1, methods described includes：
101st, user equipment is by measuring at least one first channel state information reference signals CSI-RS that base station is configured
Port, obtains at least one described the first CSI-RS port and distinguishes corresponding descending timing.
Wherein, the first CSI-RS ports can be the CSI-RS ports under cooperative multipoint transmission pattern, or
CSI-RS ports under other patterns.
102nd, the user equipment sends timing information to the base station.
Wherein, the timing information includes：Described at least one the first CSI-RS port distinguish corresponding descending timing and
The user equipment currently carries out data transmission used descending timing, or at least one described the first CSI-RS port pair
The descending timing answered currently carries out data transmission the difference of used descending timing with the user equipment respectively.
Further, with cause the base station according to the timing information of acquisition determine user equipment carry out data transmission to
A few 2nd CSI-RS port.
103rd, the user equipment receives the specific messages that the base station is sent, and the specific messages include the base station base
At least one the 2nd CSI- carried out data transmission in the user equipment that the timing information is user equipment determination
The information of RS ports.
Wherein, the 2nd CSI-RS ports be cooperative multipoint transmission pattern under CSI-RS ports, it is described at least one
The information of 2nd CSI-RS ports includes distinguishing with each the 2nd CSI-RS port at least one described the 2nd CSI-RS port
Each the 2nd CSI-RS end in corresponding descending timing and/or up timing and/or at least one described the 2nd CSI-RS port
Mouthful port sequence information, wherein, the port sequence information of each the 2nd CSI-RS port be used to identifying it is described not
Which the 2nd CSI-RS port specifically corresponded to descending timing.
Alternatively, the user equipment obtains each at least one described the 2nd CSI-RS port by Stochastic accessing RA
Distinguish corresponding up timing adjustment amount in individual CSI-RS ports；The user equipment is right respectively according to each described CSI-RS port
Corresponding descending timing is distinguished in the up timing adjustment amount answered and each described CSI-RS port, in each described CSI-RS port
The transmission of enterprising row data.
The present embodiment provides a kind of acquisition device of data transmission information, as shown in Fig. 2 described device includes：First obtains
Take unit 21, transmitting element 22, receiving unit 23, second acquisition unit 24, transmission unit 25.Described device can be processing
Device, in user equipment (UE).
First acquisition unit 21, by measuring at least one first channel state information reference signals CSI- that base station is configured
RS ports, obtain at least one described the first CSI-RS port and distinguish corresponding descending timing.
Transmitting element 22, can be used for sending timing information to the base station.
Wherein, the timing information includes：Described at least one the first CSI-RS port distinguish corresponding descending timing and
The user equipment currently carries out data transmission used descending timing, or at least one described the first CSI-RS port pair
The descending timing answered currently carries out data transmission the difference of used descending timing with the user equipment respectively.
Receiving unit 23, can be used for receiving the specific messages that the base station is sent, the specific messages include the base
Stand based on the timing information determine the CSI-RS ports of at least one carried out data transmission the 2nd information.
Wherein, the timing reference information be the base station by the transmitting element send described in each transfer point pair
The current corresponding descending timing acquisition of the descending timing answered and the user equipment, at least one described the 2nd CSI-RS port
Information include descending timing corresponding with each the 2nd CSI-RS ports difference at least one described the 2nd CSI-RS port
And/or in up timing and/or at least one described the 2nd CSI-RS port each the 2nd CSI-RS port port sequence number
Information, wherein, the port sequence information of each the 2nd CSI-RS port is specific for identifying the different descending timings
Correspondence is which the 2nd CSI-RS port.
Described device can also include：Second acquisition unit 24, transmission unit 25.
Second acquisition unit 24, can be used for obtaining at least one described the 2nd CSI-RS port by Stochastic accessing RA
Distinguish corresponding up timing adjustment amount in each CSI-RS port.
Transmission unit 25, can be used for distinguishing corresponding up timing adjustment amount and institute according to each described CSI-RS port
State each CSI-RS port and distinguish corresponding descending timing, in the transmission of the enterprising row data in each CSI-RS port.
The present embodiment provides the acquisition methods of another data transmission information, as shown in figure 3, methods described includes：
301st, at least one first channel state information reference signals CSI-RS port of user equipment measurement base station configuration,
And obtain the corresponding descending timing of at least one CSI-RS port difference.
Wherein, the first CSI-RS ports can be the CSI-RS ports under cooperative multipoint transmission pattern, or
CSI-RS ports under other patterns.
302nd, the user equipment receives each at least one described the first CSI-RS port that the base station is sent
Distinguish corresponding up timing adjustment amount in CSI-RS ports.
Wherein, base station is by receiving the signal that at least one the first CSI-RS port is sent, and the signal can be up
Probing reference signal SRS, then base station can be determined at least according to the SRS received at least one the first CSI-RS port
The corresponding up timing adjustment amount in one the first CSI-RS port.
303a, judge there is descending timing and institute at least one described the first CSI-RS port when the user equipment
State user equipment currently carry out data transmission used in descending timing difference be less than preset difference value at least one second
During CSI-RS ports, the user equipment according to the corresponding up timing adjustment amount at least one the 2nd CSI-RS port and
At least one described corresponding descending timing in the 2nd CSI-RS ports of measurement, at least one described the 2nd CSI-RS port
Carry out data transmission.
Wherein, the user equipment can be by the way that the up timing adjustment amount and the descending timing summation be obtained
Row timing.
303b, when the user equipment judge at least one described the first CSI-RS port be not present descending timing with
When the difference that the user equipment currently carries out data transmission used descending timing is less than the port of preset difference value, the use
Family equipment obtains the user that the base station is determined from least one described the first CSI-RS port by Stochastic accessing RA
Each the 2nd CSI-RS port difference is corresponding up fixed at least one the 2nd CSI-RS port that equipment carries out data transmission
When adjustment amount.
304b, the user equipment distinguish corresponding up timing adjustment according at least one described the 2nd CSI-RS port
Corresponding descending timing is distinguished in amount and each described the 2nd CSI-RS port, in each described enterprising line number in the 2nd CSI-RS ports
According to transmission.
Wherein, the 2nd CSI-RS ports are the CSI-RS ports under cooperative multipoint transmission pattern.
The present embodiment provides the acquisition device of another data transmission information, as shown in figure 4, described device includes：First
Acquiring unit 41, receiving unit 42, transmission unit 43, second acquisition unit 44.Described device can be processor, positioned at user
In equipment UE.
First acquisition unit 41, can be used at least one the first channel condition information reference for measuring base station configuration respectively
Signal CSI-RS ports, and obtain the corresponding descending timing of at least one CSI-RS port difference.
Receiving unit 42, can be used for receiving each at least one described the first CSI-RS port that the base station is sent
Distinguish corresponding up timing adjustment amount in CSI-RS ports.
Transmission unit 43, can be used for when judge to exist at least one described the first CSI-RS port descending timing with
The user equipment currently carry out data transmission used in descending timing difference be less than preset difference value at least one second
During CSI-RS ports, according to the corresponding up timing adjustment amount at least one described the 2nd CSI-RS port and measurement extremely
Few corresponding descending timing in a 2nd CSI-RS port, at least one described the 2nd CSI-RS port, enterprising row data are passed
It is defeated.
Second acquisition unit 44, it is descending fixed when being not present at least one the first CSI-RS port described in judging to can be used for
When with the user equipment currently carry out data transmission used in descending timing difference be less than preset difference value port when, lead to
Cross Stochastic accessing RA and obtain the user equipment progress that the base station is determined from least one described the first CSI-RS port
Corresponding up timing adjustment amount is distinguished in each the 2nd CSI-RS port at least one the 2nd CSI-RS port of data transfer.
The present embodiment provides the acquisition methods of another data transmission information, as shown in figure 5, methods described includes：
501st, base station is at least one first channel state information reference signals CSI-RS port of user device configuration.
Wherein, the first CSI-RS ports can be the CSI-RS ports under cooperative multipoint transmission pattern, or
CSI-RS ports under other patterns.
502nd, the base station receives the timing information that the user equipment is sent.
Wherein, the timing information includes：At least one described corresponding descending timing in the first CSI-RS ports and described
User equipment currently carries out data transmission used descending timing, or at least one described the first CSI-RS port is corresponding
Descending timing currently carries out data transmission the difference of used descending timing with the user equipment respectively.
503rd, the base station determine that the user equipment carries out data transmission according to the timing information at least one
Two CSI-RS ports, and send specific messages to the user equipment.
Wherein, the specific messages comprising the base station determine the user equipment carry out data transmission at least one
The information of 2nd CSI-RS ports, the 2nd CSI-RS ports are the CSI-RS ports under cooperative multipoint transmission pattern.
Specifically, the base station determines that there is descending timing at least one described the first CSI-RS port uses with described
Family equipment currently carries out data transmission at least one the CSI-RS port of difference less than preset difference value of used descending timing
For at least one described the 2nd CSI-RS port；Then the base station to the user equipment send it is described at least one second
The corresponding descending timing in CSI-RS ports and/or up timing adjustment amount.
Alternatively, the base station determines that descending timing and institute are not present at least one described the first CSI-RS port
CSI-RS port of the difference less than preset difference value that user equipment currently carries out data transmission used descending timing is stated, then
The base station is that the user device configuration is used at least one the 2nd CSI-RS port that user equipment carries out data transmission, and
Indicate that the user equipment performs Stochastic accessing to obtain and described at least one at least one described the 2nd CSI-RS port
Distinguish corresponding up timing in individual 2nd CSI-RS ports.
Further, to cause the user equipment to be carried out data transmission according to the specific messages.
The present embodiment provides the acquisition device of another data transmission information, as shown in fig. 6, described device includes：Configuration
Unit 61, receiving unit 62, determining unit 63.Described device can be processor, positioned at base station（eNodeB）It is interior.
Dispensing unit 61, can be used for at least one first channel state information reference signals CSI- of user device configuration
RS ports.
Receiving unit 62, can be used for receiving the timing information that the user equipment is sent.
Wherein, the timing information includes：At least one described corresponding descending timing in the first CSI-RS ports and described
User equipment currently carries out data transmission used descending timing, or at least one described the first CSI-RS port is corresponding
Descending timing currently carries out data transmission the difference of used descending timing with the user equipment respectively.
Determining unit 63, can be used for determining that the user equipment carries out data transmission at least according to the timing information
One the 2nd CSI-RS port, and specific messages are sent to the user equipment, the specific messages are determined comprising the base station
The information of at least one the 2nd CSI-RS port that carries out data transmission of the user equipment.
The determining unit 63 can specifically include：Determining module 6301, sending module 6302.
Determining module 6301, be determined for existing at least one described the first CSI-RS port descending timing with
The user equipment currently carries out data transmission at least one CSI- of difference less than preset difference value of used descending timing
RS ports are at least one described the 2nd CSI-RS port.
Determining module 6301, can be also used for determining at least one described the first CSI-RS port in the absence of descending fixed
When with the user equipment currently carry out data transmission used in descending timing difference be less than preset difference value CSI-RS ends
Mouthful.
Sending module 6302, can be used for sending at least one the 2nd CSI-RS port correspondence to the user equipment
Descending timing and/or up timing adjustment amount.
Sending module 6302, can be also used for for the user device configuration for user equipment carry out data transmission to
A few 2nd CSI-RS port, and indicate that the user equipment is performed at random at least one described the 2nd CSI-RS port
Access to obtain up timing corresponding with least one described the 2nd CSI-RS ports difference.
The acquisition methods and device of data transmission information provided in an embodiment of the present invention, user equipment are matched somebody with somebody by measuring base station
The the first channel state information reference signals CSI-RS ports put, obtain at least one port point in the first CSI-RS ports
Not corresponding descending timing, then sends timing information to the base station, and the timing information includes：It is described at least one first
Corresponding descending timing and the user equipment currently carry out data transmission used descending timing respectively for CSI-RS ports, or
At least one corresponding descending timing in the first CSI-RS ports currently carries out data transmission with the user equipment respectively described in person
The difference of used descending timing, the last user equipment receives the specific messages that the base station is sent, described special to disappear
The information at least one the 2nd CSI-RS port that breath carries out data transmission comprising the user equipment that the base station is determined.It is existing
There is technology to determine that suitable CSI-RS ports carry out data transmission for user equipment, and can not be user equipment in difference
CSI-RS ports on determine that accurately descending timing and up timing carry out data transmission.The embodiment of the present invention is set by user
The standby information exchange with base station, is obtaining CSI-RS end of the user equipment under cooperative multipoint transmission pattern required for access network
Mouthful while, user equipment can also be got when carrying out data transmission, the corresponding up timing in each CSI-RS port and
Descending timing.
The acquisition device of data transmission information provided in an embodiment of the present invention can realize the embodiment of the method for above-mentioned offer,
Concrete function realizes the explanation referred in embodiment of the method, will not be repeated here.Data transfer provided in an embodiment of the present invention
The acquisition methods and device of information go for field of wireless communications, but are not limited only to this.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory（Read-Only Memory, ROM）Or random access memory（Random Access
Memory, RAM）Deng.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (18)
1. a kind of acquisition methods of data transmission information, applied under cooperative multipoint transmission pattern, it is characterised in that including：
User equipment is obtained by measuring at least one first channel state information reference signals CSI-RS port that base station is configured
Distinguish corresponding descending timing at least one described the first CSI-RS port；
The user equipment sends timing information to the base station, and the timing information includes：At least one described the first CSI-
Corresponding descending timing and the user equipment currently carry out data transmission used descending timing, Huo Zhesuo respectively for RS ports
At least one corresponding descending timing in the first CSI-RS ports is stated currently to carry out data transmission being made respectively with the user equipment
The difference of descending timing；
The user equipment receives the specific messages that the base station is sent, and it is described fixed that the specific messages are based on comprising the base station
When information be at least one the 2nd CSI-RS port for carrying out data transmission of the user equipment that the user equipment is determined
Information.
2. the acquisition methods of data transmission information according to claim 1, it is characterised in that it is described at least one second
The information of CSI-RS ports includes：It is corresponding respectively with each the 2nd CSI-RS port at least one described the 2nd CSI-RS port
Descending timing and/or up timing.
3. the acquisition methods of data transmission information according to claim 2, it is characterised in that it is described at least one second
The information of CSI-RS ports also includes：
The port sequence information of each the 2nd CSI-RS port at least one described the 2nd CSI-RS port.
4. the acquisition methods of data transmission information according to claim 1 or 2, it is characterised in that also include：
The user equipment obtains each CSI-RS port at least one described the 2nd CSI-RS port by Stochastic accessing RA
The corresponding up timing adjustment amount of difference；
The user equipment distinguishes corresponding up timing adjustment amount and each described CSI- according to each described CSI-RS port
Corresponding descending timing is distinguished in RS ports, carries out data transmission on each described CSI-RS port.
5. a kind of acquisition methods of data transmission information, applied under cooperative multipoint transmission pattern, it is characterised in that including：
At least one first channel state information reference signals CSI-RS port of user equipment measurement base station configuration, and obtain institute
State at least one CSI-RS port and distinguish corresponding descending timing；
The user equipment receives each CSI-RS port at least one described the first CSI-RS port that the base station is sent
The corresponding up timing adjustment amount of difference；
When the user equipment judges that there is descending timing at least one described the first CSI-RS port sets with the user
The standby difference for currently carrying out data transmission used descending timing is less than at least one the 2nd CSI-RS port of preset difference value
When, the user equipment is according to the corresponding up timing adjustment amount at least one the 2nd CSI-RS port and measurement
At least one corresponding descending timing in the 2nd CSI-RS ports, at least one described the 2nd CSI-RS port, enterprising row data are passed
It is defeated.
6. the acquisition methods of data transmission information according to claim 5, it is characterised in that also include：
Descending timing and the user are not present at least one the first CSI-RS port described in judging when the user equipment
When the difference that equipment currently carries out data transmission used descending timing is less than the port of preset difference value, the user equipment leads to
Cross Stochastic accessing RA and obtain the user equipment progress that the base station is determined from least one described the first CSI-RS port
Distinguish corresponding up timing adjustment amount at least one the 2nd CSI-RS port of data transfer；
The user equipment distinguishes corresponding up timing adjustment amount and described according at least one described the 2nd CSI-RS port
Corresponding descending timing is distinguished in each the 2nd CSI-RS port, in the biography of each enterprising row data in the 2nd CSI-RS ports
It is defeated.
7. a kind of acquisition methods of data transmission information, applied under cooperative multipoint transmission pattern, it is characterised in that including：
Base station is at least one first channel state information reference signals CSI-RS port of user device configuration；
The base station receives the timing information that the user equipment is sent, and the timing information includes：It is described at least one first
The corresponding descending timing in CSI-RS ports and the user equipment currently carry out data transmission used descending timing, Huo Zhesuo
At least one corresponding descending timing in the first CSI-RS ports is stated currently to carry out data transmission being made respectively with the user equipment
The difference of descending timing；
The base station determines at least one the 2nd CSI-RS that the user equipment carries out data transmission according to the timing information
Port, and specific messages are sent to the user equipment, the specific messages include the user equipment that the base station is determined
The information of the CSI-RS ports of at least one carried out data transmission the 2nd.
8. the acquisition methods of data transmission information according to claim 7, it is characterised in that the base station is according to described fixed
When information determine at least one the 2nd CSI-RS port that the user equipment carries out data transmission, including：
The base station determines to there is descending timing at least one described the first CSI-RS port and the user equipment is current
The difference of descending timing used in carrying out data transmission be less than at least one CSI-RS port of preset difference value for it is described at least
One the 2nd CSI-RS port；
It is described to include to user equipment transmission specific messages：
The base station to the user equipment send at least one described corresponding descending timing in the 2nd CSI-RS ports and/or on
Row timing adjustment amount.
9. the acquisition methods of data transmission information according to claim 8, it is characterised in that also include：
The base station determines that descending timing is not present at least one described the first CSI-RS port works as with the user equipment
Before carry out data transmission used in descending timing difference be less than preset difference value CSI-RS ports；
The base station is that the user device configuration is used at least one the 2nd CSI-RS end that user equipment carries out data transmission
Mouthful, and indicate the user equipment Stochastic accessing is performed at least one described the 2nd CSI-RS port with obtain with it is described extremely
Distinguish corresponding up timing in a few 2nd CSI-RS port.
10. a kind of acquisition device of data transmission information, applied under cooperative multipoint transmission pattern, it is characterised in that including：
First acquisition unit, for by measuring at least one first channel state information reference signals CSI-RS that base station is configured
Port, obtains at least one described the first CSI-RS port and distinguishes corresponding descending timing；
Transmitting element, for sending timing information to the base station, the timing information includes：At least one described the first CSI-
RS ports respectively corresponding descending timing and user equipment currently carry out data transmission used in descending timing, or it is described extremely
Used in few corresponding descending timing in a first CSI-RS port currently carries out data transmission with the user equipment respectively
The difference of descending timing；
Receiving unit, for receiving the specific messages that the base station is sent, the specific messages are based on described comprising the base station
The information for the CSI-RS ports of at least one carried out data transmission the 2nd that timing information is determined.
11. the acquisition device of data transmission information according to claim 10, it is characterised in that it is described at least one second
The information of CSI-RS ports includes corresponding respectively with each the 2nd CSI-RS port at least one described the 2nd CSI-RS port
Descending timing and/or up timing.
12. the acquisition device of data transmission information according to claim 11, it is characterised in that it is described at least one second
The information of CSI-RS ports also includes：
Corresponding port sequence information is distinguished in each the 2nd CSI-RS port at least one described the 2nd CSI-RS port.
13. the acquisition device of the data transmission information according to claim 11 or 10, it is characterised in that also include：
Second acquisition unit, for obtaining each CSI-RS at least one described the 2nd CSI-RS port by Stochastic accessing RA
Distinguish corresponding up timing adjustment amount in port；
Transmission unit, for distinguishing corresponding up timing adjustment amount and each described CSI- according to each described CSI-RS port
Corresponding descending timing is distinguished in RS ports, in the transmission of the enterprising row data in each CSI-RS port.
14. a kind of acquisition device of data transmission information, applied under cooperative multipoint transmission pattern, it is characterised in that including：
First acquisition unit, at least one first channel state information reference signals CSI-RS for measuring base station configuration respectively
Port, and obtain the corresponding descending timing of at least one CSI-RS port difference；
Receiving unit, for receiving each CSI-RS port at least one the first CSI-RS port described in the base station transmission
The corresponding up timing adjustment amount of difference；
Transmission unit, judges that there is descending timing at least one described the first CSI-RS port works as with user equipment for working as
Before carry out data transmission used in descending timing difference be less than preset difference value at least one the 2nd CSI-RS port when, root
According at least one the 2nd CSI- described in the corresponding up timing adjustment amount at least one described the 2nd CSI-RS port and measurement
The corresponding descending timing in RS ports, carries out data transmission at least one described the 2nd CSI-RS port.
15. the acquisition device of data transmission information according to claim 14, it is characterised in that also include：
Second acquisition unit, judges descending timing and the use are not present at least one described the first CSI-RS port for working as
When the difference that family equipment currently carries out data transmission used descending timing is less than the port of preset difference value, pass through Stochastic accessing
What the user equipment that the RA acquisitions base station is determined from least one described the first CSI-RS port carried out data transmission
Corresponding up timing adjustment amount is distinguished in each the 2nd CSI-RS port at least one the 2nd CSI-RS port.
16. a kind of acquisition device of data transmission information, applied under cooperative multipoint transmission pattern, it is characterised in that including：
Dispensing unit, for at least one first channel state information reference signals CSI-RS port of user device configuration；
Receiving unit, for receiving the timing information that the user equipment is sent, the timing information includes：It is described at least one
The corresponding descending timing in first CSI-RS ports and the user equipment currently carry out data transmission used descending timing, or
At least one corresponding descending timing in the first CSI-RS ports currently carries out data transmission with the user equipment respectively described in person
The difference of used descending timing；
Determining unit, for determine that the user equipment carries out data transmission according to the timing information at least one second
CSI-RS ports, and specific messages are sent to the user equipment, the specific messages are set comprising the user that base station is determined
The information of standby at least one the 2nd CSI-RS port carried out data transmission.
17. the acquisition device of data transmission information according to claim 16, it is characterised in that the determining unit bag
Include：
Determining module, for determining there is descending timing and the user equipment at least one described the first CSI-RS port
At least one CSI-RS port that the current difference for carrying out data transmission used descending timing is less than preset difference value is described
At least one the 2nd CSI-RS port；
Sending module, for sending at least one described corresponding descending timing in the 2nd CSI-RS ports to the user equipment
And/or up timing adjustment amount.
18. the acquisition device of data transmission information according to claim 17, it is characterised in that
The determining module, be additionally operable to determine at least one described the first CSI-RS port be not present descending timing with it is described
User equipment currently carries out data transmission CSI-RS port of the difference less than preset difference value of used descending timing；
The sending module, be additionally operable to be used for that user equipment to carry out data transmission for the user device configuration at least one the
Two CSI-RS ports, and indicate that the user equipment performs Stochastic accessing to obtain at least one described the 2nd CSI-RS port
Take up timing corresponding with least one described the 2nd CSI-RS ports difference.
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| EP4221377A1 (en) * | 2015-03-20 | 2023-08-02 | Ntt Docomo, Inc. | Terminal, base station, and communication method |
| CN110149129B (en) * | 2018-02-11 | 2022-02-01 | 中兴通讯股份有限公司 | Method, device and equipment for determining beamforming weight |
| WO2020252690A1 (en) * | 2019-06-19 | 2020-12-24 | Qualcomm Incorporated | Analog csf for fdd partial reciprocity |
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| WO2010106729A1 (en) * | 2009-03-16 | 2010-09-23 | パナソニック株式会社 | Radio receiving apparatus, radio transmitting apparatus and wireless communication method |
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| WO2010106729A1 (en) * | 2009-03-16 | 2010-09-23 | パナソニック株式会社 | Radio receiving apparatus, radio transmitting apparatus and wireless communication method |
| CN101895921A (en) * | 2009-05-18 | 2010-11-24 | 普天信息技术研究院有限公司 | Method for selecting coordinated multipoint cell |
| CN101917381A (en) * | 2010-08-20 | 2010-12-15 | 西安电子科技大学 | Method for compensating delay difference among cells in cooperative multi-point transmission system |
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Effective date of registration: 20210427 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Patentee after: Honor Device Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters building, Longgang District, Shenzhen City, Guangdong Province, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |