CN102083033A - Transmission indication and transmission method for aperiodic sounding reference signal (SRS) and equipment - Google Patents
Transmission indication and transmission method for aperiodic sounding reference signal (SRS) and equipment Download PDFInfo
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- CN102083033A CN102083033A CN2010102810467A CN201010281046A CN102083033A CN 102083033 A CN102083033 A CN 102083033A CN 2010102810467 A CN2010102810467 A CN 2010102810467A CN 201010281046 A CN201010281046 A CN 201010281046A CN 102083033 A CN102083033 A CN 102083033A
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Abstract
The invention discloses transmission indication and a transmission method for an aperiodic sounding reference signal (SRS) and equipment. The method comprises the following steps that: a base station determines a transmission mode adopted by a terminal when the terminal transmits the aperiodic SRS; the base station indicates the transmission mode adopted by the terminal when the terminal transmits the aperiodic SRS; the terminal determines the transmission mode when transmitting the aperiodic SRS; and the terminal transmits the aperiodic SRS according to the determined transmission mode. The invention does not conflict with other signalling; signalling indication is simple; and signalling cost is low.
Description
Technical field
The present invention relates to wireless communication technology, the transmission indication of particularly a kind of SRS aperiodic (Sounding ReferenceSignal, detection reference signal) and transmission method, equipment.
Background technology
In existing LTE (Long Term Evolution, the Long Term Evolution) system, the detection of up channel is finished by sounding (detection) signal.Send the sounding signal by terminal at last symbol of SRS subframe, the base station can obtain up channel information, thereby carries out the scheduling of resource of uplink and the measurement of various transmission parameters.SRS in the LTE system periodically sends, and promptly terminal can continue to send the sounding signal with certain cycle, up to the state that enters the free of data transmission.Periodically the transmission parameter of SRS comprises CS (Cycle Shift, cyclic shift), bandwidth, frequency parameter, cycle and the transmission subframe position etc. of SRS all by the high level configuration.
Because dispatching cycle is longer, dispatching efficiency is lower, and periodically SRS often will take more physical resource.Particularly in LTE-A (Long Term Evolution-Advanced, long-term evolution upgrading) system, UE (User Equipment, subscriber equipment) often need send the SRS of many antennas simultaneously, and resource overhead is bigger.In order to improve the SRS resource utilization, reduce the expense of SRS resource, introduced aperiodic SRS transmission in the LTE-A system.Different with periodicity SRS is that aperiodic, SRS was the base station dynamically active, only can send disposable sounding signal in case activate the back terminal, and can periodically not send signal.By aperiodic sounding, the base station can obtain the channel information of needs more flexibly, closes or reduce the transmission of periodicity SRS when conditions permit, thereby reduces the physical resource expense of SRS signal.Aperiodic, SRS can have single antenna port transmission and two kinds of transmission meanss of many antenna ports transmission, and wherein for the latter, the base station is transmission SRS signal aperiodic on all transmitting antennas simultaneously.
According to existing conclusion, aperiodic, SRS went up DCI format (the DCI form of scheduling up-downgoing transmission by PDCCH (physical downlink control channel, Physical Downlink Control Channel); DCI:DownlinkControl Indicator, descending control indication) certain in/a little bits trigger.And aperiodic SRS configuration parameter, comprise time domain and frequency domain configuration parameter, then may indicate by high-level signaling, also may be by certain special-purpose DCI format indication.About how disposing the transmission of SRS aperiodic, there is company to deliver some viewpoints at present, be included in the port number (0/1/2/4) of indicating SRS aperiodic in the high-level signaling by some bits, thereby terminal is carried out the transmission of SRS aperiodic on corresponding ports.
The deficiencies in the prior art are:
The signaling of indicating terminal SRS aperiodic transmission at present is too much, has increased the extra signaling consumption of communication system.
Summary of the invention
Technical problem solved by the invention has been to provide transmission indicating means and the base station of a kind of aperiodic of SRS, a kind of aperiodic SRS transmission method and user terminal.
The transmission method of a kind of aperiodic of SRS is provided in the embodiment of the invention, has comprised the steps:
Terminal is determined employed transmission means when transmission SRS aperiodic;
Terminal is according to transmission means transmission SRS aperiodic that determines.
The transmission indicating means of a kind of aperiodic of SRS is provided in the embodiment of the invention, has comprised the steps:
The transmission means that the base station need to determine terminal to adopt when transmission SRS aperiodic;
The transmission means that the base station indicating terminal adopts when transmission SRS aperiodic.
A kind of user terminal is provided in the embodiment of the invention, has comprised:
Determination module is used to determine employed transmission means when transmission SRS aperiodic;
Transport module is used for according to transmission means transmission SRS aperiodic that determines.
A kind of base station is provided in the embodiment of the invention, has comprised:
Determination module is used to determine the transmission means that needs terminal to adopt when transmission SRS aperiodic;
Indicating module is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic.
Beneficial effect of the present invention is as follows:
The technical scheme that adopts the embodiment of the invention to provide can not produce with other signalings and conflict; And the signaling indication is simple, and signaling consumption seldom.
Description of drawings
Fig. 1 be in the embodiment of the invention aperiodic SRS transmission indicating means implementing procedure schematic diagram;
Fig. 2 be in the embodiment of the invention aperiodic SRS transmission method implementing procedure schematic diagram;
Fig. 3 is an architecture of base station schematic diagram in the embodiment of the invention;
Fig. 4 is a user terminal structural representation in the embodiment of the invention.
Embodiment
The inventor notices in the invention process:
In LTE-A (Long Term Evolution-Advanced, long-term evolution upgrading) system, because it is defeated to have introduced multi-antenna transmitting, periodically SRS need take more physical resource.In order to improve the SRS resource utilization, reduce the expense of SRS resource, introduced aperiodic SRS transmission among the LTE-A, activate the sounding of non-standing by dynamic dispatching.According to present conclusion, aperiodic, SRS can carry out the transmission of single antenna port mode, also can not have the transmission of the multiport mode of precoding, and therefore, how the transmission means of indicating terminal SRS aperiodic is to need the problem that solves.
In the prior art, the port number that aperiodic, SRS used with whether be triggered relevant with the transmitting antenna number of UE, and the port number that indicating terminal SRS aperiodic uses and indicate whether to be triggered and realize by other signalings, undertaken by the PDCCH signaling such as triggering, aperiodic, the configuration parameter of SRS was then indicated by high-level signaling, perhaps indicate the port number that also has scheme to adopt high-level signaling to indicate SRS aperiodic by certain special-purpose DCI format.Yet, for the base station, not it may be noted that concrete port number, but only it may be noted that transmission means gets final product, increase indicating mode on existing signaling basics if go again in the base station, then may produce and conflict, also can increase extra signaling consumption simultaneously with other signalings.For example when triggering by the PDCCH signaling, the extra PDCCH signaling of utilizing is again indicated transmission means; Perhaps, when indicating the configuration parameter of SRS aperiodic by high-level signaling, the extra PDCCH signaling of utilizing is again indicated or the like transmission means, all may produce with other signalings and conflict, and also can increase extra signaling consumption simultaneously.
Given this, transmission indicating means and the base station of a kind of aperiodic of SRS are provided in the embodiment of the invention, a kind of aperiodic SRS transmission method and user terminal, terminal receive the base station by the downlink signaling indication aperiodic SRS transmission means, this programme can be used for SRS transmission aperiodic of LTE-A or its evolution system.Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
In declarative procedure, at first will be respectively describe from the enforcement of terminal and base station side, can implement to describe to the cooperation of the two then, but this does not also mean that the two must cooperate enforcement, in fact, when terminal and base station separate when implementing, it also solves the problem of end side, base station side separately, when just the two is used in combination, can obtain better technique effect.
Fig. 1 is the transmission indicating means implementing procedure schematic diagram of SRS aperiodic, and as shown in the figure, the base station is to comprise the steps: in indication
The transmission means that step 101, base station need to determine terminal to adopt when transmission SRS aperiodic;
The transmission means that step 102, base station indicating terminal adopt when transmission SRS aperiodic.
Fig. 2 is the transmission method implementing procedure schematic diagram of SRS aperiodic, and as shown in the figure, end side can comprise the steps: when transmission SRS aperiodic
In the enforcement, base station side mainly is the transmission means that the indication end side adopts when transmission SRS aperiodic, and terminal then is transmission means transmission SRS aperiodic that determines according to the base station.So in the process of base station indicating terminal, can adopt both sides to adopt indication according to predetermined rule, the mode such as adopting binding does not then need the base station all to indicate at every turn under this mode, but also can be after rule is set, terminal knows that by rule transmission means gets final product; The transmission means that the base station also can adopt the direct indicating terminal of means of signaling to adopt; When adopting signaling, transmission means that can directly clear and definite indicating terminal should adopt in signaling also can be indicated according to the rule of being scheduled in conjunction with both sides by the out of Memory in the signaling.
In the enforcement, will be not directly indication but know according to predetermined rule that the mode of transmission means is called recessively and indicate, and the mode that will directly clearly indicate with information in signaling is called the indication of dominance ground.Below will be to by high-level signaling or PDCCH signaling and adopt dominance or recessive transmission means of indicating SRS aperiodic, and the execution mode that terminal is carried out the transmission of SRS aperiodic according to information describes.
In force with dominance or recessive enforcement of indicating, and by high-level signaling or PDCCH signaling is that example is because these modes are easy to implement easy to understand; But, in theory, mode with other also is fine, as long as can realize the transmission means indicating terminal that adopt terminal during SRS in transmission aperiodic the base station, terminal gets final product by this indication transmission SRS aperiodic, therefore dominance or recessive the indication, and the execution mode of indicating by high-level signaling or PDCCH signaling only is used to instruct those skilled in the art specifically how to implement the present invention, but do not mean and only can use dominance or recessive the indication, and indicate these modes by high-level signaling or PDCCH signaling, can need come to determine corresponding indicating mode in conjunction with practice in the implementation process.
In the enforcement, will with aperiodic SRS transmission means comprise that the transmission of single antenna port transmission and many antenna ports is that example describes for two kinds, but, in theory, when aperiodic of adopting other during the SRS transmission means, also be that the technical scheme that provides in the embodiment of the invention can be provided, the transmission means indication UE that also to be the base station adopt UE when transmission SRS aperiodic, UE gets final product by this indication transmission SRS aperiodic, this is to understand easily for a person skilled in the art, therefore, be that example only is used to instruct those skilled in the art specifically how to implement the present invention with above-mentioned transmission means, but do not mean and only can in these modes, implement.
Mode one
Base station side:
Base station and terminal agreement is determined employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond transmission SRS aperiodic or physical channel.
In the enforcement, base station and terminal agreement is determined employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond transmission SRS aperiodic or physical channel, can comprise:
Base station and terminal agreement are according to PUSCH (Physical Uplink Shared Channel, physical uplink link sharing channel) or the transmission means of PDSCH (Physical Downlink Shared Channel, physical down link sharing channel) determine the transmission means of transmission SRS aperiodic;
Or base station and terminal agreement are determined the transmission means of transmission SRS aperiodic according to the transmission means of cycle SRS;
Or base station and terminal agreement are according to the definite transmission means of transmitting SRS aperiodic of triggering mode of SRS aperiodic.
End side:
Terminal can be determined employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond the transmission aperiodic SRS or physical channel.
In the enforcement, terminal is determined employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond the transmission aperiodic SRS or physical channel, can comprise:
Terminal is determined in the transmission aperiodic of employed transmission means during SRS according to the transmission means of PUSCH or PDSCH;
Or terminal is determined in the transmission aperiodic of employed transmission means during SRS according to the transmission means of periodicity SRS;
Or terminal is determined in the transmission aperiodic of employed transmission means during SRS according to the triggering mode of SRS aperiodic.
In concrete the enforcement, aperiodic, the transmission means of SRS can be bound with the transmission mode of other transmission signals/channels.For example can with the transmission mode of PUSCH, the periodically transmission mode of the transmission means of SRS or PDSCH binding.
Such as when PUSCH adopts the single antenna port mode, aperiodic, SRS adopted the single antenna port transmission; When PUSCH adopted individual layer/multilayer space multiplexing mode, aperiodic, SRS adopted the multiport mode to transmit.
When perhaps adopting dual-stream beamforming (pattern 8) pattern based on non-code book with PDSCH, aperiodic, SRS adopted the multiport mode to transmit.
In the enforcement, the transmission mode of PUSCH and PDSCH is to be indicated by high-level signaling.
In concrete the enforcement, aperiodic SRS transmission means can with the triggering mode binding of SRS aperiodic.Such as, DCI format (the DCI form that SRS is transmitted by dispatching downlink when aperiodic; DCI:DownlinkControl Indicator, descending control indication) when triggering, then adopt the mode of multiport to transmit SRS aperiodic; When the DCI format that SRS is transmitted by dispatching uplink when aperiodic triggers, then determine the transmission means of SRS aperiodic according to up transmission mode.
In the enforcement, aperiodic, the triggering of SRS all was to finish by PDCCH.
This kind mode can be a kind of indicating mode of implicit expression, also needn't determine according to the transmission means of PUSCH and/or PDSCH in the enforcement by the concrete indication in base station, perhaps according to aperiodic SRS triggering mode determine, can be in terminal pre-configured transmission means according to PUSCH and/or PDSCH determines, perhaps according to aperiodic SRS triggering mode determine; Also can be that the base station need not be indicated at every turn, and be to use once indication, later terminal determines according to the transmission means of PUSCH and/or PDSCH, perhaps according to aperiodic SRS triggering mode determine to get final product.
Mode two
Base station side:
The transmission means that the base station can be adopted during SRS in transmission by the high-level signaling indicating terminal aperiodic.
In the enforcement, the transmission means that the base station can be adopted when indicating terminal SRS aperiodic transmission configuration parameter time indication transmission SRS aperiodic by high-level signaling.
End side:
Terminal can determine that described indication is that the base station sends by high-level signaling, is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic in the transmission aperiodic of employed transmission means during SRS according to the indication of base station.
In the enforcement, to be the base station indicate when the indicating terminal SRS aperiodic transmission configuration parameter by high-level signaling in indication.
Concrete, in this mode, independently indicate the transmission means of SRS aperiodic by high-level signaling.Still be many antenna ports transmission aperiodic SRSs with the high-level signaling indicating terminal of 1 bit with the single antenna port such as the base station, this bit with other aperiodics SRS transmission configuration parameter indicate.
Mode three
Base station side:
The transmission means that the base station can be adopted during SRS in transmission by the direct indicating terminal of PDCCH signaling aperiodic;
Or the transmission means that adopted when recessive indicating terminal is at transmission SRS aperiodic in other information among the DCI format of SRS transmission aperiodic is carried out in triggering terminal in the base station.In the enforcement, the transmission means that adopts when transmission SRS aperiodic the time is indicated in the SRS transmission simultaneously aperiodic can be carried out in triggering terminal by the PDCCH signaling in the base station.
In the enforcement, the transmission means that the base station can be adopted when triggering terminal is carried out SRS when transmission indication transmission aperiodic SRS aperiodic by the PDCCH signaling.
In the enforcement, when the DCI format with dispatching downlink transmission triggered, whether triggering terminal is carried out aperiodic SRS information transmitted PMI (Precooding Matrix Index, pre-coding matrix index) information field; Or when the DCI format with dispatching uplink transmission triggered, it was CSI (channel state information, channel condition information) domain information that triggering terminal is carried out aperiodic SRS information transmitted.
End side:
Terminal can determine in the transmission aperiodic of employed transmission means during SRS according to the indication of base station, and described indication is that the base station is passed through the PDCCH signaling and sent, and is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic;
Perhaps, terminal other indication informations of carrying out comprising in the DCI form of SRS transmission aperiodic according to triggering terminal are determined employed transmission means when transmission SRS aperiodic.
In the enforcement, can be the base station indicate when triggering terminal is carried out aperiodic SRS transmission by the PDCCH signaling in described indication.
In the enforcement, when the DCI format with dispatching downlink transmission triggered, whether triggering terminal is carried out aperiodic SRS information transmitted the PMI information field; Or when the DCI format with dispatching uplink transmission triggered, it was the CSI domain information that triggering terminal is carried out aperiodic SRS information transmitted.
Concrete, in this mode, by the transmission means of PDCC H signaling dominance/recessiveness indication SRS aperiodic.Comprise:
Dominance indication: indicate together with SRS triggering aperiodic bit, promptly utilize a plurality of bits to carry out SRS and trigger.Such as, carry out the triggering of SRS aperiodic with 2 bits, one of them bit indicates whether to trigger SRS aperiodic, the indication of another bit is triggered aperiodic SRS transmission means.
Recessive indication: the transmission means of utilizing other information acquisitions SRS aperiodic among the DCI format that transmits SRS triggering aperiodic bit.Such as, if trigger with the DCI format of dispatching downlink transmission, then can be according to whether having the PMI information field to determine SRS transmission means aperiodic; If trigger, can utilize the CSI territory to obtain the information of SRS transmission means aperiodic with the DCI format of dispatching uplink transmission.
Based on same inventive concept, a kind of base station, user terminal also are provided in the embodiment of the invention, because the transmission indicating means of these equipment principle of dealing with problems and SRS aperiodic, aperiodic, the SRS transmission method was similar, therefore the enforcement of these equipment can repeat part and repeat no more referring to the enforcement of method.
Fig. 3 is the architecture of base station schematic diagram, as shown in the figure, can comprise in the base station:
Indicating module 302 is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic.
In the enforcement, indicating module can also be further used for arranging base station and terminal and determine employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond transmission SRS aperiodic or physical channel.
In the enforcement, indicating module can comprise with one of lower unit or its combination, wherein:
First indicating member is used to arrange base station and terminal according to the definite transmission means of transmitting SRS aperiodic of the transmission means of PUSCH or PDSCH;
Second indicating member is used to arrange base station and terminal according to the definite transmission means of transmitting SRS aperiodic of the transmission means of cycle SRS;
The 3rd indicating member, be used to arrange base station and terminal according to aperiodic SRS triggering mode determine the transmission means of transmission SRS aperiodic.
In the enforcement, indicating module can be further used for the transmission means that adopts during SRS aperiodic in transmission by the high-level signaling indicating terminal.
In the enforcement, indicating module can also be further used for the transmission means that adopts when indicating terminal SRS aperiodic transmission configuration parameter time indication transmission SRS aperiodic by high-level signaling.
In the enforcement, indicating module can comprise the 4th indicating member and/or the 5th definite indicating member, wherein:
The 4th indicating member is used for the transmission means that adopts during SRS aperiodic in transmission by PDCCH signaling indicating terminal;
The five fingers show the unit, and other indication informations while indicating terminals that are used for utilizing triggering terminal to carry out the DCI form that aperiodic, SRS transmitted carry out the transmission means that aperiodic, the SRS transmission was adopted.
In the enforcement, the 4th indicating member can also be further used for the transmission means that adopts by the PDCCH signaling when triggering terminal is carried out SRS when transmission indication transmission aperiodic SRS aperiodic.
In the enforcement, determination module can also be further used for when the DCI format with dispatching downlink transmission triggers, according to triggering terminal carry out aperiodic SRS information transmitted whether the PMI information field arranged; Or, when the DCI format with dispatching uplink transmission triggers, according to triggering terminal to carry out aperiodic SRS information transmitted be the CSI domain information.
Fig. 4 is the user terminal structural representation, as shown in the figure, can comprise in the terminal:
In the enforcement, transport module can also be further used for determining employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond the transmission aperiodic SRS or physical channel.
In the enforcement, determination module can comprise with one of lower unit or its combination, wherein:
First determining unit is used for determining in the transmission aperiodic of employed transmission means during SRS according to the transmission means of PUSCH or PDSCH;
Second determining unit is used for determining in the transmission aperiodic of employed transmission means during SRS according to the transmission means of cycle SRS;
The 3rd determining unit, be used for according to aperiodic SRS triggering mode determine in the transmission aperiodic of employed transmission means during SRS.
In the enforcement, determination module can be further used for determining that according to the indication of base station described indication is that the base station sends by high-level signaling, is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic in the transmission aperiodic of employed transmission means during SRS.
In the enforcement, determination module can also be further used for determining according to the indication that indicate when the indicating terminal SRS aperiodic transmission configuration parameter by high-level signaling the base station.
In the enforcement, determination module can comprise the 4th determining unit and/or the 5th determining unit, wherein:
The 4th determining unit is used for determining in the transmission aperiodic of employed transmission means during SRS according to the indication of base station, and described indication is that the base station is passed through the PDCCH signaling and sent, and is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic;
The 5th determining unit is used for carrying out other indication informations that the DCI form of SRS transmission aperiodic comprises according to triggering terminal and determines employed transmission means when transmission SRS aperiodic.
In the enforcement, the 4th determining unit can also be further used for determining according to the indication that the base station carries out indicating when SRS transmits aperiodic in triggering terminal by the PDCCH signaling.
In the enforcement, the 5th determining unit can also be further used for when the DCI format with dispatching downlink transmission triggers, according to triggering terminal carry out aperiodic SRS information transmitted whether the PMI information field arranged; Or, when the DCI format with dispatching uplink transmission triggers, according to triggering terminal to carry out aperiodic SRS information transmitted be the CSI domain information.
For the convenience of describing, the each several part of the above device is divided into various modules with function or the unit is described respectively.Certainly, when enforcement is of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
By above-mentioned enforcement as seen, in the technical scheme that the embodiment of the invention provides, the base station is by the transmission means of high-level signaling or PDCCH signaling dominance or recessive ground indicating terminal SRS aperiodic, thereby the assurance terminal can send SRS aperiodic as required accurately.
The scheme of the transmission mode binding of the transmission means of SRS aperiodic and other transmission signals/channels further also is provided;
The triggering mode scheme of binding of the transmission means that SRS aperiodic further also is provided and SRS aperiodic;
The scheme of independently indicating SRS transmission means aperiodic by high-level signaling further also is provided;
Scheme by PDCCH signaling dominance/recessiveness indication SRS transmission means aperiodic further also is provided.
The technical scheme that the embodiment of the invention provides can change the transmission means of SRS aperiodic flexibly according to application scenarios; And can not conflict with other signalings generations; Signaling indication simultaneously is simple, and signaling consumption seldom.
And, the technical scheme that the embodiment of the invention provides has extensive applicability, can be used for any antenna amount and aerial array (such as linear array, the polarization battle array), any duplex system (TDD (Time DivisionDuplex, time division duplex) system or FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)) system) and arbitrarily sending mode is (such as SU-MIMO (Single Multiple Input Multiple Output, single user's multiple-input, multiple-output), MU-MIMO (Multiple Multiple Input Multiple Output, multi-user's multiple-input, multiple-output), CoMP (Coordinated multi-point transmission/reception, cooperative multipoint transmission and reception)) uplink under.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
- One kind aperiodic SRS transmission method, it is characterized in that, comprise the steps:Terminal is determined employed transmission means when transmission SRS aperiodic;Terminal is according to transmission means transmission SRS aperiodic that determines.
- 2. the method for claim 1 is characterized in that, terminal is determined in the transmission aperiodic of employed transmission means during SRS according to the transmission means of other physical signallings or physical channel.
- 3. method as claimed in claim 2 is characterized in that, terminal is determined employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond the transmission aperiodic SRS or physical channel, comprising:Terminal is determined in the transmission aperiodic of employed transmission means during SRS according to the transmission means of PUSCH or PDSCH;Or terminal is determined in the transmission aperiodic of employed transmission means during SRS according to the transmission means of periodicity SRS;Or terminal is determined in the transmission aperiodic of employed transmission means during SRS according to the triggering mode of SRS aperiodic.
- 4. the method for claim 1, it is characterized in that, terminal determines that according to the indication of base station described indication is that the base station sends by high-level signaling, is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic in the transmission aperiodic of employed transmission means during SRS.
- 5. the method for claim 1 is characterized in that,Terminal determines in the transmission aperiodic of employed transmission means during SRS according to the indication of base station, and described indication is that the base station is passed through the PDCCH signaling and sent, and is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic;Or other indication informations that terminal carries out comprising in the DCI form of SRS transmission aperiodic according to triggering terminal are determined employed transmission means when transmission SRS aperiodic.
- One kind aperiodic detection reference signal SRS the transmission indicating means, it is characterized in that, comprise the steps:The transmission means that the base station need to determine terminal to adopt when transmission SRS aperiodic;The transmission means that the base station indicating terminal adopts when transmission SRS aperiodic.
- 7. method as claimed in claim 6 is characterized in that, base station and terminal agreement is determined employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond transmission SRS aperiodic or physical channel.
- 8. method as claimed in claim 7 is characterized in that, base station and terminal agreement is determined employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond transmission SRS aperiodic or physical channel, comprising:Base station and terminal agreement are determined the transmission means of transmission SRS aperiodic according to the transmission means of PUSCH or PDSCH;Or base station and terminal agreement are determined the transmission means of transmission SRS aperiodic according to the transmission means of cycle SRS;Or base station and terminal agreement are according to the definite transmission means of transmitting SRS aperiodic of triggering mode of SRS aperiodic.
- 9. method as claimed in claim 6 is characterized in that, the transmission means that adopt during SRS in transmission by the high-level signaling indicating terminal aperiodic base station.
- 10. method as claimed in claim 6 is characterized in that,The transmission means that adopt during SRS in transmission by the direct indicating terminal of physical downlink control channel PDCCH signaling aperiodic the base station;Or other indication informations while indicating terminals that the base station utilizes triggering terminal to carry out in the DCI form of SRS transmission aperiodic carry out the transmission means that aperiodic, the SRS transmission was adopted.
- 11. a user terminal is characterized in that, comprising:Determination module is used to determine employed transmission means when transmission SRS aperiodic;Transport module is used for according to transmission means transmission SRS aperiodic that determines.
- 12. user terminal as claimed in claim 11 is characterized in that, transport module is further used for determining employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond the transmission aperiodic SRS or physical channel.
- 13. user terminal as claimed in claim 12 is characterized in that, determination module comprises with one of lower unit or its combination, wherein:First determining unit is used for determining in the transmission aperiodic of employed transmission means during SRS according to the transmission means of PUSCH or PDSCH;Second determining unit is used for determining in the transmission aperiodic of employed transmission means during SRS according to the transmission means of cycle SRS;The 3rd determining unit, be used for according to aperiodic SRS triggering mode determine in the transmission aperiodic of employed transmission means during SRS.
- 14. user terminal as claimed in claim 11, it is characterized in that, determination module is further used for determining in the transmission aperiodic of employed transmission means during SRS according to the indication of base station, described indication is that the base station sends by high-level signaling, is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic.
- 15. user terminal as claimed in claim 11 is characterized in that, determination module comprises the 4th determining unit and/or the 5th determining unit, wherein:The 4th determining unit is used for determining in the transmission aperiodic of employed transmission means during SRS according to the indication of base station, and described indication is that the base station is passed through the PDCCH signaling and sent, and is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic;The 5th determining unit is used for carrying out other indication informations that the DCI form of SRS transmission aperiodic comprises according to triggering terminal and determines employed transmission means when transmission SRS aperiodic.
- 16. a base station is characterized in that, comprising:Determination module is used to determine the transmission means that needs terminal to adopt when transmission SRS aperiodic;Indicating module is used for the transmission means that indicating terminal adopts when transmission SRS aperiodic.
- 17. base station as claimed in claim 16, it is characterized in that indicating module is further used for arranging base station and terminal and determines employed transmission means when transmission SRS aperiodic according to the transmission means of physical signalling beyond transmission SRS aperiodic or physical channel.
- 18. base station as claimed in claim 17 is characterized in that, indicating module comprises with one of lower unit or its combination, wherein:First indicating member is used to arrange base station and terminal according to the definite transmission means of transmitting SRS aperiodic of the transmission means of PUSCH or PDSCH;Second indicating member is used to arrange base station and terminal according to the definite transmission means of transmitting SRS aperiodic of the transmission means of cycle SRS;The 3rd indicating member, be used to arrange base station and terminal according to aperiodic SRS triggering mode determine the transmission means of transmission SRS aperiodic.
- 19. base station as claimed in claim 16 is characterized in that, indicating module is further used for the transmission means that adopts during SRS aperiodic in transmission by the high-level signaling indicating terminal.
- 20. base station as claimed in claim 16 is characterized in that, indicating module comprises the 4th indicating member and/or the 5th definite indicating member, wherein:The 4th indicating member is used for the transmission means that adopts during SRS aperiodic in transmission by PDCCH signaling indicating terminal;The five fingers show the unit, and other indication informations while indicating terminals that are used for utilizing triggering terminal to carry out the DCI form that aperiodic, SRS transmitted carry out the transmission means that aperiodic, the SRS transmission was adopted.
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