Embodiment
Transmission indicating means and the base station of a kind of cycle SRS are provided in the embodiment of the invention; A kind of cycle SRS transmission method and subscriber equipment; Through the transmission means of downlink signaling indication cycle SRS, this programme can be used for the cycle SRS transmission of LTE-A or its evolution system.Describe below in conjunction with the accompanying drawing specific embodiments of the invention.
In declarative procedure, at first will be respectively describe from the enforcement of UE 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 UE and base station separate when implementing, it also solves the problem of UE 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 sketch map of cycle SRS, and is as shown in the figure, and the base station is to comprise the steps: in indication
The transmission means that needs UE when transmission cycle SRS, to adopt is confirmed in step 101, base station;
The transmission means that step 102, base station indication UE adopt when transmission cycle SRS.
Fig. 2 is the transmission method implementing procedure sketch map of cycle SRS, and is as shown in the figure, and the UE side can comprise the steps: when transmission cycle SRS
Step 201, UE confirm employed transmission means when transmission cycle SRS;
Step 202, UE are according to the transmission means transmission cycle SRS that confirms.
In the enforcement, base station side mainly is the transmission means that indication UE side adopts when transmission cycle SRS, and UE then is the transmission means transmission cycle SRS that confirms according to the base station.So in the process of base station indication UE; Can adopt both sides to indicate,, then not need the base station all to indicate under this mode at every turn such as adopting the mode of binding according to predetermined rule; But also can be after rule is set, UE knows that by rule transmission means gets final product; The transmission means that the base station also can adopt means of signaling directly to indicate UE to adopt; When adopting signaling, the transmission means that can directly in signaling, clearly indicate UE to adopt also can combine both sides to indicate according to predetermined rule through the out of Memory in the signaling.
In the enforcement, with 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 in signaling, clearly indicate with information is called the indication of dominance ground.Below will be to through high-level signaling or PDCCH signaling and adopt dominance or the transmission means of recessive ground indication cycle SRS, and the execution mode that UE carries out the transmission of cycle SRS according to information describes.
In force with the dominance or the enforcement of indicating recessively, and through 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 indication UE that adopt UE when the transmission cycle SRS base station, UE get final product by this indication transmission cycle SRS, so dominance or indicate recessively and only be used to instruct specifically embodiment of the present invention how of those skilled in the art through the execution mode that high-level signaling or PDCCH signaling are indicated; But do not mean and only can use dominance or indicate recessively and, can combine demand in practice to confirm corresponding indicating mode in the implementation process through these modes of high-level signaling or PDCCH signaling indication.
In the enforcement, will comprise single antenna transmissions, the single port transmission with the SRS transmission means; At least two kinds in the multiport transmission for example describes, still, and in theory; When adopting other SRS transmission means, also be to adopt the technical scheme that provides in the embodiment of the invention, the transmission means indication UE that also to be the base station adopt UE when the transmission cycle SRS; UE gets final product by this indication transmission cycle SRS, and this is to understand easily for a person skilled in the art, therefore; With above-mentioned transmission means is that example only is used to instruct specifically embodiment of the present invention how of those skilled in the art, but does not mean and only can in these modes, implement.
Mode one
Base station side:
Base station and UE agreement is confirmed the transmission means of transmission cycle SRS according to the transmission means of SRS aperiodic;
Or base station and UE agreement are confirmed the transmission means of transmission cycle SRS according to the transmission means of PUSCH (Physical Uplink Shared Channel, physical uplink link sharing channel).
The UE side:
UE confirms employed transmission means when the transmission cycle SRS according to the transmission means of SRS aperiodic;
Or UE confirms employed transmission means when the transmission cycle SRS according to the transmission mode of PUSCH.
In the practical implementation, can with cycle SRS and aperiodic SRS transmission means bind, such as letting cycle SRS and the identical transmission means of SRS employing aperiodic.
In the enforcement, aperiodic, the transmission means of SRS was to be indicated by high-level signaling or PDCCH signaling.
In the practical implementation, can the transmission mode of cycle SRS and PUSCH be bound, such as when PUSCH adopts the single antenna port mode, cycle SRS adopts single port or single antenna transmissions; When PUSCH adopted space multiplexing mode, cycle SRS adopted the multiport mode to transmit.
In the enforcement, the transmission mode of PUSCH is to be indicated by high-level signaling.
This kind mode can be a kind of indicating mode of implicit expression; In the enforcement and needn't by the concrete indication in base station according to aperiodic SRS transmission means or the transmission mode of PUSCH confirm, can be in UE pre-configured according to aperiodic SRS transmission means or the transmission mode of PUSCH confirm; Also can be that the base station need not be indicated at every turn, and be to use once indication that later UE confirms to get final product according to transmission means or the transmission mode of PUSCH of SRS aperiodic.
Mode two
Base station side:
The transmission means that the base station can indicate UE to adopt when the transmission cycle SRS through high-level signaling.
The UE side:
UE can confirm employed transmission means when the transmission cycle SRS according to the indication of base station, and said indication is that the base station is passed through high-level signaling and sent, and is used to the transmission means of indicating UE when transmission cycle SRS, to adopt.
Concrete, in this mode, can be through the transmission means of high-level signaling independence indication cycle property SRS.High-level signaling indicating terminal such as with 1 bit still is that multiport sends periodically SRS with single port.。
Mode three
Base station side:
The transmission means that the base station can be adopted when the transmission cycle SRS through PDCCH signaling indication UE;
In the enforcement, the transmission means that the signaling of indicating UE to carry out the used transmission means of SRS transmission aperiodic among the multiplexing PDCCH in base station adopts when indicating UE transmission cycle SRS.
The UE side:
UE can confirm employed transmission means when the transmission cycle SRS according to the indication of base station, and said indication is that the base station is passed through the PDCCH signaling and sent, and is used to the transmission means of indicating UE when transmission cycle SRS, to adopt.
In the enforcement, said indication can be that multiplexing base station indicates UE to carry out the signaling of the used transmission means of SRS transmission aperiodic in the PDCCH signaling.
Concrete, in this mode, can be through the transmission means of PDCCH signaling independence indication cycle property SRS, can with aperiodic SRS transmission indicate public identical bit.Such as, if use the transmission of supporting SRS aperiodic more than 1 bit among the PDCCH, then when triggering SRS aperiodic, certain bit is used to indicate the transmission means of SRS aperiodic; When not triggering aperiodic during SRS, this bit is used to indicate the periodically transmission means of SRS.
Mode four
UE can confirm that employed transmission means is for sending periodically SRS from individual antenna when transmission cycle SRS.
In the enforcement, send periodically SRS, can comprise from individual antenna:
If UE has a plurality of transmitting antennas, an antenna transmission of then from a plurality of transmitting antennas, fixing is SRS periodically.
In the practical implementation, whether this kind send mode can be disposed by high-level signaling and adopt.
In the enforcement, when UE has a transmitting antenna, also can comprise:
Send periodically SRS from this transmitting antenna;
When UE has two transmitting antennas, alternately send periodically SRS from two transmitting antennas;
When UE has four transmitting antennas, alternately send periodically SRS from four transmitting antennas.
Concrete, for example: suppose that UE has N transmitting antenna, the time sequence number of current period property SRS is n
SRS, UE does not carry out the SRS Frequency Hopping and allows this UE to carry out a day line options, and then this moment UE is a (n from antenna index
SRS)=n
SRSThe antenna transmission of mod N is SRS periodically, and also the used antenna index of i.e. this moment UE transmission periodicity SRS is a (n
SRS)=n
SRSMod N.
Based on same inventive concept; A kind of base station, subscriber equipment also are provided in the embodiment of the invention; Because the principle that these equipment are dealt with problems is similar with transmission indicating means, the cycle SRS transmission method of cycle SRS; 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 sketch map, and is as shown in the figure, can comprise in the base station:
Determination module 301 is used to confirm the transmission means that needs UE when transmission cycle SRS, to adopt;
Indicating module 302 is used to the transmission means of indicating UE when transmission cycle SRS, to adopt.
In the enforcement, indicating module can comprise first indicating member and/or second indicating member, wherein:
First indicating member, be used for UE agreement according to aperiodic SRS transmission means confirm the transmission means of transmission cycle SRS;
Second indicating member is used for the transmission means of arranging to confirm according to the transmission means of PUSCH transmission cycle SRS with UE.
In the enforcement, indicating module can be further used for the transmission means that adopts when the transmission cycle SRS through high-level signaling indication UE.
In the enforcement, indicating module can be further used for the transmission means that adopts when the transmission cycle SRS through PDCCH signaling indication UE.
In the enforcement, indicating module can also be further used among the multiplexing PDCCH transmission means that adopts when signaling that indication UE carries out the used transmission means of SRS transmission aperiodic is indicated UE transmission cycle SRS.
Fig. 4 is the user device architecture sketch map, and is as shown in the figure, can comprise among the UE:
Determination module 401 is used to confirm employed transmission means when transmission cycle SRS;
Transport module 402 is used for according to the transmission means transmission cycle SRS that confirms.
In the enforcement, determination module can be further used for confirming that employed transmission means is for sending periodically SRS from individual antenna when transmission cycle SRS.
In the enforcement, determination module can also be further used for confirming to send periodically from individual antenna, and SRS is:
If UE has a plurality of transmitting antennas, an antenna transmission of then from a plurality of transmitting antennas, fixing is SRS periodically.
In the enforcement, determination module can also be further used for confirming to send periodically from individual antenna, and SRS is:
When UE has a transmitting antenna, send periodically SRS from this transmitting antenna;
When UE has two transmitting antennas, alternately send periodically SRS from two transmitting antennas;
When UE has four transmitting antennas, alternately send periodically SRS from four transmitting antennas.
In the enforcement, determination module can comprise that first confirms unit and/or second definite unit, wherein:
First confirms the unit, be used for according to aperiodic SRS transmission means confirm employed transmission means when the transmission cycle SRS;
First confirms the unit, is used for confirming employed transmission means when the transmission cycle SRS according to the transmission mode of PUSCH.
In the enforcement, determination module can be further used for confirming employed transmission means when the transmission cycle SRS according to the indication of base station, and said indication is that the base station is passed through high-level signaling and sent, and is used to the transmission means of indicating UE when transmission cycle SRS, to adopt.
In the enforcement, determination module can be further used for confirming employed transmission means when the transmission cycle SRS according to the indication of base station, and said indication is that the base station is passed through the PDCCH signaling and sent, and is used to the transmission means of indicating UE when transmission cycle SRS, to adopt.
In the enforcement, determination module can be further used for confirming according to the signaling that multiplexing base station indicates UE to carry out the used transmission means of SRS transmission aperiodic in the PDCCH signaling by determination module.
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 embodiment of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
Visible by above-mentioned enforcement; In the technical scheme that the embodiment of the invention provides; The terminal receives the periodicity SRS transmission means of base station through high-level signaling or the indication of PDCCH signaling; Carry out the periodically transmission of SRS according to this indication information, perhaps periodically SRS is sent from individual antenna in the terminal, thus the periodicity SRS of support of enhanced transmission.
The scheme of base station through high-level signaling or PDCCH signaling indication cycle property SRS transmission means further also is provided;
Further also provide the terminal to send the periodically scheme of SRS from individual antenna.
The technical scheme that the embodiment of the invention provides can be supported multiple periodicity SRS transmission means, comprises the enhancement techniques that LTE-A possibly introduce; And signaling consumption seldom, can support more transmitting antenna to switch, such as the switching between four antennas.
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, polarization battle array); Any duplex system (TDD (Time DivisionDuplex; Time division duplex) system or FDD (Frequency Division Duplex, 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), the uplink CoMP (Coordinated multi-point transmission/reception, cooperative multipoint transmission and reception)).
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.