CN102427608B - Method and device for sending SRS (Sounding Reference Symbol) and indicating to send SRS - Google Patents

Method and device for sending SRS (Sounding Reference Symbol) and indicating to send SRS Download PDF

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Publication number
CN102427608B
CN102427608B CN201110402042.4A CN201110402042A CN102427608B CN 102427608 B CN102427608 B CN 102427608B CN 201110402042 A CN201110402042 A CN 201110402042A CN 102427608 B CN102427608 B CN 102427608B
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srs
transmitted power
configuration information
information
srs transmitted
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CN102427608A (en
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陈文洪
高秋彬
彭莹
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Priority to PCT/CN2012/079335 priority patent/WO2013082948A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method and a device for sending an (Sounding Reference Symbol) and indicating to send the SRS (Sounding Reference Symbol). The method comprises the following steps: confirming configuration information of UE (User Equipment), which is used for confirming at least two SRS transmitted powers, wherein the at least two SRS transmitted powers are transmitted powers used for measuring with different aims; and indicating the confirmed configuration information to the UE, so that the UE confirm the at least two SRS transmitted powers according to the indication, and transmitting the SRS by adopting the different SRS transmitted powers at different moments. According to the invention, the UE can use different transmitted powers to transmit the SRS at different moments according to different requirements, so that the transmitted powers of the SRS can meet the requirements of upload measurement and download measurement.

Description

A kind of method and apparatus sending SRS and instruction SRS and send
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of method and apparatus sending SRS and instruction SRS and send.
Background technology
At existing LTE-A (Long Term Evolution-Advanced, long-term evolution upgrading) in system, uplink SRS (Sounding Reference Symbol, detection reference signal) may be used for the measurement of uplink signal-channel quality thus carry out uplink scheduling, also channel heterogeneite can be utilized for obtaining descending channel information, thus carry out descending scheduling and transmission.
There are two kinds of dissimilar uplink SRS in current standard: cycle SRS and aperiodic SRS.Cycle SRS needs the transmission cycle being configured SRS by base station, and terminal is according to the transmission SRS of configuration cycle property; Aperiodic, SRS was triggered by PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) by base station, and after triggering, terminal only sends a SRS.
The transmitted power of uplink SRS is obtained by following formula:
P SRS,c＝min{P CMAX,c,P SRS_OFFSET,c(m)+10log 10(M SRS,c)+P O_PUSCH,c+α c·PL c+f c}
Wherein P cMAX, cthe maximum transmit power of UE, P sRS_OFFSET, cm () is SRS transmitted power adjusted value, m=0 and m=1 indicate respectively cycle SRS and aperiodic SRS transmitted power adjusted value, its span is determined by higher level parameters Ks, and as Ks=0, its span is [-10.5,12], and step-length is 1.5dB; As Ks=1.25, its span is [-3,12], and step-length is 1dB, and concrete value is notified by high-level signaling; (M sRS, c) be the transmission bandwidth of SRS, P o_PUSCH, ccell broadcast parameters P o_Nominal_PUSCHthe high-rise power control parameters P special with UE o_UE_PUSCHand, α cfor compensating factor, PL cthat descending path loss is estimated, carry out measurement by UE end to obtain, its value is CRS (the Cell Reference Signal of descending base station, cell reference signals) RSRP (the Reference Signal Receiving Power that reports of transmitted power and UE, Reference Signal Received Power) ratio, f cbe the power control parameters of closed loop, obtained by the power control commands in DCI (Downlink Control Information, Downlink Control Information) format0/4/3/3A.F ccan be accumulated value also can be absolute value.Wherein, for parameter P o_UE_PUSCHand f c, the former is notified by high-level signaling, can carry out quasi-static power control, take 4 bits, and scope is [-7,8], step-length 1dB.The latter, by PDCCH signaling, can be to a front value and δ pUSCHaccumulated value also can be absolute value f c=δ pUSCH.
The δ that the power control parameters indicated in different DCI format obtains pUSCHvalue is different, specifically as shown in table 1:
Table 1
RRH (Remote Radio Head, remote radio head) also known as RRU (Ratio Remote Unit, RF far-end module), RRE (Remote radio equipment, remote radio devices), spaced antenna etc., it is a radio frequency unit be separated with BBU (Building Base band Unit, baseband processing unit).Usual RRH and BBU is placed on different geographical position.RRH comprises the parts such as radio circuit, A/D conversion, D/A conversion, light delivery module.RRH is connected with BBU by optical fiber.Distributed RRH is a kind of network morphology utilizing RRH networking.RRH is dispersed in an Intra-cell, because the distance of distance users terminal is less, can provide high-quality communication service to terminal.Because the data of RRH are all focused on by BBU, this brings possibility just to the efficient collaboration, both between RRH, the scene that therefore distributed RRH one of becoming that CoMP (Coodinated Multi-Point works in coordination with multicast communication) studies is important.
The deployment of distributed RRH can be divided into two kinds according to or without macro station: without macro station and have macro station.As shown in Figure 1a for there being the RRH of macro station to dispose, wherein, the scene of macro station is had to be generally that the RRH increased on existing network foundation covers with the focus meeting some areas.Have the RRH of macro station not need to cover all positions, therefore its geographical position is generally random (position occurred with focus is relevant), and the RRH without macro station needs all positions of coverage cell.
In up UL CoMP transmission, network side receiving terminal can by multiple transfer point (comprising above-mentioned RRH) receives UE (User Equipment simultaneously, subscriber equipment) data that send, improve detection perform by the merging of Received signal strength.Now, uplink SRS may be used for the detection of up channel, network side receiving terminal is on the one hand according to the set of channel strength determination transfer point, dispatch according to the channel information of detection on the other hand, determine RI (the Rank Indication that UE transmits, order indicates) measurement parameter such as/PMI (Precoding Metrix Indicator, pre-coding matrix index)/CQI (Channel Quality Indicator, channel quality indicate).Due to up PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) transmitted power is unique, the general detection only needing several nearest transfer points of distance UE to carry out channel, the measurement of these points of a transmitted power demand fulfillment of SRS.Such as in Fig. 1 a and Fig. 1 b, only need two nearest RRH to carry out sounding and detect.
In descending DL CoMP transmission, network side receiving terminal utilizes the measurement of uplink SRS to obtain descending channel information according to channel heterogeneite, these channel informations both may be used for scheduling, determine the cooperation set/measuring assembly of UE/transmission set and frequency domain resource and CQI, also may be used for CS (the Coordinated scheduling of base station end, cooperative scheduling)/CB (Coordinated beamforming, collaborative wave beam ties up shape) or the operation of the CoMP transmission such as JP (Joint Processing, joint transmission).
Because the transmitted power of different transfer point may be different, the cooperation set of UE covers larger scope and more transfer point possibly, if the measurement of SRS all will be carried out in these transfer points, then SRS is needed to launch with larger transmitted power, the reliability that guarantee is measured.Such as in fig 1 a, macro station Macro and all RRH, in the cooperation set of UE1 and UE2, will carry out the detection of SRS.
In prior art cycle SRS and aperiodic SRS all only have unique transmission power value, different up channel measurement demands can not be met.If according to the demand allocating power value of uplink, then the descending demand determining measuring assembly cannot be met; If send SRS according to larger transmitted power, be then the waste of power for the measurement of uplink.
Summary of the invention
The invention provides a kind of method and apparatus sending SRS and instruction SRS and send, the transmitted power of SRS can be made to meet the demand of uplink measurement and downlink transfer measurement.
The invention provides the method that a kind of network equipment instruction detection reference signal SRS sends, comprising:
Determine the configuration information for determining at least two SRS transmitted powers of user equipment (UE), the transmitted power used when described at least two SRS transmitted powers are the measurement for different object;
The configuration information determined is indicated to described UE, to make described UE determine at least two SRS transmitted powers according to instruction, and indicates UE in different resources, adopt different SRS transmitted powers to send SRS.
The present invention also provides a kind of user equipment (UE) to send the method for SRS, comprising:
Receive the configuration information for determining at least two SRS transmitted powers of network equipment instruction, described at least two SRS transmitted powers, comprise the transmitted power of the SRS use of measuring for up channel, and be used for the transmitted power of the SRS use that down channel is measured according to channel heterogeneite;
Determine at least two SRS transmitted powers according to described configuration information, and on different resource, adopt different SRS transmitted powers to send SRS according to the instruction of network equipment.
The present invention also provides a kind of network equipment, comprising:
Power configuration unit, for determining the configuration information for determining at least two SRS transmitted powers of user equipment (UE), the transmitted power used when described at least two SRS transmitted powers are the measurement for different object;
Power configuration indicating member, for the configuration information determined is indicated to described UE, to make described UE determine at least two SRS transmitted powers according to instruction, and indicates UE in different resources, adopt different SRS transmitted powers to send SRS.
The present invention also provides a kind of user equipment (UE), comprising:
Power configuration acquiring unit, for receiving the configuration information for determining at least two SRS transmitted powers of network equipment instruction;
SRS transmitting element, for determining at least two SRS transmitted powers according to described configuration information, and is not adopting different SRS transmitted power transmission SRS in the same time according to the instruction of network equipment.
The method utilizing network equipment provided by the invention and instruction SRS thereof to send, the method for UE and transmission SRS thereof, there is following beneficial effect: UE can be made according to different demands not go up the transmission carrying out SRS by different transmitted powers in the same time, make the transmitted power of SRS meet the demand of uplink measurement and downlink transfer measurement; SRS transmitted power is reduced as far as possible while satisfying the demands.
Accompanying drawing explanation
Uplink when Fig. 1 a is different districts ID under RRH scene and downlink transfer schematic diagram;
Uplink when Fig. 1 b is same cells ID under RRH scene and downlink transfer schematic diagram;
Fig. 2 is the method flow diagram that in the embodiment of the present invention, network equipment instruction SRS sends;
Fig. 3 is the method flow diagram that in the embodiment of the present invention, UE sends SRS;
Fig. 4 is network equipment structure chart in the embodiment of the present invention;
Fig. 5 is UE structure chart in the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples to network equipment provided by the invention and the method for instruction SRS transmission, the method for UE and transmission SRS thereof, illustrate in greater detail.
In existing lte-a system, SRS may be used for the measurement of uplink signal-channel quality thus carries out uplink scheduling, channel heterogeneite also can be utilized for obtaining descending channel information, thus carry out descending scheduling and transmission.In CoMP system, due to the independence of downstream transmission, uplink needs the channel information of channel and the downlink transfer needs acquisition of measuring to be often different, therefore needs the transfer point set carrying out sounding measurement also different.For uplink, usual measurement point is all the nearer transfer point of distance UE, so SRS transmitted power need not be too high; And if metrical information is the selection for descending CoMP set, then needs transfer point in a big way to measure, measure and require that SRS transmitted power also can be higher.In order to meet different measurement demands, reduce the transmitted power of SRS as far as possible simultaneously, the invention process proposes a kind of method of network equipment and instruction SRS transmission thereof, the method for UE and transmission SRS thereof, is described the specific embodiment of the present invention below in conjunction with accompanying drawing.
In declarative procedure, to first be described from the enforcement of network side and UE side respectively, then implement to be described to the cooperation of the two with example, but this does not also mean that the two must coordinate enforcement, in fact, when UE and network equipment separate implement time, also solve Problems existing on UE side, network side respectively, when just the two is combined, better technique effect can be obtained.
As shown in Figure 2, the method that network equipment instruction SRS sends, comprising:
Step 201, determine the configuration information for determining at least two SRS transmitted powers of user equipment (UE), described at least two SRS transmitted powers, for the transmitted power used during measurement for different object, preferably, specifically comprise the transmitted power of the SRS use of measuring for up channel, and be used for the transmitted power of the SRS use that down channel is measured according to channel heterogeneite;
Step 202, is indicated to described UE by the configuration information determined, to make described UE determine at least two SRS transmitted powers according to instruction, and indicates UE in different resources, adopt different SRS transmitted powers to send SRS.
The method that the embodiment of the present invention provides, configuration information to UE instruction can determine at least two SRS transmitted powers, thus make UE on different resource, carry out the transmission of SRS by different transmitted powers, the SRS transmitted power that up channel measurement requires and the SRS transmitted power meeting down channel measurement requirement is met because these two transmitted powers comprise, therefore, when can reduce the transmitted power of SRS as far as possible, the transmitted power of SRS is made to meet the demand of uplink measurement and downlink transfer measurement.
The method that network equipment instruction SRS provided by the invention sends is suitable for being applied in CoMP system, then above-mentioned network equipment is specially the base station communicated with UE.For the situation having macro base station, can be macro base station or low power nodes (RRH), for the situation without macro base station, be low power nodes (RRH).
UE sends SRS mode and comprises periodic transfer transmitting SRS and aperiodicity transmitting SRS, specifically network side is indicated to UE, or on UE, the mode such as to configure separately, under providing periodic transfer transmitting SRS and aperiodicity transmitting SRS situation below respectively, the preferred implementation that network equipment instruction SRS of the present invention sends.
For the situation of cyclical transmission SRS, the configuration information for determining at least two SRS transmitted powers of UE is determined in base station, and the configuration information determined is indicated to UE; The SRS transmission cycle corresponding for the configuration of each SRS transmitted power and/or SRS send resource occupation information and are indicated to UE, adopt different SRS transmitted powers to send SRS to make UE in different resources.These instructions can be indicate simultaneously, also can be indicate respectively.
Preferably, above-mentioned instruction can send to UE by high-level signaling.
Preferably, in the embodiment of the present invention, for determining the configuration information of at least two SRS transmitted powers, specifically comprise the relevant parameter in the setting formula calculating SRS transmitted power and value thereof, wherein to the different value of same relative parameters setting; Or the relevant parameter specifically comprised in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, in described configuration information, to same relative parameters setting value.
Preferably, the relevant parameter calculated in the setting formula of SRS transmitted power comprises transmitted power adjusted value P sRS_OFFSET, cm (), in described configuration information, to P sRS_OFFSET, cm () arranges different value; Or described configuration information comprises P sRS_OFFSET, c(m) and expression P sRS_OFFSET, cthe new argument P of (m) side-play amount offsetand P offsetvalue, to P in described configuration information sRS_OFFSET, cm value that () is arranged is one; Wherein, during m=0 or m=1, m=0, P sRS_OFFSET, cthe transmitted power adjusted value of (m) indication cycle SRS, m=1, P sRS_OFFSET, cm () represents the transmitted power adjusted value of SRS aperiodic.
Therefore, the embodiment of the present invention can be carried out expansion to the current relevant parameter calculated in the setting formula of SRS transmitted power and obtained multiple performance number, such as to P sRS_OFFSET, cm () expands, also can introduce new argument and be used for obtaining multiple performance number, such as indicates new argument and P sRS_OFFSET, cm the difference of () substitutes into formula.
Preferably, when the SRS corresponding for the configuration of each SRS transmitted power sends the cycle, it is multiple proportion that corresponding multiple SRS send the cycle, its value can be reused in current system for configuring the allocation list in SRS cycle, if then the initial subframe of transmission in multiple SRS transmission cycle is identical, then the sub-frame resources that multiple SRS transmitted power takies is the relation of subset.
Preferably, when the SRS corresponding for the configuration of each SRS transmitted power sends resource occupation information, SRS sends the combination that resource occupation information comprises the arbitrary as follows or any number of information that SRS takies: subframe position information, frequency domain resource positional information, circular shift information, port information, as SRS sends sub-frame offset, SRS frequency hopping configures, SRS bandwidth, the information such as SRS cyclic shift, for every category information, can be that each SRS transmitted power is configured separately, also can adopt public configuration, namely adopt identical configuration.
Preferably, multiple SRS transmitted power configuration can have certain priority orders, and base station and user equipment (UE) are arranged each SRS transmitted power and configured, and the priority that such as performance number is larger is higher.
For the situation of aperiodicity transmitting SRS, there are two kinds of methods indicating SRS to send.
Method 1
The configuration information for determining at least two SRS transmitted powers of UE is determined in base station, and the configuration information determined is indicated to UE; For the SRS that the configuration of each SRS transmitted power is corresponding sends resource occupation information or triggers subframe resource information and be indicated to UE, in different resources, different SRS transmitted powers is adopted to send SRS to make UE.These instructions can be indicate simultaneously, also can be indicate respectively.
Preferably, above-mentioned instruction can send to UE by high-level signaling.
Preferably, in the embodiment of the present invention, for determining the configuration information of at least two SRS transmitted powers, specifically comprise the relevant parameter in the setting formula calculating SRS transmitted power and value thereof, wherein to the different value of same relative parameters setting; Or the relevant parameter specifically comprised in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, in described configuration information, to same relative parameters setting value.
Preferably, the relevant parameter calculated in the setting formula of SRS transmitted power comprises P sRS_OFFSET, cm (), in described configuration information, to P sRS_OFFSET, cm () arranges different value; Or described configuration information comprises P sRS_OFFSET, c(m) and expression P sRS_OFFSET, cthe new argument P of (m) side-play amount offsetand P offsetvalue, to PS in described configuration information rS_OFFSET, cm value that () is arranged is one; Wherein, during m=0 or m=1, m=0, P sRS_OFFSET, cthe transmitted power adjusted value of (m) indication cycle SRS, m=1, P sRS_OFFSET, cm () represents the transmitted power adjusted value of SRS aperiodic.
Therefore, the embodiment of the present invention can be carried out expansion to the current relevant parameter calculated in the setting formula of SRS transmitted power and obtained multiple performance number, such as to P sRS_OFFSET, cm () expands, also can introduce new argument and be used for obtaining multiple performance number, such as indicates new argument and P sRS_OFFSET, cm the difference of () substitutes into formula.
Preferably, the SRS corresponding for the configuration of each SRS transmitted power sends resource occupation information, comprise the combination of the arbitrary as follows or any number of information that SRS takies: subframe position information, frequency domain resource positional information, circular shift information, port information, as SRS sends sub-frame offset, SRS frequency hopping configures, SRS bandwidth, the information such as SRS cyclic shift, for every category information, can be configure separately each SRS transmitted power, also can adopt public configuration, namely adopt identical configuration.
Preferably, target SRS transmitted power, in above-mentioned at least two different SRS transmitted powers, is determined in base station, and the SRS corresponding in target SRS transmitted power triggers triggering sub-frame resources being carried out SRS aperiodic; Or, trigger UE and send at the SRS that target SRS transmitted power is corresponding transmission resource being carried out SRS aperiodic.
Preferably, multiple SRS transmitted power configuration can have certain priority orders, and base station and UE arrange each SRS transmitted power and configure corresponding priority, and the priority that such as performance number is larger is higher.
Method 2
The configuration information for determining at least two SRS transmitted powers of UE is determined in base station, and the configuration information determined is indicated to UE; The configuration information of the SRS transmitted power adopted by PDCCH signaling instruction UE.These instructions can be indicate simultaneously, also can be indicate respectively
Preferably, the configuration information determined is indicated to UE by high-level signaling.
Preferably, in the embodiment of the present invention, for determining the configuration information of at least two SRS transmitted powers, specifically comprise the relevant parameter in the setting formula calculating SRS transmitted power and value thereof, wherein to the different value of same relative parameters setting; Or the relevant parameter specifically comprised in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, in described configuration information, to same relative parameters setting value.
Preferably, the relevant parameter calculated in the setting formula of SRS transmitted power comprises P sRS_OFFSET, cm (), in described configuration information, to P sRS_OFFSET, cm () arranges different value; Or described configuration information comprises P sRS_OFFSET, c(m) and expression P sRS_OFFSET, cthe new argument P of (m) side-play amount offsetand P offsetvalue, to P in described configuration information sRS_OFFSET, cm value that () is arranged is one; Wherein, during m=0 or m=1, m=0, P sRS_OFFSET, cthe transmitted power adjusted value of (m) indication cycle SRS, m=1, P sRS_OFFSET, cm () represents the transmitted power adjusted value of SRS aperiodic.
Therefore, the embodiment of the present invention can be carried out expansion to the current relevant parameter calculated in the setting formula of SRS transmitted power and obtained multiple performance number, such as to P sRS_OFFSET, cm () expands, also can introduce new argument and be used for obtaining multiple performance number, such as indicates new argument and P sRS_OFFSET, cm the difference of () substitutes into formula.
Preferably, the index that the configuration information of different SRS transmitted powers is corresponding different, especially by the index (index corresponding in high level configuration) that the configuration information of the SRS transmitted power of instruction UE employing is corresponding, the configuration information of the SRS transmitted power that instruction UE adopts.
Preferably, utilize the PDCCH signaling triggering SRS aperiodic and send, the configuration information of the SRS transmitted power that instruction UE adopts; Or by triggering DCI (the Downlink Control Information at the PDCCH signaling place that SRS sends aperiodic, Downlink Control Information) in, other signalings except triggering the PDCCH signaling of SRS transmission aperiodic, the configuration information of the SRS transmitted power that instruction UE adopts.
The embodiment of the present invention also provides a kind of user equipment (UE) to send the method for SRS, as shown in Figure 3, comprises the steps:
Step 301, receive the configuration information for determining at least two SRS transmitted powers of network equipment instruction, described at least two SRS transmitted powers, for the transmitted power used during measurement for different object, preferably, comprise the transmitted power of the SRS use of measuring for up channel, and be used for the transmitted power of the SRS use that down channel is measured according to channel heterogeneite;
Step 302, determines at least two SRS transmitted powers according to described configuration information, and the instruction according to network equipment adopts different SRS transmitted powers to send SRS at different resource.
The method that UE provided by the invention sends SRS is suitable for being applied in CoMP system, then above-mentioned network equipment is specially the base station communicated with UE.
Under providing periodic transfer transmitting SRS and aperiodicity transmitting SRS situation below respectively, UE of the present invention sends the preferred implementation of SRS.
For periodicity SRS, UE determines at least two SRS transmitted powers according to the configuration information that base station indicates, obtain base station instruction be each SRS transmitted power configuration correspondence SRS transmission the cycle, when arriving the corresponding SRS transmission cycle, send in resource occupation information at public SRS, SRS is sent by the SRS transmitted power of correspondence, it is prior art that UE obtains public SRS transmission resource mode, if configuration is to modes such as UE, although different capacity SRS adopts identical transmission resource to send, namely can send in the same position of subframe, but the transmission cycle corresponding due to different SRS transmitted powers is different, therefore can send in different subframes.Preferably, if the transmission cycle causes sending at synchronization, then according to the priority corresponding with each SRS transmitted power that base station is arranged, the SRS transmitted power that priority is the highest is selected to send SRS.
Or, the SRS transmission resource occupation information of the correspondence of each SRS transmitted power configuration that what UE obtained base station instruction be, taking corresponding SRS transmission resource, SRS is sent by the SRS transmitted power of correspondence, particularly, for the meeting of each SRS transmitted power configuration correspondence is by the resource periodically taken, periodically can send SRS to make UE.
Or the SRS of each SRS transmitted power configuration that what UE obtained base station instruction be sends cycle and SRS and sends resource occupation information, when arriving the corresponding transmission cycle and/or take corresponding SRS and send resource, with the SRS transmitted power transmission SRS of correspondence.If there is at synchronization the SRS sending multiple SRS power, then according to configuring corresponding priority with each SRS transmitted power that base station is arranged, the SRS transmitted power that priority is the highest is selected to send SRS.
Preferably, if described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, the different value of same relative parameters setting, then by each value is substituted into described setting formula respectively, obtain at least two SRS transmitted powers.
If described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, configuration information is to same relative parameters setting value, then the value of relevant parameter in configuration information, the new value of relevant parameter that utilizes new argument to determine are substituted into setting formula respectively, obtain at least two SRS transmitted powers.
As by P sRS_OFFSET, cm () arranges different value and substitutes into setting formula respectively, or by a P of base station instruction sRS_OFFSET, c(m) value and P sRS_OFFSET, cm () value and new argument carry out the new value obtained after corresponding computing, substitute into setting formula respectively and obtain multiple SRS transmitted power.
Preferably, if the SRS that UE obtains sends resource occupation information, then SRS sends the combination that resource occupation information comprises the arbitrary as follows or any number of information that SRS takies: subframe position information, frequency domain resource positional information, circular shift information, port information.As SRS sends sub-frame offset, SRS bandwidth, SRS frequency hopping configures, the information such as SRS cyclic shift, if some information does not configure, then this information adopts common configuration (can in advance dispensing UE).
SRS is sent for SRS aperiodic, UE and has two kinds of methods.
Method 1
UE determines at least two SRS transmitted powers according to the configuration information that base station indicates, what acquisition UE indicated is the SRS transmission resource occupation information of the correspondence of each SRS transmitted power configuration and/or triggers subframe resource information, determines the transmission resource that each SRS transmitted power is corresponding or triggering sub-frame resources; For determining the situation triggering sub-frame resources, after receiving SRS triggering aperiodic signaling, utilize the SRS transmitted power that aperiodic, SRS triggered signaling place triggering sub-frame resources corresponding to send SRS, specifically can determine that corresponding SRS sends resource according to triggering sub-frame resources according to setting rule; Or for determining that SRS sends the situation of resource, after receiving SRS triggering aperiodic signaling, the SRS transmitted power utilizing the transmission resource shared by SRS aperiodic corresponding sends SRS.
Preferably, if synchronization is to when should have at least two SRS transmitted powers, comprise further: configure corresponding priority according to what arrange with network equipment for each SRS transmitted power, select the SRS transmitted power that priority is the highest to send SRS.
Preferably, if described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, the different value of same relative parameters setting, then by each value is substituted into described setting formula respectively, obtain at least two SRS transmitted powers.
If described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, configuration information is to same relative parameters setting value, then the value of relevant parameter in configuration information, the new value of relevant parameter that utilizes new argument to determine are substituted into setting formula respectively, obtain at least two SRS transmitted powers.
As by P sRS_OFFSET, cm () arranges different value and substitutes into setting formula respectively, or by a P of base station instruction sRS_OFFSET, c(m) value and P sRS_OFFSET, cm () value and new argument carry out the new value obtained after corresponding computing, substitute into setting formula respectively and obtain multiple SRS transmitted power.
Preferably, if the SRS that UE obtains sends resource occupation information, then SRS sends the combination that resource occupation information comprises the arbitrary as follows or any number of information that SRS takies: subframe position information, frequency domain resource positional information, circular shift information, port information.As SRS sends sub-frame offset, SRS bandwidth, SRS frequency hopping configures, the information such as SRS cyclic shift, if some information does not configure, then this information adopts common configuration (can in advance dispensing UE).
Method 2
UE determines at least two SRS transmitted powers according to the configuration information that base station indicates, and according to the configuration information of the SRS transmitted power that base station is indicated by PDCCH signaling, determines the SRS transmitted power indicated; After receiving SRS triggering aperiodic signaling, the SRS transmitted power of instruction is adopted to send SRS.
Preferably, if described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, the different value of same relative parameters setting, then by each value is substituted into described setting formula respectively, obtain at least two SRS transmitted powers.
If described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, configuration information is to same relative parameters setting value, then the value of relevant parameter in configuration information, the new value of relevant parameter that utilizes new argument to determine are substituted into setting formula respectively, obtain at least two SRS transmitted powers.
As by P sRS_OFFSET, cm () arranges different value and substitutes into setting formula respectively, or by a P of base station instruction sRS_OFFSET, c(m) value and P sRS_OFFSET, cm () value and new argument carry out the new value obtained after corresponding computing, substitute into setting formula respectively and obtain multiple SRS transmitted power.
Do not need base station to be that UE configures SRS transmission resource information in the present embodiment, the SRS of different transmitted power uses public transmission resource to send.Transmission opportunity is by base station triggers, and base station can notify which transmitted power UE uses send.
Preferably, above-mentioned configuration information is configured by high-level signaling, the index that the configuration information of different SRS transmitted powers is corresponding different, configuration information especially by the SRS transmitted power of base station instruction configures corresponding index at high level, determine the configuration information of the SRS transmitted power that base station indicates, thus determine to adopt which SRS transmitted power to send.
Preferably, by receiving the PDCCH signaling triggering SRS aperiodic and send, obtain the configuration information of the SRS transmitted power that base station instruction UE adopts; Or by the Downlink Control Information DCI that triggers the PDCCH signaling place that SRS sends aperiodic, other signalings except triggering PDCCH signaling that SRS sends aperiodic, obtain the configuration information of SRS transmitted power that base station instruction UE adopts.
Provide the above-mentioned network equipment instruction of the present invention below and send the method for SRS and the method for UE transmission SRS.
Embodiment 1
1) base station is that UE configures SRS power offset values P by high-level signaling sRS_OFFSET, cand another new argument-deviant P (0) offset, UE is based on P sRS_OFFSET, cand PS (0) rS_OFFSET, c(0)+P offsetaccording to SRS rating formula, obtain two cycle SRS transmitted power P0 and P1 respectively, be respectively used to up channel and measure and down channel measurement.
2) base station is that two transmitted power P0 and P1 configure a transmission cycle respectively, and agreement is according to performance number size determination priority.The transmission cycle that such as P0 is corresponding is the transmission cycle that 5ms, P1 are corresponding is 20ms.P1 is greater than P0, and therefore the priority of P1 is higher.
3) base station is that UE configures SRS transmission resource occupation information, such as SRS bandwidth, and SRS offsets, and SRS frequency hopping configures, SRS port number and SRS cyclic shift etc., and these parameters are all identical for these two power P 0 and P1 configuration.
4) UE is according to the configuration of base station, sends period 1 SRS with the transmitted power of the transmission cycle of 5ms and P0, sends SRS second round with the transmitted power of the transmission cycle of 20ms and P1.Concrete SRS sends resource by step 3) in SRS send resource occupation information and obtain.Because the original position of these two cycle SRS is identical, second round, the sub-frame resources of SRS was the subset of period 1 SRS resource, and the sub-frame resources now overlapped according to priority all should send SRS according to P1.So terminal is actually and sends cycle SRS with the cycle of 5ms, wherein every 20ms cycle sends according to the power of P1, and the cycle SRS in other moment sends with the power of P0.
Embodiment 2
1) base station is that UE configures SRS power offset values P by high-level signaling sRS_OFFSET, cand another new argument-deviant P (1) offset, UE is based on P sRS_OFFSET, cand P (1) sRS_OFFSET, c(1)+P offsetaccording to SRS rating formula obtain two aperiodic SRS transmitted power P0 and P1, be respectively used to up channel measure and down channel measurement.Base station and UE arrange the priority of two transmitted power P0 and P1 configuration, and the priority that namely transmitted power is higher is higher.
2) base station is the SRS transmission resource information of each SRS transmitted power configuration correspondence of UE, and the sub-frame resources configuration cycle that different SRS power is corresponding is different.The sub-frame resources configuration cycle that such as P0 is corresponding is 10ms (namely every 10ms has a sub-frame resources to may be used for the transmission of SRS this kind of aperiodic), and the configuration cycle of the sub-frame resources that P1 is corresponding is 20ms.
3) base station is that UE configures other SRS configuration parameters, mainly configures SRS and sends resource occupation information, such as SRS bandwidth, the initial subframe of SRS resource, SRS frequency hopping configures, and SRS port number and SRS cyclic shift etc., these parameters are all identical for these two power configuration.
4) UE is according to the configuration of base station, after receiving the SRS triggering aperiodic signaling comprised in certain DCI, trigger signaling according to SRS aperiodic and determine that SRS used sends resource, if when SRS sent and do not send in the SRS transmission sub-frame resources that P1 is corresponding in the SRS transmission sub-frame resources that P0 is corresponding the aperiodic of triggering, transmit SRS aperiodic with the transmitted power of P0 in respective resources; If when the aperiodic of triggering, SRS transmitted in the SRS transmission sub-frame resources that P1 is corresponding, transmit SRS aperiodic with the transmitted power of P1 in respective resources.If the SRS that P1 and P0 is corresponding sends sub-frame resources and overlaps, then use the transmitted power of the high P1 of priority in respective resources, transmit SRS aperiodic.
Embodiment 3
1) base station is that UE configures SRS power offset values P by high-level signaling sRS_OFFSET, cand another new argument-deviant P (1) offset, UE is based on P sRS_OFFSET, cand P (1) sRS_OFFSET, c(1)+P offsetaccording to SRS rating formula, obtain two aperiodic SRS transmitted power P0 and P1, be respectively used to up channel measure and down channel measurement.
2) aperiodic SRS transmission is triggered by some bits of certain DCI in PDCCH in base station, and the index of the SRS transmitted power indicating UE to adopt with these bits configuration, this index indicates target SRS transmitted power and is configured in position in two SRS transmitted powers configurations of high-rise instruction simultaneously.
3) other SRS parameter configuration of base station instruction UE, mainly SRS sends resource occupation information, such as SRS bandwidth, the initial subframe of SRS resource, SRS frequency hopping configures, and SRS port number and SRS cyclic shift etc., these parameters are all identical for these two power configuration.
4) after UE receives SRS triggering aperiodic comprised in certain DCI, according to the index triggering the SRS transmitted power comprised in signaling, the transmitted power finding index corresponding from two SRS transmitted powers of high-level signaling configuration, as the transmitted power of SRS aperiodic, and carry out the transmission of SRS aperiodic according to the SRS parameter configuration of base station instruction.Such as, the transmitted power index comprised in trigger message is 1, then instruction adopts P1 as the transmitted power of SRS aperiodic.
Embodiment 4
1) base station is that UE configures SRS power offset values P by high-level signaling sRS_OFFSET, cand another new argument-deviant P (1) offset, UE is based on P sRS_OFFSET, cand P (1) sRS_OFFSET, c(1)+P offsetaccording to SRS rating formula obtain two aperiodic SRS transmitted power P0 and P1, be respectively used to up channel measure and down channel measurement.Base station and UE arrange the priority of two transmitted power P0 and P1 configuration, and the priority that namely transmitted power is higher is higher.
2) base station is the triggers frame information of each SRS transmitted power configuration correspondence of UE, and the triggering sub-frame configuration that different SRS power is corresponding is different.The triggers frame information that such as P0 is corresponding is odd numbered sub-frames, and the triggers frame information that P1 is corresponding is even subframe.
3) base station is that UE configures other SRS configuration parameters, mainly configures SRS and sends resource occupation information, such as SRS bandwidth, the initial subframe of SRS resource, SRS frequency hopping configures, and SRS port number and SRS cyclic shift etc., these parameters are all identical for these two power configuration.
4) UE is according to the configuration of base station, after receiving the SRS triggering aperiodic signaling comprised in certain DCI, if judge aperiodic SRS trigger signaling in the triggering sub-frame resources that P0 is corresponding not in the triggering sub-frame resources that P1 is corresponding time, in respective resources, transmit SRS aperiodic with the transmitted power of P0; If when SRS triggering aperiodic signaling is in the triggering sub-frame resources that P1 is corresponding, transmit SRS aperiodic with the transmitted power of P1 in respective resources.
Based on same inventive concept, a kind of network equipment and user equipment (UE) is additionally provided in the embodiment of the present invention, because these equipment principle of dealing with problems and a kind of method that SRS of instruction sends, a kind of method sending SRS are similar, therefore the enforcement of these equipment see the enforcement of method, can repeat part and repeats no more.
As shown in Figure 4, the network equipment that the embodiment of the present invention provides, comprising:
Power configuration unit 401, for determining the configuration information for determining at least two SRS transmitted powers of UE, the transmitted power used when described at least two SRS transmitted powers are the measurement for different object;
Power configuration indicating member 402, for the configuration information determined is indicated to described UE, to make described UE determine at least two SRS transmitted powers according to instruction, and indicates UE in different resources, adopt different SRS transmitted powers to send SRS.
The embodiment of the present invention also provides a kind of user equipment (UE), as shown in Figure 5, comprising:
Power configuration acquiring unit 501, for receiving the configuration information for determining at least two SRS transmitted powers of network equipment instruction;
SRS transmitting element 502, for determining at least two SRS transmitted powers according to described configuration information, and according to the instruction of network equipment, different resource adopts different SRS transmitted powers send SRS.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (35)

1. a method for network equipment instruction detection reference signal SRS transmission, is characterized in that, comprising:
Determine the configuration information for determining at least two SRS transmitted powers of user equipment (UE), described at least two SRS transmitted powers comprise the transmitted power of the SRS use of measuring for up channel, and are used for the transmitted power of the SRS use that down channel is measured according to channel heterogeneite;
The configuration information determined is indicated to described UE, to make described UE determine at least two SRS transmitted powers according to instruction, and indicates UE in different resources, adopt different SRS transmitted powers to send SRS;
Wherein, if UE is configured to periodically send SRS, also comprise further:
The SRS transmission cycle corresponding for the configuration of each SRS transmitted power and/or SRS send resource occupation information and are indicated to UE;
If when UE is configured to aperiodicity transmission SRS, also comprise further:
For the SRS that the configuration of each SRS transmitted power is corresponding sends resource occupation information or triggers subframe resource information and be indicated to UE.
2. the method for claim 1, is characterized in that, described for determining that the configuration information of at least two SRS transmitted powers notifies UE especially by high-level signaling.
3. the method for claim 1, it is characterized in that, the described configuration information for determining at least two SRS transmitted powers, specifically comprises the relevant parameter in the setting formula calculating SRS transmitted power and value thereof, wherein to the different value of same relative parameters setting; Or
Specifically comprise the relevant parameter in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, in described configuration information, to same relative parameters setting value.
4. method as claimed in claim 3, is characterized in that, the relevant parameter calculated in the setting formula of SRS transmitted power comprises transmitted power adjusted value in described configuration information, to P sRS_OFFSET, cm () arranges different value; Or
Described configuration information comprises P sRS_OFFSET, c(m) and expression P sRS_OFFSET, cthe new argument P of (m) side-play amount offsetand P offsetvalue, to P in described configuration information sRS_OFFSET, cm value that () is arranged is one.
5. the method for claim 1, is characterized in that, SRS sends the combination that resource occupation information comprises arbitrary or any number of information as follows:
Subframe position information, frequency domain resource positional information, circular shift information, port information.
6. the method for claim 1, is characterized in that, if when UE is configured to aperiodicity transmission SRS, also comprise further:
Determine target SRS transmitted power, the triggering sub-frame resources that target SRS transmitted power is corresponding is carried out the triggering of SRS aperiodic; Or
Trigger UE and send at the SRS that target SRS transmitted power is corresponding transmission resource being carried out SRS aperiodic.
7. the method for claim 1, is characterized in that, comprises further:
Priority corresponding to each SRS transmitted power is arranged with user equipment (UE).
8. the method for claim 1, is characterized in that, if when UE is configured to aperiodicity transmission SRS, also comprise further:
The configuration information of the SRS transmitted power adopted by PDCCH signaling instruction UE.
9. method as claimed in claim 8, it is characterized in that, the index that the configuration information of different SRS transmitted powers is corresponding different, the index that the configuration information of the SRS transmitted power adopted especially by instruction UE is corresponding, the configuration information of the SRS transmitted power that instruction UE adopts.
10. method as claimed in claim 8, is characterized in that, comprise further:
Utilize the PDCCH signaling triggering SRS aperiodic and send, the configuration information of the SRS transmitted power that instruction UE adopts; Or
By triggering aperiodic in the Downlink Control Information DCI at the PDCCH signaling place that SRS sends, other signalings except triggering the PDCCH signaling of SRS transmission aperiodic, the configuration information of the SRS transmitted power that instruction UE adopts.
11. 1 kinds of user equipment (UE)s send the method for SRS, it is characterized in that, comprising:
Receive the configuration information for determining at least two SRS transmitted powers of network equipment instruction, described at least two SRS transmitted powers comprise the transmitted power of the SRS use of measuring for up channel, and are used for the transmitted power of the SRS use that down channel is measured according to channel heterogeneite;
Determine at least two SRS transmitted powers according to described configuration information, and on different resource, adopt different SRS transmitted powers to send SRS according to the instruction of network equipment;
Wherein, if when UE is configured to periodically send SRS, also comprise further:
What obtain network equipment instruction be that the SRS of the correspondence of each SRS transmitted power configuration sends the cycle, arrives corresponding SRS when sending the cycle, sends in resource occupation information, with the SRS transmitted power transmission SRS of correspondence at public SRS; Or
What obtain network equipment instruction be that the SRS of the correspondence of each SRS transmitted power configuration sends resource occupation information, when taking corresponding SRS and sending resource, with the SRS transmitted power transmission SRS of correspondence; Or
What obtain network equipment instruction be that the SRS of each SRS transmitted power configuration sends cycle and SRS and sends resource occupation information, arrives the corresponding transmission cycle and/or takies corresponding SRS when sending resource, with the SRS transmitted power transmission SRS of correspondence;
If when UE is configured to aperiodicity transmission SRS, also comprise further:
What acquisition network equipment indicated is the SRS transmission resource occupation information of the correspondence of each SRS transmitted power configuration or triggers subframe resource information, determines the transmission resource that each SRS transmitted power is corresponding or triggering sub-frame resources;
After receiving SRS triggering aperiodic signaling, SRS transmitted power corresponding to the triggering sub-frame resources at SRS triggering aperiodic signaling place is utilized to send SRS; Or,
After receiving SRS triggering aperiodic signaling, the SRS transmitted power utilizing the transmission resource shared by SRS aperiodic corresponding sends SRS.
12. methods as claimed in claim 11, is characterized in that, receive the configuration information for determining at least two SRS transmitted powers of network equipment instruction especially by high-level signaling.
13. methods as claimed in claim 11, is characterized in that, determine at least two SRS transmitted powers, specifically comprise according to described configuration information:
If described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, the different value of same relative parameters setting, then by each value is substituted into described setting formula respectively, obtain at least two SRS transmitted powers;
If described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, configuration information is to same relative parameters setting value, then the value of relevant parameter in configuration information, the new value of relevant parameter that utilizes new argument to determine are substituted into setting formula respectively, obtain at least two SRS transmitted powers.
14. methods as claimed in claim 11, is characterized in that, the SRS of acquisition sends the combination that resource occupation information comprises arbitrary or any number of information as follows:
Subframe position information, frequency domain resource positional information, circular shift information, port information.
15. methods as claimed in claim 11, is characterized in that, if to when should have at least two SRS transmitted powers in same resource, comprised further:
Configure corresponding priority according to each SRS transmitted power that network equipment is arranged, select the SRS transmitted power that priority is the highest to send SRS.
16. methods as claimed in claim 11, is characterized in that, if when UE is configured to aperiodicity transmission SRS, also comprise further:
According to the configuration information of the SRS transmitted power adopted that network equipment is indicated by PDCCH signaling, determine the SRS transmitted power indicated;
After receiving SRS triggering aperiodic signaling, the SRS transmitted power of instruction is adopted to send SRS.
17. methods as claimed in claim 16, it is characterized in that, the index that the configuration information of different SRS transmitted powers is corresponding different, the index that the configuration information especially by the SRS transmitted power of network equipment instruction is corresponding, determines the configuration information of the SRS transmitted power that network equipment indicates.
18. methods as claimed in claim 16, is characterized in that,
By receiving the PDCCH signaling triggering SRS aperiodic and send, obtain the configuration information of the SRS transmitted power that network equipment instruction UE adopts; Or
By triggering aperiodic in the Downlink Control Information DCI at the PDCCH signaling place that SRS sends, other signalings except triggering the PDCCH signaling of SRS transmission aperiodic, obtain the configuration information of the SRS transmitted power that network equipment instruction UE adopts.
19. 1 kinds of network equipments, is characterized in that, comprising:
Power configuration unit, for determining the configuration information for determining at least two SRS transmitted powers of user equipment (UE), described at least two SRS transmitted powers comprise the transmitted power of the SRS use of measuring for up channel, and are used for the transmitted power of the SRS use that down channel is measured according to channel heterogeneite;
Power configuration indicating member, for the configuration information determined is indicated to described UE, to make described UE determine at least two SRS transmitted powers according to instruction, and indicates UE in different resources, adopt different SRS transmitted powers to send SRS;
First resource dispensing unit, during for being configured at UE periodically send SRS, the SRS transmission cycle corresponding for the configuration of each SRS transmitted power and/or SRS send resource occupation information and are indicated to UE;
Secondary resource dispensing unit, during for being configured to aperiodicity transmission SRS at UE, for the SRS that the configuration of each SRS transmitted power is corresponding sends resource occupation information or triggers subframe resource information and be indicated to UE.
20. equipment as claimed in claim 19, is characterized in that, power configuration indicating member, are used for the configuration information notice UE determining at least two SRS transmitted powers especially by high-level signaling by described.
21. equipment as claimed in claim 19, it is characterized in that, the configuration information for determining at least two SRS transmitted powers that described power configuration unit is determined, specifically comprise the relevant parameter in the setting formula calculating SRS transmitted power and value thereof, wherein to the different value of same relative parameters setting; Or
Specifically comprise the relevant parameter in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, in described configuration information, to same relative parameters setting value.
22. equipment as claimed in claim 19, it is characterized in that, the SRS of first resource dispensing unit or the configuration of Secondary resource dispensing unit sends the combination that resource occupation information comprises arbitrary or any number of information as follows: subframe position information, frequency domain resource positional information, circular shift information, port information.
23. equipment as claimed in claim 19, is characterized in that, also comprise:
Trigger element, during for being configured to aperiodicity transmission SRS at UE, determining target SRS transmitted power, the triggering sub-frame resources that target SRS transmitted power is corresponding was carried out the triggering of SRS aperiodic aperiodic; Or trigger UE and send at the SRS that target SRS transmitted power is corresponding transmission resource being carried out SRS aperiodic.
24. equipment as claimed in claim 19, is characterized in that, also comprise:
Priority is about cell, arranges priority corresponding to each SRS transmitted power with user equipment (UE).
25. equipment as claimed in claim 19, is characterized in that, also comprise:
Use power indicating member, during for being configured to aperiodicity transmission SRS at UE, the configuration information of the SRS transmitted power adopted by PDCCH signaling instruction UE.
26. equipment as claimed in claim 25, it is characterized in that, the index that the configuration information of different SRS transmitted powers is corresponding different, use power indicating member, especially by the index that the configuration information of the SRS transmitted power of instruction UE employing is corresponding, the configuration information of the SRS transmitted power that instruction UE adopts.
27. equipment as claimed in claim 25, is characterized in that, use power indicating member, specifically utilize the PDCCH signaling triggering SRS aperiodic and send, the configuration information of the SRS transmitted power that instruction UE adopts; Or by the Downlink Control Information DCI that triggers the PDCCH signaling place that SRS sends aperiodic, other signalings except triggering PDCCH signaling that SRS sends aperiodic, the configuration information of SRS transmitted power that instruction UE adopts.
28. 1 kinds of user equipment (UE)s, is characterized in that, comprising:
Power configuration acquiring unit, for receiving the configuration information for determining at least two SRS transmitted powers of network equipment instruction, described at least two SRS transmitted powers comprise the transmitted power of the SRS use of measuring for up channel, and are used for the transmitted power of the SRS use that down channel is measured according to channel heterogeneite;
SRS transmitting element, for determining at least two SRS transmitted powers according to described configuration information, and according to the instruction of network equipment, different resource adopts different SRS transmitted powers send SRS;
Wherein, described SRS transmitting element specifically for, when UE is configured to periodically send SRS, obtain network equipment instruction be each SRS transmitted power configuration correspondence SRS transmission the cycle, when arriving the corresponding SRS transmission cycle, send in resource occupation information at public SRS, send SRS by the SRS transmitted power of correspondence; Or
What obtain network equipment instruction be that the SRS of the correspondence of each SRS transmitted power configuration sends resource occupation information, when taking corresponding SRS and sending resource, with the SRS transmitted power transmission SRS of correspondence; Or
What obtain network equipment instruction be that the SRS of each SRS transmitted power configuration sends cycle and SRS and sends resource occupation information, when arriving the corresponding transmission cycle and/or take corresponding SRS when sending resource, with the SRS transmitted power transmission SRS of correspondence;
Described SRS transmitting element specifically for, when UE is configured to aperiodicity transmission SRS, what acquisition network equipment indicated is the SRS transmission resource occupation information of the correspondence of each SRS transmitted power configuration or triggers subframe resource information, determines the transmission resource that each SRS transmitted power is corresponding or triggering sub-frame resources;
After receiving SRS triggering aperiodic signaling, SRS transmitted power corresponding to the triggering sub-frame resources at SRS triggering aperiodic signaling place is utilized to send SRS aperiodic; Or,
After receiving SRS triggering aperiodic signaling, the SRS transmitted power utilizing the transmission resource shared by SRS aperiodic corresponding sends SRS.
29. UE as claimed in claim 28, is characterized in that, power configuration acquiring unit receives the configuration information for determining at least two SRS transmitted powers of network equipment instruction especially by high-level signaling.
30. UE as claimed in claim 28, it is characterized in that, SRS transmitting element determines at least two SRS transmitted powers according to described configuration information, specifically comprises:
If described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, the different value of same relative parameters setting, then by each value is substituted into described setting formula respectively, obtain at least two SRS transmitted powers;
If described configuration information comprises relevant parameter in the setting formula calculating SRS transmitted power and value thereof, and new argument and the new argument value for the determining the new value of relevant parameter that newly increase, configuration information is to same relative parameters setting value, then the value of relevant parameter in configuration information, the new value of relevant parameter that utilizes new argument to determine are substituted into setting formula respectively, obtain at least two SRS transmitted powers.
31. UE as claimed in claim 28, is characterized in that, the SRS that SRS transmitting element obtains sends the combination that resource occupation information comprises arbitrary or any number of information as follows:
Subframe position information, frequency domain resource positional information, circular shift information, port information.
32. UE as claimed in claim 28, it is characterized in that, SRS transmitting element, specifically in same resource to when should have at least two SRS transmitted powers, be that each SRS transmitted power configures corresponding priority according to what arrange with network equipment, select the SRS transmitted power that priority is the highest to send SRS.
33. UE as claimed in claim 28, it is characterized in that, SRS transmitting element, when UE is configured to aperiodicity transmission SRS, according to the configuration information of the SRS transmitted power adopted that network equipment is indicated by PDCCH signaling, determine the SRS transmitted power indicated; After receiving SRS triggering aperiodic signaling, the SRS transmitted power of instruction is adopted to send SRS.
34. UE as claimed in claim 33, it is characterized in that, the index that the configuration information of different SRS transmitted powers is corresponding different, the index that the configuration information of the SRS transmitted power that SRS transmitting element indicates especially by network equipment is corresponding, determines the configuration information of the SRS transmitted power that network equipment indicates.
35. UE as claimed in claim 33, is characterized in that, SRS transmitting element, especially by receiving the PDCCH signaling triggering SRS aperiodic and send, obtains the configuration information of the SRS transmitted power that network equipment instruction UE adopts; Or
By triggering aperiodic in the Downlink Control Information DCI at the PDCCH signaling place that SRS sends, other signalings except triggering the PDCCH signaling of SRS transmission aperiodic, obtain the configuration information of the SRS transmitted power that network equipment instruction UE adopts.
CN201110402042.4A 2011-12-06 2011-12-06 Method and device for sending SRS (Sounding Reference Symbol) and indicating to send SRS Active CN102427608B (en)

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