CN105049165B - Method and apparatus for telecommunications - Google Patents
Method and apparatus for telecommunications Download PDFInfo
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- CN105049165B CN105049165B CN201510346110.8A CN201510346110A CN105049165B CN 105049165 B CN105049165 B CN 105049165B CN 201510346110 A CN201510346110 A CN 201510346110A CN 105049165 B CN105049165 B CN 105049165B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of methods and apparatus for telecommunications, including application in a communications system from terminal installation to the detection reference signal configuration of the detection reference signal of base station transmission dynamic dispatching, with the second detection reference signal configuration for periodically transmitting the second detection reference signal from terminal installation to base station in a manner of semi-static, wherein both detection reference signals are configured while being used；And the scheduling of the transmission of detection reference signal is combined, using the downlink control messages for being transferred to terminal installation irrespective of whether scheduled uplink data transmission simultaneously for terminal installation.
Description
The application is that application No. is 200980163233.0, applying date 2009-11-2, entitled " detection reference
The divisional application of the application for a patent for invention of signal configuration ".
Technical field
The present invention relates to the fields of cellular radio telecommunication, and in particular, are related to matching in Modern cellular telecommunication system
Set the transmission of uplink sounding reference signal.
Background technique
Universal Mobile Telecommunications System (UMTS) long term evolution (LTE) is by uplink sounding reference signal (SRS) for being permitted
More control purposes, for example, it is frequency domain packet scheduling, transmission timing controlled and transmitting power control, adaptive modulation and coding, multi-purpose
Family MIMO (multiple-input and multiple-output) communication partner.There are many new use cases of SRS in LTE-Advanced, for example, it is right
Multigroup collection (frequency domain cluster) in component carrier aggregation (component carrier aggregation), one-component carrier wave
The support of scheduling, the branch to determination for uplink precoding matrix indicator (PMI) and order instruction device of multi-antenna transmission
It holds, to the support of downlink channel status estimation when using channel reciprocity (reciprocity) and in uplink
The support of selection cooperation precoding and/or beam selection in link cooperative multipoint transmission/reception (CoMP).In conjunction with what will be occurred
The evolution version of UMTS, such as sensitive CoMP communication or precoding information need the accurate result in SRS analysis, and therefore exist
Bigger reliability is needed in the transmission of SRS.
Summary of the invention
According to an aspect of the present invention, a kind of method for cellular radio telecommunication is provided, including application is combined with
The single mixing detection reference signal configuration of following item: for transmitting dynamic dispatching from terminal installation to base station in a communications system
Detection reference signal the first detection reference signal configuration, and in a manner of semi-static from terminal installation to base station periodicity
Ground transmits the second detection reference signal configuration of periodical detection reference signal, wherein first and second detection reference signal
Configuration is used simultaneously in the terminal installation；And the first and second detection reference signals configuration is executed, to be used for from institute
State the detection reference signal of detecting periodically reference signal and the dynamic dispatching described in the antenna transmission of terminal installation.
In the described method, also to include: the dynamic triggered with the first detection reference signal configuration association
The primary transmission of the detection reference signal of scheduling.The messaging parameter of the first detection reference signal configuration is by a manner of semi-static
Configuration.The messaging parameter being semi-statically configured includes at least one following: bandwidth communication resource；Cyclic shift resource is determined
The cyclic shift of the signal sequence of adopted detection reference signal；Spectral shape resource defines the spectral shape of detection reference signal；
Cyclic parameter defines the periodicity of detection reference signal；With sub-frame offset parameter, the transmission of detection reference signal is defined
Periodically.If the method can also include: to dispatch the detection reference signal of dynamic dispatching so that it and detecting periodically are joined
The transmission collision of signal is examined, then considers the detection of dynamic dispatching with reference to letter relative to the transmission preferences of detecting periodically reference signal
Number transmission.The downlink control messages are the physical down chains according to the specification of Universal Mobile Telecommunications System long term evolution
Road control channel format 3A message, it includes the information element for property dispatching cycle detection reference signal.The downlink
Control message includes the letter that the transmission for terminal installation property dispatching cycle detection reference signal is indicated whether to terminal installation
Cease element.The method can also include: using for from terminal installation to base station transmission detection reference signal it is a variety of not
Same detection reference signal configuration；And the sequence of triggering detection reference signal is once transmitted.Preferably, identical dynamic dispatching
Detection reference signal configuration be assigned to multiple terminal installations；And one of only the multiple terminal installation is scheduled next every time
It is configured using the detection reference signal of the dynamic dispatching.Detecting periodically reference signal can be transmitted in the first transmission time；
And the detection reference signal in the transmission dynamic dispatching of the second transmission time, wherein the first transmission time and the second transmission time it
Between duration be shorter than radio channel between terminal installation and base station hypothesis coherence time, wherein dynamic dispatching
Detection reference signal and the second detection reference signal are polymerize in base station, to improve the reliability of detection reference signal analysis.Institute
The method stated can also include: to transmit the detection reference signal of two kinds of dynamic dispatchings in two transmission times, and wherein the two are passed
Duration between the defeated moment is shorter than the coherence time of the hypothesis of the radio channel between terminal installation and base station, wherein this
The detection reference signal of two kinds of dynamic dispatchings is polymerize in base station, to improve the reliability of detection reference signal analysis.Preferably,
Using two kinds of detections for periodically transmitting periodical detection reference signal from terminal installation to base station in a manner of semi-static
Reference signal configuration, wherein the cyclical transmission timing of described two detection reference signals configuration is assigned, so that described two
Duration between the transmission time of kind detection reference signal configuration is shorter than the radio channel between terminal installation and base station
Hypothesis coherence time；And join in the detection for continuously transmitting reception with both detection reference signal configuration associations
It examines signal to be polymerize, to improve the reliability of detection reference signal analysis.
According to another aspect of the present invention, a kind of equipment for cellular radio telecommunication is provided, comprising: communication control
Circuit is configured to apply and is combined with the single mixing detection reference signal configuration of following item: in a communications system from end
End device is configured to the first detection reference signal of the detection reference signal of base station transmission dynamic dispatching, and for semi-static side
Formula periodically transmits the second detection reference signal configuration of periodical detection reference signal from terminal installation to base station, wherein institute
It states the configuration of the first and second detection reference signals and is used simultaneously in the terminal installation；The communication control circuit is additionally configured to
The first and second detection reference signals configuration is executed for periodically visiting described in the antenna transmission from the terminal installation
Survey the detection reference signal of reference signal and the dynamic dispatching.In the equipment, the communication control circuit is also configured
To trigger the primary transmission with the detection reference signal of the dynamic dispatching of the first detection reference signal configuration association.Institute
The messaging parameter for stating the configuration of the first detection reference signal is configured in a manner of semi-static.The messaging parameter being semi-statically configured includes
At least one of following: bandwidth communication resource；Cyclic shift resource, the circulation for defining the signal sequence of detection reference signal are moved
Position；Spectral shape resource defines the spectral shape of detection reference signal；Cyclic parameter defines detection reference signal
Periodically；With sub-frame offset parameter, the transmission timing of detection reference signal is defined.The communication control circuit is configured to, such as
Fruit dispatch dynamic dispatching detection reference signal so that it and detecting periodically reference signal transmission collision, then relative to the period
Property detection reference signal transmission preferences consider dynamic dispatching detection reference signal transmission.The downlink control messages
It is the physical downlink control channel format 3A message according to the specification of Universal Mobile Telecommunications System long term evolution, it includes using
In the information element of property dispatching cycle detection reference signal.The downlink control messages include indicating whether to terminal installation
For an information element of the transmission of terminal installation property dispatching cycle detection reference signal.The communication control circuit is additionally configured to
Using for a variety of different detection reference signal configurations from terminal installation to base station transmission detection reference signal, and triggering
The sequence of detection reference signal is once transmitted.The equipment is suitable for base station, and wherein the communication control circuit also configures
For multiple terminal installations are distributed in the configuration of the detection reference signal of identical dynamic dispatching and are only dispatched every time the multiple
One of terminal installation to configure using the detection reference signal of the dynamic dispatching.The equipment is suitable for base station, and wherein
The communication control circuit is additionally configured to: configurating terminal device is to transmit detecting periodically reference signal in the first transmission time；
The transmission that the detection reference signal of dynamic dispatching is dispatched for the second transmission time, wherein the first transmission time and the second transmission time
Between duration be shorter than the radio channel between terminal installation and base station hypothesis coherence time；And polymerization dynamic
The detection reference signal and detecting periodically reference signal of scheduling are to improve the reliability that detection reference signal is analyzed.The equipment
Suitable for base station, and wherein, the communication control circuit is additionally configured to: dispatching two kinds of dynamic dispatchings for two transmission times
The transmission of detection reference signal, wherein the duration between the two transmission times is shorter than the nothing between terminal installation and base station
The coherence time of the hypothesis of line radio channel；And the detection reference signal of polymerization dynamic dispatching is to improve detection reference signal analysis
Reliability.The equipment is suitable for base station, is used wherein the communication control circuit is additionally configured to configurating terminal device with application
In the two kinds of detections reference letter for periodically transmitting periodical detection reference signal from terminal installation to base station in a manner of semi-static
Number configuration, and wherein the communication control circuit is additionally configured to distribute described two the periodical of detection reference signals configuration and passes
Defeated timing so that described two detection reference signals configuration transmission time between duration be shorter than terminal installation and base
The coherence time of the hypothesis of radio channel between standing, and it is aggregated in the company with both detection reference signal configuration associations
The detection reference signal of defeated reception is resumed to improve the reliability of detection reference signal analysis.The equipment is cellular telecommunication
The base station of system.The equipment is the terminal installation of cellular telecommunication system.
According to another aspect of the present invention, a kind of equipment for telecommunications is provided, comprising: application is in communication system
In from terminal installation to base station transmission dynamic dispatching detection reference signal detection reference signal configure device；Using being used for
The second detection reference signal that the second detection reference signal is periodically transmitted from terminal installation to base station in a manner of semi-static is matched
The device set, wherein both detection reference signals are configured while being used；And the transmission for combination detection reference signal
Scheduling is using the downlink control messages for being transferred to terminal installation irrespective of whether scheduled uplink simultaneously for terminal installation
The device of circuit-switched data transmission.
Detailed description of the invention
Only as example, embodiment of the invention will be described with reference to drawings below, in which:
Fig. 1 shows the communications between the mobile terminal of cellular telecommunication system and base station；
Fig. 2 is the process for indicating detection reference signal configuration (configuration) process according to an embodiment of the present invention
Figure；
Fig. 3 is the signalling diagram for indicating detection reference signal configuration and scheduling process according to an embodiment of the present invention；
Fig. 4 indicates the scheduling of detection reference signal according to an embodiment of the present invention；
Fig. 5 A to 5C indicates the embodiment for being packaged (bundle) sounding reference signal transmission enhancement；
Fig. 6 indicates the block diagram of equipment according to an embodiment of the present invention；
Fig. 7 indicates the block diagram of another equipment according to an embodiment of the present invention；And
Fig. 8 shows tree-shaped bandwidth resource allocations relevant to detection reference signal configuration.
Specific embodiment
The following examples are exemplary.Although specification may a few place positions refer to " one ", "one" or " one
Embodiment a bit ", but this does not necessarily imply that this every time refer to for identical embodiment (one or more embodiments) or feature
It is only applicable to single embodiment.The single feature of different embodiments can also be combined to provide other embodiments.
Fig. 1 shows the communication plans that can apply the embodiment of the present invention.The base station of terminal installation 102 and cellular telecommunication system
100 communications.Cellular telecommunication system can be the long term evolution (LTE) or LTE- of UMTS (Universal Mobile Telecommunications System)
Advanced.It is to be noted, however, that the present invention is not limited to UMTS, and it can be applied to using uplink sounding
Other telecommunication systems of reference signal.As shown in fig. 1, downlink is controlled by using downlink control channel 104
Message is transferred to terminal installation 102, and base station 100 controls the communication link established between terminal installation 102 and base station.In order to
Enough realize efficient communication control, detection reference signal (SRS) 106 is transferred to base station 100 by terminal installation 102, and SRS transmission can
Occur as in LTE in conjunction with the distribution of the resource on physical uplink shared channel (PUSCH) or in no PUSCH
On resource distribution in the case where occur.SRS is typically transmitted on the frequency band of the bandwidth than transmitting for data, and
SRS can be transmitted when not transmitting on PUSCH in terminal installation.In addition, the bandwidth big in the coherence bandwidth than radio channel
It is upper and transmit SRS within short period coherence time than radio channel.Base station 100 with the received SRS of post analysis simultaneously
It is carried out using SRS such as many communication control process cited in background technology part.
According to an embodiment of the invention, using at least two different SRS configurations come configurating terminal device 102, and two
Kind SRS configuration is parallel to be used.One of SRS configuration can be associated with conventional periodic SRS transmission, and another SRS configuration and dynamic
The SRS transmission of scheduling is associated with.It should be noted that also can use and conventional periodic SRS transmission or the SRS of dynamic dispatching biography
Defeated associated single SRS configuration carrys out configurating terminal device.However, the description of the SRS configuration of single type is omitted now, because it
The only summary of this description.
Fig. 2 indicates to distribute the universal of a variety of difference SRS configurations.In box 202, the first SRS configuration is configured as
It is used by terminal installation.Box 202 can be not only executed in a base station but also in terminal installation, so that they both know about SRS configuration
Parameter.Box 202 may also comprise the communication of the radio resource control (RRC) between at least terminal installation and base station, wherein SRS
The parameter of configuration is sent to terminal installation from the RRC circuit of base station.First SRS configuration is fixed by using being configured by the first SRS
The communication resource and parameter of justice utilize periodical SRS transmission.
In block 204, the 2nd SRS configuration is configured as being used by terminal installation.It can be not only in a base station but also in terminal
Box 204 is executed in device, so that they both know about the parameter of the 2nd SRS configuration.Box 204 may also comprise terminal installation and base
RRC communication between standing, wherein the parameter of the 2nd SRS configuration is sent to terminal installation from the RRC circuit of base station.Dynamic dispatching
SRS transmission use by the 2nd SRS configuration definition the communication resource and parameter.It can be in a similar way according to box 202 or 204
Configure other SRS configuration (periodically and/or dynamic).
In box 206, the SRS that is configured in box 202 and 204 configuration (and other SRS configuration) parallel use with
Just reliability and flexibility are provided for the use of SRS.All SRS configurations can use parallel, until making them fail through RRC signaling
(deactivate).SRS configuration and its parameter and resource itself can be executed by using high-rise RRC signaling, this is actually meaned
RRC parameter be semi-static parameter.Give the messaging parameter being semi-statically configured that SRS is configured may include following at least one
: bandwidth communication resource defines the bandwidth of SRS；Cyclic shift resource, define the signal sequence of SRS cyclic shift (LTE permit
Perhaps 8 cyclic shifts of SRS sequence are so as to realize code division multiplexing)；Spectral shape resource defines the frequency of detection reference signal
Spectral shape (shape of the frequency comb of SRS, LTE support two different shapes currently for every SRS bandwidth)；Periodically ginseng
Number, defines the periodicity of detection reference signal；With sub-frame offset (offset) parameter, the transmission timing of detection reference signal is defined
(319 subframes can be changed to from zero, wherein such as the period can be corresponded to maximum sub-frame offset as the offset relative to reference subframe
Period defined in property parameter).About bandwidth communication resource, bandwidth resources be can be configured to for each SRS transmission in PUSCH
It is periodically, to have the period defined by cyclic parameter that time interval, which is continuous in time, or it can be configured to
Property.In UMTS LTE, base station can be distributed: have 13 kinds of difference SRS frequency domain objects of different bandwidth for 10 MHz system bandwidths
Manage resource block (PRB) resource: a 1) SRS resource of 40 physics (frequency) resource block PRB；2) two SRS money of 20 PRB
Source；And/or 3) ten SRS resources of 4 PRB.SRS bandwidth resource allocation follows the tree-shaped with several resource allocation options and opens up
It flutters.One embodiment of tree topology indicates in fig. 8, wherein by one in the SRS bandwidth resources of 0 to 13 expression of number
(or multiple) are assigned to given terminal installation.SRS bandwidth communication resource can be used frequency hopping or can not use frequency hopping.When
When configuration, frequency hopping follows preassigned pattern.The SRS resource of less PRB (narrower bandwidth) provides bigger versatility for frequency hopping.
Theoretically, maximum SRS capacity (capacity) is every 160 SRS of subframe configuration: 10 4-PRB resource * 2 in 10 MHz bandwidth
Comb (comb) * 8 parallel cyclic shift.In fact, a part of available cycles displacement is used only currently so as not to increase by having
The identical SRS sequence of different cyclic shifts uses caused interference parallel.Multiple isolated low bandwidth SRS resources are (for example, four
A PRB) it can be assigned to terminal installation, rather than single high bandwidth SRS resource (for example, 20 or 40 PRB) is assigned to end
End device.In other words, the one or more SRS resources for distributing to other terminal installations, which can be located at, distributes to the terminal installation
Between SRS resource.This can be realized multigroup collection SRS distribution, puppet (pseudo) high bandwidth SRS configuration and efficient SRS resource and uses,
Because a variety of puppet high bandwidth SRS configurations can be arranged.
It is configured about the 2nd SRS, cyclic parameter and/or sub-frame offset can be used for realizing dynamic and periodic SRS money
The efficient multiplexing in source.Cyclic parameter and sub-frame offset effectively determine the transmission timing of the SRS of permission, and when scheduling the
When two SRS are configured, terminal installation can be sent out in next transmission time of cyclic parameter and/or sub-frame offset permission by being pre-configured
The SRS for sending the 2nd SRS to configure.Transmission time can be for example defined in the second (dynamic) SRS configuration according to following one of principle:
2nd SRS configuration only defines sub-frame offset as timing parameters, i.e., SRS transmission is always available when in the cell using SRS；
Or the 2nd SRS configuration definition cyclic parameter and sub-frame offset both as timing parameters, i.e. SRS transmission only periodically may be used
With wherein the period is defined by cyclic parameter.
In embodiment, the use of the SRS configuration of dynamic dispatching is confined to define on the broadcast channel by base station broadcast
To include those of SRS SRS subframe.Advantage is: indicating that the current broadcast signaling of SRS subframe does not need modification to support dynamic
The SRS of scheduling is configured.
In embodiment, the specific SRS of UE as defined in the 3GPP specification of UMTS LTE is periodicalT SRS And sub-frame offset
ConfigurationT offset The not currently used index of (index) table is indexed for the SRS of dynamic dispatching to be configured (for example, the 2nd SRS
Configuration) it is signaled to terminal installation.SRS configuration indexI SRS Not currently used SRS configuration index can be used for signaling
Notify the sub-frame offset and/or periodicity of the SRS configuration of dynamic dispatching.I SRS Not currently used index can also be used for indicating
The SRS configuration signaled is related to the SRS of dynamic configuration configuration.
The flow chart of Fig. 2 is described in aggregate level above, and the step of Fig. 2 includes both base station and terminal installation
In function.The process of Fig. 2 can be defined by computer program product, which is contained on computer-readable distribution medium and wraps
Include the software module of each step for executing Fig. 2 when by computer or processor execution.
Routinely, SRS transmission itself is also inherently semi-static, it is intended that due to executing on higher level (RRC)
The fact that reconfigure, it is reconfigured slowly.According to an embodiment of the invention, at least part of SRS configuration is for passing
The detection reference signal of defeated dynamic dispatching.It is further contemplated that wherein the first SRS configuration uses to have and such as passes through RRC signaling
The semi-static periodical SRS transmission of the routine of defined predetermined semi-static parameter.In addition, the 2nd SRS configuration is configured to terminal
Device.The parameter of 2nd SRS configuration can be configured according to the similar mode of the configuration configured with the first SRS, i.e. the 2nd SRS configuration
Parameter can be the semi-static parameter changed by higher level signaling.Cyclical transmission with the first SRS configuration is on the contrary, when needing
When other SRS transmission, the transmission of the SRS of the 2nd SRS configuration is dispatched in a dynamic fashion by base station.In lower level (for example, medium
Access control (MAC) layer and/or physical layer) on execute scheduling, so as to be realized when needing more high channel detection reliability
Fast dispatch and quick response.In addition, even if the fast dispatch of dynamic SRS transmission also can when SRS use is close to capacity limitation
Enough realize the effective use of limited SRS resource.The signalling diagram of Fig. 3 indicates this embodiment in more detail.
Referring to Fig. 3, in S1, included RRC circuit (or another network element of radio access network) in base station
Determining semi-static parameter is configured for the first SRS of terminal installation.Semi-static parameter may include one of parameter listed above
Or it is a variety of.In addition, RRC circuit SRS is configured by RRC signaling through the radio interface between base station and terminal installation it is half quiet
State parameter sends terminal installation to.When receiving the parameter of the first SRS configuration, the communication control circuit of terminal installation is configured eventually
End device is with the parameter of application the first SRS configuration.Can be according to the Release(version of UMTS LTE specification) 8 execute step S1 in
SRS configuration.In S2, RRC circuit is that the 2nd SRS of terminal installation configures determining semi-static parameter.Semi-static parameter can wrap
Include one of parameter listed above or a variety of.In addition, RRC circuit is logical through the radio interface between base station and terminal installation
It crosses RRC signaling and the 2nd SRS semi-static parameter configured is sent to terminal installation.When receiving the parameter of the 2nd SRS configuration,
The communication control circuit configurating terminal device of terminal installation is with the parameter of application the 2nd SRS configuration.It can also be advised according to UMTS LTE
The Release 8 of model executes the SRS configuration in step S2.However, from the perspective of network, the first SRS configuration and the 2nd SRS
A difference between configuration is: the first SRS configuration is unique for each terminal installation in cell, thus more
The SRS transmission of a terminal installation will not conflict, and the 2nd SRS configuration can be assigned to multiple terminal installations, and scheduler
The scheduling of the SRS transmission of the 2nd SRS configuration is handled so that not clashing.In fact, the end of identical SRS configuration is assigned
End device will not be scheduled as the SRS transmission of the identical SRS configuration of simultaneous transmission.
In S3, terminal installation by using by the first SRS configuration definition the communication resource and other configured transmission periods
Property transmission the first SRS configuration SRS transmission.Cyclical transmission persistently carries out, until unless in addition RRC level reconfigures or
Regulation.
In S4, the communication control circuit (or another network element) of base station, which determines, needs other SRS transmission to improve
The reliability of SRS analysis, and as a result, scheduler (or another network element) included in base station dispatches the 2nd SRS configuration
SRS transmission.S4 includes: to determine suitable transmission timing for the communication resource and parameter of the 2nd SRS configuration, is the of terminal installation
Two SRS configuration schedules uplink transmission resources (transmission timing), and instruction will be executed the SRS transmission that the 2nd SRS is configured
Downlink control messages send terminal installation to.Terminal installation receives downlink control messages, handles the message and matches
Its conveyer is set with the SRS transmission in S5 the 2nd SRS configuration to base station.Communication control circuit then receives other scheduling
SRS transmission and handled to improve SRS analysis, such as improve uplink Single User MIMO or cooperative multipoint transmission/connect
Receive the configuration of (CoMP).
The process of Fig. 3 carries out in a similar way, i.e., the SRS transmission that periodically the first SRS of transmission is configured, and working as need to
When wanting other SRS transmission, scheduler dynamically dispatches the other SRS transmission of the 2nd SRS configuration.Frequency can in particular be carried out
The terminal installation of numerous uplink data transmission dispatches other SRS transmission, because this terminal installation is usually required from SRS
The reliable channel state information obtained.About the embodiment of Fig. 3, it is contemplated that the first SRS configuration is also dynamic dispatching
SRS configuration, in this case, all SRS transmissions of the schedulable terminal installation of scheduler.It can be even by using single position benefit
The SRS transmission of two kinds of SRS configuration is triggered with same downlink control channel scheduling message.It on the other hand, can be by for two
Kind SRS configuration respectively dispatches two kinds of dynamic SRS configurations using individually scheduling position.
Certainly, the order of the step S1 and S2 in Fig. 3 are optional, and any SRS configuration can configure it in another SRS
Before be configured or they can be configured simultaneously.Similarly, step S4 and S5 can be located at before step S3.
More than, it is noted that it can be terminal installation configuration only single SRS configuration.The single SRS configuration can be combination
Periodically configured with the mixing SRS of dynamic SRS configuration.In fact, mixing SRS configuration parameter and resource can according to dynamic
It is configured with any one of periodical SRS configuration similar mode.In being configured such as above-mentioned first SRS periodically
The SRS transmission of mixing SRS configuration is executed, and when needing other SRS transmission, dynamically dispatches other SRS transmission.
All mixing SRS such as can be used to configure defined identical traffic parameter and money for the dynamic and periodicity SRS transmission for mixing SRS configuration
Source.Advantage in this embodiment is: only needing to configure single SRS configuration rather than two kinds of SRS configurations, this, which is released, is ready to use in
The SRS resource of other terminal installations.
The SRS transmission of the dynamic dispatching of 2nd SRS configuration can be " primary (one-shot) transmission ", this is actually meaned
: when dispatching the SRS transmission of the 2nd SRS configuration, terminal installation is only executed SRS transmission once, and only connects from base station
It receives another traffic order and other SRS transmission occurs later.When with by using individual control message activate SRS transmission with
And when the scheme of SRS transmission failure being made to compare, or works as and configured in lower level (for example, MAC layer and/or physical layer)
When SRS transmission parameter compares with the scheme of the configuration of resource, mistake is also tolerated in primary transmission or scheduling.Reduced levels SRS matches
It sets without using confirmation message (ACK/NACK) and confirms being properly received for SRS configuration, and the horizontal SRS configuration of RRC is disappeared using confirmation
Breath (ACK/NACK) confirmation SRS configuration is properly received.When using individually activation and thrashing message, if terminal installation is wrong
The failure of SRS configuration is crossed, then it may continue to the transmission that SRS is carried out during long period, thus interferes with and is just assigned phase
With another terminal installation of SRS configuration.About primary scheduling, if terminal installation fails to receive SRS Scheduling Grant messages, it
The transmission is missed only to interfere without causing.
SRS transmission may include single SRS transmission or it may include transmission SRS sequence.2nd SRS is configured
Multiple sub- configurations, a son are configured to each antenna of terminal installation.Every height configuration may include that can be realized the SRS transmission
The communication resource or other parameters at least partly different from the differentiation of other SRS transmissions.When the SRS for dispatching the 2nd SRS is passed
When defeated, terminal installation can be configured to according to scheduler and base station it is also known that predesigned order in continuous SRS subframe (or example
Such as, in the same subframe of different antennae) execute the 2nd SRS configuration all sub- configurations SRS transmission, so that scheduler can be adjusted
Conflict may be not present in the transmission timing that degree is suitable for the transmission of SRS sequence.Instead of the SRS of different dynamic dispatchings is configured view
For sub- configuration, they can be considered as the SRS configuration of independent dynamic dispatching, and scheduler can be still in a traffic order
The sequence for triggering the SRS of all dynamic dispatchings is once transmitted.
It may happen that the SRS transmission that wherein the 2nd SRS of scheduler schedules is configured, thus especially same
One antenna port, the transmission of the SRS of the 2nd SRS configuration and the transmission collision of the SRS of the first SRS configuration.When UE is configured to same
When in one SRS symbol and from same antenna port transmission periodicity SRS transmission and the SRS transmission of dynamic dispatching, clash.
In this case, the transmission of the SRS of dynamic dispatching can be prior to the transmission of periodical SRS.In fact, cancelling periodicity SRS
Transmission, and execute the transmission of the SRS of dynamic dispatching.Terminal installation may include collision detection unit, the collision detection unit
It is configured to the conflict of the SRS of the different SRS configuration of detection terminal installation.Similarly, base station may include similar units, thus base station
It is able to detect that and is receiving the SRS of the dynamic dispatching of the parameter with it and aperiodicity SRS in base station.However, base station
Scheduler, which is known in advance, to conflict and makes conscious decision to dispatch dynamic SRS transmission, so that it and periodical SRS transmission are rushed
It is prominent.
Fig. 4 indicates the dynamic dispatching of the 2nd SRS configuration.Fig. 4 is indicated in downlink and uplink subframe and subframe
Control resource.Scheduler dynamically dispatch terminal device in the uplink SRS indicated by " SRS of scheduling " in Fig. 4
The SRS of middle transmission the 2nd SRS configuration, and the conveyer of control base station is to create the information including indicating the scheduling to terminal installation
The physical downlink control channel of element controls (PDCCH) message.Processing time, base station and the end of scheduler consideration conveyer
Journey time in radio channel and terminal installation between end device handle received PDCCH message and prepare uplink
The processing time needed for SRS transmission.When receiving the PDCCH message of instruction scheduling, terminal installation processing PDCCH message is simultaneously controlled
The conveyer for making it passes in next available SRS resource that the sub-frame offset and/or cyclic parameter configured by the 2nd SRS determines
The SRS of defeated 2nd SRS configuration.
Indicate that the information element of scheduling may also be included in that the uplink of uplink scheduling of designation date grouping
In Grant message.However, uplink Grant message may not be transmitted continually.In addition, usually being needed before dispatching UL data
Channel is wanted to understand.It can be contained in accordingly, with respect to the information of the scheduling of SRS transmission for transmitting transmission power control command simultaneously
It continually sends in the message of PDCCH format 3A type of the UMTS LTE (Advanced) of terminal installation.As a result, comprising adjusting
Whether it is terminal installation tune that the downlink control messages of degree information are transmitted to terminal installation but regardless of (or independently of) simultaneously
Uplink data transmission is spent.Advantage is: can more frequently dispatch other SRS transmission, this can be realized SRS resource
More efficient use.In two kinds of embodiments of control message, control message may include being indicated whether to terminal installation for end
End device dispatches an information element of (primary) transmission of the SRS of the 2nd SRS configuration.Compliance control message includes to be used for certainly
A this information element for multiple terminal installations, and each terminal installation is configured to specific (pre-configuration) from control message
Read correct bit element in position.About the scheduling of the step S4 in Fig. 3, although the description of Fig. 3 only discusses single terminal
Device, but base station can dispatch simultaneously multiple terminal installations by using Compliance control message.
Fig. 5 A to 5C is indicated within short period coherence time of the radio channel than hypothesis from terminal installation to base
Stand the multiple SRS of transmission.This improves the performance of SRS analysis, because SRS transmission can be combined to improve the reliability of SRS.Execute this
Kind combination can be described as " SRS packing ".In the example of Fig. 5 A, terminal installation be configured there are two types of periodicity SRS configuration.Both
The cyclic parameter of SRS configuration can be identical, and sub-frame offset can differ one or more subframes, but the difference of sub-frame offset is excellent
Selection of land is lower than channel coherency time.As a result, the SRS transmission of both SRS configuration is a subframe Shi Lian in sub-frame offset difference
Periodically occur in continuous subframe or in separating the subframe lower than the duration of channel coherency time.In a base station
In SRS analysis, the SRS transmission of both SRS configuration in aggregated channel coherence time has to provide more about channel shape
The SRS of the information of condition is analyzed.In this scheme, the SRS transmission of dynamic dispatching is not considered.
In the example of Fig. 5 B, terminal installation is configured with periodical SRS configuration and the SRS of dynamic dispatching is configured.It can be with
All service life parameter in the configuration of two kinds of SRS configuration, so that the cyclic parameter of both SRS configuration is identical.In addition,
Sub-frame offset can differ one or more subframes, but the difference of sub-frame offset is preferably lower than channel coherency time.As a result, both
The SRS resource of SRS configuration is concerned with when sub-frame offset difference is a subframe in continuous subframes or separating lower than channel
Periodically occur in the subframe of the duration of time.As a result, the SRS that the SRS of the schedulable dynamic dispatching of scheduler is configured is passed
Defeated and SRS transmission occurs, so that the SRS transmission of two kinds of SRS configuration all occurs in channel coherency time.Therefore, aggregated channel
Both SRS transmissions in coherence time are more analyzed about the SRS of the information of channel conditions with providing to have.
In the example of Fig. 5 C, terminal installation be configured there are two types of (or more) SRS of dynamic dispatching configuration.It can arrange
When cyclic parameter and/or the sub-frame offset of SRS configuration are so that the SRS transmission of both SRS configuration is always concerned with using channel
Interior SRS resource, or can arrange that SRS is configured so that the SRS transmission of both SRS configuration uses any period parameter
And/or sub-frame offset.In latter embodiment, it is known that the possible transmission timing of both SRS configuration and channel coherency time
Scheduler may be selected both SRS configuration transmission timing so that SRS transmission occur in channel coherency time.Then, may be used
Polymerization SRS transmission is to improve SRS analysis.One of SRS configuration can be configured with sub-frame offset as unique timing parameters, this
Provide flexibility in the sense that in this way for scheduling: this SRS transmission always can be used, and scheduler need not wait both
The proper timing of the transmission timing match of SRS configuration.Another SRS configuration can define periodical timing resources or only define subframe
Offset, and in the later case, the SRS transmission of two kinds of SRS configuration always can be used for dispatching.In both cases, Ke Yitong
It crosses and dispatches two kinds of SRS configurations using shared Scheduling Grant messages (or shared order (one) even in scheduling message).Separately
One option is to trigger SRS transmission in individual Scheduling Grant control message.
The example of Fig. 5 A to 5C is related to single antenna uplink SRS detection, but they are of course also apply to Single User MIMO
Detection.Then, the mutiple antennas in terminal installation can have individual SRS to configure, and pass through a variety of of application drawing 5A to 5C
The embodiment of Fig. 5 A to 5C can be performed in parallel procedure.A variety of SRS transmissions are distributed in channel coherency time improves SRS transmission
Covering.Particularly because other SRS transmission, can ensure reliable SRS points for the terminal installation positioned at the edge of cell
Analysis.
Fig. 6 indicates the exemplary structure of equipment according to an embodiment of the present invention.The equipment can be applied to above-mentioned terminal installation.
The equipment includes: radio interface component 606, can establish the radio connection with the base station of cellular telecommunication system.Radio
Interface unit 606 can be configured to the specification handles transmission for another telecommunication system supported according to UMTS LTE and/or terminal installation
And received signal.The equipment further include: memory 604 stores the messaging parameter needed in radio communication and other parameters.
Memory 604 can go back the storage configuration equipment to execute one or more computer programs of the embodiment of the present invention.
The equipment further include: communication control circuit 600 realizes the embodiment of the present invention (in some realities in terminal installation
It applies in example by one or more computer program-drivens).Communication control circuit 600 controls the communication behaviour executed in terminal installation
Make.Communication control circuit 600 may include SRS transmission control circuit 602 as sub-circuit.SRS transmission control circuit 602 passes through nothing
Line electrical interface component 606 receives SRS configuration from base station, and in the memory 604 SRS configuration storage.Then, SRS transmission control
Circuit 602 processed makes end by using SRS resource and other parameters specified in the SRS configuration such as stored in the memory 604
End device periodically transmits the SRS of periodicity SRS configuration.Communication control circuit 600 can continuously monitor PDCCH control message
To detect the SRS transmission of dynamic dispatching.If communication control circuit detects dynamic dispatching in PDCCH control message
SRS transmission, then it indicates that SRS transmission control circuit 602 executes in next available SRS resource that the SRS of dynamic dispatching is configured
SRS transmission.It is specified in the subsequent SRS configuration for checking dynamic dispatching in the memory 604 of SRS transmission control circuit 602 next
The available transmission moment, and control radio interface component 606 and matched in next possible SRS resource according to the SRS of dynamic dispatching
Set transmission SRS.
Fig. 7 indicates the exemplary structure of another equipment according to an embodiment of the present invention.The equipment can be applied to above-mentioned base station.
The equipment includes: radio interface component 706, can establish the radio connection with terminal installation.Radio interface component 706
It can be configured to according to the transmission of the specification handles of UMTS LTE and/or another telecommunication system and received signal.The equipment further include:
Memory 704 stores the messaging parameter needed in radio communication and other parameters.Memory 704 can go back storage configuration, and this sets
Standby one or more computer programs to execute the embodiment of the present invention.
The equipment further include: communication control circuit 700 realizes the embodiment of the present invention (in some embodiments in a base station
In by one or more computer program-drivens).Communication control circuit 700 controls the traffic operation executed in a base station.Communication
Control circuit 700 may include SRS scheduler circuitry 710, SRS analysis circuit 714 and RRC circuit 712 as sub-circuit.RRC electricity
Road 712 can semi-statically handle the RRC horizontal arrangement of SRS configuration and reconfigure.Therefore, RRC circuit 712 can be periodicity
The terminal installation controlled by base station is distributed in SRS configuration and dynamic SRS configuration.RRC circuit 712 can distribute for each terminal installation
A kind of periodicity SRS configuration, but identical dynamic SRS configuration can be assigned to multiple terminal installations.RRC circuit can be with quilt
The identifier for being assigned with the terminal installation of each SRS configuration stores the SRS configuration of distribution in association, thus RRC circuit 712,
SRS scheduler 710 and SRS analysis circuit 714 know which kind of SRS configuration is assigned to which terminal installation.
SRS is analyzed through radio interface component from the received SRS transmission of terminal installation.It is true that SRS analyzes circuit
Surely uplink (and possible opposite downlink) channel status between given terminal installation and base station.SRS analysis electricity
Reduced quality in the SRS transmission of the detectable given terminal installation in road, and as a result, it may indicate that SRS scheduler is terminal dress
Set the quality for dispatching other SRS transmission to improve SRS analysis.Cause another event of the scheduling of other SRS transmission with to
The reception of the uplink scheduling request of the transmission of terminal apparatus requests uplink data is related.Determining that being ready to use in data passes
Before defeated uplink resource, the SRS transmission (multiple) that communication control circuit 700 can control scheduler schedules other is to improve
SRS analysis, and as a result, improve the performance of the resource allocation of uplink data transmission.Receiving other SRS transmission
When, SRS analysis circuit can be aggregated in channel coherency time as described above from the received a variety of SRS transmissions of terminal installation.SRS tune
Spend the scheduling of the device circuit 710 such as requested dynamic SRS configuration of SRS analysis circuit (or other components of communication control circuit 700)
Transmission.
As used in this application, term " circuit " indicate all below it is every: (a) only hardware circuit implementation,
Such as only implementation in analog and/or digital circuit；(b) combination of circuit and software (and/or firmware), such as (root
According to needs): the combination of (i) processor (multiple), or (ii) they include being worked together so that the number letter that equipment performs various functions
Processor (multiple)/software each section of number processor (multiple), software and memory (multiple)；Even if (c) software or
Firmware is not physically exist the circuit for being also required to software or firmware to be operated, such as microprocessor (multiple) or micro process
A part of device (multiple).
This definition of " circuit " is suitable for all uses of this term in this application.As another example, such as originally
Used in application, term " circuit " will also include only a part of processor (or multiple processors) or processor and
The implementation of its (or they) bundled software and/or firmware.Term " circuit " will also include for example (and if suitable
For particular element) based band integrated circuit or application processor integrated circuit or server, Cellular Networks for mobile phone
Similar integrated circuit in network device or another network equipment.
It can also be according to the computer procedures defined by computer program in conjunction with the processor described of Fig. 2 to 5 or method
Form executes.Computer program can have source code form, object code form or have a certain intermediate form, and it
It is storable in certain carrier, which can be any entity or device that can carry the program.This carrier includes example
Such as recording medium, computer storage, read-only memory, electric carrier signal, telecommunication signal and software distribution package.As needed
Processing capacity, computer program can execute in Single Electron digital processing element or it can be distributed in many processing units
Between.
It present invention can be suitably applied to honeycomb or mobile communication system defined above, but also be suitable for other suitable telecommunications
System.Cellular telecommunication system, which can have, provides the static infrastructure of wireless service for terminal installation.The agreement that uses, mobile electricity
The specification of letter system, their network element and Subscriber terminals rapidly develop.This development may need described embodiment
Additional variation.Therefore, all words should be widely interpreted with expression and they are intended to indicate that and non-limiting embodiments.
It will be clear that, with technological progress, design of the invention can be with various to those skilled in the art
Method is realized.The present invention and embodiment are not limited to examples detailed above, but can change within the scope of the claims.
Claims (24)
1. a kind of method for cellular radio telecommunication, comprising:
It is configured using the single mixing detection reference signal for being combined with following item:
For in a communications system from terminal installation to the first detection reference of the detection reference signal of base station transmission dynamic dispatching
Signal configuration, and
For the second detection of periodical detection reference signal periodically to be transmitted from terminal installation to base station in a manner of semi-static
Reference signal configuration, wherein first and second detection reference signal configuration is used simultaneously in the terminal installation；And
The first and second detection reference signals configuration is executed, for the period described in the antenna transmission from the terminal installation
The detection reference signal of property detection reference signal and the dynamic dispatching.
2. according to the method described in claim 1, further include: it triggers described with the first detection reference signal configuration association
The primary transmission of the detection reference signal of dynamic dispatching.
3. according to the method described in claim 1, wherein the messaging parameter of the first detection reference signal configuration is by quiet with half
State mode configures.
4. according to the method described in claim 3, the messaging parameter being wherein semi-statically configured includes at least one following: band
The wide communication resource；Cyclic shift resource defines the cyclic shift of the signal sequence of detection reference signal；Spectral shape resource,
Its spectral shape for defining detection reference signal；Cyclic parameter defines the periodicity of detection reference signal；And sub-frame offset
Parameter defines the transmission timing of detection reference signal.
5. according to the method described in claim 1, further include: if the detection reference signal of scheduling dynamic dispatching is so that it and week
The transmission collision of phase property detection reference signal then considers dynamic dispatching relative to the transmission preferences of detecting periodically reference signal
The transmission of detection reference signal.
6. the method according to any one of claims 1 to 5, further includes:
Using for a variety of different detection reference signal configurations from terminal installation to base station transmission detection reference signal；And
The sequence of triggering detection reference signal is once transmitted.
7. the method according to any one of claims 1 to 5, in which:
The detection reference signal configuration of identical dynamic dispatching is assigned to multiple terminal installations；And
One of each only the multiple terminal installation is scheduled to be configured using the detection reference signal of the dynamic dispatching.
8. the method according to any one of claims 1 to 5, further includes:
Detecting periodically reference signal is transmitted in the first transmission time；And
In the detection reference signal of the second transmission time transmission dynamic dispatching, wherein the first transmission time and the second transmission time it
Between duration be shorter than the radio channel between terminal installation and base station hypothesis coherence time, wherein
The detection reference signal and detecting periodically reference signal of dynamic dispatching are polymerize in base station, to improve detection reference signal
The reliability of analysis.
9. the method according to any one of claims 1 to 5, further includes:
The detection reference signal of two kinds of dynamic dispatchings is transmitted in two transmission times, is wherein continued between the two transmission times
Time is shorter than the coherence time of the hypothesis of the radio channel between terminal installation and base station, wherein
The detection reference signal of both dynamic dispatchings is polymerize in base station, to improve the reliability of detection reference signal analysis.
10. the method according to any one of claims 1 to 5, further includes:
Using two kinds for periodically transmitting periodical detection reference signal from terminal installation to base station in a manner of semi-static
Detection reference signal configuration, wherein
The cyclical transmission timing of described two detection reference signal configurations is assigned, so that described two detection reference signals
Duration between the transmission time of configuration be shorter than the hypothesis of the radio channel between terminal installation and base station it is relevant when
Between；And
It is polymerize in the detection reference signal for continuously transmitting reception with both detection reference signal configuration associations, to mention
The reliability of high detection reference signal analysis.
11. a kind of equipment for cellular radio telecommunication, comprising:
Communication control circuit is configured as:
It is configured using the single mixing detection reference signal for being combined with following item:
For in a communications system from terminal installation to the first detection reference of the detection reference signal of base station transmission dynamic dispatching
Signal configuration, and
For the second detection of periodical detection reference signal periodically to be transmitted from terminal installation to base station in a manner of semi-static
Reference signal configuration, wherein first and second detection reference signal configuration is used simultaneously in the terminal installation；And
The first and second detection reference signals configuration is executed for the period described in the antenna transmission from the terminal installation
The detection reference signal of property detection reference signal and the dynamic dispatching.
12. equipment according to claim 11, wherein the communication control circuit is additionally configured to triggering and described first
The primary transmission of the detection reference signal of the dynamic dispatching of detection reference signal configuration association.
13. equipment according to claim 11, wherein the messaging parameter of first detection reference signal configuration is by with half
Static mode configuration.
14. equipment according to claim 13, wherein the messaging parameter being semi-statically configured includes at least one following:
Bandwidth communication resource；Cyclic shift resource defines the cyclic shift of the signal sequence of detection reference signal；Spectral shape money
Source defines the spectral shape of detection reference signal；Cyclic parameter defines the periodicity of detection reference signal；And subframe
Offset parameter defines the transmission timing of detection reference signal.
15. equipment according to claim 11, wherein the communication control circuit is configured as, if scheduling dynamic dispatching
Detection reference signal so that it and detecting periodically reference signal transmission collision, then relative to detecting periodically reference signal
Transmission preferences consider dynamic dispatching detection reference signal transmission.
16. equipment described in any one of 1 to 15 according to claim 1, wherein the communication control circuit is additionally configured to answer
It is visited with for a variety of different detection reference signal configurations from terminal installation to base station transmission detection reference signal, and triggering
The sequence for surveying reference signal is once transmitted.
17. equipment described in any one of 1 to 15 according to claim 1, wherein the equipment is suitable for base station, and wherein institute
Communication control circuit is stated the detection reference signal configuration of identical dynamic dispatching is additionally configured to distribute to multiple terminal installations
And one of the multiple terminal installation is only dispatched to configure using the detection reference signal of the dynamic dispatching every time.
18. equipment described in any one of 1 to 15 according to claim 1, wherein the equipment is suitable for base station, and wherein institute
It states communication control circuit and is also configured to configurating terminal device to transmit detecting periodically reference signal in the first transmission time；
The transmission that the detection reference signal of dynamic dispatching is dispatched for the second transmission time, wherein the first transmission time and the second transmission time
Between duration be shorter than the radio channel between terminal installation and base station hypothesis coherence time；And polymerization dynamic
The detection reference signal and detecting periodically reference signal of scheduling are to improve the reliability that detection reference signal is analyzed.
19. equipment described in any one of 1 to 15 according to claim 1, wherein the equipment is suitable for base station, and wherein institute
Communication control circuit is stated to be also configured to dispatch the transmission of the detection reference signal of two kinds of dynamic dispatchings for two transmission times,
Wherein the duration between the two transmission times is shorter than the phase of the hypothesis of the radio channel between terminal installation and base station
The dry time；And the detection reference signal of polymerization dynamic dispatching is to improve the reliability that detection reference signal is analyzed.
20. equipment described in any one of 1 to 15 according to claim 1, wherein the equipment is suitable for base station, wherein described logical
Letter control circuit is additionally configured to configurating terminal device by application for periodical from terminal installation to base station in a manner of semi-static
Ground transmits two kinds of detection reference signals configuration of periodical detection reference signal, and wherein the communication control circuit is also matched
The cyclical transmission timing for distributing described two detection reference signal configurations is set to so that described two detection reference signals are matched
The duration between transmission time set is shorter than the coherence time of the hypothesis of the radio channel between terminal installation and base station,
And the detection reference signal for continuously transmitting reception with both detection reference signal configuration associations is aggregated in improve
The reliability of detection reference signal analysis.
21. equipment described in any one of 1 to 15 according to claim 1, wherein the equipment is the base station of cellular telecommunication system.
22. equipment described in any one of 1 to 15 according to claim 1, wherein the equipment is the terminal of cellular telecommunication system
Device.
23. a kind of equipment for cellular radio telecommunication, comprising:
At least one processor；With
At least one processor is stored with computer program code, and the computer program code is at least one processor
On be performed the equipment made to execute method according to any one of claim 1 to 10.
24. a kind of computer-readable medium, is stored with computer program instructions, set when the computer program instructions are loaded into
When standby middle, the computer program instructions make the equipment execute method according to any one of claim 1 to 10.
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| CN110247748B (en) * | 2016-02-26 | 2021-06-22 | 北京佰才邦技术有限公司 | Transmission method and device of sounding reference signal and terminal |
| CN107306410B (en) * | 2016-04-22 | 2020-09-11 | 大唐移动通信设备有限公司 | SRS resource management method and system |
| CN108023705B (en) * | 2016-11-04 | 2021-01-08 | 维沃移动通信有限公司 | Semi-static reference signal configuration and transceiving method, base station and terminal |
| US20180323928A1 (en) * | 2017-05-05 | 2018-11-08 | Mediatek Inc. | Sounding Reference Signal Design In Mobile Communications |
| CN110474734B (en) * | 2018-05-11 | 2022-02-08 | 华为技术有限公司 | Communication method and device |
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