CN113541901A - Method and device for indicating time slot offset of aperiodic SRS (sounding reference Signal) - Google Patents
Method and device for indicating time slot offset of aperiodic SRS (sounding reference Signal) Download PDFInfo
- Publication number
- CN113541901A CN113541901A CN202010324187.6A CN202010324187A CN113541901A CN 113541901 A CN113541901 A CN 113541901A CN 202010324187 A CN202010324187 A CN 202010324187A CN 113541901 A CN113541901 A CN 113541901A
- Authority
- CN
- China
- Prior art keywords
- aperiodic srs
- dci
- srs resource
- slot offset
- resource set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 107
- 230000003213 activating effect Effects 0.000 claims description 56
- 230000008569 process Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000013468 resource allocation Methods 0.000 claims description 6
- 238000001774 stimulated Raman spectroscopy Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 21
- 230000006870 function Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 230000011664 signaling Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the application discloses a method and equipment for indicating time slot offset of an aperiodic SRS (sounding reference Signal), which are used for solving the problem of inflexible time slot offset indication mode of the aperiodic SRS. The method can be executed by a terminal device and comprises the following steps: receiving Downlink Control Information (DCI), wherein the DCI is used for indicating a first time slot offset of an aperiodic Sounding Reference Signal (SRS) resource set. In the embodiment of the invention, the network equipment can dynamically indicate the time slot offset of the aperiodic SRS resource set through the DCI, and the indication mode of the time slot offset is more flexible, thereby being convenient for meeting different communication requirements and improving the communication efficiency.
Description
Technical Field
The embodiment of the invention relates to the field of communication, in particular to a time slot offset indication method and device of a non-periodic Sounding Reference Signal (SRS).
Background
The uplink SRS includes a periodic SRS, an aperiodic SRS, and a semi-persistent SRS. The aperiodic SRS is sent after being triggered by dynamic signaling, and its slot offset is pre-configured by Radio Resource Control (RRC). In consideration of the characteristics of RRC signaling, the above scheme may result in that the slot offset of the aperiodic SRS is not updated for a long time, and the slot offset indication manner of the aperiodic SRS is not flexible. For some traffic types, such as Ultra Reliable and Low Latency Communications (URLLC); or some services arriving in bursts, long-time use of the same slot offset configuration may result in unsatisfactory service requirements or inefficiency.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a method and a device for indicating a slot offset of an aperiodic SRS, so as to solve the problem that a slot offset indication method of the aperiodic SRS is not flexible.
In a first aspect, a slot offset indication method for an aperiodic SRS is provided, where the method is performed by a terminal device, and the method includes: receiving Downlink Control Information (DCI), wherein the DCI is used for indicating a first time slot offset of an aperiodic Sounding Reference Signal (SRS) resource set.
In a second aspect, a slot offset indication method for an aperiodic SRS is provided, where the method is performed by a network device, and the method includes: transmitting DCI indicating a first slot offset of a set of aperiodic SRS resources.
In a third aspect, a terminal device is provided, which includes: a receiving module configured to receive DCI indicating a first slot offset of an aperiodic SRS resource set.
In a fourth aspect, a network device is provided, the network device comprising: a transmitting module configured to transmit DCI indicating a first slot offset of an aperiodic SRS resource set.
In a fifth aspect, a terminal device is provided, which includes a processor, a memory, and instructions or programs stored on the memory and executable on the processor, and when executed by the processor, the instructions or programs implement the steps of the slot offset indication method for aperiodic SRS according to the first aspect.
In a sixth aspect, a network device is provided, which comprises a processor, a memory, and instructions or programs stored on the memory and executable on the processor, the instructions or programs, when executed by the processor, implementing the slot offset indication method for aperiodic SRS according to the second aspect.
In a seventh aspect, a readable storage medium is provided, on which instructions or a program are stored, which when executed by a processor implement the slot offset indication method for an aperiodic SRS according to any one of the first and second aspects.
In the embodiment of the invention, the network equipment can dynamically indicate the time slot offset of the aperiodic SRS resource set through the DCI, and the indication mode of the time slot offset is more flexible, thereby being convenient for meeting different communication requirements and improving the communication efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic flow diagram of a slot offset indication method for an aperiodic SRS in accordance with one embodiment of the present invention;
FIG. 2 is a schematic flow diagram of a slot offset indication method for an aperiodic SRS in accordance with another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
FIG. 4 is a schematic block diagram of a network device according to one embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal device according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a network device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. "and/or" in various embodiments of the present specification means at least one of front and rear.
It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: a Long Term Evolution (LTE) System, an LTE Frequency Division Duplex (FDD) System, an LTE Time Division Duplex (TDD) System, a Universal Mobile Telecommunications System (UMTS) or Worldwide Interoperability for Microwave Access (WiMAX) communication System, a 5G System, a New Radio (NR) System, or a subsequent Evolution communication System.
In the embodiment of the present invention, the Terminal device may include, but is not limited to, a Mobile Station (MS), a Mobile Terminal (Mobile Terminal), a Mobile phone (Mobile Telephone), a User Equipment (UE), a handset (handset), a portable device (portable Equipment), a vehicle (vehicle), etc., and the Terminal device may communicate with one or more core networks through a Radio Access Network (RAN), for example, the Terminal device may be a Mobile phone (or referred to as a "cellular" phone), a computer with a wireless communication function, and the Terminal device may also be a portable, pocket, handheld, computer-embedded, or vehicle-mounted Mobile apparatus.
In the embodiment of the present invention, the network device is a device deployed in a radio access network to provide a wireless communication function for a terminal device. The network device may be a base station, and the base station may include various macro base stations, micro base stations, relay stations, access points, and the like. In systems employing different radio access technologies, the names of devices having a base station function may differ. For example, in an LTE network, referred to as an Evolved node B (eNB or eNodeB), in a third Generation (3rd Generation, 3G) network, referred to as a node B (node B), in a 5G system, referred to as a next Generation node B (gnb), or a network device in a later Evolved communication system, etc., the terms are not limited.
As shown in fig. 1, an embodiment of the present invention provides a method 100 for indicating a slot offset of a non-periodic Sounding Reference Signal (SRS), which may be performed by a terminal device, in other words, may be performed by software or hardware installed in the terminal device, and the method includes the following steps.
S102: receiving Downlink Control Information (DCI) indicating a first slot offset of an aperiodic SRS resource set.
The first slot offset may be used to indicate a slot-level interval from the time when the terminal device receives the aperiodic SRS transmission indication (e.g., DCI for activating the aperiodic SRS resource set) to the time when SRS transmission actually starts, and the unit may be a slot.
Alternatively, the DCI may be multiplexing of DCIs of other functions, for example, the DCI may be DCI for scheduling uplink data and activating the aperiodic SRS resource set. The embodiment can save DCI overhead and avoid Physical Downlink Control Channel (PDCCH) congestion.
Optionally, S102 may further include the following steps: receiving indication information, where the indication information is used to indicate whether the first slot offset of the aperiodic SRS resource set is indicated by the DCI, and the aperiodic SRS resource set and a target Identity (ID) correspond to each other.
In this way, the indication information may indicate whether the aperiodic SRS resource set corresponding to the target ID indicates the first slot offset of the aperiodic SRS resource set through DCI by indicating the target ID. Wherein the target ID comprises at least one of: an SRS resource ID; SRS resource set ID; a DCI format; BandWidth Part (BWP) ID; a user ID; a carrier control unit ID; use case.
Optionally, the following step may be further included after S102: and sending the SRS in the aperiodic SRS resource set on the time slot indicated by the first time slot offset or on the first effective time slot after the time slot indicated by the first time slot offset.
Optionally, the following step may be further included after S102: and sending the SRS in the aperiodic SRS resource set on the time slot indicated by the first time slot offset or on the first effective time slot after the time slot indicated by the first time slot offset under the condition that the DCI is downlink DCI.
According to the time slot offset indicating method of the aperiodic SRS provided by the embodiment of the invention, the network equipment can dynamically indicate the time slot offset of the aperiodic SRS resource set through the DCI, the indicating mode of the time slot offset is more flexible, different communication requirements are conveniently met, and the communication efficiency is improved.
Optionally, the DCI mentioned in embodiment 100 is further used to schedule uplink data and activate the aperiodic SRS resource set, where the DCI is an uplink DCI.
This embodiment may indicate the first Time slot offset through a Time Domain Resource Allocation (TDRA) field in the DCI, and it is understood that the TDRA field may be used to indicate the Time slot offset of scheduled Uplink data, such as a Physical Uplink Shared Channel (PUSCH), at the same Time. In a specific example, the first slot offset is equal to a slot offset of uplink data scheduled by DCI.
According to the embodiment, the first time slot offset of the aperiodic SRS resource set is indicated by reusing DCI with other functions, DCI overhead can be saved, and PDCCH congestion is avoided.
Optionally, the DCI mentioned in embodiment 100 is further configured to activate the aperiodic SRS resource set and an aperiodic Channel State Information (CSI) report, and the DCI may be an uplink DCI.
The DCI in this embodiment includes an Uplink Shared Channel (UL-SCH) field and a CSI request field, where the UL-SCH field is set to 0, and the setting of the UL-SCH field to 0 indicates that the UL-SCH is not transmitted on a PUSCH, and the PUSCH is only used for CSI reporting; and the reporting configuration of the CSI report related to the CSI request field is set to be none, namely the CSI report is activated but not reported.
The DCI in this embodiment comprises a first indication field for indicating the first slot offset; wherein the first indication field comprises at least one of the following DCI: a TDRA field, a Transmit Power Control (TPC) command field of a Physical Downlink Shared Channel (PDSCH) for scheduling, an SRS resource indication field, a Modulation and Coding Scheme (MCS) field, and a Hybrid Automatic Repeat Request (HARQ) process number (process number) field.
In this embodiment, the terminal device may also ignore other fields of the DCI, where the other fields are: a field other than the UL-SCH field, the CSI request field, an SRS request field, and the first indication field.
This embodiment may indicate the first time slot offset through a TDRA field in DCI, and it is understood that the TDRA field may be used to indicate a time slot offset of scheduled uplink data at the same time. In a specific example, the first slot offset is equal to a slot offset of uplink data scheduled by DCI.
According to the embodiment, the first time slot offset of the aperiodic SRS resource set is indicated by reusing DCI with other functions, DCI overhead can be saved, and PDCCH congestion is avoided.
Optionally, the DCI mentioned in embodiment 100 is further used to activate or deactivate a semi-persistent CSI report transmitted on a Physical Uplink Shared Channel (PUSCH) and to activate the aperiodic SRS resource set, and the DCI may be an Uplink DCI.
In this embodiment, in a case that the DCI is used to activate the semi-persistent CSI report, the DCI includes a second indication field for indicating the first slot offset, and the second indication field includes at least one of: a TDRA domain, a TPC command domain for a scheduled PDSCH, an SRS resource indication domain and a modulation coding scheme domain; and/or a third indication field included in the DCI for indicating the first slot offset, where the DCI is used to deactivate the semi-persistent CSI report. The third indication field comprises at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
According to the embodiment, the first time slot offset of the aperiodic SRS resource set is indicated by reusing DCI with other functions, DCI overhead can be saved, and PDCCH congestion is avoided.
Optionally, the DCI mentioned in embodiment 100 is further used to activate or deactivate a type 2 uplink grant (UL grant type 2) and activate the aperiodic SRS resource set, where the DCI is an uplink DCI.
In this embodiment, in a case that the DCI is used to activate the type 2 uplink grant, a TDRA field included in the DCI is used to indicate the first slot offset; and/or, in a case that the DCI is used to deactivate the type 2 uplink grant, a third indication field included in the DCI is used to indicate the first slot offset; wherein the third indication field comprises at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
According to the embodiment, the first time slot offset of the aperiodic SRS resource set is indicated by reusing DCI with other functions, DCI overhead can be saved, and PDCCH congestion is avoided.
Optionally, the DCI mentioned in embodiment 100 is further configured to activate the aperiodic SRS resource set, and the DCI may be a downlink DCI.
In this embodiment, the DCI includes a newly added indication field (e.g., a newly added 1-bit indication field), where the newly added indication field is used to indicate whether the DCI is used to activate the aperiodic SRS resource set.
In this embodiment, the DCI includes a fourth indication field indicating the first slot offset; wherein the fourth indication field is at least one of: a TDRA Domain, a Frequency Domain Resource Allocation (FDRA) Domain, a TPC command Domain for a scheduled PDSCH, an SRS Resource indication Domain, and a modulation coding scheme Domain.
According to the embodiment, the first time slot offset of the aperiodic SRS resource set is indicated by reusing DCI with other functions, DCI overhead can be saved, and PDCCH congestion is avoided.
This embodiment may further comprise the steps of: transmitting the SRS within the set of SRS resources at the slot indicated by the first slot offset, or at a first active slot after the first slot offset. For example, the slot in which the DCI is received is slot n, the first slot offset is 3, slot n +3 is an invalid slot, the first valid slot after the slot indicated by the first slot offset is slot n +4, and the terminal device may send the SRS in the aperiodic SRS resource set in slot n + 4.
Optionally, the DCI mentioned in embodiment 100 is further used to schedule downlink data and activate the aperiodic SRS resource set, and the DCI may be downlink DCI.
This embodiment may indicate the first time slot offset through a TDRA field in DCI, and it is understood that the TDRA field may be used to indicate a time slot offset of scheduled downlink data at the same time. In a specific example, the first slot offset is equal to a slot offset of downlink data scheduled by DCI.
This embodiment may further comprise the steps of: transmitting the SRS within the set of aperiodic SRS resources in the slot indicated by the first slot offset or in a first active slot after the slot indicated by the first slot offset.
According to the embodiment, the first time slot offset of the aperiodic SRS resource set is indicated by reusing DCI with other functions, DCI overhead can be saved, and PDCCH congestion is avoided.
Optionally, the DCI mentioned in embodiment 100 is further used to activate or deactivate downlink Semi-Persistent Scheduling (SPS) and activate the aperiodic SRS resource set, where the DCI may be an uplink DCI or a downlink DCI.
In this embodiment, in a case where the DCI is to activate the DL SPS, the DCI includes a TDRA to indicate the first slot offset; and/or, in case the DCI is used to deactivate the DL SPS report, the DCI includes a fifth indication field for indicating the first slot offset; wherein the fifth indication field is at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
According to the embodiment, the first time slot offset of the aperiodic SRS resource set is indicated by reusing DCI with other functions, DCI overhead can be saved, and PDCCH congestion is avoided.
In the case that the DCI is a downlink DCI, the embodiment may further include the following steps: transmitting the SRS within the set of SRS resources in the slot indicated by the first slot offset or a first active slot after the slot indicated by the first slot offset.
The aperiodic SRS resource set mentioned in the foregoing embodiments may be further configured with a second slot offset, for example, the second slot offset is configured for the aperiodic SRS resource set in advance through RRC signaling, so that the terminal device mentioned in the foregoing embodiments may further perform one of the following:
1) preferentially transmitting the SRS in the aperiodic SRS resource set using the second slot offset.
2) Preferentially transmitting SRSs within the set of aperiodic SRS resources using the first slot offset.
3) Transmitting the SRS within the set of aperiodic SRS resources in accordance with the first slot offset and the second slot offset (e.g., in accordance with a sum of the first slot offset and the second slot offset).
It can be understood that the above three cases can also be used in combination, for example, if SRS transmission cannot be performed at the position indicated by the second slot offset by the SRS resource in the aperiodic SRS resource set, SRS transmission is performed by using the first slot offset indicated by the DCI.
The DCI mentioned in the foregoing embodiments, if a plurality of the aperiodic SRS resource sets are activated simultaneously, may perform one of the following:
1) not using the first slot offset indicated by the DCI. For example, the SRS is transmitted using only the RRC configured second slot offset.
2) The DCI indicates a plurality of the first slot offsets for a plurality of the aperiodic SRS resource sets.
3) The plurality of aperiodic SRS resource sets include a first aperiodic SRS resource set and a second aperiodic SRS resource set, the DCI indicates the first slot offset a of the first aperiodic SRS resource set, and then the first slot offset X of the second aperiodic SRS resource set is determined by at least one of the following parameters: a is described; a second slot offset B configured for the first aperiodic SRS resource set; a second slot offset C of the second aperiodic SRS resource set configuration. For example, X is determined by a preset formula associated with at least one of A, B and C, for example X is determined by the following formula: x is a + C-B.
4) The plurality of aperiodic SRS resource sets include a first aperiodic SRS resource set and a second aperiodic SRS resource set, and the DCI indicates the first slot offset of the first aperiodic SRS resource set, so that the terminal device may further transmit an SRS in the second aperiodic SRS resource set in an effective slot after the first aperiodic SRS resource set. The effective time slot is an uplink time slot capable of transmitting all SRS resources in the second aperiodic SRS resource set.
Optionally, in a case that the second aperiodic SRS resource set is multiple, the transmitting SRS in the second aperiodic SRS resource set in an active slot after the first aperiodic SRS resource set includes: and sequentially transmitting the SRSs in the second aperiodic SRS resource set on an effective time slot after the first SRS resource set according to a target sequence. The effective time slot is an uplink time slot capable of transmitting all SRS resources in the second aperiodic SRS resource set.
The target order is determined according to the numbers of the plurality of the second aperiodic SRS resource sets (e.g., in order of small to large numbers); or the target order is determined according to sizes of second slot offsets configured for the plurality of second aperiodic SRS resource sets respectively (for example, according to an order of the plurality of second slot offsets from small to large).
Optionally, it is mentioned in 3) and 4) above that the first aperiodic SRS resource set may be a plurality of aperiodic SRS resource sets activated by the DCI simultaneously, and the aperiodic SRS resource sets satisfy one of the following conditions: the number is the largest; the number is the smallest; the DCI is associated; the configured second time slot offset is maximum; the configured second slot offset is minimal.
In the above embodiment, the plurality of aperiodic SRS resource sets may be activated by the DCI, and the plurality of first slot offsets of the plurality of aperiodic SRS resource sets may be indicated, so as to avoid PDCCH congestion caused by sending a plurality of DCIs to trigger different aperiodic SRS resource sets in the same slot.
Optionally, embodiment 100 may further include at least one of the following steps:
1) if the aperiodic SRS resource set does not configure a second time slot offset through RRC signaling, sending the SRS in the aperiodic SRS resource set through the first time slot offset;
2) and if the aperiodic SRS resource set is configured with the second time slot offset through RRC signaling, sending the SRS in the aperiodic SRS resource set through the second time slot offset, wherein the first time slot offset does not take effect.
It should be noted that, the SRS mentioned in the above embodiments of the present specification may refer to an aperiodic SRS.
The slot offset indication method of the aperiodic SRS according to the embodiment of the present invention is described in detail above with reference to fig. 1. A slot offset indication method of the aperiodic SRS according to another embodiment of the present invention will be described in detail with reference to fig. 2. It is to be understood that the interaction between the network device and the terminal device described from the network device side is the same as that described at the terminal device side in the method shown in fig. 1, and the related description is appropriately omitted to avoid redundancy.
Fig. 2 is a schematic flow chart of an implementation of a method for indicating a slot offset of an aperiodic SRS according to an embodiment of the present invention, which may be applied to a network device. As shown in fig. 2, the method 200 includes:
s202: transmitting DCI indicating a first slot offset of a set of aperiodic SRS resources.
According to the time slot offset indicating method of the aperiodic SRS provided by the embodiment of the invention, the network equipment can dynamically indicate the time slot offset of the aperiodic SRS resource set through the DCI, the indicating mode of the time slot offset is more flexible, different communication requirements are conveniently met, and the communication efficiency is improved.
Optionally, as an embodiment, the DCI is further used for one of:
scheduling uplink data and activating the aperiodic SRS resource set, wherein the DCI can be uplink DCI;
activating the aperiodic SRS resource set and the aperiodic CSI report, wherein the DCI can be an uplink DCI;
activating or deactivating a semi-persistent CSI report transmitted on a PUSCH and activating the aperiodic SRS resource set, wherein the DCI can be an uplink DCI;
activating or deactivating type 2 uplink grant and activating the aperiodic SRS resource set, wherein the DCI can be uplink DCI;
activating the aperiodic SRS resource set, wherein the DCI can be downlink DCI;
scheduling downlink data and activating the aperiodic SRS resource set, wherein the DCI can be downlink DCI;
activating or deactivating the DL SPS and activating the aperiodic SRS resource set, wherein the DCI can be downlink DCI or uplink DCI.
The slot offset indication method of the aperiodic SRS according to the embodiment of the present invention is described in detail above with reference to fig. 1 to 2. A terminal device according to an embodiment of the present invention will be described in detail below with reference to fig. 3.
Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 3, the terminal device 300 includes:
a receiving module 302 may be configured to receive DCI indicating a first slot offset of a set of aperiodic SRS resources.
In the embodiment of the invention, the network equipment can dynamically indicate the time slot offset of the aperiodic SRS resource set through the DCI, and the indication mode of the time slot offset is more flexible, thereby being convenient for meeting different communication requirements and improving the communication efficiency.
Optionally, as an embodiment, the DCI is further used to schedule uplink data and activate the aperiodic SRS resource set, and the DCI may be an uplink DCI.
Optionally, as an embodiment, the DCI is further configured to activate the aperiodic SRS resource set and an aperiodic channel state information CSI report, and the DCI may be an uplink DCI.
Optionally, as an embodiment, the DCI includes an uplink shared channel UL-SCH field and a CSI request field; the UL-SCH domain is set to be 0, and the reporting configuration of the CSI report related to the CSI request domain is set to be none.
Optionally, as an embodiment, the DCI includes a first indication field, where the first indication field is used to indicate the first slot offset;
wherein the first indication field comprises at least one of: a time domain resource allocation TDRA domain, a transmission power control TPC command domain of a physical downlink shared channel PDSCH for scheduling, an SRS resource indication domain, a modulation coding scheme domain and a hybrid automatic repeat request HARQ process number domain.
Optionally, as an embodiment, the terminal device 300 may further ignore other fields in the DCI, where the other fields are: a field other than the UL-SCH field, the CSI request field, an SRS request field, and the first indication field.
Optionally, as an embodiment, the DCI is further configured to activate or deactivate a semi-persistent CSI report and to activate the aperiodic SRS resource set, where the DCI is an uplink DCI.
Alternatively, the processor may, as an embodiment,
in a case where the DCI is used to activate the semi-persistent CSI report, the DCI includes a second indication field for indicating the first slot offset; and/or
A third indication field included in the DCI for indicating the first slot offset, where the DCI is to deactivate the semi-persistent CSI report;
wherein the second indication field comprises at least one of: a TDRA domain, a TPC command domain for a scheduled PDSCH, an SRS resource indication domain and a modulation coding scheme domain; the third indication field comprises at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
Optionally, as an embodiment, the DCI is further configured to activate or deactivate a type 2 uplink grant and activate the aperiodic SRS resource set, where the DCI may be an uplink DCI.
Alternatively, the processor may, as an embodiment,
in a case that the DCI is used for activating the type 2 uplink grant, a TDRA field included in the DCI is used for indicating the first slot offset; and/or
On a condition that the DCI is used for deactivating the type 2 uplink grant, a third indication field included in the DCI is used for indicating the first slot offset;
wherein the third indication field comprises at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
Optionally, as an embodiment, the DCI is further configured to activate the aperiodic SRS resource set, and the DCI may be a downlink DCI.
Optionally, as an embodiment, the DCI includes a newly added indication field, where the newly added indication field is used to indicate whether the DCI is used to activate the aperiodic SRS resource set.
Optionally, as an embodiment, the DCI includes a fourth indication field, where the fourth indication field is used to indicate the first slot offset;
wherein the fourth indication field is at least one of: a TDRA domain, a frequency domain resource allocation FDRA domain, a TPC command domain for a scheduled PDSCH, an SRS resource indication domain and a modulation coding scheme domain.
Optionally, as an embodiment, the DCI is further used to schedule downlink data and activate the aperiodic SRS resource set, and the DCI may be a downlink DCI.
Optionally, as an embodiment, the DCI includes a TDRA field indicating the first slot offset.
Optionally, as an embodiment, the DCI is further configured to activate or deactivate downlink DL semi-persistent scheduling (SPS) and activate the aperiodic SRS resource set.
Alternatively, the processor may, as an embodiment,
in a case where the DCI is for activating the DL SPS, the DCI includes a TDRA for indicating the first slot offset; and/or
A fifth indication field included in the DCI to indicate the first slot offset, where the DCI is to deactivate the DL SPS report;
wherein the fifth indication field is at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
Optionally, as an embodiment, the aperiodic SRS resource set is configured with a second slot offset, and the terminal device 300 may preferentially use the second slot offset to transmit the SRS in the aperiodic SRS resource set.
Optionally, as an embodiment, the aperiodic SRS resource set is configured with a second slot offset, and the terminal device 300 may preferentially use the first slot offset to transmit the SRS in the aperiodic SRS resource set.
Optionally, as an embodiment, the aperiodic SRS resource set is configured with a second slot offset, and the terminal device 300 may further send the SRS in the aperiodic SRS resource set according to the first slot offset and the second slot offset.
Optionally, as an embodiment, if the DCI activates multiple aperiodic SRS resource sets simultaneously, the terminal device 300 may further:
not using the first slot offset indicated by the DCI; or
The DCI indicates a plurality of the first slot offsets for a plurality of the aperiodic SRS resource sets.
Optionally, as an embodiment, if the DCI activates multiple aperiodic SRS resource sets simultaneously, where the multiple aperiodic SRS resource sets include a first aperiodic SRS resource set and a second aperiodic SRS resource set, and the DCI indicates that the first slot offset of the first aperiodic SRS resource set is a, then the DCI indicates that the first slot offset of the first aperiodic SRS resource set is a
The first slot offset of the second SRS resource set is X, and X is determined by the following parameters: a is described; a second slot offset B configured for the first aperiodic SRS resource set; a second slot offset C of the second aperiodic SRS resource set configuration.
Optionally, as an embodiment, the X is determined by the following formula: x is a + C-B, where C is a second slot offset configured for the second aperiodic SRS resource set and B is a second slot offset configured for the first aperiodic SRS resource set.
Optionally, as an embodiment, if the DCI activates multiple aperiodic SRS resource sets simultaneously, where the multiple aperiodic SRS resource sets include a first aperiodic SRS resource set and a second aperiodic SRS resource set, and the DCI indicates the first slot offset of the first aperiodic SRS resource set, the terminal device 300 further includes a sending module, which may be configured to send an SRS in the second aperiodic SRS resource set on an active slot after the first aperiodic SRS resource set.
Optionally, as an embodiment, in a case that the second aperiodic SRS resource set is multiple, the sending module may be configured to: and sequentially transmitting the SRSs in the second aperiodic SRS resource set on an effective time slot after the first aperiodic SRS resource set according to a target sequence.
Alternatively, the processor may, as an embodiment,
the target order is determined according to the number of the plurality of the second aperiodic SRS resource sets; or
The target order is determined according to the sizes of second slot offsets configured for the plurality of second aperiodic SRS resource sets respectively.
Optionally, as an embodiment, the first aperiodic SRS resource set is a plurality of aperiodic SRS resource sets activated by the DCI simultaneously, and one of the following conditions is satisfied:
the number is the largest;
the number is the smallest;
the DCI is associated;
the configured second time slot offset is maximum;
the configured second slot offset is minimal.
Optionally, as an embodiment, the effective time slot is an uplink time slot capable of transmitting all SRS resources in the second aperiodic SRS resource set.
Optionally, as an embodiment, the terminal device 300 further includes a sending module, which is configured to send the SRS in the aperiodic SRS resource set on the slot indicated by the first slot offset or on a first effective slot after the slot indicated by the first slot offset.
Optionally, as an embodiment, the terminal device 300 further includes a sending module, which is configured to send, when the DCI is a downlink DCI, the SRS in the aperiodic SRS resource set on the time slot indicated by the first slot offset or on a first effective time slot after the time slot indicated by the first slot offset.
Optionally, as an embodiment, the terminal device 300 further includes a sending module, and may be configured to at least one of:
if the aperiodic SRS resource set is not configured with a second time slot offset, sending the SRS in the aperiodic SRS resource set through the first time slot offset;
if the aperiodic SRS resource set is configured with the second slot offset, sending the SRS in the aperiodic SRS resource set by the second slot offset, wherein the first slot offset does not take effect.
Optionally, as an embodiment, the receiving module 302 may be further configured to receive indication information, where the indication information is used to indicate whether the first slot offset of the aperiodic SRS resource set is indicated by the DCI, and the aperiodic SRS resource set corresponds to a target identity ID;
wherein the target ID comprises at least one of: an SRS resource ID; SRS resource set ID; a DCI format; a bandwidth part BWP ID; a user ID; a carrier control unit ID; use is provided.
The terminal device 300 according to the embodiment of the present invention may refer to the flow corresponding to the method 100 according to the embodiment of the present invention, and each unit/module and the other operations and/or functions in the terminal device 300 are respectively for implementing the corresponding flow in the method 100 and achieving the same or equivalent technical effects, and for brevity, no further description is provided herein.
Fig. 4 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in fig. 4, the network device 400 includes:
a transmitting module 402 can be configured to transmit DCI indicating a first slot offset of a set of aperiodic SRS resources.
In the embodiment of the invention, the network equipment can dynamically indicate the time slot offset of the aperiodic SRS resource set through the DCI, and the indication mode of the time slot offset is more flexible, thereby being convenient for meeting different communication requirements and improving the communication efficiency.
Optionally, as an embodiment, the DCI is further used for one of:
scheduling uplink data and activating the aperiodic SRS resource set, wherein the DCI can be uplink DCI;
activating the aperiodic SRS resource set and the aperiodic CSI report, wherein the DCI can be an uplink DCI;
activating or deactivating a semi-persistent CSI report transmitted on a PUSCH and activating the aperiodic SRS resource set, wherein the DCI can be an uplink DCI;
activating or deactivating type 2 uplink grant and activating the aperiodic SRS resource set, wherein the DCI can be uplink DCI;
activating the aperiodic SRS resource set, wherein the DCI can be downlink DCI;
scheduling downlink data and activating the aperiodic SRS resource set, wherein the DCI can be downlink DCI;
activating or deactivating the DL SPS and activating the aperiodic SRS resource set, wherein the DCI can be downlink DCI or uplink DCI.
The network device 400 according to the embodiment of the present invention may refer to the flow corresponding to the method 200 according to the embodiment of the present invention, and each unit/module and the other operations and/or functions in the network device 400 are respectively for implementing the corresponding flow in the method 200 and achieving the same or equivalent technical effects, and for brevity, no further description is provided herein.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts in the embodiments are referred to each other. For the apparatus embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
Where an indefinite or definite article is used when referring to a feature or noun, e.g. "a" or "an", "the", the article "a" or "an" does not exclude the presence of a plurality of such features or nouns, e.g. where one is specifically stated otherwise.
Furthermore, the terms first, second, third and the like in the description and in the claims, are used for distinguishing between similar parameters and not necessarily for describing a sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and that the embodiments of the invention described herein are capable of operation in other sequences than described or illustrated herein.
Fig. 5 is a block diagram of a terminal device of another embodiment of the present invention. The terminal device 500 shown in fig. 5 includes: at least one processor 501, memory 502, at least one network interface 504, and a user interface 503. The various components in the terminal device 500 are coupled together by a bus system 505. It is understood that the bus system 505 is used to enable connection communications between these components. The bus system 505 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 505 in FIG. 5.
The user interface 503 may include, among other things, a display, a keyboard, a pointing device (e.g., a mouse, trackball), a touch pad, or a touch screen.
It is to be understood that the memory 502 in embodiments of the present invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 502 of the subject systems and methods described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 502 stores elements, executable modules or data structures, or a subset thereof, or an expanded set thereof as follows: an operating system 5021 and application programs 5022.
The operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application 5022 includes various applications, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. The program for implementing the method according to the embodiment of the present invention may be included in the application program 5022.
In this embodiment of the present invention, the terminal device 500 further includes: instructions or programs stored on the memory 502 and executable on the processor 501, which when executed by the processor 501, implement the steps of the method embodiment 100 as follows.
The method disclosed by the above-mentioned embodiments of the present invention may be applied to the processor 501, or implemented by the processor 501. The processor 501 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 501. The Processor 501 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, or other readable storage medium known in the art. The readable storage medium is located in the memory 502, and the processor 501 reads the information in the memory 502 and completes the steps of the method in combination with the hardware. In particular, the readable storage medium has stored thereon instructions or a program which, when executed by the processor 501, implement the steps of the method embodiment 100 as described above.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described in this disclosure may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described in this disclosure. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The terminal device 500 can implement the processes implemented by the terminal device in the foregoing embodiments, and can achieve the same or equivalent technical effects, and for avoiding repetition, the details are not described here.
Referring to fig. 6, fig. 6 is a structural diagram of a network device applied in the embodiment of the present invention, which can implement details of the method embodiment 200 and achieve the same effects. As shown in fig. 6, the network device 600 includes: a processor 601, a transceiver 602, a memory 603, and a bus interface, wherein:
in this embodiment of the present invention, the network device 600 further includes: instructions or programs stored on the memory 603 and executable on the processor 601, which when executed by the processor 601, implement the steps of the method embodiment 200.
In fig. 6, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 601 and various circuits of memory represented by memory 603 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 602 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium.
The processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 may store data used by the processor 601 in performing operations.
An embodiment of the present invention further provides a readable storage medium, where instructions or a program are stored on the readable storage medium, and when the instructions or the program are executed by a processor, the instructions or the program implement each process of any one of the method embodiments 100 and 200, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again. The readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (41)
1. A method for indicating a time slot offset of an aperiodic Sounding Reference Signal (SRS), the method being performed by a terminal device, the method comprising:
receiving Downlink Control Information (DCI), wherein the DCI is used for indicating a first time slot offset of an aperiodic SRS resource set.
2. The method of claim 1, wherein the DCI is further configured to schedule uplink data and activate the set of aperiodic SRS resources.
3. The method of claim 1, wherein the DCI is further configured to activate the aperiodic SRS resource set and aperiodic channel state information, CSI, report.
4. The method of claim 3, wherein the DCI comprises an uplink shared channel (UL-SCH) field and a CSI request field; the UL-SCH domain is set to be 0, and the reporting configuration of the CSI report related to the CSI request domain is set to be none.
5. The method of claim 4, wherein the DCI comprises a first indication field indicating the first slot offset;
wherein the first indication field comprises at least one of: a time domain resource allocation TDRA domain, a transmission power control TPC command domain of a physical downlink shared channel PDSCH for scheduling, an SRS resource indication domain, a modulation coding scheme domain and a hybrid automatic repeat request HARQ process number domain.
6. The method of claim 5, further comprising:
ignoring other fields in the DCI, the other fields being: a field other than the UL-SCH field, the CSI request field, an SRS request field, and the first indication field.
7. The method of claim 1, wherein the DCI is further configured to activate or deactivate semi-persistent CSI reporting and to activate the set of aperiodic SRS resources.
8. The method of claim 7,
in a case where the DCI is used to activate the semi-persistent CSI report, the DCI includes a second indication field for indicating the first slot offset; wherein the second indication field comprises at least one of: a TDRA domain, a TPC command domain, an SRS resource indication domain and a modulation coding scheme domain; and/or the presence of a gas in the gas,
a third indication field included in the DCI for indicating the first slot offset, where the DCI is to deactivate the semi-persistent CSI report; the third indication field comprises at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
9. The method of claim 1, wherein the DCI is further configured to activate or deactivate a type 2 uplink grant and to activate the set of aperiodic SRS resources.
10. The method of claim 9,
in a case that the DCI is used for activating the type 2 uplink grant, a TDRA field included in the DCI is used for indicating the first slot offset; and/or
On a condition that the DCI is used for deactivating the type 2 uplink grant, a third indication field included in the DCI is used for indicating the first slot offset;
wherein the third indication field comprises at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
11. The method of claim 1, wherein the DCI is further configured to activate the set of aperiodic SRS resources.
12. The method of claim 11, wherein the DCI comprises a new indication field, and wherein the new indication field is used to indicate whether the DCI is used to activate the set of aperiodic SRS resources.
13. The method of claim 11, wherein the DCI comprises a fourth indication field indicating the first slot offset;
wherein the fourth indication field is at least one of: a TDRA domain, a frequency domain resource allocation FDRA domain, a TPC command domain for a scheduled PDSCH, an SRS resource indication domain and a modulation coding scheme domain.
14. The method of claim 1, wherein the DCI is further configured to schedule downlink data and activate the set of aperiodic SRS resources.
15. The method of claim 2, 3 or 14, wherein the DCI comprises a TDRA field indicating the first slot offset.
16. The method of claim 1, wherein the DCI is further configured to activate or deactivate downlink DL semi-persistent scheduling (SPS) and to activate the set of aperiodic SRS resources.
17. The method of claim 16,
in a case where the DCI is for activating the DL SPS, the DCI includes a TDRA for indicating the first slot offset; and/or
A fifth indication field included in the DCI to indicate the first slot offset, where the DCI is to deactivate the DL SPS report;
wherein the fifth indication field is at least one of: a TDRA field, a TPC command field for a scheduled PDSCH, and an SRS resource indication field.
18. The method of claim 1, wherein the set of aperiodic SRS resources are configured with a second slot offset, the method further comprising:
preferentially transmitting the SRS in the aperiodic SRS resource set using the second slot offset.
19. The method of claim 1, wherein the set of aperiodic SRS resources are configured with a second slot offset, the method further comprising:
preferentially transmitting SRSs within the set of aperiodic SRS resources using the first slot offset.
20. The method of claim 1, wherein the set of aperiodic SRS resources are configured with a second slot offset, the method further comprising:
and sending the SRS in the aperiodic SRS resource set according to the first time slot offset and the second time slot offset.
21. The method of claim 1, wherein if the DCI activates multiple sets of the aperiodic SRS resources simultaneously
Not using the first slot offset indicated by the DCI; or
The DCI indicates a plurality of the first slot offsets for a plurality of the aperiodic SRS resource sets.
22. The method of claim 1, wherein if the DCI activates multiple sets of the aperiodic SRS resources simultaneously, the multiple sets of the aperiodic SRS resources including a first set of aperiodic SRS resources and a second set of aperiodic SRS resources, the DCI indicating that the first slot offset of the first set of aperiodic SRS resources is A, then
The first slot offset of the second aperiodic SRS resource set is X, which is determined by at least one of the following parameters: a is described; a second slot offset configured for the first aperiodic SRS resource set; a second slot offset of the second aperiodic SRS resource set configuration.
23. The method of claim 22, wherein X is determined by the following equation: x is a + C-B, where C is a second slot offset configured for the second aperiodic SRS resource set and B is a second slot offset configured for the first aperiodic SRS resource set.
24. The method of claim 1, wherein if the DCI activates a plurality of the aperiodic SRS resource sets simultaneously, the plurality of the aperiodic SRS resource sets comprising a first SRS resource set and a second aperiodic SRS resource set, the DCI indicating the first slot offset for the first aperiodic SRS resource set, the method further comprising:
and transmitting the SRS in the second SRS resource set on an effective time slot after the first aperiodic SRS resource set.
25. The method of claim 24, wherein transmitting the SRS in the second set of aperiodic SRS resources in an active slot after the first set of aperiodic SRS resources if there are multiple second sets of aperiodic SRS resources comprises:
and sequentially transmitting the SRSs in the second aperiodic SRS resource set on an effective time slot after the first aperiodic SRS resource set according to a target sequence.
26. The method of claim 25,
the target order is determined according to the number of the plurality of the second aperiodic SRS resource sets; or
The target order is determined according to the sizes of second slot offsets configured for the plurality of second aperiodic SRS resource sets respectively.
27. The method of claim 24, wherein the first set of aperiodic SRS resources is a set of aperiodic SRS resources in which a plurality of the aperiodic SRS resource sets activated by the DCI at the same time satisfy one of the following conditions:
the number is the largest;
the number is the smallest;
the DCI is associated;
the configured second time slot offset is maximum;
the configured second slot offset is minimal.
28. The method of claim 24 or 25, wherein the active slot is an uplink slot capable of transmitting all SRS resources in the second set of aperiodic SRS resources.
29. The method of claim 1, further comprising:
and sending the SRS in the aperiodic SRS resource set on the time slot indicated by the first time slot offset or on the first effective time slot after the time slot indicated by the first time slot offset.
30. The method of claim 1, further comprising:
and sending the SRS in the aperiodic SRS resource set on the time slot indicated by the first time slot offset or on the first effective time slot after the time slot indicated by the first time slot offset under the condition that the DCI is downlink DCI.
31. The method of claim 1, further comprising at least one of:
if the aperiodic SRS resource set is not configured with a second time slot offset, sending the SRS in the aperiodic SRS resource set through the first time slot offset;
if the aperiodic SRS resource set is configured with the second slot offset, sending the SRS in the aperiodic SRS resource set by the second slot offset, wherein the first slot offset does not take effect.
32. The method of claim 1, further comprising:
receiving indication information, where the indication information is used to indicate whether the first slot offset of the aperiodic SRS resource set is indicated by the DCI, and the aperiodic SRS resource set and a target Identity (ID) correspond to each other;
wherein the target ID comprises at least one of: an SRS resource ID; SRS resource set ID; a DCI format; a bandwidth part BWPID; a user ID; a carrier control unit ID; use is provided.
33. A method for slot offset indication of aperiodic SRS, the method being performed by a network device, the method comprising:
transmitting DCI indicating a first slot offset of a set of aperiodic SRS resources.
34. The method of claim 33, wherein the DCI is further configured to one of:
scheduling uplink data and activating the aperiodic SRS resource set;
activating the aperiodic SRS resource set and aperiodic CSI report;
activating or deactivating a semi-persistent CSI report transmitted on a PUSCH and for activating the set of aperiodic SRS resources;
activating or deactivating type 2 uplink grants and activating the aperiodic SRS resource set;
activating the aperiodic SRS resource set;
scheduling downlink data and activating the aperiodic SRS resource set;
activating or deactivating DL SPS and activating the aperiodic SRS resource set.
35. A terminal device, comprising:
a receiving module configured to receive DCI indicating a first slot offset of an aperiodic SRS resource set.
36. The terminal device of claim 35, wherein the DCI is further configured to one of:
scheduling uplink data and activating the aperiodic SRS resource set;
activating the aperiodic SRS resource set and aperiodic CSI report;
activating or deactivating a semi-persistent CSI report transmitted on a PUSCH and for activating the set of aperiodic SRS resources;
activating or deactivating type 2 uplink grants and activating the aperiodic SRS resource set;
activating the aperiodic SRS resource set;
scheduling downlink data and activating the aperiodic SRS resource set;
activating or deactivating DL SPS and activating the aperiodic SRS resource set.
37. A network device, comprising:
a transmitting module configured to transmit DCI indicating a first slot offset of an aperiodic SRS resource set.
38. The network device of claim 37, wherein the DCI is further configured to one of:
scheduling uplink data and activating the aperiodic SRS resource set;
activating the aperiodic SRS resource set and aperiodic CSI report;
activating or deactivating a semi-persistent CSI report transmitted on a PUSCH and for activating the set of aperiodic SRS resources;
activating or deactivating type 2 uplink grants and activating the aperiodic SRS resource set;
activating the aperiodic SRS resource set;
scheduling downlink data and activating the aperiodic SRS resource set;
activating or deactivating DL SPS and activating the aperiodic SRS resource set.
39. A terminal device, comprising: memory, processor and instructions or programs stored on the memory and executable on the processor, which when executed by the processor implement the slot offset indication method for an aperiodic SRS as claimed in any one of claims 1 to 32.
40. A network device, comprising: memory, processor and instructions or programs stored on the memory and executable on the processor, which when executed by the processor implement the slot offset indication method for an aperiodic SRS as claimed in any one of claims 33 to 34.
41. A readable storage medium, having stored thereon instructions or a program which, when executed by a processor, implements a slot offset indication method for an aperiodic SRS as claimed in any one of claims 1 to 34.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324187.6A CN113541901A (en) | 2020-04-22 | 2020-04-22 | Method and device for indicating time slot offset of aperiodic SRS (sounding reference Signal) |
| PCT/CN2021/088123 WO2021213324A1 (en) | 2020-04-22 | 2021-04-19 | Method for indicating time slot offset of aperiodic srs, and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324187.6A CN113541901A (en) | 2020-04-22 | 2020-04-22 | Method and device for indicating time slot offset of aperiodic SRS (sounding reference Signal) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113541901A true CN113541901A (en) | 2021-10-22 |
Family
ID=78094148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010324187.6A Pending CN113541901A (en) | 2020-04-22 | 2020-04-22 | Method and device for indicating time slot offset of aperiodic SRS (sounding reference Signal) |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113541901A (en) |
| WO (1) | WO2021213324A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114978423A (en) * | 2022-05-10 | 2022-08-30 | 中国信息通信研究院 | Method and equipment for detecting downlink control signaling |
| WO2023011255A1 (en) * | 2021-08-06 | 2023-02-09 | 华为技术有限公司 | Rs transmission method and communication apparatus |
| WO2023077871A1 (en) * | 2021-11-05 | 2023-05-11 | 中兴通讯股份有限公司 | Indication method, reference signal sending method, communication node, and storage medium |
| WO2024031330A1 (en) * | 2022-08-09 | 2024-02-15 | Apple Inc. | Systems and methods for uplink processing time determinations for single downlink control information scheduling multiple cells |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103314631A (en) * | 2011-01-07 | 2013-09-18 | 富士通株式会社 | Method for sending sounding reference symbol, e-nodeb and user equipment |
| CN110536448A (en) * | 2019-08-15 | 2019-12-03 | 中兴通讯股份有限公司 | A kind of information determines method, apparatus and storage medium |
| CN110650001A (en) * | 2019-10-15 | 2020-01-03 | 中兴通讯股份有限公司 | Transmission method, transmission device, first communication node, second communication node and medium |
| CN110880960A (en) * | 2018-09-05 | 2020-03-13 | 维沃移动通信有限公司 | Sounding reference signal transmission method, terminal equipment and network equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112134670B (en) * | 2015-01-28 | 2023-08-25 | 交互数字专利控股公司 | Wireless transmit/receive unit (WTRU) and method |
| CN113922938B (en) * | 2017-11-17 | 2024-02-02 | 中兴通讯股份有限公司 | Reference signal channel characteristic configuration method and device and communication equipment |
| US10952231B2 (en) * | 2018-05-10 | 2021-03-16 | Asustek Computer Inc. | Method and apparatus for beam indication for uplink transmission in a wireless communication system |
| WO2020056180A1 (en) * | 2018-09-12 | 2020-03-19 | Intel Corporation | Device and method for sounding reference signal triggering and configuration in a new radio network |
-
2020
- 2020-04-22 CN CN202010324187.6A patent/CN113541901A/en active Pending
-
2021
- 2021-04-19 WO PCT/CN2021/088123 patent/WO2021213324A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103314631A (en) * | 2011-01-07 | 2013-09-18 | 富士通株式会社 | Method for sending sounding reference symbol, e-nodeb and user equipment |
| CN110880960A (en) * | 2018-09-05 | 2020-03-13 | 维沃移动通信有限公司 | Sounding reference signal transmission method, terminal equipment and network equipment |
| CN110536448A (en) * | 2019-08-15 | 2019-12-03 | 中兴通讯股份有限公司 | A kind of information determines method, apparatus and storage medium |
| CN110650001A (en) * | 2019-10-15 | 2020-01-03 | 中兴通讯股份有限公司 | Transmission method, transmission device, first communication node, second communication node and medium |
Non-Patent Citations (2)
| Title |
|---|
| 3GPP: ""R1-1800935"", 《3GPP TSG-RAN WG1 AD HOC MEETING R1-1800935》, 12 January 2018 (2018-01-12) * |
| SAMSUNG: ""R1-1906913 Cross-carrier Scheduling with Differfent Numerologies"", 《3GPP TSG RAN WG1 #97 R1-1906913》, 2 May 2019 (2019-05-02), pages 2 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023011255A1 (en) * | 2021-08-06 | 2023-02-09 | 华为技术有限公司 | Rs transmission method and communication apparatus |
| WO2023077871A1 (en) * | 2021-11-05 | 2023-05-11 | 中兴通讯股份有限公司 | Indication method, reference signal sending method, communication node, and storage medium |
| CN114978423A (en) * | 2022-05-10 | 2022-08-30 | 中国信息通信研究院 | Method and equipment for detecting downlink control signaling |
| WO2024031330A1 (en) * | 2022-08-09 | 2024-02-15 | Apple Inc. | Systems and methods for uplink processing time determinations for single downlink control information scheduling multiple cells |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021213324A1 (en) | 2021-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11509425B2 (en) | Method for determining HARQ-ACK feedback time, method for indicating HARQ-ACK feedback time, terminal device and network device | |
| CN110034885B (en) | Method and equipment for sending uplink control information | |
| TWI720119B (en) | Method for data transmission and terminal | |
| CN110035511B (en) | PUCCH resource determination method, terminal equipment and network equipment | |
| CN113541901A (en) | Method and device for indicating time slot offset of aperiodic SRS (sounding reference Signal) | |
| CN109121211B (en) | Indication method, base station and eMBB UE | |
| CN112491514B (en) | Method and communication device for transmitting side link feedback information | |
| CN110139383B (en) | Data transmission method and device | |
| CN113225810A (en) | Uplink transmission method, mobile terminal and network equipment | |
| CN112788748B (en) | Uplink control information transmission method and terminal equipment | |
| CN111262675B (en) | Method for determining DCI format, terminal equipment and network equipment | |
| WO2020048332A1 (en) | Sounding reference signal transmission method, terminal device, and network device | |
| CN111630925A (en) | Wireless communication method and apparatus | |
| WO2021088795A1 (en) | Method and device for transmitting harq-ack feedback information | |
| CN113163488B (en) | Triggering method and device for aperiodic SRS resource set | |
| CN110830217B (en) | Method for determining CSI report processing duration, terminal equipment and network equipment | |
| CN113382480A (en) | FFP (frequency hopping) switching method and device for unlicensed frequency band | |
| CN112788753A (en) | Transmission method and device of GC-PDCCH | |
| CN113541899B (en) | SRS frequency domain parameter updating method and equipment | |
| CN111107655B (en) | SR and configuration information transmission method and device | |
| CN111600689A (en) | SRS transmission method and device | |
| CN113141662A (en) | Method for determining physical side link feedback information and communication equipment | |
| CN112770324A (en) | Method for sharing channel occupation time, terminal equipment and network equipment | |
| CN112770396B (en) | Information processing method and equipment | |
| CN111800230B (en) | Method and terminal equipment for feeding back hybrid automatic repeat request acknowledgement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211022 |
|
| RJ01 | Rejection of invention patent application after publication |