CN113950096A - Method and device for triggering aperiodic CSI triggering state - Google Patents

Method and device for triggering aperiodic CSI triggering state Download PDF

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CN113950096A
CN113950096A CN202010696502.8A CN202010696502A CN113950096A CN 113950096 A CN113950096 A CN 113950096A CN 202010696502 A CN202010696502 A CN 202010696502A CN 113950096 A CN113950096 A CN 113950096A
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aperiodic csi
csi trigger
trigger state
field
state
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王化磊
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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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  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the application discloses a method and a device for triggering an aperiodic CSI triggering state, wherein the method comprises the following steps: the network equipment generates and sends DCI, wherein the DCI is used for triggering a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition. According to the method and the device, the aperiodic CSI trigger state used for beam measurement reporting or the aperiodic CSI trigger state used for CSI acquisition is triggered through the DCI respectively, and therefore decoupling of an aperiodic beam measurement reporting function and a CSI acquisition function is achieved.

Description

Method and device for triggering aperiodic CSI triggering state
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for triggering an aperiodic CSI trigger state.
Background
In the NR 15/16 standard, beam management and Channel State Information (CSI) acquisition share the same configuration framework. The network device configures the CSI-MeasConfig through Radio Resource Control (RRC) to further trigger configuration of all L1/L2 beam measurements and configuration related to CSI acquisition measurements. For the aperiodic CSI report, the network device configures CSI-aperiodicTriggerState at an RRC layer, each CSI-aperiodicTriggerState configures a plurality of CSI-associatedReportConfigInfo, and each CSI-associates ReportConfigInfo configures CSI-ReportConfig and measurement resources associated with the CSI-aperiodicTriggerState. And for each CSI-AperiodicTriggerState, when configuring its associated CSI-AssociatedReportConfigInfo, the network device may trigger whether the CSI-AssociatedReportConfigInfo is used for configuration of beam measurement reporting or CSI acquisition measurement related configuration. That is, when the network device configures the CSI aperiodic trigger state, the CSI for reporting the beam measurement and the CSI for acquiring the CSI are configured on the whole.
However, the existing approach of adopting the same framework for beam measurement reporting and CSI acquisition may result in inefficiencies in beam management and/or CSI acquisition. Therefore, it is an urgent problem to achieve decoupling of the two functions of beam measurement reporting and CSI acquisition.
Disclosure of Invention
The embodiment of the application provides a method and a device for triggering an aperiodic CSI triggering state, which are used for realizing the decoupling of an aperiodic beam measurement reporting function and a CSI acquisition function.
In a first aspect, an embodiment of the present application provides a method for triggering an aperiodic CSI triggering state, where the method includes:
generating Downlink Control Information (DCI), wherein the DCI is used for triggering a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition;
and transmitting the DCI.
In a second aspect, an embodiment of the present application provides a method for triggering an aperiodic CSI triggering state, where the method includes:
receiving DCI, wherein the DCI is used for triggering a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition.
In a third aspect, an embodiment of the present application provides an apparatus for triggering an aperiodic CSI triggering state, where the apparatus includes:
a generating unit, configured to generate DCI, where the DCI is used to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, where the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition;
a transmitting unit configured to transmit the DCI.
In a fourth aspect, an embodiment of the present application provides an apparatus for triggering an aperiodic CSI triggering state, where the apparatus includes:
the receiving unit is configured to receive DCI, where the DCI is used to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition.
In a fifth aspect, embodiments of the present application provide a network device comprising a processor, a memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs including instructions for performing some or all of the steps described in the method of the first aspect.
In a sixth aspect, embodiments of the present application provide a terminal device, which includes a processor, a memory, a communication interface, and one or more programs, stored in the memory and configured to be executed by the processor, the programs including instructions for performing some or all of the steps described in the method of the second aspect.
In a seventh aspect, an embodiment of the present application provides a computer-readable storage medium storing a computer program for electronic data exchange, where the computer program makes a computer perform some or all of the steps described in the method of the first aspect or the second aspect.
In an eighth aspect, embodiments of the present application provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, where the computer program is operable to cause a computer to perform some or all of the steps described in the method according to the first or second aspect of the embodiments of the present application. The computer program product may be a software installation package.
In this embodiment, a network device generates and sends DCI, where the DCI is used to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, where the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition. According to the method and the device, the aperiodic CSI trigger state used for beam measurement reporting or the aperiodic CSI trigger state used for CSI acquisition is triggered through the DCI respectively, and therefore decoupling of an aperiodic beam measurement reporting function and a CSI acquisition function is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic architecture diagram of a wireless communication system according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a method for triggering an aperiodic CSI triggering state according to an embodiment of the present application;
fig. 3 is a block diagram illustrating functional units of an apparatus for triggering an aperiodic CSI triggering state according to an embodiment of the present application;
fig. 4 is a block diagram of functional units of another apparatus for triggering an aperiodic CSI triggering state according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a computer device according to an embodiment of the present application.
Detailed Description
The technical solution in the present application will be described below with reference to the accompanying drawings.
It should be understood that the technical solutions provided in the embodiments of the present application may be applied to various communication systems, for example: a 5G communication system (e.g., New Radio, NR)), where the 5G mobile communication system includes a non-standalone (NSA) 5G mobile communication system and/or a Standalone (SA) 5G mobile communication system. The technical solution provided in the present application may also be applied to a communication system with a convergence of multiple communication technologies (for example, a communication system with a convergence of an LTE technology and an NR technology), or may be applied to various future new communication systems, for example, a 6G communication system, a 7G communication system, and the like, which is not limited in this embodiment of the present application. The technical solution of the embodiment of the present application is also applicable to different network architectures, including but not limited to a relay network architecture, a dual link architecture, a Vehicle-to-any-object communication (Vehicle-to-event) architecture, and the like.
The network device according to the embodiment of the present application may be a Base Station (BS), which may also be referred to as a Base Station device, and is a device deployed in a radio access network to provide a wireless communication function. For example, the device providing the Base Station function in the 2G Network includes a Base Transceiver Station (BTS) and a Base Station Controller (BSC), the device providing the Base Station function in the 3G Network includes a node B (NodeB) and a Radio Network Controller (RNC), the device providing the Base Station function in the 4G Network includes an evolved node B (eNB), the device providing the Base Station function in the Wireless Local Area Network (WLAN) is an Access Point (Access Point, AP), the device providing the Base Station function in the 5G New Radio (New Radio, NR) includes a node B (gnb) that continues to evolve, and the device providing the Base Station function in a future New communication system, and the like.
The embodiment of the application relates to a terminal device including a wireless communication function, where the terminal device may be a mobile phone (mobile phone), a tablet computer (pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), a wireless terminal in remote medical (remote medical), a wireless terminal in smart grid (smart grid), a wireless terminal in smart home (smart home), and the like. The terminal device may also be a handheld device with wireless communication function, a vehicle-mounted device, a wearable device, a computer device or other processing device connected to a wireless modem, a terminal device in a future 5G Network, or a terminal device in a Public Land Mobile Network (PLMN) for future evolution, and the like. The terminal devices in different networks may be called different names, for example: a user equipment, an access terminal, a subscriber unit, a subscriber Station, a Mobile Station (MS), a remote Station, a remote terminal, a Mobile device, a user terminal, a Wireless communication device, a user agent or a user equipment, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) Station, a Personal Digital Assistant (PDA), a terminal device in a 5G network or a future evolution network, etc., which are not limited in this embodiment.
Referring to fig. 1, fig. 1 is a schematic diagram of a wireless communication system according to an embodiment of the present disclosure. As shown in fig. 1, the wireless communication system may include a network device and a terminal device. The network device may communicate with the terminal device through wireless communication. The form and number of the network devices and the terminal devices shown in fig. 1 are only for example and do not constitute a limitation to the embodiments of the present application.
In the NR 15/16 standard, beam management and Channel State Information (CSI) acquisition share the same configuration framework. When configuring the CSI aperiodic trigger state, the network device may generally configure CSI for beam measurement reporting and CSI for CSI acquisition. Such an overall configuration may result in inefficiencies in beam management and/or CSI acquisition. Therefore, in the future standard protocol, decoupling of two functions of supporting beam measurement reporting and CSI acquisition is considered. For aperiodic CSI, how to achieve the decoupling of the two methods has not been a specific scheme at present.
In order to solve the above problem, the present application provides a method for triggering an aperiodic CSI trigger state, where a network device generates and sends DCI, where the DCI is used to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition. According to the method and the device, the aperiodic CSI trigger state used for beam measurement reporting or the aperiodic CSI trigger state used for CSI acquisition is triggered through the DCI respectively, and therefore decoupling of an aperiodic beam measurement reporting function and a CSI acquisition function is achieved.
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part 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.
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for triggering an aperiodic CSI triggering state according to an embodiment of the present application, which is applied to the wireless communication system shown in fig. 1. As shown in fig. 2, the method comprises the steps of:
s210, the network equipment generates DCI, wherein the DCI is used for triggering a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition.
The radio channel is changed from moment to moment, and the network device may trigger the aperiodic CSI trigger state through Downlink Control Information (DCI), so that the terminal device reports the beam measurement result and/or obtains CSI Information by measuring the received Downlink reference signal.
In one possible embodiment, the DCI includes a first field for triggering the first aperiodic CSI trigger state and a second field for triggering the second aperiodic CSI trigger state.
Specifically, the DCI is divided into different formats according to the type of trigger information, and the fields included in the different formats may be different. When the Format of the DCI is Format0_1 or Format1_1, the first field may be a CSI request field, and the DCI may be used to trigger an aperiodic CSI trigger state for beam measurement reporting. The second field may be an existing field, for example, a CBG transmission information, a PTRS-DMRS Association, a Time domain resource assignment, or a newly added field, and when the existing field or the newly added field is included in the DCI, the DCI may be used to trigger an aperiodic CSI trigger state for CSI acquisition. When the DCI includes the CSI request field and the existing field or the newly added field, the DCI may trigger the aperiodic CSI trigger state for reporting the beam measurement and trigger the aperiodic CSI trigger state for CSI acquisition at the same time.
In some examples, the second field may be a CSI request field, which, when included in DCI, may be used to trigger an aperiodic CSI trigger state for CSI acquisition. The first field may be an existing field, for example, CBG transmission information, PTRS-DMRS Association, Time domain resource assignment, or a newly added field, and when the existing field or the newly added field is included in the DCI, the DCI may be used to trigger an aperiodic CSI trigger state for beam measurement reporting.
In another possible embodiment, the DCI includes a third field, a first valid bit of the third field is used to trigger the first aperiodic CSI trigger state, and a second valid bit of the third field is used to trigger the second aperiodic CSI trigger state.
The first Significant Bit may be a Most Significant Bit (MSB) of the third field, and the second Significant Bit may be a Least Significant Bit (LSB) of the third field. The MSB of the third field may trigger an aperiodic CSI trigger state for beam measurement reporting correlation, and the LSB of the third field may trigger an aperiodic CSI trigger state for CSI acquisition. In some examples, the first significant bit may be an LSB of a third field, the second significant bit may be an MSB of the third field, the LSB of the third field may trigger an aperiodic CSI trigger state for beam measurement reporting, and the MSB of the third field may trigger an aperiodic CSI trigger state for CSI acquisition.
In some embodiments, a first valid bit of the third field is used to trigger the second aperiodic CSI trigger state, and a second valid bit of the third field is used to trigger the first aperiodic CSI trigger state. Specifically, the first significant bit may be an MSB of the third field, and the second significant bit may be an LSB of the third field. The MSB of the third field may trigger an aperiodic CSI trigger state for CSI acquisition, and the LSB of the third field may trigger an aperiodic CSI trigger state for beam measurement reporting. In some examples, the first significant bit may be an LSB of a third field, the second significant bit may be an MSB of the third field, the LSB of the third field may trigger an aperiodic CSI trigger state for CSI acquisition, and the MSB of the third field may trigger an aperiodic CSI trigger state for beam measurement reporting.
Further, the first significant bit may include at least one bit in the third field, and the second significant bit may include at least one bit in the third field. For example, assuming that the third field includes 6 bits, the upper 3 bits are the first significant bit and are used to trigger the aperiodic CSI trigger state related to beam measurement reporting; the lower 3 bits are the second significant bit for triggering an aperiodic CSI trigger state for CSI acquisition.
Specifically, when the first valid bit indicates valid, for example, the third field includes 6 bits, and the high 3 bits include at least one 1 or at least one 0, the DCI may be used to trigger an aperiodic CSI trigger state for beam measurement reporting; when the second valid bit indicates valid, the third field contains 6 bits, and when the low 3 bits are at least one 1 or at least one 0, the DCI may be used to trigger an aperiodic CSI trigger state for CSI acquisition; when the first valid bit and the second valid bit are both valid, the DCI may trigger an aperiodic CSI trigger state for beam measurement reporting and an aperiodic CSI trigger state for CSI acquisition.
The third field may be a CSI request field, or the third field may also be an existing field, for example, CBG transmission information, PTRS-DMRS Association, Time domain resource assignment, or a newly added field, which is not limited in this embodiment of the present invention.
Optionally, the first aperiodic CSI triggering state and the second aperiodic CSI triggering state are configured by an RRC layer.
In practical application, the network device configures the CSI-MeasConfig through the RRC layer to further configure all configurations related to L1/L2 beam measurement and CSI acquisition measurement. Therefore, in this embodiment of the present application, the network device may also configure the first aperiodic CSI triggering state and the second aperiodic CSI triggering state in the DCI through the RRC layer.
S220, the network equipment sends the DCI.
After the network device generates the DCI, the DCI may be sent to the terminal device, so that the terminal device triggers an aperiodic CSI trigger state for beam measurement reporting and/or an aperiodic CSI trigger state for CSI acquisition.
And S230, the terminal equipment receives the DCI.
In this embodiment, the terminal device receives DCI from the network device, and determines that the DCI is used to trigger an aperiodic CSI trigger state related to beam measurement reporting, or is used to trigger an aperiodic CSI trigger state used for CSI acquisition, or both triggers an aperiodic CSI trigger state related to beam measurement reporting and an aperiodic CSI trigger state used for CSI acquisition by analyzing the DCI.
In another possible embodiment, the method further comprises: the network device generates and transmits the MAC CE. Correspondingly, the terminal equipment receives the MAC CE, and selects the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by the RRC layer or selects the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by the RRC layer according to the MAC CE.
Optionally, the MAC CE includes a fourth field and a fifth field;
the selecting, according to the MAC CE, the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer or the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by the RRC layer includes: when the value of the fourth field is a first set value, selecting the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer according to the fifth field; and when the value of the fourth field is a second set value, selecting the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by an RRC layer according to the fifth field.
When the DCI is not explicitly triggered to be the first aperiodic CSI trigger state or the second aperiodic CSI trigger state, the terminal device may receive a Multimedia Access Control (MAC) Control Element (Control Element, CE) sent from the network device, and determine which aperiodic CSI trigger states the DCI triggers according to a fourth field and a fifth field in the MAC CE.
As shown in table 1, table 1 is a MAC CE structure provided in the embodiment of the present application, and the size of the MAC CE is variable.
TABLE 1
Figure BDA0002590601060000071
Wherein the serving cellThe identification (Serving cell ID) field is an identification for identifying a Serving cell to which the MAC CE is applied, and the Serving cell identification field occupies 5 bits. The partial bandwidth identification (BWP ID) field indicates a DL BWP to which the MAC CE is applied as a code point of the BWP indication field in the DCI, and the BWP ID field occupies 2 bits. T isiThe field triggers the selection state of the aperiodic trigger state configured in the aperiodic trigger state list or aperiodic trigger state list dci-Format 0-2. T is0Indicating the first trigger state in the list, T1Indicating a second trigger state and so on. If the list does not contain an entry with index i, the MAC ignores TiA field. T isiSetting the field to 1 triggers that the aperiodic trigger state i should be mapped to the code point of the corresponding field of the DCI. The code point to which the aperiodic trigger state is mapped is determined by its probability at TiSequential position determination in all aperiodic trigger states with field set to 1, i.e. TiThe first aperiodic trigger state with field set to 1 should be mapped to a codepoint value of 1, TiThe second aperiodic trigger state with field set to 1 should map to a codepoint value of 2, and so on. The maximum number of mapped aperiodic trigger states is 63. Triggering an aperiodic CSI triggering state list quoted by the MAC CE by using a D field; if the D field is set to 0, TiA field indicates an aperiodic trigger state configured in an aperiodic trigger state list; if D field is set to 1, TiThe field indicates aperiodic trigger state configured in aperiodic trigger state list dci-Format 0-2. The R field is a reserved field. The C field indicates whether the MAC CE is used for an aperiodic CSI trigger state related to beam measurement reporting or an aperiodic CSI trigger state used for CSI acquisition, and the C field occupies 1 bit.
In the embodiment of the present application, the fourth field may be a C field, and the fifth field may be a T fieldiA field. When the value of the C field is a first set value, the terminal device can be according to TiThe value of the field selects the (i + 1) th first aperiodic CSI trigger state from the aperiodic CSI trigger states configured by the RRC layer, for example, assuming that the value of the C field is a first set value, T0、T3、T4And T32If the values of (1) indicate that the MAC CE selects a first aperiodic CSI trigger state, a 4 th first aperiodic CSI trigger state, a 5 th first aperiodic CSI trigger state, and a 33 th first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by the RRC layer. When the value of the C field is a second setting value, the terminal device may be according to TiThe value of the field selects the (i + 1) th second aperiodic CSI trigger state from the aperiodic CSI trigger states configured by the RRC layer, for example, assuming that the value of the C field is a second set value, T2、T7、T9And T63If the values of (1) indicate that the MAC CE selects the 3 rd second aperiodic CSI trigger state, the 8 th second aperiodic CSI trigger state, the 10 th second aperiodic CSI trigger state, and the 64 th second aperiodic CSI trigger state from the plurality of second aperiodic CSI trigger states configured by the RRC layer.
Further, the first set value is 1, and the second set value is 0. In some examples, the first set point is 0 and the second set point is 1.
It should be noted that the fourth field may also be another existing field or an additional field in the MAC CE, which is not limited in this embodiment of the present application.
It can be seen that, the present application provides a method for triggering aperiodic CSI trigger state, where a network device generates and sends DCI, and a terminal device receives the DCI, where the DCI is used to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition. According to the method and the device, the aperiodic CSI trigger state for beam measurement reporting or the aperiodic CSI trigger state for CSI acquisition is triggered through the DCI, so that the decoupling of the aperiodic beam measurement reporting function and the CSI acquisition function is realized.
The above description has introduced the solution of the embodiment of the present application mainly from the perspective of the method-side implementation process. It is understood that the electronic device comprises corresponding hardware structures and/or software modules for performing the respective functions in order to realize the above-mentioned functions. Those of skill in the art will readily appreciate that the present application is capable of hardware or a combination of hardware and computer software implementing the various illustrative elements and algorithm steps described in connection with the embodiments provided herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
Referring to fig. 3, fig. 3 is a block diagram of functional units of an apparatus 300 for triggering an aperiodic CSI triggering state according to an embodiment of the present application, where the apparatus 300 for triggering an aperiodic CSI triggering state is applied to a network device, and the apparatus 300 includes: a generating unit 310 and a transmitting unit 320, wherein,
a generating unit 310, configured to generate DCI, where the DCI is used to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, where the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition;
a transmitting unit 320, configured to transmit the DCI.
In one possible embodiment of the present application, the DCI includes a first field and a second field, the first field is used for triggering the first aperiodic CSI triggering state, and the second field is used for triggering the second aperiodic CSI triggering state.
In one possible embodiment of the present application, the DCI includes a third field, a first valid bit of the third field is used to trigger the first aperiodic CSI triggering state, and a second valid bit of the third field is used to trigger the second aperiodic CSI triggering state.
In a possible embodiment of the present application, the generating unit 310 is further configured to: generating a MAC CE for selecting the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer or selecting the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by the RRC layer;
the sending unit 320 is further configured to: and transmitting the MAC CE.
In one possible embodiment of the present application, the MAC CE includes a fourth field and a fifth field;
when the value of the fourth field is a first set value, the MAC CE is configured to select a first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer according to the fifth field; and when the value of the fourth field is a second set value, the MAC CE is configured to select a second aperiodic CSI triggering state from a plurality of second aperiodic CSI triggering states configured by the RRC layer according to the fifth field.
In one possible embodiment of the present application, the first aperiodic CSI triggering state and the second aperiodic CSI triggering state are configured by an RRC layer.
It can be understood that the functions of each program module of the apparatus for triggering an aperiodic CSI trigger state according to the embodiment of the present application may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the relevant description of the foregoing method embodiment, which is not described herein again.
Referring to fig. 4, fig. 4 is a block diagram of functional units of an apparatus 400 for triggering aperiodic CSI triggering state according to an embodiment of the present application, where the apparatus 400 for triggering aperiodic CSI triggering state is applied to a terminal device, and the apparatus 400 includes: the receiving unit 410 is configured to, among other things,
the receiving unit 410 is configured to receive DCI, where the DCI is configured to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, where the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition.
In one possible embodiment of the present application, the DCI includes a first field and a second field, the first field is used for triggering the first aperiodic CSI triggering state, and the second field is used for triggering the second aperiodic CSI triggering state.
In one possible embodiment of the present application, the DCI includes a third field, a first valid bit of the third field is used to trigger the first aperiodic CSI triggering state, and a second valid bit of the third field is used to trigger the second aperiodic CSI triggering state.
In a possible embodiment of the present application, the receiving unit 410 is further configured to receive a MAC CE;
the apparatus 400 further comprises a selecting unit 420, the selecting unit 420 being configured to: according to the MAC CE, the first aperiodic CSI trigger state is selected from a plurality of first aperiodic CSI trigger states configured by an RRC layer, or the second aperiodic CSI trigger state is selected from a plurality of second aperiodic CSI trigger states configured by the RRC layer.
In one possible embodiment of the present application, the MAC CE includes a fourth field and a fifth field; the selecting unit 420 is specifically configured to: when the value of the fourth field is a first set value, selecting the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer according to the fifth field; and when the value of the fourth field is a second set value, selecting the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by an RRC layer according to the fifth field.
It should be understood that the apparatus 300 and the apparatus 400 herein are embodied in the form of functional units. The term "unit" herein may refer to an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (e.g., a shared, dedicated, or group processor) and memory that execute one or more software or firmware programs, a combinational logic circuit, and/or other suitable components that support the described functionality.
The device 300 and the device 400 of the above aspects have functions of realizing the corresponding steps executed by the terminal equipment in the above method; the functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software comprises one or more units corresponding to the functions; for example, the transmitting unit and the receiving unit may be replaced by a transceiver, and the generating unit and the determining unit may be replaced by a processor.
Referring to fig. 5, fig. 5 is a computer device according to an embodiment of the present application, where the computer device includes: one or more processors, one or more memories, one or more communication interfaces, and one or more programs; the one or more programs are stored in the memory and configured to be executed by the one or more processors.
In one possible implementation, the computer device is a network device, and the program includes instructions for performing the following steps:
generating DCI, wherein the DCI is used for triggering a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition; and transmitting the DCI.
Optionally, the DCI includes a first field and a second field, where the first field is used to trigger the first aperiodic CSI triggering state, and the second field is used to trigger the second aperiodic CSI triggering state.
Optionally, the DCI includes a third field, where a first valid bit of the third field is used to trigger the first aperiodic CSI triggering state, and a second valid bit of the third field is used to trigger the second aperiodic CSI triggering state.
Optionally, the program includes instructions for performing the following steps: generating a MAC CE for selecting the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer or selecting the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by the RRC layer; and transmitting the MAC CE.
Optionally, the MAC CE includes a fourth field and a fifth field; in an aspect in which the MAC CE is configured to select the first aperiodic CSI-triggering state from a plurality of first aperiodic CSI-triggering states configured by an RRC layer, or to select the second aperiodic CSI-triggering state from a plurality of second aperiodic CSI-triggering states configured by an RRC layer, the program includes instructions further for performing the steps of:
when the value of the fourth field is a first set value, the MAC CE is configured to select a first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer according to the fifth field; and when the value of the fourth field is a second set value, the MAC CE is configured to select a second aperiodic CSI triggering state from a plurality of second aperiodic CSI triggering states configured by the RRC layer according to the fifth field.
Optionally, the first aperiodic CSI triggering state and the second aperiodic CSI triggering state are configured by an RRC layer.
In another possible implementation manner, the computer device is a terminal device, and the program includes instructions for performing the following steps:
receiving DCI, wherein the DCI is used for triggering a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition.
Optionally, the DCI includes a first field and a second field, where the first field is used to trigger the first aperiodic CSI triggering state, and the second field is used to trigger the second aperiodic CSI triggering state.
Optionally, the DCI includes a third field, where a first valid bit of the third field is used to trigger the first aperiodic CSI triggering state, and a second valid bit of the third field is used to trigger the second aperiodic CSI triggering state.
Optionally, the program includes instructions for performing the following steps: receiving the MAC CE; according to the MAC CE, the first aperiodic CSI trigger state is selected from a plurality of first aperiodic CSI trigger states configured by an RRC layer, or the second aperiodic CSI trigger state is selected from a plurality of second aperiodic CSI trigger states configured by the RRC layer.
Optionally, the MAC CE includes a fourth field and a fifth field; in terms of the selecting, according to the MAC CE, the first aperiodic CSI triggered state from among a plurality of first aperiodic CSI triggered states configured by an RRC layer or the second aperiodic CSI triggered state from among a plurality of second aperiodic CSI triggered states configured by an RRC layer, the program includes instructions for further performing the steps of: when the value of the fourth field is a first set value, selecting the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer according to the fifth field; and when the value of the fourth field is a second set value, selecting the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by an RRC layer according to the fifth field.
The memory may include both read-only memory and random access memory, and provides instructions and data to the processor. The portion of memory may also include non-volatile random access memory. For example, the memory may also store device type information.
In the embodiment of the present application, the processor of the above apparatus may be a Central Processing Unit (CPU), and the processor may also be other general processors, Digital Signal Processors (DSP), Application Specific Integrated Circuits (ASIC), Field Programmable Gate Arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
It is to be understood that reference to "at least one" in the embodiments of the present application means one or more, and "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
And, unless stated to the contrary, the embodiments of the present application refer to the ordinal numbers "first", "second", etc., for distinguishing a plurality of objects, and do not limit the sequence, timing, priority, or importance of the plurality of objects. For example, the first information and the second information are different information only for distinguishing them from each other, and do not indicate a difference in the contents, priority, transmission order, importance, or the like of the two kinds of information.
In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The steps of a method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software elements in a processor. The software elements may be located in ram, flash, rom, prom, or eprom, registers, among other storage media that are well known in the art. The storage medium is located in a memory, and a processor executes instructions in the memory, in combination with hardware thereof, to perform the steps of the above-described method. To avoid repetition, it is not described in detail here.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the methods as described in the above method embodiments.
Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any of the methods as described in the above method embodiments. The computer program product may be a software installation package.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiments of the present application.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present application may be substantially or partially contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a memory and includes several instructions for causing a computer device (which may be a personal computer, a server, or a TRP, etc.) to execute all or part of the steps of the method of the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash disk, ROM, RAM, magnetic or optical disk, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (16)

1. A method of triggering an aperiodic CSI trigger state, the method comprising:
generating Downlink Control Information (DCI), wherein the DCI is used for triggering a first aperiodic Channel State Information (CSI) trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition;
and transmitting the DCI.
2. The method of claim 1, wherein the DCI comprises a first field and a second field, wherein the first field is used to trigger the first aperiodic CSI trigger state, and wherein the second field is used to trigger the second aperiodic CSI trigger state.
3. The method of claim 1, wherein the DCI comprises a third field, wherein a first valid bit of the third field is used for triggering the first aperiodic CSI trigger state, and wherein a second valid bit of the third field is used for triggering the second aperiodic CSI trigger state.
4. The method of claim 1, further comprising:
generating a multimedia access control unit (MAC CE) for selecting a first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer or selecting a second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by the RRC layer;
and transmitting the MAC CE.
5. The method of claim 4, wherein the MAC CE comprises a fourth field and a fifth field;
the MAC CE is configured to select the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by the RRC layer, or select the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by the RRC layer, and includes:
when the value of the fourth field is a first set value, the MAC CE is configured to select a first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer according to the fifth field; and when the value of the fourth field is a second set value, the MAC CE is configured to select a second aperiodic CSI triggering state from a plurality of second aperiodic CSI triggering states configured by the RRC layer according to the fifth field.
6. The method according to any of claims 1-5, wherein the first aperiodic CSI trigger state and the second aperiodic CSI trigger state are configured by an RRC layer.
7. A method of triggering an aperiodic CSI trigger state, the method comprising:
receiving DCI, wherein the DCI is used for triggering a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition.
8. The method of claim 7, wherein the DCI comprises a first field and a second field, wherein the first field is used to trigger the first aperiodic CSI trigger state, and wherein the second field is used to trigger the second aperiodic CSI trigger state.
9. The method of claim 7, wherein the DCI comprises a third field, wherein a first valid bit of the third field is used for triggering the first aperiodic CSI trigger state, and wherein a second valid bit of the third field is used for triggering the second aperiodic CSI trigger state.
10. The method of claim 7, further comprising:
receiving the MAC CE;
according to the MAC CE, the first aperiodic CSI trigger state is selected from a plurality of first aperiodic CSI trigger states configured by an RRC layer, or the second aperiodic CSI trigger state is selected from a plurality of second aperiodic CSI trigger states configured by the RRC layer.
11. The method of claim 10, wherein the MAC CE comprises a fourth field and a fifth field;
the selecting, according to the MAC CE, the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer or the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by the RRC layer includes:
when the value of the fourth field is a first set value, selecting the first aperiodic CSI trigger state from a plurality of first aperiodic CSI trigger states configured by an RRC layer according to the fifth field; and when the value of the fourth field is a second set value, selecting the second aperiodic CSI trigger state from a plurality of second aperiodic CSI trigger states configured by an RRC layer according to the fifth field.
12. An apparatus for triggering an aperiodic CSI triggered state, the apparatus comprising:
a generating unit, configured to generate DCI, where the DCI is used to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, where the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition;
a transmitting unit configured to transmit the DCI.
13. An apparatus for triggering an aperiodic CSI triggered state, the apparatus comprising:
the receiving unit is configured to receive DCI, where the DCI is used to trigger a first aperiodic CSI trigger state and/or a second aperiodic CSI trigger state, the first aperiodic CSI trigger state is an aperiodic CSI trigger state used for beam measurement reporting, and the second aperiodic CSI trigger state is an aperiodic CSI trigger state used for CSI acquisition.
14. A network device comprising a processor, a memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the steps in the method of any of claims 1-6.
15. A terminal device, characterized in that the terminal device comprises a processor, a memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for carrying out the steps in the method according to any one of claims 7-11.
16. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the steps of the method according to any one of claims 1-6 or to perform the steps of the method according to any one of claims 7-11.
CN202010696502.8A 2020-07-17 2020-07-17 Method and device for triggering aperiodic CSI triggering state Pending CN113950096A (en)

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