CN110461004B - Method and device for monitoring and controlling resource set CORESET and terminal equipment - Google Patents
Method and device for monitoring and controlling resource set CORESET and terminal equipment Download PDFInfo
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- CN110461004B CN110461004B CN201810434002.XA CN201810434002A CN110461004B CN 110461004 B CN110461004 B CN 110461004B CN 201810434002 A CN201810434002 A CN 201810434002A CN 110461004 B CN110461004 B CN 110461004B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- 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
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Abstract
The embodiment of the invention discloses a method, a device and terminal equipment for monitoring and controlling a resource set CORESET, wherein the method comprises the following steps: determining whether a control resource set CORESET used for transmitting the beam failure recovery request response is only used for transmitting the beam failure recovery request response or not under the condition that a preset condition is met; and if the determination result is negative, monitoring the CORESET. In the embodiment of the present invention, whether to continue monitoring the CORESET may be determined by determining whether the CORESET used for transmitting the beam failure recovery request response is only used for transmitting the beam failure recovery request response. If the CORESET is used for transmitting the beam failure recovery request response and other control information, the monitoring is continuously carried out on the CORESET, the control information can be continuously transmitted on the CORESET at the moment, and the CORESET resource utilization rate can be improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a terminal device for monitoring a Control Resource Set (CORESET).
Background
A concept of controlling Resource Set (CORESET) is introduced in a New Radio (NR) technology of the fifth Generation (5th-Generation, 5G), and currently, in a beam failure recovery (beam failure recovery) process, CORESET for transmitting a beam failure recovery request response (beam failure recovery request) may be divided into: the core set is used for transmitting only the response for beam failure recovery request, and the core set is used for transmitting the response for beam failure recovery request and other control information.
In the prior art, only the monitoring behavior of a terminal device, for example, also called User Equipment (UE), to a core set only used for transmitting a response for beam failure recovery request during a beam failure recovery process is described, but the monitoring behavior of the UE to the core set used for transmitting the response for beam failure recovery request and other control information is not described, which results in a low utilization rate of the core set resources.
Disclosure of Invention
The embodiment of the invention aims to provide a method, a device and terminal equipment for monitoring and controlling a resource set (CORESET), so as to solve the technical problem that the utilization of CORESET resources is low because UE does not describe the monitoring behavior of the CORESET for transmitting response for beam failure recovery request and other control information in the prior art.
To solve the above technical problem, the embodiment of the present invention is implemented as follows:
in a first aspect, a method for monitoring a control resource set, CORESET, is provided, where a terminal device is applied, and the method includes:
determining whether a control resource set CORESET used for transmitting a beam failure recovery request response is only used for transmitting the beam failure recovery request response or not under the condition that a preset condition is met;
and if the determination result is negative, monitoring the CORESET.
In a second aspect, an apparatus for monitoring a control resource set, CORESET, is applied to a terminal device, and the apparatus includes:
a first determining unit, configured to determine whether a control resource set, CORESET, used for transmitting a beam failure recovery request response is only used for transmitting the beam failure recovery request response, if a preset condition is met;
and the monitoring unit is used for monitoring the CORESET under the condition that the determination result of the first determination unit is negative.
In a third aspect, a terminal device is provided, where the terminal device includes: the monitoring control resource set CORESET comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the program for monitoring the control resource set CORESET realizes the steps of the method for monitoring the control resource set CORESET when being executed by the processor.
In a fourth aspect, a computer-readable storage medium is provided, where a program for monitoring a controlling resource set, CORESET, is stored, and when the program for monitoring the controlling resource set, CORESET is executed by a processor, the steps of the method for monitoring the controlling resource set, CORESET are implemented.
As can be seen from the technical solutions provided by the embodiments of the present invention, the solution of the embodiments of the present invention has at least one of the following technical effects: in the embodiment of the invention, whether to continue monitoring the CORESET can be determined by determining whether the CORESET for transmitting the response for beam failure recovery request is only used for transmitting the response for beam failure recovery request under the condition that a preset condition is met. If the CORESET used for transmitting the response for beam failure recovery request is also used for transmitting other control information, monitoring the CORESET continuously, and at the moment, transmitting other control information on the CORESET continuously can be carried out, so that the resource utilization rate of the CORESET can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow diagram of a method of listening to a control resource set, CORESET, according to one embodiment of the invention;
FIG. 2 is a flow diagram of a method of listening to a control resource set, CORESET, according to another embodiment of the invention;
fig. 3 is a schematic structural diagram of an apparatus for monitoring a control resource set CORESET according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is a part of the embodiment of the present invention, but not a whole embodiment. 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 invention.
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 Global System for Mobile communications (GSM), a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS) System, a Long Term Evolution (Long Term Evolution, LTE) System, a Frequency Division Duplex (FDD) System, a Time Division Duplex (TDD) System, a Universal Mobile telecommunications System (Universal Mobile telecommunications System, UMTS), or a world wide Interoperability for Microwave Access (max) communication System, a 5G System, or a New Radio, NR, and subsequent communication systems.
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.
The network device involved in the embodiment of the invention 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), and so on.
The embodiment of the invention provides a method, a device and terminal equipment for monitoring and controlling a resource set CORESET. First, a method for monitoring a control resource set, CORESET, provided by an embodiment of the present invention is described below. For ease of understanding, some concepts involved in embodiments of the present invention are described.
A Control Resource Set (CORESET), which is a concept introduced in the 5GNR technique, is composed of M frequency domain Resource Blocks (RBs) and N time domain symbols, where the value of M is given by a high-level parameter CORESET-freq-dom, the value of N is given by a high-level parameter CORESET-time-dur, and N belongs to {1,2,3 }. The network may configure multiple CORESET for a terminal device, e.g., also called User Equipment (UE), through higher layer signaling.
Bandwidth Part (BWP), which is a background of using large Bandwidth (e.g. 100MHZ, 400MHZ) to transmit data on the network side of NR system, introduces the concept of enabling UEs with small Bandwidth capability to access a Part of Bandwidth in a large Bandwidth network, in view of different UEs usually have different Bandwidth capabilities. Some design conclusions regarding BWP are as follows: one UE may be configured with one or more BWPs, and when the UE is configured with multiple BWPs, each BWP may employ the same or different numerology, where numerology is a set of communication parameters that may include: subcarrier spacing, symbol length, cyclic prefix length, etc. CORESET on each BWP is up to 3.
CORESET #0, refers to CORESET with ID 0, which is configured by a physical broadcast channel for the UE to receive system information (system information).
Beam failure event (beam failure event): the method comprises the steps that a UE physical layer measures a beam failure detection reference signal (beam failure detection signal), if it is detected that measurement parameters (measurement) of beams (serving beams) where all Control channels are located exceed a preset threshold, a beam failure condition (beam failure instance) is determined to occur, at the moment, the UE physical layer reports an indication to a Media Access Control (MAC) layer of the UE, and the reporting process is periodic; otherwise, if the UE physical layer determines that the beam failure condition does not occur, no indication is sent to the MAC layer of the UE. The MAC layer of the UE uses a counter (counter) to count the indications reported by the physical layer, and when the maximum number of network configurations is reached, the UE declares that a beam failure event occurs.
Beam failure recovery (beam failure recovery) mechanism: after the beam failure event occurs, if the UE satisfies a trigger condition of a beam failure recovery request (beam failure recovery request), the UE transmits the beam failure recovery request to the base station on a contention-free Physical Random Access Channel (PRACH). The UE needs to send the beam failure recovery request according to the sending times and/or the timer of the beam failure recovery request configured by the network.
After receiving the beam failure recovery request, the base station sends a response for beam failure recovery request on a configured CORESET for transmitting a beam failure recovery request response (response for beam failure recovery request), where the response carries a radio network temporary identifier (C-RNTI), and may also carry information such as switching to a new candidate beam, restarting beam search, or other instructions. If the UE monitors the response for the beam failure recovery request on the CORESET for transmitting the response for the beam failure recovery request, the beam failure recovery is successful. If the UE does not monitor the response for the beam failure recovery request, the beam failure recovery is unsuccessful, at the moment, the UE physical layer sends an indication to the UE high layer, and the high layer determines the subsequent radio link failure process.
A Transmission Configuration Indication state (TCI state) for indicating Quasi-co-location (QCL) information is transmitted. The UE can know which beam is used to receive the control information or the data information according to the TCI state. The network configures K TCI states for each core set, and when K >1, 1 TCI state is indicated by a Media Access Control-Control Element (MAC-CE), and when K is 1, no additional MAC-CE signaling is required. When the UE listens to the CORESET, the same QCL, i.e., the same TCI state, is used for all search spaces (search spaces) within the CORESET.
Fig. 1 is a flowchart of a method for monitoring a control resource set, CORESET, according to an embodiment of the present invention, where the method is applied to a terminal device, and as shown in fig. 1, the method may include the following steps: step 101 and step 102, wherein,
in step 101, in the case that a preset condition is satisfied, determining whether the CORESET for transmitting the beam failure recovery request response is only used for transmitting the beam failure recovery request response; if not, go to step 102.
In the embodiment of the present invention, the CORESET for transmitting the beam failure recovery request response may be divided into two categories: one type is only used for transmitting beam failure recovery request responses and does not transmit other control information; and the other for transmitting beam failure recovery request responses and other control information.
In the embodiment of the present invention, the network configures the information about the CORESET used for transmitting the beam failure recovery request response for the UE, and the UE may determine whether the CORESET used for transmitting the beam failure recovery request response is only used for transmitting the beam failure recovery request response according to the information about the network configuration. If the UE determines that the CORESET is only used for transmitting the beam failure recovery request response according to the related information configured by the network, the UE monitors the beam failure recovery request response on the CORESET; if the UE determines that the CORESET is not only used for transmitting the beam failure recovery request response according to the related information configured by the network, the UE monitors the beam failure recovery request response and other control information on the CORESET.
In the embodiment of the present invention, if the terminal device is configured to transmit the CORESET of the beam failure recovery request response, the configured CORESET is determined as the CORESET for transmitting the beam failure recovery request response.
In the embodiment of the present invention, a network may configure, for a UE, a core set used for transmitting a response for beam failure recovery request, where the core set configured by the network is only used for transmitting the response for beam failure recovery request and is referred to as "Control Resource set-beam failure recovery (core set-BFR)".
In the embodiment of the present invention, if the network configures a core set for transmitting a response for beam failure recovery request for the UE, the UE determines the core set configured by the network for transmitting the response for beam failure recovery request as the core set for transmitting the response for beam failure recovery request, that is, the UE listens for the response for beam failure recovery request at the core set configured by the network for transmitting the response for beam failure recovery request. For example, the UE determines the core set-BFR configured by the network as the core set for transmitting the response for beam failure recovery request, and at this time, the UE listens for the response for beam failure recovery request on the core set-BFR.
In one example, the base station (gNB) configures the UE with multiple CORESET, e.g., CORESET1, CORESET2, and CORESET3, respectively, wherein CORESET3 is configured as CORESET-BFR, CORESET1, and CORESET2 for communicating other control information. After the beam failure events occur in the CORESET1 and CORESET2, the UE sends a beam failure recovery request to the gsb, and listens for a response for beam failure recovery request of the gsb on the CORESET 3.
In the embodiment of the invention, a network can configure CORESET-BFR related information required to be monitored for UE through high-level signaling, wherein the configured CORESET-BFR related information comprises TCI state used for indicating control information on CORESET-BFR.
In the embodiment of the present invention, if the terminal device is not configured with the CORESET for transmitting the beam failure recovery request response, CORESET #0 is determined as the CORESET for transmitting the beam failure recovery request response.
In the embodiment of the invention, if the network does not configure the core set for transmitting the response for beam failure recovery request for the UE, the UE determines the core set #0 as the core set for transmitting the response for beam failure recovery request, that is, the UE listens for the response for beam failure recovery request on the core set # 0. In this case, CORESET #0 is used for transmitting both response for beam failure recovery request and other control information.
In the embodiment of the present invention, the preset condition may be that the beam failure recovery is successful, that is, the UE monitors the response for beam failure recovery request on the CORESET used for transmitting the response for beam failure recovery request.
In one example, the gsb configures multiple CORESET for the UE, e.g., CORESET1, CORESET2, and CORESET3, respectively, wherein CORESET3 is used for transmitting response for beam failure recovery request, and CORESET1 and CORESET2 are used for transmitting other control information. After the beam failure events occur in the CORESET1 and CORESET2, the UE sends a beam failure recovery request to the gsb, and listens for a response for beam failure recovery request of the gsb on the CORESET 3. If the UE monitors response for beam failure recovery request of the gNB on the CORESET3, the beam failure recovery is successful. In the case of successful beam failure recovery, it is further determined whether the CORESET3 is used only for transmitting response for beam failure recovery request.
In step 102, the CORESET for transmitting the beam failure recovery request response is listened to.
In the embodiment of the present invention, if the CORESET used for transmitting the response for beam failure recovery request is not only used for transmitting the response for beam failure recovery request, that is, is also used for transmitting control information other than the response for beam failure recovery request, the CORESET is monitored continuously.
In the embodiment of the present invention, considering that the core set for transmitting the response for beam failure recovery request and the downlink reference signal of the candidate beam determined by the UE are spatial QCLs, if the core set for transmitting the response for beam failure recovery request is also used for transmitting a control message other than the response for beam failure recovery request, and the core set transmission configuration for transmitting the response for beam failure recovery request indicates that the state TCI state has not changed, that is, the beam in which the core set for transmitting the response for beam failure recovery request is located has not changed, the core set for transmitting the response for beam failure recovery request is monitored continuously using the QCL information of the candidate beam determined by the UE. The candidate beam determined by the UE refers to a candidate beam (candidate beam) selected by the UE higher layer based on a measurement result of the candidate beam reference signal reported by the physical layer under the condition of beam failure.
In the embodiment of the present invention, if the core set used for transmitting the response for beam failure recovery request is further used for transmitting a control message other than the response for beam failure recovery request, and the core set transmission configuration used for transmitting the response for beam failure recovery request indicates that the state TCI state changes, that is, the beam where the core set used for transmitting the response for beam failure recovery request is located changes, the core set used for transmitting the response for beam failure recovery request listens by using the QCL information indicated by the changed TCIstate.
In one example, the gsb configures multiple CORESET for the UE, e.g., CORESET1, CORESET2, and CORESET3, respectively, wherein CORESET3 is used for transmitting response for beam failure recovery request, and CORESET1 and CORESET2 are used for transmitting other control information. After the beam failure events occur in the CORESET1 and CORESET2, the UE sends a beam failure recovery request to the gsb, and listens for a response for beam failure recovery request of the gsb on the CORESET 3. If the UE monitors response for beam failure recovery request of the gNB on the CORESET3, the beam failure recovery is successful. In the case of successful beam failure recovery, it is further determined whether the CORESET3 is used only for transmitting response for beam failure recovery request. If the CORESET3 is also used for transmitting other control information, further determining whether the beam where the CORESET3 is located changes, for example, the beam where the CORESET3 is located is the beam 1 before, and after a period of time, the beam where the CORESET3 is located becomes the beam 2, then before the beam where the CORESET3 is located changes from the beam 1 to the beam 2, the UE monitors the CORESET3 by using QCL information of the candidate beam selected by the UE, and at this time, it can be understood that the candidate beam is the beam 1; after the beam in which the CORESET3 is located is changed from beam 1 to beam 2, the UE listens to the CORESET3 using QCL information indicated by TCI state of CORESET3 after the beam change.
In the embodiment of the invention, whether the beam where the CORESET is located is changed or not can be determined through the TCI state of the CORESET. At this time, if at least one of the following conditions is satisfied: the method comprises the steps that a TCI state of a CORESET used for transmitting a response for beam failure recovery request is reconfigured by a network, a TCI state of the CORESET used for transmitting the response for beam failure recovery request is configured by the network, the TCI state of the CORESET used for transmitting the response for beam failure recovery request is reactivated by the network, the TCI state of the CORESET used for transmitting the response for beam failure recovery request is activated by the network, the TCI state of the CORESET used for transmitting the response for beam failure recovery request is indicated by the network, and then the TCI state of the CORESET used for transmitting the response for beam failure recovery request is determined to be changed. The network may configure the TCI state of CORESET through Radio Resource Control (RRC) signaling, and indicate or activate the TCI state of CORESET through MAC-CE.
In this embodiment of the present invention, in a case that the CORESET for transmitting the response for beam failure recovery request is further used for transmitting a control message other than the response for beam failure recovery request, the CORESET for transmitting the response for beam failure recovery request may include: CORESET #0 or CORESET other than CORESET # 0.
As can be seen from the foregoing embodiment, in this embodiment, it may be determined whether to continue listening to the CORESET by determining whether the CORESET for transmitting the response for beam failure recovery request is only used for transmitting the response for beam failure recovery request if a preset condition is satisfied. If the CORESET used for transmitting the response for beam failure recovery request is also used for transmitting other control information, monitoring the CORESET continuously, and at the moment, transmitting other control information on the CORESET continuously can be carried out, so that the resource utilization rate of the CORESET can be improved.
Fig. 2 is a flowchart of a method for monitoring a control resource set, CORESET, according to another embodiment of the present invention, where the method is applied to a terminal device, and in this embodiment of the present invention, it may further consider that: in a case that the CORESET for transmitting the beam failure recovery request response is only used for transmitting the beam failure recovery request response, the UE may monitor the CORESET, and at this time, as shown in fig. 2, the method may include the following steps: step 201, step 202 and step 203, wherein,
in step 201, in case that a preset condition is satisfied, determining whether the CORESET for transmitting the beam failure recovery request response is only used for transmitting the beam failure recovery request response; if yes, go to step 203; if not, go to step 202.
In step 202, the CORESET for transmitting the beam failure recovery request response is listened to.
Step 201 and step 202 in the embodiment of the present invention are similar to step 101 and step 102 in the embodiment shown in fig. 1, and are not repeated here, please refer to the contents in the embodiment shown in fig. 1 for details.
In step 203, it is determined whether at least one of the following conditions is satisfied: the network reconfigures the terminal equipment to monitor the control information on the CORESET except the CORESET, and the network indicates the TCI state of the CORESET with beam failure again through the MAC-CE; if at least one situation is met, not monitoring the CORESET used for transmitting the beam failure recovery request response; wherein if the CORESET of the network reconfiguration has at least two TCI states, activating 1 TCI state through the MAC-CE.
In this embodiment of the present invention, in a case that the CORESET for transmitting the response for beam failure recovery request is only used for transmitting the response for beam failure recovery request, the CORESET for transmitting the response for beam failure recovery request may include: and the CORESET-BFR is the CORESET configured by the network and only used for transmitting response for beam failure recovery request.
For the case of "the network reconfigures the terminal device to listen to the control information on the core sets other than the core sets", in one example, the gsb configures a plurality of core sets for the UE, for example, core sets 1, core sets 2, and core sets 3, respectively, where core sets 3 is used for transmitting response for beam failure recovery request, and core sets 1 and 2 are used for transmitting other control information. After the beam failure events occur in the CORESET1 and CORESET2, the UE sends a beam failure recovery request to the gsb, and listens for a response for beam failure recovery request of the gsb on the CORESET 3. If the UE monitors response for beam failure recovery request of the gNB on the CORESET3, the beam failure recovery is successful. In the case of successful beam failure recovery, it is further determined whether the CORESET3 is used only for transmitting response for beam failure recovery request. If the CORESET3 is only used for transmitting response for beam failure recovery request, it is further determined whether the gbb reconfigures the UE to listen to the control information on the CORESET other than CORESET3, and if the gbb reconfigures the UE to listen to the control information on the CORESET other than CORESET3, the UE does not listen to CORESET3 any more.
For the case of the network re-indicating the TCI state of the CORESET where the beam failure occurs through the MAC-CE, "in one example, the gsb configures the UE with multiple CORESETs, e.g., CORESET1, CORESET2, and CORESET3, respectively, where CORESET3 is used for transmitting response for beam failure recovery request, CORESET1 and CORESET2 are used for transmitting other control information. After the beam failure events occur in the CORESET1 and CORESET2, the UE sends a beam failure recovery request to the gsb, and listens for a response for beam failure recovery request of the gsb on the CORESET 3. If the UE monitors response for beam failure recovery request of the gNB on the CORESET3, the beam failure recovery is successful. In the case of successful beam failure recovery, it is further determined whether the beams in which CORESET1 and CORESET2 are located have changed. For example, if the beam in which CORESET1 is located changes from beam 1 to beam 2, and/or the beam in which CORESET2 is located changes from beam 3 to beam 4, the UE no longer listens to CORESET 3.
As can be seen from the foregoing embodiment, in this embodiment, it may be determined whether to continue listening to the CORESET by determining whether the CORESET for transmitting the response for beam failure recovery request is only used for transmitting the response for beam failure recovery request if a preset condition is satisfied. If the CORESET used for transmitting the response for beam failure recovery request is only used for the response for beam failure recovery request, the CORESET is not monitored any more, and resources consumed for monitoring the CORESET can be reduced. If the CORESET used for transmitting the response for beam failure recovery request is also used for transmitting other control information, monitoring the CORESET continuously, and at the moment, transmitting other control information on the CORESET continuously can be carried out, so that the resource utilization rate of the CORESET can be improved.
Fig. 3 is a schematic structural diagram of an apparatus for monitoring a controlling resource set CORESET according to an embodiment of the present invention, and as shown in fig. 3, the apparatus 300 for monitoring a controlling resource set CORESET may include: a first determining unit 301 and a listening unit 302, wherein,
a first determining unit 301, configured to determine, if a preset condition is met, whether a control resource set, CORESET, used for transmitting a beam failure recovery request response is only used for transmitting the beam failure recovery request response;
a monitoring unit 302, configured to monitor the CORESET if the determination result of the first determining unit 301 is negative.
As can be seen from the foregoing embodiment, in this embodiment, it may be determined whether to continue listening to the CORESET by determining whether the CORESET for transmitting the response for beam failure recovery request is only used for transmitting the response for beam failure recovery request if a preset condition is satisfied. If the CORESET used for transmitting the response for beam failure recovery request is also used for transmitting other control information, monitoring the CORESET continuously, and at the moment, transmitting other control information on the CORESET continuously can be carried out, so that the resource utilization rate of the CORESET can be improved.
Optionally, as an embodiment, the listening unit 302 may include:
a first monitoring subunit, configured to monitor the CORESET by using quasi co-location QCL information of the candidate beam determined by the terminal device, if the determination result of the first determining unit 301 is negative and a transmission configuration indication state TCI state of the CORESET is not changed;
and the downlink reference signals of the candidate beams determined by the CORESET and the terminal equipment are of a spatial QCL.
Optionally, as an embodiment, the listening unit 302 may include:
and a second monitoring subunit, configured to monitor the CORESET by using the QCL information indicated by the changed TCI state if the determination result of the first determining unit 301 is negative and the TCI state of the CORESET is changed.
Optionally, as an embodiment, the apparatus 300 for monitoring a control resource set CORESET may further include:
a second determination unit configured to determine whether at least one of the following conditions is satisfied: and determining that the TCI state of the CORESET is changed when the TCI state of the CORESET is reconfigured by the network, the TCI state of the CORESET is configured by the network, the TCI state of the CORESET is reactivated by the network, the TCI state of the CORESET is indicated by the network again, and the TCI state of the CORESET is indicated by the network.
Optionally, as an embodiment, the preset condition may be that the beam failure recovery is successful.
Optionally, as an embodiment, the CORESET is further configured to transmit a control message other than the beam failure recovery request response; the CORESET may include:
CORESET #0 or a CORESET other than the CORESET # 0.
Optionally, as an embodiment, the apparatus 300 for monitoring a control resource set CORESET may further include:
a third determination unit configured to determine whether at least one of the following conditions is satisfied in a case where a result of the determination by the first determination unit 301 is yes: the network reconfigures the terminal equipment to monitor control information on the CORESET except the CORESET, and the network indicates the TCI state of the CORESET with beam failure again through a media access control-control element MAC-CE; if the CORESET of the network reconfiguration has at least two TCI states, activating 1 TCI state through the MAC-CE;
and the control unit is used for not monitoring the CORESET used for transmitting the beam failure recovery request response under the condition that at least one of the situations is met.
Optionally, as an embodiment, the CORESET is only used for transmitting the beam failure recovery request response; the CORESET may include:
and the CORESET-BFR is CORESET configured by a network and only used for transmitting the beam failure recovery request response.
Optionally, as an embodiment, the apparatus 300 for monitoring a control resource set CORESET may further include:
a fourth determining unit, configured to determine, in a case where the terminal device is configured to transmit the CORESET of the beam failure recovery request response, the configured CORESET as the CORESET for transmitting the beam failure recovery request response;
a fifth determining unit, configured to determine, in a case where the terminal device is not configured with the CORESET for transmitting the beam failure recovery request response, CORESET #0 as the CORESET for transmitting the beam failure recovery request response.
Fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention, and as shown in fig. 4, the terminal device 400 includes: at least one processor 401, memory 402, at least one network interface 404, and a user interface 403. The various components in the terminal device 400 are coupled together by a bus system 405. It is understood that the bus system 405 is used to enable connection communication between these components. The bus system 405 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 405 in fig. 4.
The user interface 403 may include, among other things, a display, a keyboard or a pointing device (e.g., a mouse, a trackball, a touch pad, or a touch screen), etc.
It will be appreciated that memory 402 in embodiments of the 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 402 of the systems and methods described in this embodiment of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 402 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 4021 and application programs 4022.
The operating system 4021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is configured to implement various basic services and process hardware-based tasks. The application programs 4022 include various application programs, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. A program for implementing the method according to the embodiment of the present invention may be included in the application 4022.
In this embodiment of the present invention, the terminal device 400 further includes: a program stored on the memory 402 and executable on the processor 401 to listen for a set of control resources, CORESET, which when executed by the processor 401 performs the steps of:
determining whether a control resource set CORESET used for transmitting a beam failure recovery request response is only used for transmitting the beam failure recovery request response or not under the condition that a preset condition is met;
and if the determination result is negative, monitoring the CORESET.
The method disclosed in the above embodiments of the present invention may be applied to the processor 401, or implemented by the processor 401. The processor 401 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 401. The Processor 401 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf 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 reside in ram, flash memory, rom, prom, or eprom, registers, among other computer-readable storage media known in the art. The computer readable storage medium is located in the memory 402, and the processor 401 reads the information in the memory 402 and performs the steps of the above method in combination with the hardware thereof. In particular, the computer readable storage medium has stored thereon a computer program which, when executed by the processor 401, performs the steps of the method embodiment of listening for a set of control resources CORESET 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.
Further, the computer program may also realize the following steps when executed by the processor 401:
optionally, as an embodiment, the monitoring the CORESET includes:
if the transmission configuration indication state TCI state of the CORESET is not changed, monitoring the CORESET by using quasi co-location QCL information of candidate beams determined by the terminal equipment;
and the downlink reference signals of the candidate beams determined by the CORESET and the terminal equipment are of a spatial QCL.
Optionally, as an embodiment, the monitoring the CORESET includes:
and if the TCI state of the CORESET is changed, monitoring the CORESET by using QCL information indicated by the changed TCI state.
Optionally, as an embodiment, the method further includes:
if at least one of the following conditions is satisfied: the TCI state of the CORESET is reconfigured by the network, the TCI state of the CORESET is configured by the network, the TCI state of the CORESET is reactivated by the network, the TCI state of the CORESET is activated by the network, the TCI state of the CORESET is indicated by the network again, and the TCI state of the CORESET is indicated by the network again, so that the TCI state of the CORESET is determined to be changed.
Optionally, as an embodiment, the preset condition is that the beam failure recovery is successful.
Optionally, as an embodiment, the CORESET is further configured to transmit a control message other than the beam failure recovery request response; the CORESET comprises:
CORESET #0 or a CORESET other than the CORESET # 0.
Optionally, as an embodiment, the method further includes:
if the determination is yes, determining whether at least one of the following conditions is satisfied: the network reconfigures the terminal equipment to monitor control information on the CORESET except the CORESET, and the network indicates the TCI state of the CORESET with beam failure again through a media access control-control element MAC-CE; if the CORESET of the network reconfiguration has at least two TCI states, activating 1 TCI state through the MAC-CE;
and if at least one of the situations is satisfied, the CORESET used for transmitting the beam failure recovery request response is not monitored.
Optionally, as an embodiment, the CORESET is only used for transmitting the beam failure recovery request response; the CORESET comprises:
and the CORESET-BFR is CORESET configured by a network and only used for transmitting the beam failure recovery request response.
Optionally, as an embodiment, before the step of determining whether the control resource set CORESET used for transmitting the beam failure recovery request response is only used for transmitting the beam failure recovery request response when the preset condition is met, the method further includes:
determining the configured CORESET as the CORESET for transmitting the beam failure recovery request response if the terminal device is configured to transmit the CORESET for transmitting the beam failure recovery request response;
determining CORESET #0 as CORESET for transmitting the beam failure recovery request response if the terminal device is not configured with CORESET for transmitting the beam failure recovery request response.
The terminal device 400 can implement the processes implemented by the terminal device in the foregoing embodiments, and in order to avoid repetition, the detailed description is omitted here.
An embodiment of the present invention further provides a computer-readable storage medium, where a program for monitoring a control resource set, CORESET, is stored on the computer-readable storage medium, and when the program for monitoring the control resource set, CORESET is executed by a processor, the method in the embodiment shown in fig. 1 can be executed by a terminal device, and is specifically configured to execute the following operations:
determining whether a control resource set CORESET used for transmitting a beam failure recovery request response is only used for transmitting the beam failure recovery request response or not under the condition that a preset condition is met;
and monitoring the CORESET if the CORESET is also used for transmitting control messages except the beam failure recovery request response.
In short, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that 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.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Claims (18)
1. A method for monitoring a control resource set CORESET, which is applied to terminal equipment, is characterized in that the method comprises the following steps:
determining whether a control resource set CORESET used for transmitting a beam failure recovery request response is only used for transmitting the beam failure recovery request response under the condition that a preset condition is met, wherein the preset condition is that the beam failure recovery is successful;
and if the determination result is negative, monitoring the CORESET.
2. The method of claim 1, wherein listening to the CORESET comprises:
if the transmission configuration indication state TCI state of the CORESET is not changed, monitoring the CORESET by using quasi co-location QCL information of candidate beams determined by the terminal equipment;
and the downlink reference signals of the candidate beams determined by the CORESET and the terminal equipment are of a spatial QCL.
3. The method of claim 1, wherein listening to the CORESET comprises:
and if the TCI state of the CORESET is changed, monitoring the CORESET by using QCL information indicated by the changed TCI state.
4. A method according to claim 2 or 3, characterized in that the method further comprises:
if at least one of the following conditions is satisfied: the TCI state of the CORESET is reconfigured by the network, the TCI state of the CORESET is configured by the network, the TCI state of the CORESET is reactivated by the network, the TCI state of the CORESET is activated by the network, the TCI state of the CORESET is indicated by the network again, and the TCI state of the CORESET is indicated by the network again, so that the TCI state of the CORESET is determined to be changed.
5. The method of claim 1, wherein the CORESET is further configured to transmit a control message other than the beam failure recovery request response; the CORESET comprises:
CORESET #0 or a CORESET other than the CORESET # 0.
6. The method of claim 1, further comprising:
if the determination is yes, determining whether at least one of the following conditions is satisfied: the network reconfigures the terminal equipment to monitor control information on the CORESET except the CORESET, and the network indicates the TCI state of the CORESET with beam failure again through a media access control-control element MAC-CE; if the CORESET of the network reconfiguration has at least two TCI states, activating 1 TCI state through the MAC-CE;
and if at least one of the situations is satisfied, the CORESET used for transmitting the beam failure recovery request response is not monitored.
7. The method of claim 1, wherein the CORESET is used only for transmitting the beam failure recovery request response; the CORESET comprises:
and the CORESET-BFR is CORESET configured by a network and only used for transmitting the beam failure recovery request response.
8. The method according to claim 1, wherein before the step of determining whether a control resource set, CORESET, for transmitting the beam failure recovery request response is only used for transmitting the beam failure recovery request response if a preset condition is met, the method further comprises:
determining the configured CORESET as the CORESET for transmitting the beam failure recovery request response if the terminal device is configured to transmit the CORESET for transmitting the beam failure recovery request response;
determining CORESET #0 as CORESET for transmitting the beam failure recovery request response if the terminal device is not configured with CORESET for transmitting the beam failure recovery request response.
9. A device for monitoring a control resource set (CORESET) and applying a terminal device, wherein the device comprises:
a first determining unit, configured to determine whether a control resource set, CORESET, used for transmitting a beam failure recovery request response is only used for transmitting the beam failure recovery request response, if a preset condition is met, where the preset condition is that beam failure recovery succeeds;
and the monitoring unit is used for monitoring the CORESET under the condition that the determination result of the first determination unit is negative.
10. The apparatus of claim 9, wherein the listening unit comprises:
the first monitoring subunit is configured to monitor the CORESET by using quasi co-location QCL information of the candidate beam determined by the terminal device, when the determination result of the first determining unit is negative and the transmission configuration indication state TCI state of the CORESET is not changed;
and the downlink reference signals of the candidate beams determined by the CORESET and the terminal equipment are of a spatial QCL.
11. The apparatus of claim 9, wherein the listening unit comprises:
and the second monitoring subunit is used for monitoring the CORESET by using the QCL information indicated by the changed TCI state under the condition that the determination result of the first determining unit is negative and the TCI state of the CORESET is changed.
12. The apparatus of claim 10 or 11, further comprising:
a second determination unit configured to determine whether at least one of the following conditions is satisfied: and determining that the TCI state of the CORESET is changed when the TCI state of the CORESET is reconfigured by the network, the TCI state of the CORESET is configured by the network, the TCI state of the CORESET is reactivated by the network, the TCI state of the CORESET is indicated by the network again, and the TCI state of the CORESET is indicated by the network.
13. The apparatus of claim 9, wherein the CORESET is further configured to transmit a control message other than the beam failure recovery request response; the CORESET comprises:
CORESET #0 or a CORESET other than the CORESET # 0.
14. The apparatus of claim 9, further comprising:
a third determination unit configured to determine whether at least one of the following is satisfied in a case where a result of the determination by the first determination unit is yes: the network reconfigures the terminal equipment to monitor control information on the CORESET except the CORESET, and the network indicates the TCI state of the CORESET with beam failure again through a media access control-control element MAC-CE; if the CORESET of the network reconfiguration has at least two TCI states, activating 1 TCI state through the MAC-CE;
and the control unit is used for not monitoring the CORESET used for transmitting the beam failure recovery request response under the condition that at least one of the situations is met.
15. The apparatus of claim 9, wherein the CORESET is configured to transmit the beam failure recovery request response only; the CORESET comprises:
and the CORESET-BFR is CORESET configured by a network and only used for transmitting the beam failure recovery request response.
16. The apparatus of claim 9, further comprising:
a fourth determining unit, configured to determine, in a case where the terminal device is configured to transmit the CORESET of the beam failure recovery request response, the configured CORESET as the CORESET for transmitting the beam failure recovery request response;
a fifth determining unit, configured to determine, in a case where the terminal device is not configured with the CORESET for transmitting the beam failure recovery request response, CORESET #0 as the CORESET for transmitting the beam failure recovery request response.
17. A terminal device, characterized in that the terminal device comprises: the monitoring control resource set CORESET comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the program for monitoring the control resource set CORESET realizes the steps of the method for monitoring the control resource set CORESET when being executed by the processor.
18. A computer-readable storage medium, wherein a program for monitoring a controlling resource set, CORESET, is stored on the computer-readable storage medium, and when executed by a processor, the program for monitoring a controlling resource set, CORESET, implements the steps of the method for monitoring a controlling resource set, CORESET.
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| US20230309170A1 (en) * | 2020-09-24 | 2023-09-28 | Qualcomm Incorporated | New beam identification for physical downlink control channel (pdcch) repetition |
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| US10027456B2 (en) * | 2016-09-16 | 2018-07-17 | Qualcomm Incorporated | Beam switching and recovery |
| US10154514B2 (en) * | 2016-10-18 | 2018-12-11 | Qualcomm Incorporated | Scheduling request transmission for directional beam access |
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