WO2024092849A1 - 统一传输配置指示状态的确定方法、装置及存储介质 - Google Patents

统一传输配置指示状态的确定方法、装置及存储介质 Download PDF

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Publication number
WO2024092849A1
WO2024092849A1 PCT/CN2022/130177 CN2022130177W WO2024092849A1 WO 2024092849 A1 WO2024092849 A1 WO 2024092849A1 CN 2022130177 W CN2022130177 W CN 2022130177W WO 2024092849 A1 WO2024092849 A1 WO 2024092849A1
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control resource
unified
resource pool
tci state
indication information
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PCT/CN2022/130177
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English (en)
French (fr)
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段高明
池连刚
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北京小米移动软件有限公司
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Priority to PCT/CN2022/130177 priority Critical patent/WO2024092849A1/zh
Publication of WO2024092849A1 publication Critical patent/WO2024092849A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method, device and storage medium for determining the status of a unified transmission configuration indicator (Unified Transmission Configuration Indicator, Unified TCI).
  • Unified Transmission Configuration Indicator Unified TCI
  • MIMO Multiple-Input Multiple-Output
  • M-TRP Multiple Transmission Reception Point
  • NR New Radio
  • the downlink beam can be indicated by the Transmission Configuration Indicator (TCI) state
  • the uplink beam can be indicated by the Space Relation Information (SRI).
  • TCI Transmission Configuration Indicator
  • SRI Space Relation Information
  • the downlink receive beam and uplink transmit beam of the terminal are often symmetrical, and the same beam can be used between different channels and signals of the terminal. Therefore, in order to reduce signaling consumption, the Unified Transmission Configuration Indicator (Unified TCI state) is introduced, and the uplink and downlink beams can be uniformly indicated through the Unified TCI state.
  • Unified TCI state Unified Transmission Configuration Indicator
  • the Unified TCI state is used to indicate that the uplink and downlink beams are only applicable to the case of a single transmission and reception point (Single Transmission Reception Point, S-TRP).
  • the present disclosure provides a method, device and storage medium for determining a unified transmission configuration indication state.
  • a method for determining a unified transmission configuration indication status is provided, which is applied to a terminal, and the method comprises: receiving first indication information sent by a network device, the first indication information being used to indicate a control resource pool index of at least one control resource set; wherein different control resource pool indexes correspond to different unified transmission configuration indication Unified TCI status lists.
  • the first indication information is carried in a media access control control element MAC-CE.
  • the first indication information includes a first information field, and the first information field is used to indicate a control resource pool index of the at least one control resource set.
  • different bit values of different bit overheads of the first information field are used to indicate different Unified TCI state lists activated by the MAC-CE.
  • the bit overhead of the first information field is configured by a higher layer or agreed upon through a protocol.
  • the bits occupied by the first information field are reserved bits in the MAC-CE.
  • the bits occupied by the first information field are one or two reserved bits in the MAC-CE.
  • the method also includes: receiving second indication information sent by the network device, the second indication information is used to indicate at least one Unified TCI state; the at least one Unified TCI state corresponds to at least one control resource pool, the at least one Unified TCI state is derived from a Unified TCI state list corresponding to a control resource pool index of the control resource pool, and the control resource pool includes at least one control resource set.
  • the second indication information is carried in the Unified TCI indication field in the DCI.
  • a method for determining a unified transmission configuration indication status is provided, which is applied to a network device, and the method comprises: sending first indication information to a terminal, the first indication information being used to indicate a control resource pool index of at least one control resource set; wherein different control resource pool indexes correspond to different unified transmission configuration indication Unified TCI status lists.
  • the first indication information is carried in a media access control control element MAC-CE.
  • the first indication information includes a first information field, and the first information field is used to indicate a control resource pool index of the at least one control resource set.
  • different bit values of different bit overheads of the first information field are used to indicate different Unified TCI state lists activated by the MAC-CE.
  • the bit overhead of the first information field is configured by a higher layer or agreed upon through a protocol.
  • the bits occupied by the first information field are reserved bits in the MAC-CE.
  • the bits occupied by the first information field are one or two reserved bits in the MAC-CE.
  • the method also includes: a second indication information sent to the terminal, the second indication information is used to indicate at least one Unified TCI state; the at least one Unified TCI state corresponds to at least one control resource pool, the at least one Unified TCI state is derived from a Unified TCI state list corresponding to a control resource pool index of the control resource pool, and the control resource pool includes at least one control resource set.
  • the second indication information is carried in the Unified TCI indication field in the DCI.
  • a device for determining a unified transmission configuration indication state which is applied to a terminal, and the device comprises: a receiving module, for receiving first indication information sent by a network device, wherein the first indication information is used to indicate a control resource pool index of at least one control resource set; wherein different control resource pool indexes correspond to different unified transmission configuration indication Unified TCI status lists.
  • the first indication information is carried in a media access control control element MAC-CE.
  • the first indication information includes a first information field, and the first information field is used to indicate a control resource pool index of the at least one control resource set.
  • different bit values of different bit overheads of the first information field are used to indicate different Unified TCI state lists activated by the MAC-CE.
  • the bit overhead of the first information field is configured by a higher layer or agreed upon through a protocol.
  • the bits occupied by the first information field are reserved bits in the MAC-CE.
  • the bits occupied by the first information field are one or two reserved bits in the MAC-CE.
  • the receiving module is further used to receive second indication information sent by the network device, and the second indication information is used to indicate at least one Unified TCI state; the at least one Unified TCI state corresponds to at least one control resource pool, and the at least one Unified TCI state is derived from the Unified TCI state list corresponding to the control resource pool index of the control resource pool, and the control resource pool includes at least one control resource set.
  • the second indication information is carried in the Unified TCI indication field in the DCI.
  • a device for determining a unified transmission configuration indication state which is applied to a network device, and the device comprises: a sending module, for sending first indication information to a terminal, and the first indication information is used to indicate a control resource pool index of at least one control resource set; wherein different control resource pool indexes correspond to different unified transmission configuration indication Unified TCI status lists.
  • the first indication information is carried in a media access control control element MAC-CE.
  • the first indication information includes a first information field, and the first information field is used to indicate a control resource pool index of the at least one control resource set.
  • different bit values of different bit overheads of the first information field are used to indicate different Unified TCI state lists activated by the MAC-CE.
  • the bit overhead of the first information field is configured by a higher layer or agreed upon through a protocol.
  • the bits occupied by the first information field are reserved bits in the MAC-CE.
  • the bits occupied by the first information field are one or two reserved bits in the MAC-CE.
  • the sending module is also used to send a second indication message to the terminal, and the second indication message is used to indicate at least one Unified TCI state; the at least one Unified TCI state corresponds to at least one control resource pool, and the at least one Unified TCI state is derived from a Unified TCI state list corresponding to a control resource pool index of the control resource pool, and the control resource pool includes at least one control resource set.
  • the second indication information is carried in the Unified TCI indication field in the DCI.
  • a device for determining a unified transmission configuration indication status comprising: a processor; a memory for storing processor executable instructions; wherein the processor is configured to: execute the method described in the above-mentioned first aspect and any one of its embodiments.
  • a device for determining a unified transmission configuration indication status comprising: a processor; a memory for storing processor executable instructions; wherein the processor is configured to: execute the method described in the above second aspect and any one of its embodiments.
  • a storage medium in which instructions are stored.
  • the instructions in the storage medium are executed by a processor of a terminal, the terminal is enabled to execute the method described in the first aspect and any one of its embodiments.
  • a storage medium in which instructions are stored.
  • the instructions in the storage medium are executed by a processor of a network device, the network device is enabled to execute the method described in the above second aspect and any one of its embodiments.
  • a communication system including a terminal and a network device, wherein the first terminal device is used to execute the method described in the first aspect and any one of its embodiments; and the second terminal device is used to execute the method described in the second aspect and any one of its embodiments.
  • the terminal receives the first indication information sent by the network device, and the first indication information is used to indicate the control resource pool index of at least one control resource set.
  • different control resource pool indexes correspond to different transmission configuration indication Unified TCI status lists. Therefore, in the M-TRP and M-DCI scenario, based on the control resource pool index of the control resource set corresponding to each TRP, the Unified TCI status list corresponding to each TRP can be determined.
  • Fig. 1 is a schematic diagram of a wireless communication system according to an exemplary embodiment.
  • Figure 2 is a schematic diagram of a Unified TCI status list according to an exemplary embodiment.
  • Figure 3 is a flowchart of a method for determining the Unified TCI status according to an exemplary embodiment.
  • Figure 4 is a schematic diagram of a Unified TCI status list according to an exemplary embodiment.
  • Figure 5 is a schematic diagram of a Unified TCI status list according to an exemplary embodiment.
  • Figure 6 is a flowchart of a method for determining the Unified TCI status according to an exemplary embodiment.
  • Figure 7 is a flowchart of a method for determining the Unified TCI status according to an exemplary embodiment.
  • Figure 8 is a flowchart of a method for determining the Unified TCI status according to an exemplary embodiment.
  • Figure 9 is a block diagram of a device for determining the Unified TCI status according to an exemplary embodiment.
  • Figure 10 is a block diagram of a device for determining the Unified TCI status according to an exemplary embodiment.
  • Figure 11 is a block diagram of a device for determining the Unified TCI status according to an exemplary embodiment.
  • Figure 12 is a block diagram of a device for determining the Unified TCI status according to an exemplary embodiment.
  • MIMO Multiple-Input Multiple-Output
  • M-TRP Multiple Transmission Reception Point
  • NR New Radio
  • the downlink beam can be indicated by the Transmission Configuration Indicator (TCI) state
  • the uplink beam can be indicated by the Space Relation Information (SRI).
  • TCI Transmission Configuration Indicator
  • SRI Space Relation Information
  • the downlink receive beam and uplink transmit beam of the terminal are often symmetrical, and the same beam can be used between different channels and signals of the terminal. Therefore, in order to reduce signaling consumption, the Unified Transmission Configuration Indicator (Unified TCI state) is introduced, and the uplink and downlink beams can be uniformly indicated through the Unified TCI state.
  • Unified TCI state Unified Transmission Configuration Indicator
  • the Unified TCI state is used to indicate that the uplink and downlink beams are only applicable to the case of a single transmission and reception point (Single Transmission Reception Point, S-TRP).
  • M-TRP multiple downlink control signaling
  • M-DCI Multi downlink control information
  • the wireless communication system includes a network device and a terminal.
  • the terminal is connected to the network device through wireless resources and performs data transmission.
  • the wireless communication system shown in FIG1 is only for schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices, which are not shown in FIG1.
  • the embodiments of the present disclosure do not limit the number of network devices and terminals included in the wireless communication system.
  • the wireless communication system of the embodiment of the present disclosure is a network that provides wireless communication functions.
  • the wireless communication system can adopt different communication technologies, such as code division multiple access (code division multiple access, CDMA), wideband code division multiple access (wideband code division multiple access, WCDMA), time division multiple access (time division multiple access, TDMA), frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single carrier FDMA, SC-FDMA), carrier sense multiple access/collision avoidance (Carrier Sense Multiple Access with Collision Avoidance).
  • code division multiple access code division multiple access
  • CDMA code division multiple access
  • wideband code division multiple access wideband code division multiple access
  • WCDMA wideband code division multiple access
  • time division multiple access time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • single carrier frequency division multiple access single carrier frequency division multiple access
  • the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called new wireless network (New Radio, NR).
  • 2G English: generation
  • 3G network 4G network or future evolution network, such as 5G network
  • 5G network can also be called new wireless network (New Radio, NR).
  • NR New Radio
  • the present disclosure sometimes simply refers to a wireless communication network as a network.
  • the wireless access network device may also be referred to as a wireless access network device.
  • the wireless access network device may be: a base station, an evolved node B (base station), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc. It may also be a gNB in an NR system, or it may also be a component or a part of a base station. It should be understood that in the embodiments of the present disclosure, the specific technology and specific device form adopted by the network device are not limited.
  • the network device may provide communication coverage for a specific geographical area, and may communicate with a terminal located in the coverage area (cell).
  • the network device may also be a vehicle-mounted device.
  • the terminal involved in the present disclosure may also be referred to as a terminal device, a user equipment (User Equipment, UE), a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal, MT), etc., which is a device that provides voice and/or data connectivity to users.
  • the terminal may be a handheld device with a wireless connection function, a vehicle-mounted device, etc.
  • terminals are: a smart phone (Mobile Phone), a customer premises equipment (Customer Premise Equipment, CPE), a pocket computer (Pocket Personal Computer, PPC), a handheld computer, a personal digital assistant (Personal Digital Assistant, PDA), a laptop computer, a tablet computer, a wearable device, or a vehicle-mounted device, etc.
  • the terminal device may also be a vehicle-mounted device.
  • V2X vehicle-to-everything
  • MIMO technology has opened a new era of development and utilization of spatial resources in mobile communication systems.
  • Distributed MIMO is developed on the basis of traditional classical MIMO technology, which expands the application scope of traditional MIMO.
  • Distributed MIMO can not only be applied to single-cell cellular base station systems, but can also further replace multi-cell cellular base stations to form a cellular-free mobile communication system in the form of distributed MU-MIMO, that is, cellfree technology.
  • Cellfree technology can provide services to all users under the same time and frequency resources, without the need for traditional inter-cell frequency division, and system resources can be dynamically scheduled in all aspects. This can improve the flexibility of existing system resource configuration and greatly improve resource utilization.
  • M-TRP serves a terminal, so that the signal quality of the terminal is better guaranteed and can meet the high-speed and high-capacity business needs of the terminal.
  • New Radio, NR New Radio
  • the downlink beam can be indicated by the TCI state
  • the uplink beam can be indicated by the SRI.
  • the downlink receive beam and uplink transmit beam of the terminal are often symmetrical, and the same beam can be used between different channels and signals of the terminal. Therefore, in order to reduce signaling consumption, the Unified Transmission Configuration Indicator (Unified TCI state) is introduced in R17.
  • the Unified TCI state can be used to uniformly indicate the uplink and downlink beams.
  • the Unified TCI state indication has been standardized in R17, but only supports single TRP connections.
  • MIMO Multiple-Input Multiple-Output
  • M-TRP Multiple Transmission Reception Point
  • NR New Radio
  • the downlink beam can be indicated by the Transmission Configuration Indicator (TCI) state
  • the uplink beam can be indicated by the Space Relation Information (SRI).
  • TCI Transmission Configuration Indicator
  • SRI Space Relation Information
  • the downlink receive beam and uplink transmit beam of the terminal are often symmetrical, and the same beam can be used between different channels and signals of the terminal. Therefore, in order to reduce signaling consumption, the Unified Transmission Configuration Indicator (Unified TCI state) is introduced, and the uplink and downlink beams can be uniformly indicated through the Unified TCI state.
  • Unified TCI state Unified Transmission Configuration Indicator
  • the Unified TCI state is used to indicate that the uplink and downlink beams are only applicable to the case of a single transmission and reception point (Single Transmission Reception Point, S-TRP).
  • the network device configures up to K Unified TCI states for the terminal through Radio Resource Control (RRC) signaling, activates some of them through the Medium Access Control Control Element (MAC CE), and indicates one of the activated Unified TCI states as the Unified TCI state of the TRP through the Unified TCI information field in the DCI.
  • RRC Radio Resource Control
  • MAC CE Medium Access Control Control Element
  • Figure 2 shows a format diagram of the Unified TCI status list in MAC-CE in a related technology.
  • Oct refers to an octet
  • an octet consists of eight bits. To distinguish different bytes, they are recorded as Oct 1, Oct 2, etc.
  • Oct1 can be referred to as the first byte
  • Oct2 can be referred to as the second byte, etc. It should be understood that the first byte, the second byte, etc. are only named for distinction and do not limit the protection scope of the embodiments of the present application.
  • Severing Cell ID Indicates the identifier of the serving cell to which MAC CE is applied.
  • the length of the Severing Cell ID field can be 5 bits.
  • DL BWP ID This field contains the ID corresponding to the downlink bandwidth part to which the MAC CE applies.
  • the BWP ID is given by the higher layer parameter BWP ID specified in 3GPP TS 38.331.
  • the length of the DL BWP ID field is 2 bits.
  • This field contains the ID corresponding to the uplink bandwidth part to which the MAC CE applies.
  • the BWP ID is given by the higher layer parameter BWP ID specified in 3GPP TS 38.331.
  • the length of the UL BWP ID field is 2 bits.
  • Pi indicates the Unified TCI state corresponding to each Unified TCI state group. For example, if Pi is set to 1, it means that the i-th Unified TCI state group corresponds to the joint Unified TCI state; if Pi is set to 0, it means that the i-th Unified TCI state group only corresponds to the uplink or downlink Unified TCI state.
  • D/U Indicates whether the Nth group Unified TCI state of TCI state ID N is the uplink Unified TCI state or the downlink Unified TCI state.
  • the Unified TCI state is used to indicate that the uplink and downlink beams are only applicable to the S-TRP case.
  • the embodiment of the present disclosure provides a method for determining the Unified TCI state, wherein the terminal receives first indication information sent by a network device, and the first indication information is used to indicate the control resource pool index of at least one control resource set.
  • Different control resource pool indexes correspond to different transmission configuration indication Unified TCI state lists. Therefore, in the M-TRP and M-DCI scenario, the Unified TCI state list corresponding to each TRP can be determined based on the control resource pool index of the control resource set corresponding to each TRP.
  • Figure 3 is a flowchart of a method for determining the Unified TCI status according to an exemplary embodiment. As shown in Figure 3, the method for determining the Unified TCI status is applied in a terminal and includes the following steps.
  • step S11 first indication information sent by a network device is received, where the first indication information is used to indicate a control resource pool index of at least one control resource set.
  • control resource pool indexes correspond to different Unified TCI status lists.
  • the control resource pool index corresponds to a Unified TCI state list.
  • a Unified TCI state list includes Unified TCI states corresponding to different Unified TCI state groups; wherein different Unified TCI state groups may correspond to different Unified TCI states.
  • Different Unified TCI state groups may correspond to different Unified TCI states, which means that the Unified TCI states corresponding to different Unified TCI state groups are all different, or some Unified TCI state groups correspond to different Unified TCI states, while another part of the Unified TCI state groups correspond to the same Unified TCI state.
  • the terminal receives first indication information sent by a network device, and the first indication information is used to indicate a control resource pool index of at least one control resource set.
  • Different control resource pool indexes correspond to different transmission configuration indication Unified TCI status lists. Therefore, in the M-TRP and M-DCI scenario, based on the control resource pool index of the control resource set corresponding to each TRP, the Unified TCI status list corresponding to each TRP can be determined.
  • first indication information is carried in MAC-CE.
  • the first indication information is carried by MAC-CE to reduce signaling overhead.
  • the first indication information includes a first information field, and the first information field is used to indicate a control resource pool index of at least one control resource set.
  • the control resource pool index can be associated with the Unified TCI status list, so that the Unified TCI status list corresponding to the TRP can be determined based on the control resource pool index of the TRP.
  • the first information field in response to the bit overhead of the first information field being 1 bit, when the bit value of the first information field is a first value (for example, 0), the first information field indicates a first Unified TCI state list activated by MAC-CE; when the bit value of the first information field is a second value (for example, 1), the first information field indicates a second Unified TCI state list activated by MAC-CE.
  • the first information field in response to the bit overhead of the first information field being 2 bits, when the bit value of the first information field is a first value (for example, 00), the first information field indicates a first Unified TCI state list activated by MAC-CE; when the bit value of the first information field is a second value (for example, 01), the first information field indicates a second Unified TCI state list activated by MAC-CE; when the bit value of the first information field is a third value (for example, 10), the first information field indicates a third Unified TCI state list activated by MAC-CE; when the bit value of the first information field is a fourth value (for example, 11), the first information field indicates a fourth Unified TCI state list activated by MAC-CE.
  • a first value for example, 00
  • the first information field indicates a first Unified TCI state list activated by MAC-CE
  • the bit value of the first information field when the bit value of the first information field is a second value (for example, 01), the first
  • different bit values of different bit overheads of the first information field represent different control resource pool indexes
  • different control resource pool indexes correspond to different control resource pools
  • different control resource pools correspond to different Unified TCI status lists.
  • the bit value of the first information field in response to the bit overhead of the first information field being 1 bit, is the first value (for example, 0), that is, the control resource pool index is the first value (for example, 0), corresponding to CORESET_0, corresponding to the first Unified TCI status list; when the bit value of the first information field is the second value (for example, 1), that is, the control resource pool index is the second value (for example, 1), corresponding to CORESET_1, corresponding to the second Unified TCI status list.
  • different bit values based on different bit overheads of the first information field are used to indicate different Unified TCI state lists activated by MAC-CE, thereby determining the Unified TCI state list corresponding to the TRP associated with the control resource pool index of at least one control resource set indicated by the first information field, thereby improving the signal quality of M-TRP transmission based on the Unified TCI state.
  • the bit overhead of the first information field is configured by a high layer or agreed upon through a protocol.
  • the maximum number of TRPs supported by the terminal for connection can be implicitly determined based on the bit overhead of the first information field.
  • the bit overhead of the first information field is 1 bit, it can be determined that the maximum number of TRPs supported by the terminal is 2.
  • the bit overhead of the first information field is 2 bits, it can be determined that the maximum number of TRPs supported by the terminal for connections is 4.
  • the bit overhead of the first information field is 3 bits, it can be determined that the maximum number of TRPs supported by the terminal is 8.
  • bit overhead of the first information field in the embodiment of the present disclosure may also include other bit overheads, which are not limited in the embodiment of the present disclosure.
  • the bit overhead of the first information field is bits, where M is the maximum number of TRPs supported by the terminal.
  • bits occupied by the first information field are reserved bits in MAC-CE.
  • the signaling overhead of MAC-CE is reduced.
  • the bits occupied by the first information field are one or two reserved bits in MAC-CE.
  • the position of the reserved bit in response to a reserved bit in the bit positions occupied by the first information field in the MAC-CE, the position of the reserved bit may be located at the first reserved bit of the first byte in the MAC-CE.
  • the two reserved bits in response to the two reserved bits in the MAC-CE occupied by the first information field, the two reserved bits may be located at the first reserved bit and the second reserved bit of the second byte in the MAC-CE.
  • second indication information sent by a network device is received, the second indication information is used to indicate at least one Unified TCI status, and based on the control resource pool index corresponding to the Unified TCI status, it is determined that the Unified TCI status indicated by the second indication information comes from a Unified TCI status table.
  • Figure 6 is a flowchart of a method for determining the Unified TCI status according to an exemplary embodiment, including the following steps.
  • step S21 second indication information sent by the network device is received, and the second indication information is used to indicate at least one Unified TCI state.
  • At least one Unified TCI state corresponds to at least one control resource pool
  • at least one Unified TCI state comes from the Unified TCI state list corresponding to the control resource pool index of the control resource pool
  • the control resource pool includes at least one control resource set.
  • the Unified TCI state indicated by the second indication information comes from the Unified TCI state list corresponding to the control resource pool index 1.
  • the terminal receives the second indication information, and determines the corresponding control resource pool index based on at least one Unified TCI state indicated by the second indication information. Then, the at least one Unified TCI state indicated by the second indication information comes from the Unified TCI state list corresponding to the control resource pool index corresponding to at least one Unified TCI state. Therefore, since each control resource pool index has a corresponding TRP, the Unified TCI state list corresponding to each TRP in multiple TRPs can be determined in the M-DCI scenario based on the method of the embodiment of the present disclosure.
  • the second indication information is carried in the TCI indication field in the DCI.
  • the Unified TCI state includes an uplink and downlink combined TCI state, or an independent TCI state.
  • the first indication information further includes a third information field, and the third information field is used to indicate whether the independent TCI state is an uplink TCI state or a downlink TCI state.
  • the embodiment shown in FIG. 6 can be implemented separately, that is, when the embodiment shown in FIG. 6 is implemented separately, the terminal device can receive the second indication information sent by the network device for indicating at least one Unified TCI state; and whether the Unified TCI state lists corresponding to different control resource pool indexes need to be activated, or the Unified TCI state lists corresponding to different control resource pool indexes are activated in what manner, the embodiment of the present disclosure does not limit this.
  • the embodiment shown in FIG. 6 can also be implemented in combination with other embodiments of the present disclosure, for example, in combination with the embodiment shown in FIG.
  • the terminal device can receive the first indication message sent by the network device for indicating the control resource pool index of at least one control resource set, wherein different control resource pool indexes correspond to different Unified TCI state lists; and the terminal device also receives the second indication information sent by the network device for indicating at least one Unified TCI state.
  • the first indication message and the second indication message can be carried in different signaling; for example, the first indication message is carried in MAC CE and the second indication message is carried in DCI or RRC or other signaling.
  • the first indication message and the second indication message can also be carried in the same signaling, and the embodiment of the present disclosure does not limit this.
  • Figure 7 is a flowchart of a method for determining the Unified TCI status according to an exemplary embodiment. As shown in Figure 7, the method for determining the Unified TCI status is applied in a network device and includes the following steps.
  • step S31 first indication information is sent to a terminal, where the first indication information is used to indicate a control resource pool index of at least one control resource set.
  • control resource pool indexes correspond to different Unified TCI status lists.
  • control resource pool index corresponds to the Unified TCI state list.
  • a Unified TCI state list contains Unified TCI states corresponding to different Unified TCI state groups. For a specific explanation, please refer to the explanation in step S11, and the same content will not be repeated here.
  • the terminal receives first indication information sent by the network device, and the first indication information is used to indicate the control resource pool index of at least one control resource set.
  • Different control resource pool indexes correspond to different transmission configuration indication Unified TCI status lists. Therefore, in the M-TRP and M-DCI scenario, based on the control resource pool index of the control resource set corresponding to each TRP, the Unified TCI status list corresponding to each TRP can be determined.
  • the first indication information is carried in a MAC-CE.
  • signaling overhead is reduced.
  • the first indication information includes a first information field, and the first information field is used to indicate a control resource pool index of at least one control resource set.
  • the control resource pool index can be associated with the Unified TCI status list, so that the Unified TCI status list corresponding to the TRP can be determined based on the control resource pool index of the TRP.
  • the first information field in response to the bit overhead of the first information field being 1 bit, when the bit value of the first information field is 0, the first information field indicates a first Unified TCI state list activated by MAC-CE; when the bit value of the first information field is 1, the first information field indicates a second Unified TCI state list activated by MAC-CE.
  • the first information field in response to the bit overhead of the first information field being 2 bits, when the bit value of the first information field is 00, the first information field indicates a first Unified TCI state list activated by MAC-CE; when the bit value of the first information field is 01, the first information field indicates a second Unified TCI state list activated by MAC-CE; when the bit value of the first information field is 10, the first information field indicates a third Unified TCI state list activated by MAC-CE; when the bit value of the first information field is 11, the first information field indicates a fourth Unified TCI state list activated by MAC-CE.
  • different bit values of different bit overheads of the first information field represent different control resource pool indexes
  • different control resource pool indexes correspond to different control resource pools
  • different control resource pools correspond to different Unified TCI status lists.
  • the bit value of the first information field in response to the bit overhead of the first information field being 1 bit, the bit value of the first information field is 0, that is, the control resource pool index is 0, corresponding to CORESET_0, corresponding to the first Unified TCI status list; when the bit value of the first information field is 1, that is, the control resource pool index is 1, corresponding to CORESET_1, corresponding to the second Unified TCI status list.
  • different bit values based on different bit overheads of the first information field are used to indicate different Unified TCI state lists activated by MAC-CE, thereby determining the Unified TCI state list corresponding to the TRP associated with the control resource pool index of at least one control resource set indicated by the first information field.
  • the bit overhead of the first information field is configured by a high layer or agreed upon through a protocol.
  • the maximum number of TRPs supported by the terminal for connection can be implicitly determined based on the bit overhead of the first information field.
  • the bit overhead of the first information field is 1 bit, it can be determined that the maximum number of TRPs supported by the terminal is 2.
  • the bit overhead of the first information field is 2 bits, it can be determined that the maximum number of TRPs supported by the terminal for connections is 4.
  • the bit overhead of the first information field is 3 bits, it can be determined that the maximum number of TRPs supported by the terminal for connections is 8.
  • bit overhead of the first information field in the embodiment of the present disclosure may also include other bit overheads, which are not limited in the embodiment of the present disclosure.
  • the bit overhead of the first information field is bits, where M is the maximum number of TRPs supported by the terminal.
  • the bits occupied by the first information field are reserved bits in MAC-CE.
  • the signaling overhead of MAC-CE is reduced by stipulating that the bits occupied by the first information field are reserved bits in MAC-CE.
  • the bits occupied by the first information field are one or two reserved bits in MAC-CE.
  • the position of the reserved bit in response to a reserved bit in the bit positions occupied by the first information field in the MAC-CE, the position of the reserved bit may be located at the first reserved bit of the first byte in the MAC-CE.
  • the two reserved bits in response to the two reserved bits in the MAC-CE occupied by the first information field, may be located at the first reserved bit and the second reserved bit of the second byte in the MAC-CE.
  • a network device sends second indication information to a terminal, where the second indication information is used to indicate at least one Unified TCI status, and the terminal determines the Unified TCI status table from which the Unified TCI status indicated by the second indication information comes based on the control resource pool index corresponding to the Unified TCI status.
  • Figure 8 is a flowchart of a method for determining the Unified TCI status according to an exemplary embodiment, which includes the following steps as shown in Figure 8.
  • step S41 a second indication message is sent to the terminal, and the second indication message is used to indicate at least one Unified TCI status.
  • At least one Unified TCI state corresponds to at least one control resource pool
  • at least one Unified TCI state comes from the Unified TCI state list corresponding to the control resource pool index of the control resource pool
  • the control resource pool includes at least one control resource set.
  • the Unified TCI state indicated by the second indication information comes from the Unified TCI state list corresponding to the control resource pool index 1.
  • the terminal receives the second indication information, and determines the corresponding control resource pool index based on at least one Unified TCI state indicated by the second indication information. Then, the at least one Unified TCI state indicated by the second indication information comes from the Unified TCI state list corresponding to the control resource pool index corresponding to at least one Unified TCI state. Therefore, since each control resource pool index has a corresponding TRP, the Unified TCI state list corresponding to each TRP in multiple TRPs can be determined in the M-DCI scenario based on the method of the embodiment of the present disclosure.
  • the second indication information is carried in the Unified TCI indication field in the DCI.
  • the Unified TCI state includes an uplink and downlink combined TCI state, or an independent TCI state.
  • the first indication information further includes a third information field, and the third information field is used to indicate whether the independent TCI state is an uplink TCI state or a downlink TCI state.
  • the embodiment shown in FIG8 can be implemented separately, that is, when the embodiment shown in FIG8 is implemented separately, the network device can send a second indication message for indicating at least one Unified TCI state to the terminal; and whether the Unified TCI state lists corresponding to different control resource pool indexes need to be activated, or the Unified TCI state lists corresponding to different control resource pool indexes are activated in what manner, the embodiment of the present disclosure does not limit this.
  • the embodiment shown in FIG8 can also be implemented in combination with other embodiments of the present disclosure, for example, in combination with the embodiment shown in FIG7; that is, the network device sends a first indication message for indicating the control resource pool index of at least one control resource set to the terminal, wherein different control resource pool indexes correspond to different Unified TCI state lists; and the network device can also send a second indication message for indicating at least one Unified TCI state to the terminal device.
  • the first indication message and the second indication message can be carried in different signaling; for example, the first indication message is carried in MAC CE and the second indication message is carried in DCI or RRC or other signaling.
  • the first indication message and the second indication message can also be carried in the same signaling, and the embodiment of the present disclosure does not limit this.
  • the embodiment of the present disclosure also provides a device for determining the Unified TCI status.
  • the Unified TCI status determination device includes hardware structures and/or software modules corresponding to the execution of each function.
  • the embodiment of the present disclosure can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the technical solution of the embodiment of the present disclosure.
  • Fig. 9 is a block diagram of a device for determining a Unified TCI state according to an exemplary embodiment.
  • the device includes a receiving module 101.
  • the device 100 for determining a Unified TCI state is applied in a terminal.
  • the receiving module 101 is configured to receive first indication information sent by a network device, where the first indication information is used to indicate a control resource pool index of at least one control resource set; wherein different control resource pool indexes correspond to different transmission configuration indication Unified TCI status lists.
  • the first indication information is carried in a media access control control element MAC-CE.
  • the first indication information includes a first information field, where the first information field is used to indicate a control resource pool index of the at least one control resource set.
  • different bit values of different bit overheads of the first information field are used to indicate different Unified TCI state lists activated by the MAC-CE.
  • the bit overhead of the first information field is configured by a higher layer or agreed upon through a protocol.
  • the bits occupied by the first information field are reserved bits in the MAC-CE.
  • the bits occupied by the first information field are one or two reserved bits in the MAC-CE.
  • the receiving module 101 is further configured to receive second indication information sent by the network device, wherein the second indication information is used to indicate at least one Unified TCI state; at least one Unified TCI state corresponds to at least one control resource pool, and at least one Unified TCI state is derived from a Unified TCI state list corresponding to a control resource pool index of the control resource pool, and the control resource pool includes at least one control resource set.
  • the second indication information is carried in the Unified TCI indication field in the DCI.
  • Fig. 10 is a block diagram of a device for determining a Unified TCI state according to an exemplary embodiment.
  • the device includes a sending module 201.
  • the device 200 for determining a Unified TCI state is applied in a terminal.
  • the sending module 201 is used to send a first indication information to the terminal, where the first indication information is used to indicate a control resource pool index of at least one control resource set; wherein different control resource pool indexes correspond to different transmission configuration indication Unified TCI status lists.
  • the first indication information is carried in a media access control control element MAC-CE.
  • the first indication information includes a first information field, where the first information field is used to indicate a control resource pool index of at least one control resource set.
  • different bit values of different bit overheads of the first information field are used to indicate different Unified TCI state lists activated by MAC-CE.
  • the bit overhead of the first information field is configured by a higher layer or agreed upon through a protocol.
  • the bits occupied by the first information field are reserved bits in MAC-CE.
  • the bits occupied by the first information field are one or two reserved bits in MAC-CE.
  • the sending module 201 is also configured to send a second indication message to the terminal, and the second indication message is used to indicate at least one Unified TCI state; at least one Unified TCI state corresponds to at least one control resource pool, and at least one Unified TCI state comes from a Unified TCI state list corresponding to a control resource pool index of the control resource pool, and the control resource pool includes at least one control resource set.
  • the second indication information is carried in the Unified TCI indication field in the DCI.
  • the various modules/units involved in the Unified TCI status determination device 100 and the Unified TCI status determination device 200 involved in the embodiments of the present disclosure are only for illustrative purposes and are not intended to be limiting.
  • the Unified TCI status determination device 100 in the embodiments of the present disclosure may also include a sending unit and/or a processing unit.
  • the Unified TCI status determination device 200 may also include a receiving unit and/or a processing unit.
  • the various units included in the Unified TCI status determination device 100 and the Unified TCI status determination device 200 may interact with each other and may also interact with other network element devices.
  • FIG11 is a block diagram of a Unified TCI determination device according to an exemplary embodiment.
  • the device 300 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • apparatus 300 may include one or more of the following components: processing component 302 , memory 304 , power component 306 , multimedia component 308 , audio component 310 , input/output (I/O) interface 312 , sensor component 314 , and communication component 316 .
  • the processing component 302 generally controls the overall operation of the device 300, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 302 may include one or more processors 320 to execute instructions to complete all or part of the steps of the above-mentioned method.
  • the processing component 302 may include one or more modules to facilitate the interaction between the processing component 302 and other components.
  • the processing component 302 may include a multimedia module to facilitate the interaction between the multimedia component 308 and the processing component 302.
  • the memory 304 is configured to store various types of data to support operations on the device 300. Examples of such data include instructions for any application or method operating on the device 300, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 304 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power component 306 provides power to the various components of the device 300.
  • the power component 306 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 300.
  • the multimedia component 308 includes a screen that provides an output interface between the device 300 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
  • the multimedia component 308 includes a front camera and/or a rear camera. When the device 300 is in an operating mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
  • the audio component 310 is configured to output and/or input audio signals.
  • the audio component 310 includes a microphone (MIC), and when the device 300 is in an operating mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal.
  • the received audio signal can be further stored in the memory 304 or sent via the communication component 316.
  • the audio component 310 also includes a speaker for outputting audio signals.
  • I/O interface 312 provides an interface between processing component 302 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: a home button, a volume button, a start button, and a lock button.
  • the sensor assembly 314 includes one or more sensors for providing various aspects of the status assessment of the device 300.
  • the sensor assembly 314 can detect the open/closed state of the device 300, the relative positioning of components, such as the display and keypad of the device 300, the sensor assembly 314 can also detect the position change of the device 300 or a component of the device 300, the presence or absence of user contact with the device 300, the orientation or acceleration/deceleration of the device 300, and the temperature change of the device 300.
  • the sensor assembly 314 can include a proximity sensor configured to detect the presence of a nearby object without any physical contact.
  • the sensor assembly 314 can also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 314 can also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 316 is configured to facilitate wired or wireless communication between the device 300 and other devices.
  • the device 300 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 316 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the apparatus 300 may be implemented by 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), controllers, microcontrollers, microprocessors or other electronic components to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • controllers microcontrollers, microprocessors or other electronic components to perform the above method.
  • a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 304 including instructions, and the instructions can be executed by the processor 320 of the device 300 to perform the above method.
  • the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
  • FIG 12 is a block diagram of a Unified TCI determination device according to an exemplary embodiment.
  • the device 400 can be provided as a network device.
  • the device 400 includes a processing component 422, which further includes one or more processors, and a memory resource represented by a memory 432 for storing instructions that can be executed by the processing component 422, such as an application.
  • the application stored in the memory 432 may include one or more modules, each of which corresponds to a set of instructions.
  • the processing component 422 is configured to execute instructions to perform the above method.
  • the device 400 may also include a power supply component 426 configured to perform power management of the device 400, a wired or wireless network interface 450 configured to connect the device 400 to a network, and an input/output (I/O) interface 458.
  • the device 400 may operate based on an operating system stored in the memory 432, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, or the like.
  • a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 432 including instructions, which can be executed by the processing component 422 of the device 400 to perform the above method.
  • the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
  • plural refers to two or more than two, and other quantifiers are similar thereto.
  • “And/or” describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and/or B may represent: A exists alone, A and B exist at the same time, and B exists alone.
  • the character “/” generally indicates that the associated objects before and after are in an “or” relationship.
  • the singular forms “a”, “the”, and “the” are also intended to include plural forms, unless the context clearly indicates other meanings.
  • first, second, etc. are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other, and do not indicate a specific order or degree of importance. In fact, the expressions “first”, “second”, etc. can be used interchangeably.
  • the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information.

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Abstract

本公开是关于一种传输配置指示状态的确定方法、装置及存储介质，涉及通信技术领域，用于实现基于M-DCI的M-TRP场景下的Unified TCI状态指示方案。该方法包括：接收网络设备发送的第一指示信息，所述第一指示信息用于指示至少一个控制资源集的控制资源池索引；其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。

Description

统一传输配置指示状态的确定方法、装置及存储介质 技术领域
本公开涉及通信技术领域，尤其涉及一种统一传输配置指示(Unified Transmission Configuration Indicator，Unified TCI)状态的确定方法、装置及存储介质。
背景技术
在多输入多输出(Multiple-Input Multiple-Output，MIMO)技术中，多个发送接收点(Multi Transmission Reception Point，M-TRP)为一个终端服务，使得终端的信号质量得到了更好的保障，可以满足终端高速率、高容量的业务需求。在新无线技术(New Radio，NR)中，由于不同的TRP在空间上处于不同的位置，各个TRP对应的大尺度衰落有明显差异，因此在基于M-TRP传输时，需要对不同的TRP分别指示其相应的波束信息。
相关技术中，下行波束可以通过传输配置指示(Transmission Configuration Indicator，TCI)状态进行指示，上行波束可以通过空间关系信息(Space Relation Information，SRI)进行指示。而考虑到毫米波部署中，终端的下行接收波束和上行发射波束往往是对称的，并且终端不同信道和信号间能够使用相同的波束。因此为了减少信令消耗，引入了统一传输配置指示状态(Unified Transmission Configuration Indicator，Unified TCI state)，通过Unified TCI state可以对上下行波束进行统一的指示。
相关技术中通过Unified TCI state指示上下行波束只适用于单发送接收点(Single Transmission Reception Point，S-TRP)的情况。
发明内容
为克服相关技术中存在的问题，本公开提供一种统一传输配置指示状态的确定方法、装置及存储介质。
根据本公开实施例的第一方面，提供一种统一传输配置指示状态的确定方法，应用于终端，所述方法包括：接收网络设备发送的第一指示信息，所述第一指示信息用于指示至少一个控制资源集的控制资源池索引；其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。
一种实施方式中，所述第一指示信息承载在媒体接入控制控制单元MAC-CE中。
一种实施方式中，所述第一指示信息包括第一信息域，所述第一信息域用于指示所述至少一个控制资源集的控制资源池索引。
一种实施方式中，所述第一信息域的不同比特开销的不同比特取值用于指示所述MAC-CE激活的不同Unified TCI状态列表。
一种实施方式中，所述第一信息域的比特开销由高层配置，或者通过协议进行约定。
一种实施方式中，所述第一信息域占用的比特为所述MAC-CE中的预留比特。
一种实施方式中，所述第一信息域占用的比特为所述MAC-CE中的一个或两个预留比特。
一种实施方式中，所述方法还包括：接收所述网络设备发送的第二指示信息，所述第二指示信息用于指示至少一个Unified TCI状态；所述至少一个Unified TCI状态对应有至少一个控制资源池，所述至少一个Unified TCI状态来源于所述控制资源池的控制资源池索引对应的Unified TCI状态列表中，所述控制资源池包括至少一个控制资源集。
一种实施方式中，所述第二指示信息承载在DCI中的Unified TCI指示字段中。
根据本公开实施例的第二方面，提供一种统一传输配置指示状态的确定方法，应用于网络设备，所述方法包括：向终端发送第一指示信息，所述第一指示信息用于指示至少一个控制资源集的控制资源池索引；其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。
一种实施方式中，所述第一指示信息承载在媒体接入控制控制单元MAC-CE中。
一种实施方式中，所述第一指示信息包括第一信息域，所述第一信息域用于指示所述至少一个控制资源集的控制资源池索引。
一种实施方式中，所述第一信息域的不同比特开销的不同比特取值用于指示所述MAC-CE激活的不同Unified TCI状态列表。
一种实施方式中，所述第一信息域的比特开销由高层配置，或者通过协议进行约定。
一种实施方式中，所述第一信息域占用的比特为所述MAC-CE中的预留比特。
一种实施方式中，所述第一信息域占用的比特为所述MAC-CE中的一个或两个预留比特。
一种实施方式中，所述方法还包括：向所述终端发送的第二指示信息，所述第二指示信息用于指示至少一个Unified TCI状态；所述至少一个Unified TCI状态对应有至少一个控制资源池，所述至少一个Unified TCI状态来源于所述控制资源池的控制资源池索引对应的Unified TCI状态列表中，所述控制资源池包括至少一个控制资源集。
一种实施方式中，所述第二指示信息承载在DCI中的Unified TCI指示字段中。
根据本公开实施例的第三方面，提供一种统一传输配置指示状态的确定装置，应用于终端，所述装置包括：接收模块，用于接收网络设备发送的第一指示信息，所述第一指示 信息用于指示至少一个控制资源集的控制资源池索引；其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。
一种实施方式中，所述第一指示信息承载在媒体接入控制控制单元MAC-CE中。
一种实施方式中，所述第一指示信息包括第一信息域，所述第一信息域用于指示所述至少一个控制资源集的控制资源池索引。
一种实施方式中，所述第一信息域的不同比特开销的不同比特取值用于指示所述MAC-CE激活的不同Unified TCI状态列表。
一种实施方式中，所述第一信息域的比特开销由高层配置，或者通过协议进行约定。
一种实施方式中，所述第一信息域占用的比特为所述MAC-CE中的预留比特。
一种实施方式中，所述第一信息域占用的比特为所述MAC-CE中的一个或两个预留比特。
一种实施方式中，接收模块，，还用于接收所述网络设备发送的第二指示信息，所述第二指示信息用于指示至少一个Unified TCI状态；所述至少一个Unified TCI状态对应有至少一个控制资源池，所述至少一个Unified TCI状态来源于所述控制资源池的控制资源池索引对应的Unified TCI状态列表中，所述控制资源池包括至少一个控制资源集。
一种实施方式中，所述第二指示信息承载在DCI中的Unified TCI指示字段中。
根据本公开实施例的第四方面，提供一种统一传输配置指示状态的确定装置，应用于网络设备，所述装置包括：发送模块，用于向终端发送第一指示信息，所述第一指示信息用于指示至少一个控制资源集的控制资源池索引；其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。
一种实施方式中，所述第一指示信息承载在媒体接入控制控制单元MAC-CE中。
一种实施方式中，所述第一指示信息包括第一信息域，所述第一信息域用于指示所述至少一个控制资源集的控制资源池索引。
一种实施方式中，所述第一信息域的不同比特开销的不同比特取值用于指示所述MAC-CE激活的不同Unified TCI状态列表。
一种实施方式中，所述第一信息域的比特开销由高层配置，或者通过协议进行约定。
一种实施方式中，所述第一信息域占用的比特为所述MAC-CE中的预留比特。
一种实施方式中，所述第一信息域占用的比特为所述MAC-CE中的一个或两个预留比特。
一种实施方式中，所述发送模块，还用于向所述终端发送的第二指示信息，所述第二指示信息用于指示至少一个Unified TCI状态；所述至少一个Unified TCI状态对应有至少 一个控制资源池，所述至少一个Unified TCI状态来源于所述控制资源池的控制资源池索引对应的Unified TCI状态列表中，所述控制资源池包括至少一个控制资源集。
一种实施方式中，所述第二指示信息承载在DCI中的Unified TCI指示字段中。
根据本公开实施例的第五方面，提供一种统一传输配置指示状态的确定装置，包括：处理器；用于存储处理器可执行指令的存储器；其中，所述处理器被配置为：执行上述第一方面及其任意一种实施方式中所述的方法。
根据本公开实施例的第六方面，提供一种统一传输配置指示状态的确定装置，包括：处理器；用于存储处理器可执行指令的存储器；其中，所述处理器被配置为：执行上述第二方面及其任意一种实施方式中所述的方法。
根据本公开实施例的第七方面，提供一种存储介质，所述存储介质中存储有指令，当所述存储介质中的指令由终端的处理器执行时，使得终端能够执行上述第一方面及其任意一种实施方式中所述的方法。
根据本公开实施例的第八方面，提供一种存储介质，所述存储介质中存储有指令，当所述存储介质中的指令由网络设备的处理器执行时，使得网络设备能够执行上述第二方面及其任意一种实施方式中所述的方法。
根据本公开实施例的第九方面，提供一种通信系统，包括终端和网络设备，其中，所述第一终端设备用于执行上述第一方面及其任意一种实施方式所述的方法；所述第二终端设备用于执行如上述第二方面及其任意一种实施方式所述的方法。
本公开的实施例提供的技术方案可以包括以下有益效果：终端通过接收网络设备发送的第一指示信息，第一指示信息用于指示至少一个控制资源集的控制资源池索引。其中，不同控制资源池索引对应不同的传输配置指示Unified TCI状态列表。因此，在M-TRP且M-DCI场景下，基于每个TRP对应的控制资源集的控制资源池索引，即可确定每个TRP对应的Unified TCI状态列表。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。
图1是根据一示例性实施例示出的一种无线通信系统示意图。
图2是根据一示例性实施例示出的一种Unified TCI状态列表的示意图。
图3是根据一示例性实施例示出的一种Unified TCI状态的确定方法的流程图。
图4是根据一示例性实施例示出的一种Unified TCI状态列表的示意图。
图5是根据一示例性实施例示出的一种Unified TCI状态列表的示意图。
图6是根据一示例性实施例示出的一种Unified TCI状态的确定方法的流程图。
图7是根据一示例性实施例示出的一种Unified TCI状态的确定方法的流程图。
图8是根据一示例性实施例示出的一种Unified TCI状态的确定方法的流程图。
图9是根据一示例性实施例示出的一种Unified TCI状态的确定装置的框图。
图10是根据一示例性实施例示出的一种Unified TCI状态的确定装置的框图。
图11是根据一示例性实施例示出的一种用于Unified TCI状态的确定装置的框图。
图12是根据一示例性实施例示出的一种用于Unified TCI状态的确定装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。
在多输入多输出(Multiple-Input Multiple-Output，MIMO)技术中，多个发送接收点(Multi Transmission Reception Point，M-TRP)为一个终端服务，使得终端的信号质量得到了更好的保障，可以满足终端高速率、高容量的业务需求。在新无线技术(New Radio，NR)中，由于不同的TRP在空间上处于不同的位置，各个TRP对应的大尺度衰落有明显差异，因此在基于M-TRP传输时，需要对不同的TRP分别指示其相应的波束信息。
相关技术中，下行波束可以通过传输配置指示(Transmission Configuration Indicator，TCI)状态进行指示，上行波束可以通过空间关系信息(Space Relation Information，SRI)进行指示。而考虑到毫米波部署中，终端的下行接收波束和上行发射波束往往是对称的，并且终端不同信道和信号间能够使用相同的波束。因此为了减少信令消耗，引入了统一传输配置指示状态(Unified Transmission Configuration Indicator，Unified TCI state)，通过Unified TCI state可以对上下行波束进行统一的指示。
相关技术中通过Unified TCI state指示上下行波束只适用于单发送接收点(Single Transmission Reception Point，S-TRP)的情况。
发明人注意到，在基于M-TRP且基于多个下行控制信令(Multi downlink control information，M-DCI)时，终端如何确定每个TRP对应的Unified TCI状态，是需要解决的问题。
本公开实施例提供的Unified TCI状态的确定方法可应用于图1所示的无线通信系统中。参阅图1所示，该无线通信系统中包括网络设备和终端。终端通过无线资源与网络设备相连接，并进行数据传输。
可以理解的是，图1所示的无线通信系统仅是进行示意性说明，无线通信系统中还可包括其它网络设备，例如还可以包括核心网设备、无线中继设备和无线回传设备等，在图1中未画出。本公开实施例对该无线通信系统中包括网络设备数量和终端数量不做限定。
进一步可以理解的是，本公开实施例无线通信系统，是一种提供无线通信功能的网络。无线通信系统可以采用不同的通信技术，例如码分多址(code division multiple access,CDMA)、宽带码分多址(wideband code division multiple access，WCDMA)、时分多址(time division multiple access，TDMA)、频分多址(frequency division multiple access，FDMA)、正交频分多址(orthogonal frequency-division multiple access，OFDMA)、单载波频分多址(single Carrier FDMA，SC-FDMA)、载波侦听多路访问/冲突避免(Carrier Sense Multiple Access with Collision Avoidance)。根据不同网络的容量、速率、时延等因素可以将网络分为2G(英文：generation)网络、3G网络、4G网络或者未来演进网络，如5G网络，5G网络也可称为是新无线网络(New Radio，NR)。为了方便描述，本公开有时会将无线通信网络简称为网络。
进一步的，本公开中涉及的网络设备也可以称为无线接入网设备。该无线接入网设备可以是：基站、演进型基站(evolved node B，基站)、家庭基站、无线保真(wireless fidelity，WIFI)系统中的接入点(access point，AP)、无线中继节点、无线回传节点、传输点(transmission point，TP)或者发送接收点(transmission and reception point，TRP)等，还可以为NR系统中的gNB，或者，还可以是构成基站的组件或一部分设备等。应理解，本公开的实施例中，对网络设备所采用的具体技术和具体设备形态不做限定。在本公开中，网络设备可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域(小区)内的终端进行通信。此外，当为车联网(V2X)通信系统时，网络设备还可以是车载设备。
进一步的，本公开中涉及的终端，也可以称为终端设备、用户设备(User Equipment，UE)、移动台(Mobile Station，MS)、移动终端(Mobile Terminal，MT)等，是一种向用户提供语音和/或数据连通性的设备，例如，终端可以是具有无线连接功能的手持式设备、车载设备等。目前，一些终端的举例为：智能手机(Mobile Phone)、客户前置设备(Customer Premise Equipment，CPE)，口袋计算机(Pocket Personal Computer，PPC)、掌上电脑、个人数字助理(Personal Digital Assistant，PDA)、笔记本电脑、平板电脑、可穿戴设备、或者车载设备等。此外，当为车联网(V2X)通信系统时，终端设备还可以是车载设备。应 理解，本公开实施例对终端所采用的具体技术和具体设备形态不做限定。
随着无线通信的不断发展，对通信能力的要求也越来越高。面向未来的增强现实(Augmented Reality，AR)/虚拟现实(Virtual Reality，VR)、车联网、物联网等应用场景，超高速率、超低时延、超大带宽通信成为常态。为了满足这一要求，越来越多的新技术被提出来。
其中，MIMO技术开启了移动通信系统空间资源开发利用的新纪元。分布式MIMO则是在传统经典MIMO技术的基础上发展而来的，拓展了传统MIMO的应用范围。分布式MIMO不但可以应用于单小区蜂窝基站系统，还可以进一步取代多小区蜂窝基站，以分布式MU-MIMO的形式构成无蜂窝移动通信系统，也就是cellfree技术。cellfree技术可以在时频资源相同的情况下为所有用户提供服务，无需进行传统意义上的小区间频率划分，且系统资源可以全方面的动态调度。这样可以改善现有系统资源配置的灵活性，大幅度提高资源的利用率。
在MIMO技术中，M-TRP为一个终端服务，使得终端的信号质量得到了更好的保障，可以满足终端高速率、高容量的业务需求。在新无线技术(New Radio，NR)中，由于不同的TRP在空间上处于不同的位置，各个TRP对应的大尺度衰落有明显差异，因此在基于M-TRP传输时，需要对不同的TRP分别指示其相应的波束信息。
相关技术中，下行波束可以通过TCI状态进行指示，上行波束可以通过SRI进行指示。而在毫米波部署中，终端的下行接收波束和上行发射波束往往是对称的，并且终端不同信道和信号间能够使用相同的波束。因此为了减少信令消耗，R17中引入了统一传输配置指示状态(Unified Transmission Configuration Indicator，Unified TCI state)，通过Unified TCI state可以对上下行波束进行统一的指示。R17中已经将Unified TCI state指示标准化，但仅支持单TRP的连接。
在多输入多输出(Multiple-Input Multiple-Output，MIMO)技术中，多个发送接收点(Multi Transmission Reception Point，M-TRP)为一个终端服务，使得终端的信号质量得到了更好的保障，可以满足终端高速率、高容量的业务需求。在新无线技术(New Radio，NR)中，由于不同的TRP在空间上处于不同的位置，各个TRP对应的大尺度衰落有明显差异，因此在基于M-TRP传输时，需要对不同的TRP分别指示其相应的波束信息。
相关技术中，下行波束可以通过传输配置指示(Transmission Configuration Indicator，TCI)状态进行指示，上行波束可以通过空间关系信息(Space Relation Information，SRI)进行指示。而考虑到毫米波部署中，终端的下行接收波束和上行发射波束往往是对称的， 并且终端不同信道和信号间能够使用相同的波束。因此为了减少信令消耗，引入了统一传输配置指示状态(Unified Transmission Configuration Indicator，Unified TCI state)，通过Unified TCI state可以对上下行波束进行统一的指示。
相关技术中通过Unified TCI state指示上下行波束只适用于单发送接收点(Single Transmission Reception Point，S-TRP)的情况。
下面对R17中针对S-TRP的Unified TCI state的指示进行说明。
网络设备通过无线资源控制(Radio Resource Control，RRC)信令为终端配置最多K个Unified TCI state，通过媒体接入控制控制单元(Medium Access Control Control Element，MAC CE)激活其中一部分，通过DCI中的Unified TCI信息域可以指示其中一个激活的Unified TCI state作为TRP的Unified TCI state。
如图2所示，图2示出了一种相关技术中MAC-CE中关于Unified TCI状态列表的格式图。
其中，Oct指八位字节，一个八位字节由八比特构成。为区分记不同字节记为Oct 1、Oct 2等。Oct1可以简称为第一字节，Oct2可以简称为第二字节等。应理解，第一字节、第二字节等仅是为区分做的命名，并不对本申请实施例的保护范围造成限定。
Severing Cell ID：指示应用MAC CE的服务小区的标识，Severing Cell ID字段的长度可以为5个比特。
DL BWP ID：该字段包含与MAC CE所适用的下行链路带宽部分相对应的ID。BWP ID由3GPP TS 38.331中规定的高层参数BWP ID给出。DL BWP ID字段的长度为2个比特。
UL BWP ID：该字段包含与MAC CE所适用的上行链路带宽部分相对应的ID。BWP ID由3GPP TS 38.331中规定的高层参数BWP ID给出。UL BWP ID字段的长度为2个比特。
R：预留比特。
Pi(取值可以为P1-P7)：指示每个Unified TCI状态组对应的Unified TCI状态。示例性的，如果Pi设为1，则表示第i组Unified TCI状态组对应联合Unified TCI状态；如果Pi设为0，则表示第i组Unified TCI状态组仅仅对应上行或者下行Unified TCI状态。
D/U：指示TCI state ID N的第N组Unified TCI状态为上行Unified TCI状态还是下行Unified TCI状态。
相关技术中通过Unified TCI state指示上下行波束只适用于S-TRP的情况。
未来，随着分布式MIMO技术的日益成熟，联合传输的TRP数量会越来越多，目前R18已经开始讨论最多4个TRP连接。因此本方案针对基于M-DCI的M-TRP场景下的unified Unified TCI state指示提出了解决方案。
基于此，本公开实施例提供一种Unified TCI状态的确定方法，终端通过接收网络设备发送的第一指示信息，第一指示信息用于指示至少一个控制资源集的控制资源池索引。其中，不同控制资源池索引对应不同的传输配置指示Unified TCI状态列表。因此，在M-TRP且M-DCI场景下，基于每个TRP对应的控制资源集的控制资源池索引，即可确定每个TRP对应的Unified TCI状态列表。
图3是根据一示例性实施例示出的一种Unified TCI状态的确定方法的流程图，如图3所示，Unified TCI状态的确定方法应用于终端中，包括以下步骤。
在步骤S11中，接收网络设备发送的第一指示信息，第一指示信息用于指示至少一个控制资源集的控制资源池索引。
其中，不同控制资源池索引对应不同的Unified TCI状态列表。
一种实施方式中，控制资源池索引与Unified TCI状态列表具有对应关系。一个Unified TCI状态列表包含不同Unified TCI状态组对应的Unified TCI状态；其中不同的Unified TCI状态组可以对应不同的Unified TCI状态。不同的Unified TCI状态组可以对应不同的Unified TCI状态是指，不同的Unified TCI状态组对应的Unified TCI状态全都不相同，或是部分的Unified TCI状态组对应不同的Unified TCI状态，而另外一部分Unified TCI状态组对应相同的Unified TCI状态。
在本公开实施例中，终端通过接收网络设备发送的第一指示信息，第一指示信息用于指示至少一个控制资源集的控制资源池索引。其中，不同控制资源池索引对应不同的传输配置指示Unified TCI状态列表。因此，在M-TRP且M-DCI场景下，基于每个TRP对应的控制资源集的控制资源池索引，即可确定每个TRP对应的Unified TCI状态列表。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一指示信息承载在MAC-CE中。在本公开实施例中，通过MAC-CE承载第一指示信息，减少信令开销。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一指示信息包括第一信息域，第一信息域用于指示至少一个控制资源集的控制资源池索引。
在本公开实施例中，通过在MAC-CE中新增用于指示至少一个控制资源集的控制资源池索引的信息域，使得控制资源池索引能够与Unified TCI状态列表关联起来，从而基于TRP的控制资源池索引，能够确定TRP所对应的Unified TCI状态列表。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一信息域的不同比特开 销的不同比特取值用于指示MAC-CE激活的不同Unified TCI状态列表。
一示例性实施例中，响应于第一信息域的比特开销为1比特，第一信息域的比特取值为第一值(例如0)时，第一信息域指示MAC-CE激活的第一Unified TCI状态列表；第一信息域的比特取值为第二值(例如1)时，第一信息域指示MAC-CE激活的第二Unified TCI状态列表。
另一示例性实施例中，响应于第一信息域的比特开销为2比特，第一信息域的比特取值为第一值(例如00)时，第一信息域指示MAC-CE激活的第一Unified TCI状态列表；第一信息域的比特取值为第二值(例如01)时，第一信息域指示MAC-CE激活的第二Unified TCI状态列表；第一信息域的比特取值为第三值(例如10)时，第一信息域指示MAC-CE激活的第三Unified TCI状态列表；第一信息域的比特取值为第四值(例如11)时，第一信息域指示MAC-CE激活的第四Unified TCI状态列表。
在本公开实施例中，第一信息域的不同比特开销的不同比特取值表示不同的控制资源池索引，不同的控制资源池索引对应不同的控制资源池，不同的控制资源池对应不同的Unified TCI状态列表。
一示例性实施例中，响应于第一信息域的比特开销为1比特，第一信息域的比特取值为第一值(例如0)，也即控制资源池索引为第一值(例如0)，对应CORESET_0，对应第一Unified TCI状态列表；第一信息域的比特取值为第二值(例如1)时，也即控制资源池索引为第二值(例如1)，对应CORESET_1，对应第二Unified TCI状态列表。
在本公开实施例中，基于第一信息域的不同比特开销的不同比特取值用于指示MAC-CE激活的不同Unified TCI状态列表，从而确定与第一信息域指示的至少一个控制资源集的控制资源池索引关联的TRP对应的Unified TCI状态列表，提高基于Unified TCI状态的M-TRP传输的信号质量。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一信息域的比特开销由高层配置，或者通过协议进行约定。
在本公开实施例中，当高层配置或协议约定了第一信息域的比特开销，基于第一信息域的比特开销即可隐式的确定终端支持连接的最大TRP数量。
一示例性实施例中，若第一信息域的比特开销为1比特，则可确定终端支持连接的最大TRP数量为2。
另一示例性实施例中，若第一信息域的比特开销为2比特，则可确定终端支持连接的最大TRP数量为4。
又一示例性实施例中，若第一信息域的比特开销为3比特，则可确定终端支持连接的 最大TRP数量为8。
本公开实施例中的第一信息域的比特开销除上述示例性实施例外还可以包括其他比特开销，本公开实施例在此不做限定。
一些实施例中，第一信息域的比特开销为
Figure PCTCN2022130177-appb-000001
个比特，其中，M为终端支持连接的最大TRP数量。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一信息域占用的比特为MAC-CE中的预留比特。在本公开实施例中，通过第一信息域占用的比特为MAC-CE中的预留比特，减少MAC-CE的信令开销。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一信息域占用的比特为MAC-CE中的一个或两个预留比特。
一示例性实施例中，如图4所示，响应于第一信息域占用的比特位MAC-CE中的一个预留比特，该一个预留比特的位置可以位于MAC-CE中第一个字节的首个预留比特。
另一示例性实施例中，如图5所示，响应于第一信息域占用的比特位MAC-CE中的两个预留比特，该两个预留比特的位置可以位于MAC-CE中第二个字节的第一个预留比特和第二预留比特。
在本公开实施例提供的一种Unified TCI状态的确定方法中，接收网络设备发送的第二指示信息，第二指示信息用于指示至少一个Unified TCI状态，基于Unified TCI状态对应的控制资源池索引，确定第二指示信息指示的Unified TCI状态来自的Unified TCI状态表格。
如图6所示，图6是根据一示例性实施例示出的一种Unified TCI状态的确定方法的流程图，包括以下步骤。
在步骤S21中，接收网络设备发送的第二指示信息，第二指示信息用于指示至少一个Unified TCI状态。
其中，至少一个Unified TCI状态对应有至少一个控制资源池，至少一个Unified TCI状态来源于控制资源池的控制资源池索引对应的Unified TCI状态列表中，控制资源池包括至少一个控制资源集。
一示例性实施例中，第二指示信息指示的Unified TCI状态对应的控制资源池的控制资源池索引为1，则第二指示信息指示的Unified TCI状态来自控制资源池索引为1对应的Unified TCI状态列表。
在本公开实施例中，终端接收到第二指示信息，基于第二指示信息指示的至少一个Unified TCI状态确定其对应的控制资源池索引，则第二指示信息指示的至少一个Unified  TCI状态来自至少一个Unified TCI状态对应的控制资源池索引对应的Unified TCI状态列表。从而由于每个控制资源池索引具有对应的TRP，基于本公开实施例的方式可以确定在M-DCI场景下，多个TRP中每个TRP对应的Unified TCI状态列表。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第二指示信息承载在DCI中的TCI指示字段中。
在本公开实施例提供的一种Unified TCI状态的确定方法中，Unified TCI状态包括上下行联合TCI状态，或，独立TCI状态。
在一些实施例中，第一指示信息还包括第三信息域，第三信息域用于指示独立TCI状态为上行TCI状态还是下行TCI状态。
需要说明的是，如图6所示的实施例可以单独被实施，即：如图6所示的实施例单独被实施的时候，终端设备可以接收网络设备发送的用于指示至少一个Unified TCI状态的第二指示信息；而是否需要激活的不同控制资源池索引对应的Unified TCI状态列表，或是采用何种方式激活的不同控制资源池索引对应的Unified TCI状态列表，本公开实施例并不对此做出限定。如图6所示的实施例也可以结合本公开的其他实施例一起被实施，例如结合如图3所示的实施例一起被实施；即：终端设备可以接收网络设备发送的用于指示至少一个控制资源集的控制资源池索引的第一指示消息，其中不同控制资源池索引对应不同的Unified TCI状态列表；且终端设备还接收网络设备发送的用于指示至少一个Unified TCI状态的第二指示信息。在本公开实施例中，第一指示消息和第二指示消息可以承载在不同的信令中；例如第一指示消息承载在MAC CE中且第二指示消息承载在DCI或是RRC或其他信令中。当然，第一指示消息和第二指示消息也可以承载在相同的信令中，本公开实施例并不对此做出限定。
图7是根据一示例性实施例示出的一种Unified TCI状态的确定方法的流程图，如图7所示，Unified TCI状态的确定方法应用于网络设备中，包括以下步骤。
在步骤S31中，向终端发送的第一指示信息，第一指示信息用于指示至少一个控制资源集的控制资源池索引。
其中，不同控制资源池索引对应不同的Unified TCI状态列表。
一种实施方式中，控制资源池索引与Unified TCI状态列表具有对应关系。一个Unified TCI状态列表包含不同Unified TCI状态组对应的Unified TCI状态。具体的解释可以参考步骤S11中的解释，相同的内容在此不再赘述。
在本公开实施例中，终端通过接收网络设备发送的第一指示信息，第一指示信息用于指示至少一个控制资源集的控制资源池索引。其中，不同控制资源池索引对应不同的传输 配置指示Unified TCI状态列表。因此，在M-TRP且M-DCI场景下，基于每个TRP对应的控制资源集的控制资源池索引，即可确定每个TRP对应的Unified TCI状态列表。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一指示信息承载在MAC-CE中。在本公开实施例中，通过规定第一指示信息承载在MAC-CE中，减少信令开销。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一指示信息包括第一信息域，第一信息域用于指示至少一个控制资源集的控制资源池索引。
在本公开实施例中，通过在MAC-CE中新增用于指示至少一个控制资源集的控制资源池索引的信息域，使得控制资源池索引能够与Unified TCI状态列表关联起来，从而基于TRP的控制资源池索引，能够确定TRP所对应的Unified TCI状态列表。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一信息域的不同比特开销的不同比特取值用于指示MAC-CE激活的不同Unified TCI状态列表。具体的解释可以参考步骤S11中的解释，相同的内容在此不再赘述。
一示例性实施例中，响应于第一信息域的比特开销为1比特，第一信息域的比特取值为0时，第一信息域指示MAC-CE激活的第一Unified TCI状态列表；第一信息域的比特取值为1时，第一信息域指示MAC-CE激活的第二Unified TCI状态列表。
另一示例性实施例中，响应于第一信息域的比特开销为2比特，第一信息域的比特取值为00时，第一信息域指示MAC-CE激活的第一Unified TCI状态列表；第一信息域的比特取值为01时，第一信息域指示MAC-CE激活的第二Unified TCI状态列表；第一信息域的比特取值为10时，第一信息域指示MAC-CE激活的第三Unified TCI状态列表；第一信息域的比特取值为11时，第一信息域指示MAC-CE激活的第四Unified TCI状态列表。
在本公开实施例中，第一信息域的不同比特开销的不同比特取值表示不同的控制资源池索引，不同的控制资源池索引对应不同的控制资源池，不同的控制资源池对应不同的Unified TCI状态列表。
一示例性实施例中，响应于第一信息域的比特开销为1比特，第一信息域的比特取值为0，也即控制资源池索引为0，对应CORESET_0，对应第一Unified TCI状态列表；第一信息域的比特取值为1时，也即控制资源池索引为1，对应CORESET_1，对应第二Unified TCI状态列表。
在本公开实施例中，基于第一信息域的不同比特开销的不同比特取值用于指示MAC-CE激活的不同Unified TCI状态列表，从而确定与第一信息域指示的至少一个控制资源集的控制资源池索引关联的TRP对应的Unified TCI状态列表。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一信息域的比特开销由高层配置，或者通过协议进行约定。
在本公开实施例中，当高层配置或协议约定了第一信息域的比特开销，基于第一信息域的比特开销即可隐式的确定终端支持连接的最大TRP数量。
一示例性实施例中，若第一信息域的比特开销为1比特，则可确定终端支持连接的最大TRP数量为2。
另一示例性实施例中，若第一信息域的比特开销为2比特，则可确定终端支持连接的最大TRP数量为4。
又一示例性实施例中，若第一信息域的比特开销为3比特，则可确定终端支持连接的最大TRP数量为8。
本公开实施例中的第一信息域的比特开销除上述示例性实施例外还可以包括其他比特开销，本公开实施例在此不做限定。
一些实施例中，第一信息域的比特开销为
Figure PCTCN2022130177-appb-000002
个比特，其中，M为终端支持连接的最大TRP数量。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一信息域占用的比特为MAC-CE中的预留比特。
在本公开实施例中，通过规定第一信息域占用的比特为MAC-CE中的预留比特，减少MAC-CE的信令开销。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第一信息域占用的比特为MAC-CE中的一个或两个预留比特。
一示例性实施例中，响应于第一信息域占用的比特位MAC-CE中的一个预留比特，该一个预留比特的位置可以位于MAC-CE中第一个字节的首个预留比特。
另一示例性实施例中，响应于第一信息域占用的比特位MAC-CE中的两个预留比特，该两个预留比特的位置可以位于MAC-CE中第二个字节的第一个预留比特和第二预留比特。
在本公开实施例提供的一种Unified TCI状态的确定方法中，网络设备向终端发送第二指示信息，第二指示信息用于指示至少一个Unified TCI状态，终端基于Unified TCI状态对应的控制资源池索引，确定第二指示信息指示的Unified TCI状态来自的Unified TCI状态表格。
图8是根据一示例性实施例示出的一种Unified TCI状态的确定方法的流程图，如图8所示，包括以下步骤。
在步骤S41中，向终端发送的第二指示信息，第二指示信息用于指示至少一个Unified TCI状态。
其中，至少一个Unified TCI状态对应有至少一个控制资源池，至少一个Unified TCI状态来源于控制资源池的控制资源池索引对应的Unified TCI状态列表中，控制资源池包括至少一个控制资源集。
一示例性实施例中，第二指示信息指示的Unified TCI状态对应的控制资源池的控制资源池索引为1，则第二指示信息指示的Unified TCI状态来自控制资源池索引为1对应的Unified TCI状态列表。
在本公开实施例中，终端接收到第二指示信息，基于第二指示信息指示的至少一个Unified TCI状态确定其对应的控制资源池索引，则第二指示信息指示的至少一个Unified TCI状态来自至少一个Unified TCI状态对应的控制资源池索引对应的Unified TCI状态列表。从而由于每个控制资源池索引具有对应的TRP，基于本公开实施例的方式可以确定在M-DCI场景下，多个TRP中每个TRP对应的Unified TCI状态列表。
在本公开实施例提供的一种Unified TCI状态的确定方法中，第二指示信息承载在DCI中的Unified TCI指示字段中。
在本公开实施例提供的一种Unified TCI状态的确定方法中，Unified TCI状态包括上下行联合TCI状态，或，独立TCI状态。
在一些实施例中，第一指示信息还包括第三信息域，第三信息域用于指示独立TCI状态为上行TCI状态还是下行TCI状态。
需要说明的是，如图8所示的实施例可以单独被实施，即：如图8所示的实施例单独被实施的时候，网络设备可以向终端发送用于指示至少一个Unified TCI状态的第二指示信息；而是否需要激活的不同控制资源池索引对应的Unified TCI状态列表，或是采用何种方式激活的不同控制资源池索引对应的Unified TCI状态列表，本公开实施例并不对此做出限定。如图8所示的实施例也可以结合本公开的其他实施例一起被实施，例如结合如图7所示的实施例一起被实施；即：网络设备向终端发送用于指示至少一个控制资源集的控制资源池索引的第一指示消息，其中不同控制资源池索引对应不同的Unified TCI状态列表；且网络设备还可以向终端设备发送用于指示至少一个Unified TCI状态的第二指示信息。在本公开实施例中，第一指示消息和第二指示消息可以承载在不同的信令中；例如第一指示消息承载在MAC CE中且第二指示消息承载在DCI或是RRC或其他信令中。当然，第一指示消息和第二指示消息也可以承载在相同的信令中，本公开实施例并不对此做出限定。
需要说明的是，本领域内技术人员可以理解，本公开实施例上述涉及的各种实施方式 /实施例中可以配合前述的实施例使用，也可以是独立使用。无论是单独使用还是配合前述的实施例一起使用，其实现原理类似。本公开实施中，部分实施例中是以一起使用的实施方式进行说明的。当然，本领域内技术人员可以理解，这样的举例说明并非对本公开实施例的限定。
基于相同的构思，本公开实施例还提供一种Unified TCI状态的确定装置。
可以理解的是，本公开实施例提供的Unified TCI状态的确定装置为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。结合本公开实施例中所公开的各示例的单元及算法步骤，本公开实施例能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。本领域技术人员可以对每个特定的应用来使用不同的方法来实现所描述的功能，但是这种实现不应认为超出本公开实施例的技术方案的范围。
图9是根据一示例性实施例示出的一种Unified TCI状态的确定装置框图。参照图9，该装置包括接收模块101。该Unified TCI状态的确定装置100应用于终端中。
该接收模块101，被配置为接收网络设备发送的第一指示信息，第一指示信息用于指示至少一个控制资源集的控制资源池索引；其中，不同控制资源池索引对应不同的传输配置指示Unified TCI状态列表。
一种实施方式中，第一指示信息承载在媒体接入控制控制单元MAC-CE中。
一种实施方式中，第一指示信息包括第一信息域，所述第一信息域用于指示所述至少一个控制资源集的控制资源池索引。
一种实施方式中，第一信息域的不同比特开销的不同比特取值用于指示所述MAC-CE激活的不同Unified TCI状态列表。
一种实施方式中，第一信息域的比特开销由高层配置，或者通过协议进行约定。
一种实施方式中，第一信息域占用的比特为所述MAC-CE中的预留比特。
一种实施方式中，第一信息域占用的比特为所述MAC-CE中的一个或两个预留比特。
一种实施方式中，接收模块101，还被配置为接收网络设备发送的第二指示信息，所述第二指示信息用于指示至少一个Unified TCI状态；至少一个Unified TCI状态对应有至少一个控制资源池，至少一个Unified TCI状态来源于所述控制资源池的控制资源池索引对应的Unified TCI状态列表中，控制资源池包括至少一个控制资源集。
一种实施方式中，第二指示信息承载在DCI中的Unified TCI指示字段中。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
图10是根据一示例性实施例示出的一种Unified TCI状态的确定装置框图。参照图10，该装置包括发送模块201。该Unified TCI状态的确定装置200应用于终端中。
发送模块201，用于向终端发送第一指示信息，第一指示信息用于指示至少一个控制资源集的控制资源池索引；其中，不同控制资源池索引对应不同的传输配置指示Unified TCI状态列表。
一种实施方式中，第一指示信息承载在媒体接入控制控制单元MAC-CE中。
一种实施方式中，第一指示信息包括第一信息域，所述第一信息域用于指示至少一个控制资源集的控制资源池索引。
一种实施方式中，第一信息域的不同比特开销的不同比特取值用于指示MAC-CE激活的不同Unified TCI状态列表。
一种实施方式中，第一信息域的比特开销由高层配置，或者通过协议进行约定。
一种实施方式中，第一信息域占用的比特为MAC-CE中的预留比特。
一种实施方式中，第一信息域占用的比特为MAC-CE中的一个或两个预留比特。
一种实施方式中，发送模块201，还被配置为向终端发送的第二指示信息，第二指示信息用于指示至少一个Unified TCI状态；至少一个Unified TCI状态对应有至少一个控制资源池，至少一个Unified TCI状态来源于控制资源池的控制资源池索引对应的Unified TCI状态列表中，控制资源池包括至少一个控制资源集。
一种实施方式中，第二指示信息承载在DCI中的Unified TCI指示字段中。
其中，需要说明的是，本公开实施例涉及的Unified TCI状态的确定装置100和Unified TCI状态的确定装置200中涉及的各个模块/单元，仅是进行示例性说明，并不引以为限。例如，本公开实施例中的Unified TCI状态的确定装置100还可以包括发送单元和/或处理单元。Unified TCI状态的确定装置200还可以包括接收单元和/或处理单元。其中，Unified TCI状态的确定装置100和Unified TCI状态的确定装置200中所包括的各单元之间可以进行交互，也可以与其他网元设备进行交互。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述，此处将不做详细阐述说明。
图11是根据一示例性实施例示出的一种Unified TCI的确定装置的框图。例如，装置300可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图11，装置300可以包括以下一个或多个组件：处理组件302，存储器304，电力组件306，多媒体组件308，音频组件310，输入/输出(I/O)接口312，传感器组件314， 以及通信组件316。
处理组件302通常控制装置300的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件302可以包括一个或多个处理器320来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件302可以包括一个或多个模块，便于处理组件302和其他组件之间的交互。例如，处理组件302可以包括多媒体模块，以方便多媒体组件308和处理组件302之间的交互。
存储器304被配置为存储各种类型的数据以支持在装置300的操作。这些数据的示例包括用于在装置300上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器304可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电力组件306为装置300的各种组件提供电力。电力组件306可以包括电源管理系统，一个或多个电源，及其他与为装置300生成、管理和分配电力相关联的组件。
多媒体组件308包括在所述装置300和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件308包括一个前置摄像头和/或后置摄像头。当装置300处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件310被配置为输出和/或输入音频信号。例如，音频组件310包括一个麦克风(MIC)，当装置300处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器304或经由通信组件316发送。在一些实施例中，音频组件310还包括一个扬声器，用于输出音频信号。
I/O接口312为处理组件302和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件314包括一个或多个传感器，用于为装置300提供各个方面的状态评估。例如，传感器组件314可以检测到装置300的打开/关闭状态，组件的相对定位，例如所述 组件为装置300的显示器和小键盘，传感器组件314还可以检测装置300或装置300一个组件的位置改变，用户与装置300接触的存在或不存在，装置300方位或加速/减速和装置300的温度变化。传感器组件314可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件314还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件314还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件316被配置为便于装置300和其他设备之间有线或无线方式的通信。装置300可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件316经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信组件316还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置300可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器304，上述指令可由装置300的处理器320执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图12是根据一示例性实施例示出的一种Unified TCI的确定装置的框图。例如，装置400可以被提供为一网络设备。参照图12，装置400包括处理组件422，其进一步包括一个或多个处理器，以及由存储器432所代表的存储器资源，用于存储可由处理组件422的执行的指令，例如应用程序。存储器432中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外，处理组件422被配置为执行指令，以执行上述方法。
装置400还可以包括一个电源组件426被配置为执行装置400的电源管理，一个有线或无线网络接口450被配置为将装置400连接到网络，和一个输入输出(I/O)接口458。装置400可以操作基于存储在存储器432的操作系统，例如Windows ServerTM，Mac OS XTM，UnixTM,LinuxTM，FreeBSDTM或类似。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器432，上述指令可由装置400的处理组件422执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁 带、软盘和光数据存储设备等。
进一步可以理解的是，本公开中“多个”是指两个或两个以上，其它量词与之类似。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
进一步可以理解的是，本公开中涉及到的“响应于”“如果”等词语的含义取决于语境以及实际使用的场景，如在此所使用的词语“响应于”可以被解释成为“在……时”或“当……时”或“如果”或“若”。
进一步可以理解的是，术语“第一”、“第二”等用于描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开，并不表示特定的顺序或者重要程度。实际上，“第一”、“第二”等表述完全可以互换使用。例如，在不脱离本公开范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。
进一步可以理解的是，本公开实施例中尽管在附图中以特定的顺序描述操作，但是不应将其理解为要求按照所示的特定顺序或是串行顺序来执行这些操作，或是要求执行全部所示的操作以得到期望的结果。在特定环境中，多任务和并行处理可能是有利的。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利范围来限制。

Claims (25)

  1. 一种统一传输配置指示状态的确定方法，其特征在于，应用于终端，所述方法包括：
    接收网络设备发送的第一指示信息，所述第一指示信息用于指示至少一个控制资源集的控制资源池索引；
    其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。
  2. 根据权利要求1所述的方法，其特征在于，所述第一指示信息承载在媒体接入控制控制单元MAC-CE中。
  3. 根据权利要求2所述的方法，其特征在于，所述第一指示信息包括第一信息域，所述第一信息域用于指示所述至少一个控制资源集的控制资源池索引。
  4. 根据权利要求3所述的方法，其特征在于，所述第一信息域的不同比特开销的不同比特取值用于指示所述MAC-CE激活的不同Unified TCI状态列表。
  5. 根据权利要求4所述的方法，其特征在于，所述第一信息域的比特开销由高层配置，或者通过协议进行约定。
  6. 根据权利要求3至5中任意一项所述的方法，其特征在于，所述第一信息域占用的比特为所述MAC-CE中的预留比特。
  7. 根据权利要求6所述的方法，其特征在于，所述第一信息域占用的比特为所述MAC-CE中的一个或两个预留比特。
  8. 根据权利要求1至7中任意一项所述的方法，其特征在于，所述方法还包括：
    接收所述网络设备发送的第二指示信息，所述第二指示信息用于指示至少一个Unified TCI状态；
    所述至少一个Unified TCI状态对应有至少一个控制资源池，所述至少一个Unified TCI状态来源于所述控制资源池的控制资源池索引对应的Unified TCI状态列表中，所述控制资源池包括至少一个控制资源集。
  9. 根据权利要求8所述的方法，其特征在于，所述第二指示信息承载在DCI中的Unified TCI指示字段中。
  10. 一种统一传输配置指示状态的确定方法，其特征在于，应用于网络设备，所述方法包括：
    向终端发送第一指示信息，所述第一指示信息用于指示至少一个控制资源集的控制资源池索引；
    其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。
  11. 根据权利要求10所述的方法，其特征在于，所述第一指示信息承载在媒体接入控制控制单元MAC-CE中。
  12. 根据权利要求11所述的方法，其特征在于，所述第一指示信息包括第一信息域，所述第一信息域用于指示所述至少一个控制资源集的控制资源池索引。
  13. 根据权利要求12所述的方法，其特征在于，所述第一信息域的不同比特开销的不同比特取值用于指示所述MAC-CE激活的不同Unified TCI状态列表。
  14. 根据权利要求13所述的方法，其特征在于，所述第一信息域的比特开销由高层配置，或者通过协议进行约定。
  15. 根据权利要求12至14中任意一项所述的方法，其特征在于，所述第一信息域占用的比特为所述MAC-CE中的预留比特。
  16. 根据权利要求15所述的方法，其特征在于，所述第一信息域占用的比特为所述MAC-CE中的一个或两个预留比特。
  17. 根据权利要求10至16中任意一项所述的方法，其特征在于，所述方法还包括：
    向所述终端发送的第二指示信息，所述第二指示信息用于指示至少一个Unified TCI状态；
    所述至少一个Unified TCI状态对应有至少一个控制资源池，所述至少一个Unified TCI状态来源于所述控制资源池的控制资源池索引对应的Unified TCI状态列表中，所述控制资源池包括至少一个控制资源集。
  18. 根据权利要求17所述的方法，其特征在于，所述第二指示信息承载在DCI中的Unified TCI指示字段中。
  19. 一种统一传输配置指示状态的确定装置，其特征在于，应用于终端，所述装置包括：
    接收模块，用于接收网络设备发送的第一指示信息，所述第一指示信息用于指示至少一个控制资源集的控制资源池索引；
    其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。
  20. 一种统一传输配置指示状态的确定装置，其特征在于，应用于网络设备，所述装置包括：
    发送模块，用于向终端发送第一指示信息，所述第一指示信息用于指示至少一个控制资源集的控制资源池索引；
    其中，不同控制资源池索引对应不同的统一传输配置指示Unified TCI状态列表。
  21. 一种通信装置，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：执行权利要求1至9中任意一项所述的方法。
  22. 一种通信装置，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：执行权利要求10至18中任意一项所述的方法。
  23. 一种存储介质，其特征在于，所述存储介质中存储有指令，当所述存储介质中的指令由终端的处理器执行时，使得终端能够执行权利要求1至9中任意一项所述的方法。
  24. 一种存储介质，其特征在于，所述存储介质中存储有指令，当所述存储介质中的指令由网络设备的处理器执行时，使得网络设备能够执行权利要求10至18中任意一项所述的方法。
  25. 一种通信系统，包括终端和网络设备，其中，
    所述终端用于执行如权利要求1至9中任意一项所述的方法；
    所述网络设备用于执行如权利要求10至18中任意一项所述的方法。
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