WO2023010428A1 - Procédé de configuration de quasi-localisation, procédé de détermination d'informations de quasi-localisation et dispositif associé - Google Patents

Procédé de configuration de quasi-localisation, procédé de détermination d'informations de quasi-localisation et dispositif associé Download PDF

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Publication number
WO2023010428A1
WO2023010428A1 PCT/CN2021/110942 CN2021110942W WO2023010428A1 WO 2023010428 A1 WO2023010428 A1 WO 2023010428A1 CN 2021110942 W CN2021110942 W CN 2021110942W WO 2023010428 A1 WO2023010428 A1 WO 2023010428A1
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ssb
index
trs
quasi
bitmap
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PCT/CN2021/110942
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English (en)
Chinese (zh)
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刘洋
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北京小米移动软件有限公司
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Priority to PCT/CN2021/110942 priority Critical patent/WO2023010428A1/fr
Priority to CN202180002397.6A priority patent/CN113767696A/zh
Publication of WO2023010428A1 publication Critical patent/WO2023010428A1/fr

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams

Definitions

  • the present application relates to the field of communication technologies, and in particular to a quasi-co-location configuration method, a method for determining quasi-co-location QCL information, and a device thereof.
  • TRS for idle UE The QCL (Quasi Co-Loacted, quasi-co-located) configuration issue involved in the tracking reference signal (TRS for idle UE) of the terminal equipment in the idle state is still under discussion.
  • the configured beam of the tracking reference signal of the terminal device in the idle state may not be consistent with the narrow beam corresponding to a single SSB (Synchronization signal block, synchronization signal block).
  • TRS for idle UE may be a wide beam configuration, that is, a set of beams corresponding to multiple SSB indexes (indexes).
  • the signaling overhead for the QCL configuration of the tracking reference signal in the idle state of the terminal equipment is too large.
  • the embodiment of the present application provides a quasi-co-location configuration method, a quasi-co-location QCL information determination method and a device thereof, which can be applied to a 5G NR (5G new radio, 5G new air interface) network system, by configuring and tracking according to the index of the SSB
  • the quasi-co-located QCL relationship between the reference signal TRS and the SSB can save signaling overhead, thereby saving equipment power and avoiding resource waste.
  • the embodiment of the present application provides a quasi-co-location configuration method, the method is applied to a network device, and the method includes:
  • the index of the synchronization signal block SSB configure the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB; wherein, the beamwidth corresponding to the TRS is greater than or equal to the beamwidth corresponding to the SSB.
  • configuring the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB according to the index of the synchronization signal block SSB includes: configuring the SSB corresponding to the TRS according to the index of the SSB The start and end indexes of .
  • configuring the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB according to the index of the synchronization signal block SSB includes: according to the index of the SSB, based on a bitmap of a preset number of bits Configure the quasi-co-located QCL relationship between the TRS and the SSB.
  • the preset number is eight.
  • the quasi-co-located QCL between the TRS and the SSB is configured based on a bitmap with a preset number of bits according to the index of the SSB relationships, including:
  • the bit in the bitmap is used to represent the index of the SSB, and the bit value of each bit in the bitmap It is used to indicate the quasi-co-located QCL relationship between the TRS and the SSB.
  • the quasi-co-located QCL between the TRS and the SSB is configured based on a bitmap with a preset number of bits relationships, including:
  • the index of each bit in the bitmap is used to represent the quasi-co-located QCL relationship between the TRS and the SSB.
  • the TRS is configured for multiple resources;
  • the configuration of the quasi-co-location QCL relationship between the tracking reference signal TRS and the SSB according to the index of the synchronization signal block SSB includes:
  • For each TRS resource configure the quasi-co-location QCL relationship between the TRS resource and the SSB according to the index of the synchronization signal block SSB.
  • the method further includes:
  • the tracking reference signal (TRS for idle UE) of the terminal equipment in the idle state is configured with a wide beam, that is, the beam width for the TRS is greater than or equal to the beam width corresponding to the SSB, it can be based on the SSB Indexes are used to configure the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB, which can save signaling overhead, thereby saving device power and avoiding resource waste.
  • an embodiment of the present application provides a method for determining quasi-co-location QCL information, the method is applied to a terminal device, and the method includes:
  • the beamwidth corresponding to the TRS is greater than or equal to the beamwidth corresponding to the SSB;
  • a QCL reference signal of the TRS or the SSB is determined according to the QCL relationship.
  • the tracking reference signal (TRS for idle UE) of the terminal equipment in the idle state is configured with a wide beam, that is, the beam width for TRS is greater than or equal to the beam width corresponding to SSB
  • the index of the SSB is used to configure the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB, which can save signaling overhead, thereby saving device power and avoiding resource waste.
  • the embodiment of this application provides a communication device, which has some or all of the functions of the network equipment in the method described in the first aspect above, for example, the functions of the communication device may have part or all of the functions in this application
  • the functions in the embodiments may also have the functions of independently implementing any one of the embodiments in the present application.
  • the functions described above may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform corresponding functions in the foregoing method.
  • the transceiver module is used to support communication between the communication device and other equipment.
  • the communication device may further include a storage module, which is used to be coupled with the transceiver module and the processing module, and stores necessary computer programs and data of the communication device.
  • the processing module may be a processor
  • the transceiver module may be a transceiver or a communication interface
  • the storage module may be a memory
  • the embodiment of the present application provides another communication device, which has some or all functions of the terminal equipment in the method example described in the second aspect above, for example, the communication device may have some of the functions in this application Or the functions in all the embodiments may also have the function of implementing any one embodiment in the present application alone.
  • the functions described above may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform corresponding functions in the foregoing method.
  • the transceiver module is used to support communication between the communication device and other devices.
  • the communication device may further include a storage module, which is used to be coupled with the transceiver module and the processing module, and stores necessary computer programs and data of the communication device.
  • the processing module may be a processor
  • the transceiver module may be a transceiver or a communication interface
  • the storage module may be a memory
  • an embodiment of the present application provides a communication device, where the communication device includes a processor, and when the processor invokes a computer program in a memory, it executes the method described in the first aspect above.
  • an embodiment of the present application provides a communication device, where the communication device includes a processor, and when the processor invokes a computer program in a memory, it executes the method described in the second aspect above.
  • the embodiment of the present application provides a communication device, the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
  • the embodiment of the present application provides a communication device, the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the second aspect above.
  • the embodiment of the present application provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the The device executes the method described in the first aspect above.
  • the embodiment of the present application provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the The device executes the method described in the second aspect above.
  • the embodiment of the present application provides a communication system, the system includes the communication device described in the third aspect and the communication device described in the fourth aspect, or the system includes the communication device described in the fifth aspect and The communication device described in the sixth aspect, or, the system includes the communication device described in the seventh aspect and the communication device described in the eighth aspect, or, the system includes the communication device described in the ninth aspect and the communication device described in the tenth aspect the communication device described above.
  • the embodiment of the present invention provides a computer-readable storage medium, which is used to store instructions used by the above-mentioned terminal equipment, and when the instructions are executed, the terminal equipment executes the above-mentioned first aspect. method.
  • an embodiment of the present invention provides a readable storage medium for storing instructions used by the above-mentioned network equipment, and when the instructions are executed, the network equipment executes the method described in the above-mentioned second aspect .
  • the present application further provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in the first aspect above.
  • the present application further provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in the second aspect above.
  • the present application provides a computer program that, when run on a computer, causes the computer to execute the method described in the first aspect above.
  • the present application provides a computer program that, when run on a computer, causes the computer to execute the method described in the second aspect above.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a flow chart of a quasi-co-location configuration method provided by an embodiment of the present application
  • FIG. 3 is a flow chart of another quasi-co-location configuration method provided by an embodiment of the present application.
  • FIG. 4 is a flow chart of another quasi-co-location configuration method provided in an embodiment of the present application.
  • FIG. 5 is a flow chart of a method for determining quasi-co-located QCL information provided in an embodiment of the present application
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • TRS for idle UE may be a wide beam configuration, that is, a set of beams corresponding to multiple SSB indexes (indexes).
  • the signaling overhead for the QCL configuration of the tracking reference signal in the idle state of the terminal equipment is too large.
  • this application proposes a quasi-co-location configuration method, a quasi-co-location QCL information determination method and a device thereof, to be applied in a 5G NR network system, by configuring the tracking reference signal TRS and SSB according to the index of the SSB
  • the quasi-co-location QCL relationship can save signaling overhead, thereby saving device power and avoiding resource waste.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include, but is not limited to, a network device and a terminal device.
  • the number and form of the devices shown in Figure 1 are for example only and do not constitute a limitation to the embodiment of the application. In practical applications, two or more network equipment, two or more terminal equipment.
  • the communication system shown in FIG. 1 includes one network device 101 and one terminal device 102 as an example.
  • LTE long term evolution
  • 5th generation 5th generation
  • 5G new radio new radio, NR
  • other future new mobile communication systems etc.
  • the network device 101 in the embodiment of the present application is an entity on the network side for transmitting or receiving signals.
  • the network device 101 may be an evolved base station (evolved NodeB, eNB), a transmission point (transmission reception point, TRP), a next generation base station (next generation NodeB, gNB) in an NR system, or a base station in other future mobile communication systems Or an access node in a wireless fidelity (wireless fidelity, WiFi) system, etc.
  • eNB evolved NodeB
  • TRP transmission reception point
  • gNB next generation base station
  • gNB next generation NodeB
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the network device.
  • the network device provided by the embodiment of the present application may be composed of a centralized unit (central unit, CU) and a distributed unit (distributed unit, DU), wherein the CU may also be called a control unit (control unit), using CU-DU
  • the structure of the network device such as the protocol layer of the base station, can be separated, and the functions of some protocol layers are placed in the centralized control of the CU, and the remaining part or all of the functions of the protocol layer are distributed in the DU, and the CU centrally controls the DU.
  • the terminal device 102 in the embodiment of the present application is an entity on the user side for receiving or transmitting signals, such as a mobile phone.
  • the terminal equipment may also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT) and so on.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control (industrial control), wireless terminal equipment in self-driving (self-driving), wireless terminal equipment in remote medical surgery (remote medical surgery), smart grid ( Wireless terminal devices in smart grid, wireless terminal devices in transportation safety, wireless terminal devices in smart city, wireless terminal devices in smart home, etc.
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the terminal device.
  • FIG. 2 is a flowchart of a quasi-co-location configuration method provided by an embodiment of the present application. It should be noted that the quasi-co-location configuration method in the embodiment of the present application can be applied to network devices. As shown in FIG. 2 , the quasi-co-location configuration method may include but not limited to the following steps.
  • Step 201 according to the index of the synchronization signal block SSB, configure the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB; wherein, the beamwidth corresponding to the TRS is greater than or equal to the beamwidth corresponding to the SSB.
  • the QCL (Quasi Co-Loacted, quasi-co-located) configuration issue involved in the tracking reference signal (TRS for idle UE) of the terminal equipment in the idle state is still under discussion.
  • the beam configured for TRS for idle UE may not be the same as a single
  • the narrow beam corresponding to SSB is consistent.
  • a beam corresponding to a TRS may be an equivalent beam formed by combining multiple beams appearing in the SSB.
  • the network device in the embodiment of the present application can configure the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB according to the index of the SSB, that is, it can tell For the terminal equipment UE, each TRS corresponds to which of the many beams of the SSB, so as to save signaling overhead, thereby saving equipment power and avoiding waste of resources.
  • a network device configures a quasi-co-located QCL relationship between a TRS and an SSB, it points out all SSB indexes corresponding to the TRS. For example, assuming that the index set of SSB includes index 0, index 1, index 2, index 3, index 4, index 5, index 6, and index 7, for a beam corresponding to a TRS, it is assumed that the beam corresponding to the TRS is composed of index 0, The beam composition corresponding to index 1, index 2, and index 3.
  • the network device indicates that the beam corresponding to SSB index 0, SSB index 1, SSB index 2, and SSB index 3 corresponds to the beam of the TRS, so as to configure the TRS
  • the QCL relationship with SSB it can be seen that in the prior art, when the network device is configured, SSB index 0, SSB index 1, SSB index 2 and SSB index 3 are all written in the signaling, occupying the signaling resources, making the signaling overhead too large.
  • FIG. 3 is a flowchart of another quasi-co-location configuration method provided in an embodiment of the present application. It should be noted that the quasi-co-location configuration method in the embodiment of the present application can be applied to network devices. As shown in FIG. 3 , the quasi-co-location configuration method in this embodiment of the present application may include but not limited to the following steps.
  • Step 301 configure the start index and end index of the SSB corresponding to the TRS according to the SSB index of the synchronization signal block; wherein, the beam width corresponding to the TRS is greater than or equal to the beam width corresponding to the SSB.
  • the network device in the embodiment of the present application can configure the start index and end index of the SSB corresponding to the TRS, so that the beam can be clearly configured through the start index and end index of the SSB.
  • the width of the TRS beam can be configured.
  • index 0 can be configured as the starting index for a beam corresponding to a TRS, and index 3 as the end index, the beams corresponding to SSB index 0, SSB index 1, SSB index 2 and SSB index 3 are combined to form the beam of the TRS, that is, through SSB index 0, SSB index 1, SSB index 2 and SSB index 3
  • the width of the corresponding TRS beam is explicitly configured.
  • the quasi-co-location configuration method may further include step 302 .
  • step 302 the configured QCL relationship between the TRS and the SSB may be sent to the terminal device. That is to say, the network device can send the configured QCL relationship between the TRS and SSB to the terminal device, so that the terminal device can determine the QCL reference signal of the TRS or SSB according to the QCL relationship.
  • the TRS is configured as multiple resources, and for each TRS resource, the quasi-co-location QCL relationship between the TRS resource and the SSB can be configured according to the index of the synchronization signal block SSB. For example, taking the configuration mode of using the start index and end index of SSB to configure the QCL relationship between TRS and SSB as an example, for multiple TRS resource configurations, the SSB corresponding to each TRS resource can be configured separately start index and end index.
  • index 0 can be configured As the SSB start index corresponding to the first TRS resource, index 3 is used as the SSB end index corresponding to the first TRS resource, configuration index 4 is used as the SSB start index corresponding to the second TRS resource, and index 5 is used as the second TRS resource.
  • the SSB end index corresponding to the resource, the beams corresponding to SSB index 0, SSB index 1, SSB index 2 and SSB index 3 are combined to form the beam of the first TRS resource, that is, through SSB index 0, SSB index 1, SSB index 2 and SSB index 3 clearly configure the width of the beam corresponding to the first TRS resource; the beam beams corresponding to SSB index 4 and SSB index 5 are combined to form the beam of the second TRS resource, that is, explicitly configured by SSB
  • the network device in the embodiment of the present application can clearly configure the width of the TRS beam through the start index and end index of the SSB, which can make While the index value written in the signaling is reduced, the relationship between the TRS and the SSB can also be guaranteed, so that the signaling overhead can be further saved, thereby further saving the power of the device and avoiding resource waste.
  • the network device will send the actually sent SSB index to the terminal device in the form of a bitmap.
  • the maximum is 8 bits; but for the frequency range FR2, the maximum is 64 bitmaps. Therefore, for FR2, if full bitmap is used in the configuration of TRS for idle, the signaling overhead is too large; especially in the case of multiple (such as n) TRS resources may be configured in FR2, the signaling overhead will be 64* n.
  • a bitmap with a preset number of bits can be used to configure the quasi-co-location QCL relationship between the TRS and the SSB. In an implementation manner, FIG.
  • the quasi-co-location configuration method in the embodiment of the present application can be applied to network devices. As shown in FIG. 4 , the quasi-co-location configuration method in this embodiment of the present application may include but not limited to the following steps.
  • Step 401 according to the index of the synchronization signal block SSB, configure the quasi-co-located QCL relationship between the TRS and the SSB based on a preset number of bitmaps; wherein, the beamwidth corresponding to the TRS is greater than or equal to the beamwidth corresponding to the SSB.
  • the preset number may be eight.
  • the tracking reference signal (TRS for idle UE) of the terminal equipment in the idle state is configured with a wide beam, that is, the beam width for the TRS is greater than or equal to the beam width corresponding to the SSB, for example, when multiple SSBs appear
  • the quasi-co-location QCL relationship between the TRS and the SSB can be configured through a bitmap containing 8 bits.
  • each bit (bit) in the bitmap can be 0 or 1
  • "1" represents the beam beam of the SSB corresponding to the index number, so that a TRS beam can be known through a series of 8-digit numbers
  • the beam is composed of several SSB beams, which can greatly save signaling overhead, thereby further saving device power and avoiding resource waste.
  • bitmap consisting of 8 bits is only an example for the convenience of those skilled in the art to understand the solution of this application, that is to say, this application
  • the number of bits in the bitmap involved in the embodiment may not be 8, for example, may be less than 8, or may be greater than 8, which can be negotiated and stipulated according to the actual application situation, and this application does not specify this limited.
  • the network device can configure the bit value of each bit in the bitmap according to the index of the SSB; wherein, the bits in the bitmap are used to represent The index of the SSB, the bit value of each bit in the bitmap is used to represent the quasi-co-located QCL relationship between the TRS and the SSB.
  • the network device can place the corresponding bit in the bitmap according to index 0, index 1, index 2, and index 3
  • the bit value of the bitmap is configured as 1, and the bit values corresponding to other bits in the bitmap are configured as 0.
  • the bitmap composed of 8 bits can be configured as "11110000", where the first bit in the bitmap to The fourth bit corresponds to index 0, index 1, index 2, and index 3 respectively, and the bit values of the first to fourth bits are 1, indicating that the beam corresponding to index 0, index 1, index 2, and index 3 corresponds to the TRS beam, thereby realizing the configuration of the QCL relationship between the TRS and the SSB.
  • the TRS is configured with multiple resources, and for each TRS resource, the network device configures the quasi-co-location QCL relationship between the TRS resource and the SSB according to the index of the synchronization signal block SSB.
  • the network device can According to the index of the SSB, the bit value of each bit in different bitmaps is respectively configured.
  • the bitmap consists of 8 bits
  • the index set of SSB includes index 0, index 1, index 2, index 3, index 4, index 5, index 6, and index 7, assuming that there is a first TRS resource and The second TRS resource is configured.
  • the beam corresponding to the first TRS resource is composed of beams corresponding to index 0, index 1, index 2, and index 3.
  • the beam corresponding to the second TRS resource is composed of index 4, index 5, and index 6.
  • the network device can configure the first bitmap corresponding to the first TRS resource according to index 0, index 1, index 2, and index 3, and the bit value of the corresponding bit in the first bitmap is configured as 1.
  • the bit values corresponding to other bits in the first bitmap are configured as 0.
  • the first bitmap composed of 8 bits can be configured as "11110000", where the first bit in the first bitmap The first to fourth bits correspond to index 0, index 1, index 2, and index 3 respectively, and the bit values of the first to fourth bits are 1, indicating that the beams corresponding to index 0, index 1, index 2, and index 3 correspond to the TRS beam; the network device can configure the second bitmap corresponding to the second TRS resource according to index 4, index 5, and index 6, and the bit value of the corresponding bit in the second bitmap is configured as 1, and the second bitmap
  • the bit values corresponding to other bits in the two-bit map are configured as 0, for example, the second bit map composed of 8 bits can be configured as "00001110", wherein the fifth to seventh bits in the second bit map Corresponding to index 4, index 5, and index 6 respectively, the bit values of the fifth to seventh bits are 1, indicating that the beam corresponding to index 4, index 5, and index 6 corresponds to the beam of the TRS, thus realizing different TRS resources Configuration of QCL relationship with SSB.
  • the network device can divide the SSB index set into a preset number of combinations; configure the bit value of each bit in the bitmap; wherein, the bitmap Each bit in is used to indicate the index of the SSB in the corresponding combination, and the bit value of each bit in the bitmap is used to indicate the quasi-co-located QCL relationship between the TRS and the SSB.
  • the network device may divide the SSB index set into 8 groups, and configure the bit value of each bit in the 8-bit bitmap, where , each bit in the bitmap is used to indicate the index of the SSB in the corresponding combination, and the bit value of each bit in the bitmap is used to indicate the quasi-co-located QCL relationship between the TRS and the SSB.
  • the bitmap consists of 8 bits
  • the index set of the SSB includes index 0, index 1, index 2, ..., index 62, index 63 which are 64
  • the network device can divide the index set of the SSB into 8 combinations, wherein the first combination includes index 0 to index 7, the second combination includes index 8 to index 15, and the third combination includes index 16-index 23, the fourth combination includes index 24-index 31, the fifth combination includes index 32-index 39, the sixth combination includes index 40-index 47, and the seventh combination Index 48 to index 55 are included in the eighth combination, and index 56 to index 63 are included in the eighth combination.
  • the network device can according to the relationship between the index 24 ⁇ index 31 and the corresponding combination, the The bit value on the corresponding bit is configured as 1, and the bit value corresponding to other bits in the bitmap is configured as 0.
  • the bitmap composed of 8 bits can be configured as "00010000", where the bitmap No.
  • the four bits correspond to the fourth combination, the fourth combination includes index 24 to index 31, and the bit value on the fourth bit is 1, indicating that the beam beam corresponding to index 24 to index 31 corresponds to the beam of the TRS, so as to realize configuration of the QCL relationship between the TRS and the SSB. It can be seen that by grouping the index sets of SSBs and using bitmaps to indicate which beams corresponding to the groups are in the beams of the TRS, signaling overhead can be greatly reduced, thereby further saving device power and avoiding waste of resources.
  • the TRS is configured with multiple resources, and for each TRS resource, the network device configures the quasi-co-location QCL relationship between the TRS resource and the SSB according to the index of the synchronization signal block SSB.
  • the network device can According to the index of the SSB, the bit value of each bit in different bitmaps is respectively configured.
  • the bitmap consists of 8 bits
  • the index set of the SSB includes index 0, index 1, index 2, ..., index 62, index 63 which are 64
  • the network device can divide the index set of the SSB into 8 combinations, wherein the first combination includes index 0 to index 7, the second combination includes index 8 to index 15, and the third combination includes index 16-index 23, the fourth combination includes index 24-index 31, the fifth combination includes index 32-index 39, the sixth combination includes index 40-index 47, and the seventh combination Index 48 to index 55 are included in the eighth combination, and index 56 to index 63 are included in the eighth combination.
  • the network device can configure the bit value of the corresponding bit in the first bitmap as 1 according to the relationship between index 24 ⁇ index 31 and the corresponding combination, and the bit value corresponding to other bits in the first bitmap
  • the value is configured as 0, for example, the first bitmap composed of 8 bits can be configured as "00010000", where the fourth bit in the first bitmap corresponds to the fourth combination, the fourth combination contains For indexes 24 to 31, the fourth bit has a bit value of 1, indicating that beams corresponding to indexes 24 to 31 correspond to beams of the first TRS.
  • the network device can configure the bit value of the corresponding bit in the second bitmap as 1 according to the relationship between index 40-index 47 and the corresponding combination, and configure the bit value corresponding to other bits in the second bitmap as 0, for example, the second bitmap consisting of 8 bits can be configured as "00000100", wherein the sixth bit in the second bitmap corresponds to the sixth combination, and the sixth combination includes indexes 40 ⁇
  • the sixth bit has a bit value of 1, indicating that the beams corresponding to indexes 40 to 47 correspond to the beams of the second TRS, thereby realizing the configuration of the QCL relationship between different TRSs and SSBs. It can be seen that by grouping the index sets of SSBs and using bitmaps to indicate which beams corresponding to the groups are in the beams of the TRS, signaling overhead can be greatly reduced, thereby further saving device power and avoiding waste of resources.
  • the grouping method of the SSB index set in the embodiment of the present application is only an example description given for the convenience of those skilled in the art to understand the solution, that is to say, it can also be based on pre-negotiated The grouping method is specified.
  • the SSB index sets can be grouped into 8 groups, and the number of indexes in each group can be the same or different, which is not specifically limited in this application.
  • the quasi-co-location configuration method may further include step 402 .
  • step 402 the configured QCL relationship between the TRS and the SSB may be sent to the terminal device. That is to say, the network device can send the configured QCL relationship between the TRS and SSB to the terminal device, so that the terminal device can determine the QCL reference signal of the TRS or SSB according to the QCL relationship.
  • FIG. 5 is a flowchart of a method for determining quasi-co-location QCL information provided by an embodiment of the present application. It should be noted that the method for determining quasi-co-located QCL information in the embodiment of the present application can be applied to a terminal device. As shown in FIG. 5 , the method for determining quasi-co-located QCL information may include but not limited to the following steps.
  • Step 501 receiving the quasi-co-located QCL relationship between the tracking reference signal TRS and the synchronization signal block SSB configured by the network device.
  • the beamwidth corresponding to the TRS is greater than or equal to the beamwidth corresponding to the SSB.
  • the network device can configure the quasi-co-location QCL relationship between the tracking reference signal TRS and the SSB according to the index of the synchronization signal block SSB.
  • the network device can configure the start index and end index of the SSB corresponding to the TRS according to the index of the synchronization signal block SSB; wherein, the beamwidth corresponding to the TRS is greater than or equal to Beamwidth corresponding to SSB.
  • the network device in the embodiment of the present application can configure the start index and end index of the SSB corresponding to the TRS, so that the beam can be clearly configured through the start index and end index of the SSB.
  • the width of the TRS beam can be configured.
  • index 0 can be configured as the starting index for a beam corresponding to a TRS, and index 3 as the end index, the beams corresponding to SSB index 0, SSB index 1, SSB index 2 and SSB index 3 are combined to form the beam of the TRS, that is, through SSB index 0, SSB index 1, SSB index 2 and SSB index 3
  • the width of the corresponding TRS beam is explicitly configured.
  • the network device can configure the quasi-co-location QCL relationship between the TRS and the SSB based on the bitmap of a preset number of bits according to the index of the synchronization signal block SSB; wherein, the TRS The corresponding beam width is greater than or equal to the beam width corresponding to the SSB.
  • the preset number may be 8.
  • the network device can configure the quasi-co-located QCL relationship between the TRS and the SSB through a bitmap containing 8 bits.
  • each bit (bit) in the bitmap can be 0 or 1
  • "1" represents the beam beam of the SSB corresponding to the index number, so that a TRS beam can be known through a series of 8-digit numbers
  • the beam is composed of several SSB beams, which can greatly save signaling overhead, thereby further saving device power and avoiding resource waste.
  • the network device can configure the bit value of each bit in the bitmap according to the index of the SSB; wherein, the bits in the bitmap are used to represent The index of the SSB, the bit value of each bit in the bitmap is used to represent the quasi-co-located QCL relationship between the TRS and the SSB.
  • the network device can place the corresponding bit in the bitmap according to index 0, index 1, index 2, and index 3
  • the bit value of the bitmap is configured as 1, and the bit values corresponding to other bits in the bitmap are configured as 0.
  • the bitmap composed of 8 bits can be configured as "11110000", where the first bit in the bitmap to The fourth bit corresponds to index 0, index 1, index 2, and index 3 respectively, and the bit values of the first to fourth bits are 1, indicating that the beam corresponding to index 0, index 1, index 2, and index 3 corresponds to the TRS beam, thereby realizing the configuration of the QCL relationship between the TRS and the SSB.
  • the network device can divide the SSB index set into a preset number of combinations; configure the bit value of each bit in the bitmap; wherein, the bitmap Each bit in is used to indicate the index of the SSB in the corresponding combination, and the bit value of each bit in the bitmap is used to indicate the quasi-co-located QCL relationship between the TRS and the SSB.
  • the network device may divide the SSB index set into 8 groups, and configure the bit value of each bit in the 8-bit bitmap, where , each bit in the bitmap is used to indicate the index of the SSB in the corresponding combination, and the bit value of each bit in the bitmap is used to indicate the quasi-co-located QCL relationship between the TRS and the SSB.
  • the bitmap consists of 8 bits
  • the index set of the SSB includes index 0, index 1, index 2, ..., index 62, index 63 which are 64
  • the network device can divide the index set of the SSB into 8 combinations, wherein the first combination includes index 0 to index 7, the second combination includes index 8 to index 15, and the third combination includes index 16-index 23, the fourth combination includes index 24-index 31, the fifth combination includes index 32-index 39, the sixth combination includes index 40-index 47, and the seventh combination Index 48 to index 55 are included in the eighth combination, and index 56 to index 63 are included in the eighth combination.
  • the network device can according to the relationship between the index 24 ⁇ index 31 and the corresponding combination, the The bit value on the corresponding bit is configured as 1, and the bit value corresponding to other bits in the bitmap is configured as 0.
  • the bitmap composed of 8 bits can be configured as "00010000", where the bitmap No.
  • the four bits correspond to the fourth combination, the fourth combination includes index 24 to index 31, and the bit value on the fourth bit is 1, indicating that the beam beam corresponding to index 24 to index 31 corresponds to the beam of the TRS, so as to realize configuration of the QCL relationship between the TRS and the SSB. It can be seen that by grouping the index sets of SSBs and using bitmaps to indicate which beams corresponding to the groups are in the beams of the TRS, signaling overhead can be greatly reduced, thereby further saving device power and avoiding waste of resources.
  • Step 502 determine the QCL reference signal of TRS or SSB.
  • the tracking reference signal (TRS for idle UE) of the terminal device in the idle state is configured as a wide beam, that is, the beam width for the TRS is greater than or equal to the beam width corresponding to the SSB
  • the network device Configuring the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB according to the index of the SSB can save signaling overhead, thereby saving device power and avoiding waste of resources.
  • the methods provided in the embodiments of the present application are introduced from the perspectives of the terminal device and the network device respectively.
  • the network device and the terminal device may include a hardware structure and a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above-mentioned functions may be implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • FIG. 6 is a schematic structural diagram of a communication device 600 provided in an embodiment of the present application.
  • the communication device 600 shown in FIG. 6 may include a processing module 601 and a transceiver module 602 .
  • the transceiver module 602 may include a sending module and/or a receiving module, the sending module is used to realize the sending function, the receiving module is used to realize the receiving function, and the sending and receiving module 602 can realize the sending function and/or the receiving function.
  • the communication device 600 may be a network device, may also be a device in the network device, and may also be a device that can be matched and used with the network device.
  • the communication device 600 may be a terminal device, may also be a device in the terminal device, and may also be a device that can be matched and used with the terminal device.
  • the communication device 600 is a network device: in the embodiment of the present application, the processing module 601 is used to configure the quasi-co-located QCL relationship between the tracking reference signal TRS and the SSB according to the index of the synchronization signal block SSB; wherein, the beamwidth corresponding to the TRS Greater than or equal to the beamwidth corresponding to the SSB.
  • the processing module 601 is specifically configured to: configure the start index and end index of the SSB corresponding to the TRS according to the SSB index.
  • the processing module 601 is specifically configured to: configure the quasi-co-located QCL relationship between the TRS and the SSB based on a bitmap with a preset number of bits according to the index of the SSB.
  • the preset number is eight.
  • the processing module 601 is specifically configured to: configure the bit value of each bit in the bitmap according to the index of the SSB; wherein, in the bitmap The bit of is used to indicate the index of the SSB, and the bit value of each bit in the bitmap is used to indicate the quasi-co-located QCL relationship between the TRS and the SSB.
  • the processing module 601 is specifically configured to: divide the SSB index set into a preset number of combinations; configure the bit value of each bit in the bitmap ; Wherein, each bit in the bitmap is used to indicate the index of the SSB in the corresponding combination, and the bit value of each bit in the bitmap is used to indicate the quasi-co-located QCL relationship between the TRS and the SSB.
  • the TRS is configured for multiple resources; the transceiver module 602 is specifically configured to: for each TRS resource, configure the quasi-co-location QCL relationship between the TRS resource and the SSB according to the index of the synchronization signal block SSB.
  • the transceiving module 602 is configured to send the configured QCL relationship between the TRS and the SSB to the terminal device.
  • the communication device 600 is a terminal device: in the embodiment of the present application, the transceiver module 602 is used to receive the quasi-co-located QCL relationship between the tracking reference signal TRS and the synchronization signal block SSB configured by the network device; wherein, the beamwidth corresponding to the TRS is larger than Or equal to the beamwidth corresponding to the SSB; the processing module 601 is used to determine the QCL reference signal of the TRS or SSB according to the QCL relationship.
  • FIG. 7 is a schematic structural diagram of another communication device 70 provided in an embodiment of the present application.
  • the communication device 70 may be a network device, may also be a terminal device, may also be a chip, a chip system, or a processor that supports the network device to implement the above method, or may be a chip, a chip system, or a chip that supports the terminal device to implement the above method. processor etc.
  • the device can be used to implement the methods described in the above method embodiments, and for details, refer to the descriptions in the above method embodiments.
  • Communications device 70 may include one or more processors 701 .
  • the processor 701 may be a general-purpose processor or a special-purpose processor or the like. For example, it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processing unit can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs , to process data for computer programs.
  • the communication device 70 may further include one or more memories 702, on which a computer program 704 may be stored, and the processor 701 executes the computer program 704, so that the communication device 70 executes the method described in the above method embodiment. method.
  • data may also be stored in the memory 702 .
  • the communication device 70 and the memory 702 can be set separately or integrated together.
  • the communication device 70 may further include a transceiver 705 and an antenna 706 .
  • the transceiver 705 may be called a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement a transceiver function.
  • the transceiver 705 may include a receiver and a transmitter, and the receiver may be called a receiver or a receiving circuit for realizing a receiving function; the transmitter may be called a transmitter or a sending circuit for realizing a sending function.
  • the communication device 70 may further include one or more interface circuits 707 .
  • the interface circuit 707 is used to receive code instructions and transmit them to the processor 701 .
  • the processor 701 executes the code instructions to enable the communication device 70 to execute the methods described in the foregoing method embodiments.
  • the communication device 70 is a network device: the transceiver 705 is used to execute step 302 in FIG. 3 ; and execute step 402 in FIG. 4 .
  • the processor 701 is configured to execute step 201 in FIG. 2 ; execute step 301 in FIG. 3 ; and execute step 401 in FIG. 4 .
  • the communication device 70 is a terminal device: the transceiver 705 is used to execute step 501 in FIG. 5 .
  • the processor 701 is configured to execute step 502 in FIG. 5 .
  • the processor 701 may include a transceiver for implementing receiving and sending functions.
  • the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits for realizing the functions of receiving and sending can be separated or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface or interface circuit may be used for signal transmission or transfer.
  • the processor 701 may store a computer program 703 , and the computer program 703 runs on the processor 701 to enable the communication device 70 to execute the methods described in the foregoing method embodiments.
  • the computer program 703 may be solidified in the processor 701, and in this case, the processor 701 may be implemented by hardware.
  • the communication device 70 may include a circuit, and the circuit may implement the function of sending or receiving or communicating in the foregoing method embodiments.
  • the processors and transceivers described in this application can be implemented in integrated circuits (integrated circuits, ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed-signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board, PCB), electronic equipment, etc.
  • the processor and transceiver can also be fabricated using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (bipolar junction transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS nMetal-oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device (such as the first terminal device in the foregoing method embodiments), but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device can be Not limited by Figure 7.
  • a communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • a set of one or more ICs may also include storage components for storing data and computer programs;
  • ASIC such as modem (Modem);
  • the embodiment of the present application also provides a system for determining the duration of the side link.
  • the system includes the communication device as the terminal device and the communication device as the network device in the aforementioned embodiment in FIG.
  • the present application also provides a readable storage medium on which instructions are stored, and when the instructions are executed by a computer, the functions of any of the above method embodiments are realized.
  • the present application also provides a computer program product, which implements the functions of any one of the above method embodiments when executed by a computer.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product comprises one or more computer programs. When the computer program is loaded and executed on the computer, all or part of the processes or functions according to the embodiments of the present application will be generated.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices.
  • the computer program can be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program can be downloaded from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (for example, a solid state disk (solid state disk, SSD)) etc.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a high-density digital video disc (digital video disc, DVD)
  • a semiconductor medium for example, a solid state disk (solid state disk, SSD)
  • At least one in this application can also be described as one or more, and multiple can be two, three, four or more, and this application does not make a limitation.
  • the technical feature is distinguished by "first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in the “first”, “second”, “third”, “A”, “B”, “C” and “D” have no sequence or order of magnitude among the technical features described.
  • the corresponding relationships shown in the tables in this application can be configured or predefined.
  • the values of the information in each table are just examples, and may be configured as other values, which are not limited in this application.
  • the corresponding relationship shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, for example, splitting, merging, and so on.
  • the names of the parameters shown in the titles of the above tables may also adopt other names understandable by the communication device, and the values or representations of the parameters may also be other values or representations understandable by the communication device.
  • other data structures can also be used, for example, arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables can be used wait.
  • Predefined in this application can be understood as defining, predefining, storing, prestoring, prenegotiating, preconfiguring, curing, or prefiring.

Abstract

La présente invention concerne, selon un mode de réalisation, un procédé de configuration de quasi-co-localisation (QCL), un procédé de détermination d'informations QCL et un dispositif associé, qui peuvent être appliqués à un système de réseau NR 5G. Le procédé comprend les étapes suivantes : un dispositif réseau configure une relation QCL entre un signal de référence de suivi (TRS) et un bloc de signal de synchronisation (SSB) en fonction d'un indice du SSB, la largeur de faisceau correspondant au TRS étant supérieure ou égale à la largeur de faisceau correspondant au SSB. La mise en œuvre du mode de réalisation de la présente invention peut économiser du surdébit de traitement, ce qui permet de réduire la consommation d'énergie du dispositif et d'éviter le gaspillage de ressources.
PCT/CN2021/110942 2021-08-05 2021-08-05 Procédé de configuration de quasi-localisation, procédé de détermination d'informations de quasi-localisation et dispositif associé WO2023010428A1 (fr)

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CN202180002397.6A CN113767696A (zh) 2021-08-05 2021-08-05 准共址配置方法、准共址qcl信息确定方法及其装置

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