WO2023201730A1 - Procédé et appareil de transmission de capacité d'équipement utilisateur, et support de stockage lisible - Google Patents

Procédé et appareil de transmission de capacité d'équipement utilisateur, et support de stockage lisible Download PDF

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Publication number
WO2023201730A1
WO2023201730A1 PCT/CN2022/088589 CN2022088589W WO2023201730A1 WO 2023201730 A1 WO2023201730 A1 WO 2023201730A1 CN 2022088589 W CN2022088589 W CN 2022088589W WO 2023201730 A1 WO2023201730 A1 WO 2023201730A1
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WIPO (PCT)
Prior art keywords
intra
carrier aggregation
user equipment
band
network device
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PCT/CN2022/088589
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English (en)
Chinese (zh)
Inventor
周锐
郭胜祥
Original Assignee
北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/088589 priority Critical patent/WO2023201730A1/fr
Priority to CN202280001244.4A priority patent/CN114938704A/zh
Publication of WO2023201730A1 publication Critical patent/WO2023201730A1/fr

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    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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

Definitions

  • the present disclosure relates to wireless communication technology, and in particular, to a method, device and readable storage medium for transmitting user equipment capabilities.
  • CA Carrier Aggregation
  • CC component carriers
  • Carrier aggregation technology is divided into inter-band carrier aggregation (inter-band CA) and intra-band carrier aggregation (intra-band CA) according to the frequency band where the carrier is located. According to the base station corresponding to the aggregated component carrier, it is divided into co-located (collocated). ) and non-collocated (non-collocated) two types.
  • the user equipment When intra-band non-collocated CA is applied, the user equipment will perform carrier aggregation downlink reception and uplink transmission for base stations in different locations in the same frequency band.
  • intra-band co-located carrier aggregation intra-band collocated CA
  • intra-band non-collocated CA intra-band non-collocated CA
  • the present disclosure provides a method, device and readable storage medium for transmitting user equipment capabilities.
  • the first aspect provides a method for sending user equipment capabilities, which is executed by the user equipment, including:
  • the intra-frequency band carrier aggregation type is an intra-frequency band co-location type or an intra-frequency band non-co-location type;
  • the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • the method further includes:
  • determining the intra-band carrier aggregation type includes:
  • the intra-band carrier aggregation type is determined to be the intra-band carrier aggregation type indicated by the first information.
  • the method further includes:
  • determining the intra-band carrier aggregation type includes:
  • the intra-band carrier aggregation type is determined according to the first downlink reference signal and the second downlink reference signal.
  • determining the intra-band carrier aggregation type based on the first downlink reference signal and the second downlink reference signal includes:
  • the received power difference between the first downlink reference signal and the second downlink reference signal is: the power level of the first downlink reference signal is different from the power level of the second downlink reference signal The difference in power levels.
  • determining the intra-band carrier aggregation type based on the received power difference includes:
  • the intra-band carrier aggregation type In response to the received power difference being greater than or equal to the set threshold, determining the intra-band carrier aggregation type to be the intra-band non-co-located type;
  • the intra-band carrier aggregation type is determined to be the intra-band co-location type.
  • sending capability indication information to the first network device includes:
  • the maxNumberMIMO-LayersPDSCH is used to indicate the maximum number of MIMO layers corresponding to each carrier in co-located carrier aggregation within the frequency band.
  • sending capability indication information to the first network device includes:
  • the maxNumberMIMO-LayersPDSCH-noncollocated is used to indicate the maximum number of MIMO layers corresponding to each carrier in non-co-located carrier aggregation within the frequency band.
  • MIMO scheduling information configured based on the capability indication information and sent by the first network device is received.
  • the second aspect provides a method for receiving user equipment capabilities, which is executed by the first network device, including:
  • Receive capability indication information sent by the user equipment where the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • the method further includes:
  • the configuration signaling includes first information, where the first information is used to indicate an intra-band carrier aggregation type.
  • the method further includes:
  • receiving the capability indication information sent by the user equipment includes:
  • the maxNumberMIMO-LayersPDSCH is used to indicate the maximum number of MIMO layers corresponding to each carrier in co-located carrier aggregation within the frequency band.
  • receiving the capability indication information sent by the user equipment includes:
  • the maxNumberMIMO-LayersPDSCH-noncollocated is used to indicate the maximum number of MIMO layers corresponding to each carrier in non-co-located carrier aggregation within the frequency band.
  • MIMO scheduling information configured based on the capability indication information is sent to the user equipment.
  • a communication device may be used to perform the steps performed by the user equipment in the above-mentioned first aspect or any possible design of the first aspect.
  • the user equipment can implement each function in the above methods through a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device shown in the first aspect may include a processing module and a transceiver module.
  • a processing module configured to determine an intra-frequency band carrier aggregation type; wherein the intra-frequency band carrier aggregation type is an intra-frequency band co-location type or an intra-frequency band non-co-location type;
  • the transceiver module is configured to send capability indication information to the first network device, where the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • a fourth aspect provides a communication device.
  • the communication device may be used to perform the steps performed by the network device in the above-mentioned second aspect or any possible design of the second aspect.
  • the network device can implement each function in the above methods through a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device shown in the second aspect may include a transceiver module.
  • the transceiver module is configured to receive capability indication information sent by the user equipment, where the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • an electronic device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to realize the first aspect or any possibility of the first aspect. the design of.
  • a communication device including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to realize the second aspect or any possibility of the second aspect. the design of.
  • a computer-readable storage medium In a seventh aspect, a computer-readable storage medium is provided. Instructions (or computer programs, programs) are stored in the computer-readable storage medium. When called and executed on a computer, the computer is caused to execute the first aspect. or any possible design of the first aspect.
  • a computer-readable storage medium is provided. Instructions (or computer programs, programs) are stored in the computer-readable storage medium. When called and executed on a computer, the computer is caused to execute the second aspect. or any possible design of the second aspect.
  • the user equipment determines the intra-band carrier aggregation type and sends capability indication information to the first network device to indicate the maximum number of MIMO layers supported by each component carrier corresponding to the corresponding intra-band carrier aggregation type. , enabling the first network device to configure corresponding and reasonable MIMO scheduling information according to the capabilities of the user equipment, thereby improving the utilization of wireless resources.
  • Figure 1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure
  • Figure 2 is a schematic diagram of a transmission user equipment capability provided by an embodiment of the present disclosure
  • Figure 3 is a schematic diagram of another transmission user equipment capability provided by an embodiment of the present disclosure.
  • Figure 4 is a flow chart of a method for transmitting user equipment capabilities provided by an embodiment of the present disclosure
  • Figure 5 is a flow chart of another method for transmitting user equipment capabilities provided by an embodiment of the present disclosure.
  • Figure 6 is a flow chart of another method of sending user equipment capabilities provided by an embodiment of the present disclosure.
  • Figure 7 is a flow chart of a method for receiving user equipment capabilities provided by an embodiment of the present disclosure.
  • Figure 8 is a flow chart of another method of receiving user equipment capabilities provided by an embodiment of the present disclosure.
  • Figure 9 is a structural diagram of an apparatus for transmitting user equipment capabilities provided by an embodiment of the present disclosure.
  • Figure 10 is a structural diagram of another device for transmitting user equipment capabilities provided by an embodiment of the present disclosure.
  • Figure 11 is a structural diagram of a device for receiving user equipment capabilities provided by an embodiment of the present disclosure.
  • Figure 12 is a structural diagram of another device for receiving user equipment capabilities provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • a method for transmitting user equipment capabilities can be applied to a wireless communication system 100, which may include but is not limited to a network device 101 and a user equipment 102.
  • the user equipment 102 is configured to support carrier aggregation, and the user equipment 102 can be connected to multiple carrier units of the network device 101, including a primary carrier unit and one or more secondary carrier units.
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • WiMAX global Internet microwave access
  • CRAN cloud radio access network
  • 5G fifth generation
  • 5G new wireless (new radio, NR) communication system
  • PLMN public land mobile network
  • the user equipment 102 shown above can be a user equipment (UE), a terminal, an access terminal, a terminal unit, a terminal station, a mobile station (MS), a remote station, a remote terminal, a mobile terminal ( mobile terminal), wireless communication equipment, terminal agent or user equipment, etc.
  • the user equipment 102 may have a wireless transceiver function, which can communicate (such as wireless communication) with one or more network devices 101 of one or more communication systems, and accept network services provided by the network device 101.
  • the network device 101 Including but not limited to the base station shown in the figure.
  • the user equipment 102 may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) device, Handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, user equipment in future 5G networks or user equipment in future evolved PLMN networks, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device 101 may be an access network device (or access network site).
  • access network equipment refers to equipment that provides network access functions, such as wireless access network (radio access network, RAN) base stations and so on.
  • Network equipment may specifically include base station (BS) equipment, or include base station equipment and wireless resource management equipment used to control base station equipment, etc.
  • the network equipment may also include relay stations (relay equipment), access points, and base stations in future 5G networks, base stations in future evolved PLMN networks, or NR base stations, etc.
  • Network devices can be wearable devices or vehicle-mounted devices.
  • the network device may also be a communication chip with a communication module.
  • the network device 101 includes but is not limited to: the next generation base station (gNodeB, gNB) in 5G, the evolved node B (evolved node B, eNB) in the LTE system, the radio network controller (radio network controller, RNC), Node B (NB) in the WCDMA system, wireless controller under the CRAN system, base station controller (BSC), base transceiver station (BTS) in the GSM system or CDMA system, Home base station (for example, home evolved node B, or home node B, HNB), baseband unit (baseband unit, BBU), transmission point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP) or mobile switching center wait.
  • the next generation base station gNodeB, gNB
  • the evolved node B evolved node B
  • eNB evolved node B
  • eNB evolved node B
  • RNC radio network controller
  • NB Node B
  • BSC base transceiver station
  • Home base station for
  • the different carriers used will have different MIMO capabilities supported by different carriers due to differences in geographical location of the base station relative to the user equipment and differences in transmission path losses.
  • the user equipment can report the maximum number of MIMO layers supported by each carrier in the same frequency band through maxNumberMIMO-LayersPDSCH.
  • a single frequency band can support up to 4 MIMO layers.
  • the number of MIMO layers that the user equipment can support is related to the number of antennas of the user equipment and the layout parameters of the antennas.
  • the number of user equipment reaching the base station increases.
  • the path effect also changes accordingly, so even within the same frequency band, the number of MIMO layers that user equipment can support may be different.
  • the network still performs MIMO scheduling for terminals based on the number of MIMO layers supported under co-location, it may cause the user equipment to be unable to correctly complete data transmission due to differences in capabilities.
  • reporting is carried out to facilitate the network to better complete scheduling, improve the utilization of wireless resources and the data processing efficiency of user equipment.
  • the first network device is the primary network device in the carrier aggregation of the user equipment
  • the second network device is the secondary network device in the carrier aggregation of the user equipment.
  • Embodiments of the present disclosure provide a method for transmitting user equipment capabilities.
  • Figure 2 is a flow chart of a method for transmitting user equipment capabilities according to an exemplary embodiment. As shown in Figure 2, the method includes steps S201- S205, specifically:
  • Step S201 The user equipment receives configuration signaling sent by the first network device, where the configuration signaling includes first information, and the first information is used to indicate the intra-band carrier aggregation type.
  • the intra-band carrier aggregation type indicated by the first information is one of the following:
  • Intra-band non-collocated type Intra-band non-collocated type.
  • Step S202 The user equipment determines that the intra-band carrier aggregation type is the intra-band carrier aggregation type indicated by the first information.
  • the user equipment determines that the intra-band carrier aggregation type is the intra-band co-location type
  • the user equipment determines that the intra-frequency band carrier aggregation type is the intra-frequency band non-co-location type.
  • Step S203 The user equipment sends capability indication information to the first network device.
  • the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • maxNumberMIMO-LayersPDSCH is sent to the first network device.
  • maxNumberMIMO-LayersPDSCH is used to indicate the maximum number of MIMO layers corresponding to each carrier in co-located carrier aggregation within the frequency band.
  • maxNumberMIMO-LayersPDSCH-noncollocated is sent to the first network device.
  • maxNumberMIMO-LayersPDSCH-noncollocated is used to indicate the maximum number of MIMO layers corresponding to each carrier in non-co-located carrier aggregation within the frequency band.
  • Step S204 The first network device sends MIMO scheduling information configured based on the capability indication information to the user equipment.
  • Step S205 The user equipment performs MIMO processing according to the MIMO scheduling information.
  • the user equipment sends capability indication information to indicate the maximum number of MIMO layers supported by each component carrier corresponding to the corresponding carrier aggregation type in the frequency band, so that the first network device configures corresponding and reasonable MIMO scheduling according to the capabilities of the user equipment. information to improve the utilization of wireless resources.
  • Embodiments of the present disclosure provide a method for transmitting user equipment capabilities.
  • Figure 3 is a flow chart of a method for transmitting user equipment capabilities according to an exemplary embodiment. As shown in Figure 3, the method includes steps S301- S305, specifically:
  • Step S301 The first network device sends a first downlink reference signal to the user equipment, and the second network device sends a second downlink reference signal to the user equipment.
  • Step S302 The user equipment determines the intra-band carrier aggregation type based on the first downlink reference signal and the second downlink reference signal.
  • the intra-band carrier aggregation type is one of the following:
  • Intra-band non-collocated type Intra-band non-collocated type.
  • the user equipment determines the intra-band carrier aggregation type based on the first downlink reference signal and the second downlink reference signal, including: determining the received power difference degree of the first downlink reference signal and the second downlink reference signal. , determining the carrier aggregation type within the frequency band based on the received power difference degree.
  • the received power difference between the first downlink reference signal and the second downlink reference signal is: the power level of the first downlink reference signal and the power level of the second downlink reference signal difference.
  • the degree of difference in received power between the first downlink reference signal and the second downlink reference signal is the difference between the received power of the first downlink reference signal and the received power of the second downlink reference signal.
  • the degree of power difference can be called ⁇ p, and the value of ⁇ p is p1-p2.
  • the received power difference between the first downlink reference signal and the second downlink reference signal is a difference between the power level of the first downlink reference signal and the power level of the second downlink reference signal.
  • the power difference degree can be called ⁇ L, and the value of ⁇ L is L1-L2.
  • the degree of power difference can also be the ratio of the difference between the two to a fixed value. If the received power of the first downlink reference signal is p1 and the received power of the second downlink reference signal is p2, the degree of power difference can be called p', and the value of p' is (p1-p2)/p0, where p0 is a fixed value.
  • the degree of power difference can also be other expressions that can reflect the degree of difference.
  • Determining the carrier aggregation type within the frequency band based on the received power difference degree includes:
  • the intra-band carrier aggregation type In response to the received power difference being greater than or equal to the set threshold, determining the intra-band carrier aggregation type to be the intra-band non-co-located type;
  • the intra-band carrier aggregation type is determined to be the intra-band co-location type.
  • the setting threshold is determined according to a protocol agreement, or configuration information indicating the setting of the threshold is received from the first network device.
  • the set threshold is the maximum tolerated value of the in-band received power difference of the receiver of the user equipment.
  • Step S303 The user equipment sends capability indication information to the first network device.
  • the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • maxNumberMIMO-LayersPDSCH in response to the intra-band carrier aggregation type being the intra-band co-location type, maxNumberMIMO-LayersPDSCH is sent to the first network device.
  • maxNumberMIMO-LayersPDSCH is used to indicate the maximum number of MIMO layers corresponding to each carrier in co-located carrier aggregation within the frequency band.
  • maxNumberMIMO-LayersPDSCH-noncollocated is sent to the first network device.
  • maxNumberMIMO-LayersPDSCH-noncollocated is used to indicate the maximum number of MIMO layers corresponding to each carrier in non-co-located carrier aggregation within the frequency band.
  • Step S304 The first network device sends MIMO scheduling information configured based on the capability indication information to the user equipment.
  • Step S305 The user equipment performs MIMO processing according to the MIMO scheduling information.
  • the user equipment determines the intra-band carrier aggregation type by itself based on the downlink reference signals sent by the first network device and the second network device, and sends capability indication information to the first network device to indicate the corresponding intra-band carrier
  • the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the aggregation type enables the first network device to configure corresponding and reasonable MIMO scheduling information according to the capabilities of the user equipment, thereby improving the utilization of wireless resources.
  • Embodiments of the present disclosure provide a method for sending user equipment capabilities, which is executed by the user equipment.
  • Figure 4 is a flow chart of a method for sending user equipment capabilities according to an exemplary embodiment. As shown in Figure 4, the The method includes steps S401-S403, specifically:
  • Step S401 Determine the intra-band carrier aggregation type.
  • the intra-band carrier aggregation type is an intra-frequency band co-location type or an intra-frequency band non-co-location type.
  • Determining the carrier aggregation type within the frequency band may be determined based on the configuration of the first network device, or may be determined by the user equipment without the need for configuration of the network device.
  • the method for determining the intra-band carrier aggregation type includes: receiving configuration signaling sent by the first network device, the configuration signaling Let include first information, the first information being used to indicate the intra-band carrier aggregation type.
  • the user equipment determines the intra-band carrier aggregation type based on the first downlink reference signal and the second downlink reference signal, including: determining the received power difference degree of the first downlink reference signal and the second downlink reference signal. , determining the carrier aggregation type within the frequency band based on the received power difference degree.
  • the received power difference between the first downlink reference signal and the second downlink reference signal is: the power level of the first downlink reference signal and the power level of the second downlink reference signal difference.
  • the degree of difference in received power between the first downlink reference signal and the second downlink reference signal is the difference between the received power of the first downlink reference signal and the received power of the second downlink reference signal.
  • the degree of power difference can be called ⁇ p, and the value of ⁇ p is p1-p2.
  • the received power difference between the first downlink reference signal and the second downlink reference signal is a difference between the power level of the first downlink reference signal and the power level of the second downlink reference signal.
  • the power difference degree can be called ⁇ L, and the value of ⁇ L is L1-L2.
  • the degree of power difference can also be the ratio of the difference between the two to a fixed value. If the received power of the first downlink reference signal is p1 and the received power of the second downlink reference signal is p2, the degree of power difference can be called p', and the value of p' is (p1-p2)/p0, where p0 is a fixed value.
  • the degree of power difference can also be other expressions that can reflect the degree of difference.
  • Determining the carrier aggregation type within the frequency band based on the received power difference degree includes:
  • the intra-band carrier aggregation type In response to the received power difference being greater than or equal to the set threshold, determining the intra-band carrier aggregation type to be the intra-band non-co-located type;
  • the intra-band carrier aggregation type is determined to be the intra-band co-location type.
  • the setting threshold is determined according to a protocol agreement, or configuration information indicating the setting of the threshold is received from the first network device.
  • the set threshold is the maximum tolerated value of the in-band received power difference of the receiver of the user equipment.
  • Step S402 Send capability indication information to the first network device, where the capability indication information is used to indicate the maximum number of MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • maxNumberMIMO-LayersPDSCH in response to the intra-band carrier aggregation type being the intra-band co-location type, maxNumberMIMO-LayersPDSCH is sent to the first network device.
  • maxNumberMIMO-LayersPDSCH is used to indicate the maximum number of MIMO layers corresponding to each carrier in co-located carrier aggregation within the frequency band.
  • maxNumberMIMO-LayersPDSCH-noncollocated is sent to the first network device.
  • maxNumberMIMO-LayersPDSCH-noncollocated is used to indicate the maximum number of MIMO layers corresponding to each carrier in non-co-located carrier aggregation within the frequency band.
  • Step S403 Receive MIMO scheduling information configured based on the capability indication information sent by the first network device.
  • MIMO processing can be performed according to the MIMO scheduling information.
  • Embodiments of the present disclosure provide a method for sending user equipment capabilities, which is executed by the user equipment.
  • Figure 5 is a flow chart of a method for sending user equipment capabilities according to an exemplary embodiment. As shown in Figure 5, the The method includes steps S501-S503, specifically:
  • Step S501 Receive configuration signaling sent by the first network device, where the configuration signaling includes first information, where the first information is used to indicate the intra-band carrier aggregation type.
  • the intra-band carrier aggregation type is one of the following:
  • Intra-band non-collocated type Intra-band non-collocated type.
  • Step S502 Determine the intra-band carrier aggregation type to be the intra-band carrier aggregation type indicated by the first information.
  • the intra-band carrier aggregation type indicated by the first indication information is the intra-band co-location type
  • the intra-band carrier aggregation type indicated by the first indication information is the intra-band non-co-located type
  • Step S503 Send capability indication information to the first network device.
  • the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • the method of sending the capability indication information to the first network device in step S503 is the same as the method in step S402, and will not be described again here.
  • Step S504 Receive MIMO scheduling information configured based on the capability indication information sent by the first network device.
  • MIMO processing can be performed according to the MIMO scheduling information.
  • Embodiments of the present disclosure provide a method for sending user equipment capabilities, which is executed by the user equipment.
  • Figure 6 is a flow chart of a method for sending user equipment capabilities according to an exemplary embodiment. As shown in Figure 6, the The method includes steps S601-S604, specifically:
  • Step S601 Receive the first downlink reference signal sent by the first network device and the second downlink reference signal sent by the second network device.
  • Step S602 Determine the intra-band carrier aggregation type according to the first downlink reference signal and the second downlink reference signal.
  • step S602 The method of determining the intra-band carrier aggregation type according to the first downlink reference signal and the second downlink reference signal in step S602 is the same as the method in step S302, and will not be described again here.
  • Step S603 Send capability indication information to the first network device.
  • the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • Step S604 Receive MIMO scheduling information configured based on the capability indication information sent by the first network device.
  • MIMO processing can be performed according to the MIMO scheduling information.
  • Embodiments of the present disclosure provide a method for receiving user equipment capabilities, which is executed by a first network device.
  • Figure 7 is a flow chart of a method for receiving user equipment capabilities according to an exemplary embodiment, as shown in Figure 7 , the method includes steps S701-S703, specifically:
  • Step S701 Send configuration signaling to the user equipment, where the configuration signaling includes first information, where the first information is used to indicate the intra-band carrier aggregation type.
  • Step S702 Receive capability indication information sent by the user equipment.
  • the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type within the frequency band.
  • the maxNumberMIMO-LayersPDSCH is used to indicate the maximum number of MIMO layers corresponding to each carrier in co-located carrier aggregation within the frequency band.
  • the maxNumberMIMO-LayersPDSCH-noncollocated is used to indicate the maximum number of MIMO layers corresponding to each carrier in non-co-located carrier aggregation within the frequency band.
  • Step S703 Send MIMO scheduling information configured based on the capability indication information to the user equipment.
  • Embodiments of the present disclosure provide a method for receiving user equipment capabilities, which is executed by a first network device.
  • Figure 8 is a flow chart of a method for receiving user equipment capabilities according to an exemplary embodiment, as shown in Figure 8 , the method includes steps S801-S803, specifically:
  • Step S801 Send a first downlink reference signal to the user equipment, and send scheduling information to a second network device.
  • the scheduling information is used to instruct the second network device to send a second downlink reference signal to the user equipment.
  • Step S802 Receive capability indication information sent by the user equipment.
  • the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type within the frequency band.
  • step S802 The method of receiving the capability indication information sent by the user equipment in step S802 is the same as that in step S801, and will not be described again here.
  • Step S803 Send MIMO scheduling information configured based on the capability indication information to the user equipment.
  • embodiments of the present disclosure also provide an electronic device, which can have the functions of the user equipment 102 in the above method embodiments, and is used to perform the functions provided by the user equipment 102 in the above embodiments. steps to perform.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device 900 shown in Figure 9 can serve as the user equipment 102 involved in the above method embodiment, and perform the steps performed by the user equipment 102 in the above method embodiment.
  • the electronic device 900 includes a transceiver module 901 and a processing module 902.
  • the processing module 902 is configured to determine an intra-frequency band carrier aggregation type; wherein the intra-frequency band carrier aggregation type is an intra-frequency band co-location type or an intra-frequency band non-co-location type;
  • the transceiver module 901 is configured to send capability indication information to the first network device, where the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • the transceiver module 901 is also configured to receive the configuration information sent by the first network device.
  • the configuration signaling includes first information, and the first information is used to indicate the intra-band carrier aggregation type.
  • the processing module 902 is further configured to determine that the intra-band carrier aggregation type is the
  • the intra-band carrier aggregation type indicated by the first information is the intra-band carrier aggregation type indicated by the first information.
  • the transceiver module 901 is further configured to receive a first downlink reference signal sent by the first network device and a second downlink reference signal sent by the second network device.
  • the processing module 902 is further configured to determine an intra-band carrier aggregation type according to the first downlink reference signal and the second downlink reference signal.
  • the processing module 902 is further configured to determine the received power difference degree of the first downlink reference signal and the second downlink reference signal, and determine intra-band carrier aggregation based on the received power difference degree. type.
  • the received power difference between the first downlink reference signal and the second downlink reference signal is: the power level of the first downlink reference signal is different from the power level of the second downlink reference signal The difference in power level.
  • the processing module 902 is further configured to determine that the intra-band carrier aggregation type is an intra-band non-co-located type in response to the received power difference being greater than or equal to a set threshold;
  • the intra-band carrier aggregation type is determined to be the intra-band co-location type.
  • the transceiver module 901 is further configured to send maxNumberMIMO-LayersPDSCH to the first network device in response to the intra-band carrier aggregation type being the intra-band co-location type;
  • the maxNumberMIMO-LayersPDSCH is used to indicate the maximum number of MIMO layers corresponding to each carrier in co-located carrier aggregation within the frequency band.
  • the transceiver module 901 is further configured to send maxNumberMIMO-LayersPDSCH-noncollocated to the first network device in response to the intra-band carrier aggregation type being the intra-band non-colocated type;
  • the maxNumberMIMO-LayersPDSCH-noncollocated is used to indicate the maximum number of MIMO layers corresponding to each carrier in non-co-located carrier aggregation within the frequency band.
  • the transceiving module 901 is further configured to receive MIMO scheduling information configured based on the capability indication information and sent by the first network device.
  • the communication device When the communication device is user equipment 102, its structure may also be as shown in Figure 10.
  • Figure 10 is a block diagram of an apparatus 1000 for transmitting user equipment capabilities according to an exemplary embodiment.
  • the device 1000 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, or the like.
  • the device 1000 may include one or more of the following components: a processing component 1002, a memory 1004, a power component 1006, a multimedia component 1008, an audio component 1010, an input/output (I/O) interface 1012, a sensor component 1014, and communications component 1016.
  • Processing component 1002 generally controls the overall operations of device 1000, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1002 may include one or more processors 1020 to execute instructions to complete all or part of the steps of the above method.
  • processing component 1002 may include one or more modules that facilitate interaction between processing component 1002 and other components.
  • processing component 1002 may include a multimedia module to facilitate interaction between multimedia component 1008 and processing component 1002.
  • Memory 1004 is configured to store various types of data to support operations at device 1000 . Examples of such data include instructions for any application or method operating on device 1000, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 1004 may 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 (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power component 1006 provides power to various components of device 1000.
  • Power components 1006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 1000 .
  • Multimedia component 1008 includes a screen that provides an output interface between the device 1000 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 touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide action.
  • multimedia component 1008 includes a front-facing camera and/or a rear-facing camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 1010 is configured to output and/or input audio signals.
  • audio component 1010 includes a microphone (MIC) configured to receive external audio signals when device 1000 is in operating modes, such as call mode, recording mode, and speech recognition mode. The received audio signals may be further stored in memory 1004 or sent via communications component 1016 .
  • audio component 1010 also includes a speaker for outputting audio signals.
  • the I/O interface 1012 provides an interface between the processing component 1002 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 1014 includes one or more sensors for providing various aspects of status assessment for device 1000 .
  • the sensor component 1014 can detect the open/closed state of the device 1000, the relative positioning of components, such as the display and keypad of the device 1000, and the sensor component 1014 can also detect the position change of the device 1000 or a component of the device 1000. , the presence or absence of user contact with the device 1000 , device 1000 orientation or acceleration/deceleration and temperature changes of the device 1000 .
  • Sensor assembly 1014 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1016 is configured to facilitate wired or wireless communication between apparatus 1000 and other devices.
  • Device 1000 may access a wireless network based on a communication standard, such as WiFi, 4G or 5G, or a combination thereof.
  • the communication component 1016 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communications component 1016 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • 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
  • apparatus 1000 may be configured 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 array (FPGA), controller, microcontroller, microprocessor or other electronic components are implemented for executing the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable Gate array
  • controller microcontroller, microprocessor or other electronic components are implemented for executing the above method.
  • a non-transitory computer-readable storage medium including instructions such as a memory 1004 including instructions, which can be executed by the processor 1020 of the device 1000 to complete the above method is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • embodiments of the present disclosure also provide a communication device, which can have the functions of the network device 101 in the above method embodiments, and is used to perform the functions provided by the network device 101 in the above embodiments. steps to perform.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device 1100 shown in Figure 11 can serve as the network device 101 involved in the above method embodiment, and perform the steps performed by the network device 101 in the above method embodiment.
  • the communication device 1100 shown in FIG. 11 includes a transceiver module 1101.
  • the transceiver module 1101 is configured to receive capability indication information sent by the user equipment, where the capability indication information is used to indicate the maximum number of multiple-input multiple-output MIMO layers supported by each component carrier corresponding to the carrier aggregation type in the frequency band.
  • the transceiver module 1101 is also configured to send configuration signaling to the user equipment,
  • the configuration signaling includes first information, and the first information is used to indicate an intra-band carrier aggregation type.
  • the transceiver module 1101 is further configured to send a first downlink reference signal to the user equipment and send scheduling information to the second network device, where the scheduling information is used to indicate to the second network The device sends a second downlink reference signal to the user equipment.
  • the transceiver module 1101 is further configured to receive the maxNumberMIMO-LayersPDSCH sent by the user equipment;
  • the maxNumberMIMO-LayersPDSCH is used to indicate the maximum number of MIMO layers corresponding to each carrier in co-located carrier aggregation within the frequency band.
  • the transceiver module 1101 is further configured to receive maxNumberMIMO-LayersPDSCH-noncollocated sent by the user equipment;
  • the maxNumberMIMO-LayersPDSCH-noncollocated is used to indicate the maximum number of MIMO layers corresponding to each carrier in non-co-located carrier aggregation within the frequency band.
  • the transceiver module 1101 is further configured to send MIMO scheduling information configured based on the capability indication information to the user equipment.
  • the device 1200 When the communication device is a network device 101, its structure may also be as shown in Figure 12.
  • the device 1200 includes a memory 1201, a processor 1202, a transceiver component 1203, and a power supply component 1206.
  • the memory 1201 is coupled with the processor 1202 and can be used to store programs and data necessary for the communication device 1200 to implement various functions.
  • the processor 1202 is configured to support the communication device 1200 to perform corresponding functions in the above method. This function can be implemented by calling a program stored in the memory 1201 .
  • the transceiver component 1203 may be a wireless transceiver, which may be used to support the communication device 1200 to receive signaling and/or data through a wireless air interface, and to send signaling and/or data.
  • the transceiver component 1203 may also be called a transceiver unit or a communication unit.
  • the transceiver component 1203 may include a radio frequency component 1204 and one or more antennas 1205.
  • the radio frequency component 1204 may be a remote radio unit (RRU). Specifically, It can be used for the transmission of radio frequency signals and the conversion of radio frequency signals and baseband signals.
  • the one or more antennas 1205 can be specifically used for radiating and receiving radio frequency signals.
  • the processor 1202 can perform baseband processing on the data to be sent, and then output the baseband signal to the radio frequency unit.
  • the radio frequency unit performs radio frequency processing on the baseband signal and then sends the radio frequency signal in the form of electromagnetic waves through the antenna.
  • the radio frequency unit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 1202.
  • the processor 1202 converts the baseband signal into data and processes the data. for processing.
  • the user equipment determines the intra-band carrier aggregation type and sends capability indication information to the first network device to indicate the maximum number of MIMO layers supported by each component carrier corresponding to the corresponding intra-band carrier aggregation type, so that the first Network equipment configures corresponding and reasonable MIMO scheduling information according to the capabilities of user equipment to improve the utilization of wireless resources.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation est mise en œuvre dans le domaine technique des communications sans fil. La divulgation concerne un procédé et un appareil de transmission d'une capacité d'équipement utilisateur, et un support de stockage lisible. Le procédé consiste à : déterminer un type d'agrégation de porteuses intra-bande, le type d'agrégation de porteuses intra-bande étant un type colocalisé intra-bande ou un type non colocalisé intra-bande ; et envoyer des informations d'indication de capacité à un premier dispositif réseau, les informations d'indication de capacité étant utilisées pour indiquer le nombre maximal de couches entrées multiples sorties multiples (MIMO) prises en charge par chaque porteuse composante correspondant au type d'agrégation de porteuses intra-bande. Dans la présente divulgation, un équipement utilisateur détermine le type d'agrégation de porteuses intra-bande, et envoie les informations d'indication de capacité au premier dispositif réseau pour indiquer le nombre maximal de couches MIMO prises en charge par chaque porteuse composante correspondant au type d'agrégation de porteuses intra-bande correspondant, de telle sorte que le premier dispositif réseau configure des informations de planification MIMO rationnelles correspondantes en fonction de la capacité de l'équipement utilisateur, ce qui permet d'améliorer le taux d'utilisation de ressources sans fil.
PCT/CN2022/088589 2022-04-22 2022-04-22 Procédé et appareil de transmission de capacité d'équipement utilisateur, et support de stockage lisible WO2023201730A1 (fr)

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CN202280001244.4A CN114938704A (zh) 2022-04-22 2022-04-22 一种传输用户设备能力的方法、装置及可读存储介质

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