WO2019141189A1 - Procédé de rapport d'information de capacité de dispositif terminal, appareil et système - Google Patents

Procédé de rapport d'information de capacité de dispositif terminal, appareil et système Download PDF

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Publication number
WO2019141189A1
WO2019141189A1 PCT/CN2019/071971 CN2019071971W WO2019141189A1 WO 2019141189 A1 WO2019141189 A1 WO 2019141189A1 CN 2019071971 W CN2019071971 W CN 2019071971W WO 2019141189 A1 WO2019141189 A1 WO 2019141189A1
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WIPO (PCT)
Prior art keywords
terminal device
frequency band
band combination
combination set
band
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PCT/CN2019/071971
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English (en)
Chinese (zh)
Inventor
白欣
韩磊
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华为技术有限公司
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Publication of WO2019141189A1 publication Critical patent/WO2019141189A1/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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present application relates to the field of communications, and in particular, to a method, apparatus, and system for reporting terminal device capability information.
  • LTE Long Term Evolution
  • LTE-Advanced pro LTE-Advanced
  • NR new radio
  • CA technology is introduced to make one terminal device Data transmission can be performed on multiple carriers simultaneously.
  • CA technology can aggregate multiple carriers into a wider spectrum, and can also aggregate some continuous or discontinuous carriers to provide a wider data pipeline for end users.
  • a terminal device in wireless communication is also referred to as a user equipment (UE).
  • the terminal device needs to report the capability of the terminal device during the process of accessing the network.
  • the network notifies the terminal device to report its own capability through the terminal device capability query message, and the terminal device sends the terminal device capability information to the network, and carries the CA capability information of the terminal device, where the CA capability information mainly includes the supported CA band combination of the terminal device. information.
  • the network can configure and schedule the terminal device to activate the carrier aggregation function according to the current network status.
  • the present application provides a method, apparatus, and system for reporting terminal device capability information, which can save communication resources.
  • a first aspect provides a method for reporting terminal device capability information, including: receiving a communication message from a wireless communication network; and determining, according to the communication message, a first carrier aggregation CA band combination set supported by the wireless communication network Obtaining a second CA frequency band combination set for wireless communication, where the second CA frequency band combination set is an intersection of the first CA frequency band combination set and a third CA frequency band combination set supported by the terminal device, where Each CA band combination set in the first CA band combination set, the second CA band combination set, and the third CA band combination set includes at least one CA band combination, and each CA band combination is used to indicate at least one frequency band Corresponding CA configuration; transmitting terminal device capability information to the wireless communication network, the terminal device capability information including the second CA band combination set.
  • the terminal device acquires a first CA frequency band combination set by using a notification message, where the first CA frequency band combination set includes a CA frequency band combination, and the CA frequency band combination is used to indicate specific CA configuration information, so that the terminal device can
  • the first CA band combination set and the third CA band combination set supported by the terminal device are collected to obtain the second CA band combination set that needs to be reported in the terminal device capability information, thereby avoiding reporting the CA band combination that the base station does not support, simplifying the need
  • the reported CA band combination saves air interface resources.
  • the communication message includes a first identifier for indicating an operator or a country to which the wireless communication network belongs; and determining, according to the communication message, the first supported by the wireless communication network
  • the carrier aggregation CA band combination includes: determining, according to a mapping relationship between an identifier of an operator or a country and at least one CA band combination, the first CA band combination set corresponding to the first identifier.
  • the terminal device obtains the first identifier by using the notification message, and determines the first CA frequency band corresponding to the first identifier according to the mapping relationship between the at least one CA frequency band combination and the identifier of the operator and the country.
  • the combination set, the first CA band combination set includes a CA band combination, and the CA band combination is used to indicate specific CA configuration information, so that the terminal device combines the third CA band combination set supported by the terminal device according to the first CA band combination set and the terminal device.
  • the intersection of the second CA frequency band that needs to be reported in the terminal device capability information is obtained, which avoids reporting the CA frequency band combination that the base station does not support, simplifies the CA frequency band combination that needs to be reported, and saves the air interface resource.
  • the first identifier includes at least one of the following: a PLMN identifier and an MCC.
  • the method further includes: acquiring mapping relationship update information; updating the mapping relationship according to the mapping relationship update information.
  • the acquiring mapping relationship update information includes at least one of: acquiring the mapping relationship update information from a system software update; or acquiring the mapping relationship update from a vendor server of the terminal device. information.
  • the communication message includes the first set of CA frequency bands.
  • the terminal device acquires a first CA frequency band combination set by using a notification message sent by the wireless communication network, where the first CA frequency band combination set includes a CA frequency band combination, and the CA frequency band combination is used to indicate specific CA configuration information.
  • the second CA band combination set that needs to be reported in the terminal device capability information is obtained by the terminal device according to the first CA band combination set and the third CA band combination set supported by the terminal device, thereby avoiding reporting the CA band that is not supported by the base station.
  • the combination simplifies the CA band combination that needs to be reported, which saves air interface resources.
  • the communication message is a system message.
  • the communication message is a terminal device capability query message.
  • the CA configuration includes at least one of the following: the number of aggregated carriers, the maximum supported carrier bandwidth, the frequency band or combination of frequency bands, the continuous CA in the frequency band, the discontinuous CA in the frequency band, and the cross-band CA. , cross-band CA and continuous CA combination in the frequency band, cross-band CA and discontinuous CA combination in the frequency band.
  • the communication message is sent by a base station in the wireless communication network, and the terminal device capability information is sent to the base station.
  • a second aspect provides a method for assisting in reporting terminal device capability information, including: transmitting a communication message to a terminal device, where the communication message includes a first carrier aggregation CA frequency band set supported by a wireless communication network; and the terminal device Receiving terminal device capability information, where the terminal device capability information includes a second CA frequency band combination set for wireless communication, where the second CA frequency band combination set is the first CA frequency band combination set and the terminal device supported by the An intersection of the three CA band combination sets, wherein each of the first CA band combination set, the second CA band combination set, and the third CA band combination set includes at least one CA band combination, each The CA band combination is used to indicate the CA configuration corresponding to at least one frequency band.
  • the base station indicates, by using the notification message, the first CA frequency band combination set to the terminal device, where the first CA frequency band combination set includes a CA frequency band combination, and the CA frequency band combination is used to indicate specific CA configuration information, so as to facilitate the terminal.
  • the device obtains the intersection of the first CA band combination set and the third CA band supported by the terminal device, and obtains the second CA band combination set that needs to be reported in the terminal device capability information, thereby avoiding reporting the CA band combination that is not supported by the base station, and simplifying
  • the combination of CA bands to be reported saves air interface resources.
  • the communication message is a system message.
  • the communication message is a terminal device capability query message.
  • the CA configuration includes at least one of the following: the number of aggregated carriers, the maximum supported carrier bandwidth, the frequency band or combination of frequency bands, the continuous CA in the frequency band, the discontinuous CA in the frequency band, the cross-band CA, and the cross-band.
  • the frequency band CA is combined with the continuous CA in the frequency band, the cross-band CA and the discontinuous CA in the frequency band.
  • an apparatus for reporting terminal device capability information the apparatus for performing the method of any of the first aspect or the first aspect of the first aspect.
  • the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • an apparatus for facilitating reporting of terminal device capability information comprising a method for performing any of the possible implementations of the second aspect or the second aspect described above.
  • the apparatus comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • an apparatus for reporting capability information of a terminal device comprising: a transceiver and a processor.
  • the processor is configured to execute instructions stored by the memory to control the transceiver to receive signals and/or transmit signals, and when the processor executes the instructions stored by the memory, the executing causes the processor to perform the first aspect or the first A method in any possible implementation of the aspect.
  • the apparatus further includes the memory for storing instructions.
  • an apparatus for facilitating reporting of capability information of a terminal device comprising: a transceiver and a processor.
  • the processor is operative to execute instructions stored by the memory to control the transceiver to receive signals and/or transmit signals, and when the processor executes the instructions stored by the memory, the executing causes the processor to perform the second aspect or the second A method in any possible implementation of the aspect.
  • the apparatus further includes the memory for storing instructions.
  • a communication system comprising the apparatus of the above third aspect and the apparatus of the fourth aspect, or the communication system comprising the apparatus and the sixth aspect of the above fifth aspect Said device.
  • a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a ninth aspect a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of any of the second aspect or the second aspect of the second aspect.
  • FIG. 1 is a schematic diagram of a carrier aggregation scenario in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a dual connectivity scenario in the embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of an apparatus for reporting capability information of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a method for reporting terminal device capability information according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a method for reporting terminal device capability information according to still another embodiment of the present application.
  • FIG. 7 is a schematic diagram of a method for reporting terminal device capability information according to still another embodiment of the present application.
  • FIG. 8 is a schematic diagram of a method for reporting terminal device capability information according to still another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an apparatus for reporting terminal device capability information according to still another embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of an apparatus for assisting reporting capability information of a terminal device according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of an apparatus for assisting reporting capability information of a terminal device according to still another embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device in this embodiment of the present application may refer to an access terminal, a user equipment, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or User device.
  • the terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the base station may be a base station (Base Transceiver Station, BTS) in a GSM or CDMA system, or may be a base station (NodeB, NB) in a WCDMA system, or may be an evolved base station in an LTE system (Evolutional NodeB).
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolution
  • the eNB or the eNodeB) may also be a wireless controller in a Cloud Radio Access Network (CRAN) scenario, or the base station may be a relay station, an access point, an in-vehicle device, a wearable device, and a future 5G network.
  • CRAN Cloud Radio Access Network
  • the base station in the base station or the base station in the future evolved PLMN network for example, a new radio (NR) base station, is not limited in the embodiment of the present application.
  • the base station may provide wireless cell signal coverage and serve the terminal device with one or more cells.
  • Band Generally speaking, it is a range of frequencies.
  • the spectrum resources are divided into specific multiple ranges, and corresponding to a number, as a frequency band.
  • the actual physical spectrum range of LTE band 38 is 2570 MHz - 2620 MHz
  • the physical spectrum range of LTE band 40 is 2300 MHz - 2400 MHz.
  • the carrier frequency allocated to a terminal device can be used for communication frequency resources of signal transmission.
  • the carrier can occupy a certain bandwidth and is located in the frequency band.
  • the maximum carrier bandwidth of LTE is 20M, which can also be divided into 1.4M, 3M, 5M, or 10M.
  • the user camps on a cell with a cell ID of 0, and the cell corresponds to a carrier with a band of 38, a center frequency of 2585 M, and a bandwidth of 20 M.
  • FIG. 1 shows a carrier aggregation scenario of an embodiment of the present application.
  • Carrier aggregation refers to the aggregation of two or more component carriers (CCs) to transmit data to achieve a larger transmission bandwidth.
  • the terminal device can determine that up to several carriers can be used for uplink and downlink transmission according to the size of the capability.
  • the CA function can support continuous or non-contiguous carrier aggregation and support intra-band or cross-band carrier aggregation.
  • the present application is also applicable to a dual connectivity scenario.
  • the terminal device can use carrier aggregation for data transmission with a single base station.
  • the terminal device may also use carrier aggregation for data transmission with multiple base stations.
  • a typical implementation of the latter is to aggregate the carrier of one macro base station and the carriers of several micro base stations, and the micro base station needs to be connected with the macro base station through the backhaul link, and performs strict system time synchronization with the macro base station. .
  • FIG. 2 shows a dual connectivity scenario of an embodiment of the present application. Dual connectivity improves throughput by aggregating radio resources from different base stations.
  • a dual connectivity scenario may include a primary base station and at least one secondary base station.
  • the primary base station and the secondary base station can be connected through a communication interface.
  • the primary base station and the secondary base station can jointly serve the terminal device.
  • the primary base station and the secondary base station can simultaneously perform data transmission with the terminal device.
  • the primary base station can be responsible for the control plane signaling flow and the user plane data transmission with the terminal device, and the secondary base station only needs to be responsible for the user plane data transmission with the terminal device.
  • the primary base station can establish a data resource bearer (DRB) and a signaling resource bearer (SRB) with the terminal device, and the secondary base station only needs to establish a DRB with the terminal device.
  • each of the primary base station and the secondary base station may be responsible for control plane transmission and user plane data transmission with the terminal device. That is, the primary base station can establish a DRB and an SRB with the terminal device, and the secondary base station can also establish a DRB and an SRB with the terminal device.
  • the common feature of carrier aggregation and dual connectivity technology is that terminal devices transmit data through one or more base stations through multiple aggregated carriers.
  • the difference is that the scheduling of multiple carriers in carrier aggregation is performed by one base station or the scheduler of the base station.
  • the scheduler of the primary base station and the secondary base station respectively manage carriers on the respective base stations, so Coordinate with each other.
  • the function of the above scheduler may be a functional entity executed by a processor of the base station.
  • the dual connectivity scenario mentioned in this embodiment may be considered as a special case of a carrier aggregation scenario.
  • the carrier aggregation scenario manages resources on lower layer protocols with lower user data transmission delays.
  • the dual connectivity scenario manages resources on higher layer protocols and the user data transmission delay is higher. There are other differences between carrier aggregation and dual connectivity technologies, which are not repeated here.
  • FIG. 3 is a schematic structural diagram of an apparatus 300 for reporting capability information of a terminal device according to an embodiment of the present application.
  • the device 300 can be a terminal device, or a device placed within the terminal device, such as a functional device or circuit board that does not include a housing.
  • the apparatus 300 can be adapted for use in the application environment described in Figures 1, 2 or other portions of the embodiments of the present application.
  • FIG. 3 shows only the main components of device 300.
  • the apparatus 300 includes a processor 301, a memory 302, a communication circuit 303, an antenna 304, and an input and output device 305.
  • the terminal device 300 may further include a bus system, and the processor 301, the memory 302, the communication circuit 303, the antenna 304, and the input/output device 305 are connected by a bus system.
  • the processor 301 is mainly used for processing communication protocols and communication data, and controlling the entire device 300, executing software programs, and processing data of the software programs.
  • the memory 302 is mainly used for storing software programs and data, for example, storing the above communication process. The data used.
  • the communication circuit 303 is mainly used for converting a baseband signal and a radio frequency signal and processing the radio frequency signal. Communication circuit 303 is also referred to as a transceiver, radio frequency circuit, or radio frequency unit.
  • the antenna 304 is mainly used for transmitting and receiving radio frequency signals in the form of electromagnetic waves.
  • the input/output device 305 such as a touch screen, a display screen, a keyboard light, etc., is mainly used for receiving data input by a user and outputting data to the user.
  • the antenna 304 and the communication circuit 303 having the transceiving function may also be regarded as a transceiver of the device 300, or as a transceiver, a transceiver, or the like.
  • FIG. 4 shows a process interaction diagram of capability reporting by the terminal device.
  • a base station in a wireless communication network may send a terminal device capability query message to a terminal device in its coverage area, or may also be referred to as a UE capability enquiry message. Indicates the ability of the terminal device to report itself.
  • the terminal device may send the terminal device capability information to the base station, or may be referred to as UE capability information, and carry the CA capability supported by the terminal device therein.
  • the CA capability information includes a CA band combination supported by the terminal device. It should be noted that the CA capability information in the embodiment of the present application can be applied to both a scenario of carrier aggregation and a dual connectivity scenario.
  • the CA band combination can refer to the combination of frequency band and carrier aggregation. In other words, the CA band combination can be used to indicate a carrier aggregation configuration corresponding to at least one frequency band.
  • the CA configuration may refer to a combination of a CA operating band (s) and a CA bandwidth class (es).
  • the CA operating band may refer to one or more operating bands used for carrier aggregation.
  • the CA Bandwidth Classification may refer to a classification defined by the aggregated transmission bandwidth configuration and the maximum number of carriers for the one or more operating bands.
  • the CA configuration can also be used to indicate other types of configuration information, such as supporting configuration information such as continuous CA in a frequency band or discontinuous CA in a frequency band.
  • the CA band combination can be used to indicate at least one of the following: the number of aggregated carriers, the maximum supported carrier bandwidth, the frequency band or combination of frequency bands, the intra-band intra-band continuous CA, and the discontinuous CA in the frequency band.
  • inter-band CA The maximum supported carrier bandwidth described above may refer to the maximum bandwidth of the supported aggregated carriers.
  • the cross-band CA can also be divided into two scenarios, such as spanning two frequency bands, spanning three frequency bands, or spanning four frequency bands. When the number of supported aggregate carriers is greater than 3, it also includes: cross-band CA and continuous CA combination in the frequency band, cross-band CA and discontinuous CA combination in the frequency band.
  • three carriers can be supported across band 1 and band 3 across the band CA and two of the carriers are supported for continuous CA within band 1.
  • the CA band combination can also indicate whether a certain band supports CA.
  • CA band combinations supported by them vary.
  • an end device can support a combination of CA bands supported by multiple carriers or countries.
  • the more frequency bands supported by the terminal device the more types of CA band combinations that it may support. Therefore, the number of CA band combinations supported by the terminal device is considerable. For example, suppose the terminal device supports bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 38, 39, 40, 41 and various CA band combinations in these bands and across frequency bands. Table, its supported CA band combination can be more than 200 kinds.
  • the CA band combinations allowed by the protocol may include the following types of index indications:
  • CA_1C Maximum 40M bandwidth, two carriers, continuous CA in band 1.
  • CA_1A-1A Maximum 40M bandwidth, two carriers, non-continuous CA in band 1.
  • CA_3B Maximum 10M bandwidth, continuous CA within band 3.
  • CA_3C Maximum 40M bandwidth, two carriers, continuous CA in band 3.
  • CA_3A-3A Maximum 40M bandwidth, two carriers, non-continuous CA in band 3.
  • CA_1A-3A Maximum 40M bandwidth, two carriers, band 1 and band 3 cross-band CA.
  • CA_1A-1A-3A Maximum 60M bandwidth, three carriers, band 1 and band 3 cross-band CA, where two carriers are discontinuous in band 1.
  • CA_1A-3A-3A Maximum 60M bandwidth, three carriers, band 1 and band 3 cross-band CA, where two carriers are discontinuous in band 3.
  • CA_1A-3C Maximum 60M bandwidth, three carriers, band 1 and band 3 cross-band CA, where two carriers are consecutive in band 3.
  • CA_1A-1A-3C Maximum 80M bandwidth, four carriers, band 1 and band 3 cross-band CA, where two carriers are discontinuous in band 1, and two carriers are continuous in band 3.
  • the above cross-band combinations will be divided into new combinations depending on the primary carrier.
  • Each combination is a specific setting.
  • the above embodiment is only an example, and includes a CA band combination corresponding to other frequency bands in actual application.
  • the frequency band that the network operator is allowed to operate is derived from the authorization of the country where the operator is located.
  • an operator only has several frequency bands, and may only have a part of the bandwidth in a certain frequency band, not all the frequency bands. For example, for an operator, it only has four bands of 38, 39, 40, and 41 bands. And the operator can selectively own only part of the bandwidth of the band 40,41.
  • the CA band combination supported by the operator is also limited to the CA band combination corresponding to the four frequency bands.
  • the terminal device may determine a frequency band supported by an operator or a country to which the currently camped wireless communication network belongs, and report only the CA band combination in the above frequency band. For example, the terminal device supports more than 200 combinations of CA bands. However, the current carrier only has the spectrum resources of the band 1 and the band 3, and the filtered terminal device only needs to report the combination of the CA bands involved in the band 1 and the band 3.
  • the terminal device may determine, according to the system message sent by the base station, the operator or country to which the currently camped network belongs. For example, in an LTE system, the system message may be a Public Land Mobile Network (PLMN) identity list information in a system information block type.
  • PLMN Public Land Mobile Network
  • the PLMN takes the form of a mobile country code (MCC) + mobile network code (MNC).
  • MCC mobile country code
  • MNC mobile network code
  • the MCC is used to uniquely identify the country to which the mobile terminal user belongs.
  • the MCC is usually represented by 3 digits. For example, China is 460.
  • the MNC is used to identify the mobile network to which the mobile terminal user belongs.
  • the same operator in a certain country can own one or more PLMNs, but different operators cannot share the same PLMN. That is, each PLMN must be assigned a unique MNC.
  • China Mobile uses 00, 02, 04, 07, China Unicom GSM system uses 01, 06, 09
  • China Telecom CDMA system uses 03, 05, Telecom 4G uses 11, and China Railcom uses 20.
  • China Mobile's PLMN is 46000, 46002, 46004, 46007
  • China Unicom's PLMN is 46001, 46006, 46009.
  • the frequency bands supported may be different for different PLMNs owned by the same carrier. If there is only one carrier in a country, it can also determine the country to which the terminal device currently resides. Then, the CA band combination in the frequency band corresponding to the MCC supported by the terminal device is reported in the terminal device capability information.
  • the operator may only have a part of the bandwidth of the supported frequency band.
  • the operator may only have the 20 M continuous bandwidth of the band 1 and the 20 M continuous bandwidth of the band 3, and the network is configured according to the 20 M bandwidth.
  • the CA band combination of CA_1A-3A can be supported in the communication, and the reporting of the remaining CA band combinations is redundant.
  • the operator may be limited by the specifications of the network. For example, if the current network does not support carriers of more than 3 carriers, the reporting of the combination of CA bands supporting more than three carrier aggregations is redundant. In other words, it is not necessary to report the various aggregation scenarios supported by each frequency band.
  • the embodiments of the present application are directed to a method for reporting terminal device capability information and assisting in reporting terminal device capability information, which can simplify the number of CA band combinations in the reported terminal device capability information, thereby saving air interface resources and also enhancing Network compatibility.
  • FIG. 5 is a schematic diagram of interaction of a method 500 for reporting terminal device capability information according to an embodiment of the present application.
  • the method 500 can be performed by a terminal device and a base station.
  • the method 500 can be applied to a carrier aggregation scenario or a dual connectivity scenario.
  • the method 500 shows a process in which the terminal device reports the terminal device capability information and the base station assists in reporting the terminal device capability information.
  • method 500 includes:
  • the wireless communication network sends a communication message to the terminal device, and accordingly, the terminal device receives the communication message from the wireless communication network.
  • the wireless communication network may optionally include an access network and a core network.
  • the access network includes a base station, which is used to implement coverage of a cell signal and serves the terminal device by using a cell and a carrier.
  • the core network includes a core network device.
  • the core network device may include, for example, a user plane function (UPF) entity, an access and Mobility Management function (AMF), and a session management function (SMF). entity.
  • UPF user plane function
  • AMF access and Mobility Management function
  • SMF session management function
  • the communication message received by the terminal device may specifically come from a base station in the wireless communication network.
  • the communication message is generated by the base station or is a communication message received by the base station from the core network and forwarded by the base station.
  • the base station may be a macro base station.
  • the base station may be a primary base station or a secondary base station.
  • the communication message may be radio resource control (RRC) layer signaling.
  • RRC radio resource control
  • the communication message can be a system message or a terminal device capability query message.
  • the communication message may be non-access stratum (NAS) signaling.
  • NAS non-access stratum
  • the terminal device determines, according to the communication message, a first set of CA frequency bands supported by the wireless communication network.
  • the first CA band combination set may include a CA band combination actually supported by the current wireless communication network. For example, for the same carrier, depending on the policies deployed in different regions, the networks in different regions actually support different frequency bands and CA band combinations.
  • the terminal device may determine the first set of CA frequency bands in two ways.
  • the communication message may include the first set of CA band combinations.
  • the terminal device directly acquires the first CA frequency band combination set by using the communication message.
  • the communication message may include a first identifier for indicating an operator or a country to which the wireless communication network belongs, and after acquiring the first identifier, the terminal device according to the identifier of the operator or the country Determining a mapping relationship between the at least one CA band combination, and determining a first CA band combination set corresponding to the first identifier.
  • the above mapping relationship may indicate a CA band combination corresponding to the identifier of the operator or the country. Therefore, the terminal device can acquire a specific CA frequency band combination according to the first identifier and the mapping relationship.
  • the mapping relationship may be stored in a pre-configuration file in the terminal device, and the file may be specifically stored in a memory in the terminal device.
  • the communication message can be a system message.
  • the system message may be, for example, a public message related to access, camping, reselection sent by the base station to the terminal device in the form of a broadcast.
  • Table 1 shows an example of a mapping relationship between at least one CA band combination and an operator or country identity.
  • the identifier 1 - the identifier 3 indicates a different operator or country identifier.
  • CA_1C CA_1A-1A, CA_3B, CA_3C,...
  • Logo 2 CA_3A-3A, CA_1A-1A-3A, CA_1A-1A-3C,...
  • Logo 3 CA_1A-3A, CA_1A-3A-3A, CA_1A-3C, CA_1A-3C,... ... ...
  • the method 500 further includes: the terminal device receiving a terminal device capability query message sent by the wireless communication network, and correspondingly, the wireless communication network sends the terminal device to the terminal device The terminal device capability query message.
  • the terminal device capability query message is used to instruct the terminal device to report terminal device capability information.
  • the foregoing first identifier includes at least one of the following: a PLMN identifier and an MCC identifier.
  • the mapping relationship is stored in a configuration file of the terminal device.
  • one or more storage units may be reserved in the configuration file to store the above mapping relationship.
  • the information source of the above mapping relationship may include two ways.
  • the first route is an operating trademark or white paper issued by the operator, which can indicate the CA band combination supported by the operator, and can also indicate whether the CA band combination supports dual connectivity technology.
  • the second route is to obtain the CA band combination corresponding to the operator support through the network regulations staff.
  • the terminal device may update the mapping relationship.
  • the terminal device may acquire mapping relationship update information; update the mapping relationship according to the mapping relationship update information.
  • the terminal device can update the mapping relationship in two ways.
  • the terminal device acquires the mapping relationship update information by using a system software update.
  • the configuration file where the mapping relationship is located can be used as part of the online upgrade package and upgraded as the firmware of the terminal device is upgraded.
  • the terminal device may obtain the mapping relationship update information from a vendor server of the terminal device.
  • the terminal device can access the Internet through the wireless communication network, and automatically download the updated configuration file from the cloud server or the manufacturer server of the terminal device.
  • the mapping relationship update information is included in the updated configuration file.
  • S503 Acquire a second CA frequency band combination set for wireless communication, where the second CA frequency band combination set is an intersection of the first CA frequency band combination set and a third CA frequency band combination set supported by the terminal device, where Each of the first CA band combination set, the second CA band combination set, and the third CA band combination set includes at least one CA band combination, and each CA band combination is used to indicate a CA corresponding to at least one frequency band. Configuration.
  • the content of the CA configuration indicated by the CA band combination may include: the number of aggregated carriers, the maximum supported carrier bandwidth, the frequency band or combination of frequency bands, the continuous CA in the frequency band, the discontinuous CA in the frequency band, the cross-band CA, and the cross-band CA and Continuous CA combination in the frequency band, cross-band CA and discontinuous CA combination in the frequency band.
  • the contents of the combination of the above-mentioned CA frequency segments can continue to be combined with each other to form more CA frequency band combinations.
  • the number of supported carriers is four, it may also include a cross-band CA, a continuous CA in a frequency band, and a discontinuous CA combination in a frequency band.
  • the terminal device sends terminal device capability information to the wireless communication network, where the terminal device capability information includes the second CA band combination set.
  • the second set of frequency bands can be represented as a list of CA band combinations.
  • Each CA band combination can be represented as a set of CA band combination parameters and used as an entry in the list.
  • Each set of CA band combination parameters may include multiple CA configuration parameters.
  • the CA configuration parameter can be used to indicate CA configuration information such as the number of aggregated carriers, the maximum supported carrier bandwidth, the frequency band or the combination of frequency bands.
  • the CA band combination included in the second CA band combination set described above may be indicated in an index manner.
  • the index method can refer to the foregoing.
  • indexes such as CA_1C, CA_1A-1A, etc. may be used to indicate different combinations of CA bands.
  • other methods may be used to indicate the CA band combination.
  • the first frequency band combination set and the third frequency band combination set may also be represented by a list or an index.
  • the foregoing terminal device capability information may include CA capability information, where the second CA band combination set may be carried in the CA capability information.
  • the foregoing terminal device capability information further includes first indication information, where the first indication information is used to indicate whether the CA band combination included in the second CA band combination set supports the dual connectivity technology.
  • the CA band combination can support the carrier aggregation scenario.
  • dual connectivity scenarios are not necessarily supported.
  • the first indication information can be used to indicate whether the CA band combination supports the dual connectivity scenario.
  • the first indication information may be used to indicate which CA band combinations included in the second CA band combination set can support the dual connectivity scenario, or indicate which CA band combinations do not support the dual connectivity scenario.
  • the terminal device capability information may include other types of information in addition to the second CA band combination set. For example, the power level of the terminal device, the security algorithm supported by the terminal device, and the like are not described herein.
  • the terminal device acquires a first CA frequency band combination set by using a notification message sent by the wireless communication network, where the first CA frequency band combination set includes a CA frequency band combination, and the CA frequency band combination is used to indicate specific CA configuration information.
  • the second CA band combination set that needs to be reported in the terminal device capability information is obtained by the terminal device according to the first CA band combination set and the third CA band combination set supported by the terminal device, so that at least one that is not supported by the reporting base station is avoided.
  • the combination of CA bands simplifies the combination of CA bands to be reported, saving air interface resources.
  • FIG. 6 is an interaction flowchart of a method 600 according to still another embodiment of the present application. It shows a specific procedure for the terminal device to report the terminal device capability information and the base station to assist in reporting the terminal device capability information.
  • the system message in Figure 6 is equivalent to the notification message in Figure 5, and the system message includes a first set of CA band combinations. As shown in FIG. 6, method 600 includes:
  • the terminal device receives a system message sent by the base station.
  • the system message includes a first set of CA frequency bands to indicate a CA band combination currently supported by the wireless communication network.
  • the system message may be, for example, a public message related to access, camping, reselection sent by the base station to the terminal device in the form of a broadcast.
  • the base station sends a terminal device capability query message to the terminal device.
  • the terminal device determines, according to the first CA frequency band combination set and the third CA frequency band combination set supported by the terminal device, the second CA frequency band combination set to be reported.
  • the terminal device sends terminal device capability information, where the terminal device capability information includes CA capability information, where the CA capability information includes a second CA band combination set.
  • the terminal device may generate and transmit terminal device capability information according to the second CA band combination set and other types of capability information supported by the own specification.
  • FIG. 7 is an interaction flowchart of a method 700 according to still another embodiment of the present application. It shows the specific process of the terminal device reporting terminal device capability information and the base station assisting in reporting the terminal device capability information.
  • the terminal device capability query message in FIG. 7 is equivalent to the notification message in FIG. 5, and the terminal device capability query message includes the first CA band combination set.
  • method 700 includes:
  • the base station sends a terminal device capability query message to the terminal device.
  • the terminal device capability query message further includes a first CA frequency band combination set to indicate a CA frequency band combination supported by the wireless communication network where the base station is located.
  • the terminal device determines, according to the first CA frequency band combination set and the third CA frequency band combination set supported by the terminal device, the second CA frequency band combination set to be reported.
  • the terminal device sends the terminal device capability information, where the terminal device capability information includes CA capability information, where the CA capability information includes a second CA band combination set.
  • the terminal device may generate and transmit terminal device capability information according to the second CA band combination set and other types of capability information supported by the own specification.
  • FIG. 8 is a schematic diagram of interaction of a method 800 for reporting terminal device capability information according to still another embodiment of the present application.
  • FIG. 8 shows a specific process of reporting terminal device capability information by the terminal device and the base station assisting in reporting the terminal device capability information.
  • the system message in FIG. 8 is equivalent to the notification message in FIG. 5, and the terminal device determines the first CA band combination set according to the first identifier and the mapping relationship included in the system message.
  • method 800 includes:
  • the base station sends a system message to the terminal device.
  • the system message includes a first identifier.
  • the first identifier is an identifier of an operator or a country to which the terminal device currently resides.
  • the first identifier may be a PLMN identity or an MCC identity.
  • the system message may be, for example, a public message related to access, camping, reselection sent by the base station to the terminal device in the form of a broadcast.
  • the base station sends a terminal device capability query message to the terminal device.
  • the terminal device determines, according to the mapping between the first identifier and the identifier of the carrier or the country and the at least one CA band combination, the first CA frequency band combination corresponding to the first identifier.
  • the mapping relationship can be stored in a pre-configuration file in the terminal device.
  • the terminal device may obtain the mapping relationship update information by using a system software update or a vendor server of the terminal device to update the mapping relationship.
  • the terminal device acquires an intersection according to the first CA frequency band combination set and the third CA frequency band combination set supported by the terminal device, and acquires a second CA frequency band combination set for wireless communication.
  • the terminal device sends terminal device capability information, where the terminal device capability information includes a second CA band combination set.
  • the terminal device may generate and transmit terminal device capability information according to the second CA band combination set and other types of capability information supported by the own specification.
  • FIG. 9 is a schematic block diagram of an apparatus 900 for performing a method for reporting terminal device capability information according to an embodiment of the present application.
  • Apparatus 900 can be used to perform the steps in the method for reporting terminal device capability information in an embodiment.
  • the device 900 can be, for example, a terminal device or a device placed in the terminal device.
  • the apparatus 900 includes a receiving unit 901, a processing unit 902, and a transmitting unit 903.
  • the receiving unit 901 is configured to receive a communication message from a wireless communication network;
  • the processing unit 902 is configured to determine, according to the communication message, a first carrier aggregation CA band combination set supported by the wireless communication network;
  • the processing unit 902 And a second CA frequency band combination set for wireless communication, where the second CA frequency band combination set is an intersection of the first CA frequency band combination set and the third CA frequency band combination set supported by the terminal device;
  • the transmitting unit 903 is configured to send terminal device capability information to the wireless communication network, where the terminal device capability information includes the second CA band combination set.
  • FIG. 10 is a schematic block diagram of an apparatus 1000 for performing a method for assisting in reporting terminal device capability information according to an embodiment of the present application.
  • the apparatus 1100 can be configured to perform the steps in the method of assisting reporting of terminal device capability information in an embodiment.
  • Apparatus 1000 can be, for example, a base station or a device placed in a base station.
  • the device 1000 includes a transmitting unit 1001 and a receiving unit 1002.
  • the sending unit 1001 is configured to send a communication message to the terminal device, where the communication message includes a first carrier aggregation CA band combination set supported by the wireless communication network, and the receiving unit 1002 is configured to receive terminal device capability information from the terminal device.
  • the terminal device capability information includes a second CA band combination set for wireless communication, where the second CA band combination set is a combination of the first CA band combination set and the third CA band combination supported by the terminal device. The intersection of.
  • the elements and algorithm steps of the various examples described in connection with the previously disclosed embodiments can be in the form of computer software, electronic hardware, or a combination of computer software and electronic hardware. to fulfill. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution.
  • the respective units may be software units executed by the processor.
  • the electronic hardware can be a hardware acceleration device other than the processor.
  • the apparatus corresponding to FIG. 9 or FIG. 10 may be executed by the processor to implement the processing flow of the terminal device or the base station in the previous method embodiment.
  • FIG. 11 is a schematic structural diagram of an apparatus 1100 for performing a method for assisting reporting capability information of a terminal device according to another embodiment of the present disclosure.
  • the apparatus 1100 can be configured to perform the steps in the method of assisting reporting of terminal device capability information in an embodiment.
  • the device 1100 can be, for example, a base station or a device placed in a base station, such as a circuit board that is primarily used for functional implementation.
  • the base station 1100 may include one or more radio frequency units, such as a remote radio unit (RRU) 1101 and one or more baseband units (BBUs) (also referred to as digital units). , digital unit, DU) 1102.
  • RRU remote radio unit
  • BBUs baseband units
  • DU digital unit
  • the RRU 1101 may be referred to as a transceiver device, which may include at least one antenna 1111 and a radio frequency unit 1112.
  • the RRU1101 is mainly used for transmitting and receiving radio frequency signals and converting radio frequency signals and baseband signals, for example, for transmitting the notification message, the terminal device capability query message or the receiving terminal device capability information described in the foregoing embodiment to the terminal device.
  • the radio frequency unit 1112 is used for converting between the radio frequency signal and the baseband signal, and the antenna 1111 is used for transmitting and receiving radio frequency signals. Similar to Figure 3, the radio frequency unit 1112 of Figure 11 can include a communication circuit or transceiver.
  • the BBU 1102 part is mainly used for performing baseband processing, controlling a base station, and the like.
  • the RRU 1101 and the BBU 1102 may be physically disposed together or physically separated, that is, distributed base stations.
  • the BBU 1102 is a control center of the device 1100, which may also be referred to as a processing unit, and is mainly used to perform baseband processing functions such as channel coding, multiplexing, modulation, spreading, and the like.
  • the BBU 1102 can be used by the control device 1100 to perform an operation procedure for assisting reporting of terminal device capability information in the foregoing method embodiments.
  • the BBU 1102 includes a memory 1121 and a processor 1122.
  • the memory 1121 is used to store necessary instructions and data.
  • the memory 1121 stores the notification message, the terminal device capability inquiry message, the terminal device capability information, and the like in the above embodiment.
  • the processor 1122 is configured to control the base station to perform the necessary actions, for example, to control the base station to perform an operation procedure for assisting reporting of the terminal device capability information in the foregoing method embodiment.
  • the device 1100 may further include a bus system, and the transceiver, the memory 1121, and the processor 1122 may be connected by a bus system.
  • An embodiment of the present invention further provides an apparatus for reporting capability information of a terminal device, where the apparatus may include one or more chips, and the apparatus includes a processor 301 and a communication circuit as shown in FIG. 303.
  • the processor 301 is configured to perform, according to the previous embodiment, a method for reporting terminal device capability information, for example, determining, according to the communication message, a first set of CA frequency bands supported by the wireless communication network, and acquiring The second set of CA frequency combinations of the wireless communication may also optionally include an operation of updating the mapping relationship.
  • the transmitting or receiving is implemented by driving or controlling the communication circuit 303 when the processor 301 transmits or receives various types of signals, such as receiving a communication message or a terminal device capability inquiry message and transmitting terminal device capability information. Therefore, at the time of signal transmission and reception, the processor 301 is a decision maker or controller of the transceiving operation, and the communication circuit 303 is a specific executor.
  • the embodiment of the present invention further provides an apparatus for assisting reporting capability information of a terminal device, where the apparatus may include one or more chips, and the apparatus includes a processor 1122 and a radio frequency unit 1112 as shown in FIG.
  • the processor 1122 performs a method for assisting in reporting terminal device capability information, such as generating a communication message as mentioned in the previous embodiment.
  • the transmitting or receiving is implemented by driving or controlling the radio frequency unit 1112 when the processor 1122 transmits or receives various types of signals, such as transmitting a communication message or a terminal device capability query message and receiving terminal device capability information. Therefore, at the time of signal transmission and reception, the processor 1122 is a decision maker or controller of the transceiving operation, and the radio frequency unit 1112 is a specific executor.
  • the functions in the apparatus or method of the described embodiments can be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a separate product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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

Abstract

La présente invention concerne un procédé de rapport d'informations de capacité de dispositif terminal, un appareil et un système, destinés à être utilisés pour économiser des ressources de communication. Le procédé consiste à : recevoir un message de communication provenant d'un réseau de communication sans fil ; déterminer un premier ensemble de combinaisons de bandes de fréquences CA pris en charge par le réseau de communication sans fil sur la base du message de communication ; obtenir un deuxième ensemble de combinaisons de bandes de fréquences CA pour une communication sans fil, le deuxième ensemble de combinaisons de bandes de fréquences CA étant une intersection du premier ensemble de combinaisons de bandes de fréquences CA et d'un troisième ensemble de combinaisons de bandes de fréquences CA pris en charge par un dispositif terminal, le premier ensemble de combinaisons de bandes de fréquences CA, le deuxième ensemble de combinaisons de bandes de fréquences CA et le troisième ensemble de combinaisons de bandes de fréquences CA comprenant au moins une combinaison de bandes de fréquences CA et chaque combinaison de bandes de fréquences CA étant utilisée pour indiquer une configuration CA correspondant à au moins une bande de fréquences ; et envoyer les informations de capacité de dispositif terminal au réseau de communication sans fil, les informations de capacité de dispositif terminal comprenant le deuxième ensemble de combinaisons de bandes de fréquences CA.
PCT/CN2019/071971 2018-01-16 2019-01-16 Procédé de rapport d'information de capacité de dispositif terminal, appareil et système WO2019141189A1 (fr)

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