WO2018094712A1 - Système, appareil et procédé de configuration de réseau d'accès sans fil - Google Patents

Système, appareil et procédé de configuration de réseau d'accès sans fil Download PDF

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Publication number
WO2018094712A1
WO2018094712A1 PCT/CN2016/107384 CN2016107384W WO2018094712A1 WO 2018094712 A1 WO2018094712 A1 WO 2018094712A1 CN 2016107384 W CN2016107384 W CN 2016107384W WO 2018094712 A1 WO2018094712 A1 WO 2018094712A1
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Prior art keywords
communication service
technology
network device
air interface
network
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PCT/CN2016/107384
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English (en)
Chinese (zh)
Inventor
庄宏成
张莉莉
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华为技术有限公司
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Priority to CN201680091126.1A priority Critical patent/CN109997392B/zh
Priority to PCT/CN2016/107384 priority patent/WO2018094712A1/fr
Publication of WO2018094712A1 publication Critical patent/WO2018094712A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of wireless communications technologies, and in particular, to a wireless access network configuration method, apparatus, and system.
  • the existing radio access network has at least one common air interface (AI), and the basic physical layer parameters of the air interface are configured by default, so that the terminal can obtain wireless configuration information of other air interfaces through the public air interface.
  • the wireless configuration information includes time-frequency resources and waveform parameters occupied by air interfaces, radio frame configuration, multiple access modes, and other air interface parameters.
  • next-generation wireless network needs to support a variety of scenarios and services, and different scenarios and services have different requirements, such as enhanced mobile broadband (eMBB) services requiring higher data rates.
  • eMBB enhanced mobile broadband
  • Massive Machine Type Communication (mMTC) requires a large number of connections, and ultra-Reliable and Low Latency Communication (uRLLC) requires low latency and high reliability.
  • mMTC Massive Machine Type Communication
  • uRLLC ultra-Reliable and Low Latency Communication
  • the next generation of wireless networks is becoming increasingly dense, and the global state of the network is more dynamic.
  • the existing radio access network uses an air interface technology to support all scenarios and services, which obviously cannot be applied to the next generation wireless network with high flexibility, that is, in the next generation wireless network, if an air interface technology is used. Matching different services and application scenarios will result in lower efficiency of wireless resource utilization.
  • the present application describes a method, apparatus, and system for configuring a wireless access network.
  • an embodiment of the present application provides a radio access network configuration method, where the method includes: a network device receiving a performance requirement of a communication service sent by a user equipment (UE); the network device according to the communication service The performance requirement is to determine an air interface (AI) technology capable of implementing the communication service; the network device determines configuration parameters of the AI technology according to network resource usage; and the network device configures parameters of the AI technology Notifying other networks that implement the communication service Device and/or the UE.
  • AI air interface
  • the AI technology can be flexibly configured for the communication service, and the efficiency of the wireless resource and the experience of the user using the communication service are improved.
  • the configuration parameters of the AI technology include: a basic parameter and an extended parameter; the basic parameter includes: at least one of a wireless waveform, a multiple access mode, or a channel coding mode; and the extended parameter includes : at least one of a radio frame structure, a scheduling policy, a frequency point, a bandwidth, a power, a code rate, or a modulation scheme.
  • the network device notifying the configuration parameters of the AI technology to other network devices and/or the UE that implement the communication service, including: the network device, by using the first signaling
  • the basic parameters of the AI technology are used to notify other network devices and/or the UE that implement the communication service; the network device notifies the extended network parameters of the AI technology to implement other network devices of the communication service by using the second signaling. / or the UE.
  • the basic parameters and the extended parameters are separately configured with different signaling, so that the communication service can be flexibly matched to the air interface technology.
  • the configuration parameters include configuration parameter values or configuration parameter indexes.
  • the network side device receives the performance requirement of the communication service sent by the user equipment UE, and the network side device receives the communication service request sent by the user equipment UE, where the communication service request includes the communication Performance requirements for the business.
  • the performance requirements of the communication service include at least one of a service packet size, a delay requirement, a throughput requirement, or a bit error rate requirement.
  • the network resource usage includes network resource occupancy or network device processing capability.
  • the determining, by the network device, the configuration parameter of the AI technology according to the network resource usage includes: determining, by the network device, the configuration parameter of the AI technology according to the network resource usage situation periodically or as needed. In this way, the configuration parameters of the AI technology can be dynamically updated, so that the communication service can be flexibly matched to the air interface technology.
  • the network device determines, according to the performance requirement of the communication service, that the air interface AI technology capable of implementing the communication service includes: the network device determines, according to the performance requirement of the communication service, periodically or as needed An air interface AI technology that implements the communication service.
  • the determined AI technology can be dynamically updated, so that the communication service can be flexibly matched to the air interface technology.
  • the network device determines, according to the performance requirement of the communication service, that the air interface AI technology capable of implementing the communication service includes: determining, by the network device, a plurality of implementable devices according to performance requirements of the communication service.
  • the air interface AI technology of the communication service selects an AI technology in which the performance requirements of the communication service are most matched. In this way, the AI technology can be selected according to the priority, so that the air interface technology can be better matched for the communication service.
  • the network device determines, according to the performance requirement of the communication service, that the air interface AI technology capable of implementing the communication service includes: the network device determines, according to a performance requirement of the communication service and a correspondence table of the AI technology, An AI technology that implements the communication service.
  • the process of determining the AI technology can be simplified by looking up the table, so that the air interface technology can be better matched for the communication service.
  • the performance requirement of the network device to receive the communication service sent by the user equipment includes:
  • the network device receives the performance requirement of the communication service sent by the user equipment by using a preset first air interface technology.
  • an embodiment of the present application provides a radio access network configuration method, where the method includes: a user equipment UE receives a network resource usage situation and an air interface AI technology sent by a network device; and the UE according to a performance requirement of the communication service Determining an air interface AI technology capable of implementing the communication service; the UE determining a configuration parameter of the AI technology according to the network resource usage situation; the UE notifying a configuration parameter of the AI technology to a network implementing the communication service device.
  • the AI technology can be flexibly configured for the communication service, and the efficiency of the wireless resource and the experience of the user using the communication service are improved.
  • the configuration parameters of the AI technology include: a basic parameter and an extended parameter; the basic parameter includes: at least one of a wireless waveform, a multiple access mode, or a channel coding mode; and the extended parameter includes : at least one of a radio frame structure, a scheduling policy, a frequency point, a bandwidth, a power, a code rate, or a modulation scheme.
  • the UE notifying the configuration parameter of the AI technology to the network device that implements the communication service includes: the UE notifying the basic parameter of the AI technology by using the first signaling a network device of the communication service; the UE notifying the network device that implements the communication service by using the second signaling to extend the extended parameter of the AI technology.
  • the basic parameters and the extended parameters are separately configured with different signaling, so that the communication service can be flexibly matched to the air interface technology.
  • the configuration parameters include configuration parameter values or configuration parameter indexes.
  • the performance requirements of the communication service include at least one of a service packet size, a delay requirement, a throughput requirement, or a bit error rate requirement.
  • the network resource usage includes network resource occupancy or network device processing capability.
  • the determining, by the UE, the configuration parameter of the AI technology according to the network resource usage situation includes: determining, by the UE, configuration parameters of the AI technology according to network resource usage status periodically or on demand. In this way, the configuration parameters of the AI technology can be dynamically updated, so that the communication service can be flexibly matched to the air interface technology.
  • the determining, by the UE, the air interface AI technology capable of implementing the communication service according to performance requirements of the communication service includes: determining, by the UE, that the communication service can be implemented periodically or on demand according to performance requirements of the communication service. Air interface AI technology. In this way, the determined AI technology can be dynamically updated, so that the communication service can be flexibly matched to the air interface technology.
  • the determining, by the UE, the air interface AI technology capable of implementing the communication service according to the performance requirement of the communication service includes: determining, by the UE, that the plurality of communication services can be implemented according to the performance requirement of the communication service.
  • the air interface AI technology selects an AI technology in which the performance requirements of the communication service are most matched. In this way, the AI technology can be selected according to the priority, so that the air interface technology can be better matched for the communication service.
  • the determining, by the UE, the air interface AI technology capable of implementing the communication service according to the performance requirement of the communication service includes: determining, by the UE, that the performance requirement of the communication service and the correspondence table of the AI technology can be implemented.
  • the AI technology of the communication service In this way, the process of determining the AI technology can be simplified by looking up the table, so that the air interface technology can be better matched for the communication service.
  • the method further includes: the UE transmitting, to the network device, a performance requirement of a communication service, so that the network device determines, according to performance requirements of the communication service, an air interface capable of implementing the communication service. AI technology.
  • the UE receives the network resource usage and the air interface AI technology sent by the network device, including:
  • the UE receives the network resource usage and the air interface AI technology sent by the network device by using a preset first air interface technology.
  • the embodiment of the present invention provides a network device, which may be a base station or a control node.
  • an embodiment of the present invention provides a base station, which has a function of realizing the behavior of a base station in the actual method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the structure of the base station includes a processor and a transceiver configured to support the base station to perform the corresponding functions in the above methods.
  • the transmitter is configured to support communication between the base station and the UE, and send information or instructions involved in the foregoing method to the UE, and receive information or instructions sent by the base station.
  • the base station can also include a memory for coupling with the processor that stores the necessary program instructions and data for the base station.
  • an embodiment of the present invention provides a UE, where the UE has a function of implementing UE behavior in the foregoing method design.
  • the UE may be a cellular UE.
  • the function can be implemented by hardware, and the structure of the UE includes a transceiver and a processor.
  • the corresponding software implementation can also be performed by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the modules can be software and/or hardware.
  • an embodiment of the present invention provides a control node, which may include a controller/processor, a memory, and a communication unit.
  • the controller/processor may be used to coordinate resource management and configuration between multiple base stations, and may be used to perform the radio access network configuration method described in the foregoing embodiments.
  • the memory can be used to store program code and data for the control node.
  • the communication unit is configured to support the control node to communicate with the base station and/or the UE, for example, to send the radio access network configuration information to the base station and/or the UE.
  • an embodiment of the present invention provides a communication system, where the system includes the base station and the UE, and the UE includes a cellular UE.
  • the control node in the above embodiment may also be included.
  • an embodiment of the present invention provides a computer storage medium for storing computer software instructions for use by the base station/control node, including a program designed to perform the above aspects.
  • an embodiment of the present invention provides a computer storage medium for storing computer software instructions used by the UE, including a program designed to perform the above aspects.
  • the AI technology can be flexibly configured for the communication service, and the efficiency of the wireless resource and the experience of the user using the communication service are improved. Further, parameters that need to be statically configured and parameters that need to be dynamically adjusted can be distinguished, basic parameters and extended parameters are separately configured with different signaling, and the AI technology and its configuration parameters can be dynamically updated, and can also be selected according to priorities. Said The AI technology and the process of determining the AI technology by means of table lookup can better match the air interface technology to the communication service.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a communication method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of another communication method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a control node according to an embodiment of the present invention.
  • an embodiment of the present invention provides a communication system 100.
  • the communication system 100 includes at least one base station (BS) and a plurality of UEs.
  • the plurality of UEs in the communication system 100 include at least one UE that can be used for cellular communication.
  • Cellular communication refers to communication between a UE and a base station.
  • a UE performing cellular communication has a function of performing cellular communication with a base station, and may also be referred to as a cellular UE or a cellular terminal.
  • multiple UEs may be identified as UEs 40A-40E, and multiple base stations may be identified as BS20, BS22, and BS24, respectively, and cellular communications may be performed between the UEs 40A-40E and the base stations 20-24, respectively.
  • a cellular link exists between the UE 40A-40E and the base station 20-24.
  • the multiple UEs may be located. Under the coverage of different base stations, the multiple UEs may be served by different base stations. For example, UE 40A and UE 40B are located under the coverage of base station 22, UE 40B, UE 40C and UE 40E are located under the coverage of base station 20, UE 40D and UE 40E are located under the coverage of base station 24, and UE 40A, UE 40C and UE 40D are served by base station 22, base station 20 and base station 24, respectively.
  • the UE 40B is served by the base station 22 and the base station 20; the UE 40E is served by the base station 20 and the base station 24.
  • the plurality of base stations can be controlled by one control node.
  • base station 20, base station 22, and base station 24 can all be controlled by control node 60.
  • multiple base stations can exchange information with each other, and one of the base stations controls as a control node, and the base station as the control node can perform unified resource scheduling according to information sent by other base stations and information obtained and maintained by itself. Management, etc.
  • the base station 20 can be used as a control node.
  • the functions of the control node can also be implemented by other base stations.
  • the embodiments of the present invention are not limited.
  • the communication system 100 may be various radio access technology (RAT) systems, such as, for example, code division multiple access (CDMA), time division multiple access (time division). Multiple access (TDMA), frequency division multiple access (FDMA), orthogonal frequency-division multiple access (OFDMA), single carrier frequency division multiple access (single carrier FDMA, SC-FDMA) ) and other systems.
  • RAT radio access technology
  • CDMA code division multiple access
  • time division time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency-division multiple access
  • SC-FDMA single carrier frequency division multiple access
  • CDMA2000 can cover the interim standard (IS) 2000 (IS-2000), IS-95 and IS-856 standards.
  • the TDMA system can implement a wireless technology such as a global system for mobile communication (GSM).
  • GSM global system for mobile communication
  • An OFDMA system can implement such as evolved universal radio land access (evolved UTRA, E-UTRA), ultra mobile broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash OFDMA And other wireless technologies.
  • UTRA and E-UTRA are universal mobile telecommunications systems (UMTS) and UMTS evolved versions.
  • the various versions of 3GPP in long term evolution (LTE) and LTE-based evolution are new versions of UMTS that use E-UTRA.
  • the communication system 100 can also be applied to future-oriented communication technologies, such as new radio (NR), and the technical solutions provided by the embodiments of the present invention are applicable to the communication system including the new communication technology, including the cellular communication.
  • NR new radio
  • the system architecture and service scenario described in the embodiments of the present invention are The technical solutions of the embodiments of the present invention are more clearly described, and do not constitute a limitation of the technical solutions provided by the embodiments of the present invention.
  • Those skilled in the art may appreciate that with the evolution of the network architecture and the emergence of new service scenarios, the present invention The technical solutions provided by the embodiments are equally applicable to similar technical problems.
  • the base station (for example, the base station 20) is a device deployed in the radio access network to provide a wireless communication function for the UE.
  • the base station may include various forms of macro base stations, micro base stations (also referred to as small stations), relay stations, access points, and the like.
  • the name of a device having a base station function may be different, for example, in an LTE system, an evolved Node B (evolved NodeB, eNB or eNodeB), in the third In a 3rd generation (3G) system, it is called a Node B or the like.
  • the foregoing apparatus for providing a wireless communication function to a UE is collectively referred to as a base station or a BS.
  • the control node is connected to one or more base stations, and may perform unified scheduling on resources in the system, and may allocate resources to the UE, perform resource reuse decision, or interfere with coordination.
  • the control node may connect a plurality of base stations and allocate resources for a plurality of cellular UEs covered by the plurality of base stations.
  • the base station may be a Node B in a UMTS system, and the control node may be a network controller.
  • the base station may be a small station, and the control node may be a macro base station that covers the small station.
  • the control node may be a wireless network cross-system cooperative controller or the like, and the base station is a base station in the wireless network, which is not limited in the embodiment of the present invention.
  • the UE involved in the embodiments of the present invention may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem.
  • the UE may also be referred to as a mobile station (MS), a terminal, a terminal equipment, and may also include a subscriber unit, a cellular phone, and a smart phone. Phone), wireless data card, personal digital assistant (PDA) computer, tablet computer, wireless modem, handheld, laptop computer, cordless phone Or a wireless local loop (WLL) station, a machine type communication (MTC) terminal, or the like.
  • MS mobile station
  • PDA personal digital assistant
  • WLL wireless local loop
  • MTC machine type communication
  • the number and type of UEs included in the communication system 100 shown in FIG. 1 are merely exemplary, and the embodiment of the present invention is not limited thereto. For example, it can also include more communication with the base station.
  • the cellular UE of the letter for the sake of brevity, is not described in the drawings.
  • the communication system 100 shown in FIG. 1 although the base station 20-24 and the plurality of UEs are shown, the communication system 100 may not be limited to include the base station and the UE, and may also include a core network. Devices or devices for carrying virtualized network functions, etc., will be apparent to those of ordinary skill in the art and will not be described in detail herein.
  • the network device receives the performance requirement of the communication service sent by the user equipment (UE); and the network device determines, according to the performance requirement of the communication service, the air interface that can implement the communication service. (air interface, AI) technology; the network device determines configuration parameters of the AI technology according to network resource usage; the network device notifies the configuration parameters of the AI technology to implement other network devices of the communication service and/or Or the UE.
  • the other network device that implements the communication service and the UE perform data transmission according to the received configuration parameters of the AI technology. Therefore, according to the method provided by the embodiment of the present invention, the AI technology can be flexibly configured for the communication service, and the efficiency of the radio resource and the experience of the user using the communication service are improved.
  • the performance requirement of the network device receiving the communication service sent by the user equipment includes:
  • the network device receives the performance requirement of the communication service sent by the user equipment by using a preset first air interface technology.
  • the network device and the user equipment may use all the air interface technologies that can communicate.
  • the preset first air interface technology is not limited in the embodiment of the present invention.
  • the configuration parameters of the AI technology include: a basic parameter and an extended parameter; the basic parameter includes: at least one of a wireless waveform, a multiple access mode, or a channel coding mode; and the extended parameter includes: At least one of a radio frame structure, a scheduling policy, a frequency point, a bandwidth, a power, a code rate, or a modulation scheme.
  • the basic parameter includes: at least one of a wireless waveform, a multiple access mode, or a channel coding mode
  • the extended parameter includes: At least one of a radio frame structure, a scheduling policy, a frequency point, a bandwidth, a power, a code rate, or a modulation scheme.
  • the basic parameters of AI 1 include: a wireless waveform is filtered-orthogonal frequency division multiplexing (f-OFDM), and a channel coding method is a polarization code Polar-Code, multiple access
  • the input parameters are sparse code multiple access (SCMA)
  • SCMA sparse code multiple access
  • the extended parameters may include, for example, a subcarrier spacing, a symbol length, a cyclic prefix length, a duplex mode, and a transmission time interval length in a radio frame structure.
  • the bandwidth/frequency is 800M/10MHz
  • the modulation mode is modulation and coding scheme (MCS)1, that is, the code rate is 5/6
  • the modulation mode is 16 Quadrature Amplitude Modulation (QAM).
  • the scheduling strategy is no scheduling; the basic parameters of AI 2 include: the wireless waveform is a filter bank multi carrier (FBMC), the channel coding mode is Turbo code, and the multiple access is orthogonal frequency division multiple access.
  • FBMC filter bank multi carrier
  • OFDMA orthogonal frequency division multiple access
  • the extended parameter may include the same parameters as AI 1, and the scheduling policy is a contention-based scheduling policy.
  • the network device may be a base station, or a control node connected to the base station, or any network side device having resource configuration, resource scheduling, or resource multiplexing decision function.
  • the network device notifying the configuration parameter of the AI technology to the other network device and/or the UE that implements the communication service the network device:
  • the basic parameters of the AI technology are used to notify other network devices and/or the UE that implement the communication service; the network device notifies the extended network parameters of the AI technology to implement other network devices of the communication service by using the second signaling. / or the UE.
  • the basic parameters and the extended parameters are separately configured with different signaling, so that the communication service can be flexibly matched to the air interface technology.
  • the first signaling may be an interface message between the control node and the base station, such as an S1 interface or an application layer X2 interface in the control plane;
  • the second signaling may be an interface message between the control node and the user terminal, Such as radio resource control (RRC) messages.
  • RRC radio resource control
  • the first signaling and the second signaling may be the same signaling, that is, sending the basic parameter and the extended parameter by using the same signaling.
  • the configuration parameter includes a configuration parameter value or a configuration parameter index.
  • the network side device receives the performance requirement of the communication service sent by the user equipment UE, and the network side device receives the communication service request sent by the user equipment UE, where the communication service request includes the communication Performance requirements for the business.
  • the performance requirement of the communication service includes at least one of a service packet size, a delay requirement, a throughput requirement, or a bit error rate requirement.
  • the network resource usage situation includes a network resource occupation situation or a network device processing capability.
  • the network device determining, by the network device, the configuration parameter of the AI technology according to the network resource usage situation, the network device determining the configuration parameter of the AI technology according to the network resource usage situation periodically or on demand.
  • the configuration parameters of the AI technology can be dynamically updated, so that the communication service can be flexibly matched to the air interface technology.
  • the determining, by the network device, the air interface AI technology capable of implementing the communication service according to the performance requirement of the communication service includes: determining, by the network device, that the network device can periodically or as needed according to the performance requirement of the communication service.
  • An air interface AI technology that implements the communication service includes: determining, by the network device, that the network device can periodically or as needed according to the performance requirement of the communication service.
  • the determining, by the network device, the air interface AI technology capable of implementing the communication service according to the performance requirement of the communication service includes: determining, by the network device, a plurality of implementable devices according to performance requirements of the communication service
  • the air interface AI technology of the communication service selects an AI technology in which the performance requirements of the communication service are most matched. In this way, the AI technology can be selected according to the priority, so that the air interface technology can be better matched for the communication service.
  • the determining, by the network device, the air interface AI technology capable of implementing the communication service according to the performance requirement of the communication service includes: determining, by the network device, that the performance requirement of the communication service and the correspondence table of the AI technology are An AI technology that implements the communication service. In this way, the process of determining the AI technology can be simplified by looking up the table, so that the air interface technology can be better matched for the communication service.
  • AI 1 and AI 2 which meet the performance requirements of the mMTC service, have higher priority, so it is also the air interface technology that best matches the mMTC service; similarly, it can satisfy the performance of the eMBB service.
  • the requirements include AI 2, AI 3 and AI 4, and AI 2 has the highest priority, so it is also the air interface technology that best matches the eMBB service.
  • the performance requirement of the communication service and the correspondence table of the AI technology may be updated according to the appearance of the new service type or according to the performance requirement of the existing service type.
  • a network device receives a user equipment (UE), such as UE 40B, for transmitting a communication service request, the communication service request including performance requirements of the communication service;
  • Performance requirements include at least one of a service packet size, a latency requirement, a throughput requirement, or a bit error rate requirement.
  • the network device may adopt the radio access network configuration method described in the foregoing embodiment of the present invention, and the radio access network resource may be configured as shown in FIG. 1 .
  • the network device determines an air interface (AI) technology capable of implementing the communication service according to a correspondence table according to performance requirements of the communication service and the AI technology.
  • AI air interface
  • the correspondence table between the performance requirement of the communication service and the AI technology includes multiple air interface technologies capable of implementing the communication service, and the highest priority is selected, that is, the air interface that best matches the communication service. technology.
  • the performance requirement of the communication service and the correspondence table of the AI technology may be updated according to the appearance of the new service type or according to the performance requirement of the existing service type.
  • the network device determines the configuration of the AI technology according to network resource usage. parameter.
  • the network resource usage includes a network resource occupation or a network device processing capability.
  • the configuration parameter of the AI technology includes: a basic parameter and an extended parameter; the basic parameter includes: at least one of a wireless waveform, a multiple access mode, or a channel coding mode; and the extended parameter includes: a wireless frame At least one of a structure, a scheduling policy, a frequency point, a bandwidth, a power, a code rate, or a modulation scheme.
  • the configuration parameter includes a configuration parameter value or a configuration parameter index.
  • the network device notifies, by using the first signaling, basic parameters of the AI technology to other network devices that implement the communication service, such as the base station 22 and the base station 20, and/or the UE; the network The device notifies the extended parameters of the AI technology by the second signaling to other network devices that implement the communication service, such as the base station 22 and the base station 20, and/or the UE.
  • the first signaling may be an interface message between the control node and the base station, such as an S1 interface or an application layer X2 interface in the control plane;
  • the second signaling may be an interface message between the control node and the user terminal, such as wireless Radio resource control (RRC) message.
  • RRC Radio resource control
  • the first signaling and the second signaling may also be the same signaling, that is, sending the basic parameter and the extended parameter by using the same signaling.
  • the AI technology can be flexibly configured for the communication service, and the efficiency of the wireless resource and the experience of the user using the communication service are improved.
  • the solution of this embodiment may also include part 206.
  • the network device notifies the updated network parameters of the AI technology to other network devices and/or the UEs that implement the communication service, periodically or on demand.
  • the technical solution provided by the embodiment of the present invention may further provide a data transmission method.
  • the method further includes: a part 205: another network device that implements the communication service, and the UE receives the The configuration parameters of the AI technology are used for data transmission.
  • the user equipment UE receives the network resource usage situation and the air interface AI technology sent by the network device, and the UE determines the air interface AI technology capable of implementing the communication service according to the performance requirement of the communication service. And determining, by the UE, the configuration parameter of the AI technology according to the network resource usage situation; the UE notifying the configuration parameter of the AI technology to the network device that implements the communication service.
  • the AI technology can be flexibly configured for the communication service, and the The efficiency of line resources and the experience of users using communication services.
  • the UE receives the network resource usage and the air interface AI technology sent by the network device, and includes:
  • the UE receives the network resource usage and the air interface AI technology sent by the network device by using a preset first air interface technology.
  • the network device and the user equipment may use all the air interface technologies that can communicate.
  • the preset first air interface technology is not limited in the embodiment of the present invention.
  • the configuration parameters of the AI technology include: a basic parameter and an extended parameter; the basic parameter includes: at least one of a wireless waveform, a multiple access mode, or a channel coding mode; and the extended parameter includes: At least one of a radio frame structure, a scheduling policy, a frequency point, a bandwidth, a power, a code rate, or a modulation scheme.
  • the basic parameter includes: at least one of a wireless waveform, a multiple access mode, or a channel coding mode
  • the extended parameter includes: At least one of a radio frame structure, a scheduling policy, a frequency point, a bandwidth, a power, a code rate, or a modulation scheme.
  • the UE notifying the configuration parameter of the AI technology to the network device that implements the communication service includes: the UE notifying the basic parameter of the AI technology by using the first signaling to implement the communication a network device of the service; the UE notifying, by using the second signaling, the extended parameter of the AI technology, the network device that implements the communication service.
  • the basic parameters and the extended parameters are separately configured with different signaling, so that the communication service can be flexibly matched to the air interface technology.
  • the first signaling may be an interface message between the control node and the base station, such as an S1 interface or an application layer X2 interface in the control plane;
  • the second signaling may be an interface message between the control node and the user terminal, such as wireless Radio resource control (RRC) message.
  • RRC Radio resource control
  • the first signaling and the second signaling may be the same signaling, that is, sending the basic parameter and the extended parameter by using the same signaling.
  • the configuration parameter includes a configuration parameter value or a configuration parameter index.
  • the performance requirement of the communication service includes at least one of a service packet size, a delay requirement, a throughput requirement, or a bit error rate requirement.
  • the network resource usage situation includes a network resource occupation situation or a network device processing capability.
  • determining, by the UE, the configuration parameter of the AI technology according to the network resource usage situation the determining, by the UE, the configuration of the AI technology according to the network resource usage situation periodically or as needed. parameter.
  • the configuration parameters of the AI technology can be dynamically updated, so that the communication service can be flexibly matched to the air interface technology.
  • the determining, by the UE, the air interface AI technology that can implement the communication service according to the performance requirement of the communication service includes: determining, by the UE, the communication service that can implement the communication service periodically or on demand according to the performance requirement of the communication service. Air interface AI technology. In this way, the determined AI technology can be dynamically updated, so that the communication service can be flexibly matched to the air interface technology.
  • the determining, by the UE, the air interface AI technology that can implement the communication service according to the performance requirement of the communication service includes: determining, by the UE, that the plurality of communication services can be implemented according to the performance requirement of the communication service.
  • the air interface AI technology selects an AI technology in which the performance requirements of the communication service are most matched. In this way, the AI technology can be selected according to the priority, so that the air interface technology can be better matched for the communication service.
  • the determining, by the UE, the air interface AI technology that can implement the communication service according to the performance requirement of the communication service includes: determining, by the UE, that the performance requirement of the communication service and the correspondence table of the AI technology can be implemented.
  • the AI technology of the communication service In this way, the process of determining the AI technology can be simplified by looking up the table, so that the air interface technology can be better matched for the communication service.
  • the method further includes: the UE sending a performance requirement of the communication service to the network device, so that the network device determines, according to performance requirements of the communication service, an air interface capable of implementing the communication service. AI technology.
  • the user equipment UE receives a network device, such as the control node 60 and the base station 22, and sends a corresponding table of network resource usage and performance requirements of the communication service and the AI technology;
  • the user equipment may use the radio access network configuration method described in the foregoing embodiment of the present invention, and the radio access network resource may be configured as shown in FIG. 1 .
  • the UE determines an air interface AI technology capable of implementing the communication service according to performance requirements of the communication service;
  • the correspondence table between the performance requirement of the communication service and the AI technology includes multiple air interface technologies capable of implementing the communication service, and the highest priority is selected, that is, the air interface that best matches the communication service. technology.
  • the performance requirement of the communication service and the correspondence table of the AI technology may be according to a new service type. Updates occur or are updated based on performance requirements of existing business types.
  • the performance requirement of the communication service includes at least one of a service packet size, a delay requirement, a throughput requirement, or a bit error rate requirement.
  • the UE determines a configuration parameter of the AI technology according to the network resource usage situation
  • the network resource usage includes a network resource occupation or a network device processing capability.
  • the configuration parameter of the AI technology includes: a basic parameter and an extended parameter; the basic parameter includes: at least one of a wireless waveform, a multiple access mode, or a channel coding mode; and the extended parameter includes: a wireless frame At least one of a structure, a scheduling policy, a frequency point, a bandwidth, a power, a code rate, or a modulation scheme.
  • the configuration parameter includes a configuration parameter value or a configuration parameter index.
  • the UE notifies the network device that implements the communication service, such as the control node 60, the base station 22, and the base station 20, the configuration parameters of the AI technology.
  • the UE may further notify the control node 60 of the configuration parameter of the AI technology, and the control node 60 notifies the configuration parameter of the AI technology to implement other communication services by using the first signaling.
  • Network equipment such as base station 22 and base station 20;
  • the first signaling may be an interface message between the control node and the base station, such as an S1 interface or an application layer X2 interface in the control plane;
  • the AI technology can be flexibly configured for the communication service, and the efficiency of the wireless resource and the experience of the user using the communication service are improved.
  • the solution of this embodiment may also include a portion 306.
  • the UE sends a performance requirement change of the communication service to the network device, so that the network device updates an air interface AI technology capable of implementing the communication service according to the performance requirement of the communication service, such as the AI. Extended parameters of the technology.
  • the technical solution provided by the embodiment of the present invention may further provide a method for data transmission.
  • the method further includes: a part 305: another network device that implements the communication service, and the UE receives the The configuration parameters of the AI technology are used for data transmission.
  • the wireless access network configuration method provided by the embodiment of the present invention is introduced from the perspective of the interaction between the network elements and the network elements.
  • each network element such as a UE, a base station, a control node, etc.
  • the present invention can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
  • FIG. 4 shows a possible structural diagram of a base station involved in the above embodiment.
  • the base station may be base station 20, base station 22 or base station 24 as shown in FIG.
  • the base station shown includes a transceiver 401, a controller/processor 402.
  • the transceiver 401 can be configured to support sending and receiving information between the base station and the UE in the foregoing embodiment.
  • the controller/processor 402 can be used to perform various functions for communicating with a UE or other network device.
  • On the uplink the uplink signal from the UE is received via the antenna, coordinated by the transceiver 401, and further processed by the controller/processor 402 to recover the service data and signaling information transmitted by the UE.
  • traffic data and signaling messages are processed by controller/processor 402 and mediated by transceiver 401 to generate downlink signals for transmission to the UE via the antenna.
  • the transceiver 401 is further configured to perform the radio access network configuration method, as described in the foregoing embodiment, to receive a performance requirement of a communication service sent by the user equipment UE, and notify the configuration parameter of the AI technology to implement the communication service. Other network devices and/or the UE.
  • the controller/processor 402 is further configured to perform a radio access network configuration method as described in the foregoing embodiment, and determine an air interface AI technology capable of implementing the communication service according to performance requirements of the communication service, and use according to network resources. The situation determines the configuration parameters of the AI technology.
  • the transceiver 401 and the controller/processor 702 may also be used to perform the processes involved in the base station of FIG. 2 or FIG. 3 and/or other processes for the techniques described herein.
  • the base station may also include a memory 403 that may be used to store program codes and data of the base station.
  • the base station may further include a communication unit 404 for supporting the base station to communicate with other network entities. For example, it is used to support communication between a base station and other communication network entities shown in FIG. 1, such as control node 60 and the like.
  • Figure 4 only shows a simplified design of the base station.
  • the base station may include any number of transmitters, receivers, processors, controllers, memories, communication units, etc., and all base stations that can implement the present invention are within the scope of the present invention.
  • FIG. 5 is a simplified schematic diagram showing a possible design structure of a UE involved in the above embodiment.
  • the UE may be one of the UEs 40A-UE 40E as shown in FIG.
  • the UE includes a transceiver 501, a controller/processor 502, and may also include a memory 503 and a modem processor 504.
  • Transceiver 501 conditions (e.g., analog transforms, filters, amplifies, and upconverts, etc.) the output samples and generates an uplink signal that is transmitted via an antenna to the base station described in the above embodiments.
  • the antenna receives the downlink signal transmitted by the base station in the above embodiment.
  • Transceiver 501 conditions (eg, filters, amplifies, downconverts, digitizes, etc.) the signals received from the antenna and provides input samples.
  • encoder 5041 receives traffic data and signaling messages to be transmitted on the uplink and processes (e.g., formats, codes, and interleaves) the traffic data and signaling messages.
  • Modulator 5042 further processes (e.g., symbol maps and modulates) the encoded traffic data and signaling messages and provides output samples.
  • Demodulator 5044 processes (e.g., demodulates) the input samples and provides symbol estimates.
  • the decoder 5043 processes (e.g., deinterleaves and decodes) the symbol estimate and provides decoded data and signaling messages that are sent to the UE.
  • Encoder 5041, modulator 5042, demodulator 5044, and decoder 5043 may be implemented by a composite modem processor 504. These units are processed according to the radio access technology employed by the radio access network (e.g., access technologies of LTE and other evolved systems).
  • the transceiver 501 is further configured to perform processing performed by the UE in the foregoing embodiment. For example, receiving network resource usage and air interface AI technology sent by network devices.
  • the controller/processor 502 performs control management on the actions of the UE for performing the processing performed by the UE in the above embodiment. For example, determining an AI technology capable of implementing the communication service according to a performance requirement of the communication service, determining a configuration parameter of the AI technology according to the network resource usage, and notifying the configuration parameter of the AI technology to implement the communication service Network equipment.
  • the transceiver 501 and the controller/processor 502 may also be used to support the UE to perform the content related to the UE in FIG. 2 or FIG.
  • the memory 803 is used to store program codes and data for the UE.
  • Fig. 6 is a diagram showing the control node involved in the above embodiment.
  • the control node may be the control node 60 shown in FIG.
  • the control node may include a controller processor 601, a memory 602, and a communication unit 603.
  • the controller/processor 601 can be used to coordinate resource management and configuration between multiple base stations, can be used to perform the foregoing embodiment to perform radio access network configuration, and can perform frequency resource multiplexing between communication links. And decision making, etc.
  • Memory 602 can be used to store program code and data for the control node.
  • the communication unit 606 is configured to support the control node to communicate with the base station, for example, to send information of the configured radio access network to the base station.
  • the embodiment of the present invention provides a network device according to the foregoing embodiment, and the network device may be the base station as shown in FIG. 4 or the control node as described in FIG. 6.
  • the controller/processor for performing the above base station, UE, base station or control node of the present invention may be a central processing unit (CPU), a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), and an on-site Program gate array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the steps of a method or algorithm described in connection with the present disclosure may be implemented in a hardware, or may be implemented by a processor executing software instructions.
  • the software instructions may be comprised of corresponding software modules that may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable hard disk, CD-ROM, or any other form of storage well known in the art.
  • An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC. Additionally, the ASIC can be located in the user equipment.
  • the processor and the storage medium may also reside as discrete components in the user equipment.
  • the functions described herein can be implemented in hardware, software, firmware, or any combination thereof.
  • the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.

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

Abstract

La présente invention concerne le champ technique des communications sans fil. Un procédé de configuration de réseau d'accès sans fil est également fourni. Le procédé comprend les étapes suivantes : un dispositif de réseau reçoit une exigence de performance d'un service de communication envoyée par un équipement utilisateur (UE) ; le dispositif de réseau détermine une technique d'interface radio (AI) qui peut mettre en œuvre le service de communication conformément à l'exigence de performance du service de communication ; le dispositif de réseau détermine un paramètre de configuration de la technique AI conformément à une condition d'utilisation de ressource de réseau ; et le dispositif de réseau notifie d'autres dispositifs de réseau, qui mettent en œuvre le service de communication, et/ou l'UE du paramètre de configuration de la technique AI. La solution fournie par le présent mode de réalisation permet à une technique d'interface radio (AI) d'être configurée de manière flexible pour un service de communication, ce qui permet d'améliorer l'efficacité des ressources sans fil et l'expérience d'un utilisateur dans l'utilisation du service de communication.
PCT/CN2016/107384 2016-11-26 2016-11-26 Système, appareil et procédé de configuration de réseau d'accès sans fil WO2018094712A1 (fr)

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