WO2024078192A1 - Procédé de configuration de bande passante spécifique à un terminal, et dispositif associé - Google Patents

Procédé de configuration de bande passante spécifique à un terminal, et dispositif associé Download PDF

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Publication number
WO2024078192A1
WO2024078192A1 PCT/CN2023/116832 CN2023116832W WO2024078192A1 WO 2024078192 A1 WO2024078192 A1 WO 2024078192A1 CN 2023116832 W CN2023116832 W CN 2023116832W WO 2024078192 A1 WO2024078192 A1 WO 2024078192A1
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WIPO (PCT)
Prior art keywords
bandwidth
terminal
terminal device
standard
carrier
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PCT/CN2023/116832
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English (en)
Chinese (zh)
Inventor
高磊
杨姗
佘小明
陈鹏
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中国电信股份有限公司
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Publication of WO2024078192A1 publication Critical patent/WO2024078192A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a terminal dedicated bandwidth configuration method, a network device, a terminal device, a communication system, an electronic device, a computer-readable storage medium, and a computer program product.
  • the Long Term Evolution (LTE) system supports multiple standard cell bandwidths, including 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz.
  • the Evolved NodeB (eNB) sends the standard bandwidth information it uses to the User Equipment (UE). After the UE learns the RRC reconfiguration and downlink control information, it can determine to map the relevant transmission channels to the physical resources corresponding to the standard bandwidth.
  • a smaller CBW solution is usually used for irregular bandwidth, that is, a standard bandwidth slightly smaller than the irregular bandwidth is used for coverage. This solution causes a waste of physical resource blocks and a poor user experience.
  • the present disclosure provides a terminal dedicated bandwidth configuration method and related devices, which at least to a certain extent overcome the existing irregular bandwidth situation, and the problem of low resource utilization caused by the inability to use all physical resource blocks of the irregular bandwidth.
  • a method for configuring terminal-specific bandwidth which is applied to a network device, and the method comprises: sending a carrier bandwidth to a terminal device via broadcast information; when the terminal device accesses a cell, receiving a report from the terminal device as to whether it has the capability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth; if the terminal device has the capability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth, configuring a first standard bandwidth for the terminal device, the first standard bandwidth being greater than the carrier bandwidth.
  • sending the carrier bandwidth to the terminal device through broadcast information includes: sending the carrier bandwidth in the system message block 1 SIB1.
  • the carrier bandwidth is represented by the maximum number of physical resource blocks that can be used by the irregular bandwidth.
  • the maximum number of physical resource blocks that can be used by the irregular bandwidth is obtained by: determining an adjacent standard bandwidth of the irregular bandwidth, wherein the adjacent standard bandwidth includes an adjacent standard bandwidth that is larger than the irregular bandwidth, or the adjacent standard bandwidth includes an adjacent standard bandwidth that is smaller than the irregular bandwidth; and determining the maximum number of physical resource blocks that can be used by the irregular bandwidth based on a protection band of the adjacent standard bandwidth.
  • a first standard bandwidth is configured for the terminal device, including: configuring a first uplink standard bandwidth and a first downlink standard bandwidth for the terminal device.
  • the method further includes: for a terminal device that has not reported the ability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth, determining that the terminal device supports configuration of the second standard bandwidth, and the second standard bandwidth is smaller than the carrier bandwidth.
  • a terminal-specific bandwidth configuration method which is applied to a terminal device, and the method includes: receiving a carrier bandwidth sent by a network device via broadcast information; accessing a cell via an initial standard bandwidth based on the carrier bandwidth; reporting to the network device whether it has the ability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth; if it has the ability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth, accessing the cell via a first standard bandwidth configured by the network device for the terminal device, the first standard bandwidth being greater than the carrier bandwidth.
  • the method further includes: reporting to the network device whether it has the ability to support configuring a terminal-specific bandwidth greater than the carrier bandwidth, including: reporting on the frequency band where each irregular bandwidth is located or the uplink and downlink transmission direction of the terminal device.
  • the network device if the network device does not have the ability to support the configuration of a terminal-specific bandwidth that is greater than the carrier bandwidth, there is no need to report to the network device whether the network device has the ability to support the configuration of a terminal-specific bandwidth that is greater than the carrier bandwidth; the cell is accessed through the second standard bandwidth configured by the network device, and the second standard bandwidth is smaller than the carrier bandwidth.
  • a network device including: a sending module, used to send the carrier bandwidth to the terminal device through broadcast information; a first receiving module, used to receive, when the terminal device accesses a cell, a report from the terminal device as to whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth; and a configuration module, used to configure a first standard bandwidth for the terminal device if the terminal device has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, the first standard bandwidth being greater than the carrier bandwidth.
  • a terminal device comprising: a second receiving module for receiving a carrier bandwidth sent by a network device through broadcast information; a connecting module for connecting the carrier bandwidth according to the irregular bandwidth; width, accessing the cell through the initial standard bandwidth; a reporting module, used to report to the network device whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth; the second receiving module is also used to, if it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, access the cell through the first standard bandwidth configured by the network device for the terminal device, and the first standard bandwidth is greater than the carrier bandwidth.
  • a communication system including a network device and a terminal device, wherein the network device is used to send a carrier bandwidth to the terminal device via broadcast information; when the terminal device accesses a cell, the terminal device receives a report from the terminal device as to whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth; if the terminal device has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, a first standard bandwidth is configured for the terminal device, and the first standard bandwidth is greater than the carrier bandwidth; the terminal device is used to receive the carrier bandwidth sent by the network device via broadcast information; access the cell via the initial standard bandwidth according to the carrier bandwidth; report to the network device whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth; if it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, the terminal device accesses the cell via the first standard bandwidth configured for the terminal device by the network device, and the first standard bandwidth
  • an electronic device comprising: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to execute the above-mentioned terminal-specific bandwidth configuration method by executing the executable instructions.
  • a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the terminal-specific bandwidth configuration method described above is implemented.
  • a computer program product comprising a computer program or computer instructions, the computer program or the computer instructions being loaded and executed by a processor so that a computer implements any of the above-mentioned terminal-specific bandwidth configuration methods.
  • FIG1 is a schematic diagram showing a system architecture provided by an embodiment of the present disclosure
  • FIG2 shows a flow chart of a method for configuring a terminal dedicated bandwidth provided by an embodiment of the present disclosure
  • FIG3 shows a flow chart of another method for configuring dedicated bandwidth for a terminal provided by an embodiment of the present disclosure
  • FIG4 shows an interaction diagram of a method for configuring a terminal-specific bandwidth provided by an embodiment of the present disclosure
  • FIG5 shows a flow chart of another method for configuring terminal-specific bandwidth provided by an embodiment of the present disclosure
  • FIG6 is a schematic diagram showing the structure of a network device provided by an embodiment of the present disclosure.
  • FIG7 is a schematic diagram showing the structure of a terminal device provided in an embodiment of the present disclosure.
  • FIG8 is a schematic diagram showing the structure of a communication system provided by an embodiment of the present disclosure.
  • FIG9 shows a structural block diagram of an electronic device provided by an embodiment of the present disclosure.
  • FIG. 10 shows a schematic diagram of a computer-readable storage medium provided in an embodiment of the present disclosure.
  • FIG1 is a schematic diagram showing an exemplary system architecture that can be applied to a terminal-specific bandwidth configuration method according to an embodiment of the present disclosure.
  • the system architecture 100 may include a terminal device 110 , a network 120 , and a server 130 .
  • the network 120 is used to provide a medium for a communication link between the terminal device 110 and the server 130.
  • the network 120 may be a wired network or a wireless network.
  • the network 120 includes a radio access network (RAN) and a core network.
  • RAN radio access network
  • Network 120 is typically the Internet, but may also be any network, including but not limited to a local area network (LAN), a metropolitan area network (MAN), a wide area network (WAN), a mobile, wired or wireless network, a dedicated network or any combination of a virtual private network).
  • technologies and/or formats including Hyper Text Mark-up Language (HTML), Extensible Markup Language (XML), etc. are used to represent data exchanged over the network.
  • conventional encryption technologies such as Secure Socket Layer (SSL), Transport Layer Security (TLS), Virtual Private Network (VPN), Internet Protocol Security (IPsec), etc. may be used to encrypt all or some links.
  • customized and/or dedicated data communication technologies may also be used to replace or supplement the above data communication technologies.
  • the wireless access network includes network equipment, which can be, for example, a wireless access network entity; the core network includes core network equipment. Among them, the wireless access network entity can also be called a base station.
  • the wireless access network can provide network services for the terminal device 110 through the network equipment, and different operators can provide different network services for the terminal device 110. It can also be understood that different operators correspond to different operator networks.
  • the terminal device 110 also known as terminal, user terminal, user equipment (UE), etc., can be various electronic devices, including but not limited to smart phones, tablet computers, laptop computers, desktop computers, etc.
  • the client of the application installed in different terminal devices 110 is the same, or is a client of the same type of application based on different operating systems. Based on the different terminal platforms, the specific form of the client of the application can also be different, for example, the application client can be a mobile client, a PC client, etc.
  • the server 130 may be a server that provides various services, such as a background management server that provides support for devices operated by the user using the terminal device 110.
  • the background management server may analyze and process the received request and other data, and feed back the processing results to the terminal device 110.
  • server 130 can be an independent physical server, or a server cluster or distributed system composed of multiple physical servers. It can also be a cloud server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, CDN (Content Delivery Network), as well as big data and artificial intelligence platforms.
  • cloud server provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, CDN (Content Delivery Network), as well as big data and artificial intelligence platforms.
  • terminal devices 110, networks 120, and servers 130 in FIG1 is merely illustrative, and any number of terminal devices 110, networks 120, and servers 130 may be provided according to actual needs.
  • the embodiments of the present disclosure are not limited thereto.
  • the carrier bandwidth of some 4G re-cultivated spectrum is not defined in the 5G R17 standard. Take a certain communication operator as an example. For example, in the 800MHz frequency band, it has a total spectrum bandwidth of 11MHz, from 824MHz to 835MHz or from 869MHz to 880MHz. However, in the current 5G standard, 11MHz is not defined. These spectrum bandwidths are called irregular bandwidths, or non-standard bandwidths. In the 11MHz irregular bandwidth scenario, the relevant technology uses a standard bandwidth of 10MHz for coverage. This solution is called a smaller CBW (Channel Bandwidth) solution.
  • CBW Channel Bandwidth
  • UE-specific CBW terminal dedicated bandwidth
  • UE-specific CBW is used to Indicates the bandwidth size and carrier position of the CBW of a specific terminal device to support users to flexibly use the spectrum.
  • the standard does not explicitly specify that the UE-specific CBW must be limited to the BS (Base Station) CBW, in normal scenarios, the UE-specific CBW is still included in the CBW indicated in SIB1. If the network device configures a UE-specific CBW for the terminal device that exceeds the CBW indicated in SIB1, the terminal device cannot be guaranteed to work properly.
  • irregular bandwidth For the case of irregular bandwidth, take the irregular bandwidth of 11MHz as an example. Under the smaller CBW solution, only 10MHz carrier bandwidth can be used to cover the 11MHz spectrum.
  • the subcarrier spacing is 15kHz (i.e. SCS@15kHz)
  • the maximum number of physical resource blocks (PRBs) available for the 10MHz carrier bandwidth is 52PRBs
  • the maximum number of PRBs available for the 11MHz spectrum is 56PRBs. It can be seen that in the irregular bandwidth scenario, compared with the standard bandwidth scenario, 4PRB resources will be wasted.
  • the 3GPP RAN4 meeting discussed whether the terminal equipment supports UE-specific CBW greater than the CBW indicated by SIB1 for irregular bandwidth SI. However, no unified opinion was reached.
  • terminal devices can support UE-specific CBW greater than the CBW indicated by SIB1. If all terminal devices are required to support it, some terminal devices may not work properly. If all terminal devices are not required to support it, it will cause a waste of scarce spectrum resources in the non-regular bandwidth scenario. How to reasonably use non-regular bandwidth to improve the utilization rate of scarce spectrum resources has become an urgent problem to be solved.
  • a terminal-dedicated bandwidth configuration method is provided in an embodiment of the present disclosure, wherein the network device sends the non-regular bandwidth to the terminal device via broadcast information, and the terminal device accesses the cell via a first standard bandwidth slightly smaller than the non-regular bandwidth according to the 38.331 protocol, and receives a report from the terminal device as to whether it has the ability to support the configuration of a terminal-dedicated bandwidth greater than the carrier bandwidth. If the terminal device has the above capability, a second standard bandwidth slightly larger than the non-regular bandwidth is configured for the terminal device.
  • a terminal capability reporting mechanism is introduced to enable the network device to configure a terminal-dedicated bandwidth for the terminal device according to the terminal capability report, thereby improving the utilization rate of the non-regular bandwidth, avoiding the waste of scarce spectrum resources, and improving the user experience.
  • a method for configuring a terminal-specific bandwidth is provided in an embodiment of the present disclosure, and the method can be executed by any electronic device with computing and processing capabilities.
  • the method for configuring a terminal-specific bandwidth provided in an embodiment of the present disclosure can be executed by a terminal device; in other embodiments, the method for configuring a terminal-specific bandwidth provided in an embodiment of the present disclosure can be executed by a network device, such as a base station; in other embodiments, the method based on CAG model communication provided in an embodiment of the present disclosure can also be implemented by a terminal device and a network device through interaction.
  • FIG2 shows a flow chart of a method for configuring a terminal dedicated bandwidth provided by an embodiment of the present disclosure.
  • the method for configuring a terminal dedicated bandwidth provided by an embodiment of the present disclosure is applied to a network device, and the method includes:
  • S202 Send the carrier bandwidth to the terminal device via broadcast information.
  • the broadcast information may send the carrier bandwidth to the terminal device in the system information block 1 (System Information Block 1, SIB1), and the broadcast information may also send the initial bandwidth part (Bandwidth Part, BWP) in SIB1.
  • SIB1 System Information Block 1
  • BWP initial bandwidth part
  • the carrier bandwidth is represented by the maximum number of physical resource blocks that can be used for the irregular bandwidth, and the carrier bandwidth may include at least one irregular bandwidth of different frequency bands, or the carrier bandwidth may also include at least one irregular bandwidth of the same frequency band.
  • the receiving terminal device reports whether it has the capability to support configuring a terminal-specific bandwidth (UE-specific CBW) that is larger than the carrier bandwidth.
  • UE-specific CBW terminal-specific bandwidth
  • the terminal device receives SIB1 sent by the network device (such as gNB), and according to the description of the 38.331 protocol, the terminal device accesses the cell through the initial standard bandwidth, where the initial standard bandwidth is the standard bandwidth actually used by the terminal device when accessing the cell this time.
  • the initial standard bandwidth is the standard bandwidth actually used by the terminal device when accessing the cell this time.
  • the terminal device determines the standard bandwidth that can be transmitted between the initial BWP and the carrier bandwidth according to the description of the 38.331 protocol, such as 10MHz, and accesses the cell through the 10MHz standard bandwidth.
  • the terminal device When establishing communication between a terminal device and a network device, the terminal device can use a variety of methods to report whether it has the ability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth, so that the network device can configure the corresponding standard bandwidth based on the above capabilities of the terminal device.
  • the terminal device sends the above capability information to the network device through an RRC connection establishment completion message; it can also send it to the network device by sending an Attach message carrying the above capability information; it can also send the above capability information to the network device by sending a TAU request message, a service request message or a dedicated capability report message carrying the above capability information.
  • the above-mentioned capabilities of the terminal device can be optionally reported. For terminal devices that do not have the above-mentioned capabilities, there is no need to report them; for terminal devices that have the above-mentioned capabilities, the above-mentioned capabilities are reported.
  • a capability identifier can be used to indicate whether the terminal device has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, and the capability identifier can be represented by numbers, text, symbols, etc.
  • the capability identifier uses 0 to indicate that the terminal device does not have the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, and the capability identifier uses 1 to indicate that the terminal device has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth.
  • reporting method and content of the above capabilities of the terminal device can be determined according to actual conditions.
  • a first standard bandwidth is configured for the terminal device, where the first standard bandwidth is greater than the carrier bandwidth.
  • the network device if the network device receives a signal from the terminal device that it has the capability to support the configuration of a UE-specific CBW greater than the carrier bandwidth indicated by SIB1, the network device configures the first standard bandwidth of the terminal device so that the terminal device accesses the cell according to the first standard bandwidth, and the first standard bandwidth is greater than the adjacent standard bandwidth of the carrier bandwidth.
  • the bandwidth is accurate, so there is no need to change or upgrade network equipment, and high-quality services can be provided to terminal devices, improving user experience.
  • the network device may carry the first standard bandwidth information in a dedicated message sent to the UE.
  • dedicated messages include: RRC connection establishment message, Attach acceptance message, or RRC reconfiguration message, etc.
  • the first standard bandwidth may be an adjacent standard bandwidth that is larger than the carrier bandwidth.
  • the carrier bandwidth is 11 MHz
  • the first standard bandwidth may be determined to be 15 MHz.
  • configuring a second standard bandwidth for the terminal device includes: configuring an uplink first standard bandwidth and a downlink first standard bandwidth for the terminal device.
  • the embodiment of the present disclosure provides a method for configuring terminal-dedicated bandwidth.
  • the network device sends the carrier bandwidth to the terminal device through broadcast information.
  • the terminal device accesses the cell through the initial standard bandwidth according to the 38.331 protocol.
  • the receiving terminal device reports whether it has the ability to support the configuration of a terminal-dedicated bandwidth greater than the carrier bandwidth. If the terminal device has the above capability, a first standard bandwidth slightly larger than the irregular bandwidth is configured for the terminal device.
  • a terminal capability reporting mechanism is introduced to enable the network device to configure the terminal-dedicated bandwidth for the terminal device according to the terminal capability report, thereby improving the utilization rate of the irregular bandwidth, avoiding the waste of scarce spectrum resources, and improving the user experience.
  • the carrier bandwidth is represented by the maximum number of physical resource blocks that can be used by the irregular bandwidth.
  • the maximum number of physical resource blocks that can be used for the irregular bandwidth is obtained by: determining the adjacent standard bandwidth of the irregular bandwidth, wherein the adjacent standard bandwidth includes an adjacent standard bandwidth that is larger than the irregular bandwidth, or the adjacent standard bandwidth includes an adjacent standard bandwidth that is smaller than the irregular bandwidth; and determining the maximum number of physical resource blocks that can be used for the irregular bandwidth based on the protection band of the adjacent standard bandwidth.
  • the operator determines the maximum available standard bandwidth and irregular bandwidth according to the available bandwidth, and can obtain the adjacent standard bandwidth of the irregular bandwidth. For example, if the irregular bandwidth is 11 MHz, the adjacent standard bandwidth can be 10 MHz or 15 MHz.
  • a guard band (Guard Band) adjacent to the standard bandwidth is used to meet the first standard bandwidth requirement of the terminal device.
  • the maximum number of PRBs that can be used for the irregular bandwidth can be determined based on the guard band.
  • the network device receives a report from the terminal device that it does not have the ability to support a terminal-specific bandwidth greater than the carrier bandwidth indicated by SIB1, and determines that the terminal device supports configuring a second standard bandwidth, and the second standard bandwidth is less than the carrier bandwidth.
  • the second standard bandwidth is an adjacent standard bandwidth less than the carrier bandwidth.
  • a second standard bandwidth slightly smaller than the carrier bandwidth is used to provide services for the terminal device.
  • the carrier bandwidth is 11 MHz
  • the second standard bandwidth can be covered by 10 MHz.
  • the network device sends the non-regular bandwidth to the terminal device through broadcast information, the terminal device accesses the cell through the first standard bandwidth slightly smaller than the non-regular bandwidth according to the 38.331 protocol, and receives the report of whether the terminal device has the ability to support the configuration of the terminal dedicated bandwidth greater than the carrier bandwidth. If the terminal device does not have the above capability, a second standard bandwidth slightly smaller than the non-regular bandwidth is configured for the terminal device.
  • the network device configures the terminal dedicated bandwidth for the terminal device according to the terminal capability report, thereby improving the utilization rate of the non-regular bandwidth, avoiding the waste of scarce spectrum resources, and improving the user experience.
  • a method for configuring a terminal dedicated bandwidth mainly includes the following processes:
  • gNB 410 sends the carrier bandwidth to the terminal device 110 via broadcast information.
  • the broadcast information can send the carrier bandwidth to the terminal device in the system message block 1 SIB1, or send the initial BWP to the terminal device in SIB1, and the carrier bandwidth is greater than the initial BWP; the carrier bandwidth can include at least one irregular bandwidth in different frequency bands, and can also include at least one irregular bandwidth in the same frequency band.
  • the terminal device 110 accesses the cell through the initial standard bandwidth.
  • the initial standard bandwidth is between the initial BWP and the carrier bandwidth.
  • gNB 410 receives a report from terminal device 110 as to whether it has the capability to support configuration greater than the irregular bandwidth.
  • the gNB 410 configures the first standard bandwidth for the terminal device 110.
  • the terminal device 110 accesses the cell through the first standard bandwidth.
  • the first standard bandwidth is an adjacent standard bandwidth that is larger than the carrier bandwidth.
  • gNB410 configures a second standard bandwidth for the terminal device 110.
  • the terminal device accesses the cell through the second standard bandwidth.
  • the second standard bandwidth is an adjacent standard bandwidth that is smaller than the carrier bandwidth.
  • FIG5 shows a flow chart of another method for configuring a terminal dedicated bandwidth provided by an embodiment of the present disclosure.
  • the terminal dedicated bandwidth configuration method of this embodiment is applied to a terminal device, and includes:
  • S502 Receive the carrier bandwidth sent by the network device through broadcast information.
  • S504 Access the cell through the initial standard bandwidth according to the carrier bandwidth.
  • the initial standard bandwidth here is the standard bandwidth actually used by the terminal device when accessing the cell this time.
  • S506 Report to the network device whether it has the capability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth.
  • the terminal device If the terminal has the capability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth, the terminal device is configured with a first standard bandwidth to access the cell through the network device, where the first standard bandwidth is greater than the irregular bandwidth.
  • the network device if the network device receives a signal from the terminal device that supports the configuration of a UE-specific CBW with a carrier bandwidth greater than that indicated by SIB1, the network device configures the first standard bandwidth of the terminal device, and the terminal device accesses the cell according to the first standard bandwidth, where the first standard bandwidth is greater than the carrier bandwidth.
  • the network device can provide high-quality services to the terminal device and improve user experience without changing or upgrading the network device.
  • the carrier bandwidth includes irregular bandwidths of different frequency bands, and the frequency bands where the irregular bandwidths are located are reported, or the uplink and downlink transmission directions of the terminal device are reported. It should be noted that the disclosure does not specifically limit the manner of reporting terminal capabilities.
  • the terminal-specific bandwidth configuration method also includes: if there is no ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, there is no need to report to the network device whether there is the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, and the cell is accessed through the second standard bandwidth configured by the network device, and the second standard bandwidth is an adjacent standard bandwidth that is smaller than the carrier bandwidth.
  • the terminal device can report to a network device that it does not have the ability to support a terminal-specific bandwidth that is greater than a non-standard bandwidth, and the network device configures a second standard bandwidth for the terminal device, where the second standard bandwidth is an adjacent standard bandwidth that is less than the carrier bandwidth.
  • the terminal device When a terminal device accesses a cell through the initial standard bandwidth, the terminal device reports the above capability to the network device only if the terminal device has the capability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth. For the terminal device that reports the capability, the network device determines that the terminal device can be configured with a terminal-specific CBW greater than the CBW indicated by SIB1 (i.e., the first standard bandwidth mentioned above). If the terminal device does not have the capability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, the network device defaults to the terminal device only supporting the configuration of a terminal-specific CBW included in the CBW indicated by SIB1 (i.e., the second standard bandwidth mentioned above). By means of optional reporting of capabilities, the bandwidth occupancy by data is reduced and the spectrum efficiency of irregular bandwidth is improved.
  • the terminal device may optionally report whether it has the capability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth.
  • it may also be implemented by setting a configuration identifier, for example, if the terminal device has the capability, the configuration identifier is set to 1, and if the terminal device does not have the capability, the configuration identifier is set to 0, so that the network device determines whether the terminal device has the capability according to the configuration identifier.
  • terminal-specific bandwidth configuration method is executed in the same manner on the network device side and on the terminal device side, and the similarities are not repeated here.
  • a terminal dedicated bandwidth configuration method is provided in an embodiment of the present disclosure.
  • the terminal device receives the carrier bandwidth sent by the network device through broadcast information, and accesses the cell through the initial standard bandwidth according to the 38.331 protocol.
  • the terminal device communicates with the network device and reports to the network device whether it has the ability to support the configuration of a terminal dedicated bandwidth greater than the carrier bandwidth. If the terminal device has the above capability, the cell is accessed through the first standard bandwidth configured by the network device that is slightly larger than the carrier bandwidth. Therefore, for irregular bandwidth scenarios, by introducing a terminal capability reporting mechanism, the terminal device can enjoy the terminal dedicated bandwidth specially configured for it by the network device, thereby improving the user experience and meeting the requirements of relevant standards without adjusting the network device.
  • the embodiments of the present disclosure also provide a network device and a terminal device, as described in the following embodiments. Since the principle of solving the problem in the device embodiment is similar to that in the above method embodiment, the implementation of the device embodiment can refer to the implementation of the above method embodiment, and the repeated parts will not be repeated.
  • FIG6 shows a schematic diagram of a network device in an embodiment of the present disclosure.
  • the network device includes a sending module 601, a first receiving module 602 and a configuration module 603, wherein:
  • the sending module 601 is used to send the carrier bandwidth to the terminal device through broadcast information
  • the first receiving module 602 is used to receive, when the terminal device accesses the cell, whether the terminal device has the capability to support configuration of a terminal dedicated bandwidth greater than the carrier bandwidth;
  • the configuration module 603 is used to configure a first standard bandwidth for the terminal device if the terminal device has the capability of supporting configuration of a terminal-specific bandwidth greater than the carrier bandwidth, where the first standard bandwidth is greater than the carrier bandwidth.
  • the sending module 601 is used to send the carrier bandwidth in the system message block 1 SIB1.
  • the carrier bandwidth is represented by the maximum number of physical resource blocks that can be used for irregular bandwidth.
  • the network device also includes a PRB determination module not shown in the accompanying drawings, wherein the PRB determination module is used to determine the maximum number of physical resource blocks that can be used for the irregular bandwidth, specifically to determine the adjacent standard bandwidth of the irregular bandwidth, wherein the adjacent standard bandwidth includes an adjacent standard bandwidth that is larger than the irregular bandwidth, or the adjacent standard bandwidth includes an adjacent standard bandwidth that is smaller than the irregular bandwidth; based on the protection band of the adjacent standard bandwidth, the maximum number of physical resource blocks that can be used for the irregular bandwidth is determined.
  • the PRB determination module is used to determine the maximum number of physical resource blocks that can be used for the irregular bandwidth, specifically to determine the adjacent standard bandwidth of the irregular bandwidth, wherein the adjacent standard bandwidth includes an adjacent standard bandwidth that is larger than the irregular bandwidth, or the adjacent standard bandwidth includes an adjacent standard bandwidth that is smaller than the irregular bandwidth; based on the protection band of the adjacent standard bandwidth, the maximum number of physical resource blocks that can be used for the irregular bandwidth is determined.
  • the configuration module 603 is used to configure the second uplink standard bandwidth and the second downlink standard bandwidth for the terminal device.
  • the configuration module 603 is also used to determine that the terminal device supports configuring a second standard bandwidth that is smaller than the carrier bandwidth for a terminal that has not reported the ability to support configuring a terminal-specific bandwidth greater than the carrier bandwidth.
  • a network device provided by an embodiment of the present disclosure sends a carrier bandwidth to a terminal device through a sending module.
  • a first receiving module receives information reported by the terminal device as to whether it has the ability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth. If the terminal device has the above ability, If the terminal device has the capability to access the cell, the configuration module configures a first standard bandwidth that is slightly larger than the carrier bandwidth for the terminal device, so that the terminal device can access the cell through the first standard bandwidth. Therefore, for the irregular bandwidth scenario, by introducing the terminal capability reporting mechanism, the terminal device can enjoy the terminal-specific bandwidth specially configured for it by the network device, thereby improving the user experience and meeting the requirements of the relevant standards without adjusting the network device.
  • FIG7 shows a schematic diagram of a terminal device in an embodiment of the present disclosure.
  • the terminal device in this embodiment includes a second receiving module 701, a connecting module 702 and a reporting module 703, wherein:
  • the second receiving module 701 is used to receive the carrier bandwidth sent by the network device through broadcast information
  • a connection module 702 configured to access a cell through an initial standard bandwidth according to a non-regular bandwidth
  • the second receiving module 701 is further used to configure a first standard bandwidth greater than the carrier bandwidth for the terminal device to access the cell through the network device if the terminal device has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth.
  • the first standard bandwidth is greater than the carrier bandwidth.
  • the carrier bandwidth includes irregular bandwidths of different frequency bands
  • the reporting module 703 is used to report on the frequency bands where the various irregular bandwidths are located, or to report on the uplink and downlink transmission directions of the terminal device.
  • connection module 702 is also used to, if it does not have the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, there is no need to report to the network device whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth; access the cell through the second standard bandwidth configured by the network device, and the second standard bandwidth is less than the carrier bandwidth.
  • a terminal device provided by an embodiment of the present disclosure receives a carrier bandwidth sent by a network device through broadcast information through a second receiving module, a connection module enables the terminal device to access a cell through an initial standard bandwidth according to the 38.331 protocol, the terminal device communicates with the network device, and a reporting module reports to the network device whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth. If the terminal device has the above-mentioned capability, the cell is accessed through a first standard bandwidth configured by the network device that is slightly larger than the irregular bandwidth. Therefore, for irregular bandwidth scenarios, by introducing a terminal capability reporting mechanism, the terminal device can enjoy the terminal-specific bandwidth specially configured for it by the network device, thereby improving user experience and meeting the requirements of relevant standards without adjusting the network device.
  • FIG8 is a schematic diagram showing the structure of a communication system provided by an embodiment of the present disclosure.
  • the communication system of this embodiment includes a network device 810 and a terminal device 110, wherein:
  • the network device 810 is configured to send the carrier bandwidth to the terminal device 110 through broadcast information; when the terminal device 110 accesses the cell, receive information reported by the terminal device 110 as to whether it has the capability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth; if the terminal device 110 has the capability to support configuration of a terminal-specific bandwidth greater than the carrier bandwidth, configure a first standard bandwidth for the terminal device 110, where the first standard bandwidth is greater than the carrier bandwidth;
  • the terminal device 110 is used to receive the carrier bandwidth sent by the network device 810 through broadcast information; access the cell through the initial standard bandwidth according to the non-regular bandwidth; report to the network device 810 whether it has a support configuration greater than The ability of a terminal dedicated bandwidth greater than the carrier bandwidth; if it has the ability to support the configuration of a terminal dedicated bandwidth greater than the carrier bandwidth, the first standard bandwidth configured for the terminal device 110 through the network device 810 accesses the cell.
  • the network device disclosed in the present invention sends the carrier bandwidth to the terminal device through broadcast information.
  • the terminal device accesses the cell through the initial standard bandwidth according to the 38.331 protocol, and receives the report from the terminal device on whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth. If the terminal device has the above capability, a first standard bandwidth slightly larger than the carrier bandwidth is configured for the terminal device.
  • a terminal capability reporting mechanism is introduced to enable the network device to configure a terminal-specific bandwidth for the terminal device according to the terminal capability report, thereby improving the utilization rate of the irregular bandwidth, avoiding the waste of scarce spectrum resources, and improving the user experience.
  • the electronic device 900 according to this embodiment of the present disclosure is described below with reference to Fig. 9.
  • the electronic device 900 shown in Fig. 9 is only an example and should not bring any limitation to the functions and scope of use of the embodiment of the present disclosure.
  • the electronic device 900 is presented in the form of a general computing device.
  • the components of the electronic device 900 may include but are not limited to: at least one processing unit 910, at least one storage unit 920, and a bus 930 connecting different system components (including the storage unit 920 and the processing unit 910).
  • the storage unit stores a program code, and the program code can be executed by the processing unit 910, so that the processing unit 910 executes the steps described in the above "Exemplary Method" section of this specification according to various exemplary embodiments of the present disclosure.
  • the processing unit 910 can execute the following steps of the above method embodiment: sending the carrier bandwidth to the terminal device through broadcast information; when the terminal device accesses the cell, receiving the terminal device's report on whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth; if the terminal device has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, configuring a first standard bandwidth for the terminal device, and the first standard bandwidth is greater than the irregular bandwidth.
  • the processing unit 910 can also perform the following steps of the above-mentioned method embodiment: receiving the carrier bandwidth sent by the network device through broadcast information; accessing the cell through the initial standard bandwidth according to the carrier bandwidth; reporting to the network device whether it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth; if it has the ability to support the configuration of a terminal-specific bandwidth greater than the carrier bandwidth, accessing the cell through the first standard bandwidth configured by the network device for the terminal device, and the first standard bandwidth is greater than the carrier bandwidth.
  • the storage unit 920 may include a readable medium in the form of a volatile storage unit, such as a random access storage unit (RAM) 9201 and/or a cache storage unit 9202 , and may further include a read-only storage unit (ROM) 9203 .
  • RAM random access storage unit
  • ROM read-only storage unit
  • the storage unit 920 may also include a program/utility having a set (at least one) of program modules 9205.
  • program modules 9205 include but are not limited to: an operating system, one or more application programs, other program modules and program data, each of which or some combination may include the implementation of a network environment.
  • Bus 930 may represent one or more of several types of bus structures, including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.
  • the electronic device 900 may also communicate with one or more external devices 940 (e.g., keyboards, pointing devices, Bluetooth devices, etc.), may also communicate with one or more devices that enable a user to interact with the electronic device 900, and/or communicate with any device that enables the electronic device 900 to communicate with one or more other computing devices (e.g., routers, modems, etc.). Such communication may be performed via an input/output (I/O) interface 950.
  • the electronic device 900 may also communicate with one or more networks (e.g., local area networks (LANs), wide area networks (WANs), and/or public networks, such as the Internet) via a network adapter 960. As shown in FIG.
  • the network adapter 960 communicates with other modules of the electronic device 900 via a bus 930. It should be understood that, although not shown in the figure, other hardware and/or software modules may be used in conjunction with the electronic device 900, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, etc.
  • the technical solution according to the implementation of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network, including several instructions to enable a computing device (which can be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the implementation of the present disclosure.
  • a non-volatile storage medium which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.
  • a computing device which can be a personal computer, a server, a terminal device, or a network device, etc.
  • the process described above with reference to the flowchart may be implemented as a computer program product, which includes: a computer program, which implements the above terminal-specific bandwidth configuration method when executed by a processor.
  • a computer-readable storage medium is also provided, and the computer-readable storage medium may be a readable signal medium or a readable storage medium.
  • FIG10 shows a schematic diagram of a computer-readable storage medium provided in an embodiment of the present disclosure.
  • a program product capable of implementing the above-mentioned method of the present disclosure is stored on the computer-readable storage medium 1000.
  • a computer program product is also provided, and the computer program product includes a computer program or a computer instruction, and the computer program or the computer instruction is loaded and executed by a processor so that the computer implements any of the above-mentioned terminal-specific bandwidth configuration methods.
  • Computer-readable storage media in the present disclosure may include, but are not limited to, an electrical connection having one or more conductors, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
  • a computer readable storage medium may include a data signal propagated in baseband or as part of a carrier wave, wherein a readable program code is carried. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above.
  • a readable signal medium may also be any readable medium other than a readable storage medium, which may send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device.
  • the program code contained on the computer-readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the foregoing.
  • the program code for performing the operations of the present disclosure may be written in any combination of one or more programming languages, including object-oriented programming languages such as Java, C++, etc., and conventional procedural programming languages such as "C" or similar programming languages.
  • the program code may be executed entirely on the user computing device, partially on the user device, as a separate software package, partially on the user computing device and partially on a remote computing device, or entirely on a remote computing device or server.
  • the remote computing device may be connected to the user computing device through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computing device (e.g., using an Internet service provider to connect through the Internet).
  • LAN local area network
  • WAN wide area network
  • the technical solution according to the implementation mode of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which can be a personal computer, a server, a mobile terminal, or a network device, etc.) to execute the method according to the implementation mode of the present disclosure.
  • a non-volatile storage medium which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.
  • a computing device which can be a personal computer, a server, a mobile terminal, or a network device, etc.

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

Abstract

La présente divulgation concerne un procédé de configuration de bande passante spécifique à un terminal. Le procédé de configuration comprend : la fourniture d'une bande passante de porteuse à un dispositif terminal au moyen d'informations de diffusion ; lorsque le dispositif terminal accède à une cellule, la réception d'un rapport qui provient du dispositif terminal et indique si le dispositif terminal a la capacité de prendre en charge la configuration d'une bande passante spécifique au terminal qui est plus grande que la bande passante de porteuse ; et si le dispositif terminal a la capacité de prendre en charge la configuration d'une bande passante spécifique au terminal qui est plus grande que la bande passante de porteuse, la configuration d'une première bande passante standard pour le dispositif terminal, la première bande passante standard étant plus grande que la bande passante de porteuse. Dans la présente divulgation, pour un scénario de bande passante non classique, un rapport de capacité de terminal est introduit, et un dispositif de réseau configure pour un terminal une bande passante spécifique au terminal de sorte que le débit de données du terminal, qui a la capacité de prendre en charge la configuration d'une bande passante spécifique au terminal qui est plus grande qu'une bande passante de porteuse, est augmenté et le taux d'utilisation du spectre est augmenté.
PCT/CN2023/116832 2022-10-09 2023-09-04 Procédé de configuration de bande passante spécifique à un terminal, et dispositif associé WO2024078192A1 (fr)

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