WO2023098325A1 - Procédé d'attribution de ressources radio, dispositif radiofréquence, dispositif électronique et support de stockage - Google Patents

Procédé d'attribution de ressources radio, dispositif radiofréquence, dispositif électronique et support de stockage Download PDF

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WO2023098325A1
WO2023098325A1 PCT/CN2022/126005 CN2022126005W WO2023098325A1 WO 2023098325 A1 WO2023098325 A1 WO 2023098325A1 CN 2022126005 W CN2022126005 W CN 2022126005W WO 2023098325 A1 WO2023098325 A1 WO 2023098325A1
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radio frequency
network slice
network
slice
resources
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PCT/CN2022/126005
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English (en)
Chinese (zh)
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常虹
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中兴通讯股份有限公司
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the technical field of communications, and in particular to a wireless resource allocation method, a radio frequency device, electronic equipment, and a storage medium.
  • the millimeter wave uses the signal preprocessing technology of a large-scale antenna array.
  • the transmitter and receiver are composed of multiple sub-arrays to form an antenna array.
  • Each antenna array is mapped to a radio frequency channel, and each radio frequency channel is an antenna port.
  • the sub-arrays of each RF channel can independently use the RF phase shifter to control the beam to achieve beamforming for a single propagation direction of high-frequency signals. Therefore, for mmWave systems, all frequency domain resources of the same antenna port point to the same beam direction.
  • the purpose of this application is to solve the above problems and provide a wireless resource allocation method, a radio frequency device, an electronic device, and a storage medium.
  • the embodiment of this application realizes that in a multi-user sharing scenario, resources can be flexibly segmented and configured according to user needs to meet the needs of multiple users. Slice the needs of multiple users.
  • the embodiment of the present application provides a wireless resource allocation method, including: a resource requirement calculation step and a resource allocation step; a resource requirement calculation step, including: according to the transmission power of a single element of the antenna element and to meet the requirements of network slicing
  • the equivalent isotropic radiated power EIRP (equivalent isotropically radiated power, EIRP) of a single radio frequency channel required by the coverage requirements, calculate the number of arrays required for a single radio frequency channel of the network slice; according to the capacity and bandwidth configured for the network slice, determine The number of radio frequency channels required for network slicing; according to the number of elements required for a single radio frequency channel and the number of radio frequency channels, determine the total number of elements required for network slicing; wherein, the resource requirements for network slicing include the required number of elements for network slicing The total number of slices and the bandwidth; the resource allocation step, including: if the remaining resources meet the resource requirements of the network slice, allocate resources for the network slice
  • an embodiment of the present application provides a radio frequency transmitting device, including: a baseband signal processing module, m analog-to-digital conversion and up-conversion branches, a selection switch module, n antenna sub-arrays; m modulus
  • the input ends of the conversion and up-conversion branches are respectively connected to the m output ends of the baseband signal processing module, and the m input ends of the selection switch module are respectively connected to the output ends of the m analog-to-digital conversion and up-conversion branches.
  • the n output terminals of the switch module are respectively connected to the input terminals of the n antenna sub-arrays; wherein, the baseband signal processing module is used to process the data to be transmitted in the network slice into baseband signals according to the resources allocated by the network slice, and then output them to the module digital conversion and up-conversion branch, and control the selection switch module to connect the analog-to-digital conversion and up-conversion branch with the antenna subarray of the radio frequency channel corresponding to the network slice; the resources allocated to the network slice are obtained based on the above wireless resource allocation method ;
  • each antenna sub-array includes one or more antennas, and the total number of antennas contained in the antenna sub-array of the radio frequency channel corresponding to the network slice is the total number of antennas allocated to the network slice.
  • an embodiment of the present application also provides an electronic device, including: at least one processor; and a memory connected to the at least one processor in communication; wherein, the memory stores information that can be used by the Instructions executed by at least one processor, where the instructions are executed by the at least one processor, so that the at least one processor can execute the foregoing wireless resource allocation method.
  • an embodiment of the present application further provides a computer-readable storage medium, which stores a computer program, and implements the above wireless resource allocation method when the computer program is executed by a processor
  • the required EI RP of a single radio frequency channel is obtained through the coverage requirements of network slicing, and then combined with the transmission power of a single element, the number of elements required for network slicing is jointly obtained; through the capacity and bandwidth configured for network slicing, Obtain the number of radio frequency channels required for network slicing; finally obtain the total number of arrays required for network slicing, and after calculating the resource requirements for network slicing through the above process, flexibly configure the resources required for network slicing to achieve multi-slice and multi-user scenarios
  • system resources can be flexibly segmented to meet the needs of multiple slices and multiple users.
  • FIG. 1 is a schematic diagram of an application environment of a wireless resource allocation method provided by an embodiment of the present application
  • FIG. 2 is a schematic system architecture diagram of radio frequency channel resource management and configuration of a millimeter wave communication system provided by an embodiment of the present application;
  • FIG. 3 is a first flowchart of a radio resource allocation method provided by an embodiment of the present application.
  • FIG. 4 is a second flowchart of a radio resource allocation method provided by an embodiment of the present application.
  • FIG. 5 is a third flowchart of a radio resource allocation method provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a large-capacity private network scenario provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a wide-coverage network scenario provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a hybrid network slicing scenario provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of another hybrid network slicing scenario provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a multi-operator complete network sharing scenario provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a multi-operator incomplete network sharing scenario provided by an embodiment of the present application.
  • Fig. 12 is a schematic diagram of a radio frequency transmitting device provided by an embodiment of the present application.
  • Fig. 13 is a schematic diagram of an electronic device provided by an embodiment of the present application.
  • the embodiment of the present application relates to a method for allocating wireless resources, including: according to the transmit power of a single element of an antenna element and the EIRP of a single radio frequency channel required to meet the coverage requirements of a network slice, calculate the required radio frequency channel of a network slice The number of arrays; according to the capacity and bandwidth configured for network slicing, determine the number of radio frequency channels required for network slicing; determine the total number of arrays required for network slicing according to the number of arrays required for a single radio frequency channel and the number of radio frequency channels ; Wherein, the resource requirement of network slicing includes the total number of slots required by network slicing and the bandwidth; the resource allocation step includes: if the remaining resources meet the resource requirement of network slicing, allocate resources for said network slicing.
  • the embodiment of the present application provides an application environment, as shown in FIG. 1 , which mainly includes network devices and terminal devices.
  • Network devices communicate with terminal devices using millimeter wave frequency bands.
  • millimeter waves have shorter wavelengths, greater propagation loss, and poorer reflection and diffraction performance. Therefore, a larger-scale antenna array is usually used to obtain a shaped beam with greater performance gain, overcome propagation loss, and ensure coverage.
  • Millimeter-wave antennas have short wavelengths, small antenna element spacing and apertures, and small antenna arrays. Considering factors such as hardware complexity, cost overhead, and power consumption, the digital beamforming method used in low-frequency bands is unacceptable. The analog beam is way better.
  • Analog beamforming is a signal preprocessing technology based on antenna arrays.
  • the transmitter or receiver
  • the transmitter consists of multiple sub-arrays to form an antenna array.
  • Each sub-array can independently use RF phase shifters to control the beam.
  • the phaser realizes the beamforming of a single propagation direction of the high-frequency signal. Adjusting the weighting coefficient of each array element in the antenna array produces a directional beam, so that an obvious array gain can be obtained. Therefore, beamforming technology has great advantages in expanding coverage, improving edge throughput, and interference suppression.
  • the base station needs to support the beamforming function of the antenna array.
  • the embodiment of the present application also provides a schematic system architecture diagram of radio frequency channel resource management and configuration, as shown in FIG. 2 , which specifically includes: a scene identification module, an intelligent arrangement module and a configuration module.
  • the scene recognition module mainly identifies application scenarios based on the coverage requirements, capacity requirements, service requirements, and available bandwidth of shared users, and decides whether each user needs to slice, and the hardware resources that each slice needs to occupy, including the occupied radio frequency Number of channels, antenna elements, bandwidth, etc.
  • the intelligent arrangement module organizes the radio frequency channels into groups, outputs the number of groups, and the hardware resources occupied by each group.
  • the configuration module performs software and hardware configuration according to the grouping results.
  • some sub-arrays are merged and mapped into one radio frequency channel through the configuration selection switch, and different digital channels are mapped to different radio frequencies by selecting different data streams. aisle.
  • a logical resource such as a group ID
  • available logical resources for each user including cell ID, available bandwidth, number of channels, and channel ID.
  • the radio frequency channel resource management and configuration system is a software module, and the radio frequency channel resource management and configuration system runs the cell search method in the embodiment of the present application on a processor, where the processor may also be a baseband chip.
  • the radio frequency channel resource management and configuration system configures the configuration corresponding to the resources allocated by each user to the radio frequency transmitting device according to the result of resource arrangement, so that the radio frequency transmitting device performs resource allocation.
  • the scene recognition module in the radio frequency channel resource management and configuration system performs the resource requirement calculation step in the wireless resource allocation method, and the steps are as follows: according to the transmission power of a single antenna element and the required single radio frequency channel to meet the coverage requirements of network slices EIRP, calculate the number of chips required for a single radio frequency channel of the network slice; determine the number of radio frequency channels required for network slicing according to the capacity and bandwidth configured for the network slice; according to the number of chips required for a single radio frequency channel and the number of radio frequency channels , determine the total number of chips required by the network slice; wherein, the resource requirement of the network slice includes the total number of chips required by the network slice and the bandwidth.
  • the intelligent orchestration module in the radio frequency channel resource management and configuration system executes the resource allocation step in the wireless resource allocation method, and the steps are as follows: if the remaining resources meet the resource requirements of the network slice, allocate resources for the network slice.
  • the wireless resource allocation method includes a resource requirement calculation step and a resource allocation step, wherein steps 301 to 303 are the calculation steps of the resource requirement required by the slice, and step 304 is the resource allocation step.
  • step 301 according to the transmission power of a single antenna element and the EIRP of a single radio frequency channel required to meet the coverage requirements of the network slice, the number of elements required for a single radio frequency channel of the network slice is calculated; wherein, the number of network slices is Multiple, multiple network slices are network slices corresponding to each user in the same shared network.
  • the application scenario of the embodiment of the present application is a scenario where multiple users share system resources.
  • each user in order to meet the user's coverage requirements, capacity requirements, service requirements, and available bandwidth, it is necessary to use slices to Occupies hardware resources, therefore, each user has its corresponding network slice.
  • the number of network slices corresponding to the user may be multiple.
  • the above-mentioned users are operator users.
  • the base station before determining the number of channels required for a single radio frequency channel of the network slice, can first determine the number of operator users that need to allocate resources, and determine the number of operator users according to the service type of each operator user The number of slices required, and according to the network requirements of each operator user, the operator users are prioritized, and the slices of the same operator user are prioritized.
  • the above-mentioned network slicing is a network slicing in the millimeter wave communication system.
  • the millimeter wave uses analog shaping technology.
  • An antenna array group is mapped into a radio frequency channel, and a channel can be regarded as a logical port.
  • Each channel can be configured with different beam codebook.
  • the same channel uses the same weight across the entire bandwidth, pointing in the same direction. Beams on different channels can be selected independently. Therefore, for the millimeter wave system, terminals that are not under the same beam cannot simultaneously use one radio frequency channel for frequency division scheduling. Since the millimeter wave uses the signal preprocessing technology of a large-scale antenna array, for the millimeter wave system to manage air interface resources, in addition to allocating time and frequency domain resources, channel and air domain resources also need to be allocated.
  • the base station can calculate the EIRP required to meet the coverage requirements of the operator user through the link budget according to the radio frequency index of the system and the coverage requirement of the operator user (the coverage requirement of the network slice), wherein the radio frequency index of the system includes The transmission power of a single burst; the link budget is to estimate the coverage capability of the system by investigating various influencing factors in the downlink (or forward) and uplink (or reverse) signal propagation paths in the system, and obtain a certain amount of communication.
  • the maximum propagation loss allowed by the link under the quality; among them, the user's coverage requirement is characterized by distance, the greater the distance covered, the greater the attenuation, and the higher the frequency, the faster the attenuation.
  • the EIRP of the radio frequency channel can be calculated by the following formula:
  • P ant is the transmission power of the single oscillator
  • Gain_power Tx is the power gain of the antenna subarray of the radio frequency channel
  • Gain_BF is the shaped gain of the antenna subarray of the radio frequency channel
  • Ant_num represents the number of antenna elements for each radio frequency channel. It can be seen from the formula that when the total number of arrays in the system is fixed, the more arrays in the system, the fewer available channels, and the greater the power gain of each channel. The fewer the number of elements in the system sub-array, the more available channels, and the smaller the power gain of each channel.
  • the EIRP corresponding to each RF channel is P ant +10lg(N2) +10lg(N2), when two sub-arrays are merged, the number of channels is halved to L/2, and the EIRP corresponding to each RF channel is Pant +10lg(2N2)+10lg(2N2).
  • the maximum EIRP of the transmitter is P ant +10lg(N1)+10lg(N1), and the number of radio frequency channels of the transmitter is 2 at this time.
  • EIRP P ant +10lg(Ant_num)+10lg(Ant_num), in the case of known EIRP and single-element transmission power, the number of elements required for a single radio frequency channel can be inversely deduced.
  • the number of chips required for a single radio frequency channel of each slice is calculated.
  • the client calculates the EIRP required by the operator user
  • the required number of chips for a single radio frequency channel of the network slice is calculated by the following formula.
  • P ant is the transmission power of the single oscillator.
  • the number of arrays required for each channel is determined with priority.
  • the number of sub-arrays will affect the level of EIRP, thus affecting the size of the coverage; in order to facilitate the realizability of the system, the allocation of sub-arrays can be based on the smallest sub-array granularity.
  • the size of a minimum sub-array depends on the hardware. In theory, all the elements of each minimum sub-array are controlled by a selection switch to select which digital channel to connect to, so as to achieve flexible configuration.
  • the millimeter wave system uses both H and The two polarized transmission channels of V communicate with the terminal, that is to say, the transmission channels of the millimeter wave are usually even numbers, and the H channel and the V channel are configured in pairs. Therefore, the minimum number of transmission channels configured in the millimeter wave system is 2.
  • step 302 the number of radio frequency channels required for network slicing is determined according to the capacity and bandwidth configured for network slicing.
  • Soft slicing means that hardware resources are not isolated, and the service level of slices is guaranteed through software scheduling priorities. Hard slicing guarantees the service level of slices through physical resource isolation.
  • the embodiment of the present application provides a strategy for dividing hard slices. Generally speaking, it is not easy to have too many slices. Usually, some services with relatively high delay requirements are divided into a slice separately, and the scheduling delay is reduced by controlling the number of resident users or the number of services on the slice. The total bandwidth of all slices cannot exceed the available bandwidth of the hardware system. The sum of the number of channels and arrays occupied by all slices is the number of channels and arrays that the user needs to occupy.
  • step 303 according to the number of chips required for a single radio frequency channel and the number of radio frequency channels, determine the total number of chips required for the network slice; wherein, the resource requirements of the network slice include the total number of cells required for network slicing and the bandwidth.
  • the number of radio frequency channels required for slicing is L
  • the number of arrays required for a single radio frequency channel is N2
  • step 304 if the remaining resources meet the resource requirements of the network slice, resources are allocated to the network slice.
  • the remaining resources of the system are greater than the resource requirements of the network slice, that is, whether the remaining unallocated number of arrays is greater than the total number of arrays required by the current slice, whether the remaining available channels are greater than the number of channels required by the slice, and the system remaining Whether the bandwidth is greater than the bandwidth required by the user, if all the above conditions are met, then these hardware resources are reserved for the slice, otherwise the resources cannot be allocated for the slice.
  • the base station after calculating the required resources of all slices, prioritizes the operators' users according to the user's network requirements, and prioritizes the slices of the same operator's users; Level sorting and slice priority sorting of each user, and determine whether the remaining resources meet the resource requirements of the slice one by one. If so, allocate resources for the slice. If not, continue to judge whether the remaining resources of the system meet the next priority slice. Or the resource requirements of the highest priority slice for the next priority user.
  • corresponding hardware resources are reserved for the slice, including the number of channels, the number of chips, and bandwidth resources, and the remaining resources of the system minus the resources reserved for the slice are used as the updated remaining resources.
  • radio frequency channel grouping is performed for slices that have reserved resources: assign a radio frequency channel group ID to the slice, and assign a channel ID to this group according to the number of channels required by the slice, that is, if the slice requires If the number of radio frequency channels is i, then set i radio frequency channel IDs for the slices with allocated resources; according to the number of slots required for a single radio frequency channel in the network slice with allocated resources, allocate the required slots for each channel, and set each Each cell marks the cell ID, and allocates the corresponding bandwidth resource for this resource group. That is to say, the RF channel group information must include the group ID, the number of channels in the group, the ID of each channel, the ID of each channel included in each channel, and the bandwidth of the group.
  • the RF channel group information must carry the group ID, the number of channels in the group, the ID of each channel, the array ID included in each channel, and the group ID. bandwidth. It is convenient for the system to divide resources for shared users.
  • the mapping relationship between the analog channel and the array of the transmitter is configured.
  • the characteristic of symmetrical configuration is that all packet channels have the same number of arrays and the same bandwidth.
  • the coverage index and capacity index corresponding to each group are the same.
  • configuration 1 in Table 2 There are also asymmetric configuration modes, such as configuration 1 in Table 2, the coverage indicators of the two groups are inconsistent, and the number of cells corresponding to each channel in each group is inconsistent.
  • configuration 2 in Table 2 the channel numbers of the two groups are inconsistent, and the corresponding capacity indicators are inconsistent.
  • configuration 3 of Table 2 the available bandwidth and capacity of multiple packets are inconsistent.
  • each operator user slice priority start from the highest priority slice of the highest priority operator user, and perform the resource calculation for the above slices in order of priority from high to low Steps and resource allocation steps, as shown in Figure 4, the specific process is as follows:
  • step 401 a user with the highest current priority is selected from a list of shared users to be allocated resources.
  • step 402 the user's current highest priority slice is selected.
  • step 403 according to the EIRP required by the coverage requirements of the slice, calculate the number of arrays required for a single radio frequency channel; The number of elements required for radio frequency and the number of required radio frequency channels determine the total number of elements required for slicing.
  • step 404 it is judged whether the number of remaining resources in the system is greater than the number of resources required by the slice, that is, whether the number of remaining unallocated arrays is greater than the total number of arrays required by the current slice, whether the remaining available channels are greater than the number of channels required by the slice, Whether the remaining bandwidth of the system is greater than the bandwidth required by the user, if the above conditions are all satisfied, it is considered that the number of resources remaining in the system is greater than the number of resources required by the slice, and step 406 is performed; otherwise, resources cannot be allocated for the slice, and step 405 is performed.
  • step 405 it is determined whether the current user has a slice of the next level, if yes, return to step 402 to select a slice of the next priority, if not, return to step 401 to select a user of the next priority.
  • corresponding hardware resources are selected for the selected slice, including: number of channels, number of chips, and bandwidth resources.
  • the remaining resources of the system are updated, that is, the resources reserved for the slice are subtracted from the remaining resources of the current system, the slice is deleted from the user data, and the slice is added to the allocated list.
  • step 407 radio frequency channel grouping is performed, and a channel grouping strategy is determined.
  • step 408 according to the radio frequency grouping result, the mapping relationship between the transmitter analog channel and the array is configured.
  • step 409 it is judged whether the remaining shared slices in the system are greater than 0, whether there are remaining resources in the system, and whether the number of remaining channels is greater than 2. If the above conditions are all met, then continue to calculate the resource requirements of the next priority slice, and proceed Step 405, otherwise end resource allocation.
  • the slices are calculated one by one according to the priority.
  • the resources are allocated to the slices.
  • the system resources are limited, it is not necessary to calculate the slice requirements for all slices, which reduces the system cost.
  • the computational burden of the system is also reduced, as well as the storage burden of the system.
  • the resource requirements of each network slice for all shared users are calculated first, and then according to the operator user priority and each operator user slice priority, starting from the highest priority slice of the highest priority operator user, according to The system resources are allocated from high priority to low priority, as shown in Figure 5.
  • the specific process is as follows:
  • step 501 for each slice of each operator user, calculate the number of chips required for a single radio frequency channel according to the EIRP required by the coverage requirements of the slice; determine the slice according to the capacity requirements of the slice and the available bandwidth of the system The number and bandwidth of allocated radio frequency channels, and finally determine the total number of elements required for slicing according to the number of elements required by a single radio frequency and the number of required radio frequency channels.
  • step 502 the current highest priority user is acquired.
  • step 503 the user's current highest priority slice is selected.
  • step 504 it is judged whether the number of resources remaining in the system is greater than the number of resources required by the slice, that is, whether the number of remaining unallocated arrays is greater than the total number of arrays required by the current slice, whether the remaining available channels are greater than the number of channels required by the slice, Whether the remaining bandwidth of the system is greater than the bandwidth required by the user. If the above conditions are all satisfied, it is considered that the number of resources remaining in the system is greater than the number of resources required by the slice. If it is greater, then go to step 506. If it is smaller, then the resource cannot be allocated for the slice, and go to step 506. 505.
  • step 505 it is judged whether the current user still has a slice of the next level. If so, return to step 503 to select a slice of the next priority. If the current user does not have a slice of the next priority, return to step 502 to select the next priority users.
  • corresponding hardware resources are selected for the selected slice, including: number of channels, number of chips, and bandwidth resources.
  • the remaining resources of the system are updated, that is, the resources reserved for the slice are subtracted from the remaining resources of the current system, the slice is deleted from the user data, and the slice is added to the allocated list.
  • radio frequency channel grouping is performed, and a channel grouping strategy is determined.
  • step 508 according to the radio frequency grouping result, the mapping relationship between the transmitter analog channel and the array is configured.
  • step 509 it is determined whether the remaining shared slices in the system are greater than 0, whether there are remaining resources in the system, whether the number of remaining unallocated subarrays is greater than the number of minimum allocable subarrays, whether the remaining bandwidth is greater than the minimum allocable bandwidth, and whether the remaining Whether the number of channels is greater than 2, if the above conditions are met, continue to allocate resources for the next slice, go to step 505, otherwise end resource allocation.
  • the above two wireless resource allocation methods are each a specific implementation method.
  • the implementation method in Figure 4 calculates the slices one by one according to the priority.
  • the implementation in Figure 5 calculates all the required resources of users in advance. Resource redistribution has the advantages of software function decoupling, flexible deployment, and faster system resource allocation process.
  • Scenario 1 Large-capacity private network scenario
  • millimeter waves Due to its large bandwidth and discontinuous coverage, millimeter waves are often used as hotspots and deployed in venues, shopping malls and other scenarios that require large capacity.
  • This scenario is characterized by a relatively large number of users and relatively large download or upload traffic. But the requirements for coverage are not very high.
  • it is usually necessary to split as many radio frequency channels as possible. The more radio frequency channels, the more streams that can be space-divided. As shown in Figure 6, if the system bandwidth is 800M and 8 radio frequency channels, 800M*8layer data can be scheduled at the same time at each moment.
  • the large-capacity private network scenario can be configured with configuration 2 in Table 1, and the number of arrays for each radio channel is set to the minimum number of arrays, then you can configure more Multiple RF channels.
  • Scenario 2 Wide coverage network scenario
  • the millimeter wave Due to the use of a large-scale antenna array, the millimeter wave has a very large shaping gain.
  • the propagation distance can be very long, which is very suitable for FWA (fixed wireless access, Fixed wireless access) or RELAY (relay) and other scenarios that require coverage distance.
  • FWA fixed wireless access, Fixed wireless access
  • RELAY relay
  • the EIRP of each radio frequency channel can be 12db greater than the EIRP of a single antenna subarray.
  • the coverage distance can reach 16 times. Since the coverage distance is required in this scenario, it is necessary to increase the number of elements in a single radio frequency channel as much as possible. Configuration 1 in Table 1 applies to this scenario.
  • Scenario 3 Scenario of Hybrid Network Slicing
  • SLA Service Level Agreement, service level agreement
  • This network has three network slices.
  • Slice 1 occupies 2 RF channels, and each RF channel is bound to 200M frequency domain resources.
  • the capacity of this slice is 200M*2layer.
  • Slice 2 occupies 2 RF channels, and each RF channel is bound to 200M.
  • the capacity of this slice is 200M*2layer.
  • Slice 3 occupies 4 radio frequency channels, and each radio frequency channel is bound to 400M frequency domain resources.
  • the capacity of this slice is 400M*4layer.
  • Such network slices can be configured as independent physical cells, and there is no need for interaction between cells. Some slices can be used for private network services, and some slices can be used for public network services. Since different users have different service requirements in this scenario, configuration 3 in Table 2 can be used to meet the above system resource allocation.
  • Scenario 4 Multi-operation network sharing scenario
  • Complete network sharing means that different operators share the same frequency domain resources, have consistent service policies, and share the same QoS guarantee parameters. Although the control plane may see different plmn ids, the physical cell is the same cell. As shown in FIG. 10 , if the system bandwidth is 800M and there are 8 radio frequency channels, terminals of different operators share all the bandwidth and radio frequency channels. The cell capacity can reach 800M*8layer.
  • Incomplete network sharing means that different operators have their own independent carriers. Independent cell parameter configuration, business policy independent Qos sorting and Qos guarantee.
  • the physical cells are two independent cells. As shown in Figure 11, if the system bandwidth is 800M and there are 8 radio frequency channels, terminals of different operators access different physical cells. Each capacity can reach 400M*4layer.
  • step division of the above various methods is only for the sake of clarity of description. During implementation, it can be combined into one step or some steps can be split and decomposed into multiple steps. As long as they include the same logical relationship, they are all within the scope of protection of this application ; Adding insignificant modifications or introducing insignificant designs to the algorithm or process, but not changing the core design of the algorithm and process are all within the scope of protection of this application.
  • the embodiment of the present application also relates to a radio frequency transmitting device, as shown in FIG. 12 , including: a baseband signal processing module 1201 , m analog-to-digital conversion and up-conversion branches 1202 , a selection switch module 1203 , and n antenna sub-arrays 1204 .
  • m analog-to-digital conversion and up-conversion branches 1202 include: two devices, an analog-to-digital converter and an up-converter; It also includes several output terminals (each output terminal is connected to an antenna sub-array), and the quantity of the total output terminals of all selection switches is equal to the number of antenna sub-arrays; wherein, each antenna sub-array, in addition to including several antenna elements, also includes The phase shifter is connected between the output end of the selection switch and several antenna elements.
  • the input ends of the m analog-to-digital conversion and up-conversion branches 1202 are respectively connected to the m output ends of the baseband signal processing module 1201, and the m input ends of the selection switch module 1203 are connected to the m analog-to-digital conversion and up-conversion branches.
  • the output terminals of the frequency conversion branch 1202 are respectively connected correspondingly, and the n output terminals of the selection switch module 1203 are respectively connected correspondingly with the input terminals of the n antenna sub-arrays 1204; wherein, the baseband signal processing module 1201 is used for resources allocated according to the network slice Process the data to be transmitted in the network slice into a baseband signal and output it to the analog-to-digital conversion and up-conversion branch 1202, and control the selection switch module 1203 to convert the analog-to-digital conversion and up-conversion branch 1202 to the antenna sub-channel of the radio frequency channel corresponding to the network slice
  • the array 1204 is connected; the resources allocated by the network slice are obtained based on the above wireless resource allocation method; wherein, the total number of antennas contained in the antenna sub-array of the radio frequency channel corresponding to the network slice is the total number of antennas allocated by the network slice; each antenna A sub-array includes one or more sub-arrays, and Fig. 12 shows the situation that there are multiple
  • the input end of the selector switch is connected to each analog-to-digital conversion and up-conversion branch, according to the actual situation, when the minimum array allocation granularity of the selector switch is greater, that is, the number of array elements connected to an output end is smaller. If the number of selection switches is large, the number of selection switches can be reduced accordingly. For example, there are 100 selection switches, and when the minimum distribution strength of each selection switch is 2, then the radio frequency transmitter needs 50 selection switches. When the strength is 2, the radio frequency transmitting device needs 50 selection switches.
  • A/D conversion and frequency up-conversion in the frequency domain can be divided according to the minimum available bandwidth.
  • the minimum bandwidth is 50M or 100M.
  • the digital channel of the system can perform A/D conversion and frequency up-conversion according to each 50M or 100M.
  • all the data of the entire bandwidth can be transmitted on a radio frequency sub-array. If a radio frequency sub-array is mapped to a radio frequency channel, the bandwidth of this RF channel is the entire system bandwidth. It is also possible to transmit the data of one sub-band to multiple RF sub-arrays.
  • the shaping gain of this RF channel will become larger, and a larger EIRP can be achieved.
  • the maximum EIRP is all sub-arrays combined and mapped to one RF channel. Data on different bandwidths can be transmitted to different radio frequency sub-arrays by selecting switches, so that the radio frequency channels can be flexibly configured.
  • modules involved in the above embodiments of the present application are logical modules.
  • a logical unit can be a physical unit, or a part of a physical unit, and can also Combination of physical units.
  • units that are not closely related to solving the technical problems proposed in the present application are not introduced in this embodiment, but this does not mean that there are no other units in this embodiment.
  • the embodiment of this application also provides an electronic device, as shown in FIG. 13 , including at least one processor 1301; Instructions executed by the at least one processor 1301, where the instructions are executed by the at least one processor 1301, so as to enable the at least one processor to execute the foregoing wireless resource allocation method.
  • the memory and the processor are connected by a bus
  • the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors and various circuits of the memory together.
  • the bus may also connect together various other circuits such as peripherals, voltage regulators, and power management circuits, all of which are well known in the art and therefore will not be further described herein.
  • the bus interface provides an interface between the bus and the transceivers.
  • a transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing means for communicating with various other devices over a transmission medium.
  • the data processed by the processor is transmitted on the wireless medium through the antenna, further, the antenna also receives the data and transmits the data to the processor.
  • the processor is responsible for managing the bus and general processing, and can also provide various functions, including timing, peripheral interface, voltage regulation, power management, and other control functions. Instead, memory can be used to store data that the processor uses when performing operations.
  • Embodiments of the present application also provide a computer-readable storage medium storing a computer program.
  • the above method embodiments are implemented when the computer program is executed by the processor.
  • the program is stored in a storage medium and includes several instructions to make a device (which can be A single chip microcomputer, a chip, etc.) or a processor (processor) executes all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .

Abstract

Des modes de réalisation de la présente demande concernent le domaine technique des communications et divulguent un procédé d'attribution de ressources radio, un dispositif radiofréquence, un dispositif électronique et un support de stockage, comprenant une étape de calcul d'exigence de ressources et une étape d'attribution de ressources. L'étape de calcul d'exigence de ressources consiste : à calculer le nombre d'éléments requis par un seul canal radiofréquence d'une tranche de réseau selon la puissance d'émission d'ensemble unique d'un ensemble d'antennes et selon la puissance isotrope rayonnée équivalente (EIRP) d'un seul canal radiofréquence requis pour répondre à l'exigence de couverture de la tranche de réseau ; à déterminer le nombre de canaux de radiofréquence requis par la tranche de réseau selon la capacité et la bande passante configurées pour la tranche de réseau ; et à déterminer le nombre total d'éléments requis par la tranche de réseau selon le nombre d'éléments requis par un seul canal radiofréquence et selon le nombre des canaux radiofréquence, les exigences de ressources de la tranche de réseau comprenant le nombre total d'éléments requis par la tranche de réseau et la bande passante. L'étape d'attribution de ressources comprend l'étape consistant à attribuer des ressources à la tranche de réseau, si les ressources restantes répondent à l'exigence de ressources de la tranche de réseau.
PCT/CN2022/126005 2021-12-03 2022-10-18 Procédé d'attribution de ressources radio, dispositif radiofréquence, dispositif électronique et support de stockage WO2023098325A1 (fr)

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CN202111468059.XA CN116321460A (zh) 2021-12-03 2021-12-03 无线资源分配方法、射频装置、电子设备及存储介质

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WO2016106631A1 (fr) * 2014-12-31 2016-07-07 华为技术有限公司 Système d'antenne et procédé de commande de faisceau
US20200177272A1 (en) * 2018-11-29 2020-06-04 Astranis Space Technologies Corp. Adjustable payload system for small geostationary (geo) communication satellites
CN112333753A (zh) * 2020-11-27 2021-02-05 中国联合网络通信集团有限公司 一种可接入用户数的评估方法和装置
CN113115376A (zh) * 2021-03-17 2021-07-13 中国联合网络通信集团有限公司 一种下行资源块预留方法和装置
CN113519131A (zh) * 2019-02-13 2021-10-19 Idac控股公司 上行链路(ul)多输入多输出(mimo)全传输(tx)功率

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WO2016106631A1 (fr) * 2014-12-31 2016-07-07 华为技术有限公司 Système d'antenne et procédé de commande de faisceau
US20200177272A1 (en) * 2018-11-29 2020-06-04 Astranis Space Technologies Corp. Adjustable payload system for small geostationary (geo) communication satellites
CN113519131A (zh) * 2019-02-13 2021-10-19 Idac控股公司 上行链路(ul)多输入多输出(mimo)全传输(tx)功率
CN112333753A (zh) * 2020-11-27 2021-02-05 中国联合网络通信集团有限公司 一种可接入用户数的评估方法和装置
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