WO2019127293A1 - Frequency spectrum resource scheduling method and device - Google Patents

Frequency spectrum resource scheduling method and device Download PDF

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Publication number
WO2019127293A1
WO2019127293A1 PCT/CN2017/119607 CN2017119607W WO2019127293A1 WO 2019127293 A1 WO2019127293 A1 WO 2019127293A1 CN 2017119607 W CN2017119607 W CN 2017119607W WO 2019127293 A1 WO2019127293 A1 WO 2019127293A1
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group
user equipment
signal
signal system
conflict
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PCT/CN2017/119607
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French (fr)
Chinese (zh)
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辛小枫
李鹏
梁尧
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海能达通信股份有限公司
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Priority to PCT/CN2017/119607 priority Critical patent/WO2019127293A1/en
Publication of WO2019127293A1 publication Critical patent/WO2019127293A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of communications, and in particular, to a spectrum resource scheduling method and apparatus.
  • narrowband and broadband convergence has become the best choice in the industry.
  • a scenario in which a wideband signal and a narrowband signal are transmitted on adjacent spectrum resources occurs. Since the current mainstream narrowband signal system is not compatible with the wideband signal system, a large amount of interference will occur when the broadband signal and the narrowband signal spectrum resources are adjacent. How to reduce the interference between wide and narrow bands is an important issue for wide and narrow convergence.
  • the present invention proposes a spectrum resource scheduling method.
  • the spectrum resource scheduling method includes: determining whether there is a user equipment/group in which the signal system conflicts; if yes, performing resource scheduling in a conflict scenario, where the resource scheduling in the conflict scenario includes: a user equipment/group that is a signal system conflict
  • the group assigns corresponding beamforming parameters for spatial isolation.
  • the corresponding relationship between the control device setting the vehicle platform and the plurality of talk groups includes: the control device divides the vehicle platform into at least the main vehicle platform and the free vehicle platform, and sets the main in the case that the call states of all the talk groups are not called. There is a correspondence between the car platform and the talk group, and there is no correspondence between the free car platform and the talk group.
  • the control device dynamically adjusts the correspondence according to the call state change of the talk group, including: when the call state of the talk group is changed from being called to being called, if there is an idle free station that is not called, the control device will be called.
  • the other groups scanned by the original car are scanned by the idle free car; when the call status of the called group becomes uncalled, the control device hands over the other groups that are not called to the original station or is not called.
  • the initial main car is scanned, and when the original car is a free car and the initial main car is not called, the called group is handed over to the initial main car that is not called for scanning. There is a correspondence between the initial master station and the called talk group when the call states of all talk groups are not called.
  • the control device further divides a part of the vehicle platform into a pre-occupied vehicle platform, and the priority of the call group corresponding to the pre-occupied vehicle platform is higher than the communication group corresponding to the main vehicle platform.
  • the control device dynamically adjusts the correspondence according to the call state change of the talk group, including: when the call state of the high priority talk group is changed from being called to being called, determining whether there is an idle free station that is not called; if present , the control device sends the other high-priority talk groups scanned by the pre-occupied car station to the idle free car station for scanning, and if not, determines whether there is an idle main car station that is not called; if there is , the control device hands over the other high priority talk groups to the idle main car station for scanning. If not, selects a free car station to hang up the current call, and assigns other high priority talk groups to the selected free car station. Scan; when the call status of the high priority talk group becomes uncalled, the control device hands over the other high priority talk groups that are not called to the camping station for scanning.
  • the control device sets the correspondence between the vehicle platform and the plurality of talk groups, and the control device sets the correspondence between the vehicle platform and the talk group according to at least one of the importance, the priority, and the frequency of the call group.
  • the vehicle station communicates with the first digital trunking system through the talk group, and the control device is respectively connected to the vehicle platform and the second digital trunking system; further comprising: during the call of the talk group, the control device is in the corresponding vehicle platform and the second digital cluster Data is transferred between the systems to enable interconnection between the first digital trunking system and the second digital trunking system.
  • the present invention proposes a spectrum resource scheduling apparatus.
  • the spectrum resource scheduling apparatus includes a processor and a communication circuit, and the processor is coupled to the communication circuit, and the processor is configured to execute the instruction to implement the foregoing spectrum resource scheduling method.
  • the present invention proposes a readable storage medium.
  • the readable storage medium stores instructions that, when executed, implement the aforementioned spectrum resource scheduling method.
  • the beneficial effects of the present invention are: by using the beamforming technology, the beam of the user equipment/group service that is in conflict with the signal system is directed to the target user equipment/group, and the positions of different user equipments/groups are not necessarily the same due to conflicts.
  • the corresponding service beam does not necessarily have the same orientation. Pointing to different beams will cause signal interference attenuation, thereby reducing or even eliminating the use of the frequency protection band and improving spectrum utilization.
  • FIG. 1 is a schematic flowchart of a first embodiment of a spectrum resource scheduling method according to the present invention
  • FIG. 2 is a schematic diagram of spatial isolation in a first embodiment of a spectrum resource scheduling method according to the present invention
  • FIG. 3 is a schematic diagram of a mapping relationship between an interval between beams and interference attenuation in a first embodiment of a spectrum resource scheduling method according to the present invention
  • FIG. 4 is a schematic flowchart of a second embodiment of a spectrum resource scheduling method according to the present invention.
  • FIG. 5 is a schematic flowchart of a third embodiment of a spectrum resource scheduling method according to the present invention.
  • FIG. 6 is a schematic diagram of a PDT signal frequency point set in an LTE signal protection band in an example of a fourth embodiment of the spectrum resource scheduling method of the present invention
  • FIG. 7 is a schematic structural diagram of a first embodiment of a spectrum resource scheduling apparatus according to the present invention.
  • Figure 8 is a block diagram showing the first embodiment of the readable storage medium of the present invention.
  • the first embodiment of the spectrum resource scheduling method of the present invention includes:
  • S1 Determine whether there is a user equipment (UE)/group of the signal system conflict.
  • the execution body of this embodiment is a scheduler of spectrum resources, such as a base station.
  • the group includes several user equipments, which share the same time-frequency resources.
  • Signal system conflict refers to incompatibility between different signal formats, such as Long Term Evolution (LTE) signals and Police Digital Trunking (PDT) signals.
  • LTE Long Term Evolution
  • PTT Police Digital Trunking
  • the user equipment/group of the signal system conflict includes at least two user equipment/groups in which the signal systems are mutually incompatible.
  • the current resource to be scheduled needs to be allocated to the user equipment/group of the signal system conflict, for example, the user equipment/group using the LTE signal and the user equipment/group using the PDT signal, it indicates that the user equipment/group with the signal system conflict exists. Group, otherwise, indicates that there are no user equipment/groups with signal collisions.
  • Resource scheduling in a collision scenario may require interference between signals of user equipment/groups of different signal systems that are subject to collision.
  • the user equipment/group that conflicts with the signal system is assigned a corresponding beamforming parameter to use the beamforming technology to transmit and/or receive the user equipment in the signal system conflict in the subsequent signal transmission/reception process.
  • group of signals Beamforming is a signal preprocessing technique based on an antenna array. Beamforming produces a directional beam by adjusting the weighting coefficients of each element in the antenna array.
  • the beamforming technique is used to direct the beam of user equipment/group services that are in conflict with the signal system to their corresponding user equipment/group.
  • the service beam does not have to be fully targeted to its service target to achieve maximum gain, and other factors can be considered, such as minimizing interference.
  • the corresponding service beams are not necessarily aligned, and spatial isolation is achieved.
  • group C including user equipment C1, C2, C3
  • group D including user equipment D1, D2, D3
  • the signal formats used conflict with each other.
  • beam A serves user equipment A
  • beam B serves user equipment B
  • beam A and beam B have different directions
  • beam C serves group C
  • beam D serves group D, beam C. Different from the direction of beam D. Pointing to different beams can cause attenuation of signal interference. The larger the interval between the beams, the greater the interference attenuation.
  • the specific mapping relationship can be as shown in Figure 3.
  • the frequency protection band is not needed; if the interference attenuation caused by spatial isolation can not meet the need of suppressing interference, the required frequency protection band can also be reduced. Bandwidth, which increases spectrum utilization.
  • the second embodiment of the spectrum resource scheduling method of the present invention is based on the first embodiment of the spectrum resource scheduling method of the present invention, and S2 further includes:
  • S21 Calculate the interference attenuation of the spatial isolation according to the location information of the user equipment/group of the beamwidth and the signal system conflict.
  • the direction of the service beam can be confirmed according to the location information of the user equipment/group, thereby calculating the interval angle between different beams, and then calculating the interference attenuation of the spatial isolation by using the interval angle and the beam width.
  • the larger the beam width, the smaller the interference attenuation of the spatial isolation, and the mapping relationship between the separation angle and the interference attenuation can be referred to FIG. 3.
  • the location information of the user equipment/group may include its pitch angle and/or azimuth.
  • the location information of the group may be the location information of the whole group, or may be the user information of one of the user equipments. In an embodiment of the present invention, the location information of the group is the location information of the latest user equipment of another group in the group whose distance signal system conflicts. Still taking the group C and the group D in FIG. 2 as an example, the location information of the group C is the location information of the user equipment C2 therein, and the location information of the group C is the location information of the user equipment D2 therein.
  • the location information of the user equipment/group of the conflicting signal system may be obtained according to the received signal from the user equipment/group of the signal system conflict.
  • the location information of the user equipment/group of the conflicting signal system may be obtained according to the received signal from the user equipment/group of the signal system conflict.
  • S22 Determine whether the signal power after spatial isolation can meet the service requirement according to the interference attenuation of the spatial isolation, the current power of the user equipment/group of the conflicting signal system, and the service requirement.
  • P user is the current power of the user equipment/group of the signal system conflict
  • ⁇ I ij is the inter-signal interference power remaining after the interference suppression
  • Sir Need is the lowest signal-to-noise ratio that satisfies the service requirement (generally by the user equipment/group)
  • the service is currently used by the group.
  • the subscripts i and j are indexes of user equipments/groups of different standards.
  • the units of each parameter are logarithmically operated, for example, decibel milliwatts (dBm) or decibels ( dB), so the addition and subtraction are used in the calculation.
  • the current power of the user equipment/group of the signal system conflict can be obtained before performing this step.
  • shilling I ij is the current inter-signal interference power
  • the formula (2) can be established, it can be considered that the signals of the user equipment/group are completely uncorrelated, and the direct jump to the step S24 can be performed without using the frequency domain guard band; if the formula (2) is not established, the user can be considered The signals of the device/group are related, and the frequency domain guard band needs to be used, and the process proceeds to step S23 to calculate the bandwidth of the frequency domain guard band, that is, the frequency domain interval.
  • I ij may approximate the current power of another user equipment/group that the signal system conflicts. Still taking the user equipment A and the user equipment B in FIG. 2 as an example, if P user is the current power of user equipment A, then I ij is the current power of user equipment B, and vice versa.
  • f is the signal interference power calculation function and f -1 is the inverse function of the signal interference power calculation function.
  • S24 Allocating time-frequency resources to user equipment/groups in which the signal system conflicts.
  • the frequency domain interval should be allocated according to the frequency domain diversity in the frequency domain, that is, the frequency band with the frequency band interval in the frequency domain will be allocated to the user equipment/group of the signal system conflict. Group time-frequency resources are separated.
  • the time-frequency resources allocated in the frequency domain may be selected according to their bandwidth, that is, the frequency domain interval is from small to large. Arrange.
  • Subsequent communication with the user equipment/group can be performed using the allocated time-frequency resources.
  • the basic parameters required for user equipment scheduling are ( ⁇ , ⁇ , P user ), where ⁇ is the pitch angle, ⁇ is the azimuth, and P user is the current power.
  • Sir Need 0db.
  • the angle between the beams pointing to the two is 15 °
  • the interference attenuation of spatial isolation is 18db
  • the interference attenuation caused by the frequency protection band is minimum
  • the third embodiment of the spectrum resource scheduling method of the present invention is based on the second embodiment of the spectrum resource scheduling method of the present invention, and the basic parameters required for scheduling are obtained before resource scheduling.
  • This embodiment is a further extension of the second embodiment of the spectrum resource scheduling method of the present invention. Therefore, the same content as the second embodiment of the spectrum resource scheduling method of the present invention is not described herein.
  • This embodiment includes:
  • S31 Acquire a pitch angle of the user equipment/group according to the phase of the signal received on the antenna elements of different heights.
  • S32 Acquire an azimuth of the user equipment/group according to the phase of the signal received on the antenna elements of different azimuths.
  • the pitch and azimuth angles of the user equipment/group constitute its position information.
  • the three steps S31-S33 may be for all user equipments/groups to be scheduled, and the execution order of the three is only an indication, and the order may be executed or switched at the same time.
  • step S35 If not, the process goes to step S35; if it does, the process goes to step S36.
  • this step may also be performed first, and then the basic parameters of the user equipment/group of the signal system conflict, including the pitch angle, the azimuth, and the current power, are acquired.
  • S37 Calculate the interference attenuation of the spatial isolation according to the location information of the user equipment/group of the beamwidth and the signal system conflict.
  • S38 Determine whether the signal power after spatial isolation can meet the service requirement according to the interference attenuation of the spatial isolation, the current power of the user equipment/group of the signal system conflict, and the service requirement.
  • step S39 If yes, go to step S39; otherwise, go to step S40.
  • the time-frequency resources of the user equipment/group of the conflicting signal system are hierarchically arranged in the frequency domain according to the frequency domain interval from small to large.
  • User equipment/groups of at least one of at least one of the user equipment/groups in which the signal regime conflicts may be scheduled to different transmission time intervals, thereby separating the user equipment/group of the group of signal collisions in the time domain group.
  • the time-frequency resources allocated during the current transmission time interval after scheduling are less than or equal to the system bandwidth in the frequency domain. Specifically, the user equipment/groups in which the signal system conflicts may be separated in order from the largest to the smallest in the frequency domain interval.
  • the frequency domain interval between the user equipment 3 and the user equipment 4 is 10 kHz
  • the frequency domain interval between the user equipment 5 and the user equipment 6 is 200 kHz
  • no frequency is required between the user equipment 3/4 and the user equipment 5/6. Domain protection zone. If the user equipment 3-6 is scheduled at the same time, the time-frequency resources after the diversity arrangement exceeds the system bandwidth in the frequency domain, the user equipment 5 or 6 may be scheduled to be scheduled to other transmission time intervals, for example, the next transmission time interval.
  • the fourth embodiment of the spectrum resource scheduling method of the present invention is based on the first embodiment of the spectrum resource scheduling method of the present invention, and utilizes the protection of the wideband signal to perform wide-narrow fusion.
  • the collision signal system includes a wideband signal and a narrowband signal, and the bandwidth of the narrowband signal is generally much smaller than the bandwidth of the wideband signal. If the bandwidth of the narrowband signal is smaller than the bandwidth of the guardband of the wideband signal, the frequency of the conflicting narrowband signal can be set within the guardband of the wideband signal.
  • the bandwidth of the LTE guard band is 2M, and the bandwidth of the PDT signal is only 12.5 kHz.
  • the frequency of the PDT signal can be set in the LTE protection band. As shown in Figure 6, this further reduces spectrum occupancy.
  • the requirement of the frequency guard band is prioritized. Assuming that the bandwidth of the frequency guard band is greater than the bandwidth of the single-sided guard band of the wideband signal, the frequency of the narrowband signal should be set outside the wideband signal and its guard band.
  • the first embodiment of the spectrum resource scheduling apparatus of the present invention includes a processor 110 and a communication circuit 120, and the processor 110 is connected to the communication circuit 120.
  • the communication circuit 120 is configured to transmit and receive data, and is an interface for the spectrum resource scheduling device to communicate with other communication devices.
  • the processor 110 controls the operation of the spectrum resource scheduling apparatus, and the processor 110 may also be referred to as a CPU (Central Processing Unit).
  • Processor 110 may be an integrated circuit chip with signal processing capabilities.
  • the processor 110 can also be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, and discrete hardware components.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the processor 110 is configured to execute instructions to implement the method provided by any one of the first and fourth embodiments of the spectrum resource scheduling method of the present invention and a non-conflicting combination.
  • the spectrum resource scheduling apparatus in this embodiment may be a scheduling party of the spectrum resource, such as a base station, or may be a separate component that can be integrated therein, such as a baseband board.
  • a first embodiment of the readable storage medium of the present invention includes a memory 210 storing instructions that, when executed, implement any one of the first to fourth embodiments of the spectrum resource scheduling method of the present invention and any The method provided by the non-conflicting combination.
  • the memory 210 may include a read-only memory (ROM), a random access memory (RAM), a flash memory, a hard disk, an optical disk, and the like.
  • ROM read-only memory
  • RAM random access memory
  • flash memory a hard disk
  • optical disk an optical disk
  • the disclosed method and apparatus may be implemented in other manners.
  • the device implementations described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods of the various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

Disclosed by the present invention is a frequency spectrum resource scheduling method, the method comprising: determining whether a user equipment/group which experiences signal format conflict is present; if present, then scheduling resources under a conflict scenario, wherein scheduling resources under a conflict scenario comprises: allocating corresponding beamforming parameters for the user equipment/group which experiences signal format conflict so as to perform spatial isolation. Further disclosed by the present invention are a frequency spectrum resource scheduling device and a readable storage medium.

Description

频谱资源调度方法及装置Spectrum resource scheduling method and device 【技术领域】[Technical Field]
本发明涉及通信领域，特别是涉及一种频谱资源调度方法及装置。The present invention relates to the field of communications, and in particular, to a spectrum resource scheduling method and apparatus.
【背景技术】【Background technique】
面向未来的数字集群通信***中，采用窄带和宽带融合的方式已成为行业的最佳选择。为了提高频谱利用率，出现了宽带信号与窄带信号在相邻频谱资源上发送的场景。由于目前主流的窄带信号制式与宽带信号制式并不兼容，在宽带信号与窄带信号频谱资源临近时将会出现大量的干扰。如何降低宽窄带间的干扰是宽窄融合的一个重要问题。In the future-oriented digital trunking communication system, narrowband and broadband convergence has become the best choice in the industry. In order to improve spectrum utilization, a scenario in which a wideband signal and a narrowband signal are transmitted on adjacent spectrum resources occurs. Since the current mainstream narrowband signal system is not compatible with the wideband signal system, a large amount of interference will occur when the broadband signal and the narrowband signal spectrum resources are adjacent. How to reduce the interference between wide and narrow bands is an important issue for wide and narrow convergence.
为了抑制宽窄带信号间的干扰，现有技术中提出了在宽带信号和窄带信号间加入固定大小的频率保护带，将宽带信号和窄带信号隔离开来以降低宽窄带信号之间的干扰。此方式实现较为简单，但会浪费大量宝贵的频谱资源，严重降低频谱利用率。In order to suppress interference between wide and narrowband signals, it is proposed in the prior art to add a fixed-size frequency guard band between the wideband signal and the narrowband signal to isolate the wideband signal from the narrowband signal to reduce interference between the wideband and narrowband signals. This method is simpler to implement, but it wastes a lot of valuable spectrum resources and seriously reduces spectrum utilization.
【发明内容】[Summary of the Invention]
为了至少部分解决以上问题，本发明提出了一种频谱资源调度方法。该频谱资源调度方法包括：判断是否存在信号制式冲突的用户设备/群组；若存在，则进行冲突场景下的资源调度，其中冲突场景下的资源调度包括：为信号制式冲突的用户设备/群组分配对应的波束赋形参数以进行空间隔离。In order to at least partially solve the above problems, the present invention proposes a spectrum resource scheduling method. The spectrum resource scheduling method includes: determining whether there is a user equipment/group in which the signal system conflicts; if yes, performing resource scheduling in a conflict scenario, where the resource scheduling in the conflict scenario includes: a user equipment/group that is a signal system conflict The group assigns corresponding beamforming parameters for spatial isolation.
其中，控制设备设置车台与多个通话组的对应关系包括：控制设备将车台至少划分为主车台和自由车台，在所有通话组的呼叫状态均为未呼叫的情况下，设置主车台与通话组之间有对应关系，自由车台与通话组之间没有对应关系。The corresponding relationship between the control device setting the vehicle platform and the plurality of talk groups includes: the control device divides the vehicle platform into at least the main vehicle platform and the free vehicle platform, and sets the main in the case that the call states of all the talk groups are not called. There is a correspondence between the car platform and the talk group, and there is no correspondence between the free car platform and the talk group.
其中，控制设备根据通话组的呼叫状态变化动态调整对应关系包括：通话组的呼叫状态由未呼叫变为被呼叫时，若存在未被叫起的空闲自由车台，则控制设备将被叫起的原车台扫描的其他通话组交由空闲自由车台进行扫描；被呼 叫的通话组的呼叫状态变为未呼叫时，控制设备将未呼叫的其他通话组交由原车台或未被叫起的初始主车台进行扫描，并在原车台为自由车台且初始主车台未被叫起的情况下，将被呼叫的通话组交由未被叫起的初始主车台进行扫描，初始主车台与被呼叫的通话组之间在所有通话组的呼叫状态均为未呼叫的情况下存在对应关系。The control device dynamically adjusts the correspondence according to the call state change of the talk group, including: when the call state of the talk group is changed from being called to being called, if there is an idle free station that is not called, the control device will be called. The other groups scanned by the original car are scanned by the idle free car; when the call status of the called group becomes uncalled, the control device hands over the other groups that are not called to the original station or is not called. The initial main car is scanned, and when the original car is a free car and the initial main car is not called, the called group is handed over to the initial main car that is not called for scanning. There is a correspondence between the initial master station and the called talk group when the call states of all talk groups are not called.
其中，控制设备进一步将部分车台划分为预占车台，预占车台对应的通话组的优先级高于主车台对应的通话组。The control device further divides a part of the vehicle platform into a pre-occupied vehicle platform, and the priority of the call group corresponding to the pre-occupied vehicle platform is higher than the communication group corresponding to the main vehicle platform.
其中，控制设备根据通话组的呼叫状态变化动态调整对应关系包括：高优先级通话组的呼叫状态由未呼叫变为被呼叫时，判断是若存在未被叫起的空闲自由车台；若存在，则控制设备将被叫起的预占车台扫描的其他高优先级通话组交由空闲自由车台进行扫描，若不存在，则判断是否存在未被叫起的空闲主车台；若存在，则控制设备将其他高优先级通话组交由空闲主车台进行扫描，若不存在，则选择一个自由车台挂断当前呼叫，将其他高优先级通话组交由选中的自由车台进行扫描；高优先级通话组的呼叫状态变为未呼叫时，控制设备将未呼叫的其他高优先级通话组交由预占车台进行扫描。The control device dynamically adjusts the correspondence according to the call state change of the talk group, including: when the call state of the high priority talk group is changed from being called to being called, determining whether there is an idle free station that is not called; if present , the control device sends the other high-priority talk groups scanned by the pre-occupied car station to the idle free car station for scanning, and if not, determines whether there is an idle main car station that is not called; if there is , the control device hands over the other high priority talk groups to the idle main car station for scanning. If not, selects a free car station to hang up the current call, and assigns other high priority talk groups to the selected free car station. Scan; when the call status of the high priority talk group becomes uncalled, the control device hands over the other high priority talk groups that are not called to the camping station for scanning.
其中，控制设备设置车台与多个通话组的对应关系包括：控制设备根据通话组的重要性、优先级、呼叫频繁程度中的至少一种设置车台与通话组的对应关系。The control device sets the correspondence between the vehicle platform and the plurality of talk groups, and the control device sets the correspondence between the vehicle platform and the talk group according to at least one of the importance, the priority, and the frequency of the call group.
其中，车台通过通话组与第一数字集群***通信，控制设备分别连接车台及第二数字集群***；进一步包括：通话组的呼叫过程中，控制设备在对应的车台与第二数字集群***之间传输数据，以实现第一数字集群***与第二数字集群***之间的互联。The vehicle station communicates with the first digital trunking system through the talk group, and the control device is respectively connected to the vehicle platform and the second digital trunking system; further comprising: during the call of the talk group, the control device is in the corresponding vehicle platform and the second digital cluster Data is transferred between the systems to enable interconnection between the first digital trunking system and the second digital trunking system.
为了至少部分解决以上问题，本发明提出了一种频谱资源调度装置。该频谱资源调度装置包括处理器和通信电路，处理器连接通信电路，处理器用于执行指令以实现前述的频谱资源调度方法。In order to at least partially solve the above problems, the present invention proposes a spectrum resource scheduling apparatus. The spectrum resource scheduling apparatus includes a processor and a communication circuit, and the processor is coupled to the communication circuit, and the processor is configured to execute the instruction to implement the foregoing spectrum resource scheduling method.
为了至少部分解决以上问题，本发明提出了一种可读存储介质。该可读存 储介质存储有指令，指令被执行时实现前述的频谱资源调度方法。In order to at least partially solve the above problems, the present invention proposes a readable storage medium. The readable storage medium stores instructions that, when executed, implement the aforementioned spectrum resource scheduling method.
本发明的有益效果是：通过使用波束赋形技术，使得为信号制式冲突的用户设备/群组服务的波束指向目标用户设备/群组，由于冲突的不同用户设备/群组的位置不一定相同，相应的服务波束的指向不一定一致，指向不同的波束会带来信号干扰的衰减，从而减少甚至免去频率保护带的使用，提高频谱利用率。The beneficial effects of the present invention are: by using the beamforming technology, the beam of the user equipment/group service that is in conflict with the signal system is directed to the target user equipment/group, and the positions of different user equipments/groups are not necessarily the same due to conflicts. The corresponding service beam does not necessarily have the same orientation. Pointing to different beams will cause signal interference attenuation, thereby reducing or even eliminating the use of the frequency protection band and improving spectrum utilization.
【附图说明】[Description of the Drawings]
图1是本发明频谱资源调度方法第一实施例的流程示意图；1 is a schematic flowchart of a first embodiment of a spectrum resource scheduling method according to the present invention;
图2是本发明频谱资源调度方法第一实施例中空间隔离的示意图；2 is a schematic diagram of spatial isolation in a first embodiment of a spectrum resource scheduling method according to the present invention;
图3是本发明频谱资源调度方法第一实施例中波束之间的间隔角度与干扰衰减的映射关系的示意图；3 is a schematic diagram of a mapping relationship between an interval between beams and interference attenuation in a first embodiment of a spectrum resource scheduling method according to the present invention;
图4是本发明频谱资源调度方法第二实施例的流程示意图；4 is a schematic flowchart of a second embodiment of a spectrum resource scheduling method according to the present invention;
图5是本发明频谱资源调度方法第三实施例的流程示意图；5 is a schematic flowchart of a third embodiment of a spectrum resource scheduling method according to the present invention;
图6是本发明频谱资源调度方法第四实施例的一个例子中PDT信号频点设置在LTE信号保护带内的示意图；6 is a schematic diagram of a PDT signal frequency point set in an LTE signal protection band in an example of a fourth embodiment of the spectrum resource scheduling method of the present invention;
图7是本发明频谱资源调度装置第一实施例的结构示意图；7 is a schematic structural diagram of a first embodiment of a spectrum resource scheduling apparatus according to the present invention;
图8是本发明可读存储介质第一实施例的结构示意图。Figure 8 is a block diagram showing the first embodiment of the readable storage medium of the present invention.
【具体实施方式】【Detailed ways】
下面结合附图和实施例对本发明进行详细说明。以下各实施例中不冲突的可以相互结合。The invention will now be described in detail in conjunction with the drawings and embodiments. The conflicts in the following embodiments may be combined with each other.
如图1所示，本发明频谱资源调度方法第一实施例包括：As shown in FIG. 1, the first embodiment of the spectrum resource scheduling method of the present invention includes:
S1：判断是否存在信号制式冲突的用户设备(User Equipment，UE)/群组。S1: Determine whether there is a user equipment (UE)/group of the signal system conflict.
本实施例的执行主体为频谱资源的调度方，例如基站。The execution body of this embodiment is a scheduler of spectrum resources, such as a base station.
群组内包括若干个用户设备，这些用户设备共用同样的时频资源。The group includes several user equipments, which share the same time-frequency resources.
信号制式冲突是指不同信号制式之间不兼容，例如长期演进(Long Term  Evolution，LTE)信号与警用数字集群(Police Digital Trunking，PDT)信号。信号制式冲突的用户设备/群组的包括至少两个信号制式互不兼容的用户设备/群组。Signal system conflict refers to incompatibility between different signal formats, such as Long Term Evolution (LTE) signals and Police Digital Trunking (PDT) signals. The user equipment/group of the signal system conflict includes at least two user equipment/groups in which the signal systems are mutually incompatible.
如果当前待调度资源需要分配给信号制式冲突的用户设备/群组，例如使用LTE信号的用户设备/群组和使用PDT信号的用户设备/群组，则表示存在信号制式冲突的用户设备/群组，反之则表示不存在信号制式冲突的用户设备/群组。If the current resource to be scheduled needs to be allocated to the user equipment/group of the signal system conflict, for example, the user equipment/group using the LTE signal and the user equipment/group using the PDT signal, it indicates that the user equipment/group with the signal system conflict exists. Group, otherwise, indicates that there are no user equipment/groups with signal collisions.
如果不存在信号制式冲突的用户设备/群组，可以直接按照正常的流程进行调度。If there is no user equipment/group with signal system conflicts, you can directly schedule according to the normal process.
S2：若存在，则进行冲突场景下的资源调度，其中冲突场景下的资源调度包括为信号制式冲突的用户设备/群组分配对应的波束赋形参数以进行空间隔离。S2: If yes, the resource scheduling in the conflicting scenario is performed, where the resource scheduling in the conflicting scenario includes allocating corresponding beamforming parameters to the user equipment/group of the signal system conflict for spatial isolation.
冲突场景下的资源调度可能需要抑制冲突的不同信号制式的用户设备/群组的信号之间存在的干扰。在本实施例中，为信号制式冲突的用户设备/群组分配对应的波束赋形参数，以在后续的信号发送/接收过程中采用波束赋形技术发送和/或接收信号制式冲突的用户设备/群组的信号。波束赋形是一种基于天线阵列的信号预处理技术，波束赋形通过调整天线阵列中每个阵元的加权系数产生具有指向性的波束。Resource scheduling in a collision scenario may require interference between signals of user equipment/groups of different signal systems that are subject to collision. In this embodiment, the user equipment/group that conflicts with the signal system is assigned a corresponding beamforming parameter to use the beamforming technology to transmit and/or receive the user equipment in the signal system conflict in the subsequent signal transmission/reception process. / group of signals. Beamforming is a signal preprocessing technique based on an antenna array. Beamforming produces a directional beam by adjusting the weighting coefficients of each element in the antenna array.
使用波束赋形技术，使得为信号制式冲突的用户设备/群组服务的波束指向其对应的用户设备/群组。服务波束不一定要完全精准的指向其服务目标以达到最大增益，也可以考虑其他因素，例如尽量减小干扰。The beamforming technique is used to direct the beam of user equipment/group services that are in conflict with the signal system to their corresponding user equipment/group. The service beam does not have to be fully targeted to its service target to achieve maximum gain, and other factors can be considered, such as minimizing interference.
由于冲突的不同用户设备/群组的位置不一定相同，相应的服务波束的指向不一定一致，实现了空间隔离。举例说明，如图2所示，用户设备A和用户设备B使用的信号制式相互冲突，群组C(包括用户设备C1、C2、C3)和群组D(包括用户设备D1、D2、D3)使用的信号制式相互冲突。采用波束赋形技术之后，波束A为用户设备A服务，波束B为用户设备B服务，波束A和波束B的指向不同；波束C为群组C服务，波束D为群组D服务，波束C和波束D 的指向不同。指向不同的波束会带来信号干扰的衰减。波束之间的间隔角度越大，干扰衰减越大，具体映射关系可以如图3所示。Since the locations of different user equipments/groups of the conflict are not necessarily the same, the corresponding service beams are not necessarily aligned, and spatial isolation is achieved. For example, as shown in FIG. 2, the signal formats used by user equipment A and user equipment B conflict with each other, group C (including user equipment C1, C2, C3) and group D (including user equipment D1, D2, D3). The signal formats used conflict with each other. After beamforming, beam A serves user equipment A, beam B serves user equipment B, beam A and beam B have different directions; beam C serves group C, and beam D serves group D, beam C. Different from the direction of beam D. Pointing to different beams can cause attenuation of signal interference. The larger the interval between the beams, the greater the interference attenuation. The specific mapping relationship can be as shown in Figure 3.
如果空间隔离带来的干扰衰减能够满足抑制干扰的需要，那么就不需要使用频率保护带；如果空间隔离带来的干扰衰减不能够满足抑制干扰的需要，也能够减少所需要的频率保护带的带宽，从而提高频谱利用率。If the interference attenuation caused by spatial isolation can meet the need of suppressing interference, then the frequency protection band is not needed; if the interference attenuation caused by spatial isolation can not meet the need of suppressing interference, the required frequency protection band can also be reduced. Bandwidth, which increases spectrum utilization.
如图4所示，本发明频谱资源调度方法第二实施例，是在本发明频谱资源调度方法第一实施例的基础上，S2进一步包括：As shown in FIG. 4, the second embodiment of the spectrum resource scheduling method of the present invention is based on the first embodiment of the spectrum resource scheduling method of the present invention, and S2 further includes:
S21：根据波束宽度及信号制式冲突的用户设备/群组的位置信息计算空间隔离的干扰衰减。S21: Calculate the interference attenuation of the spatial isolation according to the location information of the user equipment/group of the beamwidth and the signal system conflict.
可以根据用户设备/群组的位置信息确认其服务波束的指向，从而计算出不同波束之间的间隔角度，然后利用间隔角度和波束宽度计算出空间隔离的干扰衰减。一般而言，波束宽度越大，空间隔离的干扰衰减越小，而间隔角度和干扰衰减之间的映射关系可参考图3。The direction of the service beam can be confirmed according to the location information of the user equipment/group, thereby calculating the interval angle between different beams, and then calculating the interference attenuation of the spatial isolation by using the interval angle and the beam width. In general, the larger the beam width, the smaller the interference attenuation of the spatial isolation, and the mapping relationship between the separation angle and the interference attenuation can be referred to FIG. 3.
用户设备/群组的位置信息可以包括其俯仰角和/或方位角。The location information of the user equipment/group may include its pitch angle and/or azimuth.
群组的位置信息可以是其整体的位置信息，也可以是其中某个用户设备的用户信息。在本发明一个实施例中，群组的位置信息为该群组中距离信号制式冲突的另一群组最近的用户设备的位置信息。仍以图2中的群组C和群组D举例说明，群组C的位置信息为其中的用户设备C2的位置信息，群组C的位置信息为其中的用户设备D2的位置信息。The location information of the group may be the location information of the whole group, or may be the user information of one of the user equipments. In an embodiment of the present invention, the location information of the group is the location information of the latest user equipment of another group in the group whose distance signal system conflicts. Still taking the group C and the group D in FIG. 2 as an example, the location information of the group C is the location information of the user equipment C2 therein, and the location information of the group C is the location information of the user equipment D2 therein.
在本步骤的执行之前可以根据接收到的来自于信号制式冲突的用户设备/群组的信号获取信号制式冲突的用户设备/群组的位置信息，具体内容可参考后续实施例的描述。Before the execution of this step, the location information of the user equipment/group of the conflicting signal system may be obtained according to the received signal from the user equipment/group of the signal system conflict. For details, refer to the description of the subsequent embodiments.
S22：根据空间隔离的干扰衰减、信号制式冲突的用户设备/群组的当前功率及业务要求判断经过空间隔离之后的信号功率能否满足业务要求。S22: Determine whether the signal power after spatial isolation can meet the service requirement according to the interference attenuation of the spatial isolation, the current power of the user equipment/group of the conflicting signal system, and the service requirement.
***能够正常通信的条件为：The conditions under which the system can communicate normally are:
P user-ΔI ij≥Sir Need                (1) P user -ΔI ij ≥Sir Need (1)
其中，P user为信号制式冲突的用户设备/群组的当前功率，ΔI ij为经过干扰抑制之后剩余的信号间干扰功率，Sir Need为满足业务要求的最低信噪比(一般由用户设备/群组当前使用的业务决定)，下标i,j为不同制式的用户设备/群组的索引，本实施例中各参数的单位是经过对数运算的，例如分贝毫瓦(dBm)或分贝(dB)，因此在计算时使用的是加减法。执行本步骤之前可以获取信号制式冲突的用户设备/群组的当前功率。 Where P user is the current power of the user equipment/group of the signal system conflict, ΔI ij is the inter-signal interference power remaining after the interference suppression, and Sir Need is the lowest signal-to-noise ratio that satisfies the service requirement (generally by the user equipment/group) The service is currently used by the group. The subscripts i and j are indexes of user equipments/groups of different standards. In this embodiment, the units of each parameter are logarithmically operated, for example, decibel milliwatts (dBm) or decibels ( dB), so the addition and subtraction are used in the calculation. The current power of the user equipment/group of the signal system conflict can be obtained before performing this step.
为判断经过空间隔离之后的信号功能能够满足业务需求，先令
Figure PCTCN2017119607-appb-000001
I ij为当前的信号间干扰功率，
Figure PCTCN2017119607-appb-000002
为空间隔离带来的的干扰衰减，得到的判断式如下： To determine the signal function after spatial isolation can meet the business needs, shilling
Figure PCTCN2017119607-appb-000001
I ij is the current inter-signal interference power,
Figure PCTCN2017119607-appb-000002
For the interference attenuation caused by spatial isolation, the judgment is as follows:
Figure PCTCN2017119607-appb-000003
Figure PCTCN2017119607-appb-000003
如果式(2)能够成立，则可以认为用户设备/群组的信号之间完全不相关，可以不使用频域保护带而直接跳转到步骤S24；如果式(2)不成立，则可以认为用户设备/群组的信号之间相关，需要使用频域保护带，跳转至步骤S23以计算频域保护带的带宽，即频域间隔。If the formula (2) can be established, it can be considered that the signals of the user equipment/group are completely uncorrelated, and the direct jump to the step S24 can be performed without using the frequency domain guard band; if the formula (2) is not established, the user can be considered The signals of the device/group are related, and the frequency domain guard band needs to be used, and the process proceeds to step S23 to calculate the bandwidth of the frequency domain guard band, that is, the frequency domain interval.
在本发明一个实施例中，I ij可以近似为信号制式冲突的另一用户设备/群组的当前功率。仍以图2中的用户设备A和用户设备B为例来说明，假设P user为用户设备A的当前功率，则I ij为用户设备B的当前功率，反之亦然。 In one embodiment of the invention, I ij may approximate the current power of another user equipment/group that the signal system conflicts. Still taking the user equipment A and the user equipment B in FIG. 2 as an example, if P user is the current power of user equipment A, then I ij is the current power of user equipment B, and vice versa.
S23：计算空间隔离之外所需的频域间隔。S23: Calculate the frequency domain interval required outside of spatial isolation.
在此情况下，需要使用空间隔离和频域保护带来进行干扰抑制，因此令
Figure PCTCN2017119607-appb-000004
Figure PCTCN2017119607-appb-000005
为频域间隔带来的功率衰减，代入式(1)可得 In this case, space isolation and frequency domain protection are required to perform interference suppression.
Figure PCTCN2017119607-appb-000004
Figure PCTCN2017119607-appb-000005
The power attenuation for the frequency domain interval is obtained by substituting (1)
Figure PCTCN2017119607-appb-000006
Figure PCTCN2017119607-appb-000006
又因为
Figure PCTCN2017119607-appb-000007
可得： also because
Figure PCTCN2017119607-appb-000007
Available:
Figure PCTCN2017119607-appb-000008
Figure PCTCN2017119607-appb-000008
其中，f为信号干扰功率计算函数，f -1为信号干扰功率计算函数的反函数。 Where f is the signal interference power calculation function and f -1 is the inverse function of the signal interference power calculation function.
跳转至步骤S24。Go to step S24.
S24：为信号制式冲突的用户设备/群组分配时频资源。S24: Allocating time-frequency resources to user equipment/groups in which the signal system conflicts.
如果需要使用频率保护带，分配时频资源时应按照计算得到频域间隔进行频域分集，即在频域上使用带宽为频域间隔的频率保护带将分配给信号制式冲突的用户设备/群组时频资源分隔开。If a frequency guard band is required, the frequency domain interval should be allocated according to the frequency domain diversity in the frequency domain, that is, the frequency band with the frequency band interval in the frequency domain will be allocated to the user equipment/group of the signal system conflict. Group time-frequency resources are separated.
在多用户设备/群组调度的情况下，如果需要使用的频率保护带不止一个，则可以选择按照其带宽，即频域间隔从小到大的顺序对分配的时频资源在频域上进行分集排布。In the case of multi-user equipment/group scheduling, if more than one frequency guard band is needed, then the time-frequency resources allocated in the frequency domain may be selected according to their bandwidth, that is, the frequency domain interval is from small to large. Arrange.
如果不需要使用频率保护带，分配时频资源时无需考虑频域分集。If you do not need to use a frequency guard band, you do not need to consider frequency domain diversity when allocating time-frequency resources.
后续可以使用分配的时频资源与用户设备/群组进行通信。Subsequent communication with the user equipment/group can be performed using the allocated time-frequency resources.
举例说明，用户设备调度所需的基本参数为(β，α，P user)，其中β为俯仰角，α为方位角，P user为当前功率。Sir Need＝0db。 For example, the basic parameters required for user equipment scheduling are (β, α, P user ), where β is the pitch angle, α is the azimuth, and P user is the current power. Sir Need = 0db.
假设用户设备1(PDT)和用户设备2(LTE)的基本参数分别为(0°，0°，-10dbm)和(0°，75°，-10dbm)，可得分别指向两者的波束之间的间隔角度为75°，空间隔离的干扰衰减比率为100％，无需使用频率保护带。假设用户设备1和用户设备2的基本参数分别为(0°，0°，-10dbm)和(0°，15°，-10dbm)，可得分别指向两者的波束之间的间隔角度为15°，空间隔离的干扰衰减为18db，则频率保护带带来的干扰衰减最小为
Figure PCTCN2017119607-appb-000009
计算可得频率保护带的带宽，即频谱间隔为12.5kHz。 Assume that the basic parameters of User Equipment 1 (PDT) and User Equipment 2 (LTE) are (0°, 0°, -10dbm) and (0°, 75°, -10dbm), respectively, which can be directed to the beams of the two. The spacing angle between the two is 75°, and the interference attenuation ratio of the space isolation is 100%, eliminating the need for a frequency protection band. Assuming that the basic parameters of user equipment 1 and user equipment 2 are (0°, 0°, -10dbm) and (0°, 15°, -10dbm), respectively, the angle between the beams pointing to the two is 15 °, the interference attenuation of spatial isolation is 18db, the interference attenuation caused by the frequency protection band is minimum
Figure PCTCN2017119607-appb-000009
Calculate the bandwidth of the available frequency guard band, that is, the spectrum interval is 12.5 kHz.
如图5所示，本发明频谱资源调度方法第三实施例，是在本发明频谱资源调度方法第二实施例的基础上，进行资源调度之前先获取调度所需的基本参数。本实施例是对本发明频谱资源调度方法第二实施例的进一步扩展，因此与本发明频谱资源调度方法第二实施例相同的内容在此不再赘述。本实施例包括：As shown in FIG. 5, the third embodiment of the spectrum resource scheduling method of the present invention is based on the second embodiment of the spectrum resource scheduling method of the present invention, and the basic parameters required for scheduling are obtained before resource scheduling. This embodiment is a further extension of the second embodiment of the spectrum resource scheduling method of the present invention. Therefore, the same content as the second embodiment of the spectrum resource scheduling method of the present invention is not described herein. This embodiment includes:
S31：根据不同高度天线阵元上接收到的信号相位获取用户设备/群组的俯仰角。S31: Acquire a pitch angle of the user equipment/group according to the phase of the signal received on the antenna elements of different heights.
S32：根据不同方位天线阵元上接收到的信号相位获取用户设备/群组的方位角。S32: Acquire an azimuth of the user equipment/group according to the phase of the signal received on the antenna elements of different azimuths.
用户设备/群组的俯仰角和方位角组成其位置信息。The pitch and azimuth angles of the user equipment/group constitute its position information.
S33：获取用户设备/群组的当前功率。S33: Acquire current power of the user equipment/group.
S31-S33三个步骤可以是针对所有待调度的用户设备/群组的，且三者的执行顺序仅为示意，实际可以同时执行或者调换顺序。The three steps S31-S33 may be for all user equipments/groups to be scheduled, and the execution order of the three is only an indication, and the order may be executed or switched at the same time.
S34：判断是否存在信号制式冲突的用户设备/群组。S34: Determine whether there is a user equipment/group of the signal system conflict.
若不存在，则跳转至步骤S35；若存在，则跳转至步骤S36。If not, the process goes to step S35; if it does, the process goes to step S36.
在其他实施例中，也可以先执行本步骤，然后再获取信号制式冲突的用户设备/群组的基本参数，包括俯仰角、方位角、当前功率。In other embodiments, this step may also be performed first, and then the basic parameters of the user equipment/group of the signal system conflict, including the pitch angle, the azimuth, and the current power, are acquired.
S35：按照正常流程进行调度。S35: Perform scheduling according to a normal process.
结束流程。End the process.
S36：为信号制式冲突的用户设备/群组分配对应的波束赋形参数以进行空间隔离。S36: Allocating corresponding beamforming parameters to the user equipment/group of the signal system conflict for spatial isolation.
S37：根据波束宽度及信号制式冲突的用户设备/群组的位置信息计算空间隔离的干扰衰减。S37: Calculate the interference attenuation of the spatial isolation according to the location information of the user equipment/group of the beamwidth and the signal system conflict.
S38：根据空间隔离的干扰衰减、信号制式冲突的用户设备/群组的当前功率及业务要求判断经过空间隔离之后的信号功率能否满足业务要求。S38: Determine whether the signal power after spatial isolation can meet the service requirement according to the interference attenuation of the spatial isolation, the current power of the user equipment/group of the signal system conflict, and the service requirement.
若能满足，则跳转到步骤S39；否则跳转到步骤S40。If yes, go to step S39; otherwise, go to step S40.
S39：直接为信号制式冲突的用户设备/群组分配时频资源。S39: Allocate time-frequency resources directly to the user equipment/group of the signal system conflict.
结束流程。End the process.
S40：计算空间隔离之外所需的频域间隔。S40: Calculate the frequency domain interval required outside of spatial isolation.
S41：按照频域间隔从小到大的顺序对信号制式冲突的用户设备/群组的时频资源在频域上进行分集排布。S41: The time-frequency resources of the user equipment/group of the conflicting signal system are hierarchically arranged in the frequency domain according to the frequency domain interval from small to large.
S42：若分集排布后的所有时频资源在频域上超过***带宽，则将部分信号制式冲突的用户设备/群组调度至不同传输时间间隔。S42: If all the time-frequency resources after the diversity arrangement exceeds the system bandwidth in the frequency domain, the user equipment/group of the partial signal system conflict is scheduled to different transmission time intervals.
可以将信号制式冲突的用户设备/群组中的至少一组中的至少一个的用户设备/群组调度至不同传输时间间隔，从而在在时域上分隔该组信号制式冲突的 用户设备/群组。调度之后当前传输时间间隔内分配的时频资源在频域上小于或者等于***带宽。具体的，可以按照频域间隔从大到小的顺序依次对信号制式冲突的用户设备/群组进行分隔。User equipment/groups of at least one of at least one of the user equipment/groups in which the signal regime conflicts may be scheduled to different transmission time intervals, thereby separating the user equipment/group of the group of signal collisions in the time domain group. The time-frequency resources allocated during the current transmission time interval after scheduling are less than or equal to the system bandwidth in the frequency domain. Specifically, the user equipment/groups in which the signal system conflicts may be separated in order from the largest to the smallest in the frequency domain interval.
举例说明，用户设备3和用户设备4之间的频域间隔为10kHz，用户设备5和用户设备6之间的频域间隔为200kHz，用户设备3/4与用户设备5/6之间无需频域保护带。若同时调度用户设备3-6会导致分集排布后的时频资源在频域上超过***带宽，则可选择将用户设备5或者6调度至其他传输时间间隔，例如下一个传输时间间隔。For example, the frequency domain interval between the user equipment 3 and the user equipment 4 is 10 kHz, the frequency domain interval between the user equipment 5 and the user equipment 6 is 200 kHz, and no frequency is required between the user equipment 3/4 and the user equipment 5/6. Domain protection zone. If the user equipment 3-6 is scheduled at the same time, the time-frequency resources after the diversity arrangement exceeds the system bandwidth in the frequency domain, the user equipment 5 or 6 may be scheduled to be scheduled to other transmission time intervals, for example, the next transmission time interval.
本发明频谱资源调度方法第四实施例，是在本发明频谱资源调度方法第一实施例的基础上，利用宽带信号的保护带来进行宽窄融合。The fourth embodiment of the spectrum resource scheduling method of the present invention is based on the first embodiment of the spectrum resource scheduling method of the present invention, and utilizes the protection of the wideband signal to perform wide-narrow fusion.
冲突信号制式包括宽带信号和窄带信号，窄带信号的带宽一般远小于宽带信号的带宽。若窄带信号的带宽小于宽带信号的保护带的带宽，则可以将冲突的窄带信号的频点设置于宽带信号的保护带内。The collision signal system includes a wideband signal and a narrowband signal, and the bandwidth of the narrowband signal is generally much smaller than the bandwidth of the wideband signal. If the bandwidth of the narrowband signal is smaller than the bandwidth of the guardband of the wideband signal, the frequency of the conflicting narrowband signal can be set within the guardband of the wideband signal.
以LTE信号作为宽带信号，PDT信号作为窄带信号来举例说明，LTE的保护带的带宽为2M，而PDT信号的带宽仅为12.5kHz，则PDT信号的频点可以设置在LTE的保护带中，如图6所示，从而进一步减少频谱占用。Taking the LTE signal as the wideband signal and the PDT signal as the narrowband signal, the bandwidth of the LTE guard band is 2M, and the bandwidth of the PDT signal is only 12.5 kHz. The frequency of the PDT signal can be set in the LTE protection band. As shown in Figure 6, this further reduces spectrum occupancy.
需要注意的是，如果宽带信号和窄带信号之间需要使用频率保护带进行分隔，则优先考虑频率保护带的需求。假设频率保护带的带宽大于宽带信号的单侧保护带的带宽，则应将窄带信号的频点设置在宽带信号及其保护带之外。It should be noted that if a frequency guard band is required for separation between the wideband signal and the narrowband signal, the requirement of the frequency guard band is prioritized. Assuming that the bandwidth of the frequency guard band is greater than the bandwidth of the single-sided guard band of the wideband signal, the frequency of the narrowband signal should be set outside the wideband signal and its guard band.
如图7所示，本发明频谱资源调度装置第一实施例包括：处理器110和通信电路120，处理器110连接通信电路120。As shown in FIG. 7, the first embodiment of the spectrum resource scheduling apparatus of the present invention includes a processor 110 and a communication circuit 120, and the processor 110 is connected to the communication circuit 120.
通信电路120用于发送和接收数据，是频谱资源调度装置与其他通信设备进行通信的接口。The communication circuit 120 is configured to transmit and receive data, and is an interface for the spectrum resource scheduling device to communicate with other communication devices.
处理器110控制频谱资源调度装置的操作，处理器110还可以称为CPU(Central Processing Unit，中央处理单元)。处理器110可能是一种集成电路芯片，具有信号的处理能力。处理器110还可以是通用处理器、数字信号处理器 (DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。The processor 110 controls the operation of the spectrum resource scheduling apparatus, and the processor 110 may also be referred to as a CPU (Central Processing Unit). Processor 110 may be an integrated circuit chip with signal processing capabilities. The processor 110 can also be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, and discrete hardware components. . The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
处理器110用于执行指令以实现本发明频谱资源调度方法第一第四实施例中任一个以及不冲突的组合所提供的方法。The processor 110 is configured to execute instructions to implement the method provided by any one of the first and fourth embodiments of the spectrum resource scheduling method of the present invention and a non-conflicting combination.
本实施例中的频谱资源调度装置可以是频谱资源的调度方，例如基站，也可以是可集成于其中的独立部件，例如基带板等。The spectrum resource scheduling apparatus in this embodiment may be a scheduling party of the spectrum resource, such as a base station, or may be a separate component that can be integrated therein, such as a baseband board.
如图8所示，本发明可读存储介质第一实施例包括存储器210，存储器210存储有指令，该指令被执行时实现本发明频谱资源调度方法第一至第四实施例中任一个以及任意不冲突的组合所提供的方法。As shown in FIG. 8, a first embodiment of the readable storage medium of the present invention includes a memory 210 storing instructions that, when executed, implement any one of the first to fourth embodiments of the spectrum resource scheduling method of the present invention and any The method provided by the non-conflicting combination.
存储器210可以包括只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、闪存(Flash Memory)、硬盘、光盘等。The memory 210 may include a read-only memory (ROM), a random access memory (RAM), a flash memory, a hard disk, an optical disk, and the like.
在本发明所提供的几个实施例中，应该理解到，所揭露的方法和装置，可以通过其它的方式实现。例如，以上所描述的装置实施方式仅仅是示意性的，例如，所述模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。In the several embodiments provided by the present invention, it should be understood that the disclosed method and apparatus may be implemented in other manners. For example, the device implementations described above are merely illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施方式方案的目的。The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元 中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本发明各个实施方式所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods of the various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the invention and the drawings are directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims (13)

  1. 一种频谱资源调度方法，其特征在于，包括：A spectrum resource scheduling method, comprising:
    判断是否存在信号制式冲突的用户设备/群组；Determining whether there is a user equipment/group of signal system conflicts;
    若存在，则进行冲突场景下的资源调度，其中所述冲突场景下的资源调度包括：为所述信号制式冲突的用户设备/群组分配对应的波束赋形参数以进行空间隔离。If yes, the resource scheduling in the conflicting scenario is performed, where the resource scheduling in the conflicting scenario includes: allocating corresponding beamforming parameters to the user equipment/group in which the signal system conflicts to perform spatial isolation.
  2. 根据权利要求1所述的方法，其特征在于，The method of claim 1 wherein
    所述进行冲突场景下的资源调度进一步包括：The resource scheduling in the conflict scenario further includes:
    根据波束宽度及所述信号制式冲突的用户设备/群组的位置信息计算所述空间隔离的干扰衰减；Calculating the interference attenuation of the spatial isolation according to the beam width and the location information of the user equipment/group that the signal system conflicts;
    根据所述空间隔离的干扰衰减、所述信号制式冲突的用户设备/群组的当前功率及业务要求判断经过所述空间隔离之后的信号功率能否满足所述业务要求；Determining, according to the interference attenuation of the spatial isolation, the current power of the user equipment/group of the signal system conflict, and the service requirement, whether the signal power after the spatial isolation can meet the service requirement;
    若不满足，则计算所述空间隔离之外所需的频域间隔，按照所述频域间隔为所述信号制式冲突的用户设备/群组分配时频资源；若满足，则直接为所述信号制式冲突的用户设备/群组分配时频资源。If not, the frequency domain interval required for the spatial isolation is calculated, and the time-frequency resource is allocated to the user equipment/group of the signal system conflict according to the frequency domain interval; if yes, the direct The user equipment/group of the signal system conflict allocates time-frequency resources.
  3. 根据权利要求2所述的方法，其特征在于，The method of claim 2 wherein:
    所述进行冲突场景下的资源调度之前进一步包括：Before performing the resource scheduling in the conflict scenario, the method further includes:
    获取所述信号制式冲突的用户设备/群组的位置信息。Obtaining location information of the user equipment/group of the signal system conflict.
  4. 根据权利要求3所述的方法，其特征在于，The method of claim 3 wherein:
    所述信号制式冲突的用户设备/群组的位置信息包括俯仰角和/或方位角；The location information of the user equipment/group conflicting with the signal system includes a pitch angle and/or an azimuth angle;
    所述获取所述信号制式冲突的用户设备/群组的位置信息包括：The acquiring location information of the user equipment/group of the signal system conflict includes:
    根据不同高度天线阵元上接收到的信号相位获取所述信号制式冲突的用户设备/群组的俯仰角；和/或Obtaining a pitch angle of the user equipment/group of the signal system conflict according to the phase of the signal received on the antenna elements of different heights; and/or
    根据不同方位天线阵元上接收到的信号相位获取所述信号制式冲突的用户 设备/群组的方位角。The azimuth of the user equipment/group in which the signal system conflicts is obtained according to the phase of the signal received on the antenna elements of different azimuths.
  5. 根据权利要求2所述的方法，其特征在于，The method of claim 2 wherein:
    所述群组的位置信息为所述群组中距离所述信号制式冲突的另一所述群组最近的用户设备的位置信息。The location information of the group is location information of the user equipment in the group that is closest to another group in which the signal system conflicts.
  6. 根据权利要求2所述的方法，其特征在于，The method of claim 2 wherein:
    所述频域间隔
    Figure PCTCN2017119607-appb-100001
    Frequency domain interval
    Figure PCTCN2017119607-appb-100001
    其中f -1为信号干扰功率计算函数的反函数，
    Figure PCTCN2017119607-appb-100002
    为频域间隔带来的功率衰减，且
    Figure PCTCN2017119607-appb-100003
    Sir Need为满足所述业务要求的最低信噪比，P user为所述信号制式冲突的用户设备/群组的当前功率，I ij为当前的信号间干扰功率，
    Figure PCTCN2017119607-appb-100004
    为所述空间隔离的干扰衰减。     Where f -1 is the inverse of the signal interference power calculation function,
    Figure PCTCN2017119607-appb-100002
    Power attenuation for frequency domain spacing, and
    Figure PCTCN2017119607-appb-100003
    Sir Need is the lowest signal-to-noise ratio that satisfies the service requirements. P user is the current power of the user equipment/group of the signal system conflict, and I ij is the current inter-signal interference power.
    Figure PCTCN2017119607-appb-100004
    Interference attenuation for the spatial isolation.
  7. 根据权利要求6所述的方法，其特征在于，The method of claim 6 wherein:
    I ij等于信号制式冲突的另一用户设备/群组的当前功率。 I ij is equal to the current power of another user equipment/group that the signal system conflicts.
  8. 根据权利要求6所述的方法，其特征在于，The method of claim 6 wherein:
    所述进行冲突场景下的资源调度之前进一步包括：Before performing the resource scheduling in the conflict scenario, the method further includes:
    获取所述信号制式冲突的用户设备/群组的当前功率。Obtaining the current power of the user equipment/group of the signal system conflict.
  9. 根据权利要求2所述的方法，其特征在于，The method of claim 2 wherein:
    所述按照所述频域间隔为所述信号制式冲突的用户设备/群组分配时频资源包括：The allocating time-frequency resources to the user equipment/group in which the signal system conflicts according to the frequency domain interval includes:
    按照所述频域间隔从小到大的顺序对所述信号制式冲突的用户设备/群组的所述时频资源在频域上进行分集排布。The time-frequency resources of the user equipment/group of the signal system conflicting are hierarchically arranged in the frequency domain according to the frequency domain interval from small to large.
  10. 根据权利要求2所述的方法，其特征在于，The method of claim 2 wherein:
    所述按照所述频域间隔从小到大的顺序对所述信号制式冲突的用户设备/群组的所述时频资源在频域上进行分集排布之后进一步包括：After the frequency-domain allocation of the time-frequency resources of the user equipment/group in which the signal system conflicts is performed in the frequency domain interval, the method further includes:
    若所述分集排布后的所有所述时频资源在频域上超过***带宽，则将部分所述信号制式冲突的用户设备/群组调度至不同传输时间间隔。If all of the time-frequency resources after the diversity arrangement exceeds the system bandwidth in the frequency domain, some user equipment/groups that conflict with the signal system are scheduled to different transmission time intervals.
  11. 根据权利要求1-10中任一项所述的方法，其特征在于，A method according to any one of claims 1 to 10, wherein
    冲突信号制式包括宽带信号和窄带信号，所述窄带信号的频点可位于所述宽带信号的保护带内。The collision signal system includes a wideband signal and a narrowband signal, and the frequency of the narrowband signal may be located within a guard band of the wideband signal.
  12. 一种频谱资源调度装置，其特征在于，包括处理器和通信电路，所述处理器连接所述通信电路，所述处理器用于执行指令以实现如权利要求1-11中任一项所述的方法。A spectrum resource scheduling apparatus, comprising: a processor and a communication circuit, the processor being coupled to the communication circuit, the processor for executing an instruction to implement the method of any one of claims 1-11 method.
  13. 一种可读存储介质，存储有指令，其特征在于，所述指令被执行时实现如权利要求1-11中任一项所述的方法。A readable storage medium storing instructions, wherein the instructions are executed to implement the method of any of claims 1-11.
PCT/CN2017/119607 2017-12-28 2017-12-28 Frequency spectrum resource scheduling method and device WO2019127293A1 (en)

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CN103036603A (en) * 2011-10-09 2013-04-10 中兴通讯股份有限公司 Processing method and device of intelligent antenna wave beam forming weight value
CN103327500A (en) * 2012-03-23 2013-09-25 华为技术有限公司 Method and device for suppressing interference
CN103840865A (en) * 2012-11-22 2014-06-04 ***通信集团公司 Intelligent antenna device supporting multiple network types
US9560550B1 (en) * 2014-02-12 2017-01-31 Sprint Communications Company L.P. Mitigating interference using beamforming

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103036603A (en) * 2011-10-09 2013-04-10 中兴通讯股份有限公司 Processing method and device of intelligent antenna wave beam forming weight value
CN103327500A (en) * 2012-03-23 2013-09-25 华为技术有限公司 Method and device for suppressing interference
CN103840865A (en) * 2012-11-22 2014-06-04 ***通信集团公司 Intelligent antenna device supporting multiple network types
US9560550B1 (en) * 2014-02-12 2017-01-31 Sprint Communications Company L.P. Mitigating interference using beamforming

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