Dynamic spectrum sharing method and device, storage medium and electronic device

Abstract

The present disclosure provides a dynamic spectrum sharing method and device, storage medium and electronic device, which relate to the field of wireless communication technology. The method includes: calculating the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS according to the long-term evolution physical cell identification code obtained from the new air interface base station; determining the second RE position corresponding to the new air interface physical downlink control channel demodulation reference signal NR PDCCH DMRS according to the first RE position; monitoring the interference situation of the neighboring cell LTE CRS according to a preset period; adjusting the second RE position corresponding to the NR PDCCH DMRS according to the interference situation. Solve the problem of collision interference between LTE CRS and NR PDCCH DMRS, obtain more accurate channel estimation, and improve the demodulation capability of NR PDCCH.

Description

Background Art

[0002] DSS (Dynamic Spectrum Sharing) is used to meet the needs of the 4G spectrum transition stage during the evolution from 4G to 5G. It can dynamically allocate the same spectrum resources to the two standards of network use based on the business conditions of 4G and 5G.

[0003] Under 4G and 5G DSS, due to the existence of LTE (Long Term Evolution) CRS (Cell Reference Signal), NR (New Radio) PDCCH (Physical Downlink Control Channel) needs to avoid LTE CRS symbols.

[0004] However, in the case of LTE with 4 ports, there will be LTE CRS in OFDM symbol 1. LTE CRS is configured for every three REs (Resource Element), and NR PDCCH DMRS (Demodulation Reference Signal) is configured for every four REs. Therefore, in each RB (Resource Block) and REG (Resource Element Group), no matter how they are arranged, there will be a problem of overlapping collision between LTE CRS and NR PDCCH DMRS. The overlapping collision between them will cause interference, which will affect channel estimation and demodulation.

[0005] The existing technology solves the overlapping interference between NR PDCCH DMRS and LTE CRS by puncturing PDCCH DMRS when the signals of both sides overlap and collide. However, puncturing will lead to the loss of pilot signals, which will lead to inaccurate channel estimation and affect NR PDCCH demodulation. At the same time, if there are two LTE cells with different CRS positions, the number of NR PDCCH DMRS that need to be punctured will be greater, and the channel estimation will be worse.

[0006] In summary, there is an urgent need for a technical method to solve the problem of overlapping collision between LTE CRS and NR PDCCH DMRS without causing channel estimation loss.

[0007] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0008] The purpose of the present disclosure is to provide a dynamic spectrum sharing method and device, a storage medium and an electronic device, which can at least to some extent overcome the problem of signal overlap and collision in related technologies.

[0009] Other features and advantages of the present disclosure will become apparent from the following detailed description, or may be learned in part by the practice of the present disclosure.

[0010] According to one aspect of the present disclosure, a dynamic spectrum sharing method is provided, including:

[0011] Calculate the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS according to the long-term evolution physical cell identity code LTE PCI obtained from the new radio interface NR base station;

[0012] Determine a second RE position corresponding to a new radio interface physical downlink control channel demodulation reference signal NR PDCCH DMRS according to the first RE position;

[0013] Monitor the interference of LTE CRS in neighboring cells according to the preset period;

[0014] Adjust the second RE position corresponding to the NR PDCCH DMRS according to the interference situation.

[0015] In one embodiment of the present disclosure, adjusting the second RE position corresponding to the NR PDCCH DMRS according to the interference situation includes:

[0016] Determine whether the interference value of the neighboring cell LTE CRS is greater than a preset threshold;

[0017] If the interference value is greater than a preset threshold, determining whether a third RE position corresponding to the neighboring cell LTE CRS conflicts with the second RE position;

[0018] If the third RE position conflicts with the second RE position, the second RE position is adjusted.

[0019] In one embodiment of the present disclosure, if the third RE position conflicts with the second RE position, adjusting the second RE position includes:

[0020] Avoid the first RE position and the third RE position, and adjust the second RE position according to a preset rule, wherein the preset rule is to configure one NR PDCCH DMRS in every 6 REs.

[0021] In one embodiment of the present disclosure, the method further includes:

[0022] If the interference value is less than the preset threshold, the interference situation of the neighboring cell LTE CRS continues to be monitored according to the preset period.

[0023] In one embodiment of the present disclosure, the method further includes:

[0024] If the third RE position does not conflict with the second RE position, the interference situation of the neighboring cell LTE CRS continues to be monitored according to a preset period.

[0025] In one embodiment of the present disclosure, determining a second RE position corresponding to a new radio interface physical downlink control channel demodulation reference signal NR PDCCH DMRS according to the first position includes:

[0026] Avoid the first RE position, configure an NR PDCCH DMRS in every 6 REs, and determine the second RE position corresponding to the NR PDCCH DMRS.

[0027] In one embodiment of the present disclosure, one LTE CRS is configured for every three REs; and a new radio interface physical downlink control channel NR PDCCH is configured in orthogonal frequency division multiplexing OFDM symbol 1 and symbol 2.

[0028] According to another aspect of the present disclosure, a dynamic spectrum sharing device is provided, including:

[0029] The first position calculation module is used to calculate the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS according to the long-term evolution LTE physical cell identification code PCI obtained from the new air interface NR base station;

[0030] A second position determining module, configured to determine a second RE position corresponding to a new radio interface physical downlink control channel demodulation reference signal NR PDCCH DMRS according to the first RE position;

[0031] Interference monitoring module, used to monitor the interference situation of LTE CRS in neighboring cells according to a preset period;

[0032] A position adjustment module is used to adjust the second RE position corresponding to the NR PDCCH DMRS according to the interference situation.

[0033] According to another aspect of the present disclosure, there is provided an electronic device, including:

[0034] Processor; and

[0035] A memory, configured to store executable instructions of the processor;

[0036] The processor is configured to perform any one of the above-mentioned dynamic spectrum sharing methods by executing the executable instructions.

[0037] According to another aspect of the present disclosure, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the dynamic spectrum sharing method described in any one of the above is implemented.

[0038] A dynamic spectrum sharing method provided by an embodiment of the present disclosure first calculates the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS according to the long-term evolution physical cell identification code LTE PCI obtained from the new air interface NR base station; determines the second RE position corresponding to the new air interface physical downlink control channel demodulation reference signal NR PDCCHDMRS according to the first RE position; avoids collision with LTE CRS when configuring NR PDCCH DMRS. At the same time, monitor the interference situation of the neighboring LTE CRS according to a preset period; adjust the second RE position corresponding to the NR PDCCH DMRS according to the interference situation. The above method can be used to deal with the avoidance of PDCCH DMRS when there are two LTE cells with different CRS positions, obtain more accurate channel estimation, and improve the demodulation capability of NR PDCCH.

[0039] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification are used to explain the principles of the present disclosure. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0041] Figure 1 A schematic diagram showing resource configuration of an existing dynamic spectrum sharing method in one embodiment of the present disclosure is shown;

[0042] Figure 2 A schematic diagram of a dynamic spectrum sharing method according to an embodiment of the present disclosure is shown;

[0043] Figure 3 A schematic diagram showing resource configuration of a dynamic spectrum sharing method in one embodiment of the present disclosure is shown;

[0044] Figure 4 A schematic diagram showing resource configuration of a dynamic spectrum sharing method in another embodiment of the present disclosure is shown;

[0045] Figure 5 A schematic diagram of a dynamic spectrum sharing method judgment process in one embodiment of the present disclosure is shown;

[0046] Figure 6 A schematic diagram of a dynamic spectrum sharing device in one embodiment of the present disclosure is shown; and

[0047] Figure 7 A structural block diagram of an electronic device in an embodiment of the present disclosure is shown. DETAILED DESCRIPTION

[0048] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that the disclosure will be more comprehensive and complete and to fully convey the concepts of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0049] In addition, the accompanying drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the figures represent the same or similar parts, and their repeated description will be omitted. Some of the block diagrams shown in the accompanying drawings are functional entities and do not necessarily correspond to physically or logically independent entities. These functional entities can be implemented in software form, or implemented in one or more hardware modules or integrated circuits, or implemented in different networks and / or processor devices and / or microcontroller devices.

[0050] The solution provided in this application is about a dynamic spectrum sharing method. For ease of understanding, several terms involved in this application are first explained below.

[0051] Dynamic spectrum sharing is a technology that supports spectrum sharing based on traffic demand between 4G and 5G resources, can complete spectrum allocation very quickly, and provide the best performance for devices under available capacity. Through this technology, network operators can dynamically share spectrum between 4G and 5G, providing the possibility of a smooth transition from 4G to 5G. The key point of implementing dynamic spectrum sharing technology is to ensure that the reference signal of 5G NR and the reference signal of LTE do not conflict in the allocation of time and frequency resources.

[0052] RB is 12 consecutive subcarriers in frequency, RE is one subcarrier in frequency. One REG includes 4 consecutive unoccupied REs. REG is the resource unit for controlling channel resource allocation, which improves resource utilization efficiency and allocation flexibility.

[0053] NR involves a new wireless standard based on orthogonal frequency division multiplexing. 5GNR is a global 5G standard with a new air interface design based on OFDM.

[0054] In the related art, considering that the number of NR users is small in the early stage, NR PDCCH is configured in OFDM symbol 2 where there is no LTE CRS signal. However, with the gradual increase in the number of NR users, the NR PDCCH capacity of only one symbol is limited. Considering that the number of LTE users will gradually decrease, NR PDCCH is configured in OFDM (Orthogonal Frequency Division Multiplexing) symbol 1 at the same time to increase the capacity of NR PDCCH.

[0055] However, in the case of LTE with 4 ports, there will be an LTE CRS symbol in OFDM symbol 1. An LTE CRS is configured for every three REs (Resource Element), and an NR PDCCH DMRS (Demodulation Reference Signal) is configured for every four REs. Therefore, in each RB (Resource Block) and REG (Resource Element Group), no matter how they are arranged, there will be a problem of overlapping collision between LTE CRS and NR PDCCH DMRS, such as Figure 1 FIG. 1 is a schematic diagram showing resource configuration of an existing dynamic spectrum sharing method. Figure 1 As shown in FIG. 1 , an RB includes 12 REs in the frequency domain, for example, numbered RE0 to RE11 from bottom to top, and includes 14 orthogonal frequency division multiplexing symbols in the time domain, symbol 0 to symbol 13 from left to right. Figure 1 In the case where LTE CRS is 4 ports, the first OFDM symbol will have LTE CRS, and LTE CRS is configured once for every three REs, so LTE CRS130 occupies RE0, RE3, RE6 and RE9 respectively, and occupies symbol 0, symbol 1, symbol 4, symbol 7, symbol 8 and symbol 11. LETCRS130 can be sent by an LTE network device.

[0056] In OFDM symbol 1 and symbol 2, NR PDCCH 110 is configured, and one NR PDCCH DMRS 120 is configured for every four REs, such as Figure 1Distributed in RE0, RE4, and RE8. The remaining REs are occupied by NR PDCCH110, of which NR PDCCH DMRS120 demodulates NRPDCCH110. Since one LTE CRS130 is configured for every three REs and one NR PDCCH DMRS120 is configured for every four REs, no matter how each RB and each REG is arranged, if one REG includes 4 REs, there will be a problem of overlapping collision between LTE CRS and NRPDCCH DMRS. Figure 1 As shown in the figure, the position marked with 140 is the overlapping collision RE. Since both LTE CRS and NR PDCCH DMRS are pilot signals for channel estimation, if they overlap and collide with each other, interference will occur, thereby affecting channel estimation and demodulation. Therefore, when configuring NR PDCCH in OFDM symbol 1, the collision problem between LTE CRS and NR PDCCH DMRS needs to be solved.

[0057] The solution provided by the embodiment of the present application relates to a dynamic spectrum sharing technology. Below, each step of the dynamic spectrum sharing method in this example implementation will be described in more detail with reference to the accompanying drawings and embodiments.

[0058] Figure 2 A schematic diagram of a dynamic spectrum sharing method according to an embodiment of the present disclosure is shown. Figure 2 As shown, the dynamic spectrum sharing method in this embodiment includes:

[0059] S201, calculating a first RE position corresponding to an LTE CRS according to an LTE PCI obtained from an NR base station;

[0060] Specifically, firstly, the PCI (Physical cell identity) of the LTE cell is obtained from the NR base station side, and the location of the LTE CRS (downlink reference signal) is calculated by the LTE PCI, and the RE location of the LTE CRS310 signal is calculated, that is, the first resource element RE location, such as Figure 3 As shown, LTE CRS 310 occupies RE0, RE3, RE6 and RE9, and occupies symbol 0, symbol 1, symbol 4, symbol 7, symbol 8 and symbol 11 in the time domain.

[0061] S202, determining a second RE position corresponding to a NR PDCCH DMRS (new radio physical downlink control channel demodulation reference signal) according to the first RE position;

[0062] Then, NR PDCCH DMRS mapping is performed to avoid the location of CRS. Compared with the original mapping method of configuring one NR PDCCH DMRS for every four REs, the configuration method adopted in this embodiment is to configure one NR PDCCH DMRS for every six REs to avoid collision interference of LTE CRS symbols. Figure 3 As shown, NR PDCCH DMRS 320 occupies RE1 and RE8. Other REs are occupied by NR PDCCH 330.

[0063] S203, monitoring the interference situation of the LTE CRS in the neighboring cell according to a preset period;

[0064] Specifically, considering that there may be interference from LTE cells with different CRS positions in the cell edge area, there is a possibility that the second neighboring LTE CRS overlaps and collides with the PDCCH DMRS position. Therefore, it is necessary to monitor the neighboring LTE CRS, specifically according to a preset period, which can be pre-set according to the actual application scenario. Figure 4 As shown, when there is interference from neighboring cells, the neighboring cell LTE CRS is marked as 440, occupying RE1, RE4 and RE7. The NRPDCCH DMRS is 430, occupying RE2 and RE8, the LTE CRS is 420, occupying RE0, RE3, RE6 and RE9, and the NR PDCCH is 410, occupying the remaining REs.

[0065] S204: Adjust the second RE position corresponding to the NR PDCCH DMRS according to the interference situation.

[0066] Specifically, Figure 3 and Figure 4 For comparison, Figure 3 NR PDCCH DMRS320 occupies RE1 and RE8. Figure 4 Since the neighboring cell LTE CRS 440 appears, the position of the NR PDCCH DMRS 430 is adjusted to occupy RE2 and RE8, corresponding to the second RE position mentioned above. This avoids the generation of collision avoidance LTE CRS. This embodiment avoids the NR PDCCH DMRS when dealing with two LTE cells with different CRS positions, obtains more accurate channel estimation, and improves the demodulation capability of the NR PDCCH.

[0067] The above embodiment provides a dynamic spectrum sharing method, firstly, according to the long-term evolution physical cell identification code LTE PCI obtained from the new air interface NR base station, the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS is calculated; according to the first position, the second RE position corresponding to the new air interface physical downlink control channel demodulation reference signal NR PDCCH DMRS is determined; when configuring NR PDCCH DMRS, collision with LTE CRS is avoided. At the same time, the interference situation of the neighboring LTE CRS is monitored according to a preset period; and the second RE position corresponding to the NR PDCCH DMRS is adjusted according to the interference situation. The existing technology solves the overlapping interference between NR PDCCH DMRS and LTE CRS by punching PDCCH DMRS when the signals of both parties overlap and collide, but because the punching will cause the loss of pilot signals, it will cause inaccurate channel estimation and affect NR PDCCH demodulation. At the same time, if there are two LTE cells with different CRS positions, the number of NR PDCCH DMRS that need to be punched will be more, and the channel estimation will be worse.

[0068] The dynamic spectrum sharing method of this embodiment can effectively avoid the channel estimation loss caused by puncturing the PDCCH DMRS. At the same time, the above method can further cope with the avoidance of PDCCH DMRS when there are two LTE cells with different CRS positions, obtain more accurate channel estimation, and improve the demodulation capability of NR PDCCH.

[0069] like Figure 5 The figure shows a judgment block diagram of a dynamic spectrum sharing method. In the embodiment of the present disclosure, adjusting the second RE position corresponding to the NR PDCCH DMRS according to the interference situation includes:

[0070] Determine whether the interference value of the neighboring cell LTE CRS is greater than a preset threshold; if the interference value is greater than the preset threshold, determine whether the third RE position corresponding to the neighboring cell LTE CRS conflicts with the second RE position; if the third RE position conflicts with the second RE position, adjust the second RE position.

[0071] In the embodiment of the present disclosure, the method further includes: S503, if the interference value is less than or equal to a preset threshold, continuing to monitor the interference situation of the neighboring cell LTE CRS according to a preset period.

[0072] Specifically, Figure 5As shown, step S501 determines whether the interference value of the neighboring cell LTE CRS is greater than a preset threshold. If the interference value is less than or equal to the preset threshold, step S503 is executed. If the interference value is less than or equal to the preset threshold, the interference situation of the neighboring cell LTE CRS continues to be monitored according to the preset period.

[0073] If the interference value is greater than the preset threshold, step S502 is executed to determine whether the third RE position corresponding to the neighboring cell LTE CRS conflicts with the second RE position. Step S504 is executed to adjust the second RE position if the third RE position conflicts with the second RE position.

[0074] Combination Figure 5 In the embodiment of the present disclosure, the method further includes:

[0075] If the third RE position does not conflict with the second RE position, the interference situation of the neighboring cell LTE CRS continues to be monitored according to a preset period.

[0076] Specifically, if in step S502, it is determined that the third RE position does not conflict with the second RE position, step S505 is executed. If the third RE position does not conflict with the second RE position, the interference of the neighboring cell LTE CRS continues to be monitored according to the preset period.

[0077] This embodiment monitors the interference situation and timely adjusts the existing NR PDCCH DMRS mapping position to avoid PDCCH DMRS when there are two LTE cells with different CRS positions, obtains more accurate channel estimation, and improves the demodulation capability of NR PDCCH.

[0078] In the embodiment of the present disclosure, the specific adjustment method, if the third RE position conflicts with the second RE position, adjusting the second RE position includes:

[0079] Avoid the first RE position and the third RE position, and adjust the second RE position according to a preset rule, wherein the preset rule is to configure one NR PDCCH DMRS in every 6 REs.

[0080] Specifically, since one LTE CRS is configured for every three REs and one NR PDCCH DMRS is configured for every four REs, there will be a problem of overlapping and collision between LTE CRS and NR PDCCH DMRS no matter how they are arranged in each RB and REG.

[0081] Therefore, in order to solve the problem of overlap and collision between LTE CRS and NR PDCCH DMRS, this embodiment provides a new mapping method, such as Figure 3 and Figure 4 As shown, in Figure 3 In the example, NR PDCCH DMRS320 occupies RE1 and RE8. Figure 4 The position of NR PDCCH DMRS430 is adjusted to occupy RE2 and RE8, and a new DMRS mapping method is configured for every six REs. The method of this embodiment solves the problem of collision between LTE CRS and NR PDCCH DMRS, and the new DMRS mapping method can also be used in scenarios with limited NR capacity, saving the number of pilot symbols compared to the existing DMRS mapping method.

[0082] In one embodiment of the present disclosure, determining a second RE position corresponding to a new radio interface physical downlink control channel demodulation reference signal NR PDCCH DMRS according to the first position includes:

[0083] Avoid the first RE position, configure an NR PDCCH DMRS in every 6 REs, and determine the second RE position corresponding to the NR PDCCH DMRS.

[0084] Specifically, combined Figure 3 and Figure 4 To explain, Figure 3 NR PDCCH DMRS320 occupies RE1 and RE8. Figure 4 Since the neighboring cell LTE CRS 440 appears, the position of the NR PDCCH DMRS 430 is adjusted to occupy RE2 and RE8. This avoids the generation of collision avoidance LTE CRS. When configuring and adjusting the position of the NR PDCCH DMRS, the rule of configuring one NR PDCCH DMRS in every 6 REs is followed.

[0085] This embodiment avoids NR PDCCH DMRS when dealing with two LTE cells with different CRS positions, obtains more accurate channel estimation, and improves the demodulation capability of NR PDCCH. By configuring the new DMRS mapping method of NR PDCCH DMRS in this embodiment, non-overlapping staggered configuration with LTE CRS in different positions of two cells can be achieved.

[0086] In one embodiment of the present disclosure, one LTE CRS is configured for every three REs; and a new radio interface physical downlink control channel NR PDCCH is configured in orthogonal frequency division multiplexing OFDM symbol 1 and symbol 2.

[0087] Specifically, in this embodiment, for example, Figure 3 and Figure 4As shown in the figure, one LTE CRS is configured for every three REs, corresponding to the case where LTE has four ports. Figure 3 and Figure 4 In the example, NR PDCCH is configured in OFDM symbol 1 and symbol 2. As the number of NR users gradually increases, the NR PDCCH capacity of only one symbol is limited. Consider configuring NR PDCCH in OFDM symbol 1 at the same time to increase the NR PDCCH capacity. The above configuration can increase the NR PDCCH capacity.

[0088] like Figure 6 FIG. 1 is a schematic diagram of a structure of a dynamic spectrum sharing device. In another embodiment of the present disclosure, a dynamic spectrum sharing device 600 is provided, including:

[0089] The first position calculation module 601 is used to calculate the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS according to the long-term evolution LTE physical cell identification code PCI obtained from the new radio interface NR base station;

[0090] A second position determining module 602 is configured to determine a second RE position corresponding to a new radio interface physical downlink control channel demodulation reference signal NR PDCCH DMRS according to the first RE position;

[0091] The interference monitoring module 603 is used to monitor the interference situation of the neighboring LTE CRS according to a preset period;

[0092] The position adjustment module 604 is used to adjust the second RE position corresponding to the NR PDCCH DMRS according to the interference situation.

[0093] Specifically, the dynamic spectrum sharing device 600 provided in this embodiment, through a first position calculation module 601, a second position determination module 602, an interference monitoring module 603 and a position adjustment module 604, can deal with the avoidance of PDCCH DMRS when there are two LTE cells with different CRS positions, avoid signal overlap, obtain more accurate channel estimation, and improve the demodulation capability of NR PDCCH.

[0094] In yet another embodiment of the present disclosure, an electronic device is provided, including:

[0095] Processor; and

[0096] A memory, configured to store executable instructions of the processor;

[0097] The processor is configured to perform any one of the above-mentioned dynamic spectrum sharing methods by executing the executable instructions.

[0098] This embodiment provides an electronic device, which implements the above-mentioned dynamic spectrum sharing method through a processor, which will not be described in detail here.

[0099] It will be appreciated by those skilled in the art that various aspects of the present invention may be implemented as a system, method or program product. Therefore, various aspects of the present invention may be specifically implemented in the following forms, namely: a complete hardware implementation, a complete software implementation (including firmware, microcode, etc.), or a combination of hardware and software, which may be collectively referred to herein as a "circuit", "module" or "system".

[0100] Refer to the following Figure 7 An electronic device 700 according to this embodiment of the present invention will be described. Figure 7 The electronic device 700 shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present invention.

[0101] like Figure 7 As shown, the electronic device 700 is in the form of a general computing device. The components of the electronic device 700 may include but are not limited to: at least one processing unit 710, at least one storage unit 720, and a bus 730 connecting different system components (including the storage unit 720 and the processing unit 710).

[0102] The storage unit stores program codes, which can be executed by the processing unit 710, so that the processing unit 710 performs the steps according to various exemplary embodiments of the present invention described in the above “Exemplary Method” section of this specification. For example, the processing unit 710 can perform the following steps: Figure 2 As shown in S201, the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS is calculated according to the long-term evolution physical cell identification code LTE PCI obtained from the new air interface NR base station; S202, according to the first RE position, the second RE position corresponding to the new air interface physical downlink control channel demodulation reference signal NR PDCCH DMRS is determined; S203, the interference situation of the neighboring cell LTE CRS is monitored according to a preset period; S204, the second RE position corresponding to the NR PDCCH DMRS is adjusted according to the interference situation.

[0103] The storage unit 720 may include a readable medium in the form of a volatile storage unit, such as a random access storage unit (RAM) 7201 and / or a cache storage unit 7202 , and may further include a read-only storage unit (ROM) 7203 .

[0104] The storage unit 720 may also include a program / utility 7204 having a set (at least one) of program modules 7205, such program modules 7205 including but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which or some combination may include an implementation of a network environment.

[0105] Bus 730 may represent one or more of several types of bus structures, including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

[0106] The electronic device 700 may also communicate with one or more external devices 800 (e.g., keyboards, pointing devices, Bluetooth devices, etc.), may also communicate with one or more devices that enable a user to interact with the electronic device 700, and / or communicate with any device that enables the electronic device 700 to communicate with one or more other computing devices (e.g., routers, modems, etc.). Such communication may be performed via an input / output (I / O) interface 750. Furthermore, the electronic device 700 may also communicate with one or more networks (e.g., local area networks (LANs), wide area networks (WANs), and / or public networks, such as the Internet) via a network adapter 760. As shown, the network adapter 760 communicates with other modules of the electronic device 700 via a bus 730. It should be understood that, although not shown in the figure, other hardware and / or software modules may be used in conjunction with the electronic device 700, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, etc.

[0107] Through the description of the above implementation, it is easy for those skilled in the art to understand that the example implementation described here can be implemented by software, or by software combined with necessary hardware. Therefore, the technical solution according to the implementation of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network, including several instructions to enable a computing device (which can be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the implementation of the present disclosure.

[0108] In yet another embodiment of the present disclosure, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the dynamic spectrum sharing method described in any one of the above is implemented.

[0109] Specifically, this embodiment provides a computer-readable storage medium, and a processor executes a computer program to implement the above dynamic spectrum sharing method, which will not be described in detail here.

[0110] In an exemplary embodiment of the present disclosure, a computer-readable storage medium is also provided, on which a program product capable of implementing the above method of the present specification is stored. In some possible implementations, various aspects of the present invention can also be implemented in the form of a program product, which includes a program code, and when the program product is run on a terminal device, the program code is used to enable the terminal device to execute the steps according to various exemplary embodiments of the present invention described in the above "Exemplary Method" section of the present specification.

[0111] A program product for implementing the above method according to an embodiment of the present invention is described, which can adopt a portable compact disk read-only memory (CD-ROM) and include program code, and can be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited thereto, and in this document, a readable storage medium can be any tangible medium containing or storing a program, which can be used by or in combination with an instruction execution system, an apparatus or a device.

[0112] The program product may use any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples (non-exhaustive list) of readable storage media include: an electrical connection with one or more wires, a portable disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above.

[0113] Computer readable signal media may include data signals propagated in baseband or as part of a carrier wave, in which readable program code is carried. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. Readable signal media may also be any readable medium other than a readable storage medium, which may send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device.

[0114] The program code embodied on the readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the foregoing.

[0115] Program code for performing the operations of the present invention may be written in any combination of one or more programming languages, including object-oriented programming languages ​​such as Java, C++, etc., and conventional procedural programming languages ​​such as "C" or similar programming languages. The program code may be executed entirely on the user computing device, partially on the user device, as a separate software package, partially on the user computing device and partially on a remote computing device, or entirely on a remote computing device or server. In cases involving a remote computing device, the remote computing device may be connected to the user computing device through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computing device (e.g., through the Internet using an Internet service provider).

[0116] It should be noted that, although several modules or units of the device for action execution are mentioned in the above detailed description, this division is not mandatory. In fact, according to the embodiments of the present disclosure, the features and functions of two or more modules or units described above can be embodied in one module or unit. On the contrary, the features and functions of one module or unit described above can be further divided into multiple modules or units to be embodied.

[0117] In addition, although the steps of the method in the present disclosure are described in a specific order in the drawings, this does not require or imply that the steps must be performed in this specific order, or that all the steps shown must be performed to achieve the desired results. Additionally or alternatively, some steps may be omitted, multiple steps may be combined into one step, and / or one step may be decomposed into multiple steps, etc.

[0118] Through the description of the above implementation, it is easy for those skilled in the art to understand that the example implementation described here can be implemented by software, or by software combined with necessary hardware. Therefore, the technical solution according to the implementation of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network, including several instructions to enable a computing device (which can be a personal computer, a server, a mobile terminal, or a network device, etc.) to execute the method according to the implementation of the present disclosure.

[0119] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, which follows the general principles of the present disclosure and includes common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present disclosure are indicated by the appended claims.

Claims

1. A dynamic spectrum sharing method, characterized in that: include: Calculate the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS according to the long-term evolution physical cell identity code LTE PCI obtained from the new radio interface NR base station; Determining a second RE position corresponding to a new air interface physical downlink control channel demodulation reference signal NR PDCCH DMRS according to the first RE position, including: avoiding the first RE position, configuring one NR PDCCH DMRS in every 6 REs, and determining a second RE position corresponding to the NR PDCCH DMRS; Monitor the interference of LTE CRS in neighboring cells according to the preset period; Adjusting a second RE position corresponding to the NR PDCCH DMRS according to the interference situation; One LTE CRS is configured for every 3 REs; the new radio interface physical downlink control channel NR PDCCH is configured in orthogonal frequency division multiplexing OFDM symbol 1 and symbol 2.

2. The dynamic spectrum sharing method according to claim 1, characterized in that: The adjusting, according to the interference situation, a second RE position corresponding to the NR PDCCH DMRS includes: Determine whether the interference value of the neighboring cell LTE CRS is greater than a preset threshold; If the interference value is greater than a preset threshold, determining whether a third RE position corresponding to the neighboring cell LTE CRS conflicts with the second RE position; If the third RE position conflicts with the second RE position, the second RE position is adjusted.

3. The dynamic spectrum sharing method according to claim 2, characterized in that: If the third RE position conflicts with the second RE position, adjusting the second RE position includes: Avoid the first RE position and the third RE position, and adjust the second RE position according to a preset rule, wherein the preset rule is to configure one NR PDCCH DMRS in every 6 REs.

4. The dynamic spectrum sharing method according to claim 2, characterized in that: The method further comprises: If the interference value is less than the preset threshold, the interference situation of the neighboring cell LTE CRS continues to be monitored according to the preset period.

5. The dynamic spectrum sharing method according to claim 2, characterized in that: The method further comprises: If the third RE position does not conflict with the second RE position, the interference situation of the neighboring cell LTE CRS continues to be monitored according to a preset period.

6. A dynamic spectrum sharing device, characterized in that: include: The first position calculation module is used to calculate the first resource element RE position corresponding to the long-term evolution cell reference signal LTE CRS according to the long-term evolution LTE physical cell identification code PCI obtained from the new air interface NR base station; A second position determining module, configured to determine a second RE position corresponding to a new radio interface physical downlink control channel demodulation reference signal NR PDCCH DMRS according to the first position; Interference monitoring module, used to monitor the interference situation of LTE CRS in neighboring cells according to a preset period; A position adjustment module, configured to adjust the second RE position corresponding to the NR PDCCH DMRS according to the interference situation, including: avoiding the first RE position, configuring one NR PDCCH DMRS in every 6 REs, and determining the second RE position corresponding to the NR PDCCH DMRS; One LTE CRS is configured for every 3 REs; the new radio interface physical downlink control channel NR PDCCH is configured in orthogonal frequency division multiplexing OFDM symbol 1 and symbol 2.

7. An electronic device, characterized in that: include: processor; as well as A memory, configured to store executable instructions of the processor; The processor is configured to execute the dynamic spectrum sharing method according to any one of claims 1 to 5 by executing the executable instructions.

8. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the dynamic spectrum sharing method according to any one of claims 1 to 5 is implemented.

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