CN117255350A - Spectrum resource scheduling method and device, electronic equipment and storage medium - Google Patents
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Abstract
The disclosure provides a spectrum resource scheduling method, a device, electronic equipment and a storage medium, and relates to the technical field of communication. The method comprises the following steps: determining spectrum information of a second signal, wherein the second signal is an interference signal with the first signal in frequency interference; according to the spectrum information of the second signal, bandwidth guard band configuration information of the first signal is determined, wherein the bandwidth guard band configuration information comprises: a frequency range of the bandwidth guard band; and scheduling the frequency spectrum resource blocks for transmitting the first signal according to the frequency range of the bandwidth guard band. The method and the device realize the goal of flexibly configuring bandwidth guard bands and scheduling spectrum resource blocks, improve the spectrum utilization efficiency of a system and reduce the influence of interference signals on useful signals.
Description
Technical Field
The disclosure relates to the technical field of communication, and in particular relates to a method and a device for scheduling spectrum resources, electronic equipment and a storage medium.
Background
The current network development is rapid, and the large bandwidth also becomes a focus of attention and pursuit goal in the communication field, and has the characteristics of good experience, strong safety, high stability and the like. The Guard Band (GB) is located at the edge of the channel, and cannot be used for signal transmission, and the purpose of the Guard Band is to isolate signal interference, and ensure that the system cannot cause signal interference to other adjacent systems. The 3GPP protocol also specifies requirements for bandwidth guard bands for different systems and different bandwidths. But the roles they play are also very different in the case of different levels of interference scenarios. If some scene interference is not serious, the bandwidth guard band has no obvious function, but the bandwidth guard band cannot be configured with useful signals, which causes certain spectrum resource waste.
Therefore, how to solve the problem of spectrum resource waste caused by the above situation is a technical problem to be solved.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The disclosure provides a spectrum resource scheduling method, a device, an electronic device and a storage medium, which at least overcome the problem of spectrum resource waste caused by related technologies to a certain extent.
Other features and advantages of the present disclosure will be apparent from the following detailed description, or may be learned in part by the practice of the disclosure.
According to one aspect of the present disclosure, there is provided a spectrum resource scheduling method, including: determining spectrum information of a second signal, wherein the second signal is an interference signal with the first signal in frequency interference; according to the spectrum information of the second signal, bandwidth guard band configuration information of the first signal is determined, wherein the bandwidth guard band configuration information comprises: a frequency range of the bandwidth guard band; and scheduling the frequency spectrum resource blocks for transmitting the first signal according to the frequency range of the bandwidth guard band.
In some embodiments, determining bandwidth guard band configuration information for the first signal based on spectral information of the second signal includes: determining a lower frequency point of the second signal according to the frequency spectrum information of the second signal; if the lower frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the lower frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the upper frequency point of the first frequency spectrum bandwidth.
In some embodiments, determining bandwidth guard band configuration information for the first signal based on spectral information of the second signal includes: determining a top frequency point of the second signal according to the frequency spectrum information of the second signal; if the upper frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the upper frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the lower frequency point of the first frequency spectrum bandwidth.
In some embodiments, determining spectral information of the second signal comprises: acquiring scheduling information of a frequency spectrum resource block for transmitting a first signal, wherein the scheduling information of the frequency spectrum resource block is used for representing scheduling conditions of the frequency spectrum resource block for transmitting the first signal; judging whether the frequency spectrum resource block for transmitting the first signal is full or not according to the scheduling information of the frequency spectrum resource block; if the frequency spectrum resource block for transmitting the first signal is not full, determining the frequency spectrum information of the second signal.
In some embodiments, determining spectral information of the second signal comprises: transmitting an interference measurement reference signal for measuring an interference signal having frequency interference to the first signal; and determining the frequency spectrum information of the second signal with frequency interference to the first signal according to the interference measurement reference signal.
In some embodiments, the interference measurement reference signal is a CSI-IM channel state information interference measurement reference signal.
In some embodiments, the frequency range of the bandwidth guard band includes a starting frequency of the bandwidth guard band.
According to another aspect of the present disclosure, there is also provided a spectrum resource scheduling apparatus, including: the frequency spectrum information determining module is used for determining frequency spectrum information of a second signal, wherein the second signal is an interference signal with frequency interference of the first signal; the bandwidth guard band configuration module is configured to determine bandwidth guard band configuration information of the first signal according to spectrum information of the second signal, where the bandwidth guard band configuration information includes: a frequency range of the bandwidth guard band; and the spectrum resource block scheduling module is used for scheduling the spectrum resource block for transmitting the first signal according to the frequency range of the bandwidth guard band.
According to another aspect of the present disclosure, there is also provided an electronic device including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to perform the spectrum resource scheduling method of any of the above via execution of the executable instructions.
According to another aspect of the present disclosure, there is also provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the spectrum resource scheduling method of any one of the above.
According to another aspect of the present disclosure, there is also provided a computer program product comprising a computer program which, when executed by a processor, implements the spectrum resource scheduling method of any one of the above.
According to the spectrum resource scheduling method, the device, the electronic equipment and the storage medium, the bandwidth guard band configuration information of the first signal is determined by determining the spectrum information of the second signal with frequency interference with the first signal, the bandwidth guard band of the first signal is flexibly configured, the size and the position of the bandwidth guard band are dynamically adjusted, and the influence of the interference signal on the useful signal is reduced. According to the frequency range of the bandwidth guard band, the scheduling of the frequency spectrum resource block for transmitting the first signal is performed, so that the first signal can be ensured to effectively utilize the available frequency spectrum resource on the premise of avoiding interference. The method realizes the goal of flexibly configuring bandwidth guard bands and scheduling spectrum resource blocks, improves the spectrum utilization efficiency of the system, and reduces the influence of interference signals on useful signals.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.
FIG. 1 shows a schematic diagram of a system architecture in an embodiment of the present disclosure;
FIG. 2 illustrates a schematic diagram of a bandwidth guard band in an embodiment of the present disclosure;
FIG. 3 illustrates an exemplary application system architecture diagram in an embodiment of the present disclosure;
FIG. 4 is a flowchart of a method for scheduling spectrum resources in an embodiment of the disclosure;
FIG. 5 illustrates a flowchart of yet another spectrum resource scheduling method in an embodiment of the present disclosure;
FIG. 6 illustrates a flowchart of yet another spectrum resource scheduling method in an embodiment of the present disclosure;
FIG. 7 is a schematic diagram showing an implementation of an embodiment of the present disclosure;
Fig. 8 is a schematic diagram of a spectrum resource scheduling apparatus in an embodiment of the disclosure;
FIG. 9 shows a block diagram of an electronic device in an embodiment of the disclosure;
fig. 10 shows a schematic diagram of a computer-readable storage medium in an embodiment of the disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept 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.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or integrated circuits or in different networks and/or processor devices and/or microcontroller devices.
As mentioned in the foregoing background, bandwidth guard bands have become an important means for securing communication quality and reducing interference as networks develop and demand for large bandwidths continues to increase. However, in some cases, the fixed configuration of the bandwidth guard bands may result in waste of part of the spectrum resources.
The following detailed description of embodiments of the present disclosure refers to the accompanying drawings.
Fig. 1 shows a schematic diagram of a system architecture to which embodiments of the present disclosure are applied. As shown in fig. 1, the system architecture may include a first base station 101 and a second base station 102, where the first base station 101 and the second base station 102 are adjacent, and a downlink signal of the first base station 101 may interfere with an uplink signal of the adjacent second base station 102, or an uplink signal of the first base station 101 may interfere with a downlink signal of the adjacent second base station 102, so as to avoid generating the adjacent signal interference as described above, and in the related art, an isolated signal is used by using a bandwidth protection band as shown in fig. 2. As shown in fig. 2, a bandwidth guard band 201 is located at the edge of a channel, and the bandwidth guard band is a spectrum bandwidth that is not available for signal transmission, and the guard band specified by the current protocol requires software to be configured as a fixed value.
In less interfering environments, a portion of the bandwidth guard band may be underutilized. If the number of spectrum resource blocks in the useful bandwidth part is not fully allocated, the redundant part of the bandwidth guard band can not transmit useful signals, so that resources are wasted. In short, the bandwidth guard band may be set relatively conservatively with less interference and less interference between adjacent systems, and only a relatively small guard band may be set. However, according to the current protocol, the width of the bandwidth guard band is fixed, and cannot be flexibly adjusted according to actual requirements, so that the guard band resource may not be fully utilized.
To solve this problem, the embodiments of the present disclosure provide a spectrum resource scheduling method, adaptively adjust and configure a bandwidth guard band, and reasonably configure the width of the bandwidth guard band according to actual interference situations and demand changes. Therefore, the available spectrum resources can be fully utilized, the waste of guard band resources is avoided, and the spectrum utilization efficiency is improved.
Fig. 3 shows a schematic diagram of an exemplary application system architecture to which the spectrum resource scheduling method of the embodiments of the present disclosure may be applied. As shown in fig. 3, the system architecture may include a terminal device 301, a network 302, and a server 303.
The network 302 may be a wired network or a wireless network, and is a medium for providing a communication link between the terminal device 301 and the server 303.
Alternatively, the wireless network or wired network described above uses standard communication techniques and/or protocols. The network is typically the Internet, but may be any network including, but not limited to, a local area network (Local Area Network, LAN), metropolitan area network (Metropolitan Area Network, MAN), wide area network (Wide Area Network, WAN), mobile, wired or wireless network, private network, or any combination of virtual private networks. In some embodiments, data exchanged over a network is represented using techniques and/or formats including HyperText Mark-up Language (HTML), extensible markup Language (Extensible MarkupLanguage, XML), and the like. All or some of the links may also be encrypted using conventional encryption techniques such as secure sockets layer (Secure Socket Layer, SSL), transport layer security (Transport Layer Security, TLS), virtual private network (Virtual Private Network, VPN), internet security protocol (Internet Protocol Security, IPSec), etc. In other embodiments, custom and/or dedicated data communication techniques may also be used in place of or in addition to the data communication techniques described above.
Terminal device 301 may be a variety of electronic devices including, but not limited to, smart phones, tablet computers, laptop portable computers, desktop computers, smart speakers, smart watches, wearable devices, augmented reality devices, virtual reality devices, and the like.
Alternatively, the clients of the applications installed in different terminal devices 301 are the same or clients of the same type of application based on different operating systems. The specific form of the application client may also be different based on the different terminal platforms, for example, the application client may be a mobile phone client, a PC client, etc.
The server 303 may be a server providing various services, such as a background management server providing support for devices operated by the user with the terminal device 301. The background management server can analyze and process the received data such as the request and the like, and feed back the processing result to the terminal equipment.
Optionally, the server may be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server providing cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, CDNs (Content Delivery Network, content delivery networks), basic cloud computing services such as big data and artificial intelligence platforms, and the like.
Those skilled in the art will appreciate that the number of terminal devices, networks, and servers in fig. 3 is merely illustrative, and that any number of terminal devices, networks, and servers may be provided as desired. The embodiments of the present disclosure are not limited in this regard.
Under the system architecture, the embodiment of the disclosure provides a spectrum resource scheduling method, which can be executed by any electronic device with computing processing capability.
In some embodiments, the spectrum resource scheduling method provided in the embodiments of the present disclosure may be performed by a terminal device of the above system architecture; in other embodiments, the spectrum resource scheduling method provided in the embodiments of the present disclosure may be performed by a server in the system architecture described above; in other embodiments, the spectrum resource scheduling method provided in the embodiments of the present disclosure may be implemented by the terminal device and the server in the system architecture in an interactive manner.
Fig. 4 shows a flowchart of a spectrum resource scheduling method in an embodiment of the present disclosure, and as shown in fig. 4, the spectrum resource scheduling method provided in the embodiment of the present disclosure includes the following steps:
s402, determining frequency spectrum information of a second signal, wherein the second signal is an interference signal with the first signal in frequency interference.
It should be noted that, the first signal in the embodiment of the disclosure may be any signal; the second signal may be any one or more signals that have frequency interference with the first signal. The "first" and "second" in the embodiments of the present disclosure are used only to visually distinguish any two signals that are present as interference. Specifically, a first signal sent by a base station cell system and a second signal sent by an adjacent base station cell system are taken as examples, and frequency interference exists between the first signal and the second signal in signal transmission. The frequency interference (Frequency Interference) refers to a phenomenon that signal quality is degraded or communication performance is impaired due to overlapping of frequency spaces or mutual interference between different signals in wireless communication. When two or more signals are transmitted simultaneously in the same frequency range, they may interfere with each other, causing degradation of communication quality or interruption of connection.
The spectrum information of the second signal may be any spectrum information of the second signal, and the spectrum information may be information indicating a frequency characteristic of another signal having frequency interference with the first signal. In particular, a frequency range of the second signal may be included. By determining the frequency spectrum information of the second signal, the interference condition of the second signal and the first signal on the frequency can be better known, so that the frequency interference between the second signal and the first signal can be reduced by adopting corresponding measures subsequently, and the communication quality and reliability are improved.
S404, determining bandwidth guard band configuration information of the first signal according to the frequency spectrum information of the second signal, wherein the bandwidth guard band configuration information comprises: the frequency range of the bandwidth guard band.
It should be noted that, the spectrum information of the second signal may provide information about the interference degree of the second signal on the first signal, and the bandwidth guard band configuration information of the first signal is determined according to the information about the interference degree, so as to implement flexible configuration of the bandwidth guard band of the first signal.
The configuration information of the bandwidth guard band includes a frequency range and other relevant parameters for isolating and protecting the first signal from interference. The frequency range of the bandwidth guard band includes a starting frequency of the bandwidth guard band. The starting frequency of the bandwidth guard band refers to the frequency position at which the bandwidth guard band starts. By configuring the starting frequency of the bandwidth guard band, the frequency range occupied by the bandwidth guard band can be determined. The frequency range of the bandwidth guard band is typically configured by the starting frequency and the width of the bandwidth guard band. According to the interference degree of the second signal to the first signal, the bandwidth guard band of the first signal can be flexibly configured according to the requirement and the planning result. When the interference level of the second signal is high, a wider bandwidth guard band can be selected to provide greater isolation and protection, ensuring the quality and reliability of the first signal. Conversely, when the interference degree of the second signal is lower, a narrower bandwidth guard band can be selected to improve the spectrum utilization efficiency.
Specifically, determining bandwidth guard band configuration information of the first signal according to spectrum information of the second signal may include the following two cases:
in the first case, determining a lower frequency point of the second signal according to the frequency spectrum information of the second signal;
if the lower frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the lower frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the upper frequency point of the first frequency spectrum bandwidth.
In the second case, determining a top frequency point of the second signal according to the frequency spectrum information of the second signal;
if the upper frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the upper frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the lower frequency point of the first frequency spectrum bandwidth.
In addition, since the frequency range of the second signal is substantially different from the frequency range of the first signal, the first case is a case where the frequency range of the second signal is higher than the frequency range of the first signal, and in this case, there is frequency interference between the lower frequency point of the second signal and the first signal, so the lower frequency point of the second signal is acquired. When the frequency range of the second signal is lower than that of the first signal, the second situation is the second situation, and at this time, the upper frequency point of the second signal has frequency interference with the first signal, so the upper frequency point of the second signal is acquired.
If the lower frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the lower frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the upper frequency point of the first frequency spectrum bandwidth. The first spectral bandwidth refers to the spectral width range used by the first signal, which represents the frequency range occupied in the transmission of the first signal. And a bandwidth guard band of the first spectrum bandwidth is configured on one side of a frequency point on the upper side of the first spectrum bandwidth, so that interference protection of the first signal is realized, and a spectrum resource block for transmitting the first signal is configured on one side of a frequency point on the lower side of the first spectrum bandwidth, so that spectrum resources are effectively utilized. Similarly, if the upper frequency point of the second signal and the first signal have frequency interference, a spectrum resource block for transmitting the first signal is configured at one side of the upper frequency point of the first spectrum bandwidth, so that spectrum resources are effectively utilized, and a bandwidth guard band of the first spectrum bandwidth is configured at one side of the lower frequency point of the first spectrum bandwidth, thereby preventing signal interference.
S406, according to the frequency range of the bandwidth guard band, the frequency spectrum resource block for transmitting the first signal is scheduled.
And scheduling the frequency spectrum resource of the first signal based on the frequency range of the bandwidth guard band to ensure that the frequency spectrum resource of the first signal does not overlap with the frequency of the second signal sent by the adjacent base station. Specifically, the spectrum resource block for transmitting the first signal may be scheduled in a frequency of a non-bandwidth guard band on the spectrum bandwidth of the first signal, for example, when the lower frequency point of the second signal has frequency interference with the first signal, in order to protect the transmission of the first signal, the bandwidth guard band may be configured on the side of the upper frequency point of the spectrum bandwidth of the first signal. The bandwidth guard band is a spectrum range that is not occupied by the transmission signal and is used to isolate and protect the transmission signal. Scheduling the transmission of the spectrum resource block of the first signal means configuring the spectrum resource block for transmitting the first signal at a side of a lower frequency point of the spectrum bandwidth of the first signal. Through reasonable scheduling and configuration, transmission spectrum resources of the first signal and bandwidth guard bands are mutually isolated, so that the first signal is protected from frequency interference.
According to the flexible configuration of the bandwidth guard band and the scheduling of the spectrum resource blocks, the utilization rate of the first signal in the spectrum resource can be improved, and certain protection measures are provided to reduce the interference with the second signal.
In some embodiments of the present disclosure, as shown in fig. 5, determining the spectrum information of the second signal further includes the steps of:
s502, acquiring scheduling information of a frequency spectrum resource block for transmitting a first signal, wherein the scheduling information of the frequency spectrum resource block is used for representing scheduling conditions of the frequency spectrum resource block for transmitting the first signal;
s504, judging whether the frequency spectrum resource block for transmitting the first signal is full or not according to the scheduling information of the frequency spectrum resource block;
s506, if the frequency spectrum resource block for transmitting the first signal is not fully adjusted, determining the frequency spectrum information of the second signal.
In determining the spectrum information of the second signal, it is also necessary to know the scheduling information of the spectrum resource block transmitting the first signal, so as to determine whether there are any available spectrum resource blocks for scheduling spectrum resources.
The scheduling information of the frequency spectrum resource blocks for transmitting the first signal records the scheduling condition of the frequency spectrum resource blocks used for transmitting the first signal, and the scheduling information comprises the allocated frequency spectrum resource blocks and the corresponding position, frequency range, bandwidth and the like. By analyzing whether the allocated spectrum resource blocks occupy available spectrum resources, whether free spectrum resource blocks are available for scheduling is determined. If the spectrum resource block of the first signal is not fully adjusted, that is, a spare spectrum resource block exists, at the moment, spectrum information of the second signal is determined, and the following bandwidth guard band configuration process and spectrum resource block scheduling process are completed.
In some embodiments of the present disclosure, as shown in fig. 6, determining the spectrum information of the second signal further includes the steps of:
s602, transmitting an interference measurement reference signal, wherein the interference measurement reference signal is used for measuring an interference signal with frequency interference to a first signal;
s604, determining the frequency spectrum information of the second signal with frequency interference to the first signal according to the interference measurement reference signal.
It should be noted that, specifically, the spectrum information of the second signal may be measured by an interference measurement reference signal, which is a signal for measuring an interference signal that may have frequency interference with the first signal. By transmitting such reference signals, potentially interfering signals may be detected in a particular frequency range. This helps to provide a measurement reference to the interference situation to which the first signal is subjected. By analyzing the received interference measurement reference signal, it can be determined which spectral regions are in which frequency interference to the first signal is present. In this way, the spectral information of the second signal can be determined, including the frequency range of the interfering signal and other relevant parameters.
Through the above steps, it is possible to detect frequency interference that may exist on the first signal using the interference measurement reference signal, and to determine spectral information of the second signal according to the measurement result. Specifically, the interference measurement reference signal is a CSI-IM (Channel State Information-Interference Measurement) channel state information interference measurement reference signal. CSI-IM is a reference signal used to measure the interference signal versus channel state information. In 5G and other wireless communication systems, CSI-IM refers to using channel state information (Channel State Information) to measure the extent to which interfering signals affect normal signals. In the interference measurement it may provide an impact on the interference signals and the potential impact these interference signals may have on the performance of the communication system.
Specifically, the spectral information of the second signal having frequency interference to the first signal is determined by performing interference measurement through the CSI-IM. A particular type of CSI-IM interference measurement reference signal is first transmitted, and the CSI-IM reference signal is transmitted in a particular frequency range to measure a second signal that may have frequency interference with the first signal. The fed back CSI-IM reference signal is received and analyzed. By analyzing the variations and characteristics of the signals, the intensity and frequency characteristics of the interfering signal can be estimated, and the spectral information of the second signal, which may have frequency interference with the first signal, can be determined. By using CSI-IM for interference measurements, the spectral information of the second signal can be better understood.
In the embodiment of the present disclosure, in order to conveniently describe the technical details of the embodiment, taking a downlink bandwidth of 10M NR as an example, the 10M NR has 52 RBs (Resource blocks), each RB occupies 180kHz, and 52 RBs occupy 9.36M bandwidth, so that a guard band of 0.64M is required, and if two sides are symmetrical, a guard band of 320kHz is required at each of left and right edges. Fig. 7 discloses a specific spectrum resource scheduling implementation process diagram, and as shown in fig. 7, the spectrum resource scheduling implementation process includes:
S702, the network side judges the scheduling condition of the frequency spectrum Resource Block (RB), if all RBs are fully scheduled, the flow is directly ended;
s704, if the RB is not fully adjusted, a newly added interference signal sampling processing module measures interference from adjacent cells in real time through a CSI-IM reference signal;
s706, determining the spectrum bandwidth of the interference signal through detection, processing and calculation of the spectrum of the interference signal, for example, the lower edge frequency of the bandwidth is f;
s708, if the edge frequency f of the spectrum bandwidth of the interference signal is within the bandwidth guard band of the system, the left side of the bandwidth guard band of the system can be correspondingly determined to be configurable to the frequency f, the left side of the f frequency point is configured with a scheduling part RB to send useful signals, and the right side of the f frequency point is configured with the guard band.
And S710, finally completing configuration of the guard bands in terms of software, configuring the lengths of the guard bands according to different requirements and different interference conditions, realizing maximization of the useful signals which can be sent by the pass bands, and improving the spectrum utilization rate.
It should be explained that the above-mentioned newly added interference signal sampling processing module can obtain and measure the interference from the neighboring cell system in real time. When the interference from the neighbor cell system needs to be obtained and measured in real time, the system performance can be further optimized by introducing a new interference signal sampling processing module. The module mainly uses CSI-IM (Channel State Information-Interference Measurement, channel state information) reference signals to measure interference situations of neighboring cells, in particular interference of CRS (Cell-specific Reference Signal, cell reference signals) in LTE (Long Term Evolution ).
In implementations, CSI-IM mode 0 is used to acquire LTE CRS interference, as well as other interference. To ensure alignment with discrete reception (Discontinuous Reception, DRX), both CSI-IM and NZP (non-zero power) CSI-RS resources are placed in the MSG2 transmission reserved slots. The purpose of this is to ensure that no other data transmission takes place in this area while preserving the resources required for CSI-IM measurements.
Specifically, the ZP (zero power) CSI-RS in this module reserves some Resource Elements (REs) so that no data transmission is performed in the area set aside for CSI-IM measurements. This ensures that the interference signal is not affected by other data transmissions when measured. At the same time, rate matching is performed to transmit data over a smaller amount of available resources.
In order to better manage these functions, each function has an independent urgent activity tag in the interfering signal sampling processing module for urgent processing and optimal configuration.
By adding the interference signal sampling processing module, the system can acquire and measure the interference signals from the neighbor cell system in real time. Therefore, the interference condition can be accurately measured, the system resource allocation can be optimized, the spectrum utilization rate can be improved, and the user experience can be improved.
Based on the same inventive concept, the embodiments of the present disclosure also provide a spectrum resource scheduling apparatus, as described in the following embodiments. Since the principle of solving the problem of the embodiment of the device is similar to that of the embodiment of the method, the implementation of the embodiment of the device can be referred to the implementation of the embodiment of the method, and the repetition is omitted.
Fig. 8 shows a schematic diagram of a spectrum resource scheduling apparatus in an embodiment of the disclosure, as shown in fig. 8, where the apparatus includes:
a spectrum information determining module 801, configured to determine spectrum information of a second signal, where the second signal is an interference signal that has frequency interference with the first signal;
the bandwidth guard band configuration module 802 is configured to determine bandwidth guard band configuration information of the first signal according to spectrum information of the second signal, where the bandwidth guard band configuration information includes: a frequency range of the bandwidth guard band;
a spectrum resource block scheduling module 803, configured to schedule a spectrum resource block for transmitting the first signal according to a frequency range of the bandwidth guard band.
In some embodiments of the present disclosure, the bandwidth guard band configuration module 802 is further configured to determine a lower frequency point of the second signal according to spectrum information of the second signal; if the lower frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the lower frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the upper frequency point of the first frequency spectrum bandwidth.
In some embodiments of the present disclosure, the bandwidth guard band configuration module 802 is further configured to determine a top frequency point of the second signal according to spectrum information of the second signal; if the upper frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the upper frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the lower frequency point of the first frequency spectrum bandwidth.
In some embodiments of the present disclosure, the above-mentioned spectrum information determining module 801 is further configured to obtain spectrum resource block scheduling information for transmitting the first signal, where the spectrum resource block scheduling information is used to characterize a scheduling situation of a spectrum resource block for transmitting the first signal; judging whether the frequency spectrum resource block for transmitting the first signal is full or not according to the scheduling information of the frequency spectrum resource block; if the frequency spectrum resource block for transmitting the first signal is not full, determining the frequency spectrum information of the second signal.
In some embodiments of the present disclosure, the spectrum information determining module 801 is further configured to send an interference measurement reference signal, where the interference measurement reference signal is used to measure an interference signal that has frequency interference on the first signal; and determining the frequency spectrum information of the second signal with frequency interference to the first signal according to the interference measurement reference signal.
It should be noted that the above modules are the same as examples and application scenarios implemented by the corresponding steps, but are not limited to what is disclosed in the above method embodiments. It should be noted that the modules described above may be implemented as part of an apparatus in a computer system, such as a set of computer-executable instructions.
Those skilled in the art will appreciate that the various aspects of the present disclosure may be implemented as a system, method, or program product. Accordingly, various aspects of the disclosure may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
An electronic device 900 according to such an embodiment of the present disclosure is described below with reference to fig. 9. The electronic device 900 shown in fig. 9 is merely an example and should not be construed to limit the functionality and scope of use of embodiments of the present disclosure in any way.
As shown in fig. 9, the electronic device 900 is embodied in the form of a general purpose computing device. Components of electronic device 900 may include, but are not limited to: the at least one processing unit 910, the at least one storage unit 920, and a bus 930 connecting the different system components (including the storage unit 920 and the processing unit 910).
Wherein the storage unit stores program code that is executable by the processing unit 910 such that the processing unit 910 performs steps according to various exemplary embodiments of the present disclosure described in the above-described "exemplary methods" section of the present specification. For example, the processing unit 910 may perform the following steps of the method embodiment described above: determining spectrum information of a second signal, wherein the second signal is an interference signal with the first signal in frequency interference; according to the spectrum information of the second signal, bandwidth guard band configuration information of the first signal is determined, wherein the bandwidth guard band configuration information comprises: a frequency range of the bandwidth guard band; and scheduling the frequency spectrum resource blocks for transmitting the first signal according to the frequency range of the bandwidth guard band.
The storage unit 920 may include readable media in the form of volatile storage units, such as Random Access Memory (RAM) 9201 and/or cache memory 9202, and may further include Read Only Memory (ROM) 9203.
The storage unit 920 may also include a program/utility 9204 having a set (at least one) of program modules 9205, such program modules 9205 include, but are not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
The bus 930 may be one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.
The electronic device 900 may also communicate with one or more external devices 940 (e.g., keyboard, pointing device, bluetooth device, etc.), one or more devices that enable a user to interact with the electronic device 900, and/or any devices (e.g., routers, modems, etc.) that enable the electronic device 900 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 950. Also, electronic device 900 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 960. As shown, the network adapter 960 communicates with other modules of the electronic device 900 over the bus 930. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 900, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, including several instructions to cause a computing device (may be a personal computer, a server, a terminal device, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
In particular, according to embodiments of the present disclosure, the process described above with reference to the flowcharts may be implemented as a computer program product comprising: and a computer program which, when executed by the processor, implements the above-described spectrum resource scheduling method.
In an exemplary embodiment of the present disclosure, a computer-readable storage medium, which may be a readable signal medium or a readable storage medium, is also provided. Fig. 10 illustrates a schematic diagram of a computer-readable storage medium in an embodiment of the present disclosure, where a program product capable of implementing the method of the present disclosure is stored on the computer-readable storage medium 1000 as illustrated in fig. 10. In some possible implementations, various aspects of the disclosure may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the disclosure as described in the "exemplary methods" section of this specification, when the program product is run on the terminal device.
More specific examples of the computer readable storage medium in the present disclosure may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, 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 disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
In this disclosure, a computer readable storage medium may include a data signal propagated in baseband or as part of a carrier wave, with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Alternatively, the program code embodied on a computer readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
In particular implementations, the program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind 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., connected via the Internet using an Internet service provider).
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
Furthermore, although the steps of the methods in the present disclosure are depicted in a particular order in the drawings, this does not require or imply that the steps must be performed in that particular order or that all illustrated steps be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform, etc.
From the description of the above embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, including several instructions to cause a computing device (may be a personal computer, a server, a mobile terminal, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any adaptations, uses, or adaptations of the disclosure following the general principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. A method for scheduling spectrum resources, comprising:
determining spectrum information of a second signal, wherein the second signal is an interference signal with the first signal in frequency interference;
according to the spectrum information of the second signal, bandwidth guard band configuration information of the first signal is determined, wherein the bandwidth guard band configuration information comprises: a frequency range of the bandwidth guard band;
and scheduling the frequency spectrum resource blocks for transmitting the first signal according to the frequency range of the bandwidth guard band.
2. The spectrum resource scheduling method of claim 1, wherein determining bandwidth guard band configuration information of the first signal based on spectrum information of the second signal comprises:
determining a lower frequency point of the second signal according to the frequency spectrum information of the second signal;
if the lower frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the lower frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the upper frequency point of the first frequency spectrum bandwidth.
3. The spectrum resource scheduling method of claim 1, wherein determining bandwidth guard band configuration information of the first signal based on spectrum information of the second signal comprises:
Determining a top frequency point of the second signal according to the frequency spectrum information of the second signal;
if the upper frequency point of the second signal and the first signal have frequency interference, a frequency spectrum resource block for transmitting the first signal is configured at one side of the upper frequency point of the first frequency spectrum bandwidth, and a bandwidth guard band of the first frequency spectrum bandwidth is configured at one side of the lower frequency point of the first frequency spectrum bandwidth.
4. The method of spectrum resource scheduling according to claim 1, wherein determining spectrum information of the second signal comprises:
acquiring scheduling information of a frequency spectrum resource block for transmitting a first signal, wherein the scheduling information of the frequency spectrum resource block is used for representing the scheduling condition of the frequency spectrum resource block for transmitting the first signal;
judging whether the frequency spectrum resource block for transmitting the first signal is full or not according to the scheduling information of the frequency spectrum resource block;
if the frequency spectrum resource block for transmitting the first signal is not full, determining the frequency spectrum information of the second signal.
5. The method of spectrum resource scheduling according to claim 1, wherein determining spectrum information of the second signal comprises:
transmitting an interference measurement reference signal, wherein the interference measurement reference signal is used for measuring an interference signal with frequency interference on a first signal;
And determining the frequency spectrum information of the second signal with frequency interference to the first signal according to the interference measurement reference signal.
6. The method of spectrum resource scheduling according to claim 5, wherein the interference measurement reference signal is a CSI-IM channel state information interference measurement reference signal.
7. The method of spectrum resource scheduling according to claim 1, wherein the frequency range of the bandwidth guard band includes a start frequency of the bandwidth guard band.
8. A spectrum resource scheduling apparatus, comprising:
the frequency spectrum information determining module is used for determining frequency spectrum information of a second signal, wherein the second signal is an interference signal with frequency interference of the first signal;
the bandwidth guard band configuration module is configured to determine bandwidth guard band configuration information of the first signal according to spectrum information of the second signal, where the bandwidth guard band configuration information includes: a frequency range of the bandwidth guard band;
and the spectrum resource block scheduling module is used for scheduling the spectrum resource block for transmitting the first signal according to the frequency range of the bandwidth guard band.
9. An electronic device, comprising:
a processor; and
A memory for storing executable instructions of the processor;
wherein the processor is configured to perform the spectrum resource scheduling method of any of claims 1-7 via execution of the executable instructions.
10. A computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the spectrum resource scheduling method of any of claims 1-7.
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