CN111800792B - Resource processing method and device - Google Patents
Resource processing method and device Download PDFInfo
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- CN111800792B CN111800792B CN201910277084.6A CN201910277084A CN111800792B CN 111800792 B CN111800792 B CN 111800792B CN 201910277084 A CN201910277084 A CN 201910277084A CN 111800792 B CN111800792 B CN 111800792B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
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Abstract
The application provides a method and a device for processing resources, which are applied to a first base station and comprise the following steps: receiving an auxiliary base station request sent by a second base station to the first base station; determining resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station; when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, the occupation of the air interface resource to the position corresponding to the second position information is canceled, the user-level scheduling information is interacted on the LTE side and the NR side in time, the resource avoidance is accurate and effective, the change of the existing scheduling time sequence and queuing algorithm of a product is small, and multi-carrier joint scheduling is not needed. On the basis of precisely avoiding harmonic wave and intermodulation interference, the cell air interface resource can be fully utilized to the greatest extent, and the uplink and downlink rates of the LTE side and the NR side are ensured not to be lost, so that the uplink and downlink user perception of a user is effectively improved.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method and apparatus for processing resources.
Background
5G(5 th The Generation, fifth Generation, terminal will support multiple standards such as LTE (Long Term Evolution ) and NR (New Radio), and in the scenario where LTE and NR transmit-receive links operate simultaneously, mutual interference between multiple frequency bands will exist. According to the sources of mutual interference to terminals, the interference is divided into two types of harmonic interference and intermodulation interference.
At present, although interference avoidance is performed by methods such as a static resource scheduling method, a plurality of disadvantages still exist, including the following points: 1. the air interface resource of the cell level is easy to waste; 2. uplink rate limited; 3. the requirements on the product form and the scheduling capability are high.
Disclosure of Invention
In view of the foregoing, the present application has been developed to provide a method and apparatus for resource processing that overcome, or at least partially solve, the foregoing problems, including:
a method of resource processing, applied to a first base station, comprising:
receiving an auxiliary base station request sent by a second base station to the first base station;
determining resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station;
And when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, canceling the occupation of the air interface resource on the position corresponding to the second position information.
Optionally, the second location information includes downlink location information corresponding to a downlink air interface resource, and in the case that the pre-scheduling resource is an uplink resource, the following manner is adopted to detect whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station:
calculating a first frequency corresponding to the first position information;
determining a second frequency corresponding to the first frequency;
if the second frequency is within the air interface bandwidth, determining that the first position information is detected to be overlapped with downlink position information occupied by air interface resources in the first base station;
and if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
Optionally, before the step of canceling the occupation of the air interface resource to the position corresponding to the second position information when the first position information is detected to overlap with the second position information occupied by the air interface resource in the first base station, the method further includes:
Acquiring first position information of pre-scheduling resources from the resource pre-scheduling information;
and calculating to obtain a first frequency corresponding to the first position information by adopting the frequency corresponding to the lower boundary of the air interface bandwidth of the first prescheduling resource and the subcarrier interval.
Optionally, when detecting that the first location information overlaps with second location information occupied by an air interface resource in the first base station, the step of canceling the occupancy of the air interface resource to a location corresponding to the second location information includes:
calculating second position information occupied by the air resources in the first base station according to the second frequency;
and canceling the occupation of the air interface resource to the position corresponding to the second position information.
Optionally, the step of calculating the second location information of the air resource occupation in the first base station according to the second frequency includes:
calculating the difference between the second frequency and the frequency corresponding to the lower boundary of the air interface bandwidth to obtain a frequency difference;
dividing the frequency difference by the frequency width corresponding to the single air interface resource to obtain the position occupied by the air interface resource corresponding to the second frequency.
Optionally, the second frequency is twice the first frequency.
Optionally, the second location information includes uplink location information corresponding to an uplink air interface resource, and in the case that the pre-scheduling resource is a downlink resource, the following manner is adopted to detect whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station:
calculating a third frequency corresponding to the first position information;
traversing the uplink position information occupied by the uplink air interface resources in the first base station, and calculating a fourth frequency corresponding to the second position information occupied by each uplink air interface resource;
if the difference between the fourth frequency and the third frequency is detected to be in the preset downlink bandwidth, determining that the first position information is detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station;
and if the difference between the fourth frequency and the third frequency is detected not to be in the preset downlink bandwidth, judging that the first position information is not detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station.
Optionally, after the determining detects that the first location information overlaps with uplink location information occupied by a hollow resource in the first base station, the method further includes:
Determining the position occupied by the air interface resource corresponding to the fourth frequency;
and canceling the occupation of the position occupied by the air interface resource corresponding to the fourth frequency.
Optionally, when the first base station is a communication base station providing 5G network service, the second base station is a communication base station providing 4G network service;
and/or, when the first base station is a communication base station providing 4G network service, the second base station is a communication base station providing 5G network service.
A method of resource processing, applied to a second base station, comprising:
generating an auxiliary base station request and sending the auxiliary base station request to the first base station; the first base station is used for determining resource pre-scheduling information corresponding to a second base station according to an auxiliary base station request after receiving the auxiliary base station request sent by the second base station to the first base station; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station; and when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, canceling the occupation of the air interface resource on the position corresponding to the second position information.
Optionally, the step of generating a secondary base station request and sending to the first base station includes:
Periodically acquiring uplink resource utilization information of a terminal, calculating a change value corresponding to the uplink resource utilization rate of the uplink resource utilization information, and generating an auxiliary base station request and sending the auxiliary base station request to the first base station when the change value is greater than a preset threshold value;
and/or generating a secondary base station request according to a preset period, and sending the secondary base station request to the first base station.
An apparatus for resource processing, applied to a first base station, comprises:
the auxiliary base station request receiving module is used for receiving an auxiliary base station request sent by a second base station to the first base station;
the resource pre-scheduling information determining module is used for determining resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station;
and the position occupation cancellation module is used for canceling the occupation of the air interface resource to the position corresponding to the second position information when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station.
Optionally, the second location information includes downlink location information corresponding to a downlink air interface resource, and in the case that the pre-scheduling resource is an uplink resource, the following method is adopted to detect whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station:
Calculating a first frequency corresponding to the first position information;
determining a second frequency corresponding to the first frequency;
if the second frequency is within the air interface bandwidth, determining that the first position information is detected to be overlapped with downlink position information occupied by air interface resources in the first base station;
and if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
Optionally, the method further comprises:
the first position information acquisition module is used for acquiring first position information of the pre-scheduling resource from the resource pre-scheduling information;
and the first position information calculation module is used for calculating and obtaining the first frequency corresponding to the first position information by adopting the frequency corresponding to the lower boundary of the air interface bandwidth of the first prescheduling resource and the subcarrier interval.
Optionally, the location occupation cancellation module includes:
a second location information calculation sub-module, configured to calculate, according to the second frequency, second location information occupied by a hollow resource in the first base station;
and the second position occupation cancellation sub-module is used for canceling occupation of the air interface resource on the position corresponding to the second position information.
Optionally, the second position information calculation sub-module includes:
the frequency difference calculation unit is used for calculating the difference between the second frequency and the frequency corresponding to the lower boundary of the air interface bandwidth to obtain a frequency difference;
and the air interface resource position obtaining unit is used for dividing the frequency difference by the frequency width corresponding to the single air interface resource to obtain the position occupied by the air interface resource corresponding to the second frequency.
Optionally, the second frequency is twice the first frequency.
Optionally, the second location information includes uplink location information corresponding to an uplink air interface resource, and in the case that the pre-scheduling resource is a downlink resource, the following method is adopted to detect whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station:
calculating a third frequency corresponding to the first position information;
traversing the uplink position information occupied by the uplink air interface resources in the first base station, and calculating a fourth frequency corresponding to the second position information occupied by each uplink air interface resource;
if the difference between the fourth frequency and the third frequency is detected to be in the preset downlink bandwidth, determining that the first position information is detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station;
And if the difference between the fourth frequency and the third frequency is detected not to be in the preset downlink bandwidth, judging that the first position information is not detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station.
Optionally, the method further comprises:
an air interface resource position determining module, configured to determine a position occupied by the air interface resource corresponding to the fourth frequency;
and the air interface resource occupation cancellation module is used for canceling occupation of the position occupied by the air interface resource corresponding to the fourth frequency.
Optionally, when the first base station is a communication base station providing 5G network service, the second base station is a communication base station providing 4G network service;
and/or, when the first base station is a communication base station providing 4G network service, the second base station is a communication base station providing 5G network service.
An apparatus for resource processing, applied to a second base station, comprises:
the auxiliary base station request generation module is used for generating an auxiliary base station request and sending the auxiliary base station request to the first base station; the first base station is used for determining resource pre-scheduling information corresponding to a second base station according to an auxiliary base station request after receiving the auxiliary base station request sent by the second base station to the first base station; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station; and when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, canceling the occupation of the air interface resource on the position corresponding to the second position information.
Optionally, the secondary base station request generation module includes:
the resource utilization information processing sub-module is used for periodically acquiring the uplink resource utilization information of the terminal, calculating a change value corresponding to the uplink resource utilization rate of the uplink resource utilization information, generating an auxiliary base station request when the change value is greater than a preset threshold value, and transmitting the auxiliary base station request to the first base station;
and/or the number of the groups of groups,
and the auxiliary base station request period generation submodule is used for generating an auxiliary base station request according to a preset period and sending the auxiliary base station request to the first base station.
The application has the following advantages:
in the application, an auxiliary base station request sent to a first base station by a second base station is received; determining resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in a second base station; when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, the occupation of the air interface resource to the position corresponding to the second position information is canceled, the user-level scheduling information is interacted on the LTE side and the NR side in time, the resource avoidance is accurate and effective, the existing scheduling time sequence and queuing algorithm of the product are changed little, and multi-carrier joint scheduling is not needed. On the basis of precisely avoiding harmonic wave and intermodulation interference, the cell air interface resource can be fully utilized to the greatest extent, and the uplink and downlink rates of the LTE side and the NR side are ensured not to be lost, so that the uplink and downlink user perception of a user is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the present application will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a flow chart of steps of a method of resource processing provided by an embodiment of the present application;
FIG. 2 is a flow chart of steps of a method of resource processing provided by another embodiment of the present application;
FIG. 3 is a block diagram of an apparatus for resource processing according to an embodiment of the present application;
fig. 4 is a block diagram of an apparatus for resource processing according to an embodiment of the present application.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Referring to fig. 1, a flowchart illustrating steps of a method for processing resources according to an embodiment of the present application is applied to a first base station, and may specifically include the following steps:
as an example, the secondary base station request may be a secondary base station addition request or a secondary base station modification request.
Specifically, the second base station may send a request of the auxiliary base station to the first base station for periodic feedback, where the period may be set to 40ms at maximum, or may be configured to other values according to a protocol.
For a single terminal, the scheduling queuing algorithm of the LTE and NR sides is not changed, and the SCG (Secondary Cell Group ) is notified of the PRB (Physical Resource Block ) usage of the UE (User Equipment) on the LTE side in an SGNB (Secondary gNodeB) ADDITION REQUEST or a SGNB MODIFICATION REQUEST Secondary base station modification REQUEST, so that the NR side can calculate the PRB position where the NR downlink may be interfered and the NR side uplink transmission PRB position where the NR downlink may be interfered according to the LTE uplink and downlink scheduling PRB positions, respectively, and limit scheduling these PRBs.
in an example, the resource pre-scheduling information may be a per-subframe, per-PRB resource pre-scheduling condition in a period indicated by UL/DL (Uplink/Downlink) Coordination Information in the secondary base station request.
The first location information may be a PRB location of the next non-0 corresponding subframe of UL/DL Coordination Information in the secondary base station request.
And determining the resource pre-scheduling condition of each subframe and each PRB in the next period of the second base station according to the received auxiliary base station request.
And 103, canceling the occupation of the air interface resource to the position corresponding to the second position information when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station.
In an example, the second location information may be a PRB location that may be interfered by the LTE uplink in the NR downlink or a PRB location that may be interfered by the LTE downlink in the NR uplink.
When the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, namely, when the air interface resource exists in the position corresponding to the harmonic interference and intermodulation interference, the occupation of the air interface resource to the position corresponding to the second position is canceled.
In an embodiment of the present application, before step 103, the following steps may be further included:
acquiring first position information of pre-scheduling resources from the resource pre-scheduling information; and calculating to obtain a first frequency corresponding to the first position information by adopting the frequency corresponding to the lower boundary of the air interface bandwidth of the first prescheduling resource and the subcarrier interval.
In an example, the first pre-scheduled resource may be a first one of the pre-scheduled resources to be scheduled.
The lower boundary of the air interface bandwidth may be the lowest end of the NR operating frequency band, e.g., the operating frequency band of NR is 3.4-3.5 GHz, and the lowest end is 3.4GHz.
After the resource pre-scheduling information is determined, first position information of pre-scheduling resources is obtained from the resource pre-scheduling information, and a first pre-scheduling resource PRB in the pre-scheduling resources is adopted 0 Lower boundary RE of air interface bandwidth 0 The corresponding frequency and subcarrier spacing SCS calculate the first frequency corresponding to the first position information according to the following formula.
First frequency=re 0 Corresponding absolute frequency +scs12prb i The obtained uplink PRB i Absolute frequency of (2)
Wherein PRB (physical resource block) i The resources are pre-scheduled for the next of the current LTE.
Harmonic interference caused to NR side downlink by LTE side uplink scheduling:
When the input is a single-tone signal f1, the output signal contains harmonic components such as 2f1 and 3f 1. If the harmonic falls into another receiving frequency band, harmonic interference is caused.
The second location information includes downlink location information corresponding to a downlink air interface resource, and in the case that the pre-scheduling resource is an uplink resource, it may be detected whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station in the following manner:
calculating a first frequency corresponding to the first position information; determining a second frequency corresponding to the first frequency; if the second frequency is within the air interface bandwidth, determining that the first position information is detected to be overlapped with downlink position information occupied by air interface resources in the first base station; and if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
In an example, the first location information may be location information corresponding to uplink scheduling resources of LTE.
The first frequency may be a frequency corresponding to location information corresponding to an uplink scheduling resource of LTE.
In practical applications, the effect of the smaller harmonic amplitudes of more than three times on the input signal may be disregarded. The present application primarily considers the second harmonic component. But the resource coordination method is not limited to application in multiple harmonic interference scenarios.
Thus, the second frequency may be set to twice the first frequency.
The air interface bandwidth can be an NR working frequency band, such as 3.4-3.5 GHz.
When the pre-scheduling resource is an uplink resource, that is, an uplink scheduling resource of LTE, and the second location information refers to downlink location information corresponding to a downlink air interface resource, it may be detected whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station in the following manner:
1. first, calculating a first frequency corresponding to the first position information, and determining a second frequency corresponding to the first frequency according to the first frequency;
2. if the second frequency is within the air interface bandwidth, judging that the first position information is detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station;
3. and if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
In an embodiment of the present application, step 103 may include the following sub-steps:
a sub-step 11 of calculating second position information occupied by the hollow resources in the first base station according to the second frequency;
and a sub-step 12 of canceling the occupation of the air interface resource to the position corresponding to the second position information.
In an embodiment of the present application, the sub-step 11 may include the following steps:
calculating the difference between the second frequency and the frequency corresponding to the lower boundary of the air interface bandwidth to obtain a frequency difference; dividing the frequency difference by the frequency width corresponding to the single air interface resource to obtain the position occupied by the air interface resource corresponding to the second frequency.
After the position is obtained, the occupation of the position is canceled, namely the second frequency is avoided, and the resource scheduling is not performed on the second frequency so as to avoid interference.
Intermodulation interference caused to LTE side downlink for NR side uplink scheduling:
intermodulation interference when the input signal contains a plurality of frequency components, the output contains intermodulation products of the various orders of those frequency components. Taking the input two frequency components f1 and f2 as an example, the output will contain second order intermodulation (f1±f2), third order intermodulation (2f1±f2, f1±2f2), etc. Intermodulation interference may be caused if intermodulation products fall into the receiving frequency band.
The interference mostly occurs in high-low frequency concurrency scenes, and external signals are reversely poured into UE (User Equipment) transmitting link scenes, such as concurrency of LTE voice and 5G data, concurrency of LTE signaling and 5G data, and the like. The second order distortion amplitude is the largest in intermodulation distortion, the higher the order is, the smaller the distortion amplitude is, and in general, the influence of the smaller intermodulation distortion amplitude above the third order in most scenes can be ignored. But the resource coordination method is not limited to application in multiple harmonic interference scenarios.
The second position information comprises uplink position information corresponding to uplink air interface resources, and if the pre-scheduling resources are downlink resources, whether the first position information overlaps with the second position information occupied by the air interface resources in the first base station is detected by adopting the following mode:
calculating a third frequency corresponding to the first position information; traversing the uplink position information occupied by the uplink air interface resources in the first base station, and calculating a fourth frequency corresponding to the second position information occupied by each uplink air interface resource; if the difference between the fourth frequency and the third frequency is detected to be in the preset LTE downlink bandwidth, judging that the first position information is detected to be overlapped with the uplink position information occupied by the hollow resource in the first base station; and if the difference between the fourth frequency and the third frequency is detected not to be in the preset LTE downlink bandwidth, judging that the first position information is not detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station.
In an example, the first location information may be location information corresponding to downlink scheduling resources of LTE.
The third frequency may be a frequency corresponding to location information corresponding to downlink scheduling resources of LTE.
The downlink bandwidth may be an LTE downlink bandwidth, such as 1840-1860MHz.
When the pre-scheduling resource is a downlink resource, that is, a downlink scheduling resource of LTE, and the second location information refers to uplink location information corresponding to an uplink air interface resource, it may be detected whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station in the following manner:
1. firstly, calculating a third frequency corresponding to the first position information, traversing the uplink position information occupied by the uplink air interface resource in the first base station, and calculating a fourth frequency corresponding to the second position information occupied by each uplink air interface resource;
2. subtracting the third frequency from each fourth frequency to obtain the difference between the corresponding fourth frequency and the third frequency;
3. if the difference between the fourth frequency and the third frequency is detected to be in the preset downlink bandwidth, judging that the first position information is detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station;
4. if the difference between the fourth frequency and the third frequency is detected not to be in the preset downlink bandwidth, the fact that the first position information is not detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station is judged.
In an embodiment of the present application, after the determining detects that the first location information overlaps with uplink location information occupied by a hollow resource in the first base station, the method further includes:
determining the position occupied by the air interface resource corresponding to the fourth frequency; and canceling the occupation of the position occupied by the air interface resource corresponding to the fourth frequency.
After the position occupied by the air interface resource corresponding to the fourth frequency is determined, the occupation of the position occupied by the air interface resource corresponding to the fourth frequency is canceled, namely the fourth frequency is avoided, and the resource scheduling is not performed on the fourth frequency so as to avoid interference.
In an embodiment of the present application, the method may further include:
when the first base station is a communication base station providing 5G network service, the second base station is a communication base station providing 4G network service; and/or, when the first base station is a communication base station providing 4G network service, the second base station is a communication base station providing 5G network service.
Considering that the frequency band resource on the NR side is wider, the frequency band resource on the LTE side is smaller, the scheduling flexibility is relatively limited, and the resource adjustment can be carried out from the 5G base station side. However, the present application is not limited to adjustment on the NR side, and in a scenario where the frequency band resources of LTE and NR are equivalent or where the scheduling resources on the NR side are more scarce, resource adjustment may be performed from the 4G base station side, and the adjustment schemes are consistent.
In the application, an auxiliary base station request sent to a first base station by a second base station is received; determining resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in a second base station; when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, the occupation of the air interface resource to the position corresponding to the second position information is canceled, the user-level scheduling information is interacted on the LTE side and the NR side in time, the resource avoidance is accurate and effective, the existing scheduling time sequence and queuing algorithm of the product are changed little, and multi-carrier joint scheduling is not needed. On the basis of precisely avoiding harmonic wave and intermodulation interference, the cell air interface resource can be fully utilized to the greatest extent, and the uplink and downlink rates of the LTE side and the NR side are ensured not to be lost, so that the uplink and downlink user perception of a user is effectively improved.
Referring to fig. 2, a flowchart illustrating steps of another method for processing resources according to an embodiment of the present application is applied to a second base station, and may specifically include the following steps:
In an example, the secondary base station request may include a secondary base station addition request or a secondary base station modification request.
The resource pre-scheduling information may include first location information of the pre-scheduled resources in the second base station.
The second base station generates an auxiliary base station request and sends the auxiliary base station request to the first base station; the first base station is used for determining resource pre-scheduling information corresponding to the second base station according to the request after receiving the request of the auxiliary base station; when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, the occupancy of the air interface resource to the position corresponding to the second position information is canceled.
In an embodiment of the present application, step 201 may include the following sub-steps:
periodically acquiring uplink resource utilization information of a terminal, calculating a change value corresponding to the uplink resource utilization rate of the uplink resource utilization information, and generating an auxiliary base station request and sending the auxiliary base station request to the first base station when the change value is greater than a preset threshold value;
and/or generating a secondary base station request according to a preset period, and sending the secondary base station request to the first base station.
In order to avoid congestion caused by excessive messages on the X2 interface, the second base station can use an average or smoothing algorithm to calculate a change value corresponding to the uplink resource utilization rate of the uplink resource utilization information in N periods, wherein N can be flexibly configured according to the busy and idle conditions of the system and the load of the X2 port, and when the change value is greater than a preset threshold, an auxiliary base station request is generated and sent to the first base station.
And/or the number of the groups of groups,
generating a request of an auxiliary base station according to a preset period, and sending the request to a first base station to perform period feedback.
In the application, an auxiliary base station request sent to a first base station by a second base station is received; determining resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in a second base station; when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, the occupation of the air interface resource to the position corresponding to the second position information is canceled, the user-level scheduling information is interacted on the LTE side and the NR side in time, the resource avoidance is accurate and effective, the existing scheduling time sequence and queuing algorithm of the product are changed little, and multi-carrier joint scheduling is not needed. On the basis of precisely avoiding harmonic wave and intermodulation interference, the cell air interface resource can be fully utilized to the greatest extent, and the uplink and downlink rates of the LTE side and the NR side are ensured not to be lost, so that the uplink and downlink user perception of a user is effectively improved.
It should be noted that, for simplicity of description, the method embodiments are shown as a series of acts, but it should be understood by those skilled in the art that the embodiments are not limited by the order of acts described, as some steps may occur in other orders or concurrently in accordance with the embodiments. Further, those skilled in the art will appreciate that the embodiments described in the specification are all preferred embodiments and that the acts referred to are not necessarily required by the embodiments of the present application.
Referring to fig. 3, a block diagram of an apparatus for resource processing according to an embodiment of the present application is shown, which may specifically include the following modules:
an auxiliary base station request receiving module 301, configured to receive an auxiliary base station request sent by a second base station to the first base station;
a resource pre-scheduling information determining module 302, configured to determine resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station;
and the location occupation cancellation module 303 is configured to cancel occupation of the air interface resource on a location corresponding to the second location information when it is detected that the first location information overlaps with the second location information occupied by the air interface resource in the first base station.
In an embodiment of the present application, the second location information includes downlink location information corresponding to a downlink air interface resource, and when the prescheduled resource is an uplink resource, the following method is adopted to detect whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station:
calculating a first frequency corresponding to the first position information;
Determining a second frequency corresponding to the first frequency;
if the second frequency is within the air interface bandwidth, determining that the first position information is detected to be overlapped with downlink position information occupied by air interface resources in the first base station;
and if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
In an embodiment of the present application, further includes:
the first position information acquisition module is used for acquiring first position information of the pre-scheduling resource from the resource pre-scheduling information;
and the first position information calculation module is used for calculating and obtaining the first frequency corresponding to the first position information by adopting the frequency corresponding to the lower boundary of the air interface bandwidth of the first prescheduling resource and the subcarrier interval.
In an embodiment of the present application, the location occupation cancellation module 303 includes:
a second location information calculation sub-module 31, configured to calculate, according to the second frequency, second location information of the space resource occupation in the first base station;
and the second location occupation cancellation sub-module 32 is configured to cancel occupation of the air interface resource on a location corresponding to the second location information.
In an embodiment of the present application, the second location information calculating sub-module 31 includes:
the frequency difference calculation unit is used for calculating the difference between the second frequency and the frequency corresponding to the lower boundary of the air interface bandwidth to obtain a frequency difference;
and the air interface resource position obtaining unit is used for dividing the frequency difference by the frequency width corresponding to the single air interface resource to obtain the position occupied by the air interface resource corresponding to the second frequency.
In an embodiment of the present application, the second frequency is twice the first frequency.
In an embodiment of the present application, the second location information includes uplink location information corresponding to an uplink air interface resource, and in a case that the pre-scheduling resource is a downlink resource, the following method is adopted to detect whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station:
calculating a third frequency corresponding to the first position information;
traversing the uplink position information occupied by the uplink air interface resources in the first base station, and calculating a fourth frequency corresponding to the second position information occupied by each uplink air interface resource;
if the difference between the fourth frequency and the third frequency is detected to be in the preset downlink bandwidth, determining that the first position information is detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station;
And if the difference between the fourth frequency and the third frequency is detected not to be in the preset downlink bandwidth, judging that the first position information is not detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station.
In an embodiment of the present application, further includes:
an air interface resource position determining module, configured to determine a position occupied by the air interface resource corresponding to the fourth frequency;
and the air interface resource occupation cancellation module is used for canceling occupation of the position occupied by the air interface resource corresponding to the fourth frequency.
In an embodiment of the present application, when the first base station is a communication base station providing a 5G network service, the second base station is a communication base station providing a 4G network service; and/or, when the first base station is a communication base station providing 4G network service, the second base station is a communication base station providing 5G network service.
Referring to fig. 4, a block diagram of an apparatus for resource processing according to an embodiment of the present application is shown, which may specifically include the following modules:
an auxiliary base station request generation module 401, configured to generate an auxiliary base station request, and send the auxiliary base station request to the first base station; the first base station is used for determining resource pre-scheduling information corresponding to a second base station according to an auxiliary base station request after receiving the auxiliary base station request sent by the second base station to the first base station; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station; and when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station, canceling the occupation of the air interface resource on the position corresponding to the second position information.
In an embodiment of the present application, the secondary base station request generating module 401 includes:
the resource utilization information processing sub-module is used for periodically acquiring the uplink resource utilization information of the terminal, calculating a change value corresponding to the uplink resource utilization rate of the uplink resource utilization information, generating an auxiliary base station request when the change value is greater than a preset threshold value, and transmitting the auxiliary base station request to the first base station;
and/or the number of the groups of groups,
and the auxiliary base station request period generation submodule is used for generating an auxiliary base station request according to a preset period and sending the auxiliary base station request to the first base station.
For the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
An embodiment of the present application further provides an electronic device, which may include a processor, a memory, and a computer program stored on the memory and capable of running on the processor, the computer program implementing the steps of the method of resource processing as above when executed by the processor.
An embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the method of resource processing as above.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, the present embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present embodiments have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the present application.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The foregoing has described in detail a method and apparatus for resource processing provided herein, and specific examples have been provided herein to illustrate the principles and embodiments of the present application, the above examples being provided only to assist in understanding the method and core ideas of the present application; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (20)
1. A method of resource processing, applied to a first base station, comprising:
receiving an auxiliary base station request sent by a second base station to the first base station;
determining resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station;
when the first position information is detected to be overlapped with second position information occupied by the air interface resource in the first base station, canceling the occupation of the air interface resource on the position corresponding to the second position information;
the second location information includes downlink location information corresponding to a downlink air interface resource, and if the pre-scheduling resource is an uplink resource, the first location information is detected to be overlapped with the second location information occupied by the air interface resource in the first base station in the following manner:
calculating a first frequency corresponding to the first position information;
determining a second frequency corresponding to the first frequency;
if the second frequency is within the air interface bandwidth, determining that the first position information is detected to be overlapped with downlink position information occupied by air interface resources in the first base station;
And if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
2. The method of claim 1, further comprising, prior to the step of canceling the occupation of the air interface resource in the position corresponding to the second position information when the first position information is detected to overlap with the second position information occupied by the air interface resource in the first base station:
acquiring first position information of pre-scheduling resources from the resource pre-scheduling information;
and calculating to obtain a first frequency corresponding to the first position information by adopting the frequency corresponding to the lower boundary of the air interface bandwidth of the first prescheduling resource and the subcarrier interval.
3. The method of claim 1, wherein when the first location information is detected to overlap with second location information occupied by an air interface resource in the first base station, the step of canceling the occupancy of the air interface resource at a location corresponding to the second location information comprises:
calculating second position information occupied by the air resources in the first base station according to the second frequency;
And canceling the occupation of the air interface resource to the position corresponding to the second position information.
4. A method according to claim 3, wherein said step of calculating second location information of air resource occupancy in said first base station at said second frequency comprises:
calculating the difference between the second frequency and the frequency corresponding to the lower boundary of the air interface bandwidth to obtain a frequency difference;
dividing the frequency difference by the frequency width corresponding to the single air interface resource to obtain the position occupied by the air interface resource corresponding to the second frequency.
5. The method of claim 1, wherein the second frequency is twice the first frequency.
6. The method according to claim 1, wherein the second location information includes uplink location information corresponding to an uplink air interface resource, and in the case that the prescheduled resource is a downlink resource, detecting whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station is performed by:
calculating a third frequency corresponding to the first position information;
traversing the uplink position information occupied by the uplink air interface resources in the first base station, and calculating a fourth frequency corresponding to the second position information occupied by each uplink air interface resource;
If the difference between the fourth frequency and the third frequency is detected to be in the preset downlink bandwidth, determining that the first position information is detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station;
and if the difference between the fourth frequency and the third frequency is detected not to be in the preset downlink bandwidth, judging that the first position information is not detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station.
7. The method of claim 6, further comprising, after the determining that the first location information overlaps with uplink location information occupied by a hollow resource in the first base station:
determining the position occupied by the air interface resource corresponding to the fourth frequency;
and canceling the occupation of the position occupied by the air interface resource corresponding to the fourth frequency.
8. The method of claim 1, wherein when the first base station is a communication base station providing 5G network services, the second base station is a communication base station providing 4G network services;
and/or, when the first base station is a communication base station providing 4G network service, the second base station is a communication base station providing 5G network service.
9. A method of resource handling, for use in a second base station, comprising:
generating an auxiliary base station request and sending the auxiliary base station request to a first base station; the first base station is used for determining resource pre-scheduling information corresponding to a second base station according to an auxiliary base station request after receiving the auxiliary base station request sent by the second base station to the first base station; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station; when the first position information is detected to be overlapped with second position information occupied by the air interface resource in the first base station, canceling the occupation of the air interface resource on the position corresponding to the second position information;
the second location information includes downlink location information corresponding to a downlink air interface resource, and if the pre-scheduling resource is an uplink resource, the first location information is detected to be overlapped with the second location information occupied by the air interface resource in the first base station in the following manner:
calculating a first frequency corresponding to the first position information;
determining a second frequency corresponding to the first frequency;
if the second frequency is within the air interface bandwidth, determining that the first position information is detected to be overlapped with downlink position information occupied by air interface resources in the first base station;
And if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
10. The method of claim 9, wherein the step of generating a secondary base station request and transmitting to the first base station comprises:
periodically acquiring uplink resource utilization information of a terminal, calculating a change value corresponding to the uplink resource utilization rate of the uplink resource utilization information, and generating an auxiliary base station request and sending the auxiliary base station request to the first base station when the change value is greater than a preset threshold value;
and/or generating a secondary base station request according to a preset period, and sending the secondary base station request to the first base station.
11. An apparatus for resource processing, applied to a first base station, comprising:
the auxiliary base station request receiving module is used for receiving an auxiliary base station request sent by a second base station to the first base station;
the resource pre-scheduling information determining module is used for determining resource pre-scheduling information corresponding to the second base station according to the auxiliary base station request; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station;
The position occupation cancellation module is used for canceling occupation of the air interface resource to a position corresponding to the second position information when the first position information is detected to be overlapped with the second position information occupied by the air interface resource in the first base station;
the second position information includes downlink position information corresponding to downlink air interface resources, and if the pre-scheduling resources are uplink resources, the following method is adopted to detect whether the first position information overlaps with the second position information occupied by the air interface resources in the first base station:
calculating a first frequency corresponding to the first position information;
determining a second frequency corresponding to the first frequency;
if the second frequency is within the air interface bandwidth, determining that the first position information is detected to be overlapped with downlink position information occupied by air interface resources in the first base station;
and if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
12. The apparatus as recited in claim 11, further comprising:
the first position information acquisition module is used for acquiring first position information of the pre-scheduling resource from the resource pre-scheduling information;
And the first position information calculation module is used for calculating and obtaining the first frequency corresponding to the first position information by adopting the frequency corresponding to the lower boundary of the air interface bandwidth of the first prescheduling resource and the subcarrier interval.
13. The apparatus of claim 11, wherein the location occupancy cancellation module comprises:
a second location information calculation sub-module, configured to calculate, according to the second frequency, second location information occupied by a hollow resource in the first base station;
and the second position occupation cancellation sub-module is used for canceling occupation of the air interface resource on the position corresponding to the second position information.
14. The apparatus of claim 13, wherein the second location information calculation sub-module comprises:
the frequency difference calculation unit is used for calculating the difference between the second frequency and the frequency corresponding to the lower boundary of the air interface bandwidth to obtain a frequency difference;
and the air interface resource position obtaining unit is used for dividing the frequency difference by the frequency width corresponding to the single air interface resource to obtain the position occupied by the air interface resource corresponding to the second frequency.
15. The apparatus of claim 11, wherein the second frequency is twice the first frequency.
16. The apparatus of claim 11, wherein the second location information includes uplink location information corresponding to an uplink air interface resource, and wherein in the case that the prescheduled resource is a downlink resource, the method is used to detect whether the first location information overlaps with the second location information occupied by the air interface resource in the first base station:
calculating a third frequency corresponding to the first position information;
traversing the uplink position information occupied by the uplink air interface resources in the first base station, and calculating a fourth frequency corresponding to the second position information occupied by each uplink air interface resource;
if the difference between the fourth frequency and the third frequency is detected to be in the preset downlink bandwidth, determining that the first position information is detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station;
and if the difference between the fourth frequency and the third frequency is detected not to be in the preset downlink bandwidth, judging that the first position information is not detected to be overlapped with the uplink position information occupied by the hollow resources in the first base station.
17. The apparatus as recited in claim 16, further comprising:
an air interface resource position determining module, configured to determine a position occupied by the air interface resource corresponding to the fourth frequency;
And the air interface resource occupation cancellation module is used for canceling occupation of the position occupied by the air interface resource corresponding to the fourth frequency.
18. The apparatus of claim 11, wherein when the first base station is a communication base station providing 5G network services, the second base station is a communication base station providing 4G network services;
and/or, when the first base station is a communication base station providing 4G network service, the second base station is a communication base station providing 5G network service.
19. An apparatus for resource processing, applied to a second base station, comprising:
the auxiliary base station request generation module is used for generating an auxiliary base station request and sending the auxiliary base station request to the first base station; the first base station is used for determining resource pre-scheduling information corresponding to a second base station according to an auxiliary base station request after receiving the auxiliary base station request sent by the second base station to the first base station; the resource pre-scheduling information comprises first position information of pre-scheduling resources in the second base station; when the first position information is detected to be overlapped with second position information occupied by the air interface resource in the first base station, canceling the occupation of the air interface resource on the position corresponding to the second position information;
The second location information includes downlink location information corresponding to a downlink air interface resource, and if the pre-scheduling resource is an uplink resource, the first location information is detected to be overlapped with the second location information occupied by the air interface resource in the first base station in the following manner:
calculating a first frequency corresponding to the first position information;
determining a second frequency corresponding to the first frequency;
if the second frequency is within the air interface bandwidth, determining that the first position information is detected to be overlapped with downlink position information occupied by air interface resources in the first base station;
and if the second frequency is not in the air interface bandwidth, judging that the first position information is not detected to be overlapped with the downlink position information occupied by the air interface resource in the first base station.
20. The apparatus of claim 19, wherein the secondary base station request generation module comprises:
the resource utilization information processing sub-module is used for periodically acquiring the uplink resource utilization information of the terminal, calculating a change value corresponding to the uplink resource utilization rate of the uplink resource utilization information, generating an auxiliary base station request when the change value is greater than a preset threshold value, and transmitting the auxiliary base station request to the first base station;
And/or the number of the groups of groups,
and the auxiliary base station request period generation submodule is used for generating an auxiliary base station request according to a preset period and sending the auxiliary base station request to the first base station.
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