CN106411764B - Dynamic adjustment method for bandwidth configuration and base station equipment - Google Patents
Dynamic adjustment method for bandwidth configuration and base station equipment Download PDFInfo
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- CN106411764B CN106411764B CN201610758039.9A CN201610758039A CN106411764B CN 106411764 B CN106411764 B CN 106411764B CN 201610758039 A CN201610758039 A CN 201610758039A CN 106411764 B CN106411764 B CN 106411764B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2416—Real-time traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
Abstract
The embodiment of the application discloses a dynamic adjustment method of bandwidth configuration and base station equipment, in the method, the base station equipment identifies registration messages reported by accessed monitoring equipment, acquiring the type information of the monitoring equipment in the received registration message, adjusting the strategy according to the acquired type information and the preset bandwidth, the current bandwidth allocation scheme is adjusted, and by applying the technical scheme provided by the embodiment of the application, the purpose of reasonably allocating the bandwidth allocation scheme of the uplink and the downlink can be realized according to the type of the monitoring equipment accessed under the base station equipment, the purpose of changing according to the requirements of different types of bandwidth resources is achieved, the effect of timely adjusting the bandwidth configuration scheme avoids the problem that one bandwidth configuration scheme cannot adapt to the change of bandwidth resource demand, and network resources are reasonably utilized to the maximum extent.
Description
Technical Field
The present application relates to the field of touch control, and in particular, to a method for dynamically adjusting bandwidth configuration and a base station device.
Background
4G (the 4th Generation mobile communication technology, fourth Generation mobile communication technology) networks have been officially operated, 4G has made mobile high-definition monitoring possible, and video monitoring services combined with 4G networks have been widely deployed. The 4G is divided into two systems, LTE-FDD (Long Term Evolution-frequency Division duplex) and TD-LTE (Time Division Long Term Evolution).
An LTE (Long Term Evolution) network has advantages in that it can better support high-speed data and multimedia services, can achieve faster data rate than the current 2G (the 2nd Generation mobile communication technology, second Generation mobile communication technology)/3G (the 3rd Generation mobile communication technology), provide higher cell capacity, and significantly reduce the delay of the user plane and the control plane by adopting various key technologies such as OFDM (Orthogonal Frequency Division Multiplexing), SC-FDMA (Single-carrier Frequency-Division Multiple Access), MIMO (Multiple Input Multiple Output), and the like. However, unlike LTE-FDD, TD-LTE belongs to a time division system, and needs to be integrated with a TD-SCDMA network that is also a time division system more in the networking process, so as not to introduce cross time slot interference, affect network quality and customer perception, which introduces the time slot configuration and optimization problem of TD-LTE.
The video monitoring service is not similar to the common 4G bearer service, the common 4G mainly provides network access to the mobile terminal, and the traffic mainly acts as the following. The video monitoring service is different, and for monitoring coding devices (such as IPC (IPCamera)), uplink bandwidth is used. For the decoding client, the downlink bandwidth is used.
The existing technical scheme is that the existing conventional 4G base station technology is uniformly adopted no matter the front-end coding device such as IPC or the rear-end decoding device.
The applicant finds in the course of implementing the present application that the above-mentioned prior art treatment solutions have at least the following problems:
at present, in the conventional 4G base station technology, a large amount of link channel bandwidth is allocated to downlink traffic, and only part of uplink bandwidth of the link channel is reserved, so that the current situation obviously does not conform to the actual application characteristics of video monitoring.
In addition, in the TD-LTE system, the existing 4G base station always uses a fixed ratio of uplink and downlink channel bandwidths (usually, the downlink channel bandwidth is much larger than the uplink channel bandwidth), and is not flexible enough in the video monitoring scenario.
At present, technologies based on bandwidth control and scheduling are all based on identifying and classifying various service flows in a fixed link channel bandwidth, and then performing priority scheduling, but if an actual service application flow bandwidth exceeds the link channel bandwidth, part of service flows are lost in any scheduling.
Disclosure of Invention
The embodiment of the application provides a dynamic adjustment method for bandwidth configuration and base station equipment, so as to achieve the purpose of reasonably allocating bandwidth configuration schemes of an uplink and a downlink according to the type of monitoring equipment accessed under the base station equipment, and maximize reasonable utilization of network resources.
In order to achieve the above technical object, the present application provides a method for dynamically adjusting bandwidth configuration, where the method specifically includes:
when the base station equipment receives a message reported by the monitoring equipment, judging whether the message is a registration message or not;
if the judgment result is yes, the base station equipment acquires the type information of the monitoring equipment carried in the registration message;
and the base station equipment adjusts the current bandwidth configuration scheme according to the type information and a preset bandwidth adjustment strategy.
Preferably, the adjusting, by the base station device, the current bandwidth configuration scheme according to the type information and a preset bandwidth adjustment policy specifically includes:
when the type information is specifically front-end coding equipment, the base station equipment increases the uplink resource allocation quantity in the current bandwidth allocation scheme, or selects a bandwidth allocation scheme of which the uplink resource allocation proportion is higher than that of the current bandwidth allocation scheme from a preset bandwidth allocation scheme set, and updates the selected bandwidth allocation scheme into the current bandwidth allocation scheme;
or the like, or, alternatively,
when the type information is specifically decoding equipment, the base station equipment increases the downlink resource configuration quantity in the current bandwidth configuration scheme, or selects a bandwidth configuration scheme of which the downlink resource configuration proportion is higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updates the selected bandwidth configuration scheme into the current bandwidth configuration scheme.
Preferably, after the base station device adjusts the current bandwidth configuration scheme according to the type information and a preset bandwidth adjustment policy, the method further includes:
the base station equipment monitors an interactive message reported by the currently registered monitoring equipment;
the base station equipment acquires bandwidth demand type information and bandwidth demand information carried in the interactive message;
and the base station equipment respectively carries out accumulation recording on the bandwidth demand quantities of different types.
Preferably, after the base station device respectively performs cumulative recording on the bandwidth demand amounts of different types, the method further includes:
the base station equipment acquires different types of bandwidth demands within a preset time range of current record;
the base station equipment adjusts the resource allocation quantity ratio of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, or selects a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth in a preset bandwidth allocation scheme set, and updates the selected bandwidth allocation scheme into the current bandwidth allocation scheme;
and the base station equipment clears the bandwidth demand information of which the recording time exceeds a preset time range and which is included in the accumulated records.
Preferably, after the base station device respectively performs cumulative recording on the bandwidth demand amounts of different types, the method further includes:
the base station equipment judges whether the current bandwidth resource allocation adjustment period is reached;
if so, the base station equipment acquires the bandwidth demand quantities of different types recorded in the current bandwidth resource allocation adjustment period;
the base station equipment adjusts the resource allocation quantity ratio of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, or selects a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth in a preset bandwidth allocation scheme set, and updates the selected bandwidth allocation scheme into the current bandwidth allocation scheme;
and the base station equipment deletes the bandwidth demands of different types recorded in the current bandwidth resource allocation adjustment period.
On the other hand, an embodiment of the present application further provides a base station device, which specifically includes:
the receiving module is used for receiving the message reported by the monitoring equipment;
the judging module is used for judging whether the message received by the receiving module is a registration message or not;
the acquisition module is used for acquiring the type information of the monitoring equipment carried in the registration message when the judgment result of the judgment module is the registration message;
and the adjusting module is used for adjusting the current bandwidth configuration scheme according to the type information acquired by the acquiring module and a preset bandwidth adjusting strategy.
Preferably, the adjusting module is specifically configured to:
when the type information is specifically front-end coding equipment, increasing the uplink resource configuration number in the current bandwidth configuration scheme, or selecting a bandwidth configuration scheme of which the uplink resource configuration proportion is higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme into the current bandwidth configuration scheme;
or the like, or, alternatively,
when the type information is specifically decoding equipment, increasing the configuration quantity of downlink resources in the current bandwidth configuration scheme, or selecting a bandwidth configuration scheme with a downlink resource configuration proportion higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme into the current bandwidth configuration scheme.
Preferably, the base station device further includes a recording module:
the judging module is further configured to judge whether the message received by the receiving module is an interactive message reported by a currently registered monitoring device;
the acquiring module is further configured to acquire bandwidth demand type information and bandwidth demand amount information carried in the interactive message when the determination result of the determining module is the interactive message;
and the recording module is used for cumulatively recording the bandwidth demands of different types acquired by the acquisition module.
Preferably, the first and second liquid crystal materials are,
the acquisition module is further configured to acquire different types of bandwidth demand amounts within a preset time range currently recorded by the recording module when the recording module completes the current cumulative recording;
the adjusting module is further configured to adjust a resource allocation quantity ratio of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth acquired by the acquiring module, or select, in a preset bandwidth allocation scheme set, a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, and update the selected bandwidth allocation scheme to the current bandwidth allocation scheme;
the recording module is further configured to clear bandwidth demand information, included in the cumulative record, of which the recording time exceeds a preset time range.
Preferably, the first and second liquid crystal materials are,
the judging module is also used for judging whether the current time reaches the bandwidth resource allocation adjusting period;
the acquiring module is further configured to acquire different types of bandwidth demand quantities recorded in the current bandwidth resource configuration adjustment period when the determination result of the determining module is reached;
the adjusting module is further configured to adjust a resource allocation quantity ratio of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth acquired by the acquiring module, or select, in a preset bandwidth allocation scheme set, a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, and update the selected bandwidth allocation scheme to the current bandwidth allocation scheme;
the recording module is further configured to delete different types of bandwidth demand quantities recorded in the current bandwidth resource allocation adjustment period after the adjustment module completes the bandwidth allocation adjustment of the current bandwidth resource allocation adjustment period.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the beneficial technical effects that:
the embodiment of the application discloses a dynamic adjustment method of bandwidth configuration and base station equipment, in the method, the base station equipment identifies registration messages reported by accessed monitoring equipment, acquiring the type information of the monitoring equipment in the received registration message, adjusting the strategy according to the acquired type information and the preset bandwidth, the current bandwidth allocation scheme is adjusted, and by applying the technical scheme provided by the embodiment of the application, the purpose of reasonably allocating the bandwidth allocation scheme of the uplink and the downlink can be realized according to the type of the monitoring equipment accessed under the base station equipment, the purpose of changing according to the requirements of different types of bandwidth resources is achieved, the effect of timely adjusting the bandwidth configuration scheme avoids the problem that one bandwidth configuration scheme cannot adapt to the change of bandwidth resource demand, and network resources are reasonably utilized to the maximum extent.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flowchart of a dynamic bandwidth configuration adjustment method according to an embodiment of the present application;
fig. 2 is a schematic diagram of a specific monitoring scenario proposed in the embodiment of the present application;
fig. 3 is a schematic flowchart of a method for dynamically adjusting bandwidth allocation in a specific application scenario according to an embodiment of the present application;
fig. 4 is a schematic diagram of a registration message in a specific application scenario provided in the embodiment of the present application;
fig. 5 is a schematic diagram of an interaction packet in a specific application scenario according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a base station device according to an embodiment of the present application.
Detailed Description
As stated in the background of the present application, in the existing resource allocation scheme, the base station device may use a bandwidth allocation scheme for a certain period of time according to the allocation until the next adjustment of the allocation scheme, so that the fixed bandwidth allocation scheme cannot adapt to the change of the bandwidth requirement, which may cause the situation that the bandwidth resource cannot meet the actual requirement and the bandwidth resource is wasted.
The inventor of the present application hopes that the method provided by the present application can achieve the purpose of reasonably allocating the bandwidth configuration schemes of the uplink and downlink according to the type of the monitoring device accessed under the base station device, achieve the effect of timely adjusting the bandwidth configuration schemes according to the bandwidth resource demand changes of different types, avoid the problem that one bandwidth configuration scheme cannot adapt to the bandwidth resource demand changes, and maximally and reasonably utilize network resources.
As shown in fig. 1, a schematic flow chart of a method for dynamically adjusting bandwidth configuration provided in an embodiment of the present application specifically includes:
step S101, when the base station equipment receives the message reported by the monitoring equipment, judging whether the message is a registration message.
The specific determination manner may be determined according to the characteristics of the registration packet in a specific application scenario, for example: the field information characteristics, the feature identifiers, the exclusive ports and the like, and the change of the specific judgment mode can be determined according to the actual needs, and the change does not influence the protection scope of the application.
If the judgment result is yes, executing the step S102;
if the judgment result is no, continuing to monitor the message until a new message is received, and executing the step S101 again.
Step S102, the base station equipment obtains the type information of the monitoring equipment carried in the registration message.
The specific obtaining manner may be determined according to specific field information in the message, and specific examples will be given later, and will not be described repeatedly here.
Step S103, the base station equipment adjusts the current bandwidth configuration scheme according to the type information and a preset bandwidth adjustment strategy.
In a specific application scenario, the processing procedure of this step specifically includes the following two cases:
case one, the type information is specifically a front-end encoding device. In this case, specific adjustment modes include the following two types:
the method I is based on configuration adjustment of an existing configuration scheme.
The base station equipment increases the uplink resource configuration quantity in the current bandwidth configuration scheme.
And a second mode is that the existing configuration scheme is replaced by a preset configuration scheme.
And selecting a bandwidth configuration scheme with an uplink resource configuration proportion higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme into the current bandwidth configuration scheme.
In any of the above manners, the purpose is to increase the number of uplink resource allocations in the channel resource allocation, so as to meet the uplink resource requirement of the front-end coding device.
Case two, the type information is specifically the decoding device. In this case, similar to the first case, the specific adjustment modes include the following two modes:
the method I is based on configuration adjustment of an existing configuration scheme.
The base station equipment increases the configuration quantity of downlink resources in the current bandwidth configuration scheme.
And a second mode is that the existing configuration scheme is replaced by a preset configuration scheme.
And selecting a bandwidth configuration scheme with a downlink resource configuration proportion higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme into the current bandwidth configuration scheme.
In any of the above manners, the purpose is to increase the number of downlink resource allocations in the channel resource allocation, and to meet the uplink resource requirement of the decoding device.
It should be further noted that, in an actual application scenario, in addition to the front-end encoding device and the decoding device, there may be other types of devices that have significantly large requirements for a certain type of bandwidth resources (uplink resources or downlink resources), and the resource adjustment process may also be referred to above, when such a device is registered, the current bandwidth configuration scheme is adjusted, and the resource requirement type of the device is adjusted in an inclined manner, so as to meet the resource requirement of the device, and more effectively utilize the current bandwidth resources. Such variations in device type do not affect the scope of protection of the present application.
Through the foregoing processing procedure, in the device registration process, the embodiment of the present application proposes a corresponding bandwidth configuration adjustment scheme, and further, with specific application of the device, after the registration phase, or when a terminal device requiring different resource types is accessed under the current base station device, the bandwidth configuration scheme also has an adjustment requirement, and the embodiment of the present application correspondingly proposes a further bandwidth configuration adjustment scheme, which is specifically described as follows:
after the bandwidth configuration adjustment process in the registration stage is completed, the base station device monitors the interactive message reported by the currently registered monitoring device, obtains the bandwidth demand type information and the bandwidth demand amount information carried in the corresponding interactive message, and respectively accumulates and records the bandwidth demand amounts of different types.
Through such processing, the base station apparatus makes cumulative records of the demand for bandwidth resources. And the processing scheme of applying such cumulative record for bandwidth configuration adjustment includes the following two schemes according to the difference of the adjustment triggering conditions.
And adjusting the scheme I by taking the received interactive message as a trigger condition.
And when the base station equipment receives the interactive message and finishes the accumulated record, the base station equipment acquires the bandwidth demands of different types within the currently recorded preset time range. The base station device determines the ratio of the cumulative required amount of the uplink bandwidth to the cumulative required amount of the downlink bandwidth accordingly, and the adjusting process according to the ratio may also be divided into two types, namely direct adjustment and scheme replacement, similar to the two adjusting manners given in step S103:
the method I is based on configuration adjustment of an existing configuration scheme.
And the base station equipment adjusts the ratio of the resource allocation quantity of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the accumulated demand of the uplink bandwidth to the accumulated demand of the downlink bandwidth.
And a second mode is that the existing configuration scheme is replaced by a preset configuration scheme.
In a preset bandwidth configuration scheme set, the base station device selects a bandwidth configuration scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, and updates the selected bandwidth configuration scheme to the current bandwidth configuration scheme.
In any of the above manners, the purpose is to adjust the uplink and downlink resource allocation ratio in the resource allocation to satisfy the current uplink and downlink resource demand ratio.
It should be further noted that, because the adjustment scheme is to trace back the accumulated records in a period of time from the time when the interactive message is received, the content of the accumulated records is also continuously updated along with the change of time, and the records exceeding the trace-back time range are aged. Therefore, in the adjusted scheme, the base station apparatus also needs to clear the bandwidth demand information included in the cumulative record whose recording time exceeds the preset time range.
And adjusting the scheme II by taking the adjusting period as a trigger condition.
The base station device performs timing and periodically adjusts the resource allocation scheme according to a fixed time length interval. In this case, the base station device only needs to pay attention to the time change, and needs to continuously accumulate and record the demand information acquired from the interactive message when the adjustment period is not reached.
Specifically, the base station device determines whether a bandwidth resource allocation adjustment period is currently reached.
And if so, the base station equipment acquires the bandwidth demands of different types recorded in the current bandwidth resource allocation adjustment period. The base station device determines the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth in the period accordingly. Similar to the two adjustment manners given in the previous step S103, the adjustment process according to the above ratio can be divided into two manners, namely direct adjustment and scheme replacement:
the method I is based on configuration adjustment of an existing configuration scheme.
And the base station equipment adjusts the ratio of the resource allocation quantity of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth.
And a second mode is that the existing configuration scheme is replaced by a preset configuration scheme.
And selecting a bandwidth configuration scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme to be the current bandwidth configuration scheme.
In any of the above manners, the purpose is to adjust the uplink and downlink resource allocation ratio in the resource allocation to satisfy the current uplink and downlink resource demand ratio.
After completing the bandwidth resource allocation adjustment processing in the bandwidth resource allocation adjustment period through the above process, the base station device deletes the bandwidth demand amounts of different types recorded in the current bandwidth resource allocation adjustment period, and starts the cumulative recording of a new bandwidth resource allocation adjustment period.
It should be noted that, the first adjustment scheme may trigger the adjustment process in real time to meet the requirement change of the bandwidth resource in time, and the second adjustment scheme may avoid frequent change of the bandwidth configuration scheme due to temporary bandwidth requirement fluctuation, thereby avoiding waste of the system resource caused by frequent change of the resource configuration. Specifically, which adjustment scheme can be adopted for adjustment according to actual needs, and such changes do not affect the protection scope of the present application.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the beneficial technical effects that:
the embodiment of the application discloses a dynamic adjustment method of bandwidth configuration and base station equipment, in the method, the base station equipment identifies registration messages reported by accessed monitoring equipment, acquiring the type information of the monitoring equipment in the received registration message, adjusting the strategy according to the acquired type information and the preset bandwidth, the current bandwidth allocation scheme is adjusted, and by applying the technical scheme provided by the embodiment of the application, the purpose of reasonably allocating the bandwidth allocation scheme of the uplink and the downlink can be realized according to the type of the monitoring equipment accessed under the base station equipment, the purpose of changing according to the requirements of different types of bandwidth resources is achieved, the effect of timely adjusting the bandwidth configuration scheme avoids the problem that one bandwidth configuration scheme cannot adapt to the change of bandwidth resource demand, and network resources are reasonably utilized to the maximum extent.
The technical solutions in the present application will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are some, not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the prior art, the subframe configuration of a radio frame of the TD-LTE system supports the following 7 DL (DownLink) UL (Up Link) matching modes, which are specifically as follows:
mode 0: 1 wireless frame comprises 2 downlink subframes, 6 uplink subframes and 2 special subframes;
mode 1: 1 wireless frame comprises 4 downlink subframes, 4 uplink subframes and 2 special subframes;
mode 2: 1 wireless frame comprises 6 downlink subframes, 2 uplink subframes and 2 special subframes;
mode 3: 1 wireless frame comprises 6 downlink subframes, 3 uplink subframes and 1 special subframe;
mode 4: 1 wireless frame comprises 7 downlink subframes, 2 uplink subframes and 1 special subframe;
mode 5: 1 wireless frame comprises 8 downlink subframes, 1 uplink subframe and 1 special subframe;
mode 6: the 1 radio frame includes 3 downlink subframes, 5 uplink subframes and 2 special subframes.
It is currently most common for operators to operate in mode 0 as an actual existing network.
At present, technologies based on bandwidth control and scheduling are all based on identifying and classifying various service flows in a fixed link channel bandwidth, and then performing priority scheduling, but if an actual service application flow bandwidth exceeds the link channel bandwidth, part of service flows are lost in any scheduling.
In order to solve the above problems in the prior art, an embodiment of the present application provides a method for dynamically adjusting bandwidth resources, where a base station device determines a type of a monitoring device connected to a downlink according to a message received by an air interface, and then reasonably allocates bandwidth of uplink and downlink channels according to bandwidth resource requirement characteristics of the monitoring device of the type, so as to implement maximum utilization of network resources.
As shown in fig. 2, which is a schematic diagram of a specific monitoring scenario proposed in the embodiment of the present application, video monitoring devices are hung below a 4G base station, and the video monitoring devices need to be accessed to a video management platform of a monitoring center through a certain protocol (GB 28181/ONVIF, or the like). The mobile acquisition vehicle acquires video information, uploads the video information to the 4G base station, and sends the video information to the mobile command vehicle through another 4G base station for video browsing after network forwarding. In such a monitoring scene, the mobile acquisition vehicle is equivalent to a front-end coding device and used for acquiring, coding and uploading monitoring information, and the mobile command vehicle is equivalent to a decoding device and used for browsing through decoding after receiving the forwarded monitoring information.
As shown in fig. 3, a schematic flow chart of a method for dynamically adjusting bandwidth configuration in a specific application scenario proposed in the embodiment of the present application is applied to the application scenario shown in fig. 2. The method specifically comprises the following steps:
step S301, the 4G base station receives the message sent by the lower connection device.
Step S302, the 4G base station judges whether the received message is a registration message.
Generally speaking, in the field of video monitoring, when a video terminal device accesses a network, a registration message needs to be sent to a video management server first, and information carried in the registration message includes relevant information of the registration terminal device, as shown in fig. 4, which is a schematic diagram of the registration message in a specific application scenario provided in the embodiment of the present application. The registration message includes, but is not limited to, information such as device type, device version, device IP address, etc.
In the example of the registration message shown in fig. 4, the 4G base station confirms that the message is a registration message through the Register information in the message.
Under normal conditions, a registration message sent by the video terminal equipment is sent to the video management server through the 4G base station, and the 4G base station listens to the registration message. The registration message has obvious characteristics, such as a fixed destination port number, field characteristics or other identification information, and can be used as an identification basis for the registration message, and which method is specifically adopted can be adjusted according to actual needs, and such changes do not affect the protection scope of the present application.
In this step, if it is confirmed that the message is a registration message, step S303 is performed, and if the message is not a registration message, step S305 is performed.
Step S303, the 4G base station acquires the equipment type information in the registration message.
Once the 4G base station device detects that a certain message is a registration message, it will continue to perform the next detection on the message, and extract the terminal device type information in the registration message.
After extracting the terminal device type, the 4G base station knows what type of video terminal device, front-end encoding device or back-end decoding device, is connected. As also shown in fig. 4, the 4G base station can extract a Device in the registration message: descriptor ═ information of HIC1621x22-C, so that the apparatus can be determined to be a front-end encoding apparatus.
And S304, the 4G base station adjusts the bandwidth configuration scheme according to the equipment type information.
For convenience of description, in the embodiment of the present application, the aforementioned 7 common DL: UL matching manners are used as a preset bandwidth configuration scheme set.
After identifying that the accessed terminal equipment is front-end coding equipment, the 4G base station selects a DL-to-UL matching mode with higher uplink resource configuration quantity according to the characteristic that the front-end coding equipment needs more uplink resources.
If the current DL to UL allocation mode is mode 1 and 4 uplink subframes are provided in 1 radio frame, the 4G base station selects mode 0 or mode 6 with more uplink subframes as a new bandwidth configuration scheme to update the current DL to UL allocation mode.
Of course, if the current DL to UL matching scheme is already mode 0 and is already the DL to UL matching scheme with the most uplink resources in 7 modes, the current DL to UL matching scheme will be maintained.
On the contrary, if the 4G base station recognizes that the accessed terminal device is the decoding device, the 4G base station selects the DL to UL matching mode with higher downlink resource configuration number according to the characteristic that the decoding device needs more downlink resources. Similarly, taking the current DL: UL matching mode as mode 1 as an example, the adjustment strategy in this step is to select mode 2, mode 3, mode 4 or mode 5 with more uplink subframes as a new bandwidth configuration scheme, and update the current DL: UL matching mode
It should be noted that, in the embodiment of the present application, 7 DL to UL matching manners are preset as an example for description, in practical applications, more types of DL to UL matching manners may be preset, or a DL to UL matching manner may be directly adjusted to update a bandwidth configuration scheme without being preset, such a change does not affect the protection range of the present application, and the following examples are similar to this and will not be repeated.
Through the above processing, in the device registration process, the 4G base station completes the adjustment processing of the corresponding bandwidth configuration scheme.
It should be noted that, the above adjustment process has no necessary requirement on the number of types of devices that have been accessed under the 4G base station, and if any monitoring device is not accessed under the 4G base station, it is necessary to select to increase uplink resources after it accesses a front-end coding device. However, if a decoding device is already accessed under the 4G base station, at this time, after a new front-end coding device is accessed, the uplink resources still need to be increased, because no matter how the previous resources are configured, the newly accessed front-end coding device necessarily needs more uplink resources, and increasing the uplink resource configuration becomes necessary, but only the resource increase amplitude is affected. For example, if a 4G base station that has accessed a decoding device currently adopts mode 1(4 uplink subframes), then, for example, when a new front-end coding device is accessed, the 4G base station will not increase uplink resources by a large margin in consideration of the fact that the decoding device has been accessed, and therefore, mode 0(6 uplink subframes) will not be selected, but only mode 6(5 uplink subframes) will be selected.
Step S305, the 4G base station judges whether the received message is an interactive message reported by the current registered monitoring equipment.
The interception of the interactive message is mainly to ensure that the bandwidth configuration scheme can be adjusted along with the change of the bandwidth requirement of the device after the registration process.
If the judgment result is negative, the message is not the message capable of reflecting the bandwidth requirement, further processing is not needed in the processing flow, and the processing flow is ended.
If the judgment result is yes, step S306 is executed.
It should be noted that, this embodiment is described by taking two message types, namely, a registration message and an interaction message, as an example, if other messages can also reflect bandwidth requirements of different terminal devices, the method may also be applied to the method provided in this embodiment, and a corresponding processing flow may also be added by referring to the processing of the interaction message, and such a change does not affect the protection scope of the present application.
Step S306, the 4G base station acquires the bandwidth demand type information and the bandwidth demand amount information carried in the interactive message.
Fig. 5 is a schematic diagram of an interactive packet in a specific application scenario provided in the embodiment of the present application. The 4G base station transmits the message through the Media Protocol: udp information may determine that the uplink bandwidth is required next at the sending end of the interactive packet. In addition, the 4G base station transmits the packet width value: 2048kb/s information, it can be determined that its demand for upstream bandwidth is 2048 kbps.
Step S307, the 4G base station carries out accumulation recording on the bandwidth demand information in the current adjustment period.
And the 4G base station performs cumulative record on the resource demand according to the type of the terminal equipment or the resource demand type.
For example, for a cumulative recording scenario based on the terminal device type and the resource demand, the recording result may be specifically shown in table 1:
table 1 resource demand cumulative record result based on terminal device type
| Terminal device type | Required code stream bandwidth |
| Decoding apparatus | 2048kbps |
| Front-end coding device | 4096kbps |
| Decoding apparatus | 1024kbps |
| …… | …… |
For the cumulative recording scenario based on the resource demand type and the resource demand amount, the recording result may be specifically shown in table 2:
TABLE 2 cumulative record of resource demand based on resource demand type
| Resource demand type | Required code stream bandwidth |
| Downstream bandwidth | 2048kbps |
| Upstream bandwidth | 4096kbps |
| Downstream bandwidth | 1024kbps |
| …… | …… |
In a specific application scenario, which recording mode is specifically adopted can be selected according to actual needs, and such changes do not affect the protection scope of the present application.
Step 308, the 4G base station determines whether the adjustment period is reached.
And the 4G base station equipment performs timing and periodically adjusts the resource configuration scheme according to a fixed time length interval. If yes, go to step S309;
if not, the process returns to step S308 to continue the determination.
In the embodiment of the present application, the second adjustment scheme taking the adjustment period as the trigger condition is taken as an example for explanation, in an actual application scenario, a processing scheme taking the received interactive packet as the trigger condition may also be adopted, which is not described separately herein, and both schemes have advantages and disadvantages, which have been discussed in the foregoing, and can be selected according to actual needs, and such changes all belong to the protection scope of the present application.
And S309, the 4G base station determines the proportion of different resource demands according to the current accumulated record result.
According to the cumulative record condition shown in table 1 in step S307, the 4G base station can calculate the total bandwidth required by the decoding device (i.e., the sum of the downlink bandwidths) and the total bandwidth required by the encoding device (i.e., the sum of the uplink bandwidths), so that the ratio of the sum of the uplink bandwidths to the sum of the downlink bandwidths can be determined.
And S310, the 4G base station adjusts the bandwidth configuration scheme according to the proportion information.
Similarly, taking an application scenario with 7 DL: UL matching modes as an example, if the ratio determined in step S309 is 11: 29, the one with the closest ratio result is selected as the final adjustment result in the preset 7 DL: UL ratio modes.
The results of performing proportional accounting on the preset 7 DL to UL proportioning modes are as follows:
mode 0: 1 radio frame includes 2 downlink subframes, 6 uplink subframes and 2 special subframes, that is, uplink and downlink proportion 3: 1;
mode 1: 1 radio frame includes 4 downlink subframes, 4 uplink subframes and 2 special subframes, that is, the uplink and downlink proportion is 1: 1;
mode 2: 1 radio frame includes 6 downlink subframes, 2 uplink subframes and 2 special subframes, that is, the uplink and downlink proportion is 1: 3;
mode 3: the 1 radio frame includes 6 downlink subframes, 3 uplink subframes and 1 special subframe, that is, the uplink and downlink proportion is 1: 2;
mode 4: the 1 radio frame includes 7 downlink subframes, 2 uplink subframes and 1 special subframe, that is, the uplink and downlink proportion is 2: 7;
mode 5: 1 radio frame includes 8 downlink subframes, 1 uplink subframe and 1 special subframe, that is, the uplink and downlink proportion is 1: 8;
mode 6: 1 radio frame includes 3 downlink subframes, 5 uplink subframes and 2 special subframes, that is, the uplink and downlink proportion is 5: 3.
based on 11 obtained in step S309: 29, the 4G base station may select mode 2 because, in the above results, 1: 3 and 11: 29 is the closest.
Step S311, the 4G base station deletes the accumulated data recorded in the current adjustment period.
Completion of this step indicates that the adjustment of the current adjustment period is complete and cumulative recording of a new adjustment period can begin.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the beneficial technical effects that:
the embodiment of the application discloses a dynamic adjustment method of bandwidth configuration and base station equipment, in the method, the base station equipment identifies registration messages reported by accessed monitoring equipment, acquiring the type information of the monitoring equipment in the received registration message, adjusting the strategy according to the acquired type information and the preset bandwidth, the current bandwidth allocation scheme is adjusted, and by applying the technical scheme provided by the embodiment of the application, the purpose of reasonably allocating the bandwidth allocation scheme of the uplink and the downlink can be realized according to the type of the monitoring equipment accessed under the base station equipment, the purpose of changing according to the requirements of different types of bandwidth resources is achieved, the effect of timely adjusting the bandwidth configuration scheme avoids the problem that one bandwidth configuration scheme cannot adapt to the change of bandwidth resource demand, and network resources are reasonably utilized to the maximum extent.
To more clearly illustrate the solution provided by the foregoing embodiment of the present application, based on the same inventive concept as the foregoing method, the embodiment of the present application further provides a base station device, a schematic structural diagram of which is shown in fig. 6, and the base station device specifically includes:
a receiving module 61, configured to receive a message reported by a monitoring device;
a judging module 62, configured to judge whether the message received by the receiving module 61 is a registration message;
an obtaining module 63, configured to obtain, when the determination result of the determining module 62 is a registration message, type information of the monitoring device carried in the registration message;
an adjusting module 64, configured to adjust the current bandwidth configuration scheme according to the type information acquired by the acquiring module 63 and a preset bandwidth adjustment policy.
Preferably, the adjusting module 64 is specifically configured to:
when the type information is specifically front-end coding equipment, increasing the uplink resource configuration number in the current bandwidth configuration scheme, or selecting a bandwidth configuration scheme of which the uplink resource configuration proportion is higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme into the current bandwidth configuration scheme;
or the like, or, alternatively,
when the type information is specifically decoding equipment, increasing the configuration quantity of downlink resources in the current bandwidth configuration scheme, or selecting a bandwidth configuration scheme with a downlink resource configuration proportion higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme into the current bandwidth configuration scheme.
Preferably, the base station device further includes a recording module 65:
the determining module 62 is further configured to determine whether the message received by the receiving module 61 is an interactive message reported by a currently registered monitoring device;
the obtaining module 63 is further configured to obtain bandwidth demand type information and bandwidth demand amount information carried in the interactive message when the determination result of the determining module 62 is the interactive message;
the recording module 65 is configured to perform cumulative recording on the bandwidth demands of different types respectively acquired by the acquiring module 63.
Preferably, the first and second liquid crystal materials are,
the obtaining module 63 is further configured to obtain bandwidth demand amounts of different types within a preset time range currently recorded by the recording module 65 when the recording module 65 completes the current cumulative record;
the adjusting module 64 is further configured to adjust a ratio of resource allocation quantities of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth acquired by the acquiring module 63, or select, in a preset bandwidth allocation scheme set, a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, and update the selected bandwidth allocation scheme to the current bandwidth allocation scheme;
the recording module 65 is further configured to clear bandwidth demand information included in the cumulative record, where the recording time exceeds a preset time range.
Preferably, the first and second liquid crystal materials are,
the judging module 62 is further configured to judge whether the current time reaches a bandwidth resource allocation adjustment period;
the obtaining module 63 is further configured to obtain bandwidth demand amounts of different types recorded in the current bandwidth resource allocation adjustment period when the determination result of the determining module 62 is reached;
the adjusting module 64 is further configured to adjust a ratio of resource allocation quantities of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth acquired by the acquiring module 63, or select, in a preset bandwidth allocation scheme set, a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, and update the selected bandwidth allocation scheme to the current bandwidth allocation scheme;
the recording module 65 is further configured to delete the bandwidth demand amounts of different types recorded in the current bandwidth resource allocation adjustment period after the adjustment module 64 completes the bandwidth allocation adjustment of the current bandwidth resource allocation adjustment period.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the beneficial technical effects that:
the embodiment of the application discloses a dynamic adjustment method of bandwidth configuration and base station equipment, in the method, the base station equipment identifies registration messages reported by accessed monitoring equipment, acquiring the type information of the monitoring equipment in the received registration message, adjusting the strategy according to the acquired type information and the preset bandwidth, the current bandwidth allocation scheme is adjusted, and by applying the technical scheme provided by the embodiment of the application, the purpose of reasonably allocating the bandwidth allocation scheme of the uplink and the downlink can be realized according to the type of the monitoring equipment accessed under the base station equipment, the purpose of changing according to the requirements of different types of bandwidth resources is achieved, the effect of timely adjusting the bandwidth configuration scheme avoids the problem that one bandwidth configuration scheme cannot adapt to the change of bandwidth resource demand, and network resources are reasonably utilized to the maximum extent.
Through the above description of the embodiments, it is clear to those skilled in the art that the embodiments of the present invention may be implemented by hardware, or by software plus a necessary general hardware platform. Based on such understanding, the technical solution of the embodiment of the present invention may be embodied in the form of a software product, where the software product may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network-side device, etc.) to execute the method described in each embodiment of the present invention.
Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the figures are not necessarily required to implement embodiments of the present invention.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The sequence numbers of the embodiments of the present invention are only for description, and do not represent the advantages and disadvantages of the implementation scenarios.
The above disclosure is only a few specific implementation scenarios of the embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations that can be considered by those skilled in the art should fall within the scope of the business limitations of the embodiments of the present invention.
Claims (6)
1. A method for dynamically adjusting bandwidth configuration is characterized in that the method specifically comprises the following steps:
when the base station equipment receives a message reported by the monitoring equipment, judging whether the message is a registration message or not;
if the judgment result is yes, the base station equipment acquires the type information of the monitoring equipment carried in the registration message;
the base station equipment adjusts the current bandwidth configuration scheme according to the type information and a preset bandwidth adjustment strategy;
the base station equipment monitors an interactive message reported by the currently registered monitoring equipment;
the base station equipment acquires bandwidth demand type information and bandwidth demand information carried in the interactive message;
the base station equipment respectively carries out cumulative record on the bandwidth demand of different types;
the base station equipment acquires different types of bandwidth demand within a preset time range recorded currently, adjusts the ratio of the resource allocation quantity of the uplink bandwidth and the downlink bandwidth in a current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, or selects a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth in a preset bandwidth allocation scheme set, and updates the selected bandwidth allocation scheme into the current bandwidth allocation scheme;
and the base station equipment clears the bandwidth demand information of which the recording time exceeds a preset time range and which is included in the accumulated records.
2. The method of claim 1, wherein the adjusting, by the base station device, the current bandwidth configuration scheme according to the type information and a preset bandwidth adjustment policy specifically includes:
when the type information is specifically front-end coding equipment, the base station equipment increases the uplink resource allocation quantity in the current bandwidth allocation scheme, or selects a bandwidth allocation scheme of which the uplink resource allocation proportion is higher than that of the current bandwidth allocation scheme from a preset bandwidth allocation scheme set, and updates the selected bandwidth allocation scheme into the current bandwidth allocation scheme;
or the like, or, alternatively,
when the type information is specifically decoding equipment, the base station equipment increases the downlink resource configuration quantity in the current bandwidth configuration scheme, or selects a bandwidth configuration scheme of which the downlink resource configuration proportion is higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updates the selected bandwidth configuration scheme into the current bandwidth configuration scheme.
3. The method of claim 1, wherein after the base station device respectively performs the cumulative record of the bandwidth demands of different types, the method further comprises:
the base station equipment judges whether the current bandwidth resource allocation adjustment period is reached;
if so, the base station equipment acquires the bandwidth demand quantities of different types recorded in the current bandwidth resource allocation adjustment period;
the base station equipment adjusts the resource allocation quantity ratio of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, or selects a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth in a preset bandwidth allocation scheme set, and updates the selected bandwidth allocation scheme into the current bandwidth allocation scheme;
and the base station equipment deletes the bandwidth demands of different types recorded in the current bandwidth resource allocation adjustment period.
4. A base station device, specifically comprising:
the receiving module is used for receiving the message reported by the monitoring equipment;
the judging module is used for judging whether the message received by the receiving module is a registration message or not;
the acquisition module is used for acquiring the type information of the monitoring equipment carried in the registration message when the judgment result of the judgment module is the registration message;
the adjusting module is used for adjusting the current bandwidth configuration scheme according to the type information acquired by the acquiring module and a preset bandwidth adjusting strategy;
the base station equipment also comprises a recording module;
the judging module is further configured to judge whether the message received by the receiving module is an interactive message reported by a currently registered monitoring device;
the acquiring module is further configured to acquire bandwidth demand type information and bandwidth demand amount information carried in the interactive message when the determination result of the determining module is the interactive message;
the recording module is used for cumulatively recording the bandwidth demands of different types acquired by the acquisition module;
the acquisition module is further configured to acquire different types of bandwidth demand amounts within a preset time range currently recorded by the recording module when the recording module completes the current cumulative recording;
the adjusting module is further configured to adjust a resource allocation quantity ratio of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth acquired by the acquiring module, or select, in a preset bandwidth allocation scheme set, a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, and update the selected bandwidth allocation scheme to the current bandwidth allocation scheme;
the recording module is further configured to clear bandwidth demand information, included in the cumulative record, of which the recording time exceeds a preset time range.
5. The base station device of claim 4, wherein the adjusting module is specifically configured to:
when the type information is specifically front-end coding equipment, increasing the uplink resource configuration number in the current bandwidth configuration scheme, or selecting a bandwidth configuration scheme of which the uplink resource configuration proportion is higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme into the current bandwidth configuration scheme;
or the like, or, alternatively,
when the type information is specifically decoding equipment, increasing the configuration quantity of downlink resources in the current bandwidth configuration scheme, or selecting a bandwidth configuration scheme with a downlink resource configuration proportion higher than that of the current bandwidth configuration scheme from a preset bandwidth configuration scheme set, and updating the selected bandwidth configuration scheme into the current bandwidth configuration scheme.
6. The base station apparatus of claim 4,
the judging module is also used for judging whether the current time reaches the bandwidth resource allocation adjusting period;
the acquiring module is further configured to acquire different types of bandwidth demand quantities recorded in the current bandwidth resource configuration adjustment period when the determination result of the determining module is reached;
the adjusting module is further configured to adjust a resource allocation quantity ratio of the uplink bandwidth and the downlink bandwidth in the current bandwidth allocation scheme according to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth acquired by the acquiring module, or select, in a preset bandwidth allocation scheme set, a bandwidth allocation scheme closest to the ratio of the cumulative demand of the uplink bandwidth to the cumulative demand of the downlink bandwidth, and update the selected bandwidth allocation scheme to the current bandwidth allocation scheme;
the recording module is further configured to delete different types of bandwidth demand quantities recorded in the current bandwidth resource allocation adjustment period after the adjustment module completes the bandwidth allocation adjustment of the current bandwidth resource allocation adjustment period.
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