CN107567057B - Dynamic control method and device for improving cell uplink throughput and baseband board - Google Patents
Dynamic control method and device for improving cell uplink throughput and baseband board Download PDFInfo
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Abstract
The invention discloses a dynamic control method and device for improving cell uplink throughput and a baseband board. The method comprises the following steps: counting data of available load of a cell in N periods and the number of users of high-speed uplink packet access HSUPA (high speed uplink packet access) users sending data simultaneously, wherein N is a natural number greater than 1; establishing a relation model between the cell available load and the HSUPA user number for sending data simultaneously; setting different gear parameters of minimum scheduling authorization according to the relation model; and dynamically allocating the minimum scheduling authorization of the HSUPA user according to the relation model and the minimum scheduling authorization gear parameter. The method of the invention can improve the uplink throughput of the cell, thereby ensuring the experience of the user and fully utilizing the air interface resource of the cell.
Description
Technical Field
The invention relates to a universal mobile communication system, in particular to a dynamic control method, a dynamic control device and a baseband board for improving the uplink throughput of a cell in a Wideband Code Division Multiple Access (WCDMA) 3G base station system.
Background
3Gpp (3rd Generation Partnership Project) protocol after R6(Release 6) introduces High Speed Uplink Packet Access (HSUPA) technology, the types of traffic admitted by the base station in the uplink direction are richer, including R99(Release 99,99 version) and HSUPA traffic. With The development of 3G (The 3rd Generation telecommunications, third Generation mobile communication technology) technology and The proliferation of 3G users, higher requirements are also put on The processing capability of The base station. As a core processing module of the base station, the processing capability of the baseband processing board is a benchmark for measuring the processing capability of the base station.
After introducing the HSUPA technology, the base station adds a high-speed uplink packet Access MAC (Media Access Control) layer scheduler (hereinafter referred to as scheduler), and performs authorization adjustment on an HSUPA user accessing the base station through the scheduler to Control uplink interference.
The available load of the cell is determined and the scheduler allocates a scheduling grant based on the cell load and each HSUPA user request. Generally, a scheduler allocates a minimum scheduling grant to a user, calculates a corresponding grant through a GBR (Guaranteed Bit Rate) configured when a radio link is established, the minimum scheduling grant configuration of the current user is small (e.g., 24k or 16k), when a large amount of data needs to be transmitted, related parameters need to be reconfigured, data transmission delay is large, user experience is poor, the amount of data transmitted in a unit time is small, average throughput of a cell is low, and if the minimum scheduling grant is allocated to each user, but the user does not use the minimum scheduling grant, waste of air interface resources is also caused. At present, most of scheduling strategies adopted by equipment manufacturers and configured minimum scheduling authorization are obtained through GBR calculation. In this case, poor user experience and waste of air interface resources may be caused.
Disclosure of Invention
In view of this, the present invention provides a dynamic control method, an apparatus and a baseband board for improving uplink throughput of a cell, which can dynamically and accurately control minimum scheduling authorization, thereby improving uplink throughput of the cell, ensuring user experience, and simultaneously fully utilizing air interface resources of the cell.
To achieve the object of the present invention, in a first aspect, the present invention provides a dynamic control method for improving uplink throughput of a cell, including:
counting data of available load of a cell in N periods and the number of users of high-speed uplink packet access HSUPA (high speed uplink packet access) users sending data simultaneously, wherein N is a natural number greater than 1;
establishing a relation model between the cell available load and the HSUPA user number for sending data simultaneously;
setting different gear parameters of minimum scheduling authorization according to the relation model;
and dynamically allocating the minimum scheduling authorization of the HSUPA user according to the relation model and the minimum scheduling authorization gear parameter.
Further, the data for counting the cell available load of N periods and the number of high speed uplink packet access HSUPA users sending data simultaneously specifically includes:
counting the available load of the cell in the N periods according to the cell bottom noise, the current load of the cell and the cell bottom noise rise ROT parameter;
and counting the current total number of HSUPA users and the number of HSUPA users simultaneously sending data to obtain the ratio of the HSUPA users simultaneously sending data.
Further, the relation model is that a clustering algorithm is used for classifying the relation between the available load of the cell and the number of HSUPA users sending data at the same time into M classes, wherein M is a natural number larger than 1.
Further, the setting of different gear parameters of the minimum scheduling authorization specifically includes:
and calculating the ratio of the maximum value of the number of the HSUPA users sending data simultaneously in the N periods to the total number of the HSUPA users to obtain the lower limit value of the minimum scheduling authorization gear, wherein the lower limit value is the maximum value of the number of the HSUPA users sending data simultaneously in the minimum scheduling authorization upper limit value and N periods/the total number of the HSUPA users.
Further, the minimum scheduling grant interval is [ lower limit value, 31 ].
Further, the minimum scheduling grant interval is [ lower limit value, 31], and M gears are provided, corresponding to each class in the relationship model one to one.
Further, the dynamically allocating the minimum scheduling grant of the HSUPA user includes:
judging whether the category of the current relationship model and the category of the previous period relationship model change or not, if so, selecting a gear corresponding to the minimum scheduling authorization according to the current relationship model; if the current relation model is not changed, the minimum scheduling authorized gear is not changed;
and configuring all HSUPA users in the current period according to the minimum scheduling authorization gear corresponding to the current relation model.
In a second aspect, the present invention provides a dynamic control apparatus for improving uplink throughput of a cell, the apparatus comprising:
a counting unit, configured to count data of cell available loads of N periods and HSUPA user numbers sending data simultaneously, where N is a natural number greater than 1;
a modeling unit, configured to establish a relationship model between the cell available load and the number of HSUPA users sending data at the same time;
the setting unit is used for setting different gear parameters of minimum scheduling authorization according to the relation model;
and the allocation unit is used for dynamically allocating the minimum scheduling authorization of the HSUPA user according to the relation model and the minimum scheduling authorization gear parameter.
Further, the statistical unit is specifically configured to:
counting the available load of the cell in the N periods according to the cell bottom noise, the current load of the cell and the cell bottom noise rise ROT parameter;
and counting the current total number of HSUPA users and the number of HSUPA users simultaneously sending data to obtain the ratio of the HSUPA users simultaneously sending data.
Further, the modeling unit is specifically configured to: and classifying the relation between the available load of the cell and the number of HSUPA users sending data simultaneously into M classes by using a clustering algorithm, wherein M is a natural number greater than 1.
Further, the setting unit is specifically configured to:
and calculating the ratio of the maximum value of the number of HSUPA users simultaneously sending data in the N periods to the total number of the HSUPA users capable of being supported, and obtaining the lower limit value of the minimum scheduling authorization gear, wherein the lower limit value is the maximum value/total number of the HSUPA users simultaneously sending data in the N periods.
Further, the minimum scheduling grant interval is [ lower limit value, 31], and M gears are provided, corresponding to each class in the relationship model one to one.
Further, the allocation unit is specifically configured to:
judging whether the category of the current relationship model and the category of the previous period relationship model change or not, if so, selecting a gear corresponding to the minimum scheduling authorization according to the current relationship model; if the current relation model is not changed, the minimum scheduling authorized gear is not changed;
and configuring all HSUPA users in the current period according to the minimum scheduling authorization gear corresponding to the current relation model.
In a third aspect, the present invention provides a baseband board, where the baseband board includes the dynamic control apparatus for improving the uplink throughput of the cell. The base band plate is applied to a base station.
According to the relation model between the determined available load of the cell and the number of users sending data at the same time, the minimum scheduling authorization gear parameter is set, the minimum scheduling authorization is dynamically allocated to the HSUPA users in the cell, the uplink throughput of the cell can be improved, the user experience is guaranteed, and meanwhile air interface resources of the cell are fully utilized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic flowchart of a dynamic control method for improving uplink throughput of a cell according to an embodiment of the present invention;
FIG. 2 is a flow chart of dynamically allocating a minimum scheduling grant in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a dynamic control apparatus for improving uplink throughput of a cell according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
In order to solve the problems in the prior art, an embodiment of the present invention provides a dynamic control method for improving uplink throughput of a cell, where as shown in fig. 1 and fig. 2, the method includes:
to achieve the object of the present invention, in a first aspect, the present invention provides a dynamic control method for improving uplink throughput of a cell, including:
step 101: counting data of available load of a cell in N periods and the number of users of high-speed uplink packet access HSUPA (high speed uplink packet access) users sending data simultaneously, wherein N is a natural number greater than 1;
102, establishing a relation model between the available load of the cell and the number of HSUPA users sending data simultaneously;
step 103: setting different gear parameters of minimum scheduling authorization according to the relation model;
step 104: and dynamically allocating the minimum scheduling authorization of the HSUPA user according to the relation model and the minimum scheduling authorization gear parameter.
Further, step 101 may include:
counting the available load of the cell in the N periods according to the cell bottom noise, the current load of the cell and the cell bottom noise rise ROT parameter;
and counting the current total number of HSUPA users and the number of HSUPA users simultaneously sending data to obtain the ratio of the HSUPA users simultaneously sending data.
Further, step 102 may include:
and classifying the relation between the available load of the cell and the number of HSUPA users sending data simultaneously into M classes by using a clustering algorithm, wherein M is a natural number greater than 1.
Further, step 103 may include:
and calculating the ratio of the maximum value of the number of the HSUPA users sending data simultaneously in the N periods to the total number of the HSUPA users to obtain the lower limit value of the minimum scheduling authorization gear, wherein the lower limit value is the maximum value of the number of the HSUPA users sending data simultaneously in the minimum scheduling authorization upper limit value and N periods/the total number of the HSUPA users.
Further, the minimum scheduling grant interval is [ lower limit value, 31 ].
Further, the minimum scheduling grant interval is [ lower limit value, 31], and M gears are provided, corresponding to each class in the relationship model one to one.
Further, step 104 may include:
step 1041: counting the available load of a cell in a certain period and the number of HSUPA users sending data at the same time;
step 1042: judging whether the category of the current relation model and the category of the previous period relation model change or not; if the current relation model is changed, selecting a gear corresponding to the minimum scheduling authorization according to the current relation model;
step 1043: if the current relation model is not changed, the minimum scheduling authorized gear is not changed;
step 1044: and configuring all HSUPA users in the current period according to the minimum scheduling authorization gear corresponding to the current relation model.
The invention provides a dynamic control method for improving uplink throughput of a cell, which comprises the following steps: counting data of available load of a cell in N periods and the number of users of high-speed uplink packet access HSUPA (high speed uplink packet access) users sending data simultaneously, wherein N is a natural number greater than 1; establishing a relation model between the cell available load and the HSUPA user number for sending data simultaneously; setting different gear parameters of minimum scheduling authorization according to the relation model; and dynamically allocating the minimum scheduling authorization of the HSUPA user according to the relation model and the minimum scheduling authorization gear parameter. In the technical scheme of the invention, the scheduler dynamically allocates the minimum scheduling authorization to the HSUPA users in the cell according to the relation model between the determined cell load resource and the number of the users sending data, so that the uplink throughput of the cell can be improved, the user experience is ensured, and the air interface resource of the cell is fully utilized.
In order to make the technical solutions provided by the present invention more clearly understood, the following detailed description of the technical solutions of the present invention is provided by specific examples:
the scheduler first configures a function switch in the network management parameters to indicate whether to start the minimum scheduling authorization configuration function. Then, the scheduler turns on a switch to start a minimum scheduling grant configuration function.
The scheduler counts the available load of the cell in N periods according to the cell bottom noise, the current load of the cell and the cell bottom noise rise ROT parameter; and counting the current total number of HSUPA users and the number of HSUPA users simultaneously sending data in N periods to obtain the ratio of the HSUPA users simultaneously sending data. Wherein, the size of N can be set as a natural number larger than 1.
And according to the statistical data of the cell available load of N periods and the number of the users of the high-speed uplink packet access HSUPA for simultaneously sending data, a clustering algorithm is adopted to obtain a relation model of the cell available load and the number of the users of the high-speed uplink packet access HSUPA for simultaneously sending data. The method comprises the following specific steps:
the statistical data are: the cell available load and the number of HSUPA users sending data at the same time are recorded as a data set D, and each group of data in the data set D can be recorded as (the number of HSUPA users sending data at the same time and cell available load)
The operation step of dividing the data set D into M classes according to a clustering algorithm:
1. m elements are randomly taken from a data set D (cell available load, number of HSUPA users sending data at the same time) as the respective centers of M clusters.
2. And respectively calculating the dissimilarity degree of the rest elements to the centers of the M clusters, and classifying the elements into the cluster with the lowest dissimilarity degree. Calculating a dissimilarity degree formula: euclidean distance
3. And according to the clustering result, re-calculating the centers of the M clusters respectively by taking the arithmetic mean of the dimensions of all elements in the clusters.
4. Re-clustering all elements in the data set D (cell available load, number of HSUPA users sending data at the same time) according to the new center.
5. And repeating the step 4 until the clustering result is not changed any more.
6. And outputting the result, namely a relation model of the available load of the cell and the number of HSUPA users sending data simultaneously.
An exemplary description is as follows: the statistical cell available load and HSUPA user number data sets for simultaneously sending data in N periods are divided into 5 types, and the relation model of the cell available load and the HSUPA user number for simultaneously sending data is calculated by the method and is as follows:
| categories | 1 | 2 | 3 | 4 | 5 |
| Cell available load (DB) | 5.5 | 4 | 3 | 1 | 0 |
| HSUPA user number for simultaneous data transmission | 5 | 30 | 45 | 60 | 80 |
The cell available load in the above data is RNC configured, typically 6dB, i.e. without any traffic the available load is 6 dB. The total number of HSUPA users in a single cell is 96.
And calculating the ratio of the maximum value of the number of HSUPA users sending data simultaneously in N periods to the total number of the HSUPA users to obtain the lower limit value of the minimum scheduling authorization gear, wherein the lower limit value is the maximum value of the number of the HSUPA users sending data simultaneously in N periods/the total number of the HSUPA users. Wherein, the upper limit value of the minimum scheduling grant gear is 31, so the minimum scheduling grant interval is [ lower limit value, 31 ].
And if the relation model has M categories, setting M gear parameters of minimum scheduling authorization, and corresponding to each category in the relation model one by one.
Examples are illustrated below:
and 5 types of relation models are available, and the 5 types of minimum scheduling authorization parameter gears are corresponding. For example, if the lower limit of the minimum scheduling grant is 10, the minimum scheduling grant interval [10,31] is uniformly divided into 5 intervals [10,14], [14,18], [18,22], [22,26], [26,31], and the corresponding relationship between the minimum scheduling grant interval and the relationship model is specifically as follows:
the scheduler judges whether the type of the current relation model and the type of the relation model in the previous period are changed or not; if the change occurs, selecting the gear corresponding to the minimum scheduling authorization according to the relation model;
if the relation model is not changed, the gear of the minimum scheduling authorization of the previous period is used;
and configuring all HSUPA users in the current period according to the selected minimum scheduling authorization gear, thereby realizing the dynamic allocation of the minimum scheduling authorization to the HSUPA users.
The present invention also provides a dynamic control apparatus 10 for improving uplink throughput of a cell, as shown in fig. 3, including:
a counting unit 11, configured to count data of cell available loads and HSUPA user numbers that send data simultaneously in N periods, where N is a natural number greater than 1;
a modeling unit 12, configured to establish a relationship model between the cell available load and the number of HSUPA users sending data at the same time;
a setting unit 13, configured to set different gear parameters of minimum scheduling authorization according to the relationship model;
and the allocating unit 14 is configured to dynamically allocate the minimum scheduling grant of the HSUPA user according to the relationship model and the minimum scheduling grant gear parameter.
Further, the statistical unit 11 is specifically configured to:
counting the available load of the cell in the N periods according to the cell bottom noise, the current load of the cell and the cell bottom noise rise ROT parameter;
and counting the current total number of HSUPA users and the number of HSUPA users simultaneously sending data to obtain the ratio of the HSUPA users simultaneously sending data.
Further, the modeling unit 12 is specifically configured to: and classifying the relation between the available load of the cell and the number of HSUPA users sending data simultaneously into M classes by using a clustering algorithm, wherein M is a natural number greater than 1.
Further, the setting unit 13 is specifically configured to:
and calculating the ratio of the maximum value of the number of HSUPA users simultaneously sending data in the N periods to the total number of the HSUPA users capable of being supported, and obtaining the lower limit value of the minimum scheduling authorization gear, wherein the lower limit value is the maximum value/total number of the HSUPA users simultaneously sending data in the N periods.
Further, the minimum scheduling grant interval is [ lower limit value, 31], and M gears are provided, corresponding to each class in the relationship model one to one.
Further, the allocation unit 14 is specifically configured to:
judging whether the category of the current relationship model and the category of the previous period relationship model change or not, if so, selecting a gear corresponding to the minimum scheduling authorization according to the current relationship model; if the current relation model is not changed, the minimum scheduling authorized gear is not changed;
and configuring all HSUPA users in the current period according to the minimum scheduling authorization gear corresponding to the current relation model.
The present embodiment is used to implement the foregoing method embodiments, and the workflow and the working principle of each unit in the present embodiment refer to the description in the foregoing embodiments, which are not described herein again.
The dynamic control device for improving the cell uplink throughput provided by the embodiment of the invention counts the cell available load of N periods and the data of the number of users of high-speed uplink packet access HSUPA (high speed uplink packet access) users which send data simultaneously, wherein N is a natural number greater than 1; establishing a relation model between the cell available load and the HSUPA user number for sending data simultaneously; setting different gear parameters of minimum scheduling authorization according to the relation model; and dynamically allocating the minimum scheduling authorization of the HSUPA user according to the relation model and the minimum scheduling authorization gear parameter. In the technical scheme of the invention, the scheduler sets the minimum scheduling authorization gear parameter according to the relation model between the determined available load of the cell and the number of users sending data at the same time, dynamically allocates the minimum scheduling authorization to the HSUPA users in the cell, can improve the uplink throughput of the cell, ensures the user experience, and simultaneously fully utilizes the air interface resources of the cell.
An embodiment of the present invention provides a baseband board, including the above dynamic control apparatus 10 for improving uplink throughput of a cell. The base band plate is applied to a base station.
The embodiment of the invention also provides a storage medium. Alternatively, in this embodiment, the storage medium may be configured to store program codes for executing the steps of the above method embodiments.
Optionally, the storage medium is further arranged to store program code for performing the steps of the above described method embodiments.
Optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Optionally, in this embodiment, the scheduler performs the steps of the above-described embodiment method according to program codes stored in the storage medium.
Optionally, the specific examples in this embodiment may refer to the examples described in the above method embodiment and optional implementation, and this embodiment is not described herein again.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. A dynamic control method for improving uplink throughput of a cell is characterized by comprising the following steps:
counting data of available load of a cell in N periods and the number of users of high-speed uplink packet access HSUPA (high speed uplink packet access) users sending data simultaneously, wherein N is a natural number greater than 1;
establishing a relation model between the cell available load and the HSUPA user number for sending data simultaneously; the relation model is used for classifying the relation between the available load of the cell and the number of HSUPA users sending data at the same time into M classes by using a clustering algorithm, wherein M is a natural number greater than 1;
setting different gear parameters of minimum scheduling authorization according to the relation model;
and dynamically allocating the minimum scheduling authorization of the HSUPA user according to the relation model and the minimum scheduling authorization gear parameter.
2. The method according to claim 1, wherein the counting data of the cell available load for N periods and the number of High Speed Uplink Packet Access (HSUPA) users transmitting data simultaneously specifically comprises:
counting the available load of the cell in the N periods according to the cell bottom noise, the current load of the cell and the cell bottom noise rise ROT parameter;
and counting the current total number of HSUPA users and the number of HSUPA users simultaneously sending data to obtain the ratio of the HSUPA users simultaneously sending data.
3. The method according to claim 1, wherein the setting of different gear parameters of the minimum scheduling grant specifically includes:
and calculating the ratio of the maximum value of the number of the HSUPA users sending data simultaneously in the N periods to the total number of the HSUPA users to obtain the lower limit value of the minimum scheduling authorization gear, wherein the lower limit value is the maximum value of the number of the HSUPA users sending data simultaneously in the minimum scheduling authorization upper limit value and N periods/the total number of the HSUPA users.
4. The method of claim 3, wherein the minimum scheduling grant interval is [ lower bound, 31 ].
5. The method according to claim 4, wherein the minimum scheduling grant interval is [ lower limit, 31], and there are M steps, one for each class in the relationship model.
6. The method of claim 5, wherein said dynamically allocating the minimum scheduling grant for the HSUPA user comprises:
judging whether the category of the current relationship model and the category of the previous period relationship model change or not, if so, selecting a gear corresponding to the minimum scheduling authorization according to the current relationship model; if the current relation model is not changed, the minimum scheduling authorized gear is not changed;
and configuring all HSUPA users in the current period according to the minimum scheduling authorization gear corresponding to the current relation model.
7. A dynamic control device for improving uplink throughput of a cell, comprising:
a statistic unit, configured to count data of cell available load of N periods and the number of high speed uplink packet access HSUPA users sending data simultaneously, where N is a natural number greater than 1;
a modeling unit, configured to establish a relationship model between the cell available load and the number of HSUPA users sending data at the same time; the modeling unit is specifically configured to: classifying the relation between the available load of a cell and the number of HSUPA users sending data simultaneously into M classes by using a clustering algorithm, wherein M is a natural number greater than 1;
the setting unit is used for setting different gear parameters of minimum scheduling authorization according to the relation model;
and the allocation unit is used for dynamically allocating the minimum scheduling authorization of the HSUPA user according to the relation model and the minimum scheduling authorization gear parameter.
8. The apparatus according to claim 7, wherein the statistical unit is specifically configured to:
counting the available load of the cell in the N periods according to the cell bottom noise, the current load of the cell and the cell bottom noise rise ROT parameter;
and counting the current total number of HSUPA users and the number of HSUPA users simultaneously sending data to obtain the ratio of the HSUPA users simultaneously sending data.
9. The apparatus according to claim 7, wherein the setting unit is specifically configured to:
and calculating the ratio of the maximum value of the number of HSUPA users simultaneously sending data in the N periods to the total number of the HSUPA users capable of being supported, and obtaining the lower limit value of the minimum scheduling authorization gear, wherein the lower limit value is the maximum value/total number of the HSUPA users simultaneously sending data in the N periods.
10. The apparatus according to claim 9, wherein the minimum scheduling grant interval is [ lower limit, 31], and there are M steps, one for each class in the relationship model.
11. The apparatus according to claim 10, wherein the allocation unit is specifically configured to:
judging whether the category of the current relationship model and the category of the previous period relationship model change or not, if so, selecting a gear corresponding to the minimum scheduling authorization according to the current relationship model; if the current relation model is not changed, the minimum scheduling authorized gear is not changed;
and configuring all HSUPA users in the current period according to the minimum scheduling authorization gear corresponding to the current relation model.
12. A base strip plate comprising the device of any one of claims 7 to 11.
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| CN105517177A (en) * | 2015-12-10 | 2016-04-20 | 北京大学 | Small data packet scheduling method of uplink grouping access system |
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| CN101378534A (en) * | 2007-08-29 | 2009-03-04 | 中兴通讯股份有限公司 | Method and system for scheduling medium access control layer of high speed ascending packet access |
| CN102083216A (en) * | 2009-11-27 | 2011-06-01 | 鼎桥通信技术有限公司 | Resource distribution method in HSUPA (High Speed Uplink Packet Access) system |
| CN101742564A (en) * | 2009-12-31 | 2010-06-16 | 中兴通讯股份有限公司 | Authorization allocating method and device of HSUPA (high speed uplink packet access) network |
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