CN111385848B - Carrier reservation control method and device - Google Patents
Carrier reservation control method and device Download PDFInfo
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- CN111385848B CN111385848B CN201811608306.XA CN201811608306A CN111385848B CN 111385848 B CN111385848 B CN 111385848B CN 201811608306 A CN201811608306 A CN 201811608306A CN 111385848 B CN111385848 B CN 111385848B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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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
- H04L47/29—Flow control; Congestion control using a combination of thresholds
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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
- H04L47/82—Miscellaneous aspects
- H04L47/821—Prioritising resource allocation or reservation requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0076—Allocation utility-based
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application discloses a carrier reservation control method and device, comprising the following steps: the base station periodically counts the carrier utilization rate of the LTE system and/or the accessed user number of the LTE system according to a preset counting period; and the base station determines the current LTE reserved carrier number according to the carrier utilization rate counted in the current period and/or the accessed user number of the LTE system and the principle that the larger the carrier utilization rate or the user number is, the larger the LTE reserved carrier number is. By adopting the method and the device, the air interface resource waste caused by carrier reservation of LTE can be effectively reduced in the LTE and eMTC co-deployment scene.
Description
Technical Field
The present invention relates to mobile communication technology, and in particular, to a method and apparatus for controlling carrier reservation in a co-deployment scenario of Long Term Evolution (LTE) and enhanced machine type communication (eMTC).
Background
In the existing LTE and eMTC co-deployment scenario, in order to reduce the influence of eMTC on LTE performance, a certain number of carrier (NB) resources are generally reserved for LTE, and eMTC cannot be scheduled for use for these carrier resources.
The inventors found in the course of implementing the present invention that: in existing carrier reservation schemes, the number of NB reserved for LTE is fixed. Therefore, under the condition that the LTE service is lightly loaded and the eMTC is heavily loaded, on one hand, the reserved NB is not used by the LTE service, and on the other hand, the reserved NB is special for the LTE, so that the reserved NB cannot be used for eMTC users, and the problems of air interface resource waste and system performance reduction to a certain extent are caused.
Therefore, the existing mechanism for reserving carriers for LTE in the LTE and eMTC co-deployment scene has the problems of air interface resource waste and system performance influence.
Disclosure of Invention
Accordingly, the main objective of the present invention is to provide a method and apparatus for controlling carrier reservation, which can effectively reduce the air interface resource waste caused by carrier reservation of LTE in the scenario of co-deployment of LTE and eMTC.
In order to achieve the above purpose, the technical solution provided by the embodiment of the present invention is as follows:
a carrier reservation control method, comprising:
the base station periodically counts the carrier utilization rate of the LTE system and/or the accessed user number of the LTE system according to a preset counting period;
and the base station determines the current LTE reserved carrier number according to the carrier utilization rate and/or the accessed user number counted in the current period and according to the principle that the larger the carrier utilization rate or the user number is, the larger the LTE reserved carrier number is.
Preferably, the determining the current LTE reserved carrier number includes:
if the carrier utilization rate is smaller than or equal to a preset first utilization rate threshold value, determining that the current LTE reserved carrier number is a preset first number;
if the carrier utilization rate is greater than the first utilization rate threshold value and less than or equal to a preset second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset second number;
if the carrier utilization rate is greater than the second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset third number;
wherein the first utilization threshold value is smaller than the second utilization threshold value; the first number is less than the second number, and the second number is less than the third number.
Preferably, the first number is 0 or more.
Preferably, the statistical period is 1s.
The embodiment of the invention also provides a carrier reservation control device, which is arranged in the base station and comprises: a processor for:
periodically counting the carrier utilization rate of the LTE system and/or the number of accessed users of the LTE system according to a preset counting period;
and determining the current LTE reserved carrier number according to the carrier utilization rate counted in the current period and/or the accessed user number and according to the principle that the larger the carrier utilization rate or the user number is, the larger the LTE reserved carrier number is.
Preferably, the processor is specifically configured to: if the carrier utilization rate is smaller than or equal to a preset first utilization rate threshold value, determining that the current LTE reserved carrier number is a preset first number; if the carrier utilization rate is greater than the first utilization rate threshold value and less than or equal to a preset second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset second number; if the carrier utilization rate is greater than the second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset third number; wherein the first utilization threshold value is smaller than the second utilization threshold value; the first number is less than the second number, and the second number is less than the third number.
Preferably, the first number is 0 or more.
Preferably, the statistical period is 1s.
Embodiments of the present invention also provide a non-transitory computer readable storage medium storing instructions, which when executed by a processor, cause the processor to perform the steps of the carrier reservation control method as described above.
Embodiments of the present invention also provide an electronic device comprising a non-volatile computer readable storage medium as described above, and the processor having access to the non-volatile computer readable storage medium.
In summary, the carrier reservation control method and apparatus provided in the embodiments of the present invention periodically count the carrier utilization rate of the LTE system and/or the number of accessed users of the LTE system, grasp the LTE load situation in real time, and adaptively adjust the number of carriers reserved for the LTE system according to the principle that the number of reserved carriers is large if the load is large or the number of users is large, thereby effectively reducing resource waste caused by reserving carriers, and fully playing the advantages of reserving carriers for LTE.
Drawings
FIG. 1 is a flow chart of a method according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the embodiments, in order to make the objects, technical solutions and advantages of the present invention more apparent.
Fig. 1 is a flow chart of a method according to an embodiment of the present invention, as shown in fig. 1, a carrier reservation control method implemented in this embodiment mainly includes:
The method is used for acquiring carrier utilization rate of the LTE system and/or the number of accessed users of the LTE system so as to dynamically and adaptively adjust the number of reserved carriers of the LTE in real time based on the carrier utilization rate and the number of accessed users of the LTE system.
In practical applications, a person skilled in the art may set a suitable statistical period duration according to practical needs, and preferably, the statistical period may be 1s, but is not limited thereto.
In this step, because the current number of LTE reserved carriers is set according to the principle that the larger the carrier utilization rate or the number of users is, the number of LTE reserved carriers is not a static fixed value any more, but can be dynamically adjusted according to the actual carrier requirements of the LTE system, thereby effectively avoiding: in the LTE and eMTC co-deployment scene, the problem of resource waste and the problem of influenced eMTC system performance is caused by fixedly setting the LTE reserved carrier number.
Preferably, the following method may be used to determine the current number of LTE reserved carriers:
and if the carrier utilization rate is smaller than or equal to a preset first utilization rate threshold value, determining that the current LTE reserved carrier number is a preset first number.
And if the carrier utilization rate is greater than the first utilization rate threshold value and less than or equal to a preset second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset second number.
And if the carrier utilization rate is greater than the second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset third number.
Wherein the first utilization threshold value is smaller than the second utilization threshold value; the first number is less than the second number, and the second number is less than the third number.
In the above method, the first utilization threshold value, the second utilization threshold value, the first number, the second number and the third number may be set by those skilled in the art according to actual needs and constraint conditions in the above method. Preferably, the first number is 0 or more.
For example, the first utilization threshold value may be set to 10% and the first number may be set to 0; the second utilization threshold may be set to 40% and the second number may be set to 2; the third number may be set to 4.
The above method is only one embodiment of dynamically setting the number of LTE reserved carriers based on carrier utilization, and is not limited to this in practical application.
When the number of LTE reserved carriers needs to be dynamically set according to the carrier utilization rate of the LTE system and/or the number of accessed users of the LTE system, the method can be implemented as follows:
firstly, respectively carrying out normalization processing on the carrier utilization rate of the current statistics and the number of accessed users, then combining with preset weights to calculate and obtain a comprehensive data value, and then taking the number of LTE reserved carriers corresponding to the comprehensive data value as the number of the current LTE reserved carriers according to the comprehensive data value and preset comprehensive thresholds of different grades. This implementation is merely a preferred embodiment, and is not limited in practical application.
In practical application, a person skilled in the art can select a suitable specific scheme for dynamically setting the number of LTE reserved carriers according to actual needs. In addition, in practical application, the number of LTE reserved carriers may be set according to other parameters that can directly or indirectly reflect the resource utilization condition of the LTE system, which will not be described herein.
According to the embodiment of the method, the carrier utilization rate of the LTE system and/or the number of accessed users of the LTE system are/is counted periodically, the LTE load condition is mastered in real time, and the number of reserved carriers is adaptively adjusted according to the principle that the load is large or the number of users is large, so that the resource waste caused by reserved carriers can be effectively reduced, and meanwhile, the advantage of reserving carriers for LTE can be fully exerted.
Corresponding to the above method embodiment, the embodiment of the present invention further provides a carrier reservation control device, which is disposed in a base station, and includes: a processor for:
periodically counting the carrier utilization rate of the LTE system and/or the number of accessed users of the LTE system according to a preset counting period;
and determining the current LTE reserved carrier number according to the carrier utilization rate counted in the current period and/or the accessed user number and according to the principle that the larger the carrier utilization rate or the user number is, the larger the LTE reserved carrier number is.
Preferably, the processor is specifically configured to: if the carrier utilization rate is smaller than or equal to a preset first utilization rate threshold value, determining that the current LTE reserved carrier number is a preset first number; if the carrier utilization rate is greater than the first utilization rate threshold value and less than or equal to a preset second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset second number; if the carrier utilization rate is greater than the second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset third number; wherein the first utilization threshold value is smaller than the second utilization threshold value; the first number is less than the second number, and the second number is less than the third number.
Preferably, the first number is 0 or more.
Embodiments of the present invention also provide a non-transitory computer readable storage medium storing instructions, which when executed by a processor, cause the processor to perform the steps of the carrier reservation control method as described above.
Embodiments of the present invention also provide an electronic device comprising a non-volatile computer readable storage medium as described above, and the processor having access to the non-volatile computer readable storage medium.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A carrier reservation control method, comprising:
in an LTE and eMTC co-deployment scene, a base station periodically counts the carrier utilization rate of an LTE system and/or the number of accessed users of the LTE system according to a preset counting period;
and the base station determines the current LTE reserved carrier number according to the carrier utilization rate counted in the current period and/or the accessed user number and according to the principle that the larger the carrier utilization rate or the user number is, the larger the LTE reserved carrier number is, wherein the LTE reserved carrier is an LTE special carrier which can not be scheduled for use by eMTC.
2. The method of claim 1, wherein the determining the current number of LTE reserved carriers comprises:
if the carrier utilization rate is smaller than or equal to a preset first utilization rate threshold value, determining that the current LTE reserved carrier number is a preset first number;
if the carrier utilization rate is greater than the first utilization rate threshold value and less than or equal to a preset second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset second number;
if the carrier utilization rate is greater than the second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset third number;
wherein the first utilization threshold value is smaller than the second utilization threshold value; the first number is less than the second number, and the second number is less than the third number.
3. The method of claim 2, wherein the first number is greater than or equal to 0.
4. The method of claim 1, wherein the statistical period is 1s.
5. A carrier reservation control device, provided in a base station, comprising: a processor for:
under the LTE and eMTC co-deployment scene, periodically counting the carrier utilization rate of the LTE system and/or the number of accessed users of the LTE system according to a preset counting period;
and determining the current LTE reserved carrier number according to the carrier utilization rate counted in the current period and/or the accessed user number and according to the principle that the larger the carrier utilization rate or the user number is, the larger the LTE reserved carrier number is, wherein the LTE reserved carrier is an LTE special carrier which cannot be scheduled for use by eMTC.
6. The apparatus of claim 5, wherein the processor is specifically configured to: if the carrier utilization rate is smaller than or equal to a preset first utilization rate threshold value, determining that the current LTE reserved carrier number is a preset first number; if the carrier utilization rate is greater than the first utilization rate threshold value and less than or equal to a preset second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset second number; if the carrier utilization rate is greater than the second utilization rate threshold value, determining that the current LTE reserved carrier number is a preset third number; wherein the first utilization threshold value is smaller than the second utilization threshold value; the first number is less than the second number, and the second number is less than the third number.
7. The apparatus of claim 6, wherein the first number is greater than or equal to 0.
8. The apparatus of claim 5, wherein the statistical period is 1s.
9. A non-transitory computer readable storage medium storing instructions which, when executed by a processor, cause the processor to perform the steps of the carrier reservation control method of any of claims 1 to 4.
10. An electronic device comprising the non-volatile computer-readable storage medium of claim 9, and the processor having access to the non-volatile computer-readable storage medium.
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| WO2012104630A1 (en) * | 2011-02-04 | 2012-08-09 | Wireless Technology Solutions Llc | Inserting virtual carrier in conventional ofdm host carrier in communications system |
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| CN102695213B (en) * | 2011-03-22 | 2017-08-08 | 中兴通讯股份有限公司 | Joint transmission method and system |
| GB2506418A (en) * | 2012-09-28 | 2014-04-02 | Sony Corp | A base station allocates a centre frequency for an OFDM virtual channel in dependence upon a terminal's bandwidth capability |
| CN103731387B (en) * | 2012-10-15 | 2017-08-25 | 中国移动通信集团公司 | Carrier wave collocation and device, network side element, user equipment |
| EP2833672A1 (en) * | 2013-08-01 | 2015-02-04 | Alcatel Lucent | Methods and systems for LTE multi-carrier load balancing based on user traffic profile |
| CN105323770B (en) * | 2014-07-31 | 2019-01-01 | 中国移动通信集团公司 | The dilatation appraisal procedure and device of wireless communication system |
| CN104283662A (en) * | 2014-09-29 | 2015-01-14 | 北京邮电大学 | Resource allocation method and device |
| CN105530650B (en) * | 2014-10-22 | 2018-12-07 | 中国移动通信集团设计院有限公司 | A kind of method and device of network resource planning |
| CN106612522B (en) * | 2015-10-26 | 2020-06-30 | 大唐移动通信设备有限公司 | Method and device for configuring component carrier in LTE-A heterogeneous network |
| CN106982435B (en) * | 2016-01-19 | 2020-11-13 | 中国移动通信集团贵州有限公司 | Capacity adjustment method and device for F-band hybrid networking |
| JP7004739B2 (en) * | 2017-03-31 | 2022-01-21 | テレフオンアクチーボラゲット エルエム エリクソン（パブル） | Support for frequency duplication carriers |
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| WO2012104630A1 (en) * | 2011-02-04 | 2012-08-09 | Wireless Technology Solutions Llc | Inserting virtual carrier in conventional ofdm host carrier in communications system |
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| "R1-1718661 - reserved resources for NR coex with eMTC v0".3GPP tsg_ran\WG1_RL1.全文. * |
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