CN101562891A - Method and device for allocating spectrum of wireless communication system - Google Patents
Method and device for allocating spectrum of wireless communication system Download PDFInfo
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- CN101562891A CN101562891A CNA2009100842441A CN200910084244A CN101562891A CN 101562891 A CN101562891 A CN 101562891A CN A2009100842441 A CNA2009100842441 A CN A2009100842441A CN 200910084244 A CN200910084244 A CN 200910084244A CN 101562891 A CN101562891 A CN 101562891A
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Abstract
The invention provides a method and a device for allocating a spectrum of a wireless communication system, and belongs to the field of communication. The method comprises the following steps: receiving a calling request, judging whether a neighbor cell of a cell has an idle channel when determining no idle channel exists in the cell; if judging that the neighbor cell has the idle channel, carrying out channel horizontal borrowing on the neighbor cell; otherwise, carrying out channel vertical borrowing on a cell on an upper layer or a lower layer of the cell; and allocating a borrowed signal to the calling. The method and the device have the advantages of high utilization rate of spectrum resources and high success rate of communication.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method and device of spectrum allocation may of wireless communication system.
Background technology
What traditional wireless communication system adopted is static spectrum allocation may strategy, and promptly authorized user has exclusivity to its frequency spectrum, and other users do not allow to use.Though this spectrum allocation may mode helps the service quality of the system that guarantees, because the lack of uniformity of communication service on region, time domain, frequency domain distribution, frequency spectrum resource is not fully used.In order to address the above problem, prior art provides several frequency spectrum distributing methods, comprises that specifically dynamic channel allocation and mixed channel distribute.No matter be that dynamic channel allocation or mixed channel distribute, its key technology is that frequency spectrum is used, frequency spectrum is used and can be divided into two big classes: the channel level is used use vertical with channel, wherein, the concrete grammar that the channel level is used can be referring to document FangXu-ming, Zhu Chang-qian, Fan Ping-zhi, " A channel borrowing assignment stragety withdirectional locking in mobile communication systems; " Journal of SouthWest JiaoTongUniversity, 2001,6; Channel is vertically used can be referring to document Zhao Fang-ming, Jiang Ling-ge, He Chen, " The channel borrowing based channel allocation sheme for heterogeneous wireless networks ", Journal of ShanghaiJiaoTong University, 2008,4.
In realizing process of the present invention, the inventor finds prior art, and there are the following problems:
Because the frequency spectrum distributing method that the scheme of prior art provides can only adopt the channel level to use or channel is vertically used, and above-mentioned two kinds of methods can't be combined, thereby causes frequency spectrum resource utilization rate not high.
Summary of the invention
The specific embodiment of the present invention provides a kind of method and device of spectrum allocation may of wireless communication system, and this method and device have the high advantage of frequency spectrum resource utilization rate.
The specific embodiment of the invention provides a kind of method of spectrum allocation may of wireless communication system, and this method comprises:
The call accepted request, and when not having idle channel, judge whether the neighbor cell of described this sub-district has idle channel in definite this sub-district;
As described in judging neighbor cell have idle channel then to as described in neighbor cell carry out the channel level and use;
Otherwise carrying out channel to the sub-district of the upper strata of described this sub-district or lower floor vertically uses;
Give described calling with the signal allocation of using.
The specific embodiment of the invention also provides a kind of device of spectrum allocation may of wireless communication system, and this device comprises:
Receiving element is used for the call accepted request,
Determining unit is used for determining whether this sub-district has idle channel,
Judging unit when being used for not having idle channel in definite this sub-district, judges whether the neighbor cell of described this sub-district has idle channel;
Level is used the unit, is used for having idle channel and then carrying out the channel level to described neighbor cell and use judging described neighbor cell;
Vertically use the unit, be used for when judging described neighbor cell and do not have idle channel, carry out channel to the sub-district of the upper strata of described this sub-district or lower floor and vertically use;
Allocation units, the signal allocation that is used for using is given described calling.
The technical scheme that is provided by the specific embodiment of the invention described above as can be seen, the described technical scheme of specific embodiments of the invention is after receiving call request, determine whether this sub-district has idle channel, when determining no idle channel, the mode that adopts the channel level to use is carried out channel and is used, using no channel as the channel level uses, the mode that then adopts channel vertically to use, and the channel allocation that will use is called out to this, thereby avoided using the calling that causes of failure and not having the situation that channel can be used owing to the channel level, increase the frequency spectrum resource utilization rate of wireless communication system, improved user's call successful rate.
Description of drawings
The flow chart of the method for the spectrum allocation may of the wireless communication system that Fig. 1 provides for the specific embodiment of the invention.
The structure chart of the spectrum allocation may device of the wireless communication system that Fig. 2 provides for the specific embodiment of the invention.
Embodiment
The specific embodiment of the invention provides a kind of method of spectrum allocation may of wireless communication system, and this method comprises the steps: as shown in Figure 1
Above-mentionedly judge whether this sub-district has the method for idle channel to be specifically as follows, and detects the idle channel number of this sub-district, as be lower than the setting threshold values, confirm that then this sub-district does not have idle channel, as be higher than the setting threshold values, confirm that then there is idle channel this sub-district; Can certainly judge whether idle channel by idleness, be specifically as follows, calculate the idleness of this sub-district, idleness=idle channel number/total channel is counted * 100%; Be higher than set point as this idleness, then judging does not have idle channel, as is lower than set point, and then judging has idle channel.Certainly judge that whether this sub-district has idle channel to also have other method, does not just give unnecessary details one by one here.
The set point of above-mentioned idleness can be 95%, can certainly according to circumstances be set at 80%, 85% or 90% etc., and the specific embodiment of the invention is not limited to the concrete numerical value of this set point.
Judge neighbor cell whether have idle channel concrete grammar can for, this sub-district sends idle channel to neighbor cell and detects request, after neighbor cell is received this request, judged whether idle channel, if any, then return idle channel and detect request responding, as not having, then do not return this idle channel and detect request responding, certainly in actual conditions, idle channel number that neighbor cell can directly have it or idleness are carried in the response of returning, and this sub-district judges whether neighbor cell has idle channel.Which floor sub-district above-mentioned sub-district to upper strata or lower floor can or go up for, last layer, or one deck or which floor sub-district down down, and the present invention does not limit to the concrete number of plies.Above-mentioned neighbor cell can for this sub-district with the layer neighbor cell.
Optionally, this method can also comprise after step 14:
Whether step 15, periodic detection have idle channel, as have idle channel, then return and use channel, and this calling is switched to the idle channel of this sub-district.
Certainly whether the detection in the above-mentioned steps 15 has idle channel also can be acyclic detection, and the specific embodiment of the invention is not limited to the concrete mode of this detection.
That finishes above-mentioned steps 11 to 15 all can be this sub-district.
The above-mentioned channel of will using is returned to the sub-district of adjacent sub-district, lower floor or the sub-district on upper strata, and with the idle channel of Call Transfer to this sub-district, make the frequency spectrum resource utilization rate of this sub-district further improve, and its use is the channel of this sub-district, so signal quality is also good than the channel quality of using.
The method that the specific embodiment of the invention provides is after receiving call request, determine whether this sub-district has idle channel, when determining no idle channel, the mode that adopts the channel level to use is carried out channel and is used, using no channel as the channel level uses, the mode that then adopts channel vertically to use, and the channel allocation that will use is called out to this, thereby avoided using the calling that causes of failure and not having the situation that channel can be used owing to the channel level, increase the frequency spectrum resource utilization rate of wireless communication system, improved user's call successful rate.
The specific embodiment of the invention is a kind of device of spectrum allocation may of wireless communication system also, this device as shown in Figure 2, comprise: receiving element 21, be used for the call accepted request, determining unit 22 is used for determining whether this sub-district has idle channel, judging unit 23, when being used for not having idle channel, judge whether the neighbor cell of this sub-district has idle channel in definite this sub-district; Level is used unit 24, is used for having idle channel and then carrying out the channel level to described neighbor cell and use judging neighbor cell; Vertically use unit 25, be used for when judging neighbor cell and do not have idle channel, carry out channel to the sub-district of the upper strata of this sub-district or lower floor and vertically use; Allocation units 26, the signal allocation that is used for using is given described calling.Said apparatus can be positioned at base station or relay station.
Optionally, above-mentioned determining unit 22 specifically can comprise:
Judge module 222 is used for being lower than the setting threshold values at the idle channel number, judges this sub-district and does not have idle channel.
Above-mentioned determining unit specifically can also comprise:
Above-mentioned judge module 222 also is used for when idleness is higher than set point, judges this sub-district and does not have idle channel.
Optionally, said apparatus can also comprise:
Return unit 27, be used for returning the channel of using, and this calling being switched to the idle channel that described this sub-district has detecting this sub-district when having idle channel.
Receiving element 21 in the device that the specific embodiment of the invention provides is after receiving call request, determine by determining unit 22 whether this sub-district has idle channel, when determining no idle channel, level is used the mode that unit 24 adopts the channel levels to use and is carried out channel and use, using no channel as the channel level uses, then by vertically using the mode that unit 25 adopts channel vertically to use, and call out to this by the channel allocation that allocation units 26 will be used, thereby avoided using the calling that causes of failure and not having the situation that channel can be used owing to the channel level, increase the frequency spectrum resource utilization rate of wireless communication system, improved user's call successful rate.
The described technical scheme of the specific embodiment of the invention has the frequency spectrum resource utilization rate height of wireless communication system, the advantage that the customer call success rate is high.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1, a kind of method of spectrum allocation may of wireless communication system is characterized in that, described method comprises:
The call accepted request, and when not having idle channel, judge whether the neighbor cell of described this sub-district has idle channel in definite this sub-district;
As described in judging neighbor cell have idle channel then to as described in neighbor cell carry out the channel level and use;
Otherwise carrying out channel to the sub-district of the upper strata of described this sub-district or lower floor vertically uses;
Give described calling with the signal allocation of using.
2, method according to claim 1 is characterized in that, the concrete grammar that described definite this sub-district does not have idle channel is:
Detect the idle channel number of this sub-district, the idle channel number is lower than the setting threshold values as described, and then definite this sub-district does not have idle channel.
3, method according to claim 1 is characterized in that, the concrete grammar that described definite this sub-district does not have idle channel is:
Detect the idle channel number of this sub-district, and count the computation-free rate according to described idle channel, idleness is higher than then definite this sub-district of set point does not as described have idle channel.
4, method according to claim 1 is characterized in that, the concrete grammar whether neighbor cell of judging described this sub-district has idle channel is:
This sub-district sends idle channel to described neighbor cell and detects request, and when described neighbor cell defines idle channel, then return described idle channel and detect request responding, otherwise, do not return described idle channel and detect request responding;
Or this sub-district sends idle channel detection request to described neighbor cell, described neighbor cell is carried at described idle channel with its idle channel number or idleness and detects request responding and return to described this sub-district, and described this sub-district judges according to described idle channel number or described idleness whether described neighbor cell has idle channel.
5, method according to claim 1 is characterized in that, described method also comprises after the signal allocation that will use is given described calling:
Detecting described this sub-district when having idle channel, returning the channel of using, and described calling is being switched to the idle channel that described this sub-district has.
6, a kind of device of spectrum allocation may of wireless communication system is characterized in that, described device comprises:
Receiving element is used for the call accepted request,
Determining unit is used for determining whether this sub-district has idle channel,
Judging unit when being used for not having idle channel in definite this sub-district, judges whether the neighbor cell of described this sub-district has idle channel;
Level is used the unit, is used for having idle channel and then carrying out the channel level to described neighbor cell and use judging described neighbor cell;
Vertically use the unit, be used for when judging described neighbor cell and do not have idle channel, carry out channel to the sub-district of the upper strata of described this sub-district or lower floor and vertically use;
Allocation units, the signal allocation that is used for using is given described calling.
7, device according to claim 6 is characterized in that, described determining unit specifically comprises:
Detection module is used to detect the idle channel number of this sub-district;
Judge module is used for being lower than the setting threshold values at described idle channel number, judges this sub-district and does not have idle channel.
8, device according to claim 6 is characterized in that, described determining unit specifically comprises:
Detection module is used to detect the idle channel number of this sub-district;
Computing module is used for counting the computation-free rate according to described idle channel;
Judge module is used for when described idleness is higher than set point, judges this sub-district and does not have idle channel.
9, device according to claim 6 is characterized in that, described device also comprises:
Return the unit, be used for returning the channel of using, and described calling being switched to the idle channel that described this sub-district has detecting described this sub-district when having idle channel.
10, device according to claim 6 is characterized in that, described device is positioned at base station or relay station.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100842441A CN101562891A (en) | 2009-05-15 | 2009-05-15 | Method and device for allocating spectrum of wireless communication system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083074A (en) * | 2011-01-19 | 2011-06-01 | 哈尔滨侨航通信设备有限公司 | Design method for realizing channel sharing of adjacent base stations |
| CN103634805A (en) * | 2013-12-05 | 2014-03-12 | 北京邮电大学 | Frequency reuse based LTE (long term evolution) network user switching type access method |
| WO2014166080A1 (en) * | 2013-04-10 | 2014-10-16 | 华为技术有限公司 | Method, apparatus and system for configuring carrier frequency |
| WO2015135205A1 (en) * | 2014-03-14 | 2015-09-17 | 华为技术有限公司 | Channel borrowing method and access point |
| CN105247923A (en) * | 2013-05-29 | 2016-01-13 | 里瓦达网络有限责任公司 | Methods and system for dynamic spectrum arbitrage with mobility management |
| WO2017092525A1 (en) * | 2015-11-30 | 2017-06-08 | 中兴通讯股份有限公司 | Resource allocation method and device |
-
2009
- 2009-05-15 CN CNA2009100842441A patent/CN101562891A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083074A (en) * | 2011-01-19 | 2011-06-01 | 哈尔滨侨航通信设备有限公司 | Design method for realizing channel sharing of adjacent base stations |
| WO2014166080A1 (en) * | 2013-04-10 | 2014-10-16 | 华为技术有限公司 | Method, apparatus and system for configuring carrier frequency |
| CN105103635A (en) * | 2013-04-10 | 2015-11-25 | 华为技术有限公司 | Method, apparatus and system for configuring carrier frequency |
| CN105247923A (en) * | 2013-05-29 | 2016-01-13 | 里瓦达网络有限责任公司 | Methods and system for dynamic spectrum arbitrage with mobility management |
| CN103634805A (en) * | 2013-12-05 | 2014-03-12 | 北京邮电大学 | Frequency reuse based LTE (long term evolution) network user switching type access method |
| CN103634805B (en) * | 2013-12-05 | 2017-05-24 | 北京邮电大学 | Frequency reuse based LTE (long term evolution) network user switching type access method |
| WO2015135205A1 (en) * | 2014-03-14 | 2015-09-17 | 华为技术有限公司 | Channel borrowing method and access point |
| CN105814958A (en) * | 2014-03-14 | 2016-07-27 | 华为技术有限公司 | Channel borrowing method and access point |
| CN105814958B (en) * | 2014-03-14 | 2019-05-28 | 华为技术有限公司 | Channel method and access point apparatus |
| WO2017092525A1 (en) * | 2015-11-30 | 2017-06-08 | 中兴通讯股份有限公司 | Resource allocation method and device |
| CN106817701A (en) * | 2015-11-30 | 2017-06-09 | 中兴通讯股份有限公司 | Resource allocation methods and device |
| CN106817701B (en) * | 2015-11-30 | 2020-05-05 | 中兴通讯股份有限公司 | Resource allocation method and device |
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Open date: 20091021 |