CN103687012A - Method and device for managing spectrum resources in cognitive radio system - Google Patents
Method and device for managing spectrum resources in cognitive radio system Download PDFInfo
- Publication number
- CN103687012A CN103687012A CN201210341381.0A CN201210341381A CN103687012A CN 103687012 A CN103687012 A CN 103687012A CN 201210341381 A CN201210341381 A CN 201210341381A CN 103687012 A CN103687012 A CN 103687012A
- Authority
- CN
- China
- Prior art keywords
- resource
- frequency spectrum
- base station
- spectrum resource
- reprovision
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 222
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000001149 cognitive effect Effects 0.000 title claims abstract description 20
- 238000007726 management method Methods 0.000 claims description 63
- 238000013468 resource allocation Methods 0.000 claims description 31
- 230000004044 response Effects 0.000 claims description 6
- 102000006463 Talin Human genes 0.000 description 11
- 108010083809 Talin Proteins 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 11
- 238000013439 planning Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method and device for managing spectrum resources in a cognitive radio system. A base station conducts resource scheduling according to resource configuration information issued by a network side, wherein the resource configuration information comprises a spectrum resource distributed for the base station and the attribute of the distributed spectrum resource. When the system or the base station conduct resource reconfiguration, the base station supplies reserved part or all of the spectrum resource to adjacent base stations or the network side according to the resource configuration information. The method and the device can effectively increase the resource reconfiguration efficiency, reduce the processing time of reconfigured resource, and reduce the influence on the service quality of customer business.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to method and the device of a kind of cognitive radio system intermediate frequency spectrum resource management.
Background technology
At cognitive radio system (Cognitive Radio System, referred to as CRS) in relate to plurality of application scenes, international mobile band (International Mobile Telecommunication Bands, referred to as IMT-Bands) main application scenarios in system has: 1) conventional wireless access technology (Radio Access Technology, referred to as RAT) frequency spectrum reform (Spectrum Refarming), layout new technology in the frequency range of conventional wireless techniques, as at existing GSM (Global System for Mobile communication, global system for mobile communications) (the Long Term Evolution of layout L TE on the frequency band that technology is used, long evolving system) technology, 2) optimization of wireless system resources, be different from using of wireless access technology resource, as UMTS (Universal Mobile Telecommunication System, universal mobile telecommunications system) current business is too much, resource is nervous, the GSM technology that business is less, resource is available free that can be adjacent on same base station or on region is carried out resource borrowing, and using the idle frequency spectrum resource of GSM is UMTS business service, 3) RAT that layout is new on existing wireless system or carry out system upgrade, as being upgraded to UMTS HSPA+ technology (High Speed Packet Access, high-speed packet access), 4) the negotiation use of the business of carrying in multiple types TDD (Time Division Duplex, time division duplex) and FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)) resource etc.
Above-mentioned application scenarios all relates to planning and the distribution of frequency spectrum resource, for not traffic affecting continuity and service quality, must consider the reprovision efficiency in reprovision process.In the fixed frequency range resource that the current utilization for resource is base station to distribute at network side, according to the type of service of terminal request, carry out scheduling of resource distribution.At TV idle frequency spectrum (TV White Space, referred to as TVWS) in system, in order to reduce subsystem to the interference of primary user TV system and to improve the utilance of subsystem to idle frequency spectrum resource, operable television channel has been divided into different set and priority, thereby has improved the efficiency of reprovision.
For the resource reconfiguration under IMT-Band system, different with the reprovision mechanism under TV system.Because the base station under IMT-Band system has been allocated the operable resource of frequency range in advance, if there is the integrated planning strategy of resource traffic overload or operator in a certain system or base station while changing, the frequency spectrum resource between system/base station need to reshuffle (prerequisite be each system or base station must support can reprovision frequency spectrum resource).Network side distributes and during follow-up resource reprovision in the resource of each system of planning, because the frequency band range that each system is supported is limited, or in certain frequency band range, only support the partial frequency spectrum resource in frequency band, network side is deciding according to the utilization of resources information of base station side can carry out the frequency spectrum resource of reprovision time, this process must consume a large amount of processing times, thereby has affected reprovision efficiency.In addition, system is when carrying out resource reprovision, and the distribution of resource also may bring adjacent band interference, affects the stability of system and the service quality rating of reliability and business.
Summary of the invention
The technical problem that the present invention solves is to provide method and the device of a kind of cognitive radio system intermediate frequency spectrum resource management, can effectively improve resource reprovision efficiency, reduces the processing time of reprovision resource, reduces the impact on customer service service quality.
For solving the problems of the technologies described above, the invention provides the method for a kind of cognitive radio system intermediate frequency spectrum resource management,
The resource allocation information that base station issues according to network side carries out scheduling of resource, wherein, described resource allocation information, be included as described base station assigns frequency spectrum resource and distribute the attribute of frequency spectrum resource;
When described system or described base station generation resource reprovision, described base station, according to described resource allocation information, offers adjacent base station or network side by reserved part or all of frequency spectrum resource.
Further, the attribute of described frequency spectrum resource, comprising:
The first frequency spectrum resource, refers to meet the needed frequency spectrum resource of described base station minimum capacity demand;
The second frequency spectrum resource, refers to distribute in the frequency spectrum resource of described base station, the frequency spectrum resource beyond described the first frequency spectrum resource.
Further, described the second frequency spectrum resource, comprising:
Frequency spectrum resource that can reprovision, refers to the frequency spectrum resource of reserving and can offer adjacent system or adjacent base station; And/or,
Specific frequency spectrum resource, refers to the frequency spectrum resource of reserving and can only offer specific system or base station.
Further, described network side is determined the attribute of distribute of frequency spectrum resource according to a kind of of following factor or any multiple combination:
The duration of load application Distribution Statistics of base station, frequency interferences, the stability in system reprovision cycle.
Further, described specific system or base station are configured by network side, and the information that comprises described specific system or base station in being handed down to the described resource allocation information of described base station;
Wherein, described specific system or base station, comprising: the region of community, Microcell or capacity bursts that capacity strengthens.
Further, described network side is according to traffic load state and the resource utilization of base station, while knowing the first BTS service load overload and the second BTS service load lower than predetermined threshold, the second frequency spectrum resource described the second base station being provided is distributed to described the first base station;
Scheduling of resource is carried out according to described the second frequency spectrum resource getting in described the first base station.
Further, during the first BTS service load overload, to the second adjacent base station, send current traffic load state and resource utilization, and the band resource of supporting;
Described the second base station, according to the traffic load state of self and/or described resource allocation information, sends response message to described the first base station, and the second frequency spectrum resource providing to described the first base station is provided described response message;
Scheduling of resource is carried out according to described the second frequency spectrum resource getting in described the first base station.
In addition, the present invention also provides the device of a kind of cognitive radio system intermediate frequency spectrum resource management, is applied to network side, and described device comprises:
Resource decision issues module, for to base station down distributing resource configuration information, described resource allocation information be included as described base station assigns frequency spectrum resource and distribute the attribute of frequency spectrum resource;
Resource reprovision administration module, for when resource reprovision occurs in the first base station, the reserved frequency spectrum resource that the second base station is provided is distributed to described the first base station.
Further, described resource decision issues module, for being divided into following attribute for the frequency spectrum resource of described base station assigns:
The first frequency spectrum resource, refers to meet the needed frequency spectrum resource of described base station minimum capacity demand;
The second frequency spectrum resource, refers to distribute in the frequency spectrum resource of described base station, the frequency spectrum resource beyond described the first frequency spectrum resource;
Wherein, described the second frequency spectrum resource, further comprises:
Frequency spectrum resource that can reprovision, refer to reserve and can offer the frequency spectrum resource that adjacent system or adjacent base station are shared load; And/or,
Specific frequency spectrum resource, refers to the frequency spectrum resource of reserving and can only offer specific system or base station.
In addition, the present invention also provides the device of a kind of cognitive radio system intermediate frequency spectrum resource management, is applied to base station side, and described device comprises:
Scheduling of resource module, carries out scheduling of resource for the resource allocation information issuing according to network side;
Resource reprovision module, for when resource reprovision occurs for system or base station, according to described resource allocation information, offers adjacent base station or network side by reserved part or all of frequency spectrum resource;
Wherein, described resource allocation information, comprise frequency spectrum resource that network side is described base station assigns and the attribute of distribution frequency spectrum resource.
Compared with prior art, the present invention at least has following beneficial effect: the present invention is by carrying out the division of attribute to the frequency spectrum resource of the different frequency range of base station side use, when system generation resource reprovision, can effectively improve resource reprovision efficiency, reduce the processing time of resource reprovision, reduce the impact on customer service service quality.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is method flow schematic diagram provided by the invention;
Fig. 2 is the interior dynamic spectrum resource management scene schematic diagram of the gsm system of the embodiment of the present invention one;
Fig. 3 is the interior dynamic spectrum resource management scene schematic diagram of the LTE system of the embodiment of the present invention two;
Fig. 4 is the dynamic spectrum resource management scene schematic diagram between the system of the embodiment of the present invention three;
Fig. 5 is the specific dynamic spectrum resource management scene schematic diagram of the embodiment of the present invention four;
Fig. 6 is the schematic block diagram of the network side of the embodiment of the present invention and the cognitive radio system intermediate frequency spectrum resource management apparatus of base station side.
Embodiment
For the problem that in cognitive radio system, resource reprovision frequency spectrum brings, present embodiment provides the method for a kind of cognitive radio system intermediate frequency spectrum resource management, the frequency spectrum resource of base station assigns is configured to different attributes for the different resources of frequency range, thereby when system resource reprovision, can effectively select can reprovision the resource of frequency range, thereby improved resource reprovision efficiency and the QoS under IMT-Band system.
As shown in Figure 1, the method for the cognitive radio system intermediate frequency spectrum resource management that present embodiment provides, adopts following technical scheme:
Base station receives the resource allocation information issuing from network side, carries out scheduling of resource;
When system (if no special instructions, alleged " system " refers to the mobile communication system that has adopted cognitive radio technology herein) or base station while there is resource reprovision, base station provides part or all of frequency spectrum resource reserved in the frequency spectrum resource of distributing to this base station according to described resource allocation information to network side or adjacent base station.
Wherein, base station is from network side Gains resources configuration information, to obtain frequency spectrum resource available and scheduling.
Wherein, described network side comprises network management system or reprovision management system;
Described network management system refers to cell management system (EMS), network management system (NMS);
Described reprovision management system refers to be specifically designed to the system of management resource reprovision configuration information, can be integrated in existing network management system or administration module independently, has special interactive interfacing with network management system and Access Network side.
Further, described resource allocation information, comprising: distribute to the frequency spectrum resource of base station, and distribute the attribute of frequency spectrum resource;
Wherein, the attribute of frequency spectrum resource specifically can comprise: the first frequency spectrum resource (hereinafter also referred to as basic frequency spectrum resource), and the second frequency spectrum resource;
Wherein the second frequency spectrum resource further can also comprise: frequency spectrum resource that can reprovision, and/or, specific frequency spectrum resource, etc.
Preferably, in the frequency spectrum resource that base station is used, mainly comprise basic frequency spectrum resource and frequency spectrum resource that can reprovision.
Described basic frequency spectrum resource refers to meet the needed resource of frequency range of base station minimum capacity demand, when load of base station is low, preferentially uses this section of frequency spectrum resource;
Described frequency spectrum resource that can reprovision, specifically can refer to when in base station, load own is low, (un-activation or free time) frequency spectrum resource of reserving, and this reserved frequency spectrum resource can partly or wholly offer other base stations or system is shared load; And distribute or load when high in base station initial service resource, and substantially frequency spectrum resource is the same carries out frequency distribution.
Described specific frequency spectrum resource, specifically can refer in the frequency spectrum resource of distributing to base station, can only and specific system/base station between the resource of frequency range of using.Described specific system/base station is to be configured by network side, and can be included in and in resource allocation information, be handed down to base station, the community that for example capacity strengthens, Microcell (as Home eNodeB), the region of capacity bursts (as stadium, performing art centre).
Network side is divided one or more based on following factors to frequency spectrum resource attribute: the duration of load application Distribution Statistics of base station, and frequency interferences, the stability in system reprovision cycle, etc.
If network side is according to the Distribution Statistics of the traffic load of BS1, the probability of frequency 1-6 scheduling high (as surpassed 70%), and the probability of frequency 7-9 scheduling is low; (as frequency 7-9) is little to the interference of adjacent system/base station for the high frequency points of BS1; The probability that reprovision occurs the low frequency of base station BS 1 (as frequency 1-6) is low, and the reprovision cycle is long, little to the stability influence of system.
For example, when system/base station 2 is because user's service request is too much, cause the overload of resource load; Or the change of carrier policy; Or due to presence of intercell interference, system type (FDD and TDD) business unbalanced etc., will trigger the resource reconfiguration to system/base station 2 and system/base station 1.System when carrying out resource reprovision, the Resource Properties of each frequency range in the frequency spectrum resource that system/base station 1 is used according to self, the frequency spectrum resource that selection can reprovision is to system/base station 2, or offers network side, by network side, reshuffled.
For the ease of setting forth the present invention, below with reference to drawings and the specific embodiments, the enforcement of technical solution of the present invention is described in further detail.It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
Embodiment mono-
The dynamic spectrum resource management method of the resource reprovision in the gsm system of the present embodiment, shown in Fig. 2, comprises following key step:
Step 1: network side down distributing resource configuration information is to the base station BS 1 of gsm system.
Wherein, described network side refers to that network management system is as cell management system EMS, network management system NMS.
Described resource allocation information has comprised that network side is to 9 frequencies (if frequency 1 is to frequency 9) of base station planning, and its intermediate-frequeney point 1 is basic frequency spectrum resources to frequency 6, frequency 7 to frequency 9 be can reprovision frequency spectrum resource.
Described basic frequency spectrum resource refers to meet the needed resource of frequency range of base station minimum capacity demand, when load of base station is low, preferentially uses this section of frequency spectrum resource;
Described frequency spectrum resource that can reprovision is while referring to that in base station load itself is low, first reserved and can offer the resource of frequency range that other base stations or system are shared load; In base station initial service resource, distribute or load when high, with basic frequency spectrum resource, equally carrying out frequency distribution.Further, frequency spectrum resource that can reprovision comprises the frequency spectrum resource that base station is temporarily unactivated, reserved.
Network side is divided one or more according to following factors to frequency spectrum resource attribute: the duration of load application Distribution Statistics of base station, frequency interferences, the stability in system reprovision cycle.
Step 2: other base stations comprise the overload of adjacent base station generation traffic load in system, as the voice-and-data service request of base station BS 2 increases, take 90% of BS2 institute Resources allocation; Meanwhile, the traffic load of base station BS 1 is relatively low, and frequency spectrum resource that can reprovision is in idle condition, and in order to alleviate the traffic load of BS2, BS2 sends current traffic load state and resource utilization to network side.
Step 3: meanwhile, network side also knows that by network management monitoring or the reported event based on base station the traffic load of BS1 is lower, and network side issues reconfigure command to BS1, the frequency spectrum resource (frequency 7 is to frequency 9) that notice BS1 deexcitation can reprovision; Issue reconfigure command to BS2 simultaneously, in described reconfigure command, increase frequency 7, frequency 8 and frequency 9.
Step 4: BS2 obtains newly-increased frequency 7, frequency 8, and frequency 9, carries out scheduling of resource to new service request, alleviates the traffic load of BS2, thus the traffic load of balance base station/minizone improves resource utilization.
Further, for resource reconfiguration in the system of UMTS, similar with in gsm system.
Embodiment bis-
The dynamic spectrum resource management method of the intrasystem resource reprovision of LTE of the present embodiment, shown in Fig. 3, comprises following key step:
Step 1: reprovision management system down distributing resource configuration information is to the base station BS 1 of LTE system.
Described reprovision management system refers to be specifically designed to the system of management resource reprovision configuration information, can be integrated in existing network management system or administration module independently, has special interactive interfacing with network management system and Access Network side.
Described resource allocation information has comprised that network side is to the frequency spectrum resource (as Band1 and Band2) of base station BS 1 planning, and wherein Band1 is basic frequency spectrum resource, Band2 be can reprovision frequency spectrum resource.
Described basic frequency spectrum resource refers to meet the needed resource of frequency range of base station minimum capacity demand, when load of base station is low, preferentially uses this section of frequency spectrum resource;
Described frequency spectrum resource that can reprovision is while referring to that in base station load itself is low, first reserved and can offer the resource of frequency range that other base stations or system are shared load; In base station initial service resource, distribute or load when high, with basic frequency spectrum resource, equally carrying out frequency distribution.Further, frequency spectrum resource that can reprovision comprises the frequency spectrum resource that base station is temporarily unactivated, reserved.
Reprovision management system is divided one or more according to following factors to frequency spectrum resource attribute: the duration of load application Distribution Statistics of base station, frequency interferences, the stability in system reprovision cycle.
Step 2: other base stations comprise the overload of adjacent base station generation traffic load in system, as the data service request of LTE base station BS 2 increases, take 95% of BS2 institute Resources allocation; The traffic load of base station BS 1 is relatively low simultaneously, frequency spectrum resource Band2 that can reprovision is in idle condition, in order to alleviate the traffic load of BS2, BS2 sends current traffic load state and resource utilization to adjacent base station BS1, and the band resource of supporting (as also supported frequency band Band2).BS1 is according to the traffic load situation of self (current business load low, Band2 is in the free time), BS1 can be defined as unactivated state by Band2, sends response message to BS2 simultaneously, and described response message has comprised frequency spectrum resource Band2 that can reprovision.
Step 3: BS2 obtains newly-increased resource of frequency range Band2, and new data service request is carried out to scheduling of resource, alleviates the traffic load of BS2, thereby the traffic load of balance base station/minizone improves resource utilization.
Wherein, the implementation of consulting frequency spectrum resource between BS1 and BS2 has been described in above-mentioned steps.In addition, can also pass through the frequency spectrum resource of network side (as network management system or reprovision management system) Chinese style management BS1 and BS2, for example, BS2 can send service condition and resource utilization information to reprovision management system, by reprovision management system, reshuffle BS1 and BS2, the Band2 that reshuffles BS1 is deactivation status, reshuffles BS2 and uses Band2 resource.
Embodiment tri-
The dynamic spectrum resource management method of the resource reprovision between the system of the present embodiment, shown in Fig. 4, comprises following key step:
Step 1: network side difference down distributing resource configuration information is to the base station of gsm system and LTE system.
Described network side comprises network management system or reprovision management system.Described network management system refers to cell management system EMS, network management system NMS;
Described reprovision management system refers to be specifically designed to the system of management resource reprovision configuration information, can be integrated in existing network management system or administration module independently, has special interactive interfacing with network management system and Access Network side.
The resource allocation information of described gsm system has comprised the 900MHz frequency range (890MHz-915MHz) of network side to base station planning, comprise 124 frequencies, each frequency 200KHz, its intermediate-frequeney point 1 is basic frequency spectrum resources to frequency 74, frequency 75 to frequency 124 be can reprovision frequency spectrum resource.The resource allocation information of described LTE system comprises that network side is to the 2300Mhz frequency range (TDD:2320MHz-2330MHz) of LTE systems organization.
Described basic frequency spectrum resource refers to meet the needed resource of frequency range of base station minimum capacity demand, when load of base station is low, preferentially uses this section of frequency spectrum resource;
Described frequency spectrum resource that can reprovision is while referring to that in base station load itself is low, first reserved and can offer the resource of frequency range that other base stations or system are shared load; In base station initial service resource, distribute or load when high, with basic frequency spectrum resource, equally carrying out frequency distribution.Further, frequency spectrum resource that can reprovision comprises the frequency spectrum resource that base station is temporarily unactivated, reserved.
Network side is divided one or more according to following factors to frequency spectrum resource attribute: the duration of load application Distribution Statistics of base station, frequency interferences, the stability in system reprovision cycle.
Step 2: under LTE system, the voice-and-data service request of base station increases, takies 90% of the Resources allocation 10MHz of LTE system institute.Simultaneously under gsm system, the traffic load of base station is relatively low, and frequency spectrum resource (frequency 75 is to frequency 124) that can reprovision is in idle condition.In order to alleviate the traffic load under LTE system, LTE system base-station sends current traffic load state and resource utilization to network side.
Step 3: network side also knows that under gsm system, the traffic load of base station is lower simultaneously, network side issues reconfigure command 1 to gsm system base station, and described reconfigure command 1 indication does not temporarily distribute the frequency spectrum resource (frequency 75 is to frequency 124) that (or deexcitation) can reprovision.Issue reconfigure command 2 to LTE system base-station, described reconfigure command 2 indications increase frequency spectrum resource 5MHz (frequency 100 of 900MHz frequency range is to frequency 124) simultaneously.Then for gsm system, frequency 75 is remaining frequency spectrum resources that can reprovision to frequency 99, and gsm system still can dispatching distribution, or has other system/BTS service to load when high, and reprovision is to other system/base station.
Wherein, in actual applications, specifically should be the base station that load is higher increases how many frequency spectrum resources, can be according to the load condition of system, and the service request of terminal (as speech business or data service) etc. is determined.
Step 4: LTE system base-station obtains newly-increased 5MHz frequency spectrum resource, and new service request is carried out to scheduling of resource, alleviates the traffic load of LTE system, thereby the traffic load between balance sysmte, the resource utilization of raising whole system.
Embodiment tetra-
The present embodiment has been described the dynamic spectrum resource management method to particular system/base station resource reprovision.Reprovision management to frequency spectrum resource, except the frequency spectrum resource of in above-described embodiment, system/base station being divided is divided into basic frequency spectrum resource and frequency spectrum resource that can reprovision, can also mark off for specific frequency spectrum resource.
Described specific frequency spectrum resource refers to distribute in the frequency spectrum resource of base station, only and the resource of frequency range of using between specific system/base station.
Network side is divided one or more according to following factors to frequency spectrum resource attribute: the duration of load application Distribution Statistics of base station, frequency interferences, the stability in system reprovision cycle.
Described specific system/base station is configured by network side, as the community that capacity strengthens, Microcell (as Home eNodeB), the region of capacity bursts (as stadium, performing art centre).
The scene of LTE system of take is example, specific dynamic spectrum resource management, and the adjacent Liang Ge of LTE system community 1 and 2 (being BS1 and BS2), has Microcell LTE BS3 and CSG community, home base station cells in BS1.
Shown in Fig. 5, the present embodiment method comprises following key step:
Step 1: reprovision management system down distributing resource configuration information is to the community BS1 of LTE system.
Described reprovision management system refers to be specifically designed to the system of management resource reprovision configuration information, can be integrated in existing network management system or administration module independently, has special interactive interfacing with network management system and Access Network side.
Reprovision management system and to have configured LTE BS3He CSG community be specific system/base station.Described resource allocation information has comprised the frequency spectrum resource (as the 2590MHz-2610MHz of 2.6GMHz frequency range TDD) of network side to base station BS 1 planning, wherein 2590MHz-2600MHz is basic frequency spectrum resource, 2600MHz-2605MHz be can reprovision frequency spectrum resource, 2605MHz-2610MHz is specific frequency spectrum resource.
The definition of described basic frequency spectrum resource and frequency spectrum resource that can reprovision is identical with above-described embodiment.
Step 2: other base stations comprise the overload of adjacent base station generation traffic load in system, as the data service request of LTE base station BS 2 increases, take 90% of BS2 institute Resources allocation.Simultaneously the traffic load of base station BS 1 is in medium, and frequency spectrum resource that can reprovision, still by BS1 dispatching distribution, only has specific frequency spectrum resource in the free time.In order to alleviate the traffic load of BS2, BS2 sends resource negotiation request to adjacent base station BS1 and comprises current traffic load state and resource utilization, and the band resource of supporting (as also supported frequency band Band2).(current business load is medium according to the traffic load situation of self and resource of frequency range attribute for BS1, the distribution that is still scheduled of frequency spectrum resource that can reprovision, specific frequency spectrum resource is in the free time, but BS2 is not specific system/base station), BS1 can refuse the resource negotiation request of BS2.
There is sudden increase (as the user due to stadium or performing art centre assembles) in the capacity of DangCSG community/BS3, CSG community/BS3 overload of loading, to BS1, send resource negotiation request, the resource load condition and the resource utilization that comprise current area, and the band resource of supporting, the attribute of base station (specific system/base station).BS1 is according to current traffic load situation and resource of frequency range attribute, and the base station property of CSG community/BS3, the specific frequency spectrum resource of BS1 deexcitation, and ZeCSG community/BS3 can obtain specific frequency spectrum resource and carry out dispatching distribution.
Step 4: CSG community/BS3 obtains the newly-increased specific resource of frequency range, and new data service request is carried out to scheduling of resource, alleviates the traffic load of CSG community/BS3, thus the traffic load of balance base station/minizone improves resource utilization.
Further, for UMTS or gsm system, and the scene between system, for specific frequency spectrum resource, distribute with said process similar.
In addition, as shown in Figure 6, the device of a kind of cognitive radio system intermediate frequency spectrum resource management is also provided in the embodiment of the present invention, be applied to network side, this device mainly comprises: resource decision issues module, for to base station down distributing resource configuration information, described resource allocation information be included as described base station assigns frequency spectrum resource and distribute the attribute of frequency spectrum resource; Resource reprovision administration module, for when resource reprovision occurs in the first base station, the reserved frequency spectrum resource that the second base station is provided is distributed to described the first base station.
Further, described resource decision issues module, for being divided into following attribute for the frequency spectrum resource of described base station assigns:
The first frequency spectrum resource, refers to meet the needed frequency spectrum resource of described base station minimum capacity demand;
The second frequency spectrum resource, refers to distribute in the frequency spectrum resource of described base station, the frequency spectrum resource beyond described the first frequency spectrum resource;
Wherein, described the second frequency spectrum resource, further comprises:
Frequency spectrum resource that can reprovision, refer to reserve and can offer the frequency spectrum resource that adjacent system or adjacent base station are shared load; And/or,
Specific frequency spectrum resource, refers to the frequency spectrum resource of reserving and can only offer specific system or base station.
In addition, the present invention also provides the device of a kind of cognitive radio system intermediate frequency spectrum resource management, is applied to base station side, and as shown in Figure 6, this device mainly comprises: scheduling of resource module, for the resource allocation information issuing according to network side, carry out scheduling of resource; Resource reprovision module, for when resource reprovision occurs for system or base station, according to described resource allocation information, offers adjacent base station or network side by reserved part or all of frequency spectrum resource; Wherein, described resource allocation information, comprise frequency spectrum resource that network side is described base station assigns and the attribute of distribution frequency spectrum resource.
These are only preferred case study on implementation of the present invention; be not limited to the present invention; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
Claims (10)
1. a method for cognitive radio system intermediate frequency spectrum resource management, is characterized in that,
The resource allocation information that base station issues according to network side carries out scheduling of resource, wherein, described resource allocation information, be included as described base station assigns frequency spectrum resource and distribute the attribute of frequency spectrum resource;
When described system or described base station generation resource reprovision, described base station, according to described resource allocation information, offers adjacent base station or network side by reserved part or all of frequency spectrum resource.
2. the method for claim 1, is characterized in that, the attribute of described frequency spectrum resource, comprising:
The first frequency spectrum resource, refers to meet the needed frequency spectrum resource of described base station minimum capacity demand;
The second frequency spectrum resource, refers to distribute in the frequency spectrum resource of described base station, the frequency spectrum resource beyond described the first frequency spectrum resource.
3. method as claimed in claim 2, is characterized in that,
Described the second frequency spectrum resource, comprising:
Frequency spectrum resource that can reprovision, refers to the frequency spectrum resource of reserving and can offer adjacent system or adjacent base station; And/or,
Specific frequency spectrum resource, refers to the frequency spectrum resource of reserving and can only offer specific system or base station.
4. the method as described in claim 1,2 or 3, is characterized in that,
Described network side is determined the attribute of distribute of frequency spectrum resource according to a kind of of following factor or any multiple combination:
The duration of load application Distribution Statistics of base station, frequency interferences, the stability in system reprovision cycle.
5. method as claimed in claim 3, is characterized in that,
Described specific system or base station are configured by network side, and the information that comprises described specific system or base station in being handed down to the described resource allocation information of described base station;
Wherein, described specific system or base station, comprising: the region of community, Microcell or capacity bursts that capacity strengthens.
6. the method as described in claim 3 or 5, is characterized in that,
Described network side is according to traffic load state and the resource utilization of base station, and while knowing the first BTS service load overload and the second BTS service load lower than predetermined threshold, the second frequency spectrum resource described the second base station being provided is distributed to described the first base station;
Scheduling of resource is carried out according to described the second frequency spectrum resource getting in described the first base station.
7. the method as described in claim 3 or 5, is characterized in that,
During the first BTS service load overload, to the second adjacent base station, send current traffic load state and resource utilization, and the band resource of supporting;
Described the second base station, according to the traffic load state of self and/or described resource allocation information, sends response message to described the first base station, and the second frequency spectrum resource providing to described the first base station is provided described response message;
Scheduling of resource is carried out according to described the second frequency spectrum resource getting in described the first base station.
8. a device for cognitive radio system intermediate frequency spectrum resource management, is characterized in that, is applied to network side, and described device comprises:
Resource decision issues module, for to base station down distributing resource configuration information, described resource allocation information be included as described base station assigns frequency spectrum resource and distribute the attribute of frequency spectrum resource;
Resource reprovision administration module, for when resource reprovision occurs in the first base station, the reserved frequency spectrum resource that the second base station is provided is distributed to described the first base station.
9. device as claimed in claim 8, is characterized in that,
Described resource decision issues module, for being divided into following attribute for the frequency spectrum resource of described base station assigns:
The first frequency spectrum resource, refers to meet the needed frequency spectrum resource of described base station minimum capacity demand;
The second frequency spectrum resource, refers to distribute in the frequency spectrum resource of described base station, the frequency spectrum resource beyond described the first frequency spectrum resource;
Wherein, described the second frequency spectrum resource, further comprises:
Frequency spectrum resource that can reprovision, refer to reserve and can offer the frequency spectrum resource that adjacent system or adjacent base station are shared load; And/or,
Specific frequency spectrum resource, refers to the frequency spectrum resource of reserving and can only offer specific system or base station.
10. a device for cognitive radio system intermediate frequency spectrum resource management, is characterized in that, is applied to base station side, and described device comprises:
Scheduling of resource module, carries out scheduling of resource for the resource allocation information issuing according to network side;
Resource reprovision module, for when resource reprovision occurs for system or base station, according to described resource allocation information, offers adjacent base station or network side by reserved part or all of frequency spectrum resource;
Wherein, described resource allocation information, comprise frequency spectrum resource that network side is described base station assigns and the attribute of distribution frequency spectrum resource.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210341381.0A CN103687012B (en) | 2012-09-14 | 2012-09-14 | The method and device of dynamic spectrum resource management in cognitive radio system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210341381.0A CN103687012B (en) | 2012-09-14 | 2012-09-14 | The method and device of dynamic spectrum resource management in cognitive radio system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103687012A true CN103687012A (en) | 2014-03-26 |
| CN103687012B CN103687012B (en) | 2019-01-18 |
Family
ID=50322963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210341381.0A Expired - Fee Related CN103687012B (en) | 2012-09-14 | 2012-09-14 | The method and device of dynamic spectrum resource management in cognitive radio system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103687012B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104066191A (en) * | 2014-06-24 | 2014-09-24 | 京信通信系统（中国）有限公司 | A method and device for allocating spectrum resources |
| CN105704822A (en) * | 2014-11-28 | 2016-06-22 | 索尼公司 | Spectrum resource management device and method, wireless communication device and method |
| CN108449761A (en) * | 2018-03-02 | 2018-08-24 | 北京科技大学 | Method and device for cognitive radio femtocell resource allocation |
| CN110401957A (en) * | 2018-04-25 | 2019-11-01 | 中兴通讯股份有限公司 | A kind of carrier frequency point sharing method and device |
| CN112055362A (en) * | 2020-08-19 | 2020-12-08 | 中通服咨询设计研究院有限公司 | 4G and 5G cooperative dynamic frequency sharing method and system |
| CN115250472A (en) * | 2021-04-28 | 2022-10-28 | 中国移动通信集团四川有限公司 | Frequency allocation method and device and electronic equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043716A (en) * | 2006-03-24 | 2007-09-26 | 华为技术有限公司 | Method for wireless resource management in wireless evolvement network and apparatus thereof |
| CN101442784A (en) * | 2008-12-17 | 2009-05-27 | 华为技术有限公司 | Method, system and apparatus for switching network |
| CN101674652A (en) * | 2009-10-15 | 2010-03-17 | 华为技术有限公司 | Frequency resource distribution method and device |
| CN101686553A (en) * | 2008-09-24 | 2010-03-31 | 中国移动通信集团公司 | Resource adapting method, device and system |
| US20100098066A1 (en) * | 2004-12-30 | 2010-04-22 | Marian Croak | Method and apparatus for providing shared services |
| CN101754306A (en) * | 2008-12-10 | 2010-06-23 | 上海华为技术有限公司 | Switching processing method, femtocell gateway and network system |
| CN102448126A (en) * | 2010-09-30 | 2012-05-09 | 索尼公司 | Method and device for configuring communication resource collection, and method and system for managing resource |
-
2012
- 2012-09-14 CN CN201210341381.0A patent/CN103687012B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100098066A1 (en) * | 2004-12-30 | 2010-04-22 | Marian Croak | Method and apparatus for providing shared services |
| CN101043716A (en) * | 2006-03-24 | 2007-09-26 | 华为技术有限公司 | Method for wireless resource management in wireless evolvement network and apparatus thereof |
| CN101686553A (en) * | 2008-09-24 | 2010-03-31 | 中国移动通信集团公司 | Resource adapting method, device and system |
| CN101754306A (en) * | 2008-12-10 | 2010-06-23 | 上海华为技术有限公司 | Switching processing method, femtocell gateway and network system |
| CN101442784A (en) * | 2008-12-17 | 2009-05-27 | 华为技术有限公司 | Method, system and apparatus for switching network |
| CN101674652A (en) * | 2009-10-15 | 2010-03-17 | 华为技术有限公司 | Frequency resource distribution method and device |
| CN102448126A (en) * | 2010-09-30 | 2012-05-09 | 索尼公司 | Method and device for configuring communication resource collection, and method and system for managing resource |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104066191A (en) * | 2014-06-24 | 2014-09-24 | 京信通信系统（中国）有限公司 | A method and device for allocating spectrum resources |
| CN104066191B (en) * | 2014-06-24 | 2017-11-24 | 京信通信系统（中国）有限公司 | A kind of method and device for distributing frequency spectrum resource |
| CN105704822A (en) * | 2014-11-28 | 2016-06-22 | 索尼公司 | Spectrum resource management device and method, wireless communication device and method |
| CN108449761A (en) * | 2018-03-02 | 2018-08-24 | 北京科技大学 | Method and device for cognitive radio femtocell resource allocation |
| CN110401957A (en) * | 2018-04-25 | 2019-11-01 | 中兴通讯股份有限公司 | A kind of carrier frequency point sharing method and device |
| CN112055362A (en) * | 2020-08-19 | 2020-12-08 | 中通服咨询设计研究院有限公司 | 4G and 5G cooperative dynamic frequency sharing method and system |
| CN115250472A (en) * | 2021-04-28 | 2022-10-28 | 中国移动通信集团四川有限公司 | Frequency allocation method and device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103687012B (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10477517B2 (en) | Methods and apparatus for opportunistic radio resource allocation in multi-carrier communication systems | |
| US9723613B2 (en) | Carrier allocation apparatus, method and terminal | |
| US8040815B2 (en) | Spectrum coordination controller | |
| US8706130B2 (en) | Dynamic frequency band allocation between radio communication networks | |
| CN102301773B (en) | Dynamic frequency selection in a cognitive radio system | |
| EP2916574B1 (en) | Method and base station for sharing frequency spectrum | |
| US8730900B2 (en) | Method and device for adaptive adjusting uplink and downlink bandwidth | |
| CN102843697B (en) | Disturbance restraining method between different system in frequency spectrum share situation and equipment | |
| JP2005504492A (en) | Total wireless network solution for GSM / EDGE | |
| KR20190073570A (en) | Method and apparatus for spectrum resource allocation for full spectrum sharing | |
| CN103687012A (en) | Method and device for managing spectrum resources in cognitive radio system | |
| CN105611539B (en) | Dynamic spectrum configuration method, device and system | |
| US20250247875A1 (en) | METHOD AND SYSTEM FOR TRAFFIC SHAPING AT THE DU/CU TO ARTIFICIALLY REDUCE THE TOTAL TRAFFIC LOAD ON THE RADIO RECEIVER SO THAT NOT ALL THE TTLs ARE CARRYING DATA | |
| JP5522179B2 (en) | Band adjustment method, communication apparatus, and band adjustment apparatus | |
| EP3986061A1 (en) | Method for suppressing cell co-channel interference, and base station and system | |
| CN103581964A (en) | Performance measurement method and device | |
| CN108135007A (en) | A kind of method and device of communication | |
| CN112105059B (en) | Shunting method and shunting control base station | |
| JP2014045482A (en) | Frequency allocation method coexisted with adjacent channel, and network entity | |
| ElBadawy | Optimal RAT selection algorithm through Common Radio Resource Management in heterogeneous wireless networks | |
| US20220256478A1 (en) | Transmit power allocation method, network device, and storage medium | |
| JP7620613B2 (en) | Bandwidth adjustment of multiple simultaneous bandwidth portions for a base station of a cellular network - Patents.com | |
| US20240155361A1 (en) | Private network | |
| US20250056502A1 (en) | Spectrum Reuse Framework in O-Ran Architecture | |
| CN107920391B (en) | Scheduling method, system and equipment of physical uplink control channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20200914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |