CN102333315A - Frequency resource allocation method, device and system - Google Patents
Frequency resource allocation method, device and system Download PDFInfo
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- CN102333315A CN102333315A CN201010229556XA CN201010229556A CN102333315A CN 102333315 A CN102333315 A CN 102333315A CN 201010229556X A CN201010229556X A CN 201010229556XA CN 201010229556 A CN201010229556 A CN 201010229556A CN 102333315 A CN102333315 A CN 102333315A
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Abstract
The invention discloses a frequency resource allocation method, device and system. The frequency resource allocation method comprises the following steps that: A. a network side receives a service type and a Qos (Quality of Service) parameter applied by the connection and reported by UE (User Equipment); and B. the network side allocates a corresponding frequency resource for the UE according to the service type, the Qos parameter as well as the resource occupation situations of different frequency points and allocation of different time slots corresponding to the different frequency points. The frequency resource allocation method, device and system provided by the invention are used for allocating corresponding frequency resources for the UE according to the service type and the Qos parameter initiated by the UE as well as the resource occupation situations of different frequency points and time slot allocation of the different frequency points. In the invention, services required by downlink and uplink bandwidth resources are accessed to proper and matched frequency points, and capacity, interference and frequency spectrum utilization ratio are considered in the access process, therefore, interference is reduced, the utilization ratio of network wireless resources is increased, and the experience of a user is enhanced.
Description
Technical field
The present invention relates to a kind of wireless technology, relate in particular to a kind of frequency resource allocation method, Apparatus and system.
Background technology
The main employing in the existing TDD system group network process with frequency or inter-frequency networking mode.But different frequent points all adopts unified time slot configuration in the system.In the demand side of business to Radio Resource; Dissimilar business is different to the demand of upstream and downstream bandwidth, as the professional up-downgoing demand of voice, visual telephone class symmetric bandwidth, streaming media service need that downlink bandwidth is higher, monitoring service demand upstream bandwidth is higher or the like.
The shortcoming of prior art mainly comprises the following aspects:
(1) along with the cordless communication network development, the UE type of service is enriched constantly, and different kinds of business is different to the network up and down bandwidth demand;
(2) the existing TDD system adopts with frequency or inter-frequency networking mode, and different frequent points all adopts unified time slot configuration in the system, and fixing time slot configuration has locked the upstream and downstream bandwidth resource allocation;
(3) if network concentrate and the up-downgoing asymmetric traffic to occur, can cause network descending/the uplink service time slot is saturated, and the uplink/downlink sub-carriers time slot is idle, causes than the serious frequency wasting of resources.
Summary of the invention
The objective of the invention is to, a kind of frequency resource allocation method, Apparatus and system are provided,, promote the network radio resources utilance the service access of different upstream and downstream bandwidth source demand frequency that be fit to, coupling.
For realizing above-mentioned purpose, according to an aspect of the present invention, a kind of frequency resource allocation method is provided, comprising: type of service and Qos parameter that this connection that A, network side reception UE report is applied for; B, said network side are according to the said type of service, the Qos parameter that receive, and different frequent points resource occupation situation and the pairing different time-gap configuration of frequency, for said UE distributes the correspondent frequency resource.
For realizing above-mentioned purpose, according to another aspect of the present invention, a kind of frequency resource allocation device is provided, comprising: receiver module is used to receive that UE reports that this connects the Qos parameter of institute's business of applying for; Analyze and select module, be used for according to the said Qos parameter that receives, and different frequent points resource occupation situation and the corresponding different time-gap configuration of frequency, for said UE distributes the correspondent frequency resource.
For realizing above-mentioned purpose; According to another aspect of the present invention; A kind of frequency resource allocation system is provided; Comprise: UE reports this to connect type of service and Qos parameter to the frequency resource allocation device of being applied for, and initiates corresponding service according to the frequency resource that said frequency resource allocation device distributes; Said frequency resource allocation device, according to the said type of service that receives, Qos parameter, and different frequent points resource occupation situation and the pairing different time-gap configuration of frequency, for said UE distributes the correspondent frequency resource.
Frequency resource allocation method of the present invention, Apparatus and system, type of service, the Qos parameter when service access, initiated according to UE, and the time slot configuration of different frequent points resource occupation situation and different frequent points are for UE distributes the correspondent frequency resource.Among the present invention, with the service access of different upstream and downstream bandwidth source demand frequency that be fit to, coupling, access procedure is taken into account consideration capacity, interference and the availability of frequency spectrum, thereby reduces interference, lifting network radio resources utilance, has improved user's susceptibility.
Description of drawings
Fig. 1 is the flow chart of frequency resource allocation method embodiment of the present invention;
Fig. 2 a is the structure chart of frequency resource allocation device embodiment of the present invention;
Fig. 2 b analyzes the structure chart of selecting module among the frequency resource allocation device embodiment of the present invention;
Fig. 3 is the structure chart of frequency resource allocation system embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
In the prior art, different frequency range all adopts unified time slot configuration, and fixing time slot configuration has locked the upstream and downstream bandwidth resource allocation.Therefore the present invention adopts the inter-frequency networking mode in TDD system group network process, and UTRAN carries out corresponding time slot configuration according to business demand to each frequency.For example can all adopt different time slot configuration to each frequency, can all frequencies be divided into a plurality of groups yet, on the same group frequency time slot configuration is different.
Method embodiment
As shown in Figure 1, frequency resource allocation method embodiment of the present invention may further comprise the steps:
Step 102, UE is with after network is set up signaling and is connected, and this connects the type of service (CS or PS) and the Qos parameter of being applied at first to inform core net through initial message IndicialMessage;
Step 104, type of service and Qos parameter that core net is applied for this connection of UE send to UTRAN,
Wherein, professional for CS, core net will be set up wireless connections through wireless access network (UMTS Terrestrial Radio Access Network the is called for short UTRAN) request landwards of IU-CS interface; And professional for PS, because terminal PS business reports qos parameter often directly to report maximum, in fact the business of its application does not need maximum bandwidth; Therefore; The type of service that core net can report according to UE, in conjunction with network its other resources occupancy, adjustment user's qos parameter; And will send UTRAN through the IU-PS interface with adjusted qos parameter, wireless connections are set up in request;
Step 106, UTRAN is according to the said type of service, the Qos parameter that receive, and the time slot configuration of different frequent points resource occupation situation and different frequent points, for said UE distributes the correspondent frequency resource;
Concrete distribution method comprises:
B1, said network side calculate the time slot configuration parameter of each frequency according to this upstream and downstream bandwidth demand that connects institute's business of applying in the time slot configuration of each frequency point and the said Qos parameter;
Specifically calculate said frequency time slot configuration parameter according to following formula: | (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, and this upstream and downstream bandwidth demand that connects institute's business of applying for is A/B in the professional Qos parameter that core-network side is confirmed; For example, the time slot configuration of frequency A is 3/6, and this upstream and downstream bandwidth demand that connects institute's business of applying for is 1/1, and then calculating frequency time slot configuration parameter is 1; The time slot configuration of frequency B is 2/6, and this upstream and downstream bandwidth demand that connects institute's business of applying for is 1/1, and then calculating frequency time slot configuration parameter is 2; The time slot configuration of frequency C is 1/4, and this upstream and downstream bandwidth demand that connects institute's business of applying for is 1/1, and then calculating frequency time slot configuration parameter is 3;
Because the availability of frequency spectrum equals professional up-downgoing throughput/up-downgoing frequency bandwidth, the up-downgoing frequency bandwidth is identical in the TDD system, therefore works as | (BXn)/(AYn)-value of 1| hour, the availability of frequency spectrum reaches highest level;
B2, the said time slot configuration parameter that will calculate are arranged from small to large; Promptly according to the availability of frequency spectrum of frequency from high to low, be K1, K2...Kn, analyze said time slot configuration parameter frequency points corresponding successively and whether have enough accesses this connects the frequency resource of institute's business of applying for; For example calculating the time slot configuration parameter is arranged as from small to large: 1,2,3; Frequency points corresponding is respectively A, B, C;
At first; Selecting the time slot configuration parameter is that the pairing frequency of 1 (being frequency A) is as this frequency that will insert of this business; If the pairing frequency resource of frequency A does not have enough resources; Then select the time slot configuration parameter be the pairing frequency of 2 (they being frequency B) as this frequency that will insert of this business, and the like, select certain frequency to have enough Radio Resources until UTRAN;
B3, when said frequency have enough accesses this when connecting institute and apply for professional frequency resource, said network side selects this frequency as the frequency that inserts this connection business of applying for.
More preferably, when time slot configuration parameter frequency points corresponding have enough accesses this when connecting institute and apply for professional frequency resource, further select interference level is lower than preset thresholding in this frequency frequency as the frequency that inserts this connection business of applying for;
Step 108, UTRAN is with the frequency resource notice UE that distributes;
Step 110, the frequency resource that UE distributes according to UTRAN is promptly initiated corresponding service at corresponding frequency.
More preferably; After the initiation business; When UE service bandwidth changes in demand, core net can be according to the variation of UE service bandwidth demand, adjustment UE QoS of survice parameter; And inform the QoS consultation parameter that UTRAN upgrades through RAB modify; UTRAN dynamically is adjusted to frequency time slot configuration parameter minimum (being that network uplink and downlink availability of frequency spectrum level is the highest) with UE according to the variation of QoS consultation parameter through physical channel reconfiguration message (Physical Channel Reconfiguration) again, and this connects the professional Radio Resource of applying for to have enough accesses; When surpassing certain, the UE interference level sets thresholding; UTRAN can pass through physical channel reconfiguration message (Physical Channel Reconfiguration), dynamically UE is adjusted to make the network uplink and downlink availability of frequency spectrum reach highest level, this connects institute's application business and the lower physical channel resources of interference level to have enough accesses.
The frequency resource allocation method of present embodiment; Through demand according to business; Type of service, the Qos parameter when service access, initiated according to UE, and different frequent points resource occupation situation and the configuration of different frequent points time slot corresponding are for UE distributes the correspondent frequency resource.With the service access of different upstream and downstream bandwidth source demand frequency that be fit to, coupling, in access procedure, take into account consideration capacity, interference and the availability of frequency spectrum in addition, thereby promote the network radio resources utilance, reduced interference, improved user's susceptibility.
In addition, the frequency resource allocation method of present embodiment can combine network its other resources occupancy, adjustment user's qos parameter, and it is more reasonable for the distribution of frequency resource to make.And after the service access of UE,,, professional stability and user's susceptibility have been improved for UE redistributes frequency resource through according to the variation of service bandwidth demand or the variation of frequency interference level.
Device embodiment
Shown in Fig. 2 a, frequency resource allocation device embodiment of the present invention comprises:
Analyze and select module 206, be used for according to the said type of service, the Qos parameter that receive, and the time slot configuration of different frequent points resource occupation situation and different frequent points, for said UE distributes the correspondent frequency resource.
In the present embodiment, also comprise: configuration module 202 is used for according to business demand each frequency being carried out corresponding time slot configuration.
Wherein, shown in Fig. 2 b, analyze and select module 206 specifically to comprise:
Calculating sub module 2062 is used for applying for that according to time slot configuration and this connection of each frequency professional upstream and downstream bandwidth demand calculates the time slot configuration parameter of each frequency; Specifically calculate said frequency time slot configuration parameter according to following formula: | (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, and this upstream and downstream bandwidth demand that connects institute's business of applying for is A/B;
Ordering submodule 2064 is used for the said time slot configuration parameter that calculates is arranged from small to large;
Analyze submodule 2066, be used for analyzing successively the frequency resource whether said time slot configuration parameter frequency points corresponding has this connection of enough accesses business of applying for,
Preferably, analyze submodule 2066, also further analyze interference level in this frequency;
The frequency resource allocation device of present embodiment, through the demand according to business, type of service, the Qos parameter when service access, initiated according to UE, and the time slot configuration of different frequent points resource occupation situation and different frequent points are for UE distributes the correspondent frequency resource.With the service access of different upstream and downstream bandwidth source demand frequency that be fit to, coupling, in access procedure, take into account consideration capacity, interference and the availability of frequency spectrum in addition, thereby promote the network radio resources utilance, reduced interference, improved user's susceptibility.
System embodiment
As shown in Figure 3, frequency resource allocation system embodiment of the present invention comprises:
UE32 reports this to connect type of service and Qos parameter to the frequency resource allocation device of being applied for, and initiates corresponding service according to the frequency resource that frequency resource allocation device 34 distributes;
Frequency resource allocation device 34, according to type of service that receives and Qos parameter, and different frequent points resource occupation situation and the pairing time slot configuration of different frequent points, for said UE distributes the correspondent frequency resource.
Wherein, frequency resource allocation device 34 can carry out corresponding time slot configuration to each frequency according to business demand.
Preferably, present embodiment also comprises:
Qos parameter adjustment controls 36; Be used for taking situation according to the network its other resources, the said Qos parameter that adjustment receives sends to said frequency resource allocation device 34; Or when service bandwidth changes in demand that UE32 inserts; According to the variation of UE service bandwidth demand, adjust UE32 QoS of survice parameter, and inform the QoS consultation parameter that frequency resource allocation device 34 upgrades through RAB modify;
Frequency resource allocation device 34 again for UE32 distributes corresponding frequency, is adjusted to corresponding frequency through the physical channel reconfiguration message with the service dynamic that UE32 inserts according to adjusted qos parameter.
More preferably; Frequency resource allocation device 34; Also when the interference level of the residing frequency resource of UE32 surpasses preset thresholding; It is less that the service dynamic of UE32 access is adjusted to frequency time slot configuration parameter, and this connects the frequency resource of the business of applying for and the frequency that interference level is lower than preset thresholding to have enough accesses.
The frequency resource allocation system of present embodiment, through the demand according to business, type of service, the Qos parameter when service access, initiated according to UE, and the time slot configuration of different frequent points resource occupation situation and different frequent points are for UE distributes the correspondent frequency resource.With the service access of different upstream and downstream bandwidth source demand frequency that be fit to, coupling, thereby promote the network radio resources utilance, reduced interference, improved user's susceptibility.
In addition, the frequency resource allocation system of present embodiment can combine network its other resources occupancy, adjustment user's qos parameter, and it is more reasonable for the distribution of frequency resource to make.And after service access,,, professional stability and user's susceptibility have been improved for UE redistributes frequency resource through according to the variation of service bandwidth demand or the variation of frequency interference level.
What should explain is: above embodiment is only unrestricted in order to explanation the present invention, and the present invention also is not limited in above-mentioned giving an example, and all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the claim scope of the present invention.
Claims (16)
1. a frequency resource allocation method is characterized in that, comprising:
Type of service and Qos parameter that this connection that A, network side reception UE report is applied for;
B, said network side are according to the said type of service, the Qos parameter that receive, and different frequent points resource occupation situation and the pairing different time-gap configuration of frequency, for said UE distributes the correspondent frequency resource.
2. frequency resource allocation method according to claim 1 is characterized in that, also comprises before the said steps A:
Network side carries out corresponding time slot configuration according to business demand to each frequency.
3. frequency resource allocation method according to claim 1 is characterized in that, said step B specifically comprises:
B1, said network side calculate the time slot configuration parameter of each frequency according to this upstream and downstream bandwidth demand that connects institute's business of applying in the time slot configuration of each frequency and the said Qos parameter;
B2, the said time slot configuration parameter that will calculate are arranged from small to large, and said network side is analyzed the frequency resource whether said time slot configuration parameter frequency points corresponding has this connection of enough accesses business of applying for successively;
B3, when said frequency have enough accesses this when connecting institute and apply for professional frequency resource, said network side selects this frequency as the frequency that inserts this connection business of applying for.
4. frequency resource allocation method according to claim 3 is characterized in that, said step B1 specifically comprises:
Calculate said frequency time slot configuration parameter according to following formula:
| (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, and this upstream and downstream bandwidth demand that connects institute's business of applying for is A/B.
5. frequency resource allocation method according to claim 3 is characterized in that, said step B3 specifically comprises:
When said time slot configuration parameter frequency points corresponding have enough accesses this when connecting institute and apply for professional frequency resource, said network side selects interference level is lower than preset thresholding in this frequency frequency as the frequency that inserts this connection business of applying for.
6. frequency resource allocation method according to claim 1 is characterized in that, also comprises before the said step B:
Said network side also further takies situation according to the network its other resources, adjusts said Qos parameter;
Among the said step B, said network side is that said UE distributes the correspondent frequency resource according to adjusted Qos parameter.
7. frequency resource allocation method according to claim 3 is characterized in that, also comprises:
When service bandwidth changes in demand that said UE inserts, said network side is according to the variation of said UE service bandwidth demand, the qos parameter of adjustment UE access service, and distribute corresponding frequency for said UE again according to said step B according to new qos parameter.
8. frequency resource allocation method according to claim 5 is characterized in that, also comprises:
When the interference level of the residing frequency resource of said UE surpasses preset thresholding; It is less that the service dynamic of said UE access is adjusted to said frequency time slot configuration parameter, and this connects the frequency resource of the business of applying for and the frequency that interference level is lower than preset thresholding to have enough accesses.
9. a frequency resource allocation device is characterized in that, comprising:
Receiver module is used to receive that UE reports that this connects the type of service and the Qos parameter of being applied for;
Analyze and select module, be used for according to the said type of service, the Qos parameter that receive, and different frequent points resource occupation situation and the pairing different time-gap configuration of frequency, for said UE distributes the correspondent frequency resource.
10. frequency resource allocation device according to claim 9 is characterized in that, said analysis selects module specifically to comprise:
Calculating sub module is used for applying for that according to time slot configuration and this connection of each frequency professional upstream and downstream bandwidth demand calculates the time slot configuration parameter of each frequency;
The ordering submodule is used for the said time slot configuration parameter that calculates is arranged from small to large;
Analyze submodule, be used for analyzing successively the frequency resource whether said time slot configuration parameter frequency points corresponding has this connection of enough accesses business of applying for,
The chooser module is used to select to have this frequency that connects the professional frequency resource of applying for of enough accesses and connects the professional frequency of applying for as inserting this.
11. frequency resource allocation device according to claim 10 is characterized in that, said calculating sub module is specifically calculated said frequency time slot configuration parameter according to following formula:
| (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, and this upstream and downstream bandwidth demand that connects institute's business of applying for is A/B.
12. frequency resource allocation device according to claim 9 is characterized in that, said analysis submodule is also further analyzed interference level in this frequency;
Said chooser module, the frequency that is used to select interference level to be lower than preset thresholding connects the professional frequency of applying for as inserting this.
13. frequency resource allocation device according to claim 9 is characterized in that, also comprises:
Configuration module is used for according to business demand each frequency being carried out corresponding time slot configuration.
14. a frequency resource allocation system is characterized in that, comprising:
UE reports this to connect type of service and Qos parameter to the frequency resource allocation device of being applied for, and initiates corresponding service according to the frequency resource that said frequency resource allocation device distributes;
Said frequency resource allocation device, according to the said type of service that receives, Qos parameter, and different frequent points resource occupation situation and the pairing different time-gap configuration of frequency, for said UE distributes the correspondent frequency resource.
15. frequency resource allocation according to claim 14 system is characterized in that, also comprises:
The Qos parameter adjustment controls; Be used for taking situation according to the network its other resources; The said Qos parameter that receives of adjustment, or when the service bandwidth changes in demand of said UE access, according to the variation of UE service bandwidth demand; Adjustment UE QoS of survice parameter sends to said frequency resource allocation device with adjusted qos parameter;
Said frequency resource allocation device distributes corresponding frequency for said UE again according to new qos parameter, through the physical channel reconfiguration message service dynamic that said UE inserts is adjusted to corresponding frequency.
16. frequency resource allocation according to claim 14 system; It is characterized in that; Said frequency resource allocation device; When the interference level of the residing frequency resource of said UE surpassed preset thresholding, it is less that the service dynamic that said UE is inserted is adjusted to said frequency time slot configuration parameter, has this frequency resource and interference level that connects institute's business of apply for of enough accesses and be lower than the frequency of presetting thresholding.
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| US11432292B2 (en) | 2018-01-12 | 2022-08-30 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Resource allocation method, and network device, terminal device and computer storage medium |
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| CN102333315B (en) | 2014-07-02 |
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