CN102333315B - Frequency resource allocation method, device and system - Google Patents
Frequency resource allocation method, device and system Download PDFInfo
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- CN102333315B CN102333315B CN201010229556.XA CN201010229556A CN102333315B CN 102333315 B CN102333315 B CN 102333315B CN 201010229556 A CN201010229556 A CN 201010229556A CN 102333315 B CN102333315 B CN 102333315B
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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
Main employing with frequency or inter-frequency networking mode in existing TDD system group network process.But in system, different frequent points all adopts unified time slot configuration.Demand side in business to Radio Resource, dissimilar business is different to the demand of upstream and downstream bandwidth, as voice, visual telephone class business up-downgoing demand symmetric bandwidth, streaming media service need that downlink bandwidth is higher, monitoring service demand upstream bandwidth is higher etc.
The shortcoming of prior art mainly comprises the following aspects:
(1) along with cordless communication network development, UE type of service is enriched constantly, and different kinds of business is to network up and down bandwidth demand difference;
(2) existing TDD system adopts with frequency or inter-frequency networking mode, and in system, different frequent points all adopts unified time slot configuration, and fixing time slot configuration has locked upstream and downstream bandwidth resource and distributed;
(3) there is up-downgoing asymmetric traffic if network is concentrated, can cause network descending/uplink service time slot is saturated, and uplink/downlink sub-carriers time slot is idle, causes more serious frequency resource waste.
Summary of the invention
The object of the invention is to, a kind of frequency resource allocation method, Apparatus and system are provided, frequency that the service access of different upstream and downstream bandwidth source demand is applicable to, coupling, promotes network radio resources utilance.
For achieving the above object, according to an aspect of the present invention, provide a kind of frequency resource allocation method, comprising: type of service and Qos parameter that this connection that A, network side reception UE report is applied for; B, described network side are according to the described type of service, the Qos parameter that receive, and different frequent points resource occupation situation and the corresponding different time-gap configuration of frequency, for described UE distributes corresponding frequency resource.
For achieving the above object, according to another aspect of the present invention, provide a kind of frequency resource allocation device, comprising: receiver module, connects the Qos parameter of the business of applying for for this that receives that UE reports; Analyze and select module, the described Qos parameter receiving for basis, and different frequent points resource occupation situation and different time-gap configuration corresponding to frequency, for described UE distributes corresponding frequency resource.
For achieving the above object, according to another aspect of the present invention, a kind of frequency resource allocation system is provided, comprise: UE, report this to connect the type of service of applying for and Qos parameter to frequency resource allocation device, and the frequency resource of distributing according to described frequency resource allocation device is initiated corresponding service; Described frequency resource allocation device, according to the described type of service receiving, Qos parameter, and different frequent points resource occupation situation and the corresponding different time-gap configuration of frequency, for described UE distributes corresponding frequency resource.
Frequency resource allocation method of the present invention, Apparatus and system, type of service, the Qos parameter in the time of service access, initiated according to UE, and the time slot configuration of different frequent points resource occupation situation and different frequent points, for UE distributes corresponding frequency resource.In the present invention, frequency that the service access of different upstream and downstream bandwidth source demand is applicable 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.
Brief description of the 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 in 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 described in detail.
In the prior art, different frequency range all adopts unified time slot configuration, and fixing time slot configuration has locked upstream and downstream bandwidth resource and distributed.Therefore the present invention, in TDD system group network process, adopts inter-frequency networking mode, 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, also all frequencies can be divided into multiple groups, not frequency time slot configuration difference on the same group.
embodiment of the method
As shown in Figure 1, frequency resource allocation method embodiment of the present invention comprises the following steps:
Step 102, UE is with after network is set up signaling and is connected, and this connects type of service (CS or PS) and the Qos parameter of applying for first to inform core net by initial message Indicial Message;
Step 104, type of service and Qos parameter that core net is applied for this connection of UE send to UTRAN,
Wherein, for CS business, core net will be set up wireless connections by landwards wireless access network (UMTS Terrestrial Radio Access Network the is called for short UTRAN) request of IU-CS interface; And for PS business, because reporting qos parameter, terminal PS business often directly reports 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 the resource occupation situation of network self, adjusts user's qos parameter, and by with adjust after qos parameter send UTRAN by IU-PS interface, wireless connections are set up in request;
Step 106, UTRAN is according to the described 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 described UE distributes corresponding frequency resource;
Concrete distribution method comprises:
B1, described network side calculate the time slot configuration parameter of each frequency according to this upstream and downstream bandwidth demand that connects the business of applying in the time slot configuration of each frequency point and described Qos parameter;
The following formula of concrete basis calculates described frequency time slot configuration parameter: | (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, and in the definite business Qos parameter of core-network side, this upstream and downstream bandwidth demand that connects the business of applying for is A/B; For example, the time slot configuration of frequency A is 6/3, and this upstream and downstream bandwidth demand that connects the business of applying for is 1/1, and calculating frequency time slot configuration parameter is 1; The time slot configuration of frequency B is 6/2, and this upstream and downstream bandwidth demand that connects the business of applying for is 1/1, and calculating frequency time slot configuration parameter is 2; The time slot configuration of frequency C is 4/1, and this upstream and downstream bandwidth demand that connects the business of applying for is 1/1, and calculating frequency time slot configuration parameter is 3;
Because the availability of frequency spectrum equals business up-downgoing throughput/up-downgoing frequency bandwidth, in TDD system, up-downgoing frequency bandwidth is identical, therefore works as | and hour, the availability of frequency spectrum reaches highest level to the value of (BXn)/(AYn)-1|;
B2, the described time slot configuration parameter calculating is arranged from small to large, according to the availability of frequency spectrum of frequency from high to low, for K1, K2 ... Kn, analyze successively the frequency resource whether frequency corresponding to described time slot configuration parameter has this connection business of applying for of enough accesses, for example calculating time slot configuration parameter is arranged as from small to large: 1,2,3, corresponding frequency is respectively A, B, C;
First, selecting time slot configuration parameter is that 1(is frequency A) corresponding frequency is as this frequency that will access of this business, if the corresponding frequency resource of frequency A does not have enough resources, selecting time slot configuration parameter is that 2(is frequency B) corresponding frequency is as this frequency that will access of this business, the like, until UTRAN selects certain frequency to have enough Radio Resources;
B3, when described frequency have enough accesses this while connecting the frequency resource of the business of apply for, described network side selects this frequency as the frequency that accesses this connection business of applying for.
More preferably, in the time that frequency corresponding to time slot configuration parameter has the frequency resource of this connection business of applying for of enough accesses, as access, this connects the frequency of the business of applying for lower than the frequency of presetting thresholding further to select the interior interference level of this frequency;
Step 108, UTRAN is by the frequency resource notice UE distributing;
Step 110, the frequency resource that UE distributes according to UTRAN, initiates corresponding service at corresponding frequency.
More preferably, after initiation business, when UE service bandwidth changes in demand, core net can be according to the variation of UE service bandwidth demand, adjust UE QoS of survice parameter, and inform by RAB modify the QoS consultation parameter that UTRAN upgrades, UTRAN is according to the variation of QoS consultation parameter, again UE is dynamically adjusted to frequency time slot configuration parameter minimum (being that network uplink and downlink availability of frequency spectrum level is the highest) by physical channel reconfiguration message (Physical Channel Reconfiguration), and there is the Radio Resource of this connection business of applying for of enough accesses; When exceeding certain, 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 the present embodiment, by according to the demand of business, type of service, the Qos parameter in the time of service access, initiated according to UE, and different frequent points resource occupation situation and time slot configuration corresponding to different frequent points, for UE distributes corresponding frequency resource.Frequency that the service access of different upstream and downstream bandwidth source demand is applicable to, coupling is taken into account in addition consideration capacity, interference and the availability of frequency spectrum, thereby is promoted network radio resources utilance in access procedure, has reduced interference, has improved user's susceptibility.
In addition, the frequency resource allocation method of the present embodiment, can, in conjunction with the resource occupation situation of network self, adjust user's qos parameter, and it is more reasonable to make for the distribution of frequency resource.And after the service access of UE, by according to the variation of the variation of service bandwidth demand or frequency interference level, for UE redistributes frequency resource, the stability of business and user's susceptibility are improved.
device embodiment
As shown in Figure 2 a, frequency resource allocation device embodiment of the present invention comprises:
Analyze and select module 206, the described type of service, the Qos parameter that receive for basis, and the time slot configuration of different frequent points resource occupation situation and different frequent points, for described UE distributes corresponding frequency resource.
In the present embodiment, also comprise: configuration module 202, for each frequency being carried out to corresponding time slot configuration according to business demand.
Wherein, as shown in Figure 2 b, analyze and select module 206 specifically to comprise:
Calculating sub module 2062, for calculating the time slot configuration parameter of each frequency according to the upstream and downstream bandwidth demand of the time slot configuration of each frequency and this connection business of applying for; The following formula of concrete basis calculates described frequency time slot configuration parameter: | (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, this upstream and downstream bandwidth demand that connects the business of applying for is A/B;
Analyze submodule 2066, whether there is the frequency resource of this connection business of applying for of enough accesses for analyzing successively frequency corresponding to described time slot configuration parameter,
Chooser module 2068, for selecting the frequency of the frequency resource with this connection business of applying for of enough accesses, as access, this connects the frequency of the business of applying for.
Preferably, analyze submodule 2066, also further analyze interference level in this frequency;
Chooser module 2068, for selecting interference level, lower than the frequency of presetting thresholding, as access, this connects the frequency of the business of applying for.
The frequency resource allocation device of the present embodiment, by according to the demand of business, type of service, the Qos parameter in the time of service access, initiated according to UE, and the time slot configuration of different frequent points resource occupation situation and different frequent points, for UE distributes corresponding frequency resource.Frequency that the service access of different upstream and downstream bandwidth source demand is applicable to, coupling is taken into account in addition consideration capacity, interference and the availability of frequency spectrum, thereby is promoted network radio resources utilance in access procedure, has reduced interference, has improved user's susceptibility.
system embodiment
As shown in Figure 3, frequency resource allocation system embodiment of the present invention comprises:
UE32, report this to connect the type of service of applying for and Qos parameter to frequency resource allocation device, and the frequency resource of distributing according to frequency resource allocation device 34 is initiated corresponding service;
Frequency resource allocation device 34, according to the type of service receiving and Qos parameter, and different frequent points resource occupation situation and the corresponding time slot configuration of different frequent points, for described UE distributes corresponding frequency resource.
Wherein, frequency resource allocation device 34, can carry out corresponding time slot configuration to each frequency according to business demand.
Preferably, the present embodiment also comprises:
Qos parameter adjustment controls 36, be used for according to the occupation condition of network self, the described Qos parameter that adjustment receives, send to described frequency resource allocation device 34, or in the time of the service bandwidth changes in demand of UE32 access, according to the variation of UE service bandwidth demand, adjust UE32 QoS of survice parameter, and inform by RAB modify the QoS consultation parameter that frequency resource allocation device 34 upgrades;
Frequency resource allocation device 34, again for UE32 distributes corresponding frequency, adjusts to corresponding frequency by physical channel reconfiguration message by the service dynamic of UE32 access according to the qos parameter after adjusting.
More preferably, frequency resource allocation device 34, also in the time that the interference level of the residing frequency resource of UE32 exceedes default thresholding, the service dynamic of UE32 access is adjusted to frequency time slot configuration parameter less, this connects the frequency resource of the business of applying for and interference level lower than the frequency of presetting thresholding to have enough accesses.
The frequency resource allocation system of the present embodiment, by according to the demand of business, type of service, the Qos parameter in the time of service access, initiated according to UE, and the time slot configuration of different frequent points resource occupation situation and different frequent points, for UE distributes corresponding frequency resource.Frequency that the service access of different upstream and downstream bandwidth source demand is applicable to, coupling, thus network radio resources utilance promoted, reduce interference, improve user's susceptibility.
In addition, the frequency resource allocation system of the present embodiment, can, in conjunction with the resource occupation situation of network self, adjust user's qos parameter, and it is more reasonable to make for the distribution of frequency resource.And after service access, by according to the variation of the variation of service bandwidth demand or frequency interference level, for UE redistributes frequency resource, the stability of business and user's susceptibility are improved.
It should be noted that: above embodiment is only unrestricted in order to the present invention to be described, the present invention is also not limited in above-mentioned giving an example, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in claim scope of the present invention.
Claims (10)
1. a frequency resource allocation method, is characterized in that, comprising:
Type of service and Qos parameter that this connection that steps A, network side reception UE report is applied for;
Step B, described network side are according to the described type of service, the Qos parameter that receive, and different frequent points resource occupation situation and the corresponding different time-gap configuration of frequency, for described UE distributes corresponding frequency resource;
Described step B specifically comprises:
Step B1, described network side calculate the time slot configuration parameter of each frequency according to this upstream and downstream bandwidth demand that connects the business of applying in the time slot configuration of each frequency and described Qos parameter; Calculate described frequency time slot configuration parameter according to following formula:
| (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, this upstream and downstream bandwidth demand that connects the business of applying for is A/B;
Step B2, the described time slot configuration parameter calculating is arranged from small to large, described network side is analyzed successively frequency corresponding to described time slot configuration parameter and whether is had enough accesses this connects the frequency resource of the business of applying for;
Step B3, when described frequency have enough accesses this while connecting the frequency resource of the business of apply for, described network side selects this frequency as the frequency that accesses this connection business of applying for, specifically comprises:
In the time that frequency corresponding to described time slot configuration parameter has the frequency resource of this connection business of applying for of enough accesses, described network side is selected the interior interference level of this frequency, and lower than the frequency of presetting thresholding, as access, this connects the frequency of the business of applying for.
2. frequency resource allocation method according to claim 1, is characterized in that, before described steps A, also comprises:
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, before described step B, also comprises:
Described network side, also further according to the occupation condition of network self, is adjusted described Qos parameter;
In described step B, described network side is that described UE distributes corresponding frequency resource according to the Qos parameter after adjusting.
4. frequency resource allocation method according to claim 1, is characterized in that, also comprises:
In the time of the service bandwidth changes in demand of described UE access, described network side, according to the variation of described UE service bandwidth demand, is adjusted the qos parameter of UE access service, and is again distributed corresponding frequency for described UE according to new qos parameter according to described step B.
5. frequency resource allocation method according to claim 4, is characterized in that, also comprises:
In the time that the interference level of the residing frequency resource of described UE exceedes default thresholding, the service dynamic of described UE access is adjusted to described frequency time slot configuration parameter less, this connects the frequency resource of the business of applying for and interference level lower than the frequency of presetting thresholding to have enough accesses.
6. a frequency resource allocation device, is characterized in that, comprising:
Receiver module, connects type of service and the Qos parameter of applying for for this that receives that UE reports;
Analyze and select module, the described type of service, the Qos parameter that receive for basis, and different frequent points resource occupation situation and the corresponding different time-gap configuration of frequency, for described UE distributes corresponding frequency resource;
Described analysis selects module specifically to comprise:
Calculating sub module, for calculating the time slot configuration parameter of each frequency according to the upstream and downstream bandwidth demand of the time slot configuration of each frequency and this connection business of applying for;
Sequence submodule, for arranging the described time slot configuration parameter calculating from small to large;
Analyze submodule, whether there is the frequency resource of this connection business of applying for of enough accesses for analyzing successively frequency corresponding to described time slot configuration parameter,
Chooser module, for selecting the frequency of the frequency resource with this connection business of applying for of enough accesses, as access, this connects the frequency of the business of applying for;
Described calculating sub module, the following formula of concrete basis calculates described frequency time slot configuration parameter:
| (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, this upstream and downstream bandwidth demand that connects the business of applying for is A/B;
Described analysis submodule, also further analyzes interference level in this frequency;
Described chooser module, for selecting interference level, lower than the frequency of presetting thresholding, as access, this connects the frequency of the business of applying for.
7. frequency resource allocation device according to claim 6, is characterized in that, also comprises:
Configuration module, for carrying out corresponding time slot configuration according to business demand to each frequency.
8. a frequency resource allocation system, is characterized in that, comprising:
UE, report this to connect the type of service of applying for and Qos parameter to frequency resource allocation device, and the frequency resource of distributing according to described frequency resource allocation device is initiated corresponding service;
Described frequency resource allocation device, according to the described type of service receiving, Qos parameter, and different frequent points resource occupation situation and the corresponding different time-gap configuration of frequency, for described UE distributes corresponding frequency resource;
Described frequency resource allocation device, for calculating the time slot configuration parameter of each frequency according to upstream and downstream bandwidth demand of the time slot configuration of each frequency and this connection business of applying for of described Qos parameter; Calculate described frequency time slot configuration parameter according to following formula: | (BXn)/(AYn)-1|, the time slot configuration of wherein said frequency is Xn/Yn, this upstream and downstream bandwidth demand that connects the business of applying for is A/B; The described time slot configuration parameter calculating is arranged from small to large, analyze successively frequency corresponding to described time slot configuration parameter and whether there is enough accesses this connects the frequency resource of the business of applying for; In the time that described frequency has the frequency resource of this connection business of applying for of enough accesses, this connects the frequency of the business of applying for as access to select this frequency, specifically comprise: in the time that frequency corresponding to described time slot configuration parameter has the frequency resource of this connection business of applying for of enough accesses, as access, this connects the frequency of the business of applying for lower than the frequency of presetting thresholding to select the interior interference level of this frequency.
9. frequency resource allocation system according to claim 8, is characterized in that, also comprises:
Qos parameter adjustment controls, be used for according to the occupation condition of network self, the described Qos parameter that adjustment receives, or in the time of the service bandwidth changes in demand of described UE access, according to the variation of UE service bandwidth demand, adjust UE QoS of survice parameter, the qos parameter after adjusting is sent to described frequency resource allocation device;
Described frequency resource allocation device, distributes corresponding frequency for described UE again according to new qos parameter, by physical channel reconfiguration message, the service dynamic of described UE access is adjusted to corresponding frequency.
10. frequency resource allocation system according to claim 8, it is characterized in that, described frequency resource allocation device, in the time that the interference level of the residing frequency resource of described UE exceedes default thresholding, the service dynamic of described UE access is adjusted to described frequency time slot configuration parameter less, this connects the frequency resource of the business of applying for and interference level lower than the frequency of presetting thresholding to have enough accesses.
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| WO2013134960A1 (en) * | 2012-03-16 | 2013-09-19 | Telefonaktiebolaget L M Ericsson (Publ) | Method, network node, computer program and computer program product for determining resource allocation between downlink and uplink |
| CN103875269B (en) * | 2012-09-07 | 2018-10-30 | 华为技术有限公司 | The method and apparatus of wireless communication, network node |
| CN103037376B (en) * | 2012-12-21 | 2016-08-03 | 深圳市国电科技通信有限公司 | The Adaptive Time Division Duplex system and method dynamically distributed with wireless communication system |
| WO2016123750A1 (en) * | 2015-02-03 | 2016-08-11 | 华为技术有限公司 | Resource scheduling method, device and system |
| CN106332088B (en) * | 2015-06-28 | 2020-01-17 | 上海无线通信研究中心 | Frequency spectrum sharing method based on user fairness among different operators |
| CN107070620B (en) * | 2016-12-09 | 2019-10-18 | 深圳信息职业技术学院 | A kind of wireless communication system resource allocation methods and device |
| CN107223358B (en) | 2017-04-27 | 2020-11-10 | 北京小米移动软件有限公司 | Service multiplexing transmission method and device and computer readable storage medium |
| US11109353B2 (en) | 2017-09-15 | 2021-08-31 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Data transmission method, terminal device, and network device |
| WO2019061161A1 (en) | 2017-09-28 | 2019-04-04 | Oppo广东移动通信有限公司 | Resource allocation method, network device and communication device |
| CN109729588B (en) * | 2017-10-31 | 2020-12-15 | 华为技术有限公司 | Service data transmission method and device |
| AU2018401500A1 (en) | 2018-01-12 | 2020-08-20 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Resource allocation method, and network device, terminal device and computer storage medium |
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