CN1859600A - Method and its device for re-distributing resource in radio evolution network - Google Patents
Method and its device for re-distributing resource in radio evolution network Download PDFInfo
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Abstract
The present invention discloses resource redistribution method and device in wireless evolution network. Said device includes wireless support server, source base station and neighbor base station. Said method includes through wireless support server triggering wireless resource redistribution process, source base station doing final wireless resource redistribution action decision, through wireless support server, source base station and neighbor base station common completing whole wireless resource redistribution process. The present invention realizes cell interference administration and load equalization.
Description
Technical field
The present invention relates to the wireless mobile communications field, relate in particular to the method and the device thereof of resource re-allocation in a kind of wireless evolution network.
Background technology
Universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) be to adopt Wideband Code Division Multiple Access (WCDMA) to insert (Wideband Code Division Multiple Access, WCDMA) 3-G (Generation Three mobile communication system) of air interface technologies (3G) also calls the WCDMA communication system to UMTS usually.
Figure 1 shows that the system construction drawing of UMTS.UMTS has adopted and the similar structure of second generation mobile communication system (2G), it comprises Radio Access Network (Radio Access Network, RAN) 20 (is UMTS Terrestrial radio access network (UMTS Territorial Radio Access Network, and core net (Core Network, CN) 30 UTRAN)).Wherein Radio Access Network 20 is used to handle all and wireless function associated, and core net 30 handles that all voice calls are connected with data in the UMTS, and the exchange and the routing function of realization and external network 40.Core net 30 is from being divided into 3G circuit switching (Circuit Switched, CS) 32 and 3G packet switching (Packet Switched, PS) 34 in logic.Radio Access Network 20, core net 30, (User Equipment, UE) 10 have constituted whole UMTS together with subscriber equipment.
Figure 2 shows that the network structure of UTRAN.UTRAN comprises one or more RNSs (Radio Network Subsystem, RNS) 22.RNS 22 by a radio network controller (Radio Network Controller, RNC) 24 and one or more NodeB (base station) 26 form.Interface between RNC 24 and the core net 30 is the Iu interface, and NodeB 26 and RNC 24 are connected by Iub interface.In UTRAN inside, interconnected by the Iur interface between the RNC 24, the Iur interface can connect by connection of the direct physical between the RNC 24 or transmission network.RNC 24 is used for distributing and is attached thereto with control or the Radio Resource (Radio Resource) of relevant NodeB 26.26 of NodeB finish the conversion of the data flow between Iub interface and the Uu interface, also participate in a part of RRM simultaneously.NodeB 26 is base stations of WCDMA system, comprises radio receiving-transmitting unit and Base-Band Processing parts.By the Iub interface and RNC 24 interconnection of standard, mainly finish the processing of Uu interface physical layer protocol.Its major function is spread spectrum, modulation, chnnel coding and despreading, demodulation, channel-decoding, also comprises the functions such as mutual conversion of baseband signal and radiofrequency signal.RNC 24 is used to control the Radio Resource of UTRAN, mainly finishes functions such as connection foundation and disconnection, switching, the merging of grand diversity, RRM control.
The above network architecture is based on the 3GPP Rel6 framework of version in the past, present 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) studying a kind of brand-new evolution network framework, to satisfy the application demand of mobile network in 10 years futures even longer time.Owing to be a kind of brand-new network architecture, substantial variation all will take place in all nodes, function and the flow process of therefore existing framework.Have a variety of evolution schemes to launch discussion at 3GPP at present, the purpose of network evolution is to be desirable to provide a kind of low time delay, high data rate, high power system capacity and covering, low cost, complete IP-based network.
3GPP provides a kind of wireless evolution network, and (Long Term Evolution is that the special use of the long-term evolution items of network of 3GPP is write a Chinese character in simplified form LTE) to Long Term Evolution.In this evolvement network, the framework of access network part is evolved to the single node framework that has only a node eNodeB (evolved NodeB) by the NodeB of 3G network and two node structures of RNC.In the research of evolvement network, the design of the radio resource management function of Radio Access Network is an important problem, especially (Radio Resource Management, RRM) function is as interference management, load balancing etc. to consider RRM between the eNodeB.At present the RRM function structure of the LTE that reaches at this problem as shown in Figure 3.
Figure 3 shows that the function structure distribution map of the RRM of prior art.In this framework, E1 is the air interface of UE 10 and network side; E2 is a logic interfacing, and reality is made up of E1 and E3; E3 is the interface between eNodeB 50 and the Centroid eCRNC (evolved Controlling RNC, evolution control RNC) 60, and this eCRNC 60 has the RRM function between the eNodeB 50; E4 is the interface in the user plane of eNodeB and core net node; The similar existing Iu interface of E5 is the interface between access network and the core net; E6 is chain of command and the interface in the user plane between MME/ASGW (Mobility Management Entity/AccessGateway, mobile management entity/IAD) 80 and the mobile anchor point (not shown); E7 provides eNodeB and gateway module 70 (O﹠amp; M Node, Operations ﹠amp; Maintenance Node, operation and maintenance node) interface between.
Under this framework, the RRM function is mainly finished at eNodeB 50, and other RRM functions as 50 of eNodeB are then mainly finished by Centroid eCRNC 60.
When carrying out the RRM function of 50 of eNodeB, need obtain the RRM information of adjacent eNodeB 50, obtaining of RRM information in this framework is to finish by the E3 interface, promptly provide local RRM information to Centroid eCRNC by each eNodeB50, eCRNC is responsible for collecting these RRM information, and finishes the RRM function of 50 of corresponding eNodeB based on these information.
Most of wireless communication systems all are based on so-called multiple access techniques, transmit therein such as the information of voice-and-data.This is a kind of many users who activates simultaneously share the same system resource in organized mode a technology.
In using the 3G network of CDMA technology, because the pseudo orthogonal code that adopts, so exist the phase mutual interference between a plurality of users in sub-district.On the traditional sense, this interference is considered to destroy the part of the inevitable noise of transmission.
In the evolvement network that uses the OFDMA technology, between the different user of same sub-district because the mutually orthogonal of subcarrier, do not have inter-user interference in theory, and when minizone employing similar frequency bands, the interference of minizone then becomes the key factor that influences systematic function.Therefore people need realize the interference management and the load balancing of minizone in wireless evolution network, promptly need be in wireless evolution network managing radio resources.
Yet a problem is, only defined the framework of RRM system in correlation technique, do not provide the concrete scheme that how to realize interference management and load balancing under this framework.
Describe the soft multiplexing solution of Radio Resource of the prior art with reference to Fig. 4 below, this scheme has solved the interference problem of cell edge, also can provide the availability of frequency spectrum preferably simultaneously.
The resource of minizone adopts the soft multiplexing method of Radio Resource, be that each sub-district is divided into two parts in center and marginal zone, the marginal zone is the zone that has signal to intersect with other sub-districts, the marginal zone of each sub-district by static or semi-static distribution the part Radio Resource, the Radio Resource that the marginal zone of neighbor cell is assigned to is disjoint.The base station is in the process of carrying out professional transmitting and scheduling, and at first scheduling is in the UE of marginal zone, and the Radio Resource of its scheduling can only be in its Radio Resource of assigning to; After the UE of marginal zone scheduling was finished, scheduling was in the UE of center again, and its schedulable Radio Resource is all Radio Resources that are left.The part resource allocation of cell edge can change with the long cycle, guaranteed the optimization of resource in long-time.Such scheme has solved the interference problem of cell edge, and the availability of frequency spectrum preferably (it is soft multiplexing that the allocation of radio resources scheme that the sub-district is divided into edge and center calls Radio Resource) also can be provided simultaneously.The resource allocation of this scheme as shown in Figure 4.
Yet, this scheme only limits to solve the interference problem of cell edge, its at be the solution of physical layer, and, still do not provide concrete solution for the RRM of how realizing under the LTE framework shown in Figure 3 based on interference management and load balancing.
Therefore, people need a solution, can solve the problem in the above-mentioned correlation technique, are used at the wireless evolution network managing radio resources.
Summary of the invention
In view of this, technical problem to be solved by this invention is method and the device thereof that is to provide resource re-allocation in a kind of wireless evolution network, to realize the interference management and the load balancing of the minizone in the evolvement network.
For solving the problems of the technologies described above, the present invention is by adopting following technical scheme to realize:
The method of resource re-allocation in a kind of wireless evolution network of the present invention, it may further comprise the steps:
Step a, radio support server obtain the up-to-date RRM relevant information of source base station and adjacent base station sub-district thereof;
After step b, radio support server receive the up-to-date RRM relevant information of minizone, upgrade inner database, and up-to-date data are analyzed, need to judge whether the edge radio resource distribution condition of change minizone, edge radio resource when needs change minizone divides timing, then proceed to step c, otherwise, this flow process then stopped;
Step c, radio support server, source base station and adjacent base station thereof cooperate the follow-up cell edge radio resource of concrete execution heavily to distribute.
In the method, step a can comprise two kinds of situations,
Under first kind of situation, step a specifically may further comprise the steps:
The current RRM relevant information in this sub-district is monitored and collected to step a1, source base station and adjacent base station thereof respectively;
Step a2, source base station and adjacent base station thereof the mode by Event triggered or periodic triggers is RRM relevant information between the radio support server reporting subdistrict respectively.
Under second kind of situation, step a specifically may further comprise the steps:
The current RRM relevant information in this sub-district is monitored and collected to step a1 ', source base station and adjacent base station thereof respectively;
Step a2 ', radio support server pass through the mode of Event triggered or periodic triggers to source base station and adjacent base station request minizone RRM relevant information thereof;
Step a3 ', source base station and adjacent base station thereof receive after this request RRM relevant information between the radio support server reporting subdistrict respectively.
In the method, step c specifically may further comprise the steps:
Step c1, radio support server send updating edge resource allocation request signaling according to the internal algorithm conclusion to the adjacent base station that needs the updating edge resource allocation, require corresponding base station updating edge resource allocation subclass;
Step c2, the adjacent base station that receives updating edge resource allocation request signaling are handled its Radio Resource according to parameter in the signaling and s own situation, and the Radio Resource that requires to abdicate is conducted the locking operations;
Step c3, the adjacent base station of finishing resource lock send the updating edge resource allocation to radio support server and confirm signaling;
Step c4, radio support server finally can distribute to the new Radio Resource situation of source base station according to these signalings decisions after receiving that signaling is confirmed in all updating edge resource allocations, and send edge resource assignment commands signaling to source base station;
Step c5, source base station finish the heavily distribution of edge resource according to the requirement of edge resource assignment commands signaling, and send the updating edge allocation of radio resources to radio support server and finish signaling;
Step c6, radio support server are notified adjacent base station after receiving that signaling is finished in the updating edge resource allocation, adjacent base station is handled accordingly to the resource that this locality has locked after receiving heavy allocation result.
In addition, the present invention also provides the device of resource re-allocation in a kind of wireless evolution network, it comprises radio support server, source base station and adjacent base station, trigger the heavy allocation flow of Radio Resource by radio support server, do the heavy assign action decision-making of final Radio Resource by source base station, and finish the heavy assigning process of whole Radio Resource jointly by radio support server, source base station and adjacent base station.
Compared with prior art, the present invention has following beneficial effect: the present invention triggers the resource re-allocation flow process by introducing radio support server, solve the problem of minizone RRM in the wireless evolution network, realized the interference management and the load balancing of minizone.
Description of drawings
Fig. 1 is the system construction drawing of UMTS.
Fig. 2 is the network structure of UTRAN.
Fig. 3 is the function structure distribution map of the RRM of prior art.
Fig. 4 is a Radio Resource soft-frequency reuse schematic diagram.
Fig. 5 is a kind of radio gradual network structure with radio support server of two-layer node.
Fig. 6 is the signaling process figure of resource re-allocation in the wireless evolution network of the present invention.
Embodiment
For making technical problem to be solved by this invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
Figure 5 shows that a kind of radio gradual network structure of two-layer node with radio support server.
The method of resource re-allocation in a kind of wireless evolution network of the present invention, its invention basic ideas are: introduce radio support server in wireless evolution network, radio support server is collected the wireless resource management information of each base station by the mode of periodicity or Event triggered.Comprise the load information of each sub-district etc. in this information.Radio support server is differentiated according to the information that these report.When the load of the edge of some sub-districts is heavier, where want the distribution of some edge resource from the lighter sub-district of contiguous load, be that the part resource allocation of cell edge can trigger certain flow process and reconfigures when the neighbor cell load is unbalanced, to realize the function of interference management and load balancing.
Method to resource re-allocation in the wireless evolution network of the present invention is described in detail below.This wireless evolution network comprises radio support server, source base station and adjacent base station, and this method comprises the steps:
The current RRM relevant information in this sub-district is monitored and collected to step S1, source base station and adjacent base station thereof respectively.
Wherein the RRM relevant information comprises the total load of sub-district, the load in cell edge district, the distribution situation of cell edge load or the distribution of wireless channel conditions on frequency domain of cell edge.But therefore the edge distributing radio resource collection of sub-district is not needed to report by the radio support server configuration.
Step S2, source base station and adjacent base station thereof the mode by Event triggered or periodic triggers is RRM relevant information between the radio support server reporting subdistrict respectively.
So-called Event triggered is meant the triggering when the RRM relevant information of collecting meets Radio Resource weight distributive condition.The condition of Event triggered comprises following two kinds of situations:
The one, the load of working as the fringe region of source base station sub-district surpasses or is lower than the situation of a predetermined threshold;
The 2nd, the Radio Resource the dispatched channel condition variation that ought distribute to described source base station cell edge originally is to the situation that is lower than another predetermined threshold value.
Step S1 and S2 belong to the process that radio support server obtains the RRM relevant information of source base station and adjacent base station minizone.Resource re-allocation flow chart wherein shown in Figure 6 and process described above thereof are the passive processes of obtaining the RRM relevant information of source base station sub-district and adjacent base station sub-district of radio support server.Be noted that the above only is one of them specific embodiment of the present invention, only, the present invention is not limited only to this.Step S1 of the present invention and S2 can also initiatively obtain the process of the RRM relevant information of source base station sub-district and target BS sub-district for radio support server.
Below initiatively obtain the process of the RRM relevant information of source base station sub-district and target BS sub-district for radio support server, it specifically comprises:
The current RRM relevant information in this sub-district is monitored and collected to step S1 ', source base station and adjacent base station thereof respectively;
Step S2 ', the radio support server mode by Event triggered or periodic triggers is to source base station and adjacent base station request minizone RRM relevant information thereof, and source base station and adjacent base station thereof receive after this request RRM relevant information between the radio support server reporting subdistrict respectively.
After step S3, radio support server receive the up-to-date minizone wireless resource management information of sending the base station, upgrade inner database, and up-to-date data are analyzed, need to judge whether the edge radio resource distribution condition of change minizone, then carry out follow-up step S4 if desired to step S9, if do not need, then stop this flow process.
In this step, concrete deterministic process is carried out according to internal algorithm by radio support server, for example, when the load of the edge of source base station sub-district is heavier, if the edge load of neighbor cell is lighter, then can change the edge radio resource distribution condition of minizone, distribute to the source base station sub-district from what where neighbor cell wanted some edge resource; If the edge load of neighbor cell is also heavier, then do not change the edge radio resource distribution condition of minizone.
Step S4, radio support server reduce the adjacent base station transmission updating edge resource allocation request signaling that edge resource is distributed according to the internal algorithm conclusion to needs, require adjacent base station to reduce edge resource and distribute subclass.
Have a plurality of adjacent base stations that need to reduce resource allocation in the ordinary course of things, then can be simultaneously to parallel this signaling that sends of a plurality of adjacent base stations.
Step S5, the adjacent base station that receives updating edge resource allocation request signaling are handled its Radio Resource according to parameter in the signaling and the loading condition of self, and the resource that requires to abdicate is conducted the locking operations.
In this step, because the data in the database of radio support server are not necessarily fully real-time, the result that a plurality of adjacent base station conducted the locking operations may not be identical, the more resource of base station locking that may have, the less resource of the base station that has locking.
Step S6, the adjacent base station of finishing resource lock send the updating edge resource allocation to radio support server and confirm signaling, comprise the information of locked resource in this affirmation signaling.
Step S7, radio support server are after receiving that signaling is confirmed in all updating edge resource allocations, according to the resource lock situation that comprises in these signalings, decision finally can be distributed to the new Radio Resource situation of source base station, and sends edge resource assignment commands signaling to source base station.
Step S8, source base station finish the heavily distribution of edge resource according to the requirement of edge resource assignment commands signaling, and send the updating edge allocation of radio resources to the Radio Resource server and finish signaling, and this finishes the result who comprises in the signaling that Radio Resource is redistributed.
Step S9, radio support server are after receiving that signaling is finished in the updating edge resource allocation, the notice adjacent base station, adjacent base station is handled the resource that this locality has locked accordingly according to this information after receiving heavy allocation result, comprises work such as part release.
Step S4 belongs to radio support server, source base station and adjacent base station cooperation thereof to step S9 and carries out the concrete implementation that follow-up cell edge radio resource heavily distributes.
But the edge distributing radio resource subclass of considering different districts can not intersect, but said process at first sends the signaling that reduces edge distributing radio resource subclass, but reduced edge distributing radio resource subclass according to signaling in respective cell, vacated new resource, but just send the signaling that increases edge distributing radio resource subclass then, to guarantee the non-intersect of minizone.
Radio Resource heavily distributes the two kinds of situations that comprise: the one, and allow the adjacent base station sub-district abdicate the part Radio Resource, the source base station sub-district increases this a part of Radio Resource that the adjacent base station sub-district is abdicated; The 2nd, source base station and adjacent base station sub-district replacing section Radio Resource, promptly the part Radio Resource is abdicated for the use of adjacent base station sub-district in the source base station sub-district, and the adjacent base station sub-district is abdicated other a part of Radio Resource and is used for the source base station sub-district.Be noted that the method for specific embodiment of the invention resource re-allocation is to describe in detail at first kind of situation, but the present invention not only is confined to this, the method that Radio Resource of the present invention heavily distributes is equally applicable to second kind of situation.
The present invention also provides the device of resource re-allocation in a kind of wireless evolution network, it comprises radio support server, source base station and adjacent base station, trigger the heavy allocation flow of Radio Resource by radio support server, do the heavy assign action decision-making of final Radio Resource by source base station, and finish the heavy assigning process of whole Radio Resource jointly by radio support server, source base station and adjacent base station.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, the method for resource re-allocation in a kind of wireless evolution network, wireless evolution network comprises radio support server, source base station and adjacent base station, it is characterized in that: this method may further comprise the steps:
Step a, radio support server obtain the up-to-date RRM relevant information of source base station sub-district and adjacent base station sub-district thereof;
After step b, radio support server receive the up-to-date RRM relevant information of minizone, upgrade inner database, and up-to-date data are analyzed, need to judge whether the edge radio resource distribution condition of change minizone, edge radio resource when needs change minizone divides timing, then proceed to step c, otherwise, this flow process then stopped;
Step c, radio support server, source base station and adjacent base station thereof cooperate the follow-up cell edge radio resource of execution heavily to distribute.
2, the method for claim 1 is characterized in that, step a specifically may further comprise the steps:
The current RRM relevant information in this sub-district is monitored and collected to step a1, source base station and adjacent base station thereof respectively;
Step a2, source base station and adjacent base station thereof the mode by Event triggered or periodic triggers is RRM relevant information between the radio support server reporting subdistrict respectively.
3, the method for claim 1 is characterized in that, step a specifically may further comprise the steps:
The current RRM relevant information in this sub-district is monitored and collected to step a1 ', source base station and adjacent base station thereof respectively;
Step a2 ', radio support server pass through the mode of Event triggered or periodic triggers to source base station and adjacent base station request minizone RRM relevant information thereof;
Step a3 ', source base station and adjacent base station thereof receive after this request RRM relevant information between the radio support server reporting subdistrict respectively.
4, as each described method in the claim 1 to 3, it is characterized in that step c specifically may further comprise the steps:
Step c1, radio support server send updating edge resource allocation request signaling according to the internal algorithm conclusion to the adjacent base station that needs the updating edge resource allocation, require corresponding base station updating edge resource allocation subclass;
Step c2, the adjacent base station that receives updating edge resource allocation request signaling are handled its Radio Resource according to parameter in the signaling and s own situation, and the Radio Resource that requires to abdicate is conducted the locking operations;
Step c3, the adjacent base station of finishing resource lock send the updating edge resource allocation to radio support server and confirm signaling;
Step c4, radio support server finally can distribute to the new Radio Resource situation of source base station according to these signalings decisions after receiving that signaling is confirmed in all updating edge resource allocations, and send edge resource assignment commands signaling to source base station;
Step c5, source base station finish the heavily distribution of edge resource according to the requirement of edge resource assignment commands signaling, and send the updating edge allocation of radio resources to radio support server and finish signaling;
Step c6, radio support server notify adjacent base station receiving after signaling is finished in the updating edge resource allocation, and adjacent base station is handled accordingly to the resource that this locality has locked after receiving heavy allocation result.
5, method as claimed in claim 4, it is characterized in that, the resource allocation of updating edge described in the step c3 confirms to comprise in the signaling information of locked resource, and the allocation of radio resources of updating edge described in the step c5 is finished the result who comprises in the signaling that Radio Resource is redistributed.
As claim 2 or 3 described methods, it is characterized in that 6, described Event triggered is meant the triggering when the RRM relevant information of collecting meets Radio Resource weight distributive condition.
7, method as claimed in claim 6 is characterized in that, the condition of described Event triggered comprises:
The situation that surpasses or be lower than a predetermined threshold when the load of the fringe region of source base station sub-district; Or
When distributing to the Radio Resource the dispatched channel condition variation of described source base station cell edge to the situation that is lower than another predetermined threshold value originally.
8, as each described method in the claim 1 to 3, it is characterized in that described RRM relevant information comprises the total load of sub-district, the load in cell edge district, the distribution situation of cell edge load or the distribution of wireless channel conditions on frequency domain of cell edge.
9, the method for claim 1 is characterized in that, the Radio Resource among the step c heavily distributes and comprises at least a in the following situation:
9.1 the part Radio Resource is abdicated in the adjacent base station sub-district, the source base station sub-district increases this a part of Radio Resource that the adjacent base station sub-district is abdicated;
9.2 source base station and adjacent base station sub-district replacing section Radio Resource.
10, the device of resource re-allocation in a kind of wireless evolution network, it comprises radio support server, source base station and adjacent base station, it is characterized in that: trigger the heavy allocation flow of Radio Resource by radio support server, do the heavy assign action decision-making of final Radio Resource by source base station, and finish the heavy assigning process of whole Radio Resource jointly by radio support server, source base station and adjacent base station.
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| WO2009114971A1 (en) * | 2008-03-17 | 2009-09-24 | 中兴通讯股份有限公司 | Method for notifying cell change information |
| WO2010028604A1 (en) * | 2008-09-10 | 2010-03-18 | 华为技术有限公司 | Method, device and base station for frequency band allocation |
| CN101212762B (en) * | 2006-12-25 | 2011-03-16 | 华为技术有限公司 | Method and system for allocating radio channel to trunk node |
| CN101784061B (en) * | 2009-11-19 | 2011-05-11 | 北京邮电大学 | Method and device for realizing autonomous load balancing of wireless access network |
| CN102083140A (en) * | 2009-11-30 | 2011-06-01 | 中国移动通信集团江苏有限公司 | Method and device for balanced configuration of wireless channel |
| WO2013029417A1 (en) * | 2011-08-26 | 2013-03-07 | 中兴通讯股份有限公司 | Spectrum resource reallocation method, device, and system |
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| CN1190030C (en) * | 2002-02-05 | 2005-02-16 | 华为技术有限公司 | Realizing method of base station resource management |
| US20040097238A1 (en) * | 2002-11-07 | 2004-05-20 | Samsung Electronics Co., Ltd. | Frequency reuse method in an orthogonal frequency division multiplex mobile communication system |
| US9585023B2 (en) * | 2003-10-30 | 2017-02-28 | Qualcomm Incorporated | Layered reuse for a wireless communication system |
| FI20031935A0 (en) * | 2003-12-31 | 2003-12-31 | Nokia Corp | Allocation of resources in a mobile network |
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| CN101212762B (en) * | 2006-12-25 | 2011-03-16 | 华为技术有限公司 | Method and system for allocating radio channel to trunk node |
| WO2009114971A1 (en) * | 2008-03-17 | 2009-09-24 | 中兴通讯股份有限公司 | Method for notifying cell change information |
| CN101541032B (en) * | 2008-03-17 | 2012-06-06 | 中兴通讯股份有限公司 | Method for notifying change of cell information |
| US8964693B2 (en) | 2008-03-17 | 2015-02-24 | Zte Corporation | Method for notifying the change of cell information |
| WO2010028604A1 (en) * | 2008-09-10 | 2010-03-18 | 华为技术有限公司 | Method, device and base station for frequency band allocation |
| CN101784061B (en) * | 2009-11-19 | 2011-05-11 | 北京邮电大学 | Method and device for realizing autonomous load balancing of wireless access network |
| CN102083140A (en) * | 2009-11-30 | 2011-06-01 | 中国移动通信集团江苏有限公司 | Method and device for balanced configuration of wireless channel |
| CN102083140B (en) * | 2009-11-30 | 2014-04-09 | 中国移动通信集团江苏有限公司 | Method and device for balanced configuration of wireless channel |
| WO2013029417A1 (en) * | 2011-08-26 | 2013-03-07 | 中兴通讯股份有限公司 | Spectrum resource reallocation method, device, and system |
| US9510206B2 (en) | 2011-08-26 | 2016-11-29 | Zte Corporation | Spectrum resource reconfiguration method, device, and system |
| WO2014190469A1 (en) * | 2013-05-27 | 2014-12-04 | 华为技术有限公司 | Uplink signal transmission method and device |
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