CN104429111A - Network system with local cluster, central controller, micro base station and macro base station - Google Patents
Network system with local cluster, central controller, micro base station and macro base station Download PDFInfo
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- CN104429111A CN104429111A CN201280074362.4A CN201280074362A CN104429111A CN 104429111 A CN104429111 A CN 104429111A CN 201280074362 A CN201280074362 A CN 201280074362A CN 104429111 A CN104429111 A CN 104429111A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
Abstract
The embodiments of the present invention provide a network system with local cluster, central controller, micro base station and macro base station; the network system includes a macro base station and a plurality of micro base stations; the network system further includes: one or more central controllers, configured to provide base station collaboration, resource management, interference and power coordination, or synchronization for the plurality of micro base stations. Through the embodiments of the present invention, the overall system performance and radio resource utilization have been improved.
Description
Technical field
The application relates to the communication technology, particularly relates to the network system with local cluster, central controller, micro-base station and macro base station.
Background technology
The cellular macro MPS process with macro cell base station of 3GPP technology has existed for many years, and macrocell covers the major technique being to provide cellular service.In order to increase cell capacity, propose the concept of small cell, disposing in the mode of the base station name such as picocell, Microcell, Femto cell compared with the cluster of small-cell size covering under wherein being covered by macrocell.
On the other hand, Wi-Fi (Wireless Fidelity), the example of WLAN (WLAN (wireless local area network)) technology is a kind of small cell technology with 3GPP technology such as GSM (global system for mobile communications), UMTS (Universal Mobile Telecommunications System) and LTE (Long Term Evolution).How under macrocell covers, to dispose the theme that base station, small cell/Wi-Fi AP (access point) is prior art.
But applicant finds that existing topology that small cell/Wi-Fi is disposed does not have these base stations, small cell of the cluster connecting each deployment, macrocell cover under base station, small cell between direct correlation or the mechanism that manages specific to the local cluster of base station, small cell.
Summary of the invention
Embodiments of the invention relate to the network system with local cluster, central controller, micro-base station and macro base station.
According to an embodiment of the invention on the one hand, provide a kind of network system with local cluster, described network system comprises macro base station and multiple micro-base station; Described network system comprises further:
One or more local central controller, for providing base station collaboration, resource management, interference and power coordination for described multiple micro-base station, or synchronously;
Wherein said one or more central controller is connected to described macro base station; Described central controller connects by wire or wirelessly to multiple micro-base station, forms described local cluster like this.
According to an embodiment of the invention on the other hand, provide central controller, be applied to and have in the network system of local cluster, described central controller is connected to multiple micro-base station, forms described local cluster like this.
Described central controller comprises:
First receiving element, receives request message for one of them the micro-base station from described multiple micro-base station;
Control unit, for providing base station collaboration, resource management, interference and power coordination based on described request message, or synchronously;
First transmitting element, for sending response message to described micro-base station.
According to an embodiment of the invention on the other hand, provide micro-base station, be applied to and have in the network system of local cluster, described micro-base station is connected to central controller; Described micro-base station comprises:
Second transmitting element, for being sent to described central controller by request message; Wherein said request message for asking base station collaboration, resource management, interference and power coordination, or synchronously;
Second receiving element, for receiving response message from described central controller.
According to an embodiment of the invention on the other hand, provide macro base station, be applied to and have in the network system of local cluster, described macro base station is connected to one or more central controller, described central controller is connected to multiple micro-base station, forms described local cluster like this;
Described macro base station comprises:
3rd receiving element, for receiving request message from described central controller.
3rd transmitting element, for being sent to described central controller by response message.
The invention has the advantages that: by connecting the connection that micro-base station simplifies base station, small cell via central controller; And improve overall system performance and Radio Resource utilization.
By reference to the following description and accompanying drawing, these and other aspect of the present invention and feature will be apparent.In description and accompanying drawing, disclose specific embodiment of the present invention in detail, to indicate some modes that principle of the present invention can adopt, but should be understood that the present invention is not limited to corresponding scope.On the contrary, the present invention includes all changes in the spirit of appended claims and item, amendment and equivalent.
The feature described with reference to an embodiment and/or illustrate can adopt same way or similar fashion for other embodiment one or more, and/or uses with the integrate features of other embodiment or substitute these features.
It is emphasized that term used in this specification " comprises " for illustration of there are described feature, entirety, step or parts, but do not get rid of the combination that there is or add one or more further feature, entirety, step, parts or above-mentioned item.
Many aspects that the present invention may be better understood with reference to the following drawings.Parts in accompanying drawing need not be drawn in proportion, but focus on and clearly illustrate in principle of the present invention.In order to contribute to illustrating and describe some parts of the present invention, the size of corresponding part in accompanying drawing can be amplified, such as, for other parts, make it than large according to the exemplary means of actual fabrication of the present invention.The element described in an accompanying drawing of the present invention or embodiment and feature can combine with the element described in one or more extra accompanying drawing or embodiment and feature.
In addition, in the accompanying drawings, identical reference numerals refers to the corresponding part in some views, and can be used to refer to the identical or similar portions in generation more than one embodiment.
Accompanying drawing explanation
Accompanying drawing is included to provide a further understanding of the present invention, and accompanying drawing forms the part of this specification, and the preferred embodiments of the present invention are described, and is used from illustrates principle of the present invention with description content one.Ref. No. identical in accompanying drawing represents identical element all the time.
In the accompanying drawings:
Fig. 1 is the schematic diagram of the network system of embodiments of the invention;
Fig. 2 is the topological diagram of the network system of embodiments of the invention;
Fig. 3 is another topological diagram of the network system of embodiments of the invention;
Fig. 4 is another topological diagram of the network system of embodiments of the invention;
Fig. 5 is another topological diagram of the network system of embodiments of the invention;
Fig. 6 is another topological diagram of the network system of embodiments of the invention;
Fig. 7 is the function diagram of the network system of embodiments of the invention;
Fig. 8 be illustrated as UE and access point again associate the schematic diagram adjusting Tx power;
Fig. 9 is the schematic diagram that the dynamic beam of diagram access point switches;
Figure 10 is the schematic diagram of the time synchronized of diagram access point;
Figure 11 is the schematic diagram of the central controller of embodiments of the invention;
Figure 12 is the schematic diagram of micro-base station of embodiments of the invention;
Figure 13 is the schematic diagram of the macro base station of embodiments of the invention.
Embodiment
Many feature and advantage of each embodiment are apparent in detail specifications, and therefore, appended claims intention contains these type of feature and advantage all of the embodiment belonged in its true spirit and scope.In addition, because those skilled in the art easily will expect numerous modifications and variations, thus do not wish the exact configuration and the operation that invention embodiment are limited to illustrated also description, therefore, all suitable amendment that can take and equivalent all belong in respective range.
Hereinafter with reference accompanying drawing describes the preferred embodiments of the present invention.
Nowadays, existing topology typically refers to UMTS/LTE network, base station, small cell under existing topology allows macro cell base station to cover is connected by " netted " format logic, this means that base station, all small cell is all same and disposes with " same levels " of macro cell base station.Base station, all small cell all has identical " right " and exchanges information between base station, small cell and macro cell base station.
The existing topology that small cell/Wi-Fi disposes does not have " this locality " central control point of these base stations, small cell of the cluster connecting each deployment usually.Further, any direct correlation between the base station, small cell under the not shown covering of the macrocell by central control point of existing topology; And macrocell cover under small cell cluster and macro cell base station not there is direct correlation.In addition, prior art does not have the ability of management specific to the local cluster of base station, small cell.
In addition, base station, many small cell/Wi-Fi AP can be there is under the covering of macrocell, and they are all disposed with same levels (off grade) and are directly connected to EPC (Evolved Packet Core) or RNC (radio network controller) comparably, and directly controlled by EPC or RNC.
These base station, small cell/Wi-Fi AP lack local control point and make cooperation become more difficult and complicated with communicating, and when not knowing the need of these information of transmission, identical information may need to be sent to many other, thus the information flowrate problem caused between these links, and waste bandwidth.
Lack the problem that local central control point also causes the resource shortage central management to base station, each small cell between the cluster of base station, small cell, this makes total system rank performance and Radio Resource utilization be difficult to improve.
In this application, the local cluster of base station, small cell/Wi-Fi AP (continuum usually in each covering cluster) uses the framework of branch or star-like form to dispose under macrocell covers, and wherein has the mixing of the wired or wireless connection to local central control point; Associated with macro cell base station by direct or indirect link; And exchange corresponding informance to promote the operation between macro cell base station with base station, small cell and to cooperate to realize the increase of capacity and the improvement of end-user experience.
Embodiment 1
The embodiment provides the network system with local cluster.Fig. 1 is the schematic diagram of the network system of embodiments of the invention.
As shown in Figure 1, network system comprises: macro base station 101, multiple micro-base station 102; This network system comprises further: one or more central controller 103, and central controller 103 can be an example of local central control point;
Wherein central controller 103 is for providing base station collaboration, resource management, interference and power coordination and synchronous for multiple micro-base station; One or more central controller is connected to macro base station; And each central controller is connected to multiple micro-base station, forms local cluster like this.
As shown in Figure 1, each central controller 103 with star topology or branch's Topology connection to certain base station slightly.Note that this " star-like or branch " form is different from " netted " form of prior art employing.
In this application, micro-base station can be femto base station or femto base station or Wi-Fi AP (access point).But, be not limited to this, ad hoc fashion can be determined according to actual needs.
In this application, the connection between central controller 103 and micro-base station 102 be cable form or wireless or both.
It should be noted that in Fig. 1 a cluster under illustrate only macrocell covers. but, be not limited to this.In fact, macrocell can dispose the cluster of base station, many small cell (such as, focus) under covering.
In addition, the cluster that only there is base station, a small cell shares identical cell site (as shown in Figure 1) with macrocell website (if it is fan-shaped macro station point, being and every sector).All the other cluster (not shown) under grand covering will around central controller, same position need not be positioned at macro station point, but can connect via cable and long-rangely be connected to macro station point, the information of multiple like this cluster is also shared by the central control point of local cluster and macro station point base stations.
Fig. 2 is the topological diagram of the network system of embodiments of the invention.As shown in Figure 2, one group of cheap node micro-base stations 102 such as () Wi-Fi AP is connected by GE (gigabit Ethernet) and is attached to central control point 103 (such as, local router or local gateway).
As shown in Figure 2, central controller 103 for local management Wi-Fi node for flow shunt, load balancing, QoS management, local mobile management, interference management etc.In addition, transmission link needs capacity higher than usual to hold many group Wi-Fi flows.
In this embodiment, the interconnection between micro-base station 102 to central controller 103 can be light or electric form and can be cable or wireless.Interconnection between micro-base station can, by netted connection, make the micro-base station of some of them connect without any need for the obvious cable being back to grand/micro-/femto base station.
In this embodiment, terminal be double mode or monotype and can access cellular service or Wi-Fi service or both.All AP can concentrate on grand/micro-/femto base station and share the identical power and backhaul resources that have with grand/micro-/femto base station.All AP nodes share identical return bandwidth with base station.Can directly pass through base station (such as, by the functional module on base station, software function module), or by managing all AP nodes to the base station backhaul of network management box.
Fig. 3 is another topological diagram of the network system of embodiments of the invention.As shown in Figure 3, network system can be applicable in UMTS, and central controller is connected to IAD (AG) further.
Fig. 4 is another topological diagram of the network system of embodiments of the invention.As shown in Figure 4, network system is applied in LTE system, and central controller 103 is connected to Mobility Management Entity (MME) and gateway (S-GW) further.
As shown in Figure 4, AC (access controller) function is divided into two parts, and wherein control section is configured in MME, and data division is configured in S-GW.
In this application, the cheap expansion using Wi-Fi and limited honeycomb to cover is performed; Micro-with integrated/slightly to compare with Wi-Fi scheme, this expansion will reduce costs.Perform the local management of the network of Wi-Fi type.
In this application, Wi-Fi network is visible, manageable and maintainable.Throughput is higher, uses unlicensed spectrum to shunt grand network.Further, Wi-Fi backhaul is simple Ethernet, usually more inexpensive than the backhaul transport of management.In addition, network system can use the region that multiple AP coverage is identical with grand/micro-/region, picocell; And share backhaul with base station, simplify the Wi-Fi website requirement to Wi-Fi AP backhaul.
In one embodiment, central controller can be the plug-in unit of macro base station.Fig. 5 is another topological diagram of the network system of embodiments of the invention.As shown in Figure 5, central controller is slightly and Wi-Fi controller, and slight and Wi-Fi controller is the plug-in unit of macro base station.
In this embodiment, slightly and Wi-Fi controller can be connected to multi port switch, such as multiport POE (Power over Ethernet) switch, make slight and Wi-Fi controller stride across many AP; And slightly and Wi-Fi controller can provide interference management, such as dynamic section beam antenna is selected, dynamically AP select, many AP coordinating power adjustment & CCA (clear channel assessment (CCA)) self adaptation, scope expansion, AP frequency management, grand-slight ICIC (Inter-Cell Interference Coordination).
In addition, as shown in Figure 5, slightly and Wi-Fi controller can be connected to base control plate, and slightly and Wi-Fi controller can provide following functions: local AP networking, load balance, and the intercommunication of macro base station, central network manage (this locality) etc.
In another embodiment, central controller can be the external unit of macro base station.Fig. 6 is another topological diagram of the network system of embodiments of the invention.As shown in Figure 6, central controller is slightly and Wi-Fi controller, and slight and Wi-Fi controller is the external unit of macro base station.
Fig. 7 is the function diagram of the network system of embodiments of the invention.As shown in Figure 7, central controller (such as, slight and Wi-Fi controller) can perform cooperation management; Micro-base station (such as femto base station, Wi-Fi AP) can execution scheduler/resource management or control and management; And macro base station can execution scheduler/resource management.
In one embodiment, central controller can be specifically designed to and subscriber equipment is reconfigured to another micro-base station from a micro-base station.
Wherein central controller is for adjusting the power of micro-base station; Subscriber equipment is for searching for the power of adjustment; And subscriber equipment is also attached to another micro-base station again based on the power adjusted and the chain rupture of micro-base station.
In one embodiment, central controller can utilize from the power of multiple AP and CCA adjusting thresholds to alleviate interference.Fig. 8 be illustrated as UE and access point again associate the schematic diagram adjusting Tx power.
As shown in Figure 8, if UE is subject to severe jamming, so it associates with current AP (AP2).Central controller can will reduce the Tx power of this UE and increase CCA simultaneously simultaneously, make UE will with AP2 disassociation.Meanwhile, central controller will increase the Tx power of its adjacent AP1, and the CCA reducing AP1 makes UE again will associate with adjacent AP1, wherein suppose the interference rank of adjacent AP1 be less than before the interference rank of AP2.In addition, central controller is used for the chain rupture of user and AP and again links, instead of for power control to increase S/N (signal to noise ratio).
In another embodiment, central controller can be specifically designed to and use the beam selection of face-to-face wave beam to avoid sending two wave beams simultaneously.
Fig. 9 is the schematic diagram that the dynamic beam of diagram access point switches.As shown in Figure 9, there are some AP, each AP has many beam antennas, and such as, one of them AP has B11, B12 ... B16.Central controller can select wave beam to reduce interference.
In another embodiment, central controller can be specifically designed to the synchronous micro-base station of time signal using macro base station.
In a form of implementation, AP can be synchronous in time by the macro base station time, makes it be optional and controlled with the transmission time of synchronous AP by central control board.By forbidding that enabling some AP send while other AP sends may allow terminal to hear the signal of an AP when not disturbing by other AP.
Figure 10 is the schematic diagram of the time synchronized of diagram access point.As shown in Figure 10, in each time interval, central controller needs to guarantee that overlapping wave beam only has a wave beam to activate at every turn.
In this embodiment, a wave beam due to each each AP activates, and AP therefore can be selected to make their head to head wave beam (direct opposed facing wave beam) un-activation (Tx or Rx) at one time.Therefore, this is the advantage of time synchronized.This AP will be required to report at any time which wave beam next it will send/receive, such central controller can feed back to AP make it know whether this is good a selection.
In addition, better mode for each AP defines a pattern, their adjacent beams is never activated at one time.Therefore, only need lock in time, but do not need all to control them at every turn.
In another embodiment, the optimal energy allocation that central controller is specifically designed to load balancing by distributing across the intelligent frequency of micro-base station or combine across the user of micro-base station or micro-base station promotes overall network capacity.
In this application, in one embodiment, each AP opens the focus that 50%, such one group of AP of about its total Tx power overlaps each other to be formed closely covering.Suppose that the Tx power of each AP can be reduced to zero or to its maximum, like this when it is set to maximum power, it can cover the region of other AP.Because each AP (supposing the single radio of each AP) only can have user's transmission of a time division multiplexing, although therefore each AP exists multiple wave beam, only a wave beam is sent to specific direction.
In this application, connect via local central control point the connection (being connected to star-like connection from netted) that base station, small cell/Wi-Fi AP simplifies base station, small cell/Wi-Fi AP by cable mode or wireless mode.
So local central control point will take on local small cell base station controller, and provide base station collaboration, resource management, interference and power coordination and synchronous.Final result is increase entire system capacity, improves the level of resources utilization, improves service quality and improve end-user experience.
In this application, enable some technology and utilize, such as multiple antenna beam is shaped and sector across multiple small cell base station/Wi-Fi AP is selected, disturb eliminate/avoid, Tx power cooperates and slot synchronization.
From above-described embodiment, by connecting the connection that micro-base station simplifies base station, small cell via central controller; And improve overall system performance and Radio Resource utilization.
Embodiment 2
Based on embodiment 1, of the present inventionly this embodiment offers central controller, be applied to and have in the network system of local cluster, central controller is connected to multiple micro-base station, forms local cluster like this; This embodiment corresponds to above-described embodiment 1 and identical content will no longer be described.
Figure 11 is the schematic diagram of the central controller of embodiments of the invention.As shown in figure 11, central controller 103 comprises: the first receiving element 1101, control unit 1102 and the first transmitting element 1103.Other parts of central controller no longer can be described in the present invention with reference to prior art.
Wherein, the first receiving element 1101 is for receiving the request message from micro-base station; Control unit 1102 for providing base station collaboration, resource management, interference and power coordination based on request message, or synchronously; First transmitting element 1103 is for being sent to micro-base station by response message.
In this embodiment, central controller 103 with star topology or branch's Topology connection to multiple micro-base station.
In this embodiment, central controller 103 can be the plug-in unit of macro base station; Or central controller 103 can be the external unit of macro base station.But, be not limited to this, particular implementation can be determined according to actual needs.
In one embodiment, central controller 103 can be specifically designed to and subscriber equipment is reconfigured to another micro-base station from a micro-base station.
In another embodiment, central controller is for adjusting the power of micro-base station; Subscriber equipment is for searching for the power of adjustment; And subscriber equipment is also attached to another micro-base station again based on the power adjusted and the chain rupture of micro-base station.
In another embodiment, central controller can be used for using the beam selection of face-to-face wave beam to avoid sending two wave beams simultaneously.
In another embodiment, central controller can be specifically designed to the synchronous micro-base station of time signal using macro base station.
In another embodiment, the optimal energy allocation that central controller is specifically designed to load balancing by distributing across the intelligent frequency of micro-base station or combine across the user of micro-base station or micro-base station promotes overall network capacity.
From above-described embodiment, by connecting the connection that micro-base station simplifies base station, small cell via central controller; And improve overall system performance and Radio Resource utilization.
Embodiment 3
Based on embodiment 1, of the present inventionly this embodiment offers micro-base station, be applied to and have in the network system of local cluster, micro-base station is connected to central controller; Central controller is connected to multiple micro-base station, forms local cluster like this; This embodiment corresponds to above-described embodiment 1 and identical content will no longer be described.
Figure 12 is the schematic diagram of micro-base station of embodiments of the invention.As shown in figure 12, micro-base station 102 comprises: the second transmitting element 1201 and the second receiving element 1202.Other parts of micro-base station 102 no longer can be described in the present invention with reference to prior art.
Wherein, the second transmitting element 1201 is for being sent to central controller by request message; Wherein request message is for asking base station collaboration, resource management, interference and power coordination, or synchronously; Second receiving element 1202 is for receiving the response message from central controller.
In this embodiment, micro-base station can be femto base station or femto base station or Wi-Fi access point.But, be not limited to this, particular implementation can be determined according to actual needs.
Of the present inventionly this embodiment offers macro base station, be applied to and have in the network system of local cluster, macro base station is connected to one or more central controller, and each central controller is connected to multiple micro-base station, forms local cluster like this.
Figure 13 is the schematic diagram of the macro base station of embodiments of the invention.As shown in figure 13, macro base station 101 comprises: the 3rd receiving element 1301 and the 3rd transmitting element 1302.Other parts of macro base station 101 no longer can be described in the present invention with reference to prior art.
Wherein the 3rd receiving element 1301 is for receiving the request message from central controller; 3rd transmitting element 1302 is for being sent to central controller by response message.
From above-described embodiment, by connecting the connection that micro-base station simplifies base station, small cell via central controller; And improve overall system performance and Radio Resource utilization.Should be understood that each several part of the present invention can be implemented by hardware, software, firmware or its combination.In the above-described embodiments, multiple step or method can be realized by the software stored in memory or firmware, and are performed by suitable instruction execution system.Such as, if realized by hardware, so can be realized by the arbitrary technology in the known following technology in affiliated field or its combination as in another embodiment: there is the discrete logic of the logic function for realizing data-signal of logic gates, the application-specific integrated circuit (ASIC) with suitable combinational logic gate circuit, programmable gate array (PGA), and field programmable gate array (FPGA) etc.
Description in flow chart or square frame or adopt any process of other form or method to be understood as that to show to comprise one or more module, fragment or part, for the code of executable instruction realizing step in specific logical function or process, and the scope of the preferred embodiments of the present invention comprises other embodiment, wherein these functions can adopt and perform from those different modes shown or described, comprise according to correlation function in substantially synchronous mode or perform these functions in reverse order, those skilled in the relevant art of the present invention should understand foregoing.
Such as, the logic illustrated in flow chart or otherwise describe herein and/or step should be construed as the sequence list of the executable instruction realizing logic function, it can implement in any computer-readable media, for instruction execution system, equipment or device (such as, comprise system for computer, comprise the system of processor, or instruction can be extracted from instruction execution system, equipment or device and perform other systems of these instructions) use, or and instruction executive system, equipment or device are combined.
Above-mentioned text description and accompanying drawing show various feature of the present invention.Should be understood that those skilled in the art can prepare suitable computer code, to perform each step mentioned above and shown in the drawings and process.Should also be understood that all terminals, computer, server and network can be any types, and preparing computer code can be carried out according to the present invention, to implement the present invention by use relevant device.
There is disclosed herein specific embodiment of the present invention.Those skilled in the art will easily recognize, the present invention can be applied to other environment.In fact, there is many embodiments and embodiment.Appended claims is not intended to scope of the present invention to be limited to above-mentioned specific embodiment.In addition, any to " for ... equipment " to quote be all add function at explanation facilities, to describe element and claim, and do not wish by any unreferenced " for ... equipment " element be interpreted as the element of means-plus-function, even if it is also like this that claim comprises word " equipment ".
Although shown one or more specific preferred embodiment and described the present invention, clearly, those skilled in the art is reading and can expect equivalent modifications and modification after understanding foregoing description and accompanying drawing.Particularly for the various functions performed by said elements (partly, assembly, equipment and form etc.), unless otherwise prescribed, otherwise wish that (namely the term (comprising quoting " equipment ") describing these elements corresponds to any element of the specific function performing these elements, functional equivalent), even if this element is different from perform the element of the present invention with regard to the function of the one or more exemplary embodiment illustrated by dependency structure.In addition, although only describe special characteristic of the present invention with reference to one or more in described embodiment, this category feature can as required and in view of any given or application-specific favourable aspect and combine with one or more further features of other embodiment.
Claims (24)
1. have a network system for local cluster, it is characterized in that, described network system comprises macro base station (101) and multiple micro-base station (102); Described network system comprises further:
One or more central controller (103), for providing base station collaboration, resource management, interference and power coordination for described multiple micro-base station, or synchronously;
Wherein said one or more central controller (103) is connected to described macro base station (101); Each central controller is connected to multiple micro-base station (102), forms described local cluster like this.
2. network system according to claim 1, is characterized in that, described central controller (103) with star topology or branch's Topology connection to multiple micro-base station (102).
3. network system according to claim 1 and 2, is characterized in that, described micro-base station (102) is femto base station or femto base station or Wi-Fi access point.
4. the network system according to claim arbitrary in claims 1 to 3, is characterized in that, described central controller (103) is the plug-in unit of described macro base station; Or described central controller (103) is the external unit of described macro base station.
5. the network system according to claim arbitrary in Claims 1-4, is characterized in that, described central controller (103) is specifically designed to and subscriber equipment is reconfigured to another micro-base station from a micro-base station.
6. network system according to claim 5, is characterized in that, described central controller (103) is for adjusting the power of described micro-base station (102); Described subscriber equipment is for searching the power of plain described adjustment; And
Described subscriber equipment is based on the power of described adjustment and the chain rupture of micro-base station and be again attached to another micro-base station.
7. the network system according to claim arbitrary in Claims 1-4, is characterized in that, described central controller (103) is for using the beam selection of face-to-face wave beam to avoid sending two wave beams simultaneously.
8. the network system according to claim arbitrary in Claims 1-4, is characterized in that, described central controller (103) is specifically designed to and uses the synchronous described micro-base station (102) of the time signal of described macro base station.
9. network system according to claim 8, is characterized in that, only has a wave beam of described micro-base station to be synchronously activate at every turn.
10. the network system according to claim arbitrary in Claims 1-4, it is characterized in that, the optimal energy allocation that described central controller (103) is specifically designed to load balancing by distributing across the intelligent frequency of described micro-base station or combine across the user of described micro-base station or described micro-base station promotes described overall network capacity.
11. network systems according to claim arbitrary in Claims 1-4, is characterized in that, the described connection between described central controller (103) and described micro-base station (102) be cable form or wireless or both.
12. network systems according to claim arbitrary in Claims 1-4, it is characterized in that, described network system is applied in Universal Mobile Telecommunications System (UMTS), and described central controller is connected to IAD (AG) further.
13. network systems according to claim arbitrary in Claims 1-4, it is characterized in that, described central controller (103) is connected to Mobility Management Entity (MME) and gateway (S-GW) further.
14. 1 kinds of central controllers (103), is characterized in that, be applied to and have in the network system of local cluster, described central controller (103) is connected to multiple micro-base station, forms local cluster like this; Described central controller (103) comprising:
First receiving element (1101), receives request message for one of them the micro-base station from described multiple micro-base station;
Control unit (1102), for providing base station collaboration, resource management, interference and power coordination based on described request message, or synchronously;
First transmitting element (1103), for sending response message to described micro-base station.
15. central controllers according to claim 14 (103), is characterized in that, described central controller (103) with star topology or branch's Topology connection to multiple micro-base station.
16. central controllers (103) according to claims 14 or 15, it is characterized in that, described central controller (103) is the plug-in unit of macro base station; Or described central controller (103) is the external unit of described macro base station.
17. according to claim 14 to the central controller (103) described in arbitrary claim in 16, and it is characterized in that, described central controller (103) is specifically designed to and subscriber equipment is reconfigured to another micro-base station from a micro-base station.
18. central controllers according to claim 17 (103), is characterized in that, described central controller (103) is for adjusting the power of described micro-base station; Described subscriber equipment is for searching the power of plain described adjustment; And
Described subscriber equipment is based on the power of described adjustment and the chain rupture of micro-base station and be again attached to another micro-base station.
19. according to claim 14 to the central controller (103) described in arbitrary claim in 16, and it is characterized in that, described central controller (103) is for using the beam selection of face-to-face wave beam to avoid sending two wave beams simultaneously.
20., according to claim 14 to the central controller (103) described in arbitrary claim in 16, is characterized in that, described central controller (103) is specifically designed to the synchronous described micro-base station of described time signal using described macro base station.
21. according to claim 14 to the central controller (103) described in arbitrary claim in 16, it is characterized in that, the optimal energy allocation that described central controller (103) is specifically designed to load balancing by distributing across the intelligent frequency of described micro-base station or combine across the user of described micro-base station or described micro-base station promotes described overall network capacity.
22. 1 kinds of micro-base stations (102), is characterized in that, be applied to and have in the network system of local cluster, and described micro-base station (102) is connected to central controller (103);
Described micro-base station (102) comprising:
Second transmitting element (1201), for being sent to described central controller by request message; Wherein said request message for asking base station collaboration, resource management, interference and power coordination, or synchronously;
Second receiving element (1202), for receiving response message from described central controller.
23. micro-base stations (102) according to claim 22, is characterized in that, described micro-base station (102) is femto base station or femto base station or Wi-Fi access point.
24. 1 kinds of macro base stations (101), it is characterized in that, be applied to and have in the network system of local cluster, described macro base station (101) is connected to one or more central controller (103), described central controller (103) is connected to multiple micro-base station (102), forms described local cluster like this;
Described macro base station (101) comprising:
3rd receiving element (1301), for receiving request message from described central controller.
3rd transmitting element (1302), for being sent to described central controller by response message.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2012/000981 WO2014012192A1 (en) | 2012-07-20 | 2012-07-20 | Network system with local cluster, central controller, micro base station and macro base station |
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| CN104429111A true CN104429111A (en) | 2015-03-18 |
| CN104429111B CN104429111B (en) | 2019-02-19 |
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| WO (1) | WO2014012192A1 (en) |
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| CN105578513B (en) * | 2014-10-11 | 2019-02-12 | 电信科学技术研究院 | A kind of communication means, equipment and system |
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| WO2014012192A1 (en) | 2014-01-23 |
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