CN103874078A - Mobile communication access network framework - Google Patents
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Abstract
The invention discloses a mobile communication access network framework, which comprises an antenna unit AE, a central processing unit CPE, a controller, a resource pool and a gateway, wherein the AE is connected with the CPE, is used for sending and receiving wireless signals and provides coverage for user equipment UE, the CPE is connected with the controller, the resource pool and the gateway, and is used for processing the received wireless signals, the controller is used for realizing an OpenFlow protocol and control over the CPE, the resource pool is used for managing, distributing and dispatching wireless resources, and the gateway is used for being connected with other types of networks except the mobile communication network and being connected to the internet.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of mobile communication access network framework.
Background technology
Along with popularizing gradually of smart mobile phone and panel computer, user rapidly increases the demand of wireless capacity, and rely on merely the capacity gain cost of bringing in the innovation of Radio Transmission Technology very high, therefore, the current research focus for capacity increase concentrates on by disposing more thick and fast base station and meets the ever-increasing capacity requirement of user.In order to tackle the complex scenes such as indoor focus, new base station type engenders, on existing macro base station (Macro Cell) basis, the multiple base station forms such as micro-base station (Micro Cell), femto base station (Pico Cell), femto base station/Home eNodeB (Femto Cell/Home eNB) and far end radio frequency head (RRH) are there is comprising, and relay (Relay Station) also by next generation mobile communication standardization body think raising capacity and improve cover important means, relay station will be deployed among network in a large number.Wireless lan (wlan) access point (AP), 60GHz launch point and visible light communication node antenna element (LiFi AE) are also deployed in hot spot region and interior of building in a large number.These polytype base stations will be deployed in together jointly, and then form network design new scene multi-level, that isomery mixes.
Traditional Access Network framework is the Access Network framework of dividing overlay area based on community system, this framework, by dividing the overlay area of each base station and then forming the comprehensive covering to some regions, passes through to set overlapping region to ensure the service quality of user in handover procedure between community and community.
Along with the raising of dissimilar base station deployment closeness, dissimilar base station will form the overlapping covering of multilayer in same region, for example, in macro base station coverage area, will dispose multiple micro-base station cell coverings and the covering of femto base station honeycomb etc.The problem that traditional Access Network framework exists is: the mode that traditional Access Network framework is divided community makes each inter base station interference serious, user dispatches difficulty, and RRM based on conventional cell dividing mode, mobile management, load management and disturbing suppresses in so intensive multi-level, isomery hybrid network, effectively to implement.
Summary of the invention
Technical problem to be solved by this invention is that the mode that traditional Access Network framework is divided community makes each inter base station interference at present increasing in mobile communications network day by day serious, user dispatches difficulty, and RRM based on conventional cell dividing mode, mobile management, load management and disturbing suppresses in so intensive multi-level, isomery hybrid network, effectively to implement.
For this purpose, the present invention proposes a kind of mobile communication access network framework, and this framework comprises: antenna element AE, centralized processing unit CPE, controller, resource pool and gateway;
Described AE is connected with described CPE, for the sending and receiving of wireless signal, simultaneously for user equipment (UE) provides covering;
Described CPE is connected with described controller, described resource pool and described gateway, for the treatment of the wireless signal receiving;
Described controller is for realizing OpenFlow agreement and the control to described CPE;
Described resource pool is for management, distribution and scheduling to Radio Resource;
Described gateway is for connecting except the network of other type of mobile communications network and being connected to internet.
Wherein, the auxiliary described centralized processing unit CPE of described antenna element AE builds and safeguards the user plane of this framework, and described centralized processing unit CPE builds and safeguard the control plane of this framework, realizes separating of this framework control plane and user plane.
Wherein, the resource of described antenna element AE comprises transmitting power, bandwidth, time slot, code word and space angle, the state of described AE comprises to be opened ON state and closes OFF state, the coverage of described AE is definite according to the size of described transmitting power, and the type of described AE is determined according to the size of described transmitting power.
Wherein, described centralized processing unit CPE, controller or resource pool change the type of described antenna element AE by dynamic adjustment transmitting power.
Wherein, one or more antenna element AE connect same centralized processing unit CPE, and described CPE also carries out communication for coordination for dispatching the multiple antenna element AE of coordination.
Wherein, the state of described centralized processing unit CPE comprises resting state, and the condition that described CPE enters resting state is that all antenna element AE of being connected with described CPE are in OFF state.
Wherein, described controller further comprises stream table, described stream table is based on OpenFlow agreement, carry out resource distribution for assisting, scheduling and routing addressing, described stream table comprises matching domain, instruction, counter and adjacent C PE ID, wherein, the packet that described matching domain is used for transmitting with network carries out matching ratio, described matching domain comprises AE ID, CPE ID and available resources, the identify label of AE ID representative antennas unit, CPE ID is the identify label of the centralized processing unit under described antenna element, available resources are available resources of described antenna element, described instruction is that the packet of matching domain coupling is about to the action of carrying out, described counter is for data flow quantity statistical, adjacent C PE ID is the ID of the centralized processing unit that is directly connected with the centralized processing unit of described matching domain.
Wherein, the more new model of described stream table comprises active and passive two kinds of patterns, and described active more new model is the more new model of periodic current table of being initiated by described controller; Described passive more new model is the pattern of carrying out the renewal of stream table with trigger controller by antenna element AE or centralized processing unit CPE active upload state information; Described passive more new model comprises two kinds of initiation patterns, the first is by the pattern that newly adds the antenna element AE of this framework or centralized processing unit CPE to initiate, and it two is to enter OFF state or centralized processing unit CPE enters the pattern that resting state is initiated by antenna element AE.
Preferably, described centralized processing unit CPE further comprises storage forwarding subelement, and described storage forwarding subelement is for the data of storing stream table, user equipment (UE) or core net that described controller issues and issuing and the forwarding of data.
Wherein, described resource pool is also for flowing the storage backup of table.
Wherein, described centralized processing unit CPE further comprises CPE interface subelement, and different centralized processing unit CPE is connected by described CPE interface subelement, and described CPE interface subelement is for signaling and transfer of data; Described gateway comprises data gateway and gateway, and described data gateway is for changing the forwarding transmission of data packet format and packet between different type network, and described gateway is for the signalling between different type network.
Than prior art, the beneficial effect of framework provided by the invention is: traditional base station is split as antenna element AE and centralized processing unit CPE by described framework, user plane is separated with control plane and there is self adaptation to adjust strategy by centralized processing unit CPE and antenna element AE, carry out RRM by resource pool, to realize the scheduling of access-in resource more flexibly, and then Mobility Management Strategy and the business stripping strategy of enforcement customer-centric, self-adapted service unloading strategy, Access Control Policy, the RRM strategies such as centralized interference management strategy, realize OpenFlow agreement by controller, solve multi-level, serious interference under high density isomery hybrid network, the problems such as scheduling difficulty, and can make network configuration more flexibly to tackle the mobile communication wireless access network environment of continuous variation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows a kind of mobile communication access network framework of embodiment 1;
Fig. 2 shows concrete each territory of stream table in embodiment 1;
Fig. 3 shows a kind of mobile communication access network framework of embodiment 2.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
A kind of mobile communication access network framework, this framework comprises: antenna element AE(Antenna Element), centralized processing unit CPE(Central Processing Element), controller, resource pool and gateway;
Described AE is connected with described CPE, for the sending and receiving of wireless signal, simultaneously for user equipment (UE) provides covering;
Described CPE is connected with described controller, described resource pool and described gateway, for the treatment of the wireless signal receiving;
Described controller is for realizing OpenFlow agreement and the control to described CPE;
Described resource pool is for management, distribution and scheduling to Radio Resource;
Described gateway is for connecting except the network of other type of mobile communications network and being connected to internet.
Wherein, the auxiliary described centralized processing unit CPE of described antenna element AE builds and safeguards the user plane of this framework, and described centralized processing unit CPE builds and safeguard the control plane of this framework, realizes separating of this framework control plane and user plane.
Wherein, the resource of described antenna element AE comprises transmitting power, bandwidth, time slot, code word and space angle, the state of described AE comprises to be opened ON state and closes OFF state, the coverage of described AE is determined according to the size of described transmitting power, the type of described AE is determined according to the size of described transmitting power, described AE can be omnidirectional antenna, directional antenna, poliarizing antenna, and described AE can implement wave beam forming.
Wherein, described centralized processing unit CPE, controller or resource pool change the type of described antenna element AE by dynamic adjustment transmitting power.
Wherein, one or more antenna element AE connect same centralized processing unit CPE, and described CPE also carries out communication for coordination for dispatching the multiple antenna element AE of coordination.
Wherein, the state of described centralized processing unit CPE comprises resting state, and the condition that described CPE enters resting state is that all antenna element AE of being connected with described CPE are in OFF state.
Wherein, described controller further comprises stream table, described stream table is based on OpenFlow agreement, carry out resource distribution for assisting, scheduling and routing addressing, described stream table comprises matching domain, instruction, counter and adjacent C PE ID, wherein, the packet that described matching domain is used for transmitting with network carries out matching ratio, described matching domain comprises AE ID, CPE ID and available resources, the identify label of AE ID representative antennas unit, CPE ID is the identify label of the centralized processing unit under described antenna element, available resources are available resources of described antenna element, described instruction is that the packet of matching domain coupling is about to the action of carrying out, described counter is for data flow quantity statistical, adjacent C PE ID is the ID of the centralized processing unit that is directly connected with the centralized processing unit of described matching domain.
Wherein, the more new model of described stream table comprises active and passive two kinds of patterns, and described active more new model is the more new model of periodic current table of being initiated by described controller; Described passive more new model is the pattern of carrying out the renewal of stream table with trigger controller by antenna element AE or centralized processing unit CPE active upload state information; Described passive more new model comprises two kinds of initiation patterns, the first is by the pattern that newly adds the antenna element AE of this framework or centralized processing unit CPE to initiate, and it two is to enter OFF state or centralized processing unit CPE enters the pattern that resting state is initiated by antenna element AE.
Preferably, described centralized processing unit CPE further comprises storage forwarding subelement, and described storage forwarding subelement is for the data of storing stream table, user equipment (UE) or core net that described controller issues and issuing and the forwarding of data.
Wherein, described resource pool is also for flowing the storage backup of table.
Wherein, described centralized processing unit CPE further comprises CPE interface subelement, and different centralized processing unit CPE is connected by described CPE interface subelement, and described CPE interface subelement is for signaling and transfer of data; Described gateway comprises data gateway and gateway, and described data gateway is for changing the forwarding transmission of data packet format and packet between different type network, and described gateway is for the signalling between different type network.
Embodiment 1:
The present embodiment discloses a kind of mobile communication access network framework, and as shown in Figure 1, this framework comprises:
Antenna element (AE): the sending and receiving that described antenna element is responsible for wireless signal provides covering for subscriber equipment (UE) simultaneously, the size of its transmitting power determines the coverage of its user plane.The key property of described antenna element comprises the resources such as transmitting power, bandwidth, time slot, code word, space angle.In addition, described antenna element has separately proprietary identification ID, and its identification ID is uploaded to controller and the stream table of resource pool to safeguard in dynamically updating resource pool in the time of access network framework, in the time disconnecting, thereby described antenna element also needs to send signaling controller and resource pool, its proprietary identification ID is deleted and avoids that described antenna element is distributed to UE service is provided from stream table.Described antenna element has unlatching (ON)/close (OFF) two states, and in the time of the state of described antenna element in ON, described antenna element can be simultaneously for multiple UE provide service; When it is during in OFF state, user cannot be by described antenna element transmission data.For the framework of mobile communication access network described in this patent, the type of antenna element can comprise grand antenna element (Macro AE), microcell antenna unit (Micro AE), antenna element (Pico AE), femto antenna element (Femto AE), relay antenna unit (Relay AE), WLAN antenna element (WLAN AE), 60GHz launch point antenna element (60GHz AE) and visible light communication node antenna element (LiFi AE) slightly, and the main distinction is that transmitting power difference, frequency range difference used, the mode that transmits are not equal.The type of described antenna element also can change by centralized processing unit, controller or resource pool, for example, by the restriction to transmitting power, thereby makes described some antenna elements change into microcell antenna unit etc. by grand antenna element.Described antenna element can be single antenna, to support traditional single antenna communication technology; Also can comprise many antennas, support many antenna processing technology.Described antenna element builds and safeguards the user plane for specific user's access network framework.
Centralized processing unit (CPE): described centralized processing unit is responsible for the function of signal processing.In actual networking, described centralized processing unit can be mounted on large server with the form of software, also can realize with the form of custom-designed hardware.Similar with above-mentioned antenna element, each centralized processing unit all has proprietary identification ID, and in the time of the described mobile communication access network framework of access, its ID is uploaded to controller and the stream table of resource pool to safeguard in dynamically updating resource pool.Under described centralized processing unit, connect one or more antenna elements by the mode of fiber optic stretch.In the time connecting multiple antenna element under described centralized processing unit, multiple antenna elements can be coordinated to realize communication for coordination by the scheduling of described centralized processing unit, for UE provides data transmission bauds faster.In addition, when the antenna element connecting under described centralized processing unit is during all in OFF state, described centralized processing unit can enter lower powered resting state and this state variation is uploaded to controller and resource pool simultaneously and realize higher efficiency to maintain dynamically updating of stream table simultaneously.Described centralized processing unit has certain storage capacity, shows to provide the ability of data fast-forwarding except the stream can storage control issuing, and can also store data that UE or core net issue to avoid the increase of data packet loss when the network congestion.Described centralized processing unit is safeguarded the control plane of access network framework, realizes separating of control plane and user plane.
CPE interface: described CPE interface is mainly responsible for signaling and the transfer of data between different centralized processing unit.For the scene of carrying out communication for coordination between the antenna element belonging under different centralized processing unit, need to carry out Signalling exchange to realize the objects such as synchronous by described CPE interface between CPE.In addition, the controller in framework described in this patent needs in the time carrying out the structure of full mesh topology view and the renewal of topological view with resource pool to carry out Signalling exchange to confirm the annexation between different centralized processing unit by CPE interface between different centralized processing unit.
AE and CPE interface: AE can be by being connected between the modes such as optical fiber, coaxial cable, microwave relay, radio communication, cloud and CPE.
CPE and controller interface: CPE can be by being connected between the modes such as optical fiber, coaxial cable, microwave relay, radio communication, cloud and controller.
Controller: described controller mainly carries the issuing, upgrade and control to centralized processing unit of realization, stream table of OpenFlow agreement.Described controller is logic control functional module, can be entity device independently, also can be integrated among described certain centralized processing unit, also can coexist with resource pool module.For specific implementation form, described controller can be mounted in the form of software there is certain operational capability, in the server of certain storage capacity, can be also custom-designed hardware device.Described controller is connected to realize the issuing and managing of mutual and stream table of signaling with centralized processing unit by interface.In addition, described controller is mainly controlled and is dispatched centralized processing unit and antenna element by stream table.Described user plane and control plane separate and Mobility Management Strategy, self-adapted service unloading strategy, business stripping strategy and the centralized interference management strategy of adaptive strategy, customer-centric are controlled by controller, and specifically implemented by CPE and AE.
Stream table: routing addressing when described stream table is mainly responsible for resource distribution, scheduling and data retransmission under the management of OpenFlow agreement.The generation of described stream table, upgrade and issue mainly and completed by controller.Described in issuing, stream table can additionally back up in resource pool.Flow concrete each territory of table as shown in Figure 2:
Wherein instruction is to be about to for the packet mating with matching domain instruction or the action carried out; C counter can be used for the relevant informations such as data flow quantity statistical, also can avoid certain packet to stop in network and cause for a long time the situations such as network congestion simultaneously; Matching domain carries out matching ratio for the packet transmitting with network, the wherein identify label of AE ID representative antennas unit, available resources are described antenna elements time, frequently, the available resources of the dimension such as sky, code word, radio-frequency power; CPE ID is the identify label of the centralized processing unit under described antenna element; Adjacent C PE ID be with stream table in the centralized processing unit of matching domain by the ID of the direct-connected centralized processing unit of CPE interface.In addition, the renewal of the stream table of storing in network can adopt initiatively and passive two kinds of patterns are upgraded: initiatively upgrading and initiated by described controller, is mainly that the periodic current table carrying out in order to prevent network to break down upgrades; Passive renewal is initiated by AE or CPE, and in the time newly adding AE or CPE in network and when AE enters OFF state and CPE and enters resting state, AE or CPE can active upload state information carry out the renewal of stream table with trigger controller.Described stream table, take antenna element as unit, exists an antenna element to have a corresponding stream table in network.
Resource pool: described resource pool is mainly responsible for the enforcement of the storage backup of stream table and the management of Radio Resource, distribution, scheduling scheduling algorithm.In specific implementation, described resource pool can be connected with controller independently logic function assembly of conduct, also can coexist with controller.In addition, in the time carrying out the renewal of stream table, need in described resource pool, back up.Using resource pool as one independently logic function components apart another benefit be out quickly resource management, distribution, scheduling scheduling algorithm to be applied in network.Described virtualized RRM strategy is controlled by resource pool and the result of allocation of radio resources is handed down to relevant CPE and AE implements.
Data gateway: thus transfer of data when described data gateway is mainly responsible for being connected with the network of other type that removes mobile communications network and is connected to internet and provides a greater variety of business, application and content for the user in network.In addition the ability that, described data gateway has translation data packet format between different type network is to realize the forwarding transmission of packet.
Gateway: thus signalling when described gateway is mainly responsible for being connected with the network of other type that removes mobile communications network and is connected to internet and provides a greater variety of business, application and content for the user in network.In addition the ability that, described gateway has translation data packet format between different type network is to realize the forwarding transmission of packet.
In the time that framework carries out mobile communication access network deployment or actual networking described in employing this patent, need to defer to following step:
1. the structure of netinit and full mesh topology figure
1.1. the centralized processing unit of the whole network sends Initial signaling by interface to adjacent node, will be with the ID of described centralized processing unit in Initial signaling.
1.2. centralized processing unit is being received after described Initial signaling, reply to and send ACK signaling of centralized processing unit of described signaling, in described ACK signaling with the ID of described centralized processing unit.
1.3. centralized processing unit is compiled all ACK signalings of receiving, and therefrom extracts the ID of corresponding centralized processing unit, is packaged into same Packet Generation to controller with the ID of oneself.
1.4. controller is compiled all packets of receiving, and therefrom extracts the annexation of all centralized processing unit, can generate by graph theory scheduling algorithm the topology diagram of centralized processing unit in whole network.
2. the generation of the whole network stream table
2.1. controller, after generating the topology diagram of centralized processing unit, issues an ACK signaling to all centralized processing unit.Now, centralized processing unit sends FTEstablish signaling in order to search connected antenna element by its CPE and AE interface, in described FTEstablish signaling with the ID of described antenna element.
2.2. receive that all antenna elements passback ACK signalings of described FTEstablish signaling are to described centralized processing unit, in described ACK signaling with the ID of described antenna element.
2.3. centralized processing unit is compiled all ACK signalings of receiving therefrom extract the ID of described antenna element, and is packaged into packet with the ID of described centralized processing unit and is uploaded to controller.
2.4. controller, receiving after described packet, therefrom extracts the annexation of antenna element and centralized processing unit, and according to all stream tables of the whole network of OpenFlow protocol generation.
3. netinit completes
3.1. controller stores the stream table of generation in resource pool into, and is handed down to centralized processing unit.
3.2. centralized processing unit is being received after the stream table that described OpenFlow controller issues, and retains to own relevant stream list item and by remaining stream list item and abandons to reduce storage pressure, and facilitate the fast-forwarding of subsequent data transmission.
Stream table has issued follow-up mobile management, the user plane that can carry out virtual RRM, customer-centric and has separated and the strategy such as self adaptation adjustment and adaptive business unloading with control plane.
Embodiment 2:
The present embodiment is for a kind of mobile communications network framework under the condition by macro base station (Macro cell), micro-base station (Micro cell), femto base station (Pico cell), femto base station (Femto cell), relay (Relay Station) and WLAN mixed networking, as shown in Figure 3:
Dissimilar AE bears the function of described antenna element, CPE bears the function of described centralized processing unit, X2 interface is born the function of described CPE interface, X1 interface is born the function of described CPE and AE interface, control interface is born the function of described control interface, and S-GW bears the function of described gateway, and P-GW bears the function of described data gateway, OpenFlow Controller bears the function of controller, and Resource Pool bears the function of resource pool.
Wherein all kinds antenna element (Macro AE, Micro AE, Pico AE, Femto AE, Relay AE, WLAN AE) be connected (by the mode of fiber optic stretch or the mode of wireless connections) with each centralized processing unit, between each centralized processing unit, connect (for improving the data transmission bauds between centralized processing unit by X2 interface, connecting of the mode of employing optical fiber), centralized processing unit is connected with gateway and OpenFlow controller in framework by optical fiber that (the OpenFlow controller in the present embodiment exists with functional entity independently, also can be integrated in actual applications in each centralized processing unit, share corresponding function by centralized processing unit), resource pool is connected by optical fiber with OpenFlow controller.
At all assemblies, all according to after connecting shown in Fig. 3, network carries out topological structure and stream table initialization setting:
1. the structure of netinit and full mesh topology figure
The CPE of 1.1 the whole networks sends Initial signaling by X2 interface to adjacent node, will be with the ID of described CPE in Initial signaling.
1.2CPE receiving after described Initial signaling, replies to the ACK signaling of CPE that sends described signaling, in described ACK signaling with the ID of described CPE.
1.3CPE compiles all ACK signalings of receiving, and therefrom extracts the ID of corresponding CPE, is packaged into same Packet Generation to OpenFlow Controller with the ID of oneself.
1.4OpenFlow Controller compiles all packets of receiving, and therefrom extracts the annexation of all CPE, generates the topology diagram of CPE in whole network by certain graph-theoretical algorithm.
2. the generation of the whole network stream table
2.1OpenFlow Controller issues an ACK signaling to all CPE after the topology diagram that generates CPE.Now, CPE is by sending Initialv2 signaling in order to search connected AE with the interface of each AE, in described Initialv2 signaling with the ID of described AE.
2.2 all AE passback ACK signalings of receiving described Initialv2 signaling are to described CPE, in described ACK signaling with the ID of described AE.
2.3CPE compiles all ACK signalings of receiving therefrom extract the ID of described AE, and is packaged into packet with the ID of described CPE and is uploaded to OpenFlow Controller.
2.4OpenFlow Controller, receiving after described packet, therefrom extracts the annexation of AE and CPE, and according to all stream tables of the whole network of OpenFlow protocol generation.
3. netinit completes
3.1OpenFlow Controller stores the stream table of generation in resource pool into, and is handed down to CPE.
3.2CPE is receiving after the stream table that described OpenFlow Controller issues, and retains to own relevant stream list item and by remaining stream list item and abandons to reduce storage pressure, and facilitate the fast-forwarding of subsequent data transmission.
Take any UE in described mobile communication access network framework as example, in the time that UE initiates service request, Resource Pool can be according to the residing wireless environment of described UE, it is that described UE distributes AE, the resources such as the upper available time slot of AE, bandwidth, code word that available AE around it and CPE and Radio Resource are implemented virtual wireless resource management algorithm.Meanwhile, when in the service request that UE initiates with its QoS demand being, under the control of OpenFlow Controller, can implement business stripping strategy according to the QoS demand of described UE, promote the user satisfaction of variety classes business.
Because OpenFlow Controller carries out real-time update for the topological diagram of whole network, thereby can be by the control of CPE and AE is carried out to centralized management to the disturbed condition of whole network, thereby make the minimum interference of whole network.
In the time that described UE moves, the mobile status of the real-time monitoring UE of OpenFlow Controller and usable radio resources around, quick renewal by convection current table and issue the Mobility Management Strategy of implementing customer-centric, in order to eliminate the cell boarder effect in traditional mobile communications network framework.
When moving to multiple dissimilar antenna elements, described UE covers lower time, the traffic performance that OpenFlow Controller asks according to the characteristic of each antenna element and UE is implemented self-adapted service unloading strategy, gives most suitable antenna element by dissimilar traffic assignments.
In addition, by the control of OpenFlow Controller, the user plane in Access Network can carry out self adaptation adjustment according to the real-time distribution situation of UE and business, under the prerequisite that meets user's covering, minimizes the interference between different antennae unit; Meanwhile, need to guarantee that the covering of control plane can be taken into account the interplanar control of each different user and coordination, to guarantee the normal operation of whole Access Network.
The invention has the beneficial effects as follows that described Access Network framework also comprises the virtual Access Network of supporting that each node cooperates completely, realize the virtual of traditional base station access-in resource, be divided into and be responsible for the antenna element of signal transmitting and receiving function and the centralized processing unit of responsible computing function.By network virtualization technology, antenna element and centralized processing unit are reconfigurable and can flexible expansion.
Assembly in described framework---be responsible for controller and resource pool that the whole network scheduling of resource and OpenFlow agreement support.The identity identification information (ID) that comprises described antenna element and centralized processing unit in the stream table of its middle controller generation and renewal, the resources such as time slot, carrier wave, code word, space angle.
Under described framework, propose the OpenFlow agreement towards mobile communication framework, comprised the mutual of the definition of brand-new stream table content and stream table information.
Described framework comprises the mutual cooperation between various standards, various types of antenna element.Cover the situation of the same area for dissimilar antenna element, adopt the mode of collaboration communication jointly for user provides resource.But, different from homogenous networks, dissimilar antenna element has different maximum transmission power, and number of transmit antennas is also different, therefore need by back haul link exchange control signal cooperate reach shared Radio Resource, suppress to disturb, the object such as increase power system capacity.
Described framework by southbound interface protocol application such as OpenFlow in mobile communication access network framework, support the virtual Access Network of cooperation completely, realize access-in resource virtual, be decomposed into centralized processing unit and antenna element, can reshuffle more flexibly and expand, realized in mobile communication access network network and having controlled and separating of forwarding.
Although described by reference to the accompanying drawings embodiments of the present invention, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such modification and modification all fall into by within claims limited range.
Claims (11)
1. a mobile communication access network framework, is characterized in that, this framework comprises: antenna element AE, centralized processing unit CPE, controller, resource pool and gateway;
Described AE is connected with described CPE, for the sending and receiving of wireless signal, simultaneously for user equipment (UE) provides covering;
Described CPE is connected with described controller, described resource pool and described gateway, for the treatment of the wireless signal receiving;
Described controller is for realizing OpenFlow agreement and the control to described CPE;
Described resource pool is for management, distribution and scheduling to Radio Resource;
Described gateway is for connecting except the network of other type of mobile communications network and being connected to internet.
2. framework according to claim 1, it is characterized in that, the auxiliary described centralized processing unit CPE of described antenna element AE builds and safeguards the user plane of this framework, described centralized processing unit CPE builds and safeguards the control plane of this framework, realizes separating of this framework control plane and user plane.
3. framework according to claim 1, it is characterized in that, the resource of described antenna element AE comprises transmitting power, bandwidth, time slot, code word and space angle, the state of described AE comprises to be opened ON state and closes OFF state, the coverage of described AE is definite according to the size of described transmitting power, and the type of described AE is determined according to the size of described transmitting power.
4. framework according to claim 1, is characterized in that, described centralized processing unit CPE, controller or resource pool change the type of described antenna element AE by dynamic adjustment transmitting power.
5. framework according to claim 1, is characterized in that, one or more antenna element AE connect same centralized processing unit CPE, and described CPE also carries out communication for coordination for dispatching the multiple antenna element AE of coordination.
6. framework according to claim 1, is characterized in that, the state of described centralized processing unit CPE comprises resting state, and the condition that described CPE enters resting state is that all antenna element AE of being connected with described CPE are in OFF state.
7. framework according to claim 1, be further characterized in that, described controller further comprises stream table, described stream table is based on OpenFlow agreement, carry out resource distribution for assisting, scheduling and routing addressing, described stream table comprises matching domain, instruction, counter and adjacent C PEID, wherein, the packet that described matching domain is used for transmitting with network carries out matching ratio, described matching domain comprises AE ID, CPE ID and available resources, the identify label of AE ID representative antennas unit, CPE ID is the identify label of the centralized processing unit under described antenna element, available resources are available resources of described antenna element, described instruction is that the packet of matching domain coupling is about to the action of carrying out, described counter is for data flow quantity statistical, adjacent C PEID is the ID of the centralized processing unit that is directly connected with the centralized processing unit of described matching domain.
8. framework according to claim 7, is characterized in that, the more new model of described stream table comprises active and passive two kinds of patterns, and described active more new model is the more new model of periodic current table of being initiated by described controller; Described passive more new model is the pattern of carrying out the renewal of stream table with trigger controller by antenna element AE or centralized processing unit CPE active upload state information; Described passive more new model comprises two kinds of initiation patterns, the first is by the pattern that newly adds the antenna element AE of this framework or centralized processing unit CPE to initiate, and it two is to enter OFF state or centralized processing unit CPE enters the pattern that resting state is initiated by antenna element AE.
9. framework according to claim 8, it is characterized in that, described centralized processing unit CPE further comprises storage forwarding subelement, and described storage forwarding subelement is for the data of storing stream table, user equipment (UE) or core net that described controller issues and issuing and the forwarding of data.
10. framework according to claim 7, is characterized in that, described resource pool is also for flowing the storage backup of table.
11. frameworks according to claim 1, it is characterized in that, described centralized processing unit CPE further comprises CPE interface subelement, and different centralized processing unit CPE is connected by described CPE interface subelement, and described CPE interface subelement is for signaling and transfer of data; Described gateway comprises data gateway and gateway, and described data gateway is for changing the forwarding transmission of data packet format and packet between different type network, and described gateway is for the signalling between different type network.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284373A (en) * | 2014-09-28 | 2015-01-14 | 桂林电子科技大学 | Frequency spectrum sharing and power distribution method for cellular network base station and relay station |
| CN105357112A (en) * | 2014-08-19 | 2016-02-24 | 华为技术有限公司 | Communication method and device in software defined network |
| CN106549785A (en) * | 2015-09-21 | 2017-03-29 | 中兴通讯股份有限公司 | A kind of topological management method and device at indoor micro- station |
| CN107612666A (en) * | 2016-07-11 | 2018-01-19 | 北京信威通信技术股份有限公司 | A kind of data transmission method and device in V2X |
| CN108541059A (en) * | 2017-03-01 | 2018-09-14 | 中兴通讯股份有限公司 | A kind of Poewr control method and device |
| CN109586945A (en) * | 2017-09-29 | 2019-04-05 | 株式会社秀利得 | Distributing antenna system based on OPENFLOW |
| CN111510926A (en) * | 2020-04-08 | 2020-08-07 | 中国农业大学 | Visible light communication and WiFi heterogeneous convergence network and resource scheduling method |
| CN111953555A (en) * | 2020-06-29 | 2020-11-17 | 联想(北京)有限公司 | Link detection method, CPE (customer premises equipment) and storage medium |
| WO2021143026A1 (en) * | 2020-01-14 | 2021-07-22 | 平安科技（深圳）有限公司 | Flow table updating method, apparatus and system, computer device, and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012121114A1 (en) * | 2011-03-04 | 2012-09-13 | 日本電気株式会社 | Network system, network device, and path control method |
| CN103108331A (en) * | 2013-01-28 | 2013-05-15 | 北京邮电大学 | Communication system based on frameless network architecture and networking method |
| CN103327529A (en) * | 2013-05-27 | 2013-09-25 | 北京邮电大学 | Open Flow protocol framework based on mobile communication network and service separated processing method |
| CN103369613A (en) * | 2013-07-05 | 2013-10-23 | 中国科学院计算机网络信息中心 | System and method for realizing mobile switching based on Open Flow |
| CN103561481A (en) * | 2013-11-14 | 2014-02-05 | 华为技术有限公司 | Self-establishing method and device for X2 interfaces |
-
2014
- 2014-02-14 CN CN201410052534.9A patent/CN103874078B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012121114A1 (en) * | 2011-03-04 | 2012-09-13 | 日本電気株式会社 | Network system, network device, and path control method |
| CN103108331A (en) * | 2013-01-28 | 2013-05-15 | 北京邮电大学 | Communication system based on frameless network architecture and networking method |
| CN103327529A (en) * | 2013-05-27 | 2013-09-25 | 北京邮电大学 | Open Flow protocol framework based on mobile communication network and service separated processing method |
| CN103369613A (en) * | 2013-07-05 | 2013-10-23 | 中国科学院计算机网络信息中心 | System and method for realizing mobile switching based on Open Flow |
| CN103561481A (en) * | 2013-11-14 | 2014-02-05 | 华为技术有限公司 | Self-establishing method and device for X2 interfaces |
Non-Patent Citations (2)
| Title |
|---|
| HASSAN ET AL: "An SDN-Based Network Architecture for Extremely Dense Wireless Networks", 《FUTURE NETWORKS AND SERVICES (SDN4FNS),2013 IEEE SDN FOR》 * |
| XU XIAODONG ET AL: "Resource pooling for frameless network architecture with adaptive resource allocation", 《SCIENCE CHINA》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357112A (en) * | 2014-08-19 | 2016-02-24 | 华为技术有限公司 | Communication method and device in software defined network |
| CN104284373A (en) * | 2014-09-28 | 2015-01-14 | 桂林电子科技大学 | Frequency spectrum sharing and power distribution method for cellular network base station and relay station |
| CN104284373B (en) * | 2014-09-28 | 2018-10-19 | 桂林电子科技大学 | A kind of cellular network base stations and relay station frequency spectrum share and power distribution method |
| CN106549785A (en) * | 2015-09-21 | 2017-03-29 | 中兴通讯股份有限公司 | A kind of topological management method and device at indoor micro- station |
| CN107612666A (en) * | 2016-07-11 | 2018-01-19 | 北京信威通信技术股份有限公司 | A kind of data transmission method and device in V2X |
| CN108541059A (en) * | 2017-03-01 | 2018-09-14 | 中兴通讯股份有限公司 | A kind of Poewr control method and device |
| CN108541059B (en) * | 2017-03-01 | 2022-07-05 | 中兴通讯股份有限公司 | Power control method and device |
| CN109586945A (en) * | 2017-09-29 | 2019-04-05 | 株式会社秀利得 | Distributing antenna system based on OPENFLOW |
| CN109586945B (en) * | 2017-09-29 | 2022-06-10 | 株式会社秀利得 | Distributed antenna system based on OPENFLOW |
| WO2021143026A1 (en) * | 2020-01-14 | 2021-07-22 | 平安科技（深圳）有限公司 | Flow table updating method, apparatus and system, computer device, and storage medium |
| CN111510926A (en) * | 2020-04-08 | 2020-08-07 | 中国农业大学 | Visible light communication and WiFi heterogeneous convergence network and resource scheduling method |
| CN111953555A (en) * | 2020-06-29 | 2020-11-17 | 联想(北京)有限公司 | Link detection method, CPE (customer premises equipment) and storage medium |
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