Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to in-door covering device of the present utility model and multi-modulation scheme covering system.
Refer to Fig. 1, Fig. 1 is an embodiment in-door covering apparatus structure schematic diagram.
A kind of in-door covering device, comprises baseband spread device 10 and the multiple multi-modulation scheme distributed devices 20 being located at overlay area;
Described baseband spread device 10 connects the base band data processing module 30 of small base station 40 and multiple multi-modulation scheme distributed devices 20 respectively;
Described multi-modulation scheme distributed devices 20 comprises: the first band signal processor 25, first transceiver 23, first clock synchronization module 21; Described first clock synchronization module 21 connects the first band signal processor 25 and the first transceiver 23 respectively; Described first band signal processor 25 connects described baseband spread device 10 and the first transceiver 23 respectively.
Above-mentioned in-door covering device, each multi-modulation scheme distributed devices 20 of overlay area is connected at by baseband spread device 10, by the first transceiver 23 in multi-modulation scheme distributed devices 20, signal is converted to radiofrequency signal and carries out the network coverage, thus expanding network coverage, the quorum sensing inhibitor for middle large scene is better.Multi-modulation scheme distributed devices 20 can be made synchronous with small base station 40 by the first clock synchronization module 21, the network of covering can be made more stable.
In one embodiment, described baseband spread device 10 comprises: baseband processing unit, PSE remote power feeding module and the first Ethernet network interface;
Described multi-modulation scheme distributed devices 20 also comprises: the second Ethernet network interface, POE supply module;
Described baseband processing unit connects described first Ethernet network interface and base band data processing module 30 respectively; Described first Ethernet network interface connects described PSE remote power feeding module and connects described second Ethernet network interface by Ethernet; Described POE supply module connects described second Ethernet network interface;
Described PSE (Power Sourcing Equipment, POE power supply unit) remote power feeding module, to power (Power Over Ethernet) module for power supply to described POE by Ethernet; Described POE supply module, powers for giving described first band signal processor 25, first transceiver 23, first clock synchronization module 21.
Baseband processing unit can at FPGA (Field-Programmable Gate Array, field programmable gate array) chip realizes correlation function, make to be connected by Ethernet between baseband spread device 10 with multi-modulation scheme distributed devices 20 by the first Ethernet network interface and the second Ethernet network interface, cost-saving; Can power to preferably the first band signal processor 25, first transceiver 23, first clock synchronization module 21 by PSE remote power feeding module and POE supply module, not need extra power supply.
In one embodiment, the in-door covering device of the present embodiment can also comprise convergence switch, and wherein, described convergence switch can comprise the second band signal processor, the second optical module and second clock synchronization module;
Described baseband spread device 10 also comprises the first optical module; Described multi-modulation scheme distribution module is communicated to connect by described convergence switch and described base band data processing module 30; Described second band signal processor connects described second optical module and second clock synchronization module respectively; Described first optical module connects described base band data processing module 30, and described first optical module is by the second optical module described in Fiber connection.Can be expanded the coverage of network by convergence switch, the quorum sensing inhibitor for middle large scene is better.
A kind of multi-modulation scheme covering system, comprises the above-mentioned arbitrary described in-door covering device and multi-modulation scheme small base station that connect successively;
Described multi-modulation scheme small base station comprises the protocol process module, base band data processing module, the second transceiver that connect successively; Described protocol process module communication connection core net.
Above-mentioned multi-modulation scheme covering system, by providing a kind of multi-modulation scheme small base station, the covering of multi-modulation scheme signal is realized with a set of equipment, multi-modulation scheme comprises the combination in any of various communication standard, avoid and existingly generally carry out by many complete equipments the waste that multi-modulation scheme covers the equipment cost brought, cost of arranging net, construction cost, maintenance cost, saved a large amount of costs.Meanwhile, by in-door covering device, expand network coverage, the quorum sensing inhibitor for middle large scene is better.By protocol process module, base band data processing module, the second transceiver to the process of the correspondence of multi-system data, thus the covering of multi-modulation scheme signal can be realized with a set of equipment, cost-saving.
In one embodiment, described protocol process module can comprise the procotol processing module, upper-layer protocol processing module and the physical layer protocol processing module that connect successively; Described procotol processing module communication connection core net, described physical layer protocol processing module connects described base band data processing module 30.
In one embodiment, described procotol processing module can comprise: described procotol processing module comprises: LTE network protocol process module and GSM network protocol process module;
Described upper-layer protocol processing module comprises: LTE upper-layer protocol processing module and GSM upper-layer protocol processing module; Described physical layer protocol processing module comprises: LTE physical layer protocol processing module and GSM physical layer protocol processing module;
Described LTE network protocol process module, LTE upper-layer protocol processing module are connected successively with LTE physical layer protocol processing module; Described GSM network protocol process module, GSM upper-layer protocol processing module are connected successively with GSM physical layer protocol processing module; Described LTE network protocol process module communication connection core net, described LTE physical layer protocol processing module connects described base band data processing module 30; Described LTE network protocol process module communication connection core net, described LTE physical layer protocol processing module connects described base band data processing module 30; Described GSM network protocol process module communication connection core net, described GSM physical layer protocol processing module connects described base band data processing module 30;
Described second transceiver comprises GSM transceiver and LTE transceiver; Described base band data processing module 30 connects described GSM transceiver and LTE transceiver respectively.
In one embodiment, the present embodiment multi-modulation scheme covering system can comprise multiple convergence switch;
Described multi-modulation scheme small base station connects multiple multi-modulation scheme distributed devices 20 by described baseband spread device 10, by one of them convergence switch in the multiple convergence switch of Fiber connection;
Be connected to each other by optical fiber between each convergence switch, each convergence switch connects multiple multi-modulation scheme distributed devices 20 by Ethernet.
By providing multiple convergence switch can carry out the configuration of networking neatly according to the demand covered, if coverage is less, multiple multi-modulation scheme distributed devices 20 can be coordinated to carry out the network coverage with less convergence switch.
In one embodiment, the present embodiment multi-modulation scheme covering system can also comprise two multi-modulation scheme small base stations and multiple convergence switch;
One of them convergence switch in multiple convergence switch connects two multi-modulation scheme small base stations respectively by optical fiber; Each multi-modulation scheme small base station connects multiple multi-modulation scheme distributed devices 20 by corresponding baseband spread device 10; Be connected to each other by optical fiber between each convergence switch, each convergence switch connects multiple multi-modulation scheme distributed devices 20 by Ethernet.
By providing two multi-modulation scheme small base stations, the dilatation demand covering under large scene and cover thick and fast better can be ensured.
Be more than each embodiment of the present utility model, the technical solution of the utility model can generally be applied in wireless communication technology field, sets forth below in conjunction with accompanying drawing the application that a kind of technical scheme utilizing the utility model to provide solves actual techniques problem.
This embody rule example is with in GSM (global system for mobile communications, Global System For MobileCommunications) and LTE (Long Term Evolution, the Long Term Evolution of universal mobile communications technology) on the example that is applied as be described.
Refer to Fig. 2, Fig. 2 is an embodiment multi-modulation scheme extended pattern Smallcell structural representation.
The multi-modulation scheme extended pattern Smallcell of this embody rule example comprises GSM standard procotol processing module, GSM standard upper-layer protocol processing module, GSM standard physical layer protocol processing module, LTE standard procotol processing module, LTE standard upper-layer protocol processing module, LTE standard physical layer protocol processing module, base band data processing module, baseband processing unit, optical module, PSE remote power feeding module, Ethernet network interface.
The workflow of network element 1 multi-modulation scheme extended pattern Smallcell:
Descending:
1) GSM standard procotol processing module and LTE standard procotol processing module receive IP (Internet Protocol respectively, procotol) data of network, send to GSM standard upper-layer protocol processing module and LTE standard upper-layer protocol processing module after carrying out protocol processes respectively;
2) GSM standard upper-layer protocol processing module and LTE standard upper-layer protocol processing module respectively to receive data according to L2 (data link layer), L3 (network layer), RRM (Radio Resource Management, RRM) agreement and algorithm carry out protocol processes, then respectively the data after process issued GSM standard physical layer protocol processing module and LTE standard physical layer protocol processing module;
3) GSM standard physical layer protocol processing module and LTE standard physical layer protocol processing module carry out protocol processes to the data received according to L1 (physical layer) agreement respectively, then base band data processing module is issued, baseband processing module is also divided into two part GSM base band data processing modules and LTE baseband processing module, respectively alignment processing GSM data and LTE data;
4) the GSM standard data of reception and LTE data are carried out up-conversion and down-converted by base band data processing module respectively, data after treatment, be divided into several processing section, a part directly issues GSM Transceiver Module and LTE Transceiver Module, then send radiofrequency signal by respective Transceiver Module, carry out the network coverage; Data after process are issued baseband spread device and are processed by Part II, to 8 should be had to be with POE to power the Ethernet network interface of (Power Over Ethernet) above baseband spread device, the data broadcast that receives to each network interface, is passed to multi-modulation scheme distributed devices by netting twine base band data and is processed by baseband spread device; Data after process are issued convergence switch by the light mouth of optical module and are processed by Part III.
Up:
1) GSM standard transceiver and LTE standard transceiver receive the upward signal from mobile terminal respectively, issue base band data processing module after converting the signal into uplink baseband signal, base band data module carries out data sampling rate and bit wide recovery, alignment of data, vector calculus etc.
2) base band data processing module receives data from each transceiver or multi-modulation scheme distributed devices or the data of convergence switch respectively according to standard, is back to the physical layer protocol processing module of each standard after integration according to standard respectively;
3) the physical layer protocol processing module of each standard receives the data of each standard base band data processing module, carries out protocol processes, be then back to each standard upper-layer protocol processing module according to each standard ground floor L1 agreement;
4) each standard upper-layer protocol processing module receives each standard physical layer protocol processing module data respectively, carries out protocol processes, be then back to each standard network protocol module according to each standard second layer L2, third layer L3, RRM agreement and algorithm;
5) each standard procotol processing module receives each standard upper-layer protocol processing module data, by being back to mobile communication core net by IP network after the process of each standard procotol.
Refer to Fig. 3, Fig. 3 is an embodiment multi-modulation scheme distributed devices structural representation.
The workflow of network element 2 multi-modulation scheme distributed devices DP (Distributed Part):
The physical entity of network element 1 and network element 2 interface is gigabit network interface, for transmitting the I (in-phase between multi-modulation scheme extended pattern Smallcell and multi-modulation scheme distributed devices DP, homophase) Q (quadrature, orthogonal) data flow and monitor data, by gigabit network interface multi-modulation scheme extended pattern Smallcell for multi-modulation scheme distributed devices provides remote power feeding; The transformat of network element 1 and network element 2 is self-defining a kind of transformats, because gigabit network interface needs the I/Q data transmitting LTE+GSM standard, need to do the process such as data sampling rate and bit width conversion at the baseband spread device of network element 1, the data after conversion carry out framing by network cable transmission to multi-modulation scheme distributed devices DP according to self-defined base band data transmission agreement.Clock synchronization module is used for network element 2 and network element 1 clock synchronous.
DP (LTE+GSM) is descending:
The GSM+LTE baseband I Q data of 5 class CAT5 cables or the transmission of Ethernet 6 class CAT6 cable reception baseband spread device are surpassed by Ethernet, first band signal processor carries out the process such as solution frame, bit width conversion, frame synchronization to the data received, LTE, GSM base band data handled well is delivered to GSM Transceiver Module respectively and LTE Transceiver Module processes, the radiofrequency signal obtained after process carries out quorum sensing inhibitor respectively by LTE antenna and GSM antenna, wherein, LTE antenna comprises: LTE antenna 1, LTE antenna 2 etc.
DP (LTE+GSM) is up:
LTE antenna and GSM antenna receive UE (the User Equipment of LTE, subscriber equipment) and the UE signal of GSM, process through GSM Transceiver Module and LTE Transceiver Module, first band signal processor carries out bit width conversion to the data received, the process such as Ethernet group bag, data after group bag are sent to ethernet PHY (Physical Layer, physical layer) chip, then surpass by Ethernet the baseband spread device that 5 class cables or Ethernet 6 class cable are sent to I/Q data network element 1, baseband spread device is by separating frame, bit width conversion, rate transition, after the process such as up merging, send base band data processing module to and carry out merging treatment with local upstream data, the physical layer protocol module that data after process are given to LTE and GSM standard processes.
The physical layer protocol processing module of each standard receives the data of each standard base band data processing module, carries out protocol processes according to each standard L1 agreement, is then back to each standard upper-layer protocol processing module;
3) each standard upper-layer protocol processing module receives each standard physical layer protocol processing module data respectively, carries out protocol processes, be then back to each standard network protocol module according to each standard L2, L3, RRM agreement and algorithm;
4) each standard procotol processing module receives each standard upper-layer protocol processing module data, by being back to mobile communication core net by IP network after the process of each standard procotol.
Refer to Fig. 4, Fig. 4 is an embodiment convergence switch structural representation.
The workflow of network element 3 convergence switch SW (Switch):
The physical entity of network element 3 and network element 2 interface is gigabit network interface, for the I/Q data stream between Transmission Convergence switch SW and multi-modulation scheme distributed devices DP and monitor data, by gigabit network interface convergence switch SW for multi-modulation scheme distributed devices provides remote power feeding; The transformat of network element 3 and network element 2 is self-defining a kind of transformats, because gigabit network interface needs the I/Q data transmitting LTE+GSM standard, need to do data sampling rate and bit width conversion etc. at the expansion module of network element 3, the data after conversion carry out framing by network cable transmission to multi-modulation scheme distributed devices DP according to self-defined base band data transmission agreement.The physical entity of network element 3 and network element 1 interface is the light mouth of optical module, SWRI (Common Public RadioInterface, the common public radio interface) agreement that host-host protocol is followed, and by light mouth, baseband I Q data is passed to convergence switch.Clock synchronization module is used for network element 3 and network element 1 clock synchronous.
Descending:
Downstream signal in network element 1 is after base band data processing module, baseband I Q data are handed down to network element 3 by the broadcast of light mouth, the function of network element 3 is the process such as the conversion of baseband I Q data through-rate, bit wide conversion, Ethernet group bag receiving, and the multi-modulation scheme distributed devices that base band I/Q signal broadcast distribution connects to network element 3 is processed.
Up:
1) network element 2 receives the process of mobile terminal signal by transceiver, and first bit width conversion of band signal processor, Ethernet group bag relevant treatment, the second band signal processor data base-band I/Q signal being passed to network element 3 processes, unpack through Ethernet, bit width conversion, rate transition, after the relevant treatment such as upper row alignment merging, I/Q data is carried out upstream data by light oral instructions to the baseband processing module of network element 1 and is merged the process such as alignment, and the physical layer protocol module that the data after process are given to LTE and GSM standard processes.
2) the physical layer protocol processing module of each standard receives the data of each standard base band data processing module, carries out protocol processes according to each standard L1 agreement, is then back to each standard upper-layer protocol processing module;
3) each standard upper-layer protocol processing module receives each standard physical layer protocol processing module data respectively, carries out protocol processes, be then back to each standard network protocol module according to each standard L2, L3, RRM agreement and algorithm;
4) each standard procotol processing module receives each standard upper-layer protocol processing module data, by being back to mobile communication core net by IP network after the process of each standard procotol.
By network element 1, network element 2, network element 3 can flexible networking, demand according to large, medium and small scene carries out different networking modes, can be that independent multi-modulation scheme extended pattern Smallcell carries out quorum sensing inhibitor, also can be that multi-modulation scheme extended pattern Smallcell adds that multi-modulation scheme distributed devices carries out quorum sensing inhibitor, can also be multi-modulation scheme extended pattern Smallcell, covering that convergence switch, multi-modulation scheme distributed devices common networking complete multi-modulation scheme.It is maximized networking mode shown in Fig. 5.Multi-modulation scheme extended pattern Smallcell connects multiple multi-modulation scheme distributed devices by CAT5/6 cable, simultaneously by Fiber connection SW1, Fiber connection is passed through each other between SW1, SW2 to SWn, each SW connects multiple multi-modulation scheme distributed devices by CAT5/6 cable, thus in can meeting better, the covering demand of large scene.Also can carry out dilatation according to the dilatation demand covering under large scene and cover thick and fast, as shown in Figure 6 and Figure 7 simultaneously.In Fig. 6, to be connected with SW1 by two multi-modulation scheme extended pattern Smallcell (multi-modulation scheme extended pattern Smallcell-1 and multi-modulation scheme extended pattern Smallcell-2) and to carry out dilatation; Each SW connects multiple multi-modulation scheme distributed devices by CAT5/6 cable; In Fig. 7, multi-modulation scheme extended pattern Smallcell-2 carries out dilatation by Fiber connection multi-modulation scheme extended pattern Smallcell-1, and multi-modulation scheme extended pattern Smallcell-1 connects multiple multi-modulation scheme distributed devices by CAT5/6 cable.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.