CN202679413U - Access device and system - Google Patents

Access device and system Download PDF

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Publication number
CN202679413U
CN202679413U CN 201220337853 CN201220337853U CN202679413U CN 202679413 U CN202679413 U CN 202679413U CN 201220337853 CN201220337853 CN 201220337853 CN 201220337853 U CN201220337853 U CN 201220337853U CN 202679413 U CN202679413 U CN 202679413U
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China
Prior art keywords
interface
access device
base station
equipment
clock server
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Expired - Lifetime
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CN 201220337853
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Chinese (zh)
Inventor
冯烈训
王道威
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The utility model embodiment provides an access device and a system which relate to the communication technical field. The device comprises an IP clock server applied for acquiring time synchronizing signals and generating a time synchronizing data packet based on the time synchronizing signals; a first interface applied for connecting an access point transmission device so as to receive a business data packet; a second interface applied for connecting small base stations; and a transmission module applied for sending the business data packet received from the first interface and the time synchronizing data packet generated by the IP clock server to the small base stations through the second interface. By generating the time synchronizing data packet through the IP clock server and sending the business data packet transmitted by the access point transmission device and the time synchronizing data packet generated by the IP clock server to the small base stations through the same interface, the device is thus able to achieve a synchronizing function and a transmission function at the same time and further lowers the wiring numbers of the small base stations and alleviates the wiring difficulties.

Description

A kind of access device and system
Technical field
The utility model relates to communication technical field, particularly a kind of access device and system.
Background technology
Along with the development of mobile communication technology, the application of little base station in indoor and focus cover is more and more.During little base station networking, each little base station needs usually by different cables, is connected respectively to access point transmission equipment, synchronizer and power supply unit.Because the application scenarios of little base station is special, so cable laying difficulty, quantities during little base station networking are large, to lay cost high.
The utility model content
When solving little base station networking of the prior art cable laying difficulty, quantities large, lay the high problem of cost, the utility model embodiment provides a kind of access device and system.Described technical scheme is as follows:
On the one hand, the utility model embodiment provides a kind of access device, and described equipment comprises:
The IP clock server is used for the acquisition time synchronizing signal, and based on described time synchronizing signal generation time synchronization packets;
First interface is used for being connected with the access point transmission equipment, to receive the business data packet by described access point transmission equipment transmission;
The second interface is used for being connected with little base station;
Transport module, the time synchronized packet that is used for producing from business data packet and the described IP clock server of described first interface reception sends to described little base station by described the second interface.
Particularly, described first interface is Ethernet interface or Gigabit-capable Passive Optical Network interface.
Particularly, described the second interface is the RJ45 interface.
Alternatively, described equipment also comprises the 3rd interface, is used for being connected with the access device of subordinate, and the time synchronized Packet Generation that produces with the business data packet that will receive from described first interface and described IP clock server is to the access device of described subordinate.
Alternatively, described equipment also comprises:
The Power over Ethernet module, being used for by described transport module is described little base station power supply.
Alternatively, described equipment also comprises:
Satellite signal receiver is used for receiving described time synchronizing signal.
Further, described satellite signal receiver and described IP clock server become one.
On the other hand, the utility model embodiment also provides a kind of access device, and described equipment comprises:
First interface is used for being connected with higher level's access device, the business data packet and the time synchronized packet that transmit with the access device that receives described higher level;
The IP clock server is used for the new time synchronized packet of time synchronized packet generation according to the described higher level's who receives access device;
The second interface is used for being connected with little base station;
Transport module, the time synchronized Packet Generation that is used for receiving from described first interface is to described IP clock server, and the new time synchronized packet that the business data packet that will receive from described first interface and described IP clock server generate send to described little base station by described the second interface.
Alternatively, described equipment also comprises:
The Power over Ethernet module, being used for by described the second interface is described little base station power supply.
Alternatively, described equipment also comprises the 3rd interface, is used for being connected with the access device of subordinate, and the new time synchronized Packet Generation that produces with the business data packet that will receive from described first interface and described IP clock server is to the access device of described subordinate.
Another aspect, the utility model embodiment also provides a kind of connecting system, and described system comprises: access point transmission equipment, at least one little base station and aforementioned access device, described little base station is connected with described access point transmission equipment by described access device.
The beneficial effect of the technical scheme that the utility model embodiment provides is: the utility model embodiment is by IP clock server generation time synchronization packets, and the time synchronized packet that business data packet and the IP clock server of access point transmission equipment transmission produces sent to little base station by same interface, thereby can realize simultaneously synchronizing function and transfer function, effectively reduce little base station wiring quantity and difficulty.And owing to the IP clock server is integrated in the access device, and access device is connected between access point transmission equipment and the little base station, so do not need existing access point transmission equipment is reconfigured, is easy to realization and realizes that cost is low.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of the access device that provides of the utility model embodiment 1;
Fig. 2 is the structured flowchart of the access device that provides of the utility model embodiment 2;
Fig. 3 is the structured flowchart of the access device that provides of the utility model embodiment 3;
Fig. 4 is the structured flowchart of the access device that provides of the utility model embodiment 4;
Fig. 5 is the structured flowchart of the connecting system that provides of the utility model embodiment 5;
Fig. 6 is the structured flowchart of the connecting system that provides of the utility model embodiment 6.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model execution mode is described in further detail.
Embodiment 1
The utility model embodiment provides a kind of access device, and as shown in Figure 1, this equipment comprises IP clock server 11, transport module 12, first interface 13 and the second interface 14.
Wherein, IP clock server 11 is used for the acquisition time synchronizing signal, and based on this time synchronizing signal generation time synchronization packets; First interface 13 is used for being connected with the access point transmission equipment, to receive the business data packet by the transmission of access point transmission equipment; The second interface 14 is used for being connected with little base station; The time synchronized packet that transport module 12 is used for producing from business data packet and the IP clock server 11 of first interface 13 receptions sends to little base station by the second interface 14.Transport module 12 is electrically connected with first interface 13, the second interface 14 and IP clock server 11 respectively.
Particularly, little base station includes but not limited to Micro(Micro Base Station, little base station), Pico(Pico Base Station, femto base station) and Femto(Femto Base Station, Home eNodeB), standard includes but not limited to GSM(Global System of Mobile communication, global system for mobile communications), UMTS(Universal Mobile Telecommunications System, universal mobile telecommunications system), LTE(Long Term Evolution, Long Term Evolution), CDMA(Code Division Multiple Access, code division multiple access), WIMAX(Worldwide Interoperability for Microwave Access, the worldwide interoperability for microwave access).This access point transmission equipment is used for realizing transfer of data between equipment of the core network and the access network equipment.
Particularly, this time synchronizing signal can be the satellite system framing signal.Particularly, this global position system can be GPS(Global Positioning System, global positioning system) system, big-dipper satellite navigation system or other global position systems.
Particularly, IP clock server 11 provides the time synchronized function according to the 1588V2 time synchronization protocol.In the present embodiment, this IP clock server 11 adopts server mode work.The structure of this IP clock server 11 and principle are known for those skilled in the art, are not described in detail at this.
Wherein, first interface 13 includes but not limited to Ethernet interface, GPON(Gigabit-capable passive optical network, Gigabit-capable Passive Optical Network) interface, interface shape can be electrical interface or optical interface.
Alternatively, the second interface 14 is the RJ45 interface.RJ45 refers to modular jack or the plug that uses by 8 positions (8 pin) of international connector standard definition.The RJ45 interface is generally used for transfer of data, the modal network interface card interface that is applied as.
Particularly, transport module 12 will send to little base station by the second interface 14 from the business data packet from the access point transmission equipment that first interface 13 receives; Simultaneously, the time synchronized packet that IP clock server 11 is provided sends to little base station by this second interface 14, thereby has realized simultaneously synchronizing function and transfer function.
Need to prove, in specific implementation, this equipment can be called as Smart Unit.
The utility model embodiment is by IP clock server generation time synchronization packets, and the time synchronized packet that business data packet and the IP clock server of access point transmission equipment transmission produces sent to little base station by same interface, thereby can realize simultaneously synchronizing function and transfer function, effectively reduce little base station wiring quantity and difficulty.And owing to the IP clock server is integrated in the access device, and access device is connected between access point transmission equipment and the little base station, so do not need existing access point transmission equipment is reconfigured, is easy to realization and realizes that cost is low.
Embodiment 2
The utility model embodiment provides a kind of access device, as shown in Figure 2, the difference of the equipment of this equipment and embodiment 1 is, it also comprises: satellite signal receiver 25, be used for the time of reception synchronizing signal, then IP clock server 11 is by these satellite signal receiver 25 acquisition time synchronizing signals.
Further, satellite signal receiver 25 can become one with IP clock server 11, further reduces equipment volume and reduces installation difficulty.
The utility model embodiment is by IP clock server generation time synchronization packets, and the time synchronized packet that business data packet and the IP clock server of access point transmission equipment transmission produces sent to little base station by same interface, thereby can realize simultaneously synchronizing function and transfer function, effectively reduce little base station wiring quantity and difficulty.And owing to the IP clock server is integrated in the access device, and access device is connected between access point transmission equipment and the little base station, so do not need existing access point transmission equipment is reconfigured, is easy to realization and realizes that cost is low.In addition, signal receiver acquisition time synchronizing signal via satellite, accuracy is high and cost is low.
Embodiment 3
The utility model embodiment provides a kind of access device, and as shown in Figure 3, the difference of the equipment of this equipment and embodiment 2 is, it also comprises:
Power over Ethernet module 36, being used for by transport module 12 is the power supply of little base station.This Power over Ethernet module 36 is electrically connected with transport module 12.
Particularly, in the ordinary course of things, 4 terminals in the RJ45 interface are data transfer terminal, other 4 terminal free time; Power over Ethernet can be transmitted power supply by 4 vacant terminals (or part of 4 vacant terminals) in the RJ45 interface, thereby realizes simultaneously transfer of data and function of supplying power by the RJ45 interface.
Alternatively, this equipment comprises that also the 3rd interface 37, the three interfaces 37 are used for being connected with the access device of subordinate, with the time synchronized Packet Generation of the business data packet that will receive from first interface 13 and 11 generations of the IP clock server access device to subordinate.In a limited number of situations of the second interface of and access device more at little base station number, can link to each other with another access device by the 3rd interface, thereby increase the quantity of the second interface, connect more little base station.
Particularly, the 3rd interface 37 can be that optical interface can be electrical interface also, includes but not limited to Ethernet interface, GPON interface, RJ45 interface etc.
The utility model embodiment is by IP clock server generation time synchronization packets, and the time synchronized packet that business data packet and the IP clock server of access point transmission equipment transmission produces sent to little base station by same interface, thereby can realize simultaneously synchronizing function and transfer function, effectively reduce little base station wiring quantity and difficulty.And owing to the IP clock server is integrated in the access device, and access device is connected between access point transmission equipment and the little base station, so do not need existing access point transmission equipment is reconfigured, is easy to realization and realizes that cost is low.In addition, because the present embodiment adopts the Power over Ethernet module for power supply, so can realize simultaneously data-transformation facility, time synchronized function and function of supplying power by the cable that the second interface connects, realize the unification of three lines, further save installation cost.
Embodiment 4
The utility model embodiment provides a kind of access device, and as shown in Figure 4, this equipment comprises IP clock server 41, transport module 42, first interface 43 and the second interface 44.Wherein, first interface 43 is used for being connected with higher level's access device, the business data packet and the time synchronized packet that transmit with the access device that receives the higher level; IP clock server 41 is used for generating new time synchronized packet according to the time synchronized packet of the higher level's who receives access device; The second interface 44 is used for being connected with little base station; The time synchronized Packet Generation that transport module 42 is used for receiving from first interface 43 is to IP clock server 41, and the new time synchronized packet that the business data packet that will receive from first interface 43 and IP clock server 41 generate send to little base station by the second interface 44.Transport module 42 is electrically connected with first interface 43, the second interface 44 and IP clock server 41 respectively.
That is to say, business data packet and time synchronized packet are transferred to the access device of subordinate by higher level's access device, and the equipment of the present embodiment is to be the access device of the subordinate of the access device that is connected with its first interface.The IP clock server 41 of the access device of subordinate adopts BC(Boundary Clock, boundary clock) pattern, carry out time synchronized from port with higher level's access device (access device that namely is connected with first interface) by one, carry out time synchronized by a plurality of master ports and little base station.
Particularly, the transport module 42 of this subordinate is by the access device time of reception synchronization packets from port from the higher level in the second interface 44, and with this time synchronized Packet Generation to IP clock server 41, after IP clock server 41 is processed, send to little base station by the master port in the second interface 44; Simultaneously, transport module 42 also will send to little base station by the second interface from the business data packet that the first coffret 41 is received.In specific implementation, transport module 42 can by resolution data bag packet header, be distinguished business data packet or time synchronized packet.
Alternatively, this equipment also comprises Power over Ethernet module 45, and being used for by the second interface 44 is the power supply of little base station.
Alternatively, this equipment comprises that also the 3rd interface 46, the three interfaces 46 are used for being connected with the access device of subordinate, with the new time synchronized Packet Generation of the business data packet that will receive from first interface 43 and 41 generations of the IP clock server access device to subordinate.
The utility model embodiment is by IP clock server generation time synchronization packets, and the time synchronized packet that business data packet and the IP clock server of access point transmission equipment transmission produces sent to little base station by same interface, thereby can realize simultaneously synchronizing function and transfer function, effectively reduce little base station wiring quantity and difficulty.And owing to the IP clock server is integrated in the access device, and access device is connected between access point transmission equipment and the little base station, so do not need existing access point transmission equipment is reconfigured, is easy to realization and realizes that cost is low.In addition, because the present embodiment adopts the Power over Ethernet module for power supply, so can realize simultaneously data-transformation facility, time synchronized function and function of supplying power by the cable that the second interface connects, realize the unification of three lines, further save installation cost.Moreover, by the access device of the present embodiment, can increase to connect the quantity of the second interface of little base station, to access more little base station.
Embodiment 5
The utility model embodiment provides a kind of connecting system, as shown in Figure 5, this system comprises: access point transmission equipment 51, little base station 52 and access device 53, little base station 52 is connected with access point transmission equipment 52 by this access device 53, and the access device that provides in embodiment 1 or 2 can be provided this access device 53.
In specific implementation, little base station 52 is by the second interface connection of single line cable 52a with corresponding access device 53, and access device 53 provides transfer of data and time synchronized function for little base station 52 simultaneously by cable 52a.In addition, little base station 52 is by cable 52b and externally fed equipment connection.
Need to prove, the number of scheming medium and small base station only is example, and conduct is not to restriction of the present utility model.
The utility model embodiment is by IP clock server generation time synchronization packets, and the time synchronized packet that business data packet and the IP clock server of access point transmission equipment transmission produces sent to little base station by same interface, thereby can realize simultaneously synchronizing function and transfer function, effectively reduce little base station wiring quantity and difficulty.And owing to the IP clock server is integrated in the access device, and access device is connected between access point transmission equipment and the little base station, so do not need existing access point transmission equipment is reconfigured, is easy to realization and realizes that cost is low.
Embodiment 6
The utility model embodiment provides a kind of connecting system, as shown in Figure 6, this system comprises: access point transmission equipment 61, some access device 63a, 63b and several little base stations 62, the equipment that provides among the embodiment 3 can be provided this access device 63, the equipment that provides among the embodiment 4 can be provided this access device 63b, and little base station 62 is connected with access point transmission equipment 61 by corresponding access device 63a, 63b respectively.
Particularly, access device can have a plurality of (among the figure being two), and for access device 63a, access device 63b is the access device of subordinate; For access device 63b, access device 63a is higher level's access device.The 3rd interface of higher level's access device 63a is connected with the first interface of the access device 63b of subordinate.
In specific implementation, little base station 62 is by the second interface connection of single line cable 62a with corresponding access device 63a, 63b, and access device 63a, 63b provide transfer of data, time synchronized and function of supplying power for little base station 62 simultaneously by cable 62a.
Need to prove, the number of scheming medium and small base station and access device only is example, and conduct is not to restriction of the present utility model.
The utility model embodiment is by IP clock server generation time synchronization packets, and the time synchronized packet that business data packet and the IP clock server of access point transmission equipment transmission produces sent to little base station by same interface, thereby can realize simultaneously synchronizing function and transfer function, effectively reduce little base station wiring quantity and difficulty.And owing to the IP clock server is integrated in the access device, and access device is connected between access point transmission equipment and the little base station, so do not need existing access point transmission equipment is reconfigured, is easy to realization and realizes that cost is low.In addition, because the present embodiment adopts the Power over Ethernet module for power supply, so can realize simultaneously data-transformation facility, time synchronized function and function of supplying power by the cable that the second interface connects, realize the unification of three lines, further save installation cost.Moreover, by the access device of the present embodiment, can increase to connect the quantity of the second interface of little base station, to access more little base station.
Need to prove: the access device that above-described embodiment provides is with the access of little base station the time, only the division with above-mentioned each functional module is illustrated, in the practical application, can as required the above-mentioned functions distribution be finished by different functional modules, the internal structure of the equipment of being about to is divided into different functional modules, to finish all or part of function described above.
Above-mentioned the utility model embodiment sequence number does not represent the quality of embodiment just to description.
The all or part of step that one of ordinary skill in the art will appreciate that realization above-described embodiment can be finished by hardware, also can come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims (11)

1. an access device is characterized in that, described equipment comprises:
The IP clock server is used for the acquisition time synchronizing signal, and based on described time synchronizing signal generation time synchronization packets;
First interface is used for being connected with the access point transmission equipment, to receive the business data packet by described access point transmission equipment transmission;
The second interface is used for being connected with little base station;
Transport module, the time synchronized packet that is used for producing from business data packet and the described IP clock server of described first interface reception sends to described little base station by described the second interface.
2. equipment according to claim 1 is characterized in that, described first interface is Ethernet interface or Gigabit-capable Passive Optical Network interface.
3. equipment according to claim 1 is characterized in that, described the second interface is the RJ45 interface.
4. equipment according to claim 1, it is characterized in that, described equipment also comprises the 3rd interface, be used for being connected with the access device of subordinate, the time synchronized Packet Generation that produces with the business data packet that will receive from described first interface and described IP clock server is to the access device of described subordinate.
5. equipment according to claim 1 is characterized in that, described equipment also comprises:
The Power over Ethernet module, being used for by described transport module is described little base station power supply.
6. equipment according to claim 1 is characterized in that, described equipment also comprises:
Satellite signal receiver is used for receiving described time synchronizing signal.
7. equipment according to claim 6 is characterized in that, described satellite signal receiver and described IP clock server become one.
8. an access device is characterized in that, described equipment comprises:
First interface is used for being connected with higher level's access device, the business data packet and the time synchronized packet that transmit with the access device that receives described higher level;
The IP clock server is used for the new time synchronized packet of time synchronized packet generation according to the described higher level's who receives access device;
The second interface is used for being connected with little base station;
Transport module, the time synchronized Packet Generation that is used for receiving from described first interface is to described IP clock server, and the new time synchronized packet that the business data packet that will receive from described first interface and described IP clock server generate send to described little base station by described the second interface.
9. equipment according to claim 8 is characterized in that, described equipment also comprises:
The Power over Ethernet module, being used for by described the second interface is described little base station power supply.
10. equipment according to claim 8, it is characterized in that, described equipment also comprises the 3rd interface, be used for being connected with the access device of subordinate, the new time synchronized Packet Generation that produces with the business data packet that will receive from described first interface and described IP clock server is to the access device of described subordinate.
11. connecting system, it is characterized in that, described system comprises: access point transmission equipment and at least one little base station, it is characterized in that, described system also comprises each described access device such as claim 1-10, and described little base station is connected with described access point transmission equipment by described access device.
CN 201220337853 2012-07-12 2012-07-12 Access device and system Expired - Lifetime CN202679413U (en)

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CN 201220337853 CN202679413U (en) 2012-07-12 2012-07-12 Access device and system

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Application Number Priority Date Filing Date Title
CN 201220337853 CN202679413U (en) 2012-07-12 2012-07-12 Access device and system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014008869A1 (en) * 2012-07-12 2014-01-16 华为技术有限公司 Access device and system, and data sending method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014008869A1 (en) * 2012-07-12 2014-01-16 华为技术有限公司 Access device and system, and data sending method

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