CN103404226A - Method and device for data transmission - Google Patents
Method and device for data transmission Download PDFInfo
- Publication number
- CN103404226A CN103404226A CN2013800007752A CN201380000775A CN103404226A CN 103404226 A CN103404226 A CN 103404226A CN 2013800007752 A CN2013800007752 A CN 2013800007752A CN 201380000775 A CN201380000775 A CN 201380000775A CN 103404226 A CN103404226 A CN 103404226A
- Authority
- CN
- China
- Prior art keywords
- data
- ethernet
- equipment
- ethernet message
- data segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The application relates to the wireless communication technology field, in particular to a method, a system and a device for data transmission, which are used to solve the problems in the prior art that due to the interface protocol limit between an REC and an RE, the communication between the REC and the RE in a wireless base station system can not utilize the existing transmission networking resource, so that the resources can not be saved very well, and the cost is not reduced. The method of the application comprises the steps of transforming the first data sent by a first device in the wireless base station system to a second device in the wireless base station system into a first Ethernet report, sending the first Ethernet report to the second device; and/or receiving the second Ethernet report obtained by transforming the second data sent by the second device to the first device, and transforming the second Ethernet report into the second data. The application can realize the fusion of the wireless base station system and an Ethernet transmission protocol.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of method and apparatus of the transmission of data.
Background technology
Wireless base system comprises BBU(Base Band Unit, Base Band Unit) and RRU(Remote Radio Unit, Remote Radio Unit).Wherein, BBU is also referred to as the REC(radio equipment controller, Radio Euipment Controller), RRU is also referred to as the RE(wireless device, Radio Euipment).RE is connected with REC by optical interface or SFP high-speed cable, and adopt the CPRI(common public radio interface, Common Public Radio Interface) agreement or OBSAI(Open Base Station Architecture alliance, Open Base Station Architecture Initiative) agreement is carried out transfer of data.The connection diagram of prior art employing optical fiber can be referring to Fig. 1.
Transmission network is at development at present, mainly from 1GE(1Gigabit Ethernet, gigabit Ethernet) toward higher 10GE(10Gigabit Ethernet, ten thousand mbit ethernets), 100GE(100GigabitEthernet even, 100,000 mbit ethernets) evolution; Simultaneously, synchronous protocol (such as IEEE(IEEE-USA) 1588 agreements in transmission network) also be widely used.Development except transmission network, base station is also in constantly developing, when utilizing existing transmission group net resource to carry out networking to wireless base system, interface protocol restriction due to interface between existing REC and RE, cause communicating by letter between REC and RE in wireless base system can't utilize existing transmission group net resource, therefore saving resource well, reduce costs.
Summary of the invention
The invention provides a kind of method and apparatus of the transmission of data, in order to solve the interface protocol restriction due to interface between existing REC and RE that exists in prior art, cause communicating by letter between REC and RE in wireless base system can't utilize existing transmission group net resource, therefore saving resource well, the problem that reduces costs.
First aspect, provide a kind of method of the transmission of data, comprising:
Send to the first data transaction of the second equipment in described wireless base system to become the first Ethernet message the first equipment in wireless base system, send described the first Ethernet message to described the second equipment; And/or,
The second Ethernet message that reception sends to the second data transaction of described the first equipment to obtain by described the second equipment, convert described the second Ethernet message to described the second data.
In conjunction with first aspect, in the possible implementation of the first, the first data transaction of receiving is become the first Ethernet message, comprising:
Described the first data are divided at least one data segment;
A data segment in described at least one data segment is packaged into described first an Ethernet message.
, in conjunction with the possible implementation of the first of first aspect, in the possible implementation of the second, describedly a data segment in described at least one data segment be packaged into described first an Ethernet message comprise:
The first synchronizing information of a described data segment and a described data segment is packaged into described first an Ethernet message;
Wherein, described the first synchronizing information is used for representing the position of a described data segment in described the first data.
, in conjunction with the first or the possible implementation of the second of first aspect or first aspect, in the third possible implementation, describedly convert described the second Ethernet message to described the second data and comprise:
Described the second Ethernet message is carried out decapsulation, extract the data segment in described the second Ethernet message;
The described data segment that extracts is formed described the second data.
In conjunction with the third possible implementation of first aspect or first aspect, in the 4th kind of possible implementation, described the second Ethernet message comprises the second synchronizing information, describedly converts described the second Ethernet message to described the second data and comprises:
According to the second synchronizing information in described the second Ethernet message, the data segment that will extract from described the second Ethernet message forms described the second data;
Wherein, described the second synchronizing information is used for the position of data segment corresponding to expression in described the second data.
A kind of in conjunction with in the possible four kinds of possible implementations of implementation to the of the first of first aspect or first aspect, in the 5th kind of possible implementation, the method also comprises:
By at least a clock synchronous that carries out in following manner:
Carry out clock synchronous by the timing reference input of receiving;
If contain timestamp in described the second Ethernet message of receiving, by described timestamp, carry out clock synchronous;
Recover De Sui road clock data code flow according to the Ethernet from receiving, according to described, with the road clock, carry out clock synchronous.
Second aspect, provide a kind of conversion equipment, comprising: ethernet physical layer interface and interface processing module;
Described interface processing module, be used for sending to the first data transaction of the second equipment in described wireless base system to become the first Ethernet message the first equipment of wireless base system, and send to described ethernet physical layer interface; Described ethernet physical layer interface, be used for the first Ethernet message of described interface processing module converts is sent to described the second equipment; And/or,
Described ethernet physical layer interface, be used for receiving the second Ethernet message that sends to the second data transaction of described the first equipment to obtain by described the second equipment, and described the second Ethernet message that will receive sends to described interface processing module; Described interface processing module, described the second Ethernet message from described ethernet physical layer interface that is used for receiving converts described the second data to.
In conjunction with second aspect, in the possible implementation of the first, described interface processing module specifically is used for:
Described the first data are divided at least one data segment; A data segment in described at least one data segment is packaged into described first an Ethernet message.
In conjunction with the possible implementation of the first of second aspect, in the possible implementation of the second, described interface processing module specifically is used for:
The first synchronizing information of a described data segment and a described data segment is packaged into described first an Ethernet message;
Wherein, described the first synchronizing information is used for representing the position of a described data segment in described the first data.
In conjunction with the first or the possible implementation of the second of second aspect or second aspect, in the third possible implementation, described interface processing module specifically is used for:
Described the second Ethernet message is carried out decapsulation, extract the data segment in described the second Ethernet message; The described data segment that extracts is formed described the second data.
In conjunction with the third possible implementation of second aspect or second aspect, in the 4th kind of possible implementation, described interface processing module specifically is used for:
According to the second synchronizing information in described the second Ethernet message, the data segment that will extract from described the second Ethernet message forms described the second data;
Wherein, described the second synchronizing information is used for the position of data segment corresponding to expression in described the second data.
A kind of in conjunction with in the possible four kinds of possible implementations of implementation to the of the first of second aspect or second aspect, in the 5th kind of possible implementation, described equipment also comprises:
Clock module is used at least a clock synchronous that carries out by following manner:
Carry out clock synchronous by the timing reference input of receiving;
If contain timestamp in described the second Ethernet message of receiving, by described timestamp, carry out clock synchronous;
Recover De Sui road clock data code flow according to the Ethernet from receiving, according to described, with the road clock, carry out clock synchronous.
A kind of in conjunction with in the possible five kinds of possible implementations of implementation to the of the first of second aspect or second aspect, in the 6th kind of possible implementation, described conversion equipment is REC or RE.
A kind of in conjunction with in the possible six kinds of possible implementations of implementation to the of the first of second aspect or second aspect, in the 7th kind of possible implementation, described ethernet physical layer interface is a kind of in following physical interface:
Gigabit ethernet interface, 10G Ethernet interface, 40G Ethernet interface and 100G Ethernet interface.
The embodiment of the present invention can realize sending to the first data transaction of the second equipment in described wireless base system to become the first Ethernet message the first equipment in wireless base system; And/or will send to the second Ethernet message that the second data transaction of the first equipment obtains to convert described the second data to by described the second equipment.Because the embodiment of the present invention can be changed between Ethernet message and data, thereby realized the fusion of wireless base system and Ethernet host-host protocol, can also realize between RE and REC adopting Ethernet to carry out transfer of data, reduced costs.
Description of drawings
Fig. 1 is the mapping relations schematic diagram of the embodiment of the present invention and CPRI agreement;
Fig. 2 A is the method flow schematic diagram that embodiment of the present invention data transaction becomes the Ethernet message;
Fig. 2 B is the method flow schematic diagram that embodiment of the present invention Ethernet message converts data to;
Fig. 3 is that the embodiment of the present invention is carried out the schematic diagram that burst is processed;
Fig. 4 is embodiment of the present invention the first conversion equipment structural representation;
Fig. 5 is embodiment of the present invention Ethernet physical connection schematic diagram;
The schematic diagram of clock synchronous when Fig. 6 A is the connection of embodiment of the present invention the first employing Ethernet bearing net;
The schematic diagram of clock synchronous when Fig. 6 B is the connection of embodiment of the present invention the second employing Ethernet bearing net;
Fig. 7 is embodiment of the present invention the first connection diagram;
Fig. 8 is embodiment of the present invention the second connection diagram;
Fig. 9 is embodiment of the present invention the second conversion equipment structural representation.
Embodiment
The embodiment of the present invention can realize sending to the first data transaction of the second equipment in described wireless base system to become the first Ethernet message the first equipment in wireless base system; And/or will send to the second Ethernet message that the second data transaction of the first equipment obtains to convert described the second data to by described the second equipment.Because the embodiment of the present invention can be changed between Ethernet message and data, thereby realized the fusion of wireless base system and Ethernet host-host protocol, can also realize between RE and REC adopting Ethernet to carry out transfer of data, reduced costs.
Take CPRI as example, as shown in Figure 1, in the mapping relations schematic diagram of the embodiment of the present invention and CPRI agreement, the ethernet physical layer of the corresponding embodiment of the present invention of the physical layer of CPRI, be used to equipment that the path of the transmission of data is provided;
Data between REC and RE (comprising chain of command, maintenance panel and user's face etc.) send with the mode of ether network packet, specifically by the Layer(layer) 2 upper strata realizes, comprises network layer, transport layer, application layer etc.;
CPRI synchronously can realize with modes such as synchronous ethernet, IEEE 1588, according to the different methods of synchronization, can realize by the different layers of interface communication, also can be by different layer or a plurality of layers of realizations.Such as for synchronous ethernet, mainly by Ethernet Layer1 and Layer2, realize, concrete, Layer1 is used for realizing recovering clock, and Layer2 is used for transmitting the quality message of synchronous ethernet; For the IEEE1588 mode, its timestamp message can be carried on Layer2 or the upper transmission of Layer3, concrete, can be with Layer2 by MAC(Medium Access Control, the media access control) multicast is broadcasted 1588 messages, also can be with the IP(Internet Protocol of Layer3, Internet protocol) end-to-end mode carries out 1588 messages and sends; If by GPS(Global Positioning Systems, global positioning system) etc. external clock is synchronous, does not just need not realize in the relevant layers by interface.
Preferably, the clock index after synchronous will meet radio open agreement set quota.
As shown in Figure 2 A, embodiment of the present invention data transaction becomes the method for Ethernet message to comprise the following steps:
As shown in Fig. 2 B, the method that embodiment of the present invention Ethernet message converts data to comprises the following steps:
The second Ethernet message that step 210, reception send to the second data transaction of described the first equipment to obtain by described the second equipment;
When carrying out transfer of data, in step 201, described the first data are divided at least one data segment;
A data segment in described at least one data segment is packaged into described first an Ethernet message.
Preferably, this data segment being packaged into an Ethernet message also comprises:
The first synchronizing information of a described data segment and a described data segment is packaged into described first an Ethernet message;
Wherein, described the first synchronizing information is used for representing the position of a described data segment in described the first data.
In force, the data between REC and RC comprise the data such as chain of command, maintenance panel, user's face.Take CPRI as example, wherein chain of command, maintenance panel are based on HDLC(High level Data Link Control, High-Level Data Link Control) or the ETH(Ethernet) message, namely all be based on the message mode transmission, can be level and smooth use the ETH message transmissions; User face data wherein is mainly the IQ(modulation) data, belong to continuous data stream, send after converting the Ethernet message to after burst is processed.
Take CPRI as example to Ethernet, as shown in Figure 3, the embodiment of the present invention is carried out in the schematic diagram of burst processing, when the IQ of user's face adopts the Ethernet message transmissions, need to process through burst, be about to CPRI and go up or represent this section IQ data of the one piece of data on radio open, be packaged into an ETH message, and synchronizing information is carried in this message, can or at the radio open side position, restore IQ data order to guarantee receiver side.
When carrying out the burst processing, can be according to the order of data segment in whole data of each burst, order send each burst (this mode can not carried synchronizing information, is preferably and carries synchronizing information); Also can send burst not according to order.If not according to order, send burst, receiver side will be done certain buffer memory, relies on the synchronizing information of carrying in message and recovers original order.
The synchronizing information here can be corresponding data segment in the position of radio open, can also divide for the data segment of correspondence a serial number.Need to prove, the synchronizing information of the embodiment of the present invention is not limited to above-mentioned dual mode, and other information that can represent the corresponding position of data segment in data can be as the synchronizing information of the embodiment of the present invention.
, for non-IQ data in user face data, do corresponding conversion process according to practical application, then be packaged into the Ethernet message and transmit.
Under the CPRI agreement, the general data transmission is exactly pure time division multiplexing mode (being TDM(Time Division Multiple, time division multiplexing) the over TDM of similar IQ), namely adopt above-mentioned burst to process and get final product; Another kind is exactly the message mode (being PACKAGE over TDM) of similar HDLC/ETH over CPRI, can send based on the ETH message.In fact between CPRI and Ethernet, conversion is equivalent to TDM OVER TDM and PACKAGE OVER TDM(is CPRI) convert TDM OVER PACKAGE to and PACKAGE OVER PACKAGE(is Ethernet).
When carrying out transfer of data, in step 211, described the second Ethernet message is carried out decapsulation, extract the data segment in described the second Ethernet message;
The described data segment that extracts is formed described the second data.
In force, the mode that comprises which data segment in second complete data of how to confirm has a variety of, below enumerates several:
Mode one, preliminary setting data hop count amount.
Carry out decapsulation at the second Ethernet message that will set quantity, after extracting the data segment in the second Ethernet message, the data segment of setting quantity is formed described the second data.
When the second Ethernet message of setting quantity is carried out decapsulation:
Can work as described the second Ethernet message of receiving while reaching default number, respectively decapsulation be carried out in the described second Ethernet message of described default number, extract the data segment in the described second Ethernet message of described default number;
Also can receive second an Ethernet message, just this second Ethernet message be carried out decapsulation, extract the data segment in the second Ethernet message.
Mode two, according to synchronizing information.
According to the second synchronizing information in described the second Ethernet message, the data segment that will extract from described the second Ethernet message forms described the second data;
Wherein, described the second synchronizing information is used for the position of data segment corresponding to expression in described the second data.
Wherein, clock synchronous is divided into Frequency Synchronization and time synchronized.Frequency Synchronization is namely kept the Frequency Synchronization of each point, and they can be arbitrary phases; Time synchronized namely requires the Absolute Time Synchronization between each point.
Preferably, the embodiment of the present invention mode of carrying out clock synchronous includes but not limited at least a in following manner:
Carry out clock synchronous by the timing reference input of receiving;
If contain timestamp in described the second Ethernet message of receiving, by described timestamp, carry out clock synchronous;
Recover De Sui road clock data code flow according to the Ethernet from receiving, carry out clock synchronous.
Wherein, the mode of carrying out clock synchronous by the timing reference input of receiving is many, such as the 1PPS+TOD mode under GPS, by clock server, obtain timing reference input etc.
Can select according to the actual needs to support wherein a kind of; Or a kind of hybrid mode, such as synchronous ethernet (namely recovers De Sui road clock the data code flow according to the Ethernet from receiving, carry out clock synchronous) associating IEEE1588(namely by the Ethernet message that carries timestamp of receiving, carry out clock synchronous) reach Frequency Synchronization by synchronous ethernet like this after, reach time synchronized by the timestamp message that meets the IEEE1588 agreement again, reach simultaneously more excellent timing synchronization performance.
Wherein, in the synchronous ethernet mode, Ethernet need to depend on a higher timing reference input of clock grade and send Ethernet data as the work clock that the reference clock produces Ethernet, such as BITS(Building Integrated Timing Supply Building Integrated Timing (Supply) System) timing reference input of the work clock of synchronous ethernet just can be provided.
In force, BITS can be integrated in the REC side, also can independently become an equipment, can also be integrated in other equipment.
If the REC side synchronously and clock accuracy meet the radio open index, can be with the role of REC as the clock source of clock synchronous, the equipment (comprising RE or other REC etc.) that needs to do clock synchronous in whole ethernet network carries out clock synchronous by the mode such as 1PPS+TOD mode (produced according to local clock by REC this moment), synchronous ethernet, IEEE1588 and REC side.
If the REC side synchronously and clock accuracy meet the radio open index, can be with the role of REC as clock server, the equipment (comprising RE or other REC etc.) that needs to do clock synchronous in whole ethernet network carries out clock synchronous by the modes such as IEEE1588 and REC.
Based on same inventive concept, a kind of conversion equipment also is provided in the embodiment of the present invention, owing to the method for the embodiment of the present invention, having similar principle, so the enforcement of this equipment can, referring to the enforcement of method, repeat part and repeat no more.
As shown in Figure 4, the conversion equipment of the embodiment of the present invention comprises: ethernet physical layer interface 400 and interface processing module 410.
Described interface processing module 410, be used for sending to the first data transaction of the second equipment in described wireless base system to become the first Ethernet message the first equipment of wireless base system, and send to described ethernet physical layer interface 400; Described ethernet physical layer interface 400, be used for the first Ethernet message of described interface processing module 410 conversions is sent to described the second equipment; And/or,
Described ethernet physical layer interface 400, be used for receiving the second Ethernet message that sends to the second data transaction of described the first equipment to obtain by described the second equipment, and described the second Ethernet message that will receive sends to described interface processing module 410; Described interface processing module 410, described the second Ethernet message from described ethernet physical layer interface 400 that is used for receiving converts described the second data to.
Preferably, interface processing module 410 specifically is used for:
Described the first data are divided at least one data segment; A data segment in described at least one data segment is packaged into described first an Ethernet message.
Preferably, interface processing module 410 is packaged into described first an Ethernet message with the first synchronizing information of a described data segment and a described data segment;
Wherein, described the first synchronizing information is used for representing the position of a described data segment in described the first data.
Preferably, interface processing module 410 specifically is used for:
Described the second Ethernet message is carried out decapsulation, extract the data segment in described the second Ethernet message; The described data segment that extracts is formed described the second data.
Preferably, interface processing module 410 specifically is used for:
According to the second synchronizing information in described the second Ethernet message, the data segment that will extract from described the second Ethernet message forms described the second data;
Wherein, described the second synchronizing information is used for the position of data segment corresponding to expression in described the second data.
Preferably, the equipment of the embodiment of the present invention can further include: clock module 420.
Clock module 420, be used for carrying out clock synchronous by the timing reference input of receiving;
If contain timestamp in described the second Ethernet message of receiving, by described timestamp, carry out clock synchronous;
Recover De Sui road clock data code flow according to the Ethernet from receiving, according to described, with the road clock, carry out clock synchronous.
Preferably, the conversion equipment of the embodiment of the present invention is REC or RE.
In force, the ethernet physical layer interface 400 of the embodiment of the present invention can be a kind of in following physical interface:
Gigabit ethernet interface, 10G Ethernet interface; 40G Ethernet interface and 100G Ethernet interface.
Wherein, gigabit ethernet interface comprises the interface of the agreements such as the 1000Base-T regulation of 1000Base-SX, 1000Base-LX based on optical fiber and cable;
The 10G Ethernet interface comprises 10GBASE-X, 10GBASE-R, the 10GBASE-W based on optical fiber and the interface of stipulating based on the agreements such as 10GBASE-T of copper cable;
The 40G Ethernet interface comprises 40GBASE-CR4 based on cable, based on the interface of the agreements such as the 40GBASE-SR4/LR4 regulation of optical fiber;
The 100G Ethernet interface comprises 100GBASE-CR10 based on cable, based on the interface of the agreements such as the 100GBASE-SR10/LR4/ER4 regulation of optical fiber.
In force, the clock module 420 of the embodiment of the present invention, can comprise phase-locked loop pll; VCXO VCXO(contains the voltage-controlled oscillation body device of constant temperature OCXO etc.) or voltage controlled oscillator VCO.Further can also comprise X frequency dividing circuit (optional), reference source selection circuit (optional).Wherein X represents a numerical value, and such as 2 frequency dividing circuits, concrete size need to be determined according to practical situations.
In force, the conversion equipment of the embodiment of the present invention can be placed in REC, is placed in simultaneously RE, specifically can be referring to shown in Fig. 5, Fig. 6 A and Fig. 6 B.
In Fig. 5, it is a kind of obtaining in 1PPS+TOD, IEEE 1588, synchronous ethernet and local clock that the reference clock of clock module can adopt, and wherein connects by the Ethernet physical interface between REC and RE.
In Fig. 6 A, the reference clock of the clock module in REC and RE adopts synchronous ethernet to obtain, and wherein connects by the Ethernet bearing net between REC and RE.The whole Ethernet bearing net of this mode is supported the synchronous ethernet function.
In Fig. 6 B, the reference clock of the clock module in REC adopts local clock to obtain, and REC produces work clock with local clock as timing reference input by the ethernet physical layer interface and sends data code flow to physical layer interface; The Ethernet bearing net recovers De Sui road clock as timing reference input and produces the work clock forwarding and changes data code flow from this data code flow; Recover De Sui road clock the data code flow of conversion equipment according to the Ethernet from receiving, carry out clock synchronous.Wherein connect by the Ethernet bearing net between REC and RE.The whole Ethernet bearing net of this mode is supported the synchronous ethernet function.
As shown in Figure 7, in embodiment of the present invention the first connection diagram, the conversion equipment of the embodiment of the present invention can be integrated in REC and RE equipment, then can directly dock, and perhaps is docked at Ethernet bearing net etc.
In Fig. 7, the RE that is connected with Ethernet and REC contain conversion equipment,, if both sides all are connected with Ethernet, comprise two conversion equipments, such as the RE1 in Fig. 7.
In Fig. 7, with the conversion equipment in RE that Ethernet is connected, have an ethernet physical layer interface to be connected with Ethernet, this RE also can have a plurality of ethernet physical layer interfaces to be connected with Ethernet in force.
In Fig. 7, with the conversion equipment in REC that Ethernet is connected, have two ethernet physical layer interfaces to be connected with Ethernet, this REC also can have one or greater than two ethernet physical layer interfaces, with Ethernet, be connected in force.
As shown in Figure 8, in embodiment of the present invention the second connection diagram, the conversion equipment of the embodiment of the present invention is as a specific installation, and original REC and RE are connected on this equipment by existing CPRI/OBSAI, and then directly docking, perhaps be docked at Ethernet bearing net etc.
In force, on one side can a RE/REC be also the Ethernet physical interface, Yi Bian be the CPRI interface.Conversion equipment can exist at RE/REC simultaneously as an equipment and conversion equipment separately in a scene.
In Fig. 8, the conversion equipment that is connected with Ethernet has two ethernet physical layer interfaces to be connected with Ethernet, and this conversion equipment also can have one or more ethernet physical layer interfaces to be connected with Ethernet in force.
In force, above-mentioned REC and RE just illustrate, the embodiment of the present invention is not limited to REC and RE, but can be applied to carry out with REC and RE the equipment of similar operations, such as RRU and BBU, SM(system module, system module), DU(Digital Unit, data cell), RU (Radio Unit, radio-cell) etc.
As shown in Figure 9, embodiment of the present invention the second conversion equipment comprises;
Data processor 920, be used for sending to the first data transaction of the second equipment in described wireless base system to become the first Ethernet message the first equipment of wireless base system, and send to reflector 910; Described reflector 910, be used for the first Ethernet message of described data processor 920 conversions is sent to described the second equipment; And/or,
Receiver 930, be used for receiving the second Ethernet message that sends to the second data transaction of described the first equipment to obtain by described the second equipment, and described the second Ethernet message that will receive sends to data processor 920; Described data processor 920, described the second Ethernet message from described receiver 930 that is used for receiving converts described the second data to.
Preferably, data processor 920 specifically is used for:
Described the first data are divided at least one data segment; A data segment in described at least one data segment is packaged into described first an Ethernet message.
Preferably, data processor 920 is packaged into described first an Ethernet message with the first synchronizing information of a described data segment and a described data segment;
Wherein, described the first synchronizing information is used for representing the position of a described data segment in described the first data.
Preferably, data processor 920 specifically is used for:
Described the second Ethernet message is carried out decapsulation, extract the data segment in described the second Ethernet message; The described data segment that extracts is formed described the second data.
Preferably, data processor 920 specifically is used for:
According to the second synchronizing information in described the second Ethernet message, the data segment that will extract from described the second Ethernet message forms described the second data;
Wherein, described the second synchronizing information is used for the position of data segment corresponding to expression in described the second data.
Preferably, the equipment of the embodiment of the present invention can further include: clock processor 940.
Clock processor 940, be used for carrying out clock synchronous by the timing reference input of receiving;
If contain timestamp in described the second Ethernet message of receiving, by described timestamp, carry out clock synchronous;
Recover De Sui road clock data code flow according to the Ethernet from receiving, according to described, with the road clock, carry out clock synchronous.
Preferably, the conversion equipment of the embodiment of the present invention is REC or RE.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (14)
1. the method for a transmission of data, is characterized in that, the method comprises:
Send to the first data transaction of the second equipment in described wireless base system to become the first Ethernet message the first equipment in wireless base system, send described the first Ethernet message to described the second equipment; And/or,
The second Ethernet message that reception sends to the second data transaction of described the first equipment to obtain by described the second equipment, convert described the second Ethernet message to described the second data.
2. the method for claim 1, is characterized in that, the first data transaction of receiving is become the first Ethernet message, comprising:
Described the first data are divided at least one data segment;
A data segment in described at least one data segment is packaged into described first an Ethernet message.
3. method as claimed in claim 2, is characterized in that, describedly a data segment in described at least one data segment is packaged into described first an Ethernet message comprises:
The first synchronizing information of a described data segment and a described data segment is packaged into described first an Ethernet message;
Wherein, described the first synchronizing information is used for representing the position of a described data segment in described the first data.
4. described method as arbitrary in claim 1～3, is characterized in that, describedly converts described the second Ethernet message to described the second data and comprise:
Described the second Ethernet message is carried out decapsulation, extract the data segment in described the second Ethernet message;
The described data segment that extracts is formed described the second data.
5. method as claimed in claim 4, is characterized in that, described the second Ethernet message comprises the second synchronizing information, describedly converts described the second Ethernet message to described the second data and comprise:
According to the second synchronizing information in described the second Ethernet message, the data segment that will extract from described the second Ethernet message forms described the second data;
Wherein, described the second synchronizing information is used for the position of data segment corresponding to expression in described the second data.
6. described method as arbitrary in claim 1～5, is characterized in that, the method also comprises:
By at least a clock synchronous that carries out in following manner:
Carry out clock synchronous by the timing reference input of receiving;
If contain timestamp in described the second Ethernet message of receiving, by described timestamp, carry out clock synchronous;
Recover De Sui road clock data code flow according to the Ethernet from receiving, according to described, with the road clock, carry out clock synchronous.
7. a conversion equipment, is characterized in that, this equipment comprises: ethernet physical layer interface and interface processing module;
Described interface processing module, be used for sending to the first data transaction of the second equipment in described wireless base system to become the first Ethernet message the first equipment of wireless base system, and send to described ethernet physical layer interface; Described ethernet physical layer interface, be used for the first Ethernet message of described interface processing module converts is sent to described the second equipment; And/or,
Described ethernet physical layer interface, be used for receiving the second Ethernet message that sends to the second data transaction of described the first equipment to obtain by described the second equipment, and described the second Ethernet message that will receive sends to described interface processing module; Described interface processing module, described the second Ethernet message from described ethernet physical layer interface that is used for receiving converts described the second data to.
8. equipment as claimed in claim 7, is characterized in that, described interface processing module specifically is used for:
Described the first data are divided at least one data segment; A data segment in described at least one data segment is packaged into described first an Ethernet message.
9. equipment as claimed in claim 8, is characterized in that, described interface processing module specifically is used for:
The first synchronizing information of a described data segment and a described data segment is packaged into described first an Ethernet message;
Wherein, described the first synchronizing information is used for representing the position of a described data segment in described the first data.
10. described equipment as arbitrary in claim 7～9, is characterized in that, described interface processing module specifically is used for:
Described the second Ethernet message is carried out decapsulation, extract the data segment in described the second Ethernet message; The described data segment that extracts is formed described the second data.
11. equipment as claimed in claim 10, is characterized in that, described interface processing module specifically is used for:
According to the second synchronizing information in described the second Ethernet message, the data segment that will extract from described the second Ethernet message forms described the second data;
Wherein, described the second synchronizing information is used for the position of data segment corresponding to expression in described the second data.
12. described equipment as arbitrary in claim 7～11, is characterized in that, described equipment also comprises:
Clock module is used at least a clock synchronous that carries out by following manner:
Carry out clock synchronous by the timing reference input of receiving;
If contain timestamp in described the second Ethernet message of receiving, by described timestamp, carry out clock synchronous;
Recover De Sui road clock data code flow according to the Ethernet from receiving, according to described, with the road clock, carry out clock synchronous.
13. described equipment as arbitrary in claim 7～12 is characterized in that described conversion equipment is REC or RE.
14. described equipment as arbitrary in claim 7～13, is characterized in that, described ethernet physical layer interface is a kind of in following physical interface:
Gigabit ethernet interface, 10G Ethernet interface, 40G Ethernet interface and 100G Ethernet interface.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/076944 WO2014194517A1 (en) | 2013-06-07 | 2013-06-07 | Method and device for transmitting data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103404226A true CN103404226A (en) | 2013-11-20 |
Family
ID=49565879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013800007752A Pending CN103404226A (en) | 2013-06-07 | 2013-06-07 | Method and device for data transmission |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103404226A (en) |
| WO (1) | WO2014194517A1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194517A1 (en) * | 2013-06-07 | 2014-12-11 | 华为技术有限公司 | Method and device for transmitting data |
| WO2015131739A1 (en) * | 2014-09-17 | 2015-09-11 | 中兴通讯股份有限公司 | Data exchange method, baseband processing unit, radio frequency remote unit and relay unit |
| WO2015176242A1 (en) * | 2014-05-21 | 2015-11-26 | 华为技术有限公司 | Data transmission method and device, and network system |
| WO2016173265A1 (en) * | 2015-04-27 | 2016-11-03 | 华为技术有限公司 | Time synchronisation method and system and network device |
| CN106230509A (en) * | 2016-08-10 | 2016-12-14 | 武汉虹信通信技术有限责任公司 | A kind of method and system utilizing ten thousand mbit ethernet transmission wireless signals |
| CN106471762A (en) * | 2015-06-16 | 2017-03-01 | 华为技术有限公司 | A kind of signal conversion method, chromacoder and system |
| CN106686763A (en) * | 2016-12-01 | 2017-05-17 | 邦讯技术股份有限公司 | LTE (Long Term Evolution) base station system, cell merging method and cell splitting method |
| WO2017101084A1 (en) * | 2015-12-17 | 2017-06-22 | 华为技术有限公司 | Method and device for protocol conversion |
| KR20170086583A (en) * | 2014-11-20 | 2017-07-26 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Data transmission method, communication device, and communication system |
| CN108616484A (en) * | 2016-12-09 | 2018-10-02 | 华为技术有限公司 | a kind of data transmission method and device |
| CN109997383A (en) * | 2016-12-09 | 2019-07-09 | 华为技术有限公司 | Method for converting protocol and device |
| CN110062437A (en) * | 2018-01-19 | 2019-07-26 | 大唐移动通信设备有限公司 | A kind of radio frequency remote unit RRU quickly accesses method and the base station of base station |
| CN110518934A (en) * | 2019-08-13 | 2019-11-29 | 广州广电计量检测股份有限公司 | A kind of synchronous method of optical transfer network |
| CN113316245A (en) * | 2021-04-30 | 2021-08-27 | 新华三技术有限公司 | Method and device for aligning air interface system frame |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005450A (en) * | 2006-12-15 | 2007-07-25 | 上海华为技术有限公司 | General public radio interface data transmission method and its device and system |
| CN101931454A (en) * | 2009-06-19 | 2010-12-29 | 大唐移动通信设备有限公司 | Ethernet-based radio remote data transmission method |
| WO2011093621A2 (en) * | 2010-01-27 | 2011-08-04 | Samsung Electronics Co., Ltd. | Method for transmitting and receiving ethernet data between digital unit and rf unit and apparatus thereof |
| CN102388594A (en) * | 2011-09-27 | 2012-03-21 | 华为技术有限公司 | Method, device and system for data transmission |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6731649B1 (en) * | 2000-07-26 | 2004-05-04 | Rad Data Communication Ltd. | TDM over IP (IP circuit emulation service) |
| CN103404226A (en) * | 2013-06-07 | 2013-11-20 | 华为技术有限公司 | Method and device for data transmission |
-
2013
- 2013-06-07 CN CN2013800007752A patent/CN103404226A/en active Pending
- 2013-06-07 WO PCT/CN2013/076944 patent/WO2014194517A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005450A (en) * | 2006-12-15 | 2007-07-25 | 上海华为技术有限公司 | General public radio interface data transmission method and its device and system |
| CN101931454A (en) * | 2009-06-19 | 2010-12-29 | 大唐移动通信设备有限公司 | Ethernet-based radio remote data transmission method |
| WO2011093621A2 (en) * | 2010-01-27 | 2011-08-04 | Samsung Electronics Co., Ltd. | Method for transmitting and receiving ethernet data between digital unit and rf unit and apparatus thereof |
| CN102388594A (en) * | 2011-09-27 | 2012-03-21 | 华为技术有限公司 | Method, device and system for data transmission |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194517A1 (en) * | 2013-06-07 | 2014-12-11 | 华为技术有限公司 | Method and device for transmitting data |
| WO2015176242A1 (en) * | 2014-05-21 | 2015-11-26 | 华为技术有限公司 | Data transmission method and device, and network system |
| CN105284184A (en) * | 2014-05-21 | 2016-01-27 | 华为技术有限公司 | Data transmission method and device, and network system |
| CN105284184B (en) * | 2014-05-21 | 2019-06-21 | 华为技术有限公司 | A kind of data transmission method, device and network system |
| EP3139699A4 (en) * | 2014-05-21 | 2017-06-14 | Huawei Technologies Co. Ltd. | Data transmission method and device, and network system |
| US10244524B2 (en) | 2014-05-21 | 2019-03-26 | Huawei Technologies Co., Ltd. | Data transmission method, apparatus, and network system that supports CPRI data corresponding to multiple service flows to be exchanged |
| WO2015131739A1 (en) * | 2014-09-17 | 2015-09-11 | 中兴通讯股份有限公司 | Data exchange method, baseband processing unit, radio frequency remote unit and relay unit |
| KR101988274B1 (en) | 2014-11-20 | 2019-06-12 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Data transmission method, communication device, and communication system |
| KR20170086583A (en) * | 2014-11-20 | 2017-07-26 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Data transmission method, communication device, and communication system |
| EP3214879A4 (en) * | 2014-11-20 | 2017-11-22 | Huawei Technologies Co., Ltd. | Data transmission method, communication device, and communication system |
| WO2016173265A1 (en) * | 2015-04-27 | 2016-11-03 | 华为技术有限公司 | Time synchronisation method and system and network device |
| US10412697B2 (en) | 2015-04-27 | 2019-09-10 | Huawei Technologies Co., Ltd. | Time synchronization method and system, and network device |
| CN106471762B (en) * | 2015-06-16 | 2018-12-07 | 华为技术有限公司 | A kind of signal conversion method, chromacoder and system |
| CN106471762A (en) * | 2015-06-16 | 2017-03-01 | 华为技术有限公司 | A kind of signal conversion method, chromacoder and system |
| KR102118072B1 (en) * | 2015-12-17 | 2020-06-02 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Protocol conversion method and device |
| KR20180022891A (en) * | 2015-12-17 | 2018-03-06 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Protocol conversion method and apparatus |
| CN108370614B (en) * | 2015-12-17 | 2021-07-16 | 华为技术有限公司 | Protocol conversion method and device |
| US10523791B2 (en) | 2015-12-17 | 2019-12-31 | Huawei Technologies Co., Ltd. | Protocol conversion method and apparatus |
| EP3307015A4 (en) * | 2015-12-17 | 2018-08-01 | Huawei Technologies Co., Ltd. | Method and device for protocol conversion |
| CN108370614A (en) * | 2015-12-17 | 2018-08-03 | 华为技术有限公司 | Method for converting protocol and device |
| WO2017101084A1 (en) * | 2015-12-17 | 2017-06-22 | 华为技术有限公司 | Method and device for protocol conversion |
| CN106230509A (en) * | 2016-08-10 | 2016-12-14 | 武汉虹信通信技术有限责任公司 | A kind of method and system utilizing ten thousand mbit ethernet transmission wireless signals |
| CN106686763A (en) * | 2016-12-01 | 2017-05-17 | 邦讯技术股份有限公司 | LTE (Long Term Evolution) base station system, cell merging method and cell splitting method |
| CN106686763B (en) * | 2016-12-01 | 2020-06-09 | 邦讯技术股份有限公司 | LTE base station system and cell merging and splitting method |
| CN109997383B (en) * | 2016-12-09 | 2021-09-07 | 华为技术有限公司 | Protocol conversion method and device |
| CN108616484A (en) * | 2016-12-09 | 2018-10-02 | 华为技术有限公司 | a kind of data transmission method and device |
| CN109997383A (en) * | 2016-12-09 | 2019-07-09 | 华为技术有限公司 | Method for converting protocol and device |
| CN110062437A (en) * | 2018-01-19 | 2019-07-26 | 大唐移动通信设备有限公司 | A kind of radio frequency remote unit RRU quickly accesses method and the base station of base station |
| CN110062437B (en) * | 2018-01-19 | 2020-11-06 | 大唐移动通信设备有限公司 | Method for rapidly accessing RRU (remote radio unit) to base station and base station |
| CN110518934B (en) * | 2019-08-13 | 2021-06-04 | 广州广电计量检测股份有限公司 | Synchronization method of optical transport network |
| CN110518934A (en) * | 2019-08-13 | 2019-11-29 | 广州广电计量检测股份有限公司 | A kind of synchronous method of optical transfer network |
| CN113316245A (en) * | 2021-04-30 | 2021-08-27 | 新华三技术有限公司 | Method and device for aligning air interface system frame |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014194517A1 (en) | 2014-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103404226A (en) | Method and device for data transmission | |
| CN101931454B (en) | Ethernet-based radio remote data transmission | |
| JP4588038B2 (en) | Interface device for connecting master base station and remote radio unit | |
| CN101741853B (en) | Method for synchronizing clock time, line card veneer and network equipment | |
| US8599827B2 (en) | Methods and apparatuses for maintaining synchronization between a radio equipment controller and an item of radio equipment | |
| US7653083B2 (en) | Interface method between remote radio unit and centralized base transceiver station | |
| US7873073B2 (en) | Method and system for synchronous high speed Ethernet GFP mapping over an optical transport network | |
| US20110170476A1 (en) | Communication system using cables carrying ethernet signals | |
| WO2010111963A1 (en) | Time synchronization device, method and system | |
| CN109997383A (en) | Method for converting protocol and device | |
| CN103152118A (en) | Base band unit and remote radio unit data service synchronization method, device and system | |
| CN103138866B (en) | A kind of SFP electricity mouth Apparatus and system of clock synchronous | |
| CN106559210A (en) | A kind of data relay method, device and communication system | |
| US9893826B2 (en) | Method for retaining clock traceability over an asynchronous interface | |
| CN102388594B (en) | Method, device and system for data transmission | |
| US10869222B2 (en) | Data frame transmission method and apparatus for virtual elastic CPRI interface | |
| US8665912B2 (en) | Method and system for transmitting a clock rate on an Ethernet network link and applications thereof | |
| CN102185687B (en) | System and method for realizing clock synchronization among different units | |
| EP3130184A1 (en) | Methods and nodes for transmission of a synchronous data over packet data network | |
| US7929907B2 (en) | Timing recovery scheme for satellite backhaul link | |
| JP2010124457A (en) | Radio communication system, and radio base station apparatus | |
| CN107493600B (en) | Massive MIMO communication device and synchronization method | |
| WO2023207720A1 (en) | Message processing method and apparatus | |
| CN102111231B (en) | Clock frequency synchronization method in STM-N network and equipment and system adopting same | |
| WO2023082087A1 (en) | Control signaling transmission method, communication node, and base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131120 |
|
| RJ01 | Rejection of invention patent application after publication |