CN103368759A - Method and device for transmitting Ethernet data service signals - Google Patents
Method and device for transmitting Ethernet data service signals Download PDFInfo
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- CN103368759A CN103368759A CN2012100917238A CN201210091723A CN103368759A CN 103368759 A CN103368759 A CN 103368759A CN 2012100917238 A CN2012100917238 A CN 2012100917238A CN 201210091723 A CN201210091723 A CN 201210091723A CN 103368759 A CN103368759 A CN 103368759A
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Abstract
The invention discloses a method and a device for transmitting Ethernet data service signals. The method comprises the steps of determining whether a multi-service access unit (MAU) is connected with a multi-service remote unit (MRU) or not in an indoor distributed system adopting a repeater as a relay; switching the transmission link of the Ethernet data service data from a first transmission link to a second transmission link when the MEU is determined not to be connected with the MRU, wherein the first transmission link is a gigabit Ethernet data service signal transmission link, and the second transmission link is a 100M Ethernet data service signal transmission link; and transmitting the Ethernet data service signals by using the switched second transmission link. The technical solution provided by the invention can better solve a problem that normal transmission of the broadband Ethernet data service signals can also be ensured when the opposite end of the MEU is not connected to the MRU in the indoor distributed system adopting the repeater as a relay.
Description
Technical field
The present invention relates to the Repeater Technology field, especially relate to a kind of Ethernet data service signal transmission method and device.
Background technology
Along with the fast development of mobile communication technology, for the network signal that increases mobile communication system in indoor coverage, build the emphasis that indoor distributed system has become the network optimization.In the scheme of building indoor distributed system, usually adopt the repeater as relaying, the multi-modulation scheme mobile communication business data in the mobile communication system and other business datums in the indoor distributed system (such as the broadband ethernet data service) signal are zoomed out rear transmission together.
As shown in Figure 1, adopt in the indoor distributed system of repeater as relaying, comprise at least one muti-service access unit (MAU, Multi-service Access Unit), at least one multi-service expanding element (MEU, Multi-service Extend Unit) and at least one multi-service remote-end unit (MRU, Multi-service Remote Unit).Wherein, because at present very ripe about the technology of Ethernet, the various standards of Ethernet, agreement, interface are very ripe and general, and support that the physical layer circuit of Ethernet is also very ripe and stable.PHY (physical layer) chip has been finished the physical layer specification in 802.3 standards, so that processor just can receive Ethernet data as long as generate an interface module, and stablizing very.So integrated technology of Ethernet in MEU.The radiofrequency signal of the multiple types of sending from the base station that MAU will receive is sent to MEU through after the conversion process.MEU with MAU send through the radiofrequency signal of the multiple types after the conversion and the Ethernet data service signal that receives, after becoming specific frame structure, the process conversion process sends to together MRU, MRU out and respectively sends the mixed signal of the several data business that receives according to certain rule parsing, thereby realizes that multi-service blended data signal is in indoor covering.
Whole based on the indoor distributed system of repeater as relaying in, the user is to be based upon in MEU and the matching used situation of MRU to the experience of broadband ethernet data service, namely a MRU must have with MEU and is connected, when MRU did not support the use with MEU, the user just can not normally realize the experience of broadband ethernet data service.
Also do not propose a kind of method in the prior art, solve in adopting the indoor distributed system of repeater as relaying, when not connecting MRU in the opposite end of MEU, can guarantee the problem of broadband ethernet data service signal normal transmission yet.
Summary of the invention
The embodiment of the invention provides a kind of Ethernet data service signal transmission method and device, can solve preferably in adopting the indoor distributed system of repeater as relaying, also can guarantee the normal transmission of broadband ethernet data service signal when the opposite end of MEU does not connect MRU.
Embodiment of the invention technical scheme is as follows:
A kind of Ethernet data service signal transmission method comprises: in adopting the indoor distributed system of repeater as relaying, determine whether multi-service expanding element MEU links to each other with multi-service remote-end unit MRU; When determining MEU and link to each other MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described the first transmission link is gigabit Ethernet data service signal transmission link, and described the second transmission link is 100 m ethernet data service signal transmission link; And use the second transmission link after switching to transmit the Ethernet data service signal.
A kind of Ethernet data service signal transmitting device comprises: determining unit is used for determining at the indoor distributed system that adopts the repeater as relaying whether multi-service expanding element MEU links to each other with multi-service remote-end unit MRU; Switch unit, be used for when determining unit is determined MEU and linked to each other MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described the first transmission link is gigabit Ethernet data service signal transmission link, and described the second transmission link is 100 m ethernet data service signal transmission link; Transmission unit is used for using the second transmission link transmission Ethernet data service signal after switch unit switches.
A kind of Ethernet data service signal transmission method comprises: when the indoor distributed system that adopts the repeater as relaying is in idle pulley, judge whether multi-service expanding element MEU is connected with transmission medium with the end that multi-service remote-end unit MRU links to each other; In judged result when being, the first physical layer PHY1 chip among the control MEU with hold consultation with the second physical layer PHY2 chip in the equipment that MEU links to each other by transmission medium; According to the PHY1 chip among the MEU with equipment that MEU links to each other in the result that consults of PHY2 chip, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said the first transmission link is gigabit Ethernet data service signal transmission link, and described the second transmission link is 100 m ethernet data service signal transmission link.
A kind of Ethernet data service signal transmitting device, comprise: judging unit, be used for when the indoor distributed system that adopts the repeater as relaying is in idle pulley, judging whether multi-service expanding element MEU is connected with transmission medium with the end that multi-service remote-end unit MRU links to each other; Control unit is used in the judgment unit judges result when being, control among the MEU the first physical layer PHY1 chip with hold consultation with the second physical layer PHY2 chip in the equipment that MEU links to each other by transmission medium; Transmission unit, be used for according to the PHY1 chip of MEU with equipment that MEU links to each other in the result of PHY2 chip negotiation, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said the first transmission link is gigabit Ethernet data service signal transmission link, and described the second transmission link is 100 m ethernet data service signal transmission link.
Adopt above-mentioned the first technical scheme, in adopting the indoor distributed system of repeater as relaying, when MEU does not link to each other MRU, the transmission link of Ethernet data service signal is switched to 100 m ethernet data service signal transmission link from gigabit Ethernet data service signal transmission link, and use the 100 m ethernet data service signal transmission link after switching to transmit the Ethernet data service signal, thereby can solve preferably in adopting the indoor distributed system of repeater as relaying, also can guarantee the normal transmission of broadband ethernet data service signal when the opposite end of MEU does not connect MRU.
Adopt above-mentioned the second technical scheme, when the indoor distributed system that adopts the repeater as relaying is in idle pulley, judge at first whether the end that MEU links to each other with MRU is connected with transmission medium, if transmission medium is arranged, then controlling PHY1 chip among the MEU and the PHY2 chip in the associated devices holds consultation, then according to negotiation result, when determining MEU connection MRU, transmit the Ethernet data service signal with gigabit Ethernet data service signal transmission link, otherwise, when determining MEU and be connected with ethernet device, transmit the Ethernet data service signal with 100 m ethernet data service signal transmission link, thereby can solve preferably in adopting the indoor distributed system of repeater as relaying, also can guarantee the normal transmission of broadband ethernet data service signal when the opposite end of MEU does not connect MRU.
Description of drawings
Fig. 1 is in the prior art, and the employing repeater of proposition is as the indoor distributed system structure composition diagram of relaying;
Fig. 2 is in the embodiment of the invention one, the MEU structure composition diagram of proposition;
Fig. 3 a is in the embodiment of the invention two, in the down link of proposition, and Ethernet data service signal transmission method flow chart;
Fig. 3 b is in the embodiment of the invention two, in the up link of proposition, and Ethernet data service signal transmission method flow chart;
Fig. 4 is in the embodiment of the invention three, the Ethernet data service signal transmitting device structure chart of proposition;
Fig. 5 is in the embodiment of the invention four, the Ethernet data service signal transmission method flow chart of proposition;
Fig. 6 is in the embodiment of the invention five, the Ethernet data service signal transmitting device structure chart of proposition.
Embodiment
For exist in the prior art in adopting the indoor distributed system of repeater as relaying, when the opposite end of MEU does not connect MRU, can not guarantee broadband ethernet data service signal normal transmission, thereby the problem that the broadband that has affected the user is experienced, the embodiment of the invention proposes a kind of technical scheme here, in adopting the indoor distributed system of repeater as relaying, when the opposite end of determining MEU does not connect MRU, the transmission link of Ethernet data service signal is carried out hand-off process, switch to 100 m ethernet data service signal transmission link from gigabit Ethernet data service signal transmission link originally, continue to transmit the Ethernet data service signal with the transmission link after switching.And be in idle pulley lower time in system, also can determine accurately the link that the Ethernet data service signal should transmit, thereby can solve preferably in adopting the indoor distributed system of repeater as relaying, when the opposite end of MEU does not connect MRU, also can guarantee the normal transmission of broadband ethernet data service signal, make user's broadband experience and normally to realize.
At length set forth to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
Embodiment one
The embodiment of the invention one proposes a kind of Ethernet data service signal transmission system here, concrete framework can be with reference to shown in Figure 1, this system architecture comprises at least one MAU, at least one MEU and/or at least one MRU, whole system can possess the disposal ability of up link and/or down link, and the embodiment of the invention one describes as an example of its disposal ability that possesses simultaneously uplink downlink example here.
Based on this system architecture, in down link:
MAU, be used for to receive the identical standard at least one road that the base station sends or the radiofrequency signal of different systems, and the radiofrequency signal of the identical standard at least one road that will receive or different systems is transformed into behind the digital baseband signal by the some transmission medium between MAU and the MEU to MEU.
Wherein, the transmission medium between MAU and the base station can but to be not limited to be coaxial cable or optical fiber etc., be used for the radiofrequency signal that transmission receives from the base station, and the downstream signal that receives carried out digitized processing.For example, the MAU radiofrequency signal of the different communication standards such as 2G, 3G and LTE that can be coupled from the base station.
MEU, its hardware configuration forms specifically as shown in Figure 2, comprise at least two PHY chips, two PHY chips within it section form two Ethernet data service signal transmission links, transmit the broadband ethernet data service signal that the digital baseband signal that receives from MAU and/or ethernet device are sent.Wherein, article one, transmission link is the first transmission link, it is gigabit Ethernet data service signal transmission link, be used for when determining MEU and link to each other with MRU (for example 2# shown in Figure 1 is regional), receive the digital baseband signal after MAU sends radiofrequency signal is processed, and the broadband ethernet data service signal of reception ethernet device transmission, and with the digital baseband signal and the broadband ethernet data service signal merging processing that receive, carry out framing by self-defining frame structure, and adopt this self-defining frame structure, communicate by the first transmission link and MRU.Another transmission link is the second transmission link, it is 100 m ethernet data service signal transmission link, be used for when determining MEU and not have to link to each other with MRU (for example 3# shown in Figure 1 and 1# are regional), the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, then use the second transmission link after switching to transmit corresponding Ethernet data service signal.
Wherein, as shown in Figure 2, article two, transmission link, all must pass through the PHY2 chip in MEU inside, that is to say, the PHY2 chip of MEU inside possesses the transfer function of gigabit Ethernet data service signal and the transfer function of 100 m ethernet data service signal simultaneously, does not need like this can save preferably engineering cost to adopting the repeater to make change as the hardware configuration of the indoor distributed system of relaying.
Wherein, can be in the first transmission link (gigabit Ethernet data service signal transmission link), obtain in real time the state of current transmission Ethernet data service signal, then according to the state of the transmission Ethernet data service signal that obtains, judge whether this first transmission link is in synchronous regime, when the determination result is NO, determine that MEU does not link to each other with MRU, when being, determine that MEU links to each other with MRU in judged result.
Particularly, can be in default duration, determine whether to stablize the Ethernet data service signal that acquisition has the particular frame structure, if can stablize the Ethernet data service signal that acquisition has the particular frame structure at the first transmission link, judge that then described the first transmission link is in synchronous regime.
Wherein, because system's (being that system is in idle pulley) under initial condition, there is not the transmission of data service signal, so after whole system powers on, MEU need to judge whether an end that links to each other with MRU is connected with transmission medium, in judged result when being, the PHY1 chip of control among the MEU with hold consultation by the PHY2 chip that comprises in transmission medium and the equipment that MEU links to each other, according to the PHY1 chip among the MEU with equipment that MEU links to each other in the result that consults of PHY2 chip, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal.
Wherein, between MEU and the MAU can but be not limited to adopt optical fiber as transmission medium, transmit the radiofrequency signal through digitized processing.Between MEU and the ethernet device, can but be not limited to adopt category-5 cable, CAT5E UTP cable or six class lines etc. to transmit the Ethernet data service signal as transmission medium.Particularly, ethernet device can be the equipment of supporting 100,000,000 transmission or gigabit transmission, optical node (ONU, Optical Network Unit) of switch, router, passive optical-fiber network (PON, Passive Optical Network) etc. for example.
MRU in whole system, can be connected with MEU, also can not be connected with MEU.At MRU and MEU is complete when occurring, MRU is used for receiving the signal transmission based on the ethernet frame structural bearing by the some transmission medium that can transmit the Ethernet data service signal, and the signal transmission that receives carried out dissection process, obtain digital baseband signal and the broadband ethernet data service signal of wherein carrying, then the digital baseband signal that obtains is transformed into the radiofrequency signal of the identical standard at least one road or different systems, and the radiofrequency signal of the identical standard at least one road that conversion is obtained or different systems sends to respectively rf terminal, and (rf terminal is the terminal equipment of supporting the radiofrequency signal transmission-receiving function, comprise mobile phone, this grade of getting online without being tethered to a cable equipment), and with the broadband ethernet data service signal that obtains carrying sends to ethernet terminal (such as the equipment such as PC for surfing the Net by wired mode) based on ethernet frame format.
Wherein, between MRU and the MEU, can but be not limited to adopt CAT5E UTP cable (netting twine) as transmission medium.
In up link:
MRU, at MRU and MEU is complete when occurring, be that MRU is when being connected with MEU (2# zone as shown in Figure 1), MRU is used for the identical standard at least one road of received RF terminal transmission or the radiofrequency signal of different systems, and the broadband ethernet data service signal of reception ethernet terminal transmission, and the identical standard at least one road that will receive or the radiofrequency signal of different systems are transformed into digital baseband signal, the conversion digital baseband signal that obtains and the broadband ethernet data service signal that receives are merged processing, formation is based on the signal transmission of ethernet frame structural bearing, with the signal transmission that the forms some transmission medium by can transmitting the Ethernet data service signal to MEU.
MEU, when MEU directly is connected with MRU, receive the signal transmission based on the ethernet frame structural bearing of the some transmission medium of MRU by can transmitting the Ethernet data service signal, the signal transmission that receives is carried out dissection process, obtain digital baseband signal and the Ethernet data service signal of wherein carrying, the digital baseband signal that obtains is transferred to MAU, and carrying sends to ethernet device based on ethernet frame format with the Ethernet data service signal that obtains.When MEU is not connected with MRU, and when only linking to each other with ethernet device (for example 3# shown in Figure 1 and 1# zone), the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, then use the second transmission link transmission Ethernet data service signal after switching, for example, the data service signal that receives from ethernet terminal can be used the second transmission link transfer to ethernet device.
MAU is used for receiving the digital baseband signal of MEU transmission, and the digital baseband signal that receives is transformed into the radiofrequency signal of the identical standard at least one road or different systems, then the radiofrequency signal after the conversion is sent to respectively one or more base stations.
The Ethernet data service signal transmission system that adopts the embodiment of the invention one to propose here, be fit to be applied in the intensive hot zones that waits of building, can either satisfy communication network cover on a large scale, also can be so that jumbo data adopting the repeater as the transmission in the indoor distributed system of relaying, support simultaneously flexibly networking mode, realize communication network in indoor accurate covering, and be convenient to engineering construction.When MEU is not connected with MRU, the Ethernet data service signal can be switched to 100 m ethernet data service signal transmission link from gigabit Ethernet data service signal transmission link and continue transmission, guarantee the interrupted transmission of broadband ethernet data service signal, thereby the broadband that guarantees the user is experienced and can normally be realized, has strengthened simultaneously the compatibility of system.
Embodiment two
Based on the Ethernet data service signal transmission system that above-described embodiment one proposes, the embodiment of the invention two proposes a kind of Ethernet data service signal transmission method here, and shown in Fig. 3 a, its concrete handling process is as follows:
Need to prove, because in adopting the indoor distributed system of repeater as relaying, PHY1 chip among the MEU has gigabit Ethernet data service signal transfer functions, and the transfer function that also possesses 100 m ethernet data service signal, and the PHY class chip that in ethernet device, comprises, the transfer function that only possesses 100 m ethernet data service signal, and under initial condition (when system just powers on), there is not the transmission of data service signal in the system, so this moment, system was in idle pulley, when system is in idle pulley, can judge at first whether the end that MEU links to each other with MRU is connected with transmission medium, in judged result when being, the PHY1 chip among the control MEU with hold consultation with the PHY2 chip in the equipment that MEU links to each other by transmission medium.Then according to the PHY1 chip among the MEU with equipment that MEU links to each other in the result that consults of PHY2 chip, determine whether MRU of the equipment link to each other with MEU, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal.
After the embodiment of the invention two powered on system here, transmitting the Ethernet service data-signal with the first transmission link was example, elaborates the transmission method of Ethernet data service signal.
In down link:
Wherein, in adopting the indoor distributed system of repeater as relaying, MEU usually and MRU occur in pairs, be that MEU is connected with MRU, data service signal (the broadband ethernet business datum signal that digital baseband signal and ethernet device are sent) in the system after treatment at this moment, use the transmission of the first transmission link, i.e. gigabit Ethernet data service signal transmission link.Whether but under certain conditions, MRU can disconnect with MEU, and namely MEU does not link to each other with MRU, link to each other with MRU so MEU need to determine MEU.
Particularly, in the first transmission link, can obtain the state of the current Ethernet data service signal that is transmitting, then according to the state of the transmission Ethernet data service signal that obtains, judge whether this first transmission link is in synchronous regime.If the determination result is NO, determine that MEU does not link to each other with MRU, if judged result when being, determines that MEU links to each other with MRU.Wherein, MEU links to each other with MRU, can but to be not limited to be directly to link to each other with MRU, MEU also can both link to each other with MRU, linked to each other with ethernet terminal/equipment again.
Particularly, set forth in above-described embodiment one, under system's normal operating condition (MEU is connected with MEU), MEU can be with digital baseband signal and the Ethernet service data-signal that receives, process through merging, carry out framing by self-defining frame structure, then the signal behind the framing is transmitted by the first transmission link, based on this, when judging whether the first transmission link is in synchronous regime, can be in the following way: in default duration, if Ethernet data service signal that can stable acquisition has the particular frame structure on the first transmission link, judge that then this first transmission link is in synchronous regime, otherwise, judge that then this first transmission link is not in synchronous regime.
Be specially transmission link is switched to the second transmission link from the first transmission link, be about to transmission link and switch to 100 m ethernet data service signal transmission link from gigabit Ethernet data service signal transmission link.
Correspondingly, shown in Fig. 3 b, in up link:
Need to prove, PHY1 chip among the MEU possesses the function of the first transmission link and the second transmission link simultaneously, so, can be according to the Ethernet data service signal that receives, judge whether MEU links to each other with MRU, concrete deterministic process elaborates in above-mentioned steps 31, repeats no more here.
The Ethernet data service signal transmission method that adopts the embodiment of the invention two to propose here, be fit to equally be applied in the intensive hot zones that waits of building, can either satisfy communication network cover on a large scale, also can be so that jumbo data adopting the repeater as the transmission in the indoor distributed system of relaying, support simultaneously flexibly networking mode, realize the accurate covering of indoor signal, and be convenient to engineering construction.When MEU is not connected with MRU, the Ethernet data service signal can be switched to 100 m ethernet data service signal transmission link from gigabit Ethernet data service signal transmission link and continue transmission, guarantee the interrupted transmission of broadband ethernet data service signal, thereby the broadband that guarantees the user is experienced and can normally be realized, has strengthened simultaneously the compatibility of system.
Embodiment three
Correspondingly, on the basis of above-described embodiment two, the embodiment of the invention three proposes a kind of Ethernet data service signal transmitting device here, and its structure forms as shown in Figure 4, comprising:
Determining unit 401 is used for determining at the indoor distributed system that adopts the repeater as relaying whether multi-service expanding element MEU links to each other with multi-service remote-end unit MRU.
Particularly, above-mentioned determining unit 401, obtains the state of current transmission Ethernet data service signal at concrete being used at described the first transmission link; According to the state of the transmission Ethernet data service signal that obtains, judge whether described the first transmission link is in synchronous regime; When the determination result is NO, determine that MEU does not link to each other with MRU; When being, determine that MEU links to each other with MRU in judged result.
Particularly, above-mentioned determining unit 401, if can stablize the Ethernet data service signal that acquisition has the particular frame structure at the first transmission link, judges that then described the first transmission link is in synchronous regime at concrete being used in default duration.
Wherein, above-mentioned Ethernet data service signal transmitting device also comprises:
Judging unit 404 when being used for being in idle pulley in described system, judges whether the end that MEU links to each other with MRU is connected with transmission medium;
Above-mentioned transmission unit 403, also be used for according to the PHY1 chip of MEU with equipment that MEU links to each other in the result of PHY2 chip negotiation, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal.
Embodiment four
Correspondingly, based on the Ethernet data service signal transmission system that above-described embodiment one proposes, the embodiment of the invention five proposes a kind of Ethernet data service signal transmission method here, and as shown in Figure 5, concrete processing procedure is as follows:
Step 51 when the indoor distributed system that adopts the repeater as relaying is in idle pulley, judges whether the end that MEU links to each other with MRU is connected with transmission medium.If judged result is yes, then execution in step 52, if the determination result is NO, then are back to idle pulley.
Step 52, in judged result when being, the first physical layer PHY1 chip among the control MEU with hold consultation with the second physical layer PHY2 chip in the equipment that MEU links to each other by transmission medium.According to negotiation result, difference execution in step 53 or step 55.
Step 53, according to the PHY1 chip among the MEU with equipment that MEU links to each other in the result that consults of PHY2 chip, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, namely system adopts gigabit Ethernet data service signal transmission link to transmit the Ethernet data service signal.
Step 54 in the first transmission link, obtains the state of the current Ethernet data service signal that is transmitting, and according to the state of the transmission Ethernet data service signal that obtains, judges whether this first transmission link is in synchronous regime.If the determination result is NO, determine that MEU does not link to each other with MRU, need execution in step 55, if judged result when being, determines that MEU links to each other with MRU, still transmits the Ethernet data service signal with the first transmission link.
Wherein, system also can real-time judge MEU connects the MRU side and whether be connected with transmission medium when transmitting the Ethernet data service signal with the first transmission link, and when detecting MEU and connect the MRU side and do not connect transmission medium, system jumps to idle pulley.
Particularly, when system uses the first transmission link transmission Ethernet data service signal, MEU can be with digital baseband signal and the Ethernet service data-signal that receives, process through merging, carry out framing by self-defining frame structure, then the signal behind the framing is transmitted by the first transmission link, based on this, when judging whether the first transmission link is in synchronous regime, can be in the following way: in default duration, if Ethernet data service signal that can stable acquisition has the particular frame structure on the first transmission link, judge that then this first transmission link is in synchronous regime, otherwise, judge that then this first transmission link is not in synchronous regime.
Step 55 when determining the equipment that links to each other with MEU and be ethernet device, is used the second transmission link transmission Ethernet data service signal, and namely system adopts 100 m ethernet data service signal transmission link to transmit the Ethernet data service signal.
Wherein, when using the second transmission link transmission Ethernet data service signal, also can real-time judge MEU connect the MRU side and whether be connected with transmission medium, when detecting MEU and connect the MRU side and do not connect any transmission medium, system jumps to idle pulley.
Embodiment five
Correspondingly, based on said method embodiment four, the embodiment of the invention five proposes a kind of Ethernet data service signal transmitting device here, and its structure forms and can referring to shown in Figure 6, comprise:
Judging unit 601 is used for judging whether the end that MEU links to each other with MRU is connected with transmission medium when the indoor distributed system that adopts the repeater as relaying is in idle pulley.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. an Ethernet data service signal transmission method is characterized in that, comprising:
In adopting the indoor distributed system of repeater as relaying, determine whether multi-service expanding element MEU links to each other with multi-service remote-end unit MRU;
When determining MEU and link to each other MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described the first transmission link is gigabit Ethernet data service signal transmission link, and described the second transmission link is 100 m ethernet data service signal transmission link; And
Use the second transmission link transmission Ethernet data service signal after switching.
2. whether the method for claim 1 is characterized in that,, also comprise with before MRU links to each other at definite MEU:
When described system is in idle pulley, judge whether the end that MEU links to each other with MRU is connected with transmission medium;
In judged result when being, the first physical layer PHY1 chip among the control MEU with hold consultation with the second physical layer PHY2 chip in the equipment that MEU links to each other by transmission medium;
According to the PHY1 chip among the MEU with equipment that MEU links to each other in the result that consults of PHY2 chip, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal.
3. the method for claim 1 is characterized in that, determines that whether MEU links to each other with MRU, comprising:
In described the first transmission link, obtain the state of current transmission Ethernet data service signal;
According to the state of the transmission Ethernet data service signal that obtains, judge whether described the first transmission link is in synchronous regime;
When the determination result is NO, determine that MEU does not link to each other with MRU;
When being, determine that MEU links to each other with MRU in judged result.
4. method as claimed in claim 3 is characterized in that, according to the state of the transmission Ethernet data service signal that obtains, judges that whether described the first transmission link is in synchronous regime, comprising:
In default duration, if can stablize the Ethernet data service signal that acquisition has the particular frame structure at the first transmission link, judge that then described the first transmission link is in synchronous regime.
5. an Ethernet data service signal transmission method is characterized in that, comprising:
When the indoor distributed system that adopts the repeater as relaying is in idle pulley, judge whether multi-service expanding element MEU is connected with transmission medium with the end that multi-service remote-end unit MRU links to each other;
In judged result when being, the first physical layer PHY1 chip among the control MEU with hold consultation with the second physical layer PHY2 chip in the equipment that MEU links to each other by transmission medium;
According to the PHY1 chip among the MEU with equipment that MEU links to each other in the result that consults of PHY2 chip, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said the first transmission link is gigabit Ethernet data service signal transmission link, and described the second transmission link is 100 m ethernet data service signal transmission link.
6. an Ethernet data service signal transmitting device is characterized in that, comprising:
Determining unit is used for determining at the indoor distributed system that adopts the repeater as relaying whether multi-service expanding element MEU links to each other with multi-service remote-end unit MRU;
Switch unit, be used for when determining unit is determined MEU and linked to each other MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described the first transmission link is gigabit Ethernet data service signal transmission link, and described the second transmission link is 100 m ethernet data service signal transmission link;
Transmission unit is used for using the second transmission link transmission Ethernet data service signal after switch unit switches.
7. device as claimed in claim 6 is characterized in that, also comprises:
Judging unit when being used for being in idle pulley in described system, judges whether the end that MEU links to each other with MRU is connected with transmission medium;
Control unit is used in the judged result of judging unit when being, control among the MEU the first physical layer PHY1 chip with hold consultation with the second physical layer PHY2 chip in the equipment that MEU links to each other by transmission medium;
Described transmission unit, also be used for according to the PHY1 chip of MEU with equipment that MEU links to each other in the result of PHY2 chip negotiation, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal.
8. device as claimed in claim 6 is characterized in that, described determining unit, obtains the state of current transmission Ethernet data service signal at concrete being used at described the first transmission link; According to the state of the transmission Ethernet data service signal that obtains, judge whether described the first transmission link is in synchronous regime; When the determination result is NO, determine that MEU does not link to each other with MRU; When being, determine that MEU links to each other with MRU in judged result.
9. device as claimed in claim 8, it is characterized in that described determining unit, concrete being used in default duration, if can stablize the Ethernet data service signal that acquisition has the particular frame structure at the first transmission link, judge that then described the first transmission link is in synchronous regime.
10. an Ethernet data service signal transmitting device is characterized in that, comprising:
Judging unit is used for judging whether multi-service expanding element MEU is connected with transmission medium with the end that multi-service remote-end unit MRU links to each other when the indoor distributed system that adopts the repeater as relaying is in idle pulley;
Control unit is used in the judgment unit judges result when being, control among the MEU the first physical layer PHY1 chip with hold consultation with the second physical layer PHY2 chip in the equipment that MEU links to each other by transmission medium;
Transmission unit, be used for according to the PHY1 chip of MEU with equipment that MEU links to each other in the result of PHY2 chip negotiation, when determining the equipment that links to each other with MEU and be MRU, use the first transmission link transmission Ethernet data service signal, when determining the equipment that links to each other with MEU and be ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said the first transmission link is gigabit Ethernet data service signal transmission link, and described the second transmission link is 100 m ethernet data service signal transmission link.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107222279A (en) * | 2017-05-05 | 2017-09-29 | 京信通信技术(广州)有限公司 | Ethernet service guard method and system in distributed system |
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| CN101106422A (en) * | 2007-08-02 | 2008-01-16 | 重庆重邮信科（集团）股份有限公司 | Terminal synchronization method and device for TD-SCDMA system repeater |
| CN101882953A (en) * | 2010-07-19 | 2010-11-10 | 京信通信系统（中国）有限公司 | Baseband signal processing device and method of multiple-mold communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101106422A (en) * | 2007-08-02 | 2008-01-16 | 重庆重邮信科（集团）股份有限公司 | Terminal synchronization method and device for TD-SCDMA system repeater |
| CN101882953A (en) * | 2010-07-19 | 2010-11-10 | 京信通信系统（中国）有限公司 | Baseband signal processing device and method of multiple-mold communication system |
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| CN107222279A (en) * | 2017-05-05 | 2017-09-29 | 京信通信技术(广州)有限公司 | Ethernet service guard method and system in distributed system |
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Address after: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangdong Province Patentee before: Comba Telecom System (China) Ltd. |