CN103368759B - A kind of Ethernet data service signal transmission method and device - Google Patents
A kind of Ethernet data service signal transmission method and device Download PDFInfo
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Abstract
The invention discloses a kind of Ethernet data service signal transmission method and device, including: in adopting the repeater indoor distributed system as relaying, it is determined that whether multi-service expanding element MEU is connected with multi-service remote-end unit MRU；When determining MEU connected MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described first transmission link is gigabit Ethernet data service signal transmission link, and described 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.Adopt the technical scheme that the present invention proposes, it is possible to solving preferably in adopting the repeater indoor distributed system as relaying, the opposite end of MEU also is able to ensure the normal transmission of broadband ethernet data service signal when not connecting MRU.
Description
Technical field
The present invention relates to 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, in order to increase the network signal of mobile communication system in indoor coverage, build indoor distributed system and have become as the emphasis of the network optimization.In the scheme building indoor distributed system, generally adopt repeater as relaying, transmit after the multi-standard mobile communication business data in mobile communication system and other business datums (such as the broadband ethernet data service) signal in indoor distributed system are zoomed out together.
As shown in Figure 1, adopt in the indoor distributed system as relaying of the repeater, including at least one muti-service access unit (MAU, Multi-serviceAccessUnit), at least one multi-service expanding element (MEU, and at least one multi-service remote-end unit (MRU, Multi-serviceRemoteUnit) Multi-serviceExtendUnit).Wherein, due to highly developed about the technology of Ethernet at present, the various standards of Ethernet, agreement, interface are highly developed and general, and support that the physical layer circuit of Ethernet is also highly developed and stable.PHY (physical layer) chip has been completed the physical layer specification in 802.3 specifications so that as long as processor generates an interface module and just can receive Ethernet data, and stablizing very.So being integrated with the technology of Ethernet in MEU.The radiofrequency signal of the multiple types sent from base station that MAU will receive, sends to MEU after conversion process.The radiofrequency signal of multiple types after conversion that MAU is sent by MEU and the Ethernet data service signal received, become through conversion process and send jointly to MRU after specific frame structure, the mixed signal of the multiple data service received out and is respectively sent by MRU according to certain rule parsing, thus realizing multi-service blended data signal in indoor covering.
In the whole indoor distributed system based on repeater as relaying, the experience of broadband ethernet data service is built upon in the matching used situation of MEU and MRU by user, namely a MRU must have with MEU and is connected, when MRU does not support the use with MEU, the experience of broadband ethernet data service cannot normally be realized by user.
But without proposing a kind of method in prior art, solve in adopting the repeater indoor distributed system as relaying, when the opposite end of MEU does not connect MRU, it is also possible to the problem ensureing broadband ethernet data service signal normal transmission.
Summary of the invention
Embodiments provide a kind of Ethernet data service signal transmission method and device, can solving preferably in adopting the repeater indoor distributed system as relaying, the opposite end of MEU also is able to ensure the normal transmission of broadband ethernet data service signal when not connecting MRU.
Embodiment of the present invention technical scheme is as follows:
A kind of Ethernet data service signal transmission method, including: in adopting the repeater indoor distributed system as relaying, it is determined that whether multi-service expanding element MEU is connected with multi-service remote-end unit MRU；When determining MEU connected MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described first transmission link is gigabit Ethernet data service signal transmission link, and described 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.
A kind of Ethernet data service signal transmitting device, comprises determining that unit, in adopting the repeater indoor distributed system as relaying, it is determined that whether multi-service expanding element MEU is connected with multi-service remote-end unit MRU；Switch unit, for when determining that unit determines MEU connected MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described first transmission link is gigabit Ethernet data service signal transmission link, and described second transmission link is 100 m ethernet data service signal transmission link；Transmission unit, transmits Ethernet data service signal for the second transmission link after using switch unit switching.
A kind of Ethernet data service signal transmission method, including: when adopting the repeater indoor distributed system as relaying to be in idle pulley, it is judged that whether one end that multi-service expanding element MEU is connected with multi-service remote-end unit MRU is connected to transmission medium；When judged result is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium；According to the result that the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU is consulted, when determining that the equipment being connected with MEU is MRU, use the first transmission link transmission Ethernet data service signal, when determining that the equipment being connected with MEU is ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said first transmission link is gigabit Ethernet data service signal transmission link, and described second transmission link is 100 m ethernet data service signal transmission link.
A kind of Ethernet data service signal transmitting device, including: judging unit, for when adopting the repeater indoor distributed system as relaying to be in idle pulley, it is judged that whether one end that multi-service expanding element MEU is connected with multi-service remote-end unit MRU is connected to transmission medium；Control unit, for when judging unit judged result is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium；Transmission unit, for the result consulted according to the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU, when determining that the equipment being connected with MEU is MRU, use the first transmission link transmission Ethernet data service signal, when determining that the equipment being connected with MEU is ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said first transmission link is gigabit Ethernet data service signal transmission link, and described second transmission link is 100 m ethernet data service signal transmission link.
Adopt the first technical scheme above-mentioned, in adopting the repeater indoor distributed system as relaying, when MEU is not connected 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 transmission Ethernet data service signal of the 100 m ethernet data service signal transmission link after switching, it is thus possible to solve preferably in adopting the repeater indoor distributed system as relaying, the opposite end of MEU also is able to ensure the normal transmission of broadband ethernet data service signal when not connecting MRU.
Adopt above-mentioned the second technical scheme, when adopting the repeater indoor distributed system as relaying to be in idle pulley, first determine whether whether MEU and MRU one end being connected is connected to transmission medium, if there being transmission medium, then control the PHY1 chip in MEU and the PHY2 chip in associated devices is held consultation, then according to negotiation result, when determining that MEU connects MRU, gigabit Ethernet data service signal transmission link is used to transmit Ethernet data service signal, otherwise, when determining that MEU is connected with ethernet device, 100 m ethernet data service signal transmission link is used to transmit Ethernet data service signal, it is thus possible to solve preferably in adopting the repeater indoor distributed system as relaying, the opposite end of MEU also is able to ensure the normal transmission of broadband ethernet data service signal when not connecting MRU.
Accompanying drawing explanation
Fig. 1 is in prior art, it is proposed to adopt repeater as relaying indoor distributed system structure composition diagram；
Fig. 2 is in the embodiment of the present invention one, it is proposed to MEU structure composition diagram；
Fig. 3 a is in the embodiment of the present invention two, it is proposed to downlink in, Ethernet data service signal transmission method flow chart；
Fig. 3 b is in the embodiment of the present invention two, it is proposed to up-link in, Ethernet data service signal transmission method flow chart；
Fig. 4 is in the embodiment of the present invention three, it is proposed to Ethernet data service signal transmitting device structure chart；
Fig. 5 is in the embodiment of the present invention four, it is proposed to Ethernet data service signal transmission method flow chart；
Fig. 6 is in the embodiment of the present invention five, it is proposed to Ethernet data service signal transmitting device structure chart.
Detailed description of the invention
Adopting repeater as in the indoor distributed system relayed for what prior art existed, when the opposite end of MEU does not connect MRU, it is impossible to ensure that broadband ethernet data service signal normal transmission, thus the problem that have impact on the broadband experience of user, the embodiment of the present invention proposes a kind of technical scheme here, in adopting the repeater indoor distributed system as relaying, determine when the opposite end of MEU does not connect MRU, the transmission link of Ethernet data service signal is switched over process, it is switched to 100 m ethernet data service signal transmission link from gigabit Ethernet data service signal transmission link originally, the transmission link after switching is used to continue transmission Ethernet data service signal.And time under system is in idle pulley, it also is able to determine the link that Ethernet data service signal should transmit accurately, it is thus possible to solve preferably in adopting the repeater indoor distributed system as relaying, it also is able to when the opposite end of MEU does not connect MRU ensure the normal transmission of broadband ethernet data service signal to enable the broadband experience of user normally to realize.
Below in conjunction with each accompanying drawing, the main of embodiment of the present invention technical scheme is realized principle, detailed description of the invention and the beneficial effect that should be able to reach is set forth in.
Embodiment one
The embodiment of the present invention one proposes a kind of Ethernet data service signal transmission system here, concrete framework is referred to shown in Fig. 1, this system architecture includes 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 downlink, and the embodiment of the present invention one illustrates for its disposal ability being provided simultaneously with uplink downlink here.
Based on this system architecture, in the downlink:
MAU, for receiving the identical standard at least one road or the radiofrequency signal of different systems that base station sends, and the radiofrequency signal of the identical standard at least one road received or different systems is transformed into after digital baseband signal by the some transmission medium between MAU and MEU to MEU.
Wherein, the transmission medium between MAU and base station can be, but not limited to be coaxial cable or optical fiber etc., for transmitting the radiofrequency signal received from base station, and is digitized the downstream signal received processing.Such as, MAU can from the radiofrequency signal of the different communication standards such as base stations couple 2G, 3G and LTE.
MEU, its hardware configuration composition is concrete as shown in Figure 2, including at least two PHY chip, two PHY chip form two Ethernet data service signal transmission links therein, transmit the broadband ethernet data service signal sent from the MAU digital baseband signal received and/or ethernet device.Wherein, article one, transmission link is the first transmission link, i.e. gigabit Ethernet data service signal transmission link, for when determining that MEU and MRU is connected (such as the 2# region shown in Fig. 1), receive MAU send radiofrequency signal is processed after digital baseband signal, and receive the broadband ethernet data service signal that ethernet device sends, and by the digital baseband signal received and broadband ethernet data service signal merging treatment, framing is carried out by self-defining frame structure, and adopt this self-defining frame structure, communicated with MRU by the first transmission link.Another transmission link is the second transmission link, i.e. 100 m ethernet data service signal transmission link, for when determining that MEU does not have to be connected with MRU (such as 3# and the 1# region shown in Fig. 1), the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, then uses the second transmission link after switching to transmit corresponding Ethernet data service signal.
Wherein, as shown in Figure 2, article two, transmission link, all have to through PHY2 chip inside MEU, that is, PHY2 chip within MEU is provided simultaneously with the transfer function of gigabit Ethernet data service signal and the transfer function of 100 m ethernet data service signal, so need not to adopting the repeater hardware configuration as the indoor distributed system of relaying to make change, it is possible to save engineering cost preferably.
Wherein, can in the first transmission link (gigabit Ethernet data service signal transmission link), obtain the state of current transmission Ethernet data service signal in real time, then the state according to the transmission Ethernet data service signal obtained, judge whether this first transmission link is in synchronous regime, when judged result is no, it is determined that MEU is not connected with MRU, when judged result is for being, it is determined that MEU and MRU is connected.
Specifically, can in preset duration, determine whether can stably obtain the Ethernet data service signal with particular frame structure, obtain the Ethernet data service signal with particular frame structure if able to stable on the first transmission link, then judge that described first transmission link is in synchronous regime.
Wherein, due to system in an initial condition (namely system is in idle pulley), data service signal is not had to transmit, so over the whole system after electricity, MEU needs to judge whether the one end being connected with MRU is connected to transmission medium, when judged result is for being, the PHY1 chip controlled in MEU is held consultation with the PHY2 chip comprised in the equipment being connected with MEU by transmission medium, according to the result that the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU is consulted, when determining that the equipment being connected with MEU is MRU, use the first transmission link transmission Ethernet data service signal, when determining that the equipment being connected with MEU is ethernet device, use the second transmission link transmission Ethernet data service signal.
Wherein, can be, but not limited between MEU and MAU adopt optical fiber as transmission medium, be transferred through the radiofrequency signal of digitized processing.Between MEU and ethernet device, it is possible to but be not limited to adopt category-5 cable, CAT5E UTP cable or six class line etc. as transmission medium to transmit Ethernet data service signal.Specifically, ethernet device can be the equipment supporting 100,000,000 transmission or gigabit transmission, such as switch, router, passive optical-fiber network (PON, PassiveOpticalNetwork) optical node (ONU, OpticalNetworkUnit) etc..
MRU, in the entire system, it is possible to be connected with MEU, it is also possible to be not connected with MEU.MRU and MEU is complete occur time, MRU is for receiving the transmission signal based on ethernet frame structural bearing of the some transmission medium by transmitting Ethernet data service signal, and the transmission signal received is carried out dissection process, obtain the digital baseband signal and broadband ethernet data service signal that wherein carry, then the digital baseband signal of acquisition is transformed into the radiofrequency signal of the identical standard at least one road or different systems, and the radiofrequency signal converting the identical standard at least one road or the different systems obtained is sent respectively to rf terminal, and (rf terminal is the terminal unit supporting radiofrequency signal transmission-receiving function, including hands machine, this grade of getting online without being tethered to a cable equipment), and the broadband ethernet data service signal of acquisition is sent to ethernet terminal (such as being carried out the equipment such as the PC surfed the Net by wired mode) based on ethernet frame format carrying.
Wherein, between MRU and MEU, it is possible to but be not limited to adopt CAT5E UTP cable (netting twine) as transmission medium.
In the uplink:
MRU, MRU and MEU is complete occur time, namely when MRU and MEU connects (2# region as shown in Figure 1), the radiofrequency signal of the MRU identical standard at least one road or different systems for receiving rf terminal transmission, and receive the broadband ethernet data service signal that ethernet terminal sends, and the radiofrequency signal of the identical standard at least one road received or different systems is transformed into digital baseband signal, the digital baseband signal that conversion is obtained and the broadband ethernet data service signal merging treatment received, form the transmission signal based on ethernet frame structural bearing, by the transmission signal formed by the some transmission medium of Ethernet data service signal can be transmitted to MEU.
MEU, when MEU is directly connected with MRU, receive MRU by the transmission signal based on ethernet frame structural bearing of the some transmission medium of Ethernet data service signal can be transmitted, the transmission signal received is carried out dissection process, obtain the digital baseband signal and Ethernet data service signal that wherein carry, the digital baseband signal obtained is transmitted to MAU, and the Ethernet data service signal of acquisition is sent to ethernet device based on ethernet frame format carrying.When MEU and MRU does not connect, and when being only connected with ethernet device (such as 3# and the 1# region shown in Fig. 1), the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, then the second transmission link transmission Ethernet data service signal after switching is used, for example, it is possible to the data service signal received from ethernet terminal uses the second transmission link transmit to ethernet device.
MAU, for receiving the digital baseband signal of MEU transmission, and is transformed into the digital baseband signal received the radiofrequency signal of the identical standard at least one road or different systems, then the radiofrequency signal after conversion is sent respectively to one or more base station.
Adopt the Ethernet data service signal transmission system that the embodiment of the present invention one proposes here, it is suitably applied in the hot zones such as building intensity, communication network can either be met cover on a large scale, also be able to making jumbo data adopt repeater as the transmission in the indoor distributed system of relaying, support networking mode flexibly simultaneously, realize communication network to cover accurately in indoor, and be easy to engineering construction.When MEU is not connected with MRU, Ethernet data service signal can be switched to from gigabit Ethernet data service signal transmission link and 100 m ethernet data service signal transmission link continues transmission, ensure the interrupted transmission of broadband ethernet data service signal, thus ensureing that the broadband experience of user can normally realize, enhance the compatibility of system simultaneously.
Embodiment two
Based on the Ethernet data service signal transmission system that above-described embodiment one proposes, the embodiment of the present invention two proposes a kind of Ethernet data service signal transmission method here, and as shown in Figure 3 a, its concrete handling process is as follows:
It should be noted that, due in adopting the repeater indoor distributed system as relaying, PHY1 chip in MEU has gigabit Ethernet data service signal transfer function, and also possess the transfer function of 100 m ethernet data service signal, and the PHY class chip comprised in ethernet device, only possesses the transfer function of 100 m ethernet data service signal, and in an initial condition (when powering at the beginning of system), system does not have data service signal transmit, so now system is in idle pulley, when system is in idle pulley, can first determine whether whether MEU and MRU one end being connected is connected to transmission medium, when judged result is for being, the PHY1 chip controlled in MEU is held consultation with the PHY2 chip in the equipment being connected with MEU by transmission medium.Then the result consulted according to the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU, determine whether the equipment being connected with MEU is MRU, when determining that the equipment being connected with MEU is MRU, use the first transmission link transmission Ethernet data service signal, when determining that the equipment being connected with MEU is ethernet device, use the second transmission link transmission Ethernet data service signal.
The embodiment of the present invention two is here, after system electrification, to use the first transmission link to transmit Ethernet service data signal, to elaborate the transmission method of Ethernet data service signal.
In the downlink:
Step 31, in adopting the repeater indoor distributed system as relaying, after the Ethernet data service signal that MEU receives the MAU digital baseband signal sent and broadband ethernet equipment is sent, it is necessary to judge whether to connect MRU.If it is judged that be yes, then perform step 32, if it is judged that be no, perform step 33.
Wherein, in adopting the repeater indoor distributed system as relaying, MEU generally occurs in pairs with MRU, namely MEU is connected to MRU, now the data service signal in system (the broadband ethernet business datum signal that digital baseband signal and ethernet device are sent) is after treatment, use the first transmission link transmission, i.e. gigabit Ethernet data service signal transmission link.But, under certain conditions, MRU can disconnect with MEU, and namely MEU is not connected with MRU, so MEU is it needs to be determined that whether MEU is connected with MRU.
Specifically, in the first transmission link, it is possible to obtain the state of the Ethernet data service signal currently transmitted, the then state according to the transmission Ethernet data service signal obtained, it is judged that whether this first transmission link is in synchronous regime.If it is judged that be no, it is determined that MEU is not connected with MRU, if it is judged that during for being, it is determined that MEU and MRU is connected.Wherein, MEU and MRU is connected, it is possible to but be not limited to directly be connected with MRU, MEU can also both be connected with MRU, is connected with ethernet terminal/equipment again.
Specifically, above-described embodiment one is set forth, under system normal operating condition (MEU is connected to MEU), MEU can by the digital baseband signal received and Ethernet service data signal, through merging treatment, framing is carried out by self-defining frame structure, then the signal after 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 preset duration, if able to acquisition stable on the first transmission link has the Ethernet data service signal of particular frame structure, then judge that this first transmission link is in synchronous regime, otherwise, then judge that this first transmission link is not at synchronous regime.
Step 32, when judging that MEU connects MRU, MEU is by the digital baseband signal received from MAU and Ethernet service data signal, through merging treatment, framing is carried out by self-defining frame structure, and by self-defining frame structure, still adopt the first transmission link (gigabit Ethernet data service signal transmission link) and MRU to communicate.
Step 33, when determining MEU connected MRU, then needs to switch over transmission link.
It is specially and transmission link is switched to the second transmission link from the first transmission link, switch to 100 m ethernet data service signal transmission link by transmission link from gigabit Ethernet data service signal transmission link.
Step 34, uses the second transmission link transmission Ethernet data service signal after switching.
Correspondingly, as shown in Figure 3 b, in the uplink:
Step 35, MEU receives Ethernet data service signal.
Step 36, according to the Ethernet data service signal received, it is judged that whether MEU is connected with MRU, if it is judged that be yes, then performs step 37, if it is judged that be no, performs step 38.
It should be noted that, PHY1 chip in MEU is provided simultaneously with the first transmission link and the function of the second transmission link, so, can according to the Ethernet data service signal received, judge whether MEU is connected with MRU, concrete judge process elaborates in above-mentioned steps 31, repeats no more here.
Step 37, when judging that MEU connects MRU, use the first transmission link, by the Ethernet data service signal that receives through dissection process, obtain digital baseband signal and broadband ethernet data service signal, then the digital baseband signal obtained is transmitted to MAU, transmit resolving the broadband ethernet data service signal obtained to ethernet device.
Step 38, when judging that MEU is not connected with MRU, uses the second transmission link, transmits the Ethernet data service signal obtained to ethernet device.
Adopt the Ethernet data service signal transmission method that the embodiment of the present invention two proposes here, similarly suitable it is applied in the hot zones such as building are intensive, communication network can either be met cover on a large scale, also be able to making jumbo data adopt repeater as the transmission in the indoor distributed system of relaying, support networking mode flexibly simultaneously, realize the accurate covering of indoor signal, and be easy to engineering construction.When MEU is not connected with MRU, Ethernet data service signal can be switched to from gigabit Ethernet data service signal transmission link and 100 m ethernet data service signal transmission link continues transmission, ensure the interrupted transmission of broadband ethernet data service signal, thus ensureing that the broadband experience of user can normally realize, enhance the compatibility of system simultaneously.
Embodiment three
Correspondingly, on the basis of above-described embodiment two, the embodiment of the present invention three proposes a kind of Ethernet data service signal transmitting device here, and its structure forms as shown in Figure 4, including:
Determine unit 401, in adopting the repeater indoor distributed system as relaying, it is determined that whether multi-service expanding element MEU is connected with multi-service remote-end unit MRU.
Specifically, above-mentioned determine unit 401, specifically in described first transmission link, it is thus achieved that the state of current transmission Ethernet data service signal；State according to the transmission Ethernet data service signal obtained, it is judged that whether described first transmission link is in synchronous regime；When judged result is no, it is determined that MEU is not connected with MRU；When judged result is for being, it is determined that MEU and MRU is connected.
Specifically, above-mentioned determine unit 401, specifically in preset duration, if it is possible to stable on the first transmission link obtain the Ethernet data service signal with particular frame structure, then judge that described first transmission link is in synchronous regime.
Switch unit 402, for when determining that unit 401 determines MEU connected MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described first transmission link is gigabit Ethernet data service signal transmission link, and described second transmission link is 100 m ethernet data service signal transmission link.
Transmission unit 403, transmits Ethernet data service signal for the second transmission link after using switch unit 402 switching.
Wherein, above-mentioned Ethernet data service signal transmitting device, also include:
Judging unit 404, for when described system is in idle pulley, it is judged that whether one end that MEU and MRU is connected is connected to transmission medium；
Control unit 405, for when judging unit 404 judged result is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium；
Above-mentioned transmission unit 403, it is additionally operable to the result consulted according to the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU, when determining that the equipment being connected with MEU is MRU, use the first transmission link transmission Ethernet data service signal, when determining that the equipment being connected with MEU is 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 present invention five proposes a kind of Ethernet data service signal transmission method here, as it is shown in figure 5, concrete processing procedure is as follows:
Step 51, when adopting the repeater indoor distributed system as relaying to be in idle pulley, it is judged that whether one end that MEU and MRU is connected is connected to transmission medium.If it is judged that be yes, then perform step 52, if it is judged that be no, be then back to idle pulley.
Step 52, when judged result is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium.According to negotiation result, perform step 53 or step 55 respectively.
Step 53, according to the result that the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU is consulted, when determining that the equipment being connected with MEU is MRU, using the first transmission link transmission Ethernet data service signal, namely system adopts gigabit Ethernet data service signal transmission link to transmit Ethernet data service signal.
Step 54, in the first transmission link, it is thus achieved that the state of the Ethernet data service signal currently transmitted, the state according to the transmission Ethernet data service signal obtained, it is judged that whether this first transmission link is in synchronous regime.If it is judged that be no, it is determined that MEU is not connected with MRU, it is necessary to perform step 55, if it is judged that during for being, it is determined that MEU and MRU is connected, still uses the first transmission link to transmit Ethernet data service signal.
Wherein, system, when using the first transmission link to transmit Ethernet data service signal, also can connect whether MRU side is connected to transmission medium by real-time judge MEU, and when detecting that MEU connection MRU side does not connect transmission medium, system jumps to idle pulley.
Specifically, when system uses the first transmission link transmission Ethernet data service signal, MEU can by the digital baseband signal received and Ethernet service data signal, through merging treatment, framing is carried out by self-defining frame structure, then the signal after 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 preset duration, if able to acquisition stable on the first transmission link has the Ethernet data service signal of particular frame structure, then judge that this first transmission link is in synchronous regime, otherwise, then judge that this first transmission link is not at synchronous regime.
Step 55, when determining that the equipment being connected with MEU is ethernet device, uses the second transmission link transmission Ethernet data service signal, and namely system adopts 100 m ethernet data service signal transmission link to transmit Ethernet data service signal.
Wherein, when using the second transmission link transmission Ethernet data service signal, also connecting whether MRU side is connected to transmission medium by real-time judge MEU, when detecting that MEU connection MRU side does not connect any transmission medium, system jumps to idle pulley.
Embodiment five
Correspondingly, based on said method embodiment four, the embodiment of the present invention five proposes a kind of Ethernet data service signal transmitting device here, and its structure composition can be shown in Figure 6, including:
Judging unit 601, for when adopting the repeater indoor distributed system as relaying to be in idle pulley, it is judged that whether one end that MEU and MRU is connected is connected to transmission medium.
Control unit 602, for when judging unit 601 judged result is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium.
Transmission unit 603, for the result consulted according to the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU, when determining that the equipment being connected with MEU is MRU, use the first transmission link transmission Ethernet data service signal, when determining that the equipment being connected with MEU is ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said first transmission link is gigabit Ethernet data service signal transmission link, and described second transmission link is 100 m ethernet data service signal transmission link.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an Ethernet data service signal transmission method, it is characterised in that including:
In adopting the repeater indoor distributed system as relaying, it is determined that whether multi-service expanding element MEU is connected with multi-service remote-end unit MRU；
When determining MEU connected MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described first transmission link is gigabit Ethernet data service signal transmission link, and described 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. the method for claim 1, it is characterised in that before determining that whether MEU is connected with MRU, also include:
When described system is in idle pulley, it is judged that whether one end that MEU and MRU is connected is connected to transmission medium；
When judged result is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium；
According to the result that the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU is consulted, when determining that the equipment being connected with MEU is MRU, the first transmission link is used to transmit Ethernet data service signal.
3. the method for claim 1, it is characterised in that determine whether MEU is connected with MRU, including:
In described first transmission link, it is thus achieved that the state of current transmission Ethernet data service signal；
State according to the transmission Ethernet data service signal obtained, it is judged that whether described first transmission link is in synchronous regime；
When judged result is no, it is determined that MEU is not connected with MRU；
When judged result is for being, it is determined that MEU and MRU is connected.
4. method as claimed in claim 3, it is characterised in that the state according to the transmission Ethernet data service signal obtained, it is judged that whether described first transmission link is in synchronous regime, including:
In preset duration, if it is possible on the first transmission link, stable acquisition has the Ethernet data service signal of particular frame structure, then judge that described first transmission link is in synchronous regime.
5. an Ethernet data service signal transmission method, it is characterised in that including:
When adopting the repeater indoor distributed system as relaying to be in idle pulley, it is judged that whether one end that multi-service expanding element MEU is connected with multi-service remote-end unit MRU is connected to transmission medium；
When judged result is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium；
According to the result that the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU is consulted, when determining that the equipment being connected with MEU is MRU, use the first transmission link transmission Ethernet data service signal, when determining that the equipment being connected with MEU is ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said first transmission link is gigabit Ethernet data service signal transmission link, and described second transmission link is 100 m ethernet data service signal transmission link.
6. an Ethernet data service signal transmitting device, it is characterised in that including:
Determine unit, in adopting the repeater indoor distributed system as relaying, it is determined that whether multi-service expanding element MEU is connected with multi-service remote-end unit MRU；
Switch unit, for when determining that unit determines MEU connected MRU, the transmission link of Ethernet data service signal is switched to the second transmission link from the first transmission link, described first transmission link is gigabit Ethernet data service signal transmission link, and described second transmission link is 100 m ethernet data service signal transmission link；
Transmission unit, transmits Ethernet data service signal for the second transmission link after using switch unit switching.
7. device as claimed in claim 6, it is characterised in that also include:
Judging unit, for when described system is in idle pulley, it is judged that whether one end that MEU and MRU is connected is connected to transmission medium；
Control unit, for when the judged result of judging unit is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium；
Described transmission unit, is additionally operable to the result consulted according to the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU, when determining that the equipment being connected with MEU is MRU, uses the first transmission link to transmit Ethernet data service signal.
8. device as claimed in claim 6, it is characterised in that described determine unit, specifically in described first transmission link, it is thus achieved that the state of current transmission Ethernet data service signal；State according to the transmission Ethernet data service signal obtained, it is judged that whether described first transmission link is in synchronous regime；When judged result is no, it is determined that MEU is not connected with MRU；When judged result is for being, it is determined that MEU and MRU is connected.
9. device as claimed in claim 8, it is characterized in that, described determine unit, specifically in preset duration, obtain the Ethernet data service signal with particular frame structure if able to stable on the first transmission link, then judge that described first transmission link is in synchronous regime.
10. an Ethernet data service signal transmitting device, it is characterised in that including:
Judging unit, for when adopting the repeater indoor distributed system as relaying to be in idle pulley, it is judged that whether one end that multi-service expanding element MEU is connected with multi-service remote-end unit MRU is connected to transmission medium；
Control unit, for when judging unit judged result is for being, the first physical layer PHY1 chip controlled in MEU is held consultation with the second physical layer PHY2 chip in the equipment being connected with MEU by transmission medium；
Transmission unit, for the result consulted according to the PHY2 chip in the PHY1 chip in MEU and the equipment that is connected with MEU, when determining that the equipment being connected with MEU is MRU, use the first transmission link transmission Ethernet data service signal, when determining that the equipment being connected with MEU is ethernet device, use the second transmission link transmission Ethernet data service signal, wherein said first transmission link is gigabit Ethernet data service signal transmission link, and described second transmission link is 100 m ethernet data service signal transmission link.
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| CN201210091723.8A CN103368759B (en) | 2012-03-30 | 2012-03-30 | A kind of Ethernet data service signal transmission method and device |
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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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