CN102104455B - Remote-end multiple input multiple output method, distributing cabinet and system - Google Patents
Remote-end multiple input multiple output method, distributing cabinet and system Download PDFInfo
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- CN102104455B CN102104455B CN 201110053348 CN201110053348A CN102104455B CN 102104455 B CN102104455 B CN 102104455B CN 201110053348 CN201110053348 CN 201110053348 CN 201110053348 A CN201110053348 A CN 201110053348A CN 102104455 B CN102104455 B CN 102104455B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2863—Arrangements for combining access network resources elements, e.g. channel bonding
- H04L12/2867—Physical combinations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2863—Arrangements for combining access network resources elements, e.g. channel bonding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The embodiment of the invention provides a remote-end multiple input multiple output method, a distributing cabinet and a remote-end multiple input multiple output system, which relate to the field of communication and can reduce the influence of practical wiring on the performance of a multiple input multiple output (MIMO) technology. The remote-end multiple input multiple output method comprises the following steps of: transmitting data by adopting a digital subscriber line (DSL) technology in a main line network comprising a plurality of twisted pairs; distributing the plurality of twistedpairs in the main line network to each subscriber when approaching to the subscribers; and transmitting the data by executing the MIMO technology in a line network from line distributing points to the subscribers. The embodiment of the invention is used for the realization of the remote-end MIMO technology.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of far-end multiple-input multiple-output method, coupling box and system.
Background technology
Along with the swift and violent popularization of high speed development and the multimedia service of internet, the demand of the network bandwidth is increasing.In the broadband access field, though development trend is " light advances copper and moves back ", there is a large amount of twisted-pair feeders in existing gauze, and the gauze laying that optical fiber is registered one's residence also needs one section long process.Therefore DSL (Digital Subscriber Line, Digital Subscriber Line) technology will be one of broadband access technology of main flow for a comparatively long period of time.
In order to improve the transmission bandwidth of DSL technology, the standard of ITU-T is from ADSL (Asymmetric Digital Subscriber Line, ADSL (Asymmetric Digital Subscriber Line)) 8Mbps (descending), develop into 55Mbps, the 100Mbps of VDSL2 of 24Mbps, the VDSL (Very High Speed DigitalSubscriber Line, Very-high-speed Digital Subscriber Line) of ADSL2+.
In the part countries and regions, the twisted-pair feeder that is linked into user's family generally has two.Normal conditions are that a twisted-pair feeder is used for the transmission data, and another root twisted-pair feeder is used for backuping.Under this scene, operator can utilize the DSL binding technology, these two twisted-pair feeders is used simultaneously, for the user provides speed close to original twice.MIMO (Multiple InputMultiple Output, multiple-input and multiple-output) technology on this basis, use virtual mode between two twisted-pair feeders, to produce an extra channel, provide to be three times in single speed to line, so user's the highest speed that obtains 300M on two twisted-pair feeders.
Twisted-pair feeder in the existing gauze much is that the switching room from operator comes out, and is connected to each residential quarter by the trunk gauze, is connected in each concrete user family through behind the coupling box again.Present MIMO technology is just to produce virtual extra channel in backbone network switch room, namely namely implements the MIMO technology in the trunk gauze, and coupling box is then directly the twisted-pair feeder on the backbone and the twisted-pair feeder short circuit in the user family, as shown in Figure 1.
The MIMO technology is to utilize the common-mode signal of two twisted-pair feeders to constitute a pair of differential signal, therefore requires these two twisted-pair feeders geographically adjacent, in order to resist outside interference and noise effectively.But because real network wiring situation complexity is various, some users' twisted-pair feeder more at random, might have a strong impact on the optimum performance that the MIMO technology can reach to the position in the trunk gauze.
For example, as shown in Figure 2, supposing has 10 twisted-pair feeders in the trunk gauze, chooses #1 twisted-pair feeder and #2 twisted pair applications MIMO technology, can reach reasonable transmission performance.But in practical wiring, might be that the signal on #1 twisted-pair feeder and the #5 twisted-pair feeder has been sent in the same user family.Like this, when the #2 twisted-pair feeder had transfer of data, the noise of induction # 2 twisted-pair feeder can be bigger than the noise of responding on the #5 twisted-pair feeder on the #1 twisted-pair feeder.If to #1 twisted-pair feeder and #5 twisted pair applications MIMO technology, then the useful differential signal and the noise of responding on the #2 twisted-pair feeder on the pseudo channel need be distinguished by system, therefore can cause the obvious decline of MIMO technical performance.
Summary of the invention
Embodiments of the invention provide a kind of far-end multiple-input multiple-output method, coupling box and system, can reduce the influence that practical wiring causes the MIMO technical performance.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, provide a kind of far-end multiple-input multiple-output method, comprising:
In containing the trunk gauze of many twisted-pair feeders, with digital user wire DSL technical transmission data; Many twisted-pair feeders in the described trunk gauze will carry out separated time towards each user near the user time;
The gauze from described breakout to the user, implement the described data of multiple-input and multiple-output MIMO technical transmission.
On the one hand, a kind of coupling box is provided, one end is connected with the trunk gauze, the other end is connected with the user, is used for many twisted-pair feeders with described trunk gauze, is divided into respectively organizing twisted-pair feeder towards each user, it is characterized in that, in the trunk gauze before arriving described coupling box, with DSL technical transmission data, in described coupling box, implement the described data of MIMO technical transmission.
On the one hand, a kind of far-end multi-input multi-output system is provided, comprises: backbone network switch, the trunk gauze that is connected with described backbone network switch, the coupling box that is connected with described trunk gauze and the user who is connected with described coupling box, wherein, described connection line is twisted-pair feeder
Described coupling box, one end is connected with the trunk gauze, the other end is connected with the user, be used for many twisted-pair feeders with described trunk gauze, be divided into and respectively organize twisted-pair feeder towards each user, in the described trunk gauze before arriving described coupling box, with DSL technical transmission data, in described coupling box, implement the described data of MIMO technical transmission.
Far-end multiple-input multiple-output method, coupling box and system that the embodiment of the invention provides are in containing the trunk gauze of many twisted-pair feeders, with DSL technical transmission data; Many twisted-pair feeders in this trunk gauze will carry out separated time towards each user near the user time; In the gauze from the breakout to user, implement these data of MIMO technical transmission.This with prior art in namely to implement the scheme of MIMO technology in the trunk gauze different, the embodiment of the invention in the trunk gauze with DSL technical transmission data, though have many piece twisted-pair feeders in the trunk gauze this moment, but owing to do not produce virtual extra channel, therefore there is not the problem of mutual generation interference; Many twisted-pair feeders in the trunk gauze carry out the separated time place towards each user and implement the MIMO technology, produce pseudo channel, the transmission data, owing to there is not the interference of other twisted-pair feeder circuits in this section twisted-pair feeder behind separated time, therefore can reduce the influence that interference causes the MIMO technical performance, thereby solve the problem that practical wiring exerts an influence to the MIMO technical performance.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the networking structure schematic diagram of prior art far-end MIMO technology;
Fig. 2 is the twisted-pair feeder position view in the trunk gauze;
The schematic flow sheet of the far-end MIMO method that Fig. 3 provides for the embodiment of the invention;
The networking structure schematic diagram of the far-end MIMO method that Fig. 4 provides for the embodiment of the invention;
The structural representation of the coupling box that Fig. 5 provides for the embodiment of the invention;
The structural representation of the far-end mimo system that Fig. 6 provides for the embodiment of the invention;
Another structural representation of the far-end mimo system that Fig. 7 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The far-end MIMO method that the embodiment of the invention provides as shown in Figure 1, comprising:
S301, in containing the trunk gauze of many twisted-pair feeders, with digital user wire DSL technical transmission data; Many twisted-pair feeders in this trunk gauze will carry out separated time towards each user near the user time.
At this, so-called " near the user " refers to, in the trunk gauze, many twisted-pair feeders are and transmit data together, circuit is in entering each user family the time, be two one group, or four one group enter, this just need a bit be divided into each group towards each user with many in the trunk gauze with twisted-pair feeder in place at certain.Generally speaking, this breakout is located near in user's the residential quarter, the breakout that carries out separated time when therefore in the present embodiment this breakout being called the trunk gauze near the user.
S302, the gauze from this breakout to the user, implement these data of multiple-input and multiple-output MIMO technical transmission.
The far-end multiple-input multiple-output method that the embodiment of the invention provides is in containing the trunk gauze of many twisted-pair feeders, with DSL technical transmission data; Many twisted-pair feeders in this trunk gauze will carry out separated time towards each user near the user time; In the gauze from the breakout to user, implement these data of MIMO technical transmission.This with prior art in namely to implement the scheme of MIMO technology in the trunk gauze different, the embodiment of the invention in the trunk gauze with DSL technical transmission data, though have many piece twisted-pair feeders in the trunk gauze this moment, but owing to do not produce virtual extra channel, therefore there is not the problem of mutual generation interference; Many twisted-pair feeders in the trunk gauze carry out the separated time place towards each user and implement the MIMO technology, produce pseudo channel, the transmission data, owing to there is not the interference of other twisted-pair feeder circuits in this section twisted-pair feeder behind separated time, therefore can reduce the influence that interference causes the MIMO technical performance, thereby solve the problem that practical wiring exerts an influence to the MIMO technical performance.
The far-end MIMO method that provides with reference to the another embodiment of the present invention of Fig. 4 describes.
As shown in Figure 4, the transmission data enter trunk gauze 402 from backbone network switch 401 and arrive coupling box 403, by coupling box 403 data are transferred to each user 404 places respectively again.
In containing the trunk gauze 402 of many twisted-pair feeders, adopt common DSL technical transmission data, namely every twisted-pair feeder all transmits signal separately, twisted-pair cable between using MIMO technique not, so the distance between each twisted-pair feeder does not influence transmission rate.
Because do not produce pseudo channel this moment, thereby can select for use 3 twisted-pair feeders to reach the message transmission rate of the highest 300Mbps.For example transmit the data of the highest 300Mbps with the #1 among Fig. 2, #5, three twisted-pair feeders of #7.Because these three twisted-pair feeders are non-conterminous, when on #2 twisted-pair feeder or the #6 twisted-pair feeder transfer of data being arranged, the noise of responding on #1, #5, the #7 twisted-pair feeder will be variant.
In the prior art, this difference can with pseudo channel in differential signal mix and be difficult to and distinguish.And in the present embodiment, owing to there is not pseudo channel herein, just do not have the demand of distinguishing noise yet.For every twisted-pair feeder self, because two wires of twisted-pair feeder self are closely around together, signal on other twisted-pair feeder all is presented as the common mode form basically to the noise of this two wires induction, therefore make a distinction than the differential signal that is easier to transmitting on itself and this two wires, thus very little to the influence of transmitting data.
Many twisted-pair feeders in the trunk gauze 402 will carry out separated time towards each user 404 near user 404 time.404 the gauze from this breakout to the user, implement MIMO technical transmission data.
Because coupling box 403 1 ends connect trunk gauze 402, the other end connects user 404, just in time be arranged in many breakouts that near the user time, carry out separated time with twisted-pair feeder towards each user of trunk gauze 402, therefore in the gauze from the breakout to user, implement the MIMO technology, namely be the MIMO technology of this section gauze 404 from coupling box 403 to the user, implementing in the present embodiment, so can be at coupling box 403 place's using MIMO techniques.
Concrete, the data of transmission on three twisted- pair feeders 11,12,13 in the trunk gauze 402 can be coupled on two twisted- pair feeders 21,22 of same user (for example the user 1) and transmit.Can take the data of transmission on two twisted- pair feeders 11,12 in the trunk gauze 402 are coupled to one to one on two twisted- pair feeders 21,22 of same user, the common-mode signal constructing virtual channel of two twisted-pair feeders of this user of recycling (user 1) is coupled to the data of transmitting on the 3rd twisted-pair feeder 13 in the trunk gauze 402 in this pseudo channel.
Two twisted-pair feeders delivering in the same user family generally all can be routed in together, and external noise induction can be presented as the common mode form mostly, thus than be easier to pseudo channel in the differential signal that transmits distinguish.And, tie together with a large amount of twisted-pair feeders in the trunk gauze and different to be, deliver to two twisted-pair feeders next doors what other the twisted-pair feeder not in the same user family.Known, the noise induction size descends with the increase of distance, and therefore, many twisted-pair feeders in the trunk gauze carry out separated time place using MIMO technique towards each user, two less interference that are subjected to other twisted-pair feeders of three channels that twisted-pair feeder forms can obtain higher transmission rate.
In addition, the coupling process after the coupling box separated time only needs some appropriate passive transformers to get final product, and does not need extra power supply, therefore can put together with existing coupling box, and the space that minimizing equipment is shared also is convenient to safeguard simultaneously.
The coupling box 50 that the embodiment of the invention provides as shown in Figure 5, comprising:
These coupling box 50 1 ends are connected with the trunk gauze, the other end is connected with the user, be used for many twisted-pair feeders with the trunk gauze, be divided into and respectively organize twisted-pair feeder towards each user, in the trunk gauze before arriving this coupling box 50, with DSL technical transmission data, in this coupling box 50, implement these data of MIMO technical transmission.
Further, this coupling box 50 comprises:
The coupling box that the embodiment of the invention provides, one end is connected with the trunk gauze, the other end is connected with the user, be used for many twisted-pair feeders with the trunk gauze, be divided into and respectively organize twisted-pair feeder towards each user, in the trunk gauze before arriving this coupling box, with DSL technical transmission data, in this coupling box, implement MIMO technical transmission data.This with prior art in namely to implement the scheme of MIMO technology in the trunk gauze different, the embodiment of the invention in the trunk gauze with DSL technical transmission data, though have many piece twisted-pair feeders in the trunk gauze this moment, but owing to do not produce virtual extra channel, therefore there is not the problem of mutual generation interference; Many twisted-pair feeders in the trunk gauze carry out the separated time place towards each user and implement the MIMO technology, produce pseudo channel, the transmission data, owing to there is not the interference of other twisted-pair feeder circuits in this section twisted-pair feeder behind separated time, therefore can reduce the influence that interference causes the MIMO technical performance, thereby solve the problem that practical wiring exerts an influence to the MIMO technical performance.
The far-end MOMI system that the embodiment of the invention provides, as shown in Figure 6, comprise: backbone network switch 601, the trunk gauze 602 that is connected with backbone network switch 601, the coupling box 603 that is connected with trunk gauze 602 and the user 604 who is connected with coupling box 603, wherein, described connection line is twisted-pair feeder.
The far-end MOMI system that the embodiment of the invention provides comprises: backbone network switch, the trunk gauze that is connected with the backbone network switch, the coupling box that is connected with the trunk gauze and the user who is connected with coupling box, and wherein, connection line is twisted-pair feeder; This coupling box, one end is connected with the trunk gauze, the other end is connected with the user, be used for many twisted-pair feeders with the trunk gauze, be divided into and respectively organize twisted-pair feeder towards each user, in the trunk gauze before arriving this coupling box, with DSL technical transmission data, in this coupling box, implement MIMO technical transmission data.This with prior art in namely to implement the scheme of MIMO technology in the trunk gauze different, the embodiment of the invention in the trunk gauze with DSL technical transmission data, though have many piece twisted-pair feeders in the trunk gauze this moment, but owing to do not produce virtual extra channel, therefore there is not the problem of mutual generation interference; Many twisted-pair feeders in the trunk gauze carry out the separated time place towards each user and implement the MIMO technology, produce pseudo channel, the transmission data, owing to there is not the interference of other twisted-pair feeder circuits in this section twisted-pair feeder behind separated time, therefore can reduce the influence that interference causes the MIMO technical performance, thereby solve the problem that practical wiring exerts an influence to the MIMO technical performance.
Further, as shown in Figure 7, coupling box 603 comprises:
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (3)
1. a far-end multiple-input multiple-output method is characterized in that, comprising:
In containing the trunk gauze of many twisted-pair feeders, with digital user wire DSL technical transmission data; Many twisted-pair feeders in the described trunk gauze will carry out separated time towards each user near the user time;
The gauze from described breakout to the user, implement the described data of multiple-input and multiple-output MIMO technical transmission;
Wherein, the gauze from described breakout to the user, implement the described data of MIMO technical transmission and comprise: at described breakout, the data of transmitting on three twisted-pair feeders in the described trunk gauze are coupled on two twisted-pair feeders of same user transmit;
The data of transmitting on three twisted-pair feeders in the described trunk gauze are coupled on two twisted-pair feeders of same user comprise: the data of transmitting on two twisted-pair feeders in the described trunk gauze are coupled to one to one on two twisted-pair feeders of same user, the common-mode signal constructing virtual channel of two twisted-pair feeders of the described user of recycling is coupled to the data of transmitting on the 3rd twisted-pair feeder in the described trunk gauze in the described pseudo channel.
2. coupling box, one end is connected with the trunk gauze, the other end is connected with the user, be used for many twisted-pair feeders with described trunk gauze, be divided into towards each user respectively organize twisted-pair feeder, it is characterized in that, in the trunk gauze before arriving described coupling box, with DSL technical transmission data, in described coupling box, implement the described data of MIMO technical transmission;
Described coupling box comprises: coupling unit, and the data that are used for transmitting on three twisted-pair feeders with described trunk gauze are coupled to two twisted-pair feeders towards same user;
The data of transmitting on three twisted-pair feeders in the described trunk gauze are coupled on two twisted-pair feeders of same user comprise: the data of transmitting on two twisted-pair feeders in the described trunk gauze are coupled to one to one on two twisted-pair feeders of same user, the common-mode signal constructing virtual channel of two twisted-pair feeders of the described user of recycling is coupled to the data of transmitting on the 3rd twisted-pair feeder in the described trunk gauze in the described pseudo channel.
3. far-end multi-input multi-output system, comprise: backbone network switch, the trunk gauze that is connected with described backbone network switch, the coupling box that is connected with described trunk gauze and the user who is connected with described coupling box, wherein, described connection line is twisted-pair feeder, it is characterized in that
Described coupling box, one end is connected with the trunk gauze, the other end is connected with the user, be used for many twisted-pair feeders with described trunk gauze, be divided into and respectively organize twisted-pair feeder towards each user, in the described trunk gauze before arriving described coupling box, with DSL technical transmission data, in described coupling box, implement the described data of MIMO technical transmission;
Wherein, described coupling box comprises: coupling unit, and the data that are used for transmitting on three twisted-pair feeders with described trunk gauze are coupled to two twisted-pair feeders towards same user;
The data of transmitting on three twisted-pair feeders in the described trunk gauze are coupled on two twisted-pair feeders of same user comprise: the data of transmitting on two twisted-pair feeders in the described trunk gauze are coupled to one to one on two twisted-pair feeders of same user, the common-mode signal constructing virtual channel of two twisted-pair feeders of the described user of recycling is coupled to the data of transmitting on the 3rd twisted-pair feeder in the described trunk gauze in the described pseudo channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110053348 CN102104455B (en) | 2011-03-04 | 2011-03-04 | Remote-end multiple input multiple output method, distributing cabinet and system |
| PCT/CN2011/082508 WO2012119462A1 (en) | 2011-03-04 | 2011-11-21 | Remote multiple input multiple output method, junction box and system |
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| CN 201110053348 CN102104455B (en) | 2011-03-04 | 2011-03-04 | Remote-end multiple input multiple output method, distributing cabinet and system |
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| CN102104455B true CN102104455B (en) | 2013-10-09 |
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| CN102104455B (en) * | 2011-03-04 | 2013-10-09 | 华为技术有限公司 | Remote-end multiple input multiple output method, distributing cabinet and system |
| CN102308486B (en) * | 2011-07-05 | 2014-04-02 | 华为技术有限公司 | Method and apparatus for generating expansion channel |
| CN111385174A (en) * | 2018-12-29 | 2020-07-07 | 中兴通讯股份有限公司 | Network access method, device, network local side equipment and user equipment |
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| US7535866B2 (en) * | 2003-12-15 | 2009-05-19 | Aktino, Inc. | Deployment processes for new technology systems |
| CN1881912A (en) * | 2005-06-13 | 2006-12-20 | 华澳通讯（上海）有限公司 | Digital user line binding and accessing method based on multi-user |
| RU2431935C2 (en) * | 2005-08-08 | 2011-10-20 | Дженисис Текникал Системз, Корп. | Shared dsl network and deployment method thereof |
| WO2009122410A2 (en) * | 2008-04-02 | 2009-10-08 | Obimey Ltd | Method and apparatus for enhanced performance and crosstalk measurement in a mimo communication system |
| EP2136476B1 (en) * | 2008-06-20 | 2018-12-19 | ADTRAN GmbH | Method and device for data processing and communication system comprising such device |
| CN102104455B (en) * | 2011-03-04 | 2013-10-09 | 华为技术有限公司 | Remote-end multiple input multiple output method, distributing cabinet and system |
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