CN1589041A - Radio honeycomb base station device with VDSL interface - Google Patents
Radio honeycomb base station device with VDSL interface Download PDFInfo
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- CN1589041A CN1589041A CN 200410070188 CN200410070188A CN1589041A CN 1589041 A CN1589041 A CN 1589041A CN 200410070188 CN200410070188 CN 200410070188 CN 200410070188 A CN200410070188 A CN 200410070188A CN 1589041 A CN1589041 A CN 1589041A
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Abstract
This invention puts forward a basestation equipment with VDSL transmission interface including a RF unit, a control unit, a baseband process unit, and a VDSL transmission interface. It provides a method for delivering data to the basestation controller via VDSL which processes the control information user data and operation maintenance information to DSL physical signals to be delivered to the terminal VDSL then to the basestation controller. This invention also puts forward a method that the basestation equipment receive data from its controller via VDSL, which process the physical signals into control information and delivers them to the control unit and baseband process unit.
Description
The present invention relates to a kind of radio honeycomb communication base station equipment, be specifically related to, the base station equipment that has the VDSL interface and communicate by this interface and base station controller in field of mobile communication.
Following world will be the information-intensive society based on mobile communication.In following information-intensive society, various wireless personal communications will be more and more general.Mobility will be extended on the Internet simultaneously, organically combine with the Internet, constitute a brand-new high-speed radio multimedia communication platform.3G (Third Generation) Moblie technology (3G) is exactly an inevitable outcome of complying with this trend, by wireless access at a high speed and core exchange efficiently, an information channel fast is provided for following mobile multi-media terminal.3G is the multimedia service that polytype, multiple quality can be provided, and has the global roaming ability, and is compatible mutually with fixed network, and with the small portable terminal at any time, any place system of carrying out the communication of any kind of.Because its many advantage, it is once global operator, equipment supplier, users' the attention of being born deep attraction.The advantage of comparing 3G with second generation mobile communication technology (2G) may be summarized to be:
(1) can realize global roaming: the user can roam in whole system even global range, and can obtain to have the service of quality assurance under different rates, different motion state;
(2) can provide multiple business: data, dynamic video traffic, particularly multimedia service that speech, variable bit rate are provided;
(3) can adapt to multiple environment: can provide seamless covering in conjunction with current public telephone network (PSTN), integrated services digital network, cordless system, land mobile communication system, satellite communication system;
(4) enough mass of system: powerful multiple subscriber management capabilities, high security and high quality-of-service.
Base station equipment be responsible in the wireless sub network in the 3G cellular communication system in one or more sub-districts to (from) logical node of UE emission (reception) wireless signal.This logical node ends in the interface of base station controller.
The major function of base station equipment is to finish the processing of air wireless interface physical layer protocol.Its major function comprises spread spectrum, modulation, chnnel coding and despreading, separates the mediation channel-decoding, in addition also comprises the mutual conversion of baseband signal and radiofrequency signal.
The architecture of general base station equipment is made up of four modules.They are respectively radio-frequency modules, baseband processing module, base stations control module and interface module.The major function of radio-frequency module is the interface of finishing with antenna, carries out modulation, the up-conversion of downstream signal, and the amplification of downstream signal and up signal amplify, down-conversion, with up receiving signal demodulation, in addition, also comprise the filtering and the duplex capability of signal.The major function of baseband processing module is the base band signal process of carrying out the public and dedicated channel of uplink and downlink, the Frame Protocol termination of base station and base station controller interface, the scheduling of the interior resource of baseband processing module.The function of base stations control module is control and coordinates the base station equipment operate as normal, finishes the distribution of resource according to the instruction of base station controller.The major function of interface module is to finish the base station to interface and other external interface functions of system of base station controller, and control base station signaling process and Operation and Maintenance carry out that system clock generates, the transmission of user plane data synchronously and in the baseband module.In existing base station system inside, the interface module physical transfer is only supported transmission such as E1, STM-1 and microwave.
Because existing NodeB equipment is all with STM-1, E1/T1, the data that the carrying of physical transfer such as J1 is carried out between base station and the base station controller transmit, and be not to be suitable as in the building of site E1/T1 is all arranged, physical transfer such as J1 or STM-1 circuit, this seeks suitable base station machine room to operator and has caused very big difficulty.Employing can be improved the transmission network construction to modes such as building inner ply fiber that is fit to build a station or coaxial cables, but, need a large amount of investment and time so build the 3G (Third Generation) Moblie transmission network because laying optical cable or cable need excavate cable trough even need jaywalk.
Therefore, the transmission problem of the numerous base stations of solution rapidly and efficiently how, the investments of saving a large amount of 3G of construction have been the major issue that operator and equipment manufacturers consider.Concerning existing fixed-line telecom carrier, because it has laid a large amount of twisted-pair feeder transmission mediums through for many years operation.If can utilize the twisted-pair feeder transmission medium to carry out transfer of data between base station and the base station controller, then can be operator and build 3G network and save great amount of investment.
An object of the present invention is to overcome existing base station and can not utilize the twisted-pair feeder resource of extensive distribution and the deficiency that base station controller communicates, invent a kind of novel base station equipment that can communicate by twisted-pair feeder physical medium and base station controller.
Another object of the present invention is to propose a kind of method that sends data in base station equipment by the VDSL transmission to base station controller that relates to.Described method utilizes the VDSL interface unit that wireless network protocol data cell and control signaling bear are sent to base station controller to the VDSL physical signalling by the twisted-pair feeder transmission medium.
The 3rd purpose of the present invention is a kind of method that receives data in base station equipment by the VDSL transmission from base station controller that relates to of invention.VDSL physical signalling carrying wireless network protocol data cell and control signaling that described method utilizes the VDSL interface unit that base station controller is transmitted by twisted-pair feeder.
For reaching the purpose of invention, the novel base station equipment of a kind of VDSL of having coffret of the present invention comprises radio frequency unit, base station control unit, and baseband processing unit is characterized in that: also comprise VDSL coffret unit; Described VDSL coffret unit is connected with baseband processing unit, base station control unit, outer twisted pairs physical transmission medium; Described radio frequency unit is connected with antenna, base station control unit, baseband processing unit; Described baseband processing unit is connected with radio frequency unit, base station control unit, VDSL coffret unit; Described VDSL coffret unit is connected with base station control unit, baseband processing unit and twisted-pair feeder physical transmission medium; Above reach hereinafter described " connection " have following different implications because of concrete use occasion difference: 1, connection physically promptly connects the tangible connections such as circuit, magnetic circuit of inter-entity; 2, connection in logic refers to invisible communication or the contact such as signal, information, control Signalling exchange between logic entity.
In the base station equipment of the present invention as mentioned above, described VDSL coffret unit comprises: wireless network protocol processor, VDSL transmsision protocol adaptor, VDSL transceiver; Described wireless network protocol processor is connected with baseband processing unit, VDSL transmsision protocol adaptor; Described VDSL transmsision protocol adaptor is connected with wireless network protocol processor, VDSL transceiver; Described VDSL transceiver is connected with VDSL transmsision protocol adaptor, twisted-pair feeder physical transmission medium;
In the base station equipment of the present invention as mentioned above, described VDSL transmsision protocol adaptor comprises: the ATM protocol adaptor; Described ATM protocol adaptor is connected with the ATM-TC of wireless network protocol processor with the VDSL transceiver;
In the base station equipment of the present invention as mentioned above, described VDSL transmsision protocol adaptor comprises: the IPOA protocol adaptor; Described IPOA protocol adaptor is connected with the ATM-TC of wireless network protocol processor with the VDSL transceiver;
In the base station equipment of the present invention as mentioned above, described VDSL transmsision protocol adaptor comprises: the IPOP protocol adaptor; Described IPOP protocol adaptor is connected with the PTM-TC of wireless network protocol processor with the VDSL transceiver;
For reaching second purpose of the present invention, base station equipment of the present invention comprises the following steps: by the method for VDSL transmission to base station controller transmission data
(1), the wireless network protocol processor of base station equipment becomes the Operation and Maintenance information multiplexing that will send to control information, user data and the base station of base station controller wireless network transmissions service data unit (SDU) to give VDSL transmsision protocol adaptor;
(2), the VDSL transmsision protocol adaptor of base station equipment according to the prior agreement of local side VDSL equipment (VTU-0) and base station controller, the wireless network protocol data cell be packaged into ATM cell or (with) the PTM packet gives the transmission of VDSL transceiver respectively;
(3), the VDSL transceiver of base station equipment the ATM cell of VDSL transmsision protocol adaptor or (with) the PTM processing data packets becomes the VDSL physical signalling to send to local side VDSL equipment (VTU-O) by the twisted-pair feeder physical medium, the VDSL local side apparatus is transferred to base station controller again;
A kind of base station equipment of the present invention comprises the following steps: by the method for VDSL transmission from base station controller reception data
(1), the physical signalling demodulation that the local side VDSL equipment (VTU-O) that receives is sended over of the VDSL transceiver of base station equipment, be decoded into the VDSL transmission frame, again according to the prior agreement of local side VDSL equipment (VTU-O) and base station controller the VDSL transmission frame be processed into ATM cell or (with) the PTM packet sends to the VDSL transmsision protocol adaptor;
(2), the VDSL transmsision protocol adaptor of base station equipment according to the prior agreement of local side VDSL equipment (VTU-0) and base station controller the ATM cell of the VDSL transceiver transmission that receives or (with) the PTM processing data packets becomes the wireless network transmissions protocol Data Unit to send to the wireless network protocol processor;
(3), the wireless network protocol processor of base station equipment is the wireless transmission service data unit demultiplexing of receiving that control information, user data and Operation and Maintenance information send to base station control unit and baseband processing unit.
Compare with existing base station equipment, adopt the base station equipment of invention and the reception and the sending method of invention can make full use of existing transfer resource, save the construction investment of 3G (Third Generation) Moblie network, reduce the difficulty that the site, base station is sought by operator, make operator can build the 3G (Third Generation) Moblie network fast and efficiently.
Below in conjunction with the example more detailed description preferred embodiment of Figure of description, wherein:
Fig. 1 has illustrated the architecture of 3G (Third Generation) Moblie network;
Fig. 2 has illustrated the possible structure chart according to equipment of the present invention;
Fig. 3 has illustrated the block diagram of an example of VDSL coffret unit;
Fig. 4 has illustrated the block diagram of an example of VDSL transmsision protocol adaptor;
Fig. 5 has illustrated the block diagram of an example of VDSL transceiver;
UMTS with one of 3G standard is that example is described method and apparatus of the present invention in detail below, but the present invention also can be used for other wireless access technology, is conspicuous based on following description to those skilled in the art, so description of the invention is not limited to the UMTS wireless access technology.
Below in conjunction with the architecture of accompanying drawing 1 detailed description UMTS network, as shown in Figure 1, the UMTS system is by core net 100, and wireless access network 101 and subscriber equipment network elements such as (UE) constitutes.Core net 100 is keeping on the second generation communication network circuit domain business feature base, increases the core net function of packet domain, so that provide the high-speed data service service for the user.Access Network 101 is realized the access service management of customer service, as finishes the switching of customer service, management of Radio Resource or the like.
Shown in Figure of description 1, base station equipment of the present invention and cut-in method are realized base station 110,111,114,115 functions shown in mobile network's wireless access network system 104,105 in the accompanying drawing 1.Access device of the present invention can be a base station equipment 110,111, one or more in 114,115.Below be the system configuration and the technical scheme of example explanation base station apparatus of the present invention with base station equipment 110.
As shown in Figure 2, base station equipment 110 according to the present invention comprises radio frequency unit 201, base station control unit 215, baseband processing unit 207, one or more VDSL coffrets unit 200, its function is to finish between base station 110 and the base station controller 106,107 to control signaling, user data and Operation and Maintenance transmission of Information; Described VDSL coffret unit 200 is connected with baseband processing unit 207, base station control unit 215, outer twisted pairs physical transmission medium 213,214; Described radio frequency unit 207 is connected with antenna 201, base station control unit 215, baseband processing unit 207; Described baseband processing unit 207 is connected with radio frequency unit 207, base station control unit 215, VDSL coffret unit 200;
As shown in Figure 2, base station control unit 215 is control centres of base station 110, realizes the control to modules such as radio frequency unit 201, baseband processing unit 207, VDSL coffret unit 200.Base station control unit 215 realizes functions such as the frequency of radio frequency unit 201 and power settings by control interface 206, realizes that control response inspection, the on-air radio received-signal strength of radio frequency units 201 are monitored and condition managing etc. by control interface 205.The implementation of control interface 205,206 includes but not limited to control and data/address bus, forms such as interrupt message.
As shown in Figure 2, initialization, foundation, deletion and modification that base station control unit 215 realizes Radio Link in the baseband processing unit 207 by control interface 216, the functions such as measurement control of realization Radio Link.Receive the measurement report or monitoring control interface 216 response messages of Radio Link in the baseband processing unit 207 by control interface 210.The implementation of control interface 210,216 includes but not limited to forms such as message queue, interface function call.
As shown in Figure 2, the control that base station control unit 215 realizes VDSL coffret unit 200 by control interface 211, its function comprises: one, realize the initialization of VDSL coffret unit 200; Two, realize the functions such as configuration, foundation and deletion of delivery of user traffic network link; Three, the foundation and the transmission of the wireless network common signaling link of realization and base station controller 106,107.Base station control unit 215 is achieved as follows three class functions by control interface 212: one, base station 110 receives base station controller 106 from input interface 214,107 wireless network dedicated signaling message and send wireless network dedicated signaling message to base station controller 106,107 by output interface 213; Two, base station 110 receives the public signaling message of wireless network of base station controller 106,107 and sends the public signaling message of wireless network by output interface 213 to base station controller 106,107 from input interface 214; Three, when network needs management of base station 110, receive the network state administration order, report base station states or the like from output interface 213 from input interface 214;
As shown in Figure 2, VDSL coffret unit 200 is under the control of base station control unit 215, downlink user business datum in the input interface 214 is adaptive, and deliver to the input interface 209 of baseband processing unit 207 and the user uplink business datum in the baseband processing unit 207 up output interfaces 208 is adaptive and deliver to the output interface 213 of VDSL coffret unit 200.
As shown in Figure 2, baseband processing unit 207 carries out following operation with the downlink user business datum in the descending input interface 209 under the control of base station control unit 215: descending transmission channel is multiplexing, encode, interweave, rate-matched, spread spectrum and scrambling.Through behind the aforesaid operations, the downlink user business datum becomes baseband signal.Then, baseband processing unit 207 superposes the baseband signal of different user, and the baseband signal of stack common down channel.Baseband signal after baseband processing unit 207 will merge is delivered to the input interface 204 of radio frequency unit 201; Baseband processing unit 207 carries out following operation with the up user's baseband signal in the up input interface 203: despreading and descrambling, deinterleaving, decoding, demultiplexing etc. under the control of base station control unit 215.Up subscriber signal through above-mentioned processing is converted into uplink user data, and delivers to the up output interface 208 of baseband processing unit 207.
As shown in Figure 2, radio frequency unit 201 carries out rf modulations with the baseband signal in the descending input interface 204 under the control of base station control unit 215, and is outputed in the air by antenna port.Radio frequency unit 201 carries out radio frequency low-noise amplification, automatic gain control, down-conversion demodulation etc. with up radiofrequency signal under the control of base station control unit 215, finish the user uplink radiofrequency signal is become the uplink baseband signal.
The operation of 3 The effect VDSL interface units in conjunction with the accompanying drawings now.Shown in accompanying drawing 3., VDSL coffret unit 200 comprises: wireless network protocol processor 300, VDSL transmsision protocol adaptor 301 and VDSL transceiver 302.
Wireless network protocol processor 300 by under the effect of control interface 211,212, is finished, the initialization process of functional modules such as VDSL transmsision protocol adaptor 301 and VDSL transceiver 302 in base station control unit 215 in VDSL coffret unit 200.
Wireless network protocol processor 300 receives or sends any wireless network services data cell of base station control unit 215 by interface 211,212 after finishing initialization; Send Uu interface business and control datas by interface 208,209 from baseband processing unit 207 receptions or to baseband processing unit 207.The signal flow and the function of wireless network protocol processor 300 are: one, transfer to the VDSL transmsision protocol adaptor after following of the control of base station control unit 215 control signaling information is encoded into NBAP (Node B ApplicationPart) service data unit and send to base station controller 106 or 107, or receive NBAP protocol Data Unit that base station controller sends from the VDSL transmsision protocol adaptor and be decoded as the control signaling and transfer to base station control unit; Two, the Uu interface business of the following baseband processing unit of the control of base station control unit 215 207 outputs with transfer to the VDSL protocol adaptor after control data is packaged into different wireless data frame and send to base station controller 106 or 107, perhaps, Uu interface business that the VDSL transmsision protocol adaptor is sent and control data are adapted to the Uu interface data and transfer to baseband processing unit 207 and handle.
VDSL transmsision protocol adaptor 301 is finished initialization under the control of base station control unit.Then by interface 303,306,307 receive wireless network protocol processor 300 submits NBAP protocol Data Unit (NBAP-PDU) and the Uu interface data frame that sends to, according to the agreement of base station controller and VDSL local side apparatus (VTU-O), and be packaged into ATM cell or ethernet frame respectively according to 3GPP TS25.43x serial protocols and give VDSL transceiver 302 by interface 304 or 305 respectively and send to base station controller 106,107; Or present wireless network protocol processor 300 by 303,306,307 interfaces after receiving the ATM cell or the ethernet frame of VDSL transceivers 302 submissions and be adapted to NBAP protocol Data Unit and wireless data frame by 304 or 305.
VDSL transmsision protocol adaptor 301 carries out the exchanges data of ATM cell by interface 304 and VDSL transceiver 302, carries out the exchanges data of IP type by interface 305 and VDSL transceiver 302.
Introduce the operation of VDSL transmsision protocol adaptor 301 in detail below in conjunction with accompanying drawing 4.As shown in Figure 4, VDSL transmsision protocol adaptor 301 is by ATM protocol adaptor 401, IPOA protocol adaptor 402, and IPOP protocol adaptor 403 is formed.Described ATM protocol adaptor 401 is connected with wireless network protocol processor 300 by interface 307, is connected with VDSL transceiver 302 with 304 by interface 407.In the ordinary course of things, if base station controller 106,107 supports atm interface and VDSL local side apparatus network side (VTU-O) to support atm interface, then base station system selects ATM protocol adaptor 401 to carry out transfer of data when initialization.The function of ATM protocol adaptor 401 is to realize wireless network control face protocol stack SAAL-NNI/ATM and user face protocol stack AAL2/ATM function and transmission network chain of command protocol stack ALCAP/Q.2150.2/SAAL-NNI/ATM function.Described IPOA protocol adaptor 402 is connected with wireless network protocol processor 300 by interface 303, is connected with VDSL transceiver 302 with 304 by 408.VDSL local side apparatus network side (VTU-O) is only supported atm interface if 106,107 of base station controllers are supported the IP pattern, then selects IPOA protocol adaptor 402 to carry out transfer of data during the base station system initialization.The function of IPOA protocol adaptor is to realize wireless network control face protocol stack SCTP/IP/PPP/AAL5/ATM, SCTP/IP/PPP/AAL2/ATM, MPLS/ATM and wireless network user face protocol stack UDP/IP/PPP/AAL5/ATM, UDP/IP/PPP/AAL2/ATM, UDP/IP/MPLS/ATM and transmission network chain of command protocol stack function also are mapped to ATM-TC to ATM cell.Described IPOP protocol adaptor 403 is connected with the wireless network protocol processor by interface 306, is connected with the VDSL transceiver by interface 305.If base station controller 106,107 is supported the IP patterns, VDSL local side apparatus side (VTU-O) is supported the Ethernet interface, then selects IPOP protocol adaptor 403 to carry out transfer of data during the base station system initialization.The function of IPOP protocol adaptor is to realize wireless network control face transport protocol stack SCTP/IP/PPP/PPPOE/Ethernet function and wireless network user face protocol stack UDP/IP/PPP/PPPOE/Ethernet function and transmission network chain of command protocol stack IP-ALCAP/IP/PPP/PPPOE/Ethernet function and ethernet frame is mapped to PTM-TC.
The major function of VDSL transceiver is to realize VDSL ustomer premises access equipment (VTU-R) function as shown in Figure 5.
The VDSL transceiver is made up of modules such as ATM-TC, PTM-TC, Fast Channel multiplexer, slow channel multiplexer, PMS-TC and PMD.ATM-TC is connected with the VDSL transmsision protocol adaptor by interface 304, is connected with Fast Channel multiplexer, slow channel multiplexer respectively by interface 506,507; PTM-TC is connected with the VDSL transmsision protocol adaptor by interface 305, is connected with Fast Channel multiplexer, slow channel multiplexer respectively by interface 508,509; The Fast Channel multiplexer is connected with PMS-TC by interface 510, and the slow channel multiplexer is connected with PMS-TC by interface 511; PMS-TC is connected with the PMD module by interface 512; PMD is connected with the twisted-pair feeder physical medium by interface 213,214.
ATM-TC carries out the reception or the transmission of ATM categorical data by interface 304 and VDSL transmsision protocol adaptor, and PTM-TC carries out the reception and the transmission of IP categorical data by interface 305 and VDSL transmsision protocol adaptor; ATM-TC finishes the decoupling zero of ATM cell speed, demarcation, HEC checking and generation etc., and according to carrying data demand difference (initialized setting), is fitted to Fast Channel multiplexer, slow channel multiplexer etc. respectively by interface 506,507.PTM-TC is the transmission of IP data bag pellucidly, and according to carrying data demand difference, is fitted to Fast Channel multiplexer, slow channel multiplexer etc. respectively by interface 508,509.
The Fast Channel multiplexer becomes one the tunnel to use irrelevant data with carrying the Fast Channel data multiplex, deliver to PMS-TC or the Fast Channel data of interface 510 are demultiplexed into the data that different bearer is used by interface 510, and deliver to ATM-TC or PTM-TC by interface 506 or 508.The slow channel multiplexer becomes one the tunnel to use irrelevant data with carrying the slow channel data multiplex, deliver to PMS-TC or the slow channel data of interface 511 are demultiplexed into the data that different bearer is used by interface 511, and deliver to ATM-TC or PTM-TC by interface 507 or 509;
The PMS-TC module is carried out scrambling and descrambling, forward error correction coding and decoding, is interweaved and deinterleaving is handled the bi-directional data of slow channel, and the bi-directional data of Fast Channel is carried out scrambling and processing such as descrambling, forward error correction coding and decoding.Through above-mentioned processing soon at a slow speed channel data deliver to the PMD module through multiplexing back by interface 512, or be the coding and the scrambled data of channel at a slow speed soon with the data demultiplexing of interface 512.
The PMD module is to handle the unit of physics link signal in the VDSL transceiver.The PMD module is carried out constellation encoder, modulation, analog etc. with the data of interface 512, and is transferred to base station controller by interface 213,214.The analog signal of PMD module docking port 213,214 is delivered to the PMS-TC module by interface 512 after carrying out processing such as filtering, demodulation, constellation decoder.
Now 6 describe base station equipment of the present invention sends data to base station controller 106 by the VDSL transmission method in detail in conjunction with the accompanying drawings.Shown in description of the invention accompanying drawing 6, base station control unit 215 comprises system controller 600, Operation and Maintenance and network manager 604.Wherein Operation and Maintenance and network manager 604 are optional modules of base station control unit 215.System controller 600 has the interface 205,206,210,216,211,212 identical with accompanying drawing 2 functions, system controller 600 is realized the management and the controlled function of base stations, promptly realizes control, state and measurement report, control response Message Processing between base station control unit 215 and radio frequency unit 201 in the accompanying drawings 2, baseband processing unit 207, the VDSL coffret unit 200 according to wireless network layer control protocol content by control interface 205,206,210,216,211,212.Operation and Maintenance and network management unit 604 have interface 211,212,601,602, wherein interface 211,212 is realized and the supervisory communications of network management center, and interface 601,602 is realized the functions such as status report of network management center to obstruction, pending operation and the local resource of local resource.
7 be described in detail a kind of base station equipment of the present invention sends data to base station controller (106) by the VDSL transmission method step in conjunction with the accompanying drawings now:
The system controller 215 of base station equipment is delivered to control, state and the measurement report that will send to base station controller, control response message etc. the wireless network protocol processor 300 of VDSL coffret unit 200 by interface 211, wireless network protocol processor 300 is packaged into NBAP (Node BApplication Protocol) protocol Data Unit (frame) to these control informations, transfers to 301 transmission of VDSL transmsision protocol adaptor then; Baseband processing unit 207 is delivered to the Uu interface data frame that produces the wireless network protocol processor 300 of VDSL coffret unit 200 by interface 208, wireless network protocol processor 300 is adapted to the transport channel data frame to these Uu interface data frames, transfers to 301 transmission of VDSL transmsision protocol adaptor then.Synchronous and the transmitting synchronous order of the descendant node of wireless network protocol processor 300 response base station controllers (106), produce uplink frame synchronously with up node synchronous control frame etc., or produce transmission channel according to the timing relationship of base station controller (106) descending transmission channel frame and regularly adjust control frame, transfer to 301 transmission of VDSL transmsision protocol adaptor together with node and transport channel synchronization control frame.
Method shown in description of the invention accompanying drawing 7, the process of signal flow step 702 transmission NBAP control messages is: transmsision protocol adaptor 301 is supported the NBAP protocol Data Unit according to the interface protocol and the VDSL local side apparatus (VTU-O) of base station controller end agreement situation is mapped to ATM cell (ATM Cell) or ethernet frame to the NBAP protocol Data Unit respectively; Three kinds of situations of mapping are as follows: if the base station controller Iub interface is only supported atm interface, and VDSL local side apparatus network side is only supported atm interface, then select ATM protocol adaptor 401 to carry out the transmission of NBAP control messages, ATM protocol adaptor 401 forms the SSCF-UNI protocol Data Unit through the SSCF-UNI protocol processes, form the SSCOP protocol Data Unit through the SSCOP protocol processes again, pass through the order formation ATM cell that the AAL5 protocol processes forms the AAL5 protocol Data Unit and adds the ATM protocol header more again, transfer to the transmission of VDSL transceiver; If the base station controller Iub interface is supported the IP pattern, VDSL local side apparatus network side is supported the Ethernet interface, then select IPOP protocol adaptor 403 to carry out the transmission of NBAP control messages, IPOP protocol adaptor 403 is handled through Stream Control Transmission Protocol and is formed the Stream Control Transmission Protocol data cells, adds to transfer to the VDSL transceiver after the sequential processes that the IP protocol processes forms ethernet frame and transmit again; If base station controller is only supported the IP pattern, and VDSL local side apparatus network side is only supported atm interface, then select IPOA protocol adaptor 402 to carry out the transmission of NBAP control messages, IPOA protocol adaptor 402 is handled through Stream Control Transmission Protocol, after forming the ethernet frame sequential processes through the IP protocol processes again, after forming ATM cell, the protocol processes of passing through IPOA (IP Over ATM) again transfers to the transmission of VDSL transceiver.
Method shown in description of the invention accompanying drawing 7, the process of signal flow step 702 transmitting user data is: transmsision protocol adaptor 301 is supported various transmission channel frame according to the interface protocol and the VDSL local side apparatus (VTU-O) of base station controller end agreement situation is mapped to ATM cell (ATM Cell) or ethernet frame to various transmission channel frame respectively; Three kinds of situations of mapping are as follows: if the base station controller Iub interface is only supported atm interface, and VDSL local side apparatus network side is only supported atm interface, then select ATM protocol adaptor 401 to carry out the transmission of various transmission channel frame, ATM protocol adaptor 401 forms the AAL2 protocol Data Unit through the AAL2 protocol processes, the order that adds the ATM protocol headers again forms ATM cell, transfers to the transmission of VDSL transceiver; If the base station controller Iub interface is supported the IP pattern, VDSL local side apparatus network side is supported the Ethernet interface, then select IPOP protocol adaptor 403 to carry out the transmission of various transmission channel frame, IPOP protocol adaptor 403 is handled through udp protocol and is formed the udp data unit, transfers to the VDSL transceiver after the sequential processes through IP agreement formation ethernet frame again and transmits; If the base station controller Iub interface is only supported the IP pattern, and VDSL local side apparatus network side is only supported atm interface, then select IPOA protocol adaptor 402 to carry out various transmission channel frame transmission, IPOA protocol adaptor 402 is handled through udp protocol and is formed the udp data unit, after forming the sequential processes of ethernet frame through the IP protocol processes again, after forming ATM cell, the protocol processes of passing through IPOA (IP OverATM) again transfers to the transmission of VDSL transceiver.
ATM protocol adaptor 401, IPOA protocol adaptor and IPOP protocol adaptor in the transmsision protocol adaptor 301 not only will be finished the transmission of NBAP message and user data, also will finish the controlled function of transmission network.
Method shown in description of the invention accompanying drawing 7, the method of signal flow step 704 is: the ATM cell that step 702 produces or (with) ethernet frame delivers to VDSL transceiver 302, according to main control unit to the 200 initialization settings of VDSL coffret unit, the up carrying data of three class VDSL (wireless network control information, transmission network control information and user data) of flow process 702 are pooled soon at the VDSL transceiver, the slow channel Frame.Then, fast, slow channel Frame respectively by framing, scrambling, be modulated into the physical layer signal that is suitable for the twisted-pair feeder transmission and be sent to base station controller VDSL office method, apparatus (VTU-O), send to base station controller 106,107 by the VDSL local side apparatus then.
8 be described in detail a kind of base station equipment of the present invention receives data from base station controller (106) by the VDSL transmission method step in conjunction with the accompanying drawings now:
Method shown in description of the invention accompanying drawing 8, the method of signal flow step 800 is: the PMS-TC module 504 of VDSL coffret unit 200 and PMD module 505 demodulation from the twisted-pair feeder physical medium, descrambling goes out descending channel data frame at a slow speed soon, and then the VDSL transmission frame according to the agreement of system initialization demultiplex into ATM cell or (with) ethernet frame sends to VDSL transmsision protocol adaptor 302, submitting to more high-rise ATM cell or ethernet frame is to be determined by the host-host protocol that the Iub interface type and the VDSL local side apparatus network side interface type of base station controller are supported: if the Iub interface of base station controller supports atm interface and VDSL local side apparatus network side to support atm interface, then ATM cell is submitted to the ATM protocol adaptor; If the interface of base station controller Iub is supported the IP pattern, and VDSL local side apparatus network side is only supported atm interface, then ATM cell is submitted to the IPOA protocol adaptor; If the Iub interface of base station controller is supported the IP pattern, VDSL local side apparatus network side is all supported the Ethernet interface, then ethernet frame is submitted to the IPOP protocol adaptor;
Method shown in description of the invention accompanying drawing 8, the method of signal flow step 802 is: the ethernet frame that step 802 produces and (or) after ATM cell submitted to transmsision protocol adaptor, transmsision protocol adaptor was submitted to the wireless network protocol processor after according to the processing sequence opposite with 702 ATM cell or ethernet frame being adapted to NBAP protocol service data cell, user data frame; Wireless network protocol processor data unit demultiplexes into control information, Operation and Maintenance information and user data more respectively and gives basic base station control unit 215 or tape handling unit 207 respectively.
Claims (7)
1. the base station equipment (110) with VDSL coffret comprises radio frequency unit (201), base station control unit (215), baseband processing unit (207); It is characterized in that: also comprise VDSL coffret unit (200); Described VDSL coffret unit (200) is connected with baseband processing unit (207), base station control unit (215), outer twisted pairs physical transmission medium (213,214); Described radio frequency unit (207) is connected with antenna (201), base station control unit (215), baseband processing unit (207); Described baseband processing unit (207) is connected with radio frequency unit (207), base station control unit (215), VDSL coffret unit (200);
2. base station equipment as claimed in claim 1 is characterized in that: VDSL coffret unit (200) comprising: wireless network protocol processor (300), VDSL transmsision protocol adaptor (301), VDSL transceiver (302); Described wireless network protocol processor (300) is connected with baseband processing unit (207), VDSL transmsision protocol adaptor (301); Described VDSL transmsision protocol adaptor (301) is connected with wireless network protocol processor (300), VDSL transceiver (302); Described VDSL transceiver (302) is connected with VDSL transmsision protocol adaptor, twisted-pair feeder physical transmission medium (213,214);
3. as claim 1 and 2 described base station equipments, it is characterized in that the VDSL transmsision protocol adaptor comprises: ATM protocol adaptor (401); Described ATM protocol adaptor (401) is connected with ATM-TC (500) with wireless network protocol processor (300);
4. as claim 1 and 2 described base station equipments, it is characterized in that the VDSL transmsision protocol adaptor comprises: IPOA protocol adaptor (402); Described IPOA protocol adaptor (402) is connected with ATM-TC (500) with wireless network protocol processor (300);
5. base station equipment as claimed in claim 2 is characterized in that the VDSL transmsision protocol adaptor comprises: IPOP protocol adaptor (403); Described IPOP protocol adaptor (403) is connected with PTM-TC (501) with wireless network protocol processor (300);
6. a base station equipment comprises the following steps: by the method for VDSL transmission to base station controller transmission data
(1), the wireless network protocol processor of base station equipment becomes the Operation and Maintenance information multiplexing that will send to control information, user data and the base station of base station controller wireless network transmissions service data unit (SDU) to give VDSL transmsision protocol adaptor;
(2), the VDSL transmsision protocol adaptor of base station equipment according to the prior agreement of local side VDSL equipment (VTU-O) and base station controller, the wireless network protocol data cell be packaged into ATM cell or (with) ethernet frame gives the transmission of VDSL transceiver respectively;
(3), the VDSL transceiver of base station equipment the ATM cell of VDSL transmsision protocol adaptor or (with) ethernet frame is processed into the VDSL physical signalling and sends to local side VDSL equipment (VTU-O) by the twisted-pair feeder physical medium, the VDSL local side apparatus is transferred to base station controller again;
7. a base station equipment comprises the following steps: by the method for VDSL transmission from base station controller reception data
(1), the physical signalling demodulation that the local side VDSL equipment (VTU-O) that receives is sended over of the VDSL transceiver of base station equipment, be decoded into the VDSL transmission frame, again according to the prior agreement of local side VDSL equipment (VTU-O) and base station controller the VDSL transmission frame be processed into ATM cell or (with) ethernet frame sends to the VDSL transmsision protocol adaptor;
(2), the VDSL transmsision protocol adaptor of base station equipment according to the prior agreement of local side VDSL equipment (VTU-O) and base station controller the ATM cell of the VDSL transceiver transmission that receives or (with) ethernet frame is processed into the wireless network transmissions protocol Data Unit and sends to the wireless network protocol processor;
(3), the wireless network network protocol processor of base station equipment is the wireless transmission service data unit demultiplexing of receiving that control information, user data and Operation and Maintenance information send to base station control unit and baseband processing unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100701883A CN100484334C (en) | 2004-08-06 | 2004-08-06 | Radio honeycomb base station device with VDSL interface |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100701883A CN100484334C (en) | 2004-08-06 | 2004-08-06 | Radio honeycomb base station device with VDSL interface |
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| CN1589041A true CN1589041A (en) | 2005-03-02 |
| CN100484334C CN100484334C (en) | 2009-04-29 |
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| CNB2004100701883A Expired - Fee Related CN100484334C (en) | 2004-08-06 | 2004-08-06 | Radio honeycomb base station device with VDSL interface |
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Cited By (8)
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| WO2007062607A1 (en) * | 2005-12-03 | 2007-06-07 | Huawei Technologies Co., Ltd. | System and method for implement the interconnection of the dsl network and the wireless communication network |
| WO2008055383A1 (en) * | 2006-11-09 | 2008-05-15 | Zte Corporation | Umts-based dsl access system and method |
| WO2008067685A1 (en) * | 2006-12-04 | 2008-06-12 | Zte Corporation | A wireless communication apparatus and the configuration method thereof |
| CN100417137C (en) * | 2005-08-30 | 2008-09-03 | 华为技术有限公司 | Base station switching-in system and base station data transmitting method |
| CN101820307A (en) * | 2010-05-10 | 2010-09-01 | 哈尔滨工业大学 | Wireless communication module and wireless communication satellite using module |
| CN101404829B (en) * | 2008-11-17 | 2010-12-08 | 中兴通讯股份有限公司 | Abis access method and base station transceiver station |
| CN102300334A (en) * | 2011-03-30 | 2011-12-28 | 东方通信股份有限公司 | Method for accessing terminals of different standards in digital trunking communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100417137C (en) * | 2005-08-30 | 2008-09-03 | 华为技术有限公司 | Base station switching-in system and base station data transmitting method |
| US8111699B2 (en) | 2005-08-30 | 2012-02-07 | Huawei Technologies Co., Ltd. | Base station access system and base station data transmission method |
| WO2007062607A1 (en) * | 2005-12-03 | 2007-06-07 | Huawei Technologies Co., Ltd. | System and method for implement the interconnection of the dsl network and the wireless communication network |
| US8027321B2 (en) | 2005-12-03 | 2011-09-27 | Huawei Technologies Co., Ltd. | Method and system for interconnecting digital subscriber line network and radio communication network |
| CN1980295B (en) * | 2005-12-03 | 2011-12-28 | 华为技术有限公司 | Method for realizing interconnecting digit subscriber wire network and wireless communication network |
| WO2008055383A1 (en) * | 2006-11-09 | 2008-05-15 | Zte Corporation | Umts-based dsl access system and method |
| WO2008067685A1 (en) * | 2006-12-04 | 2008-06-12 | Zte Corporation | A wireless communication apparatus and the configuration method thereof |
| CN101404829B (en) * | 2008-11-17 | 2010-12-08 | 中兴通讯股份有限公司 | Abis access method and base station transceiver station |
| CN101820307A (en) * | 2010-05-10 | 2010-09-01 | 哈尔滨工业大学 | Wireless communication module and wireless communication satellite using module |
| CN101820307B (en) * | 2010-05-10 | 2013-07-03 | 哈尔滨工业大学 | Wireless communication module and wireless communication satellite using module |
| CN102300334A (en) * | 2011-03-30 | 2011-12-28 | 东方通信股份有限公司 | Method for accessing terminals of different standards in digital trunking communication system |
| CN102300334B (en) * | 2011-03-30 | 2014-12-10 | 东方通信股份有限公司 | Method for accessing terminals of different standards in digital trunking communication system |
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