WO2008025256A1 - Système et procédé d'insertion intégrés et module d'insertion intégré - Google Patents

Système et procédé d'insertion intégrés et module d'insertion intégré Download PDF

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Publication number
WO2008025256A1
WO2008025256A1 PCT/CN2007/002555 CN2007002555W WO2008025256A1 WO 2008025256 A1 WO2008025256 A1 WO 2008025256A1 CN 2007002555 W CN2007002555 W CN 2007002555W WO 2008025256 A1 WO2008025256 A1 WO 2008025256A1
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WIPO (PCT)
Prior art keywords
service
narrowband
broadband
module
interface
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PCT/CN2007/002555
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English (en)
French (fr)
Inventor
Haijun Wu
Hui Sheng
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Huawei Technologies Co., Ltd.
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Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to EP07800775A priority Critical patent/EP2056573B1/en
Priority to AT07800775T priority patent/ATE533281T1/de
Priority to ES07800775T priority patent/ES2375414T3/es
Publication of WO2008025256A1 publication Critical patent/WO2008025256A1/zh
Priority to US12/364,813 priority patent/US8385327B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • 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
    • 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]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1023—Media gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13039—Asymmetrical two-way transmission, e.g. ADSL, HDSL
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13106—Microprocessor, CPU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1319—Amplifier, attenuation circuit, echo suppressor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13196—Connection circuit/link/trunk/junction, bridge, router, gateway
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13213—Counting, timing circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292—Time division multiplexing, TDM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13299—Bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13335—Simulation, emulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13348—Channel/line reservation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13389—LAN, internet

Definitions

  • the present invention relates to the field of access technologies in communications, and in particular, to an access system, method, and device. Background technique
  • access systems are generally classified into a broadband access system, a narrowband access system, and an integrated access system, which are separately described below.
  • Broadband access systems such as DSLAM (Digital Subscriber Line Access Multiplexer), use a broadband backplane bus-based design that supports broadband service interfaces on the user side, such as ADSL (Asymmetric Digital Subscriber Line), VDSL ( Very high bit rate digital subscriber line), GPON' (Gigabit Passive Optical Network), etc.
  • ADSL Asymmetric Digital Subscriber Line
  • VDSL Very high bit rate digital subscriber line
  • GPON' Gigabit Passive Optical Network
  • the current DSLAM access system has two main forms: ATM DSLAM (Asynchronous Transfer Mode Digital Subscriber Line Access Multiplexer) and IP DSLAM (IP Digital Subscriber Line Access Multiplexer).
  • the ATM DSLAM is a broadband access system with ATM (Asynchronous Transfer Mode) connection exchange as the core
  • the IP DSLAM is an access system with VLAN (Virtual Local Area Network) + MAC (Interface Access Control) or IP routing exchange as the core.
  • VLAN Virtual Local Area Network
  • MAC Interface Access Control
  • IP routing exchange IP routing exchange
  • the user interface board provides external access interfaces for users. Different user interface boards provide different access modes, which can be one or more of ADSL, VDSL, Ethernet, G.shdsl, and so on.
  • the broadband access system can provide multiple user interface boards. For this purpose, the user interface board is numbered by slot number, starting from 0 or 1, and multiple user access lines can be provided on one user interface board. Wife mouth, such as 16, 24, 48, etc., these line interfaces are also unified addressing, starting from 0 or 1.
  • the main control system part provides the control and management functions of this broadband access system.
  • the switching system part provides traffic aggregation and processing functions for the entire broadband access system, and provides a network. Network side interface.
  • the backplane system provides connectivity and communication between the above systems.
  • the current narrowband access products such as ONU (Fiber Network Element) are based on a TDM (Time Division Multiple Access) backplane bus design that supports POTS (Traditional Telephony) interfaces and ISDN (Integrated Services Digital Network).
  • a narrowband service interface such as an interface, if combined with the architecture of a broadband access device, is called an integrated access device.
  • integrated access devices such as MSAN (Multi-Service Access Point) or MSAP (Multi-Service Access Platform) or NG DLC (Next-Generation Digital Loop Carrier) devices, TDM backplane bus and GE (Gigabit) are mainly used. Ethernet)
  • the backplane bus supports both ways to support different service interfaces.
  • the existing pure narrowband access system does not include a packet control and switching module and a broadband service interface, and only provides a TDM-based narrowband backplane bus, and a wide and narrowband integrated access system, such as an MSAN service system, according to the above description, provides Based on the narrowband TDM backplane bus and the broadband-based GE backplane bus, the structure is shown in Figure 2.
  • the functions provided by each module are as follows:
  • the TDM control and switching module utilizes a TDM switching network to implement traffic aggregation and exchange of various narrowband service data, and the narrowband service data is sent to the network side through a network interface such as E1 through a TDM control and switching module;
  • the packet voice processing module converts the voice service stream into an IP packet and accesses the NGN (Next Generation Network) through the voice codec mode.
  • the voice service data is processed by the TDM control and switching module to the packet voice processing module, and can pass through the FE.
  • the /GE network interface is sent to the network side; or sent to the network side through the E1 network interface; or after the service data traffic is aggregated and exchanged through the packet control and switching module, it is sent to the network side through the FE/GE network interface;
  • the packet control and switching module implements traffic aggregation and exchange of various broadband service data through the packet switching network, and transmits the broadband service data to the network side via the FE/GE network interface;
  • the network interface module provides network interfaces such as FE (Fast Ethernet) optical/electrical interfaces and GE optical interfaces to broadband multi-service aggregation devices or other upper-layer network devices.
  • FE Fast Ethernet
  • GE GE optical interfaces
  • Service interface module set user interface board, provides various wide and narrowband service access interfaces, including POTS, ISDN BRI (2B+D), ISDN PRI (30B+D), V.24 subrate, V.24 / V.35 64kbit/s, V.35 / FEl N x 64kbit/s> El, ADSL, ADSL2+, SHDSL (TDM/ATM), Ethernet, 2/4-wire audio interfaces, etc., directly provide access to multiple services.
  • POTS public switched telephone network
  • ISDN BRI (2B+D) ISDN PRI
  • V.24 subrate V.24 / V.35 64kbit/s
  • ADSL, ADSL2+, SHDSL (TDM/ATM), Ethernet, 2/4-wire audio interfaces, etc. directly provide access to multiple services.
  • the above-mentioned integrated access device is not used.
  • the existing technology solutions for providing broadband services and narrowband services it is necessary to add a GE or 10GE broadband bus on the backplane and increase the narrowband bus, which increases the implementation cost of the system, and is mainly in the current broadband service. Under, it is not conducive to the expansion of the system.
  • An embodiment of the present invention provides an access system, a method, and a device, which are used to solve the problem of superimposing a broadband backplane bus and a narrowband bus in a solution for providing broadband services and narrowband services in the prior art. .
  • a broadband service interface module providing a broadband service interface
  • a narrowband service interface module providing a narrowband service interface
  • a master switching interface module
  • the main control switching interface module is provided with a broadband service switching module that provides a broadband uplink interface, and a narrowband service processing module that provides a narrowband uplink interface and performs narrowband service data processing;
  • the broadband service switching module and the broadband service interface module are connected through a broadband bus, process broadband service data, and communicate with the network side through the broadband uplink interface;
  • the broadband service switching module and the narrowband service interface module are connected to the broadband bus, and the narrowband service data is aggregated and exchanged, and the broadband uplink interface of the broadband service switching module is connected to the network side; or the narrowband service processing module is used.
  • the narrowband uplink interface is connected to the network side.
  • the embodiment of the invention further provides an access method, including:
  • the broadband service data is accessed through the broadband service interface module and sent to the broadband service switching module via the broadband bus. After being processed by the broadband service switching module, it is sent to the network side through the broadband uplink interface.
  • the narrowband service data is accessed through the narrowband service interface module.
  • the broadband bus is sent to the broadband service switching module, and after being processed by the broadband service, it is sent to the network side via the broadband uplink interface, or
  • the narrowband service processing module performs narrowband service processing and is sent to the network side through the narrowband uplink interface.
  • the embodiment of the invention further provides a main control switching interface module, a broadband service switching module with a broadband uplink interface, and a narrowband service processing module with a narrowband uplink interface;
  • the broadband service switching module receives the broadband service data and the narrowband service data through the broadband bus, and processes the broadband service data and sends the broadband service data to the network side through the broadband uplink interface;
  • the broadband service switching module processes the narrowband service data, and sends the processed narrowband service data to the network side through the broadband uplink interface; or sends the processed narrowband service data to the narrowband service processing module, where the narrowband service processing module
  • the received narrowband service data is processed and sent to the network side through the narrowband uplink interface.
  • the embodiment of the present invention further provides a user interface board, including: a broadband service interface board and a narrowband service interface board; the broadband service interface board receives broadband service data, and sends the data to the broadband service switching module through the broadband bus, where the narrowband service is The interface board receives the narrowband service data and sends the broadband service switch module to the broadband service switching module.
  • a user interface board including: a broadband service interface board and a narrowband service interface board; the broadband service interface board receives broadband service data, and sends the data to the broadband service switching module through the broadband bus, where the narrowband service is The interface board receives the narrowband service data and sends the broadband service switch module to the broadband service switching module.
  • the backplane adopts a broadband bus, and can access the narrowband service and the broadband service at the same time, and simultaneously supports the V5.2 TDM uplink, VoIP (IP voice service) uplink, broadband interface uplink, the same user board does not need to be replaced, can achieve VoIP processing distributed to the interface board.
  • the technical solution provided by the embodiment of the present invention can implement dual-core processing of VoIP + TDMoP (TDM service based on packet network), and implements according to service configuration, thereby greatly reducing the complexity of service processing and reducing the cost of system implementation.
  • VoIP + TDMoP TDM service based on packet network
  • the user interface board with the core processing capability is designed on the narrowband service interface module provided by the embodiment of the present invention, which has the VoIP capability and the TDMoP capability, and is directly based on the service configuration.
  • the user port performs mode switching.
  • the chip function requirements of the user interface board can be integrated into the same service processing chip on the user interface board.
  • the chip has dual-core processing capability, but only the broadband interface and the narrowband user-side interface are externally provided.
  • FIG. 1 is a schematic structural diagram of a broadband access device in the prior art
  • FIG. 2 is a schematic structural diagram of an integrated access device based on a narrow 'band TDM backplane bus and a broadband-based GE backplane bus in the prior art;
  • FIG. 3 is a schematic structural diagram of an access device according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a narrowband service interface module according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a voice service packet processing module according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a circuit simulation service packet processing module according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a distribution processing module according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of a connection of an integrated narrowband service interface module in a system according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a protocol processing module according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic flowchart of a method for accessing a wide and narrowband service according to an embodiment of the present invention. detailed description
  • the embodiment of the present invention provides a broadband access device architecture that flexibly supports narrowband services and an implementation scheme of the narrowband service interface module involved.
  • the overall structure of the access device under the solution is shown in FIG. 3, which can be seen from FIG.
  • the structure of the main control switch interface module 10, the backplane 20, and the user interface board 30 are modified.
  • the embodiment of the present invention changes the main control switch interface module 10 and the user interface board 30 to form a new one.
  • a broadband service switching module 110 for providing a broadband uplink interface a narrowband service processing module 120 for providing a narrowband uplink interface and performing narrowband service data processing, and a protocol processing module 130 for processing wide and narrowband protocols are provided.
  • a clock module 140 that provides a system clock reference; in the foregoing solution, the broadband uplink interface may be an Ethernet Uplink (Ethernet uplink), and the narrowband uplink interface is a TDM Uplink (TDM uplink).
  • a broadband service interface module 310 providing a broadband service interface, and a narrowband service interface module 320 providing a narrowband service interface are provided;
  • the broadband service interface module 310 and the narrowband service interface module 320 provided by the embodiments of the present invention are all connected to the broadband service switching module 110 through a broadband bus.
  • the backplane portion only uses a broadband bus, and is different from the existing integrated access scheme in which the backplane portion uses a broadband backplane bus and a narrowband backplane bus coexistence.
  • the above broadband bus can use a Gigabit Ethernet service bus, a Fast Ethernet service bus or a 10 Gigabit Ethernet service bus.
  • the clock module 140 is connected to the above parts of the system, and provides a clock reference of the entire system.
  • the clock signal is output from the clock module 140 of the main control switching interface module 10 to each part of the entire system that requires a clock as a unified reference clock and clock.
  • the input of the source may be a BITS clock accessed from the network or an E1 or data service recovery clock, etc., or it may be a self-oscillation generated clock. All of the above functions are performed by the clock module 140, and a clock line is provided on the backplane to transfer the clock to each of the required interface boards.
  • the broadband service interface module 310 can be set up in the same manner as the broadband service interface module in the prior art, and will not be described in detail in this embodiment.
  • the narrowband service interface module 320 is configured for the narrowband service type to be accessed.
  • FIG. 4 it is a schematic structural diagram of the narrowband service interface module 320 according to the embodiment of the present invention. , it is set as follows: '
  • the voice service packet processing module 321 performs voice service packetization/de-packetization processing on the narrowband service data.
  • the voice service packet processing module is usually an IP voice service. Packet processing module;
  • the circuit emulation service packet processing module 322 performs circuit emulation service data packetization/de-packetization processing on the narrowband service data, the packetization/de-packetization processing, and the narrowband service processing module 120 set in the main control switching interface module 10.
  • the narrowband business processing performed is corresponding;
  • the bus interface module 323 is connected to the voice service packet processing module and the circuit emulation service packet processing module to provide a broadband bus interface to the broadband service switching module;
  • the distribution processing module 324 distributes the narrowband service data to the voice service packet processing module 321 or the circuit emulation service packet processing module 322 according to the access narrowband service attribute;
  • the broadband service and the narrowband service accessed by the user are respectively processed as follows:
  • the broadband service accessed by the broadband service interface module 310 is connected to the broadband service switching module 110 through the broadband bus, and after the broadband service switching module 110 performs aggregation and exchange of the broadband service data, the broadband uplink interface of the broadband service switching module 110 is adopted.
  • the process is similar to the broadband service processing in the prior art, and is not described in detail here.
  • the narrowband service accessed by the narrowband service interface module 320 is distributed to the voice service packet processing module 321 or the circuit simulation service packet processing module 322 according to the narrowband service attribute at the distribution processing module 324, and corresponding packetization processing is performed.
  • the broadband bus is sent to the broadband service switching module 110, which is specifically:
  • the voice service packet processing module 321 performs voice service packetization/de-packetization processing on the narrowband service data, and uses a voice coding method such as G711 for the VoIP service, and after the IP voice service data is added to the Ethernet packet header, Complete packetization processing of the VoIP service data to form a data packet sent to the broadband service switching module 110;
  • the circuit emulation service packet processing module 322 performs packet embedding service data packetization/de-packetization processing on the narrowband service data, and encapsulates the TDM voice service data of a port into a packet packet, and the encapsulated packet for the TDMoP voice service.
  • the message destination is the master switching interface module 10
  • the narrowband service processing module 120 is restored to the TDM voice service data in the narrowband service processing module 120, and after the time slot is crossed, it is sent to the network side through the narrowband uplink interface, and is processed similarly in the downlink direction.
  • the narrowband service data to be accessed can be classified in the broadband service switching module 110:
  • the IP voice service data is sent to the network side through the broadband uplink interface after being aggregated and exchanged by the broadband service switching module 110, and the TDMoP service data is aggregated and exchanged by the broadband service switching module 110 after the packetization process.
  • the packet is directly sent to the narrowband service processing module 120, and the narrowband service processing module 120 performs a deblocking process on the packet processed narrowband service data, and restores the original TDMoP service data to the network side through the narrowband uplink interface. .
  • the voice service packet processing module 321 may further include the content shown in FIG. 5 for various service needs:
  • the RTP protocol processing module 3211 is configured to perform RTP protocol processing on the IP voice service data
  • the voice service packetization/de-packetization processing module 3212 is configured to perform packetization/de-packetization processing on the IP voice service data.
  • the voice codec processing module 3213 is configured to perform voice codec processing on the IP voice service data
  • the jitter buffer processing module 3214 is configured to perform jitter buffer processing on the IP voice service data.
  • the echo cancellation module 3215 is configured to perform echo cancellation processing on the IP voice service data
  • the packet loss compensation module 3216 is configured to perform packet loss compensation processing on the IP voice service data.
  • ATM AAL1 technology is a mature TDM circuit simulation technology implemented on a packet network.
  • IP Ethernet TDM circuit simulation can be implemented in a similar way.
  • the IETF PWE3 working group is responsible for researching various end-to-end emulation services on the packet network, including Frame Relay, ATM, SDH, and so on.
  • the PWE3 standard defines interfaces, timing, OAM, application scenarios, and package grids for each type of service that requires simulation. Style.
  • the main standardization is the PWE3 architecture definition.
  • the tunnel encapsulation technology adopted by the PWE3 group includes IP, L2TP or MPLS.
  • the PWE3 group is also working closely with other organizations to improve the tunnel encapsulation technology, and cooperates with the CCAMP group to improve the establishment and management of the tunnel.
  • circuit emulation service packet processing module 322 in the solution of the embodiment of the present invention further includes:
  • the first circuit emulation service packetization/de-packetization processing module 3221 is configured to perform packetization/de-packetization processing on the transmitted/receive narrowband service data;
  • the CESoPSN protocol processing module 3222 is configured to perform CESoPSN protocol processing on the narrowband service data.
  • the CESoETH protocol processing module 3223 is configured to perform CESoETH protocol processing on narrowband service data.
  • the narrowband service processing module 120 is provided with: a second circuit emulation service packetization/de-packetization module 121, for narrowband transmitted/received by the broadband service switching module 110.
  • a second circuit emulation service packetization/de-packetization module 121 for narrowband transmitted/received by the broadband service switching module 110.
  • Business data packetization/de-packetization processing is provided.
  • the narrowband service processing module 120 further includes:
  • the narrowband service convergence or exchange processing module 122 is configured to perform convergence or exchange processing on the narrowband service data.
  • FIG. 8 it is a schematic structural diagram of the distribution processing module 324.
  • the distribution processing module 324 is provided with a narrowband service user attribute storage module 3241 for storing user configuration information, and according to the user configuration information, The narrowband service data is sent to the voice service packet processing module 321 or the circuit emulation service packet processing module 322.
  • the design of the narrowband service interface module 320 in the solution of the embodiment of the present invention may be completed by using separate components, or a single chip may be used to integrate the above functions.
  • the chip has at least the following functions:
  • the external data interface can be a dual-port backup or a single port.
  • the integrated narrowband service interface module is connected in the system.
  • the setting shown in FIG. 10 can be performed in the protocol processing module 130: an H.248 protocol processing module 131 for processing the H.248 protocol;
  • a SIP protocol processing module 132 configured to process a SIP protocol
  • the V5 protocol processing module 133 is configured to process the V5 protocol.
  • the GR303 protocol processing module 134 is configured to process the GR303 protocol.
  • the data service uplink interface is provided by the broadband service switching module 110, and the narrowband service uplink interface is provided by the narrowband service processing module 120, and the broadband uplink interface can adopt the uplink, narrow band of GE, 10GE, etc.
  • the uplink interface is T1/E3, T1/T3, STM-N, SDH, etc., and the narrowband protocol supports uplinks such as V5.2 or GR303.
  • the solution of the embodiment of the present invention implements the narrowband uplink service after the distributed VoIP processing at a low cost, and does not need to implement the reverse processing of the VoIP on the main control switching interface module 10; at the same time, the processing of VoIP + TDMoP implemented by a single chip can be adopted. Reduce the complexity of the interface board.
  • FIG. 11 it is a schematic diagram of a method for performing integrated access by using the integrated access system according to the embodiment of the present invention.
  • the scheme performs different access processing for the broadband service and the narrowband service respectively:
  • the broadband service data is accessed through the broadband service interface module and sent to the broadband service switching module on the main control switching interface module via the broadband bus. After being aggregated and exchanged by the broadband service switching module, the broadband service switching module sends the broadband service interface to the network side.
  • the narrowband service data is accessed through the narrowband service interface module and sent by the broadband bus to the broadband service switching module on the main control switching interface module. After the broadband service switching module is aggregated and exchanged:
  • the narrowband service processing module performs narrowband service processing and is sent to the network side via the narrowband uplink interface. ⁇
  • the narrowband service data of the foregoing solution is accessed through the narrowband service interface module, according to the access narrowband
  • the service attribute classifies the narrowband service data into a narrowband service that needs to perform packetization processing of the voice service and a narrowband service that needs to perform packetization processing of the circuit simulation service data. And corresponding processing of the corresponding business data:

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Shearing Machines (AREA)

Description

一种接入系统、 方法及设备 技术领域
本发明涉及通信中接入技术领域， 尤其涉及一种接入系统、 方法及设备。 背景技术
目前接入系统一般分为宽带接入系统、 窄带接入系统和综合接入系统， 下 面分别进行说明。
宽带接入系统， 如 DSLAM (数字用户线接入复用器）等采用的是基于宽 带背板总线的设计方案， 在用户侧支持宽带业务接口， 如 ADSL (非对称数字 用户线）、 VDSL (极高位速率数字用户线）、 GPON' (千兆无源光网络）等。 以 DSLAM为例， 现在的 DSLAM接入系统主要有两种形态： ATM DSLAM (异 步传输模式数字用户线接入复用器）和 IP DSLAM ( IP数字用户线接入复用器）。 其中 ATM DSLAM是以 ATM(异步传输模式）连接交换为核心的宽带接入系统， 而 IP DSLAM是以VLAN (虚拟局域网） +MAC (介盾访问控制）或者 IP路由交 换为核心的接入系统。 不论上述哪种形态的宽带接入系统， 从结构上可以分为 两种， 包括框式的宽带接入设备和盒式的宽带接入设备， 两者都是由四个部分 组成： 主控系统部分、 交换系统部分， 用户接口部分、 背板连接系统部分， 如 图 1所示， 是该宽带接入设备的结构示意图。 其中：
用户接口板部分对外提供用户的接入接口， 不同的用户接口板提供不同的 接入方式， 可以是 ADSL、 VDSL, 以太网、 G.shdsl等的一种或者多种。 宽带接 入系统可以提供多个用户接口板， 为此用户接口板釆用槽位号的方式进行编 号，从 0或者 1开始，而在一块用户接口板上可以提供多个用户接入的线^妻口， 比如 16、 24、 48等等， 这些线路接口也是统一编址， 从 0或者 1开始。
主控系统部分提供这个宽带接入系统的控制和管理功能。
交换系统部分提供了整个宽带接入系统的流量汇聚和处理功能， 并提供网 絡侧接口。
背板系统提供了以上系统之间的连接和通信功能。
而目前的窄带接入产品， 例如 ONU (光纤网络单元)主要的架构采用的是基 于 TDM (时分多址）背板总线的设计方案， 支持 POTS (传统电话）接口、 ISDN (综合业务数字网）接口等窄带业务接口， 如果结合宽带接入设备的架构， 则 称之为综合接入设备。 在这些综合接入设备， 如 MSAN (多业务接入点）或者 MSAP (多业务接入平台）或者 NG DLC (下一代数字环路载波）设备， 主要 采用了 TDM背板总线和 GE (千兆以太网） 背板总线同时支持的方式来支持不 同的业务接口。
现有的纯窄带接入系统不含分组控制和交换模块以及宽带业务接口， 只提 供基于 TDM的窄带背板总线，而宽窄带综合的接入系统，如 MSAN业务系统， 根据上面介绍可知， 提供基于窄带的 TDM背板总线和基于宽带的 GE背板总 线， 其结构示意如图 2所示， 各个模块提供的功能如下：
TDM控制和交换模块，利用 TDM交换网实现各种窄带业务数据的流量汇 聚和交换， 窄带业务数据经 TDM控制和交换模块， 通过 E1等网络接口发送 至网络侧；
分组语音处理模块通过语音编解码方式， 将语音业务流转换成 IP 包， 接 入 NGN (下一代网络）； 其中语音业务数据经 TDM控制和交换模块交换至分 组语音处理模块处理后， 可以经过 FE/GE 网络接口发送至网络侧； 或者通过 E1 网络接口发送至网络侧； 或者经分组控制和交换模块进行业务数据流量汇 聚和交换后， 经 FE/GE网络接口发送至网络侧；
分组控制和交换模块通过分組交换网， 实现各种宽带业务数据的流量汇聚 和交换， 将宽带业务数据经 FE/GE网络接口发送至网络侧；
网络接口模块提供 FE (快速以太网）光 /电接口、 GE光接口等网络接口上 行至宽带多业务汇聚设备或者其他上层网络设备。
业务接口模块， 设置用户接口板， 提供各种宽窄带业务接入接口， 包括 POTS, ISDN BRI ( 2B+D ), ISDN PRI ( 30B+D )、 V.24子速率、 V.24 / V.35 64kbit/s、 V.35 / FEl N x 64kbit/s> El、 ADSL, ADSL2+、 SHDSL ( TDM/ATM )、 Ethernet, 2/4线音频接口等， 直接提供多种业务的接入。
在目前纯宽带接入系统， 不釆用上述综合接入的设备形态， 背板上只有宽 带业务总线， 如 GE或者 10GE背板总线， 这样将导致无法支持窄带业务。 而 现有的在同时提供宽带业务和窄带业务技术方案上， 需要在背板上设置 GE或 者 10GE宽带总线的同时增加窄带总线， 这样会增加了系统的实现成本， 在当 前宽带业务为主的情况下， 不利于系统的扩展。
另外， 现有接入系统的用户业务接口部分， 不能根据用户接入业务性质进 行灵活的分配。 发明内容
本发明实施例提供一种接入系统、 方法及设备， 用以解决现有技术中存在 的在同时提供宽带业务和窄带业务接入技术方案中， 需要叠加设置宽带背板总 线与窄带总线的问题。
本发明实施例接入系统包括：
提供宽带业务接口的宽带业务接口模块、提供窄带业务接口的窄带业务接 口模块， 以及主控交换接口模块，
所述主控交换接口模块，设置有提供宽带上行接口的宽带业务交换模块和 提供窄带上行接口并进行窄带业务数据处理的窄带业务处理模块；
所述宽带业务交换模块与所述宽带业务接口模块通过宽带总线相连，对宽 带业务数据进行处理， 并通过所述宽带上行接口与网络侧通信；
所述宽带业务交换模块与所述窄带业务接口模块通过所述宽带总线相连， 对窄带业务数据进行汇聚与交换，通过宽带业务交换模块的宽带上行接口与网 络侧联通； 或经窄带业务处理模块的窄带上行接口与网络侧联通。
本发明实施例还提供了一种接入方法， 包括： 宽带业务数据通过宽带业务接口模块接入， 经宽带总线发送至宽带业务交 换模块， 由宽带业务交换模块处理后， 通过宽带上行接口发送至网络侧； 窄带业务数据通过窄带业务接口模块接入， 由宽带总线发送至宽带业务交 换模块， 经宽带业务交换处理后， 经宽带上行接口发送至网络侧， 或
由窄带业务处理模块进行窄带业务处理， 经窄带上行接口发送至网络侧。 本发明实施例还提供了一种主控交换接口模块， 具有宽带上行接口的宽带 业务交换模块和具有窄带上行接口的窄带业务处理模块；
所述宽带业务交换模块通过宽带总线接收宽带业务数据和窄带业务数据， 对所述宽带业务数据进行处理后通过所述宽带上行接口发送至网络侧；
所述宽带业务交换模块对所述窄带业务数据进行处理， 通过所述宽带上行 接口发送至网络侧； 或将处理后的窄带业务数据发送至所述窄带业务处理模 块， 所述窄带业务处理模块将所接收到的窄带业务数据处理后通过所述窄带上 行接口发送至网络侧。
本发明实施例还提供了一种用户接口板， 包括： 宽带业务接口板和窄带业 务接口板； 所述宽带业务接口板接收宽带业务数据， 通过宽带总线发送至宽带 业务交换模块， 所述窄带业务接口板接收窄带业务数据， 通过所述的宽带总线 发送至所述的宽带业务交换模块。
本发明实施例提供的接入系统、 主控交换接口模块、 用户接口板及方法方 案中， 背板采用宽带总线， 同时可以接入窄带业务和宽带业务， 并且上行同时 支持 V5.2 TDM上行、 VoIP ( IP语音业务）上行、 宽带接口上行， 用户板相同 不需要更换的系统， 可实现分布到接口板的 VoIP处理。
本发明实施例提供的技术方案可以实现 VoIP + TDMoP (基于分组网的 TDM业务） 双核处理， 根据业务配置实现， 从而大大降低了业务处理的复杂 度， 降低了系统实现的成本。
本发明实施例提供的窄带业务接口模块上 ,设计了具备 核处理能力的用 户接口板， 具备 VoIP能力， 还具备 TDMoP的能力， 根据业务配置直接基于每 个用户端口进行模式切换， 该用户接口板的芯片功能要求， 可以集成到用户接 口板上同一个业务处理芯片上， 该芯片具备双核处理能力， 但是对外只有宽带 接口和窄带用户侧接口。 附图说明
图 1为现有技术中的宽带接入设备的结构示意图；
图 2为现有技术中基于窄 '带的 TDM背板总线和基于宽带的 GE背板总线 的综合接入设备结构示意图；
图 3为本发明实施例提供的接入设备总体结构示意图；
图 4为本发明实施例提供的窄带业务接口模块示意图；
图 5为本发明实施例提供的语音业务分组处理模块结构示意图； 图 6为本发明实施例提供的电路仿真业务分组处理模块结构示意图； 图 Ί为本发明实施例提供的窄带业务处理模块结构示意图；
图 8为本发明实施例提供的分发处理模块结构示意图；
图 9为本发明实施例提供的集成后的窄带业务接口模块在系统中的连接示 意图；
图 10为本发明实施例提供的协议处理模块的结构示意图；
-图 11为本发明实施例提供的宽窄带业务接入方法流程示意图。 具体实施方式
下面结合说明书附图来说明本发明采用的实施例的具体实施方式。
本发明实施例提供了一种灵活支持窄带业务的宽带接入设备架构以及涉 及到的窄带业务接口模块的实现方案，该方案下的接入设备总体结构如图 3所 示， 从图 3中可见， 其结构与现有技术的架构类似， 主要包括主控交换接口模 块 10、 背板 20和用户接口板 30, 本发明实施例在主控交换接口模块 10和用 户接口板 30予以改动， 形成新的技术方案。 在主控交换接口模块 10上， 设置有提供宽带上行接口的宽带业务交换模 块 110, 提供窄带上行接口并进行窄带业务数据处理的窄带业务处理模块 120, 处理宽、窄带协议的协议处理模块 130,以及提供系统时钟参考的时钟模块 140; 上述方案中宽带上行接口可以是 Ethernet Uplink (以太网上行）， 窄带上行接口 为 TDM Uplink ( TDM上行）。
在用户接口板 30 部分， 设置有提供宽带业务接口的宽带业务接口模块 310、 提供窄带业务接口的窄带业务接口模块 320;
与现有技术综合接入方案不同， 本发明实施例提供的上述宽带业务接口模 块 310和窄带业务接口模块 320都通过宽带总线与宽带业务交换模块 110相连。 该背板部分只采用宽带总线， 而并不同于现有的综合接入方案中背板部分采用 宽带背板总线和窄带背板总线共存的方案。
上述宽带总线可以采用千兆以太网业务总线、 快速以太网业务总线或万兆 以太网业务总线。
上述时钟模块 140与系统上述各部分相连， 提供了整个系统的时钟参考， 时钟信号从主控交换接口模块 10的时钟模块 140输出到整个系统每个需要时 钟的部分， 作为统一的参考时钟， 时钟源的输入可以是从网络接入的 BITS时 钟或者 E1或者数据业务恢复时钟等等， 也可以是本身的自震荡产生的时钟。 以上功能都由时钟模块 140完成， 同时在背板上提供时钟线， 将时钟传送到需 要的每个接口板。
上述宽带业务接口模块 310可以与现有技术中宽带业务接口模块同样设 置， 本实施例中不予详述。
上述窄带业务接口模块 320， 在本发明实施例方案中， 针对要接入的窄带 业务类型进行设置， 如图 4所示， 是本发明实施例窄带业务接口模块 320的结 构示意图， 从图中可见， 其设置如下功能模块： '
语音业务分组处理模块 321 ,对窄带业务数据进行语音业务分组化 /去分组 化处理； 在实际的设计方案中, 通常该语音业务分组处理模块为 IP语音业务 分組处理模块；
电路仿真业务分组处理模块 322, 对窄带业务数据进行电路仿真业务数据 分组化 /去分组化处理， 该分组化 /去分组化处理， 与主控交换接口模块 10中设 置的窄带业务处理模块 120所进行的窄带业务处理是相对应的；
总线接口模块 323 , 与语音业务分组处理模块和电路仿真业务分组处理模 块相连， 提供到宽带业务交换模块的宽带总线接口；
分发处理模块 324, 根据接入窄带业务属性将窄带业务数据分发至语音业 务分组处理模块 321或电路仿真业务分组处理模块 322;
根据上述宽带接入设备的总体结构，对自用户接入的宽带业务和窄带业务 分别作如下处理：
自宽带业务接口模块 310接入的宽带业务， 通过宽带总线接入至宽带业务 交换模块 110, 经宽带业务交换模块 110作宽带业务数据的汇聚与交换后， 通 过宽带业务交换模块 110的宽带上行接口发送至网络侧， 而对于网络侧下行的 业务处理过程与此类似处理， 上述过程与现有技术中的宽带业务处理类似, 在 此不再详述。
自窄带业务接口模块 320接入的窄带业务，在分发处理模块 324处根据窄 带业务属性分别分发至语音业务分组处理模块 321或电路仿真业务分組处理模 块 322, 进行对应的分组化处理后， 再通过宽带总线发送至宽带业务交换模块 110, 具体为:
在语音业务分组处理模块 321，对窄带业务数据进行语音业务分组化 /去分 组化处理， 针对 VoIP业务， 采用 G711等语音编码方式， 在将 IP语音业务数 据加上以太网报文头等处理后， 完成 VoIP业务数据的分组化处理， 形成发往 宽带业务交换模块 110的数据报文；
针对电路仿真业务分组处理模块 322, 对窄带业务数据进行电路仿真业务 数据分组化 /去分组化处理， 针对 TDMoP话音业务， 将某个端口的 TDM话音 业务数据封装为分组报文， 封装后的分组报文目的地是主控交换接口模块 10 的窄带业务处理模块 120, 在窄带业务处理模块 120还原为 TDM话音业务数 据， 完成时隙交叉后， 通过窄带上行接口发送到网络侧， 而在下行方向与此类 似处理。
通过在窄带用户接口模块 320中的上述处理，便可以在宽带业务交换模块 110中对接入的窄带业务数据进行分类处理：
针对 IP语音业务数据， 在通过宽带业务交换模块 110进行业务汇聚与交 换后 , 直接通过宽带上行接口发送至网络侧， 而分组化处理后 TDMoP业务数 据则通过宽带业务交换模块 110汇聚与交换后， 直接发送至窄带业务处理模块 120, 在窄带业务处理模块 120,对分组处理后的窄带业务数据迸行一次去分组 化处理， 恢复到最初的 TDMoP业务数据后， 直接通过窄带上行接口发送至网 络侧。
上述方案中， 针对各种业务需要， 语音业务分组处理模块 321可以进一步 包括如图 5所示的内容：
RTP协议处理模块 3211 , 用于对 IP语音业务数据进行 RTP协议处理； 语音业务分组化 /去分组化处理模块 3212, 用于对 IP语音业务数据进行分 组化 /去分组化处理；
语音编解码处理模块 3213 ,用于对 IP语音业务数据进行语音编解码处理； 抖动緩存处理模块 3214， 用于对 IP 语音业务数据进行抖动緩存处理
( JitterBuffer );
回波抵消模块 3215, 用于对 IP语音业务数据进行回波抵消处理； 丟包补偿模块 3216, 用于对 IP语音业务数据进行丟包补偿处理。
电路仿真技术有很多具体方案， 例如 ATM AAL1技术就是一种成熟的在 分组网络上实现的 TDM电路仿真技术， 同样在 IP Ethernet上， 也可以用类似 的方法实现 TDM电路仿真。而 IETF PWE3工作组负责研究在包网络上承载各 种端到端的仿真业务， 包括帧中继、 ATM、 SDH等。 PWE3标准针对每种需要 仿真的业务详细定义了各种情况下的接口、 定时、 OAM、 应用场景和封装格 式。 目前已经标准化的主要是 PWE3架构定义。 PWE3组采用的隧道封装技术 包括了 IP、 L2TP或 MPLS， PWE3組还在和其它组织密切合作完善隧道封装 技术， 在控制平面和 CCAMP组合作， 完善隧道的建立和管理。
针对需要， 如图 6所示， 本发明实施例方案中的电路仿真业务分组处理模 块 322进一步包括：
第一电路仿真业务分组化 /去分组化处理模块 3221 , 用于将发送 /接收的窄 带业务数据进行分组化 /去分组化处理；
CESoPSN协议处理模块 3222, 用于对窄带业务数据进行 CESoPSN协议 处理；
CESoETH协议处理模块 3223 , 用于对窄带业务数据进行 CESoETH协议 处理。
与此相对应， 如图 7所示， 在所述窄带业务处理模块 120设置有： 第二电路仿真业务分组化 /去分组化模块 121， 用于将经宽带业务交换模块 110发送 /接收的窄带业务数据分组化 /去分组化处理。
针对需要， 窄带业务处理模块 120进一步包括：
窄带业务收敛或交换处理模块 122, 用于对窄带业务数据进行收敛或交换 处理。
针对需要， 如图 8所示， 是分发处理模块 324的结构示意图， 所述分发处 理模块 324设置有窄带业务用户属性存储模块 3241 , 用于存储用户配置信息， 并根据所述用户配置信息， 将窄带业务数据发送至语音业务分组处理模块 321 或电路仿真业务分组处理模块 322。
针对本发明实施例方案中的窄带业务接口模块 320的设计， 可以采用分离 的部件来构建完成， 也可以采用一片单片的芯片来集成以上功能， 该芯片的至 少具备如下功能：
对外提供数据接口， 可以为双端口备份， 也可以为单端口， 如图 9所示， 是集成后的窄带业务接口模块在系统中的连接示意图。 上述方案中， 在所述协议处理模块 130中可以进行如图 10所示的设置： H.248协议处理模块 131 , 用于处理 H.248协议；
SIP协议处理模块 132， 用于处理 SIP协议；
V5协议处理模块 133 , 用于处理 V5协议；
GR303协议处理模块 134, 用于处理 GR303协议。
通过上述协议处理模块的协议处理， 可以处理各种窄带和宽带的各种协 议， 以保证本发明实施例方案宽窄带业务的顺利实现。
上述方案中， 在主控交换接口模块 10上， 通过宽带业务交换模块 110提 供了数据业务上行接口， 通过窄带业务处理模块 120提供窄带业务上行接口， 宽带上行接口可以采用 GE、 10GE等上行，窄带上行接口为 TDM方式的 E1/E3 , T1/T3, STM-N, SDH等， 窄带协议支持 V5.2或者 GR303等上行。
本发明实施例方案低成本的实现了分布式 VoIP处理以后的窄带上行业务， 不需要在主控交换接口模块 10上实现 VoIP的反向处理； 同时可以采用单芯片 实现的 VoIP + TDMoP的处理， 降低了接口板的复杂度。
如图 11 所示， 是采用本发明实施例综合接入系统进行综合接入的方法流 程示意图， 从图中可见， 该方案针对宽带业务和窄带业务分别进行了不同的接 入处理：
宽带业务数据通过宽带业务接口模块接入， 经宽带总线发送至主控交换接 口模块上的宽带业务交换模块， 由宽带业务交换模块汇聚与交换后， 通过宽带 上行接口发送至网络侧；
窄带业务数据通过窄带业务接口模块接入， 由宽带总线发送至主控交换接 口模块上的宽带业务交换模块， 经宽带业务交换模块汇聚与交换后：
经宽带上行接口发送至网络侧， 或
由窄带业务处理模块进行窄带业务处理， 并经窄带上行接口发送至网络 侧。 ·
上述方案窄带业务数据通过窄带业务接口模块接入过程中，根据接入窄带 业务属性将窄带业务数据分类为需要进行语音业务分组化处理的窄带业务和 需要进行电路仿真业务数据分组化处理的窄带业务。并对相应业务数据进行对 应的处理：
对窄带业务数据进行语音业务分组化处理；
对窄带业务数据进行电路仿真业务数据分组化处理。
显然， 本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发 明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权利要求及 其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种接入系统， 包括提供宽带业务接口的宽带业务接口模块、 提供窄 带业务接口的窄带业务接口模块， 以及主控交换接口模块， 其特征在于， 所述主控交换接口模块，设置有提供宽带上行接口的宽带业务交换模块和 提供窄带上行接口并进行窄带业务数据处理的窄带业务处理模块；
所述宽带业务交换模块与所述宽带业务接口模块通过宽带总线相连，对宽 带业务数据进行处理， 并通过所述宽带上行接口与网络侧通信； '
所述宽带业务交换模块与所述窄带业务接口模块通过所述宽带总线相连， 对窄带业务数据进行处理，通过宽带业务交换模块的宽带上行接口与网络侧通 信； 或经窄带业务处理模块的窄带上行接口与网络侧通信。
2、 如权利要求 1 所述的接入系统， 其特征在于， 所述窄带业务接口模块 进一步包括： 语音业务分组处理模块和电路仿真业务分组处理模块；
所述语音业务分组处理模块对窄带业务数据进行语音业务分组化或去分 组化处理；
所述电路仿真业务分组处理模块对窄带业务数据进行电路仿真业务数据 分组化或去分组化处理。
3、 如权利要求 2所述的接入系统， 其特征在于， 所述窄带业务接口模块 还包括： 分发处理模块和总线接口模块；
所述分发处理模块根椐接入窄带业务属性将窄带业务数据分发至语音业 务分组处理模块或电路仿真业务分组处理模块；
所述总线接口模块与语音业务分组处理模块和电路仿真业务分组处理模 块相连， 提供到宽带业务交换模块的宽带总线接口。
4、 如权利要求 2或 3所述的接入系统， 其特征在于， 所述语音业务分组 处理模块， 为 IP语音业务分组处理模块。
5、 如权利要求 4所述的接入系统， 其特征在于， 所述语音业务分组处理 WO 2008/025256 PCT/CN2007/002SSS 进一步包括：
RTP协议处理模块， 用于对 IP语音业务数据进行 RTP协议处理。
6、 如权利要求 4所述的接入系统， 其特征在于， 所述的语音业务分组处 理模块进一步包括：
语音业务分组 去分组化处理模块， 用于对 ip语音业务数据进行分组化 / 去分组化处理。
7、 如权利要求 2或 3所述的接入系统， 其特征在于，
所述电路仿真业务分组处理模块进一步包括：
第一电路仿真业务分组化 /去分组化处理模块， 用于将发送 /接收的窄带业 务数据分组化 /去分组化处理；
所述窄带业务处理模块设置有：
第二电路仿真业务分组化 /去分组化模块，用于将经宽带业务交换模块发送 /接收的窄带业务数据分组化 /去分组化处理。
8、 如权利要求 7所述的接入系统， 其特征在于， 所述窄带业务数据处理 模块进一步包括：
窄带业务收敛或交换处理模块， 用于对窄带业务数据进行收敛或交换处 理0 -
9、 如权利要求 2或 3所述的接入系统， 其特征在于， 所述电路仿真业务 分组处理模块进一步包括：
CESoPSN协议处理模块， 用于对窄带业务数据进行 CESoPSN协议处理， 或
CESoETH协议处理模块， 用于对窄带业务数据进行 CESoETH协议处理。
10、 如权利要求 3所述的接入系统， 其特征在于， 所述分发处理模块设置 有窄带业务用户属性存储模块， 用于存储窄带用户配置信息，
所述分发处理模块根据所述窄带用户配置信息，将窄带业务数据发送至语 音业务分组处理模块或电路仿真业务分组处理模块。
11、 如权利要求 1所述的接入系统， 其特征在于， 所述的宽带业务总线， 为千兆以太网业务总线、 快速以太网业务总线或万兆以太网业务总线。
12、 一种接入方法， 其特征在于， 包括：
宽带业务数据通过宽带业务接口模块接入， 经宽带总线发送至宽带业务交 换模块， 由宽带业务交换模块处理后， 通过宽带上行接口发送至网络侧；
窄带业务数据通过窄带业务接口模块接入， 由所述宽带总线发送至宽带业 务交换模块， 经宽带业务交换处理后， 经宽带上行接口发送至网络侧， 或
由窄带业务处理模块进行窄带业务处理， 经窄带上行接口发送至网络侧。
13、 如权利要求 12所述的方法， 其特征在于， 窄带业务数据通过窄带业 务接口模块接入过程中，
对窄带业务数据进行语音业务分组化处理； 或
对窄带业务数据进行电路仿真业务数据分组化处理。
14、 如权利要求 13所述的方法， 其特征在于， 还包括：
根据接入窄带业务属性将窄带业务数据分类为需要进行语音业务分组化 处理的窄带业务和需要进行电路仿真业务数据分组化处理的窄带业务。
15、 一种主控交换接口模块， 其特征在于， 包括： 具有宽带上行接口的宽 带业务交换模块和具有窄带上行接口的窄带业务处理模块；
所述宽带业务交换模块： 用于通过宽带总线接收宽带业务数据和窄带业务 数据， 对所述宽带业务数据进行处理后通过所述宽带上行接口发送至网络侧； 所述宽带业务交换模块： 还用于对所述窄带业务数据进行处理， 通过所述 宽带上行接口发送至网络侧； 或将处理后的窄带业务数据发送至所述窄带业务 处理模块；
所述窄带业务处理模块： 用于将所接收到的窄带业务数据处理后通过所述 窄带上行接口发送至网络侧。
16、 一种用户接口板， 其特征在于， 包括： 宽带业务接口板和窄带业务接 口板； 所述宽带业务接口板： 用于接收宽带业务数据， 通过宽带总线发送至宽带 业务交换模块；
所述窄带业务接口板： 用于接收窄带业务数据， 通过所述的宽带总线发送 至所述的宽带业务交换模块。
17、 如权利要求 16所述的用户接口板， 其特征在于， 所述窄带业务接口 板包括： 语音业务分组处理模块和电路仿真业务分组处理模块；
所述语音业务分组处理模块： 用于对窄带业务数据进行语音业务分组化或 去分组化处理；
所述电路仿真业务分组处理模块： 用于对窄带业务数据进行电路仿真业务 数据分组化或去分组化处理。
18、 如权利要求 17所述的用户接口板， 其特征在于， 所述窄带业务接口 板还包括： 分发处理模块和总线接口模块；
所述分发处理模块： 用于根据接入窄带业务属性将窄带业务数据分发至语 音业务分组处理模块或电路仿真业务分组处理模块；
所述总线接口模块与语音业务分组处理模块和电路仿真业务分组处理模 块相连， 用于提供到宽带业务交换模块的宽带总线接口。
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EP2056573A1 (en) 2009-05-06
EP2056573A4 (en) 2009-09-02
CN1909558B (zh) 2010-12-01
US20090141710A1 (en) 2009-06-04
ATE533281T1 (de) 2011-11-15
EP2056573B1 (en) 2011-11-09

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